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Added PASAP entity systems

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This was SVN commit r246.
This commit is contained in:
MarkT 2004-05-21 23:46:16 +00:00
parent 6f2aba631b
commit 6d5afc10ff
90 changed files with 8823 additions and 8423 deletions
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24
source/main.cpp
View File

@ -19,6 +19,10 @@
#include "Renderer.h"
#include "Model.h"
#include "UnitManager.h"
#include "BaseEntityCollection.h"
#include "Entity.h"
#include "EntityHandles.h"
#include "EntityManager.h"
#ifndef NO_GUI
#include "gui/GUI.h"
@ -240,7 +244,7 @@ static void Render()
g_Renderer.SetCamera(g_Camera);
// switch on wireframe for terrain if we want it
g_Renderer.SetTerrainRenderMode(SOLID);
g_Renderer.SetTerrainRenderMode( SOLID );
RenderTerrain();
RenderModels();
@ -310,6 +314,8 @@ void UpdateWorld(float time)
for (uint i=0;i<units.size();++i) {
units[i]->m_Model->Update(time);
}
g_EntityManager.updateAll( time );
}
@ -441,6 +447,12 @@ if(argc < 2)
// the terrain
terr_init();
// This needs to be done after the renderer has loaded all its actors...
new CBaseEntityCollection;
new CEntityManager;
g_EntityTemplateCollection.loadTemplates();
// load a map if we were given one
if (g_MapFile) {
CStr mapfilename("mods/official/maps/scenarios/");
@ -455,6 +467,12 @@ if(argc < 2)
}
}
// Initialize entities
g_EntityManager.dispatchAll( &CMessage( CMessage::EMSG_INIT ) );
PASAPScenario();
#ifndef NO_GUI
in_add_handler(gui_handler);
#endif
@ -472,7 +490,7 @@ in_add_handler(terr_handler);
g_Config.Update();
while(!quit)
{
g_Config.Update();
//g_Config.Update();
allow_reload();
@ -515,6 +533,8 @@ in_add_handler(terr_handler);
#endif
delete &g_Config;
delete &g_EntityManager;
delete &g_EntityTemplateCollection;
return 0;
}

24
source/premake/premake.lua
View File

@ -2,8 +2,8 @@ dofile("functions.lua")
-- Set up the Project
project.name = "prometheus"
project.bindir = "../../../binaries/system"
project.libdir = "../../../binaries/system"
project.bindir = "../../binaries/system"
project.libdir = "../../binaries/system"
-- Start the package part
package = newpackage()
@ -20,22 +20,24 @@ package.config["Release"].target = "ps"
-- Files
package.files = {
-- ps/
{ sourcesfromdirs("../../ps") },
{ sourcesfromdirs("../ps") },
-- simulation/
{ sourcesfromdirs("../simulation") },
-- lib/
{ sourcesfromdirs(
"../../lib",
"../../lib/sysdep",
"../../lib/res") },
"../lib",
"../lib/sysdep",
"../lib/res") },
-- terrain/
{ sourcesfromdirs(
"../../terrain") },
"../terrain") },
-- gui/
{ sourcesfromdirs(
"../../gui") },
"../gui") },
-- main
{ "../../main.cpp" }
{ "../main.cpp" }
}
package.includepaths = { "../../ps", "../../lib", "../../terrain", "../.." }
package.includepaths = { "../ps", "../simulation", "../lib", "../terrain", ".." }
-- Platform Specifics
if (OS == "windows") then
@ -44,7 +46,7 @@ if (OS == "windows") then
"opengl32",
"glu32"
}
tinsert(package.files, sourcesfromdirs("../../lib/sysdep/win"))
tinsert(package.files, sourcesfromdirs("../lib/sysdep/win"))
package.linkoptions = { "/ENTRY:entry" }
package.linkflags = { "static-runtime" }
package.buildflags = { "no-main" }

211
source/ps/BaseEntity.h
View File

@ -1,211 +0,0 @@
// base entity for all the Units and Buildings in the game 0AD
// written by Jacob Ricketts
#if !defined( __0AD_BASE_ENTITY_H_ )
#define __0AD_BASE_ENTITY_H_
#include "ai_common.h"
#include <vector>
#include <iostream>
class DLLExport CBaseEntity
{
public:
CBaseEntity( void ) { Clear(); };
virtual ~CBaseEntity( void ) { };
virtual void Clear( void ) { ClearBaseEntity(); };
//virtual bool Update( void ) = 0;
//virtual bool HandleMessage( const Message &msg ) = 0;
// === ID FUNCTIONS ===
inline
USHORT GetID( void ) { return( m_nID ); };
inline
USHORT GetTeamID( void ) { return( m_byteTeamID ); };
inline
BYTE AddAllies( BYTE bitflagTeams ) { return( m_bitflagAllies |= bitflagTeams ); };
inline
BYTE RemoveAllies( BYTE bitflagTeams ) { return( m_bitflagAllies &= ~bitflagTeams ); };
// === HIT POINT FUNCTIONS ===
inline
virtual USHORT GetHitPoints( void ) { std::cout << "CBaseEntity.GetHitPoints() called..." << endl; return( m_nHitPoints ); };
inline
virtual USHORT GetBaseHitPoints( void ) { return( m_nBaseHitPoints ); };
inline
virtual USHORT GetMaxHitPoints( void ) { return( m_nMaxHitPoints ); };
inline
virtual short GetRegenRate( void ) { return( m_nBaseRegenRate ); };
// === ATTACK STAT FUNCTIONS ===
inline
virtual USHORT GetAttackStrength( void ) { return( m_nBaseAttackStrength ); };
inline
virtual USHORT GetAttackRate( void ) { return( m_nBaseAttackRate ); };
inline
virtual USHORT GetAreaOfEffect( void ) { return( m_nBaseAreaOfEffect ); };
inline
virtual USHORT GetMaxRange( void ) { return( m_nBaseMaxRange ); };
inline
virtual USHORT GetMinRange( void ) { return( m_nBaseMinRange ); };
inline
virtual USHORT GetMeleeArmor( void ) { return( m_nBaseMeleeArmor ); } ;
inline
virtual USHORT GetPierceArmor( void ) { return( m_nBasePierceArmor ); };
// === MISC ATTRIBUTES ===
inline
virtual const std::vector<USHORT>& AvailableToCivs( void ) { return( m_vAvailableToCivs ); };
inline
virtual const Vector3D& GetPosition( void ) { return( m_vPos ); };
inline
virtual bool BoostsMorale( void ) { return( m_bBoostsMorale ); };
inline
virtual bool DemoralizesEnemies( void ) { return( m_bDemoralizesEnemies ); };
inline
virtual USHORT GetActionRate( void ) { return( m_nBaseActionRate ); };
inline
virtual USHORT GetAreaOfInfluence( void ) { return( m_nBaseAreaOfInfluence ); };
inline
virtual USHORT GetLOS( void ) { return( m_nBaseLOS ); };
// === BUILD STATS ===
inline
virtual USHORT GetBuildTime( void ) { return( m_nBuildTime ); };
inline
virtual USHORT GetReqFoodToBuild( void ) { return( m_nFoodReqToBuild ); };
inline
virtual USHORT GetReqGoldToBuild( void ) { return( m_nGoldReqToBuild ); };
inline
virtual USHORT GetReqMetalToBuild( void ) { return( m_nMetalReqToBuild ); };
inline
virtual USHORT GetReqStoneToBuild( void ) { return( m_nStoneReqToBuild ); };
inline
virtual USHORT GetReqWoodToBuild( void ) { return( m_nWoodReqToBuild ); };
inline
virtual const std::vector<USHORT>& GetBuildingsReqToBuild( void ) { return( m_vBuildingsReqToBuild ); };
inline
virtual const std::vector<USHORT>& GetTechsReqToBuild( void ) { return( m_vTechsReqToBuild ); };
// === UPGRADE STATS ===
inline
virtual USHORT UpgradesTo( void ) { return( m_nUpgradesTo ); };
inline
virtual USHORT GetUpgradeTime( void ) { return( m_nUpgradeTime ); };
inline
virtual USHORT GetReqFoodToUpgrade( void ) { return( m_nFoodReqToUpgrade ); };
inline
virtual USHORT GetReqGoldToUpgrade( void ) { return( m_nGoldReqToUpgrade ); };
inline
virtual USHORT GetReqMetalToUpgrade( void ) { return( m_nMetalReqToUpgrade ); };
inline
virtual USHORT GetReqStoneToUpgrade( void ) { return( m_nStoneReqToUpgrade ); };
inline
virtual USHORT GetReqWoodToUpgrade( void ) { return( m_nWoodReqToUpgrade ); };
inline
virtual const std::vector<USHORT>& GetBuildingsReqToUpgrade( void ) { return( m_vBuildingsReqToUpgrade ); };
inline
virtual const std::vector<USHORT>& GetTechsReqToUpgrade( void ) { return( m_vTechsReqToUpgrade ); };
BYTE m_nCurrentFrame;
protected:
void ClearBaseEntity( void );
USHORT m_nID; // ID for this entity
BYTE m_byteTeamID; // ID of the team this entity is on
BYTE m_bitflagAllies; // bitflag to contain the list of allies
std::vector<USHORT> m_vAvailableToCivs; // a list of Civs that can create this entity
// === ATTRIBUTES ===
USHORT m_nHitPoints; // current amount of hit points
USHORT m_nBaseHitPoints; // initial hit points
USHORT m_nMaxHitPoints; // maximum hit points
short m_nBaseRegenRate; // rate of health regeneation
USHORT m_nBaseAttackStrength; // base strength
USHORT m_nBaseAttackRate; // rate of attack
USHORT m_nBaseMinRange; // minimum range of attack
USHORT m_nBaseMaxRange; // maximum range of attack
USHORT m_nBaseActionRate; // rate of actions
USHORT m_nBaseAreaOfEffect; // area of effect
USHORT m_nBaseAreaOfInfluence; // area of influence
USHORT m_nBaseMeleeArmor; // armor rating against melee attacks
USHORT m_nBasePierceArmor; // armor rating against projectile attacks
USHORT m_nBaseLOS; // line of sight distance
USHORT m_nBuildTime; // time required to build
USHORT m_nUpgradeTime; // time required to upgrade
USHORT m_nFoodReqToBuild; // amount of food required to build
USHORT m_nGoldReqToBuild; // amount of gold required to build
USHORT m_nMetalReqToBuild; // amount of metal required to build
USHORT m_nStoneReqToBuild; // amount of stone required to build
USHORT m_nWoodReqToBuild; // amount of wood required to build
std::vector<USHORT> m_vBuildingsReqToBuild; // buildings required to build this entity
std::vector<USHORT> m_vTechsReqToBuild; // techs required to build this entity
USHORT m_nFoodReqToUpgrade; // cost to upgrade (food)
USHORT m_nGoldReqToUpgrade; // cost to upgrade (gold)
USHORT m_nMetalReqToUpgrade; // cost to upgrade (metal)
USHORT m_nStoneReqToUpgrade; // cost to upgrade (stone)
USHORT m_nWoodReqToUpgrade; // cost to upgrade (wood)
std::vector<USHORT> m_vBuildingsReqToUpgrade; // buildings required to upgrade this entity
std::vector<USHORT> m_vTechsReqToUpgrade; // techs required to upgrade this entity
USHORT m_nUpgradesTo; // ID of entity this unit will upgrade to if possible
bool m_bBoostsMorale; // does this entity boost Morale?
bool m_bDemoralizesEnemies; // does this entity demoralize enemy units?
Vector3D m_vPos; // position on the map
private:
};
#endif

14
source/ps/CStr.cpp
View File

@ -398,6 +398,20 @@ ostream &operator<<(ostream &os, CStr &Str)
return os;
}
size_t CStr::GetHashCode() const
{
// FNV-1 hash for 64 bit integers.
size_t hash = 14695981039346656037;
const char* data = m_String.data();
for( int t = 0; t < m_String.length(); t++ )
{
hash *= 1099511628211;
hash ^= *(data++);
}
return( hash );
}
uint CStr::GetSerializedLength() const
{
return uint(m_String.length()+1);

19
source/ps/CStr.h
View File

@ -30,6 +30,8 @@ More Info:
*/
// Last modified: 19 May 04, Mark Thompson (mot20@cam.ac.uk / mark@wildfiregames.com)
#ifndef CSTR_H
#define CSTR_H
@ -177,6 +179,8 @@ public:
inline const char *c_str()
{ return m_String.c_str(); }
size_t GetHashCode() const;
// Serialization functions
virtual uint GetSerializedLength() const;
@ -188,6 +192,21 @@ private:
TCHAR m_ConversionBuffer[CONVERSION_BUFFER_SIZE];
};
class CStr_hash_compare
{
public:
static const size_t bucket_size = 1;
static const size_t min_buckets = 16;
size_t operator()( const CStr& Key ) const
{
return( Key.GetHashCode() );
}
bool operator()( const CStr& _Key1, const CStr& _Key2 ) const
{
return( _Key1 < _Key2 );
}
};
// overloaded operator for ostreams
ostream &operator<<(ostream &os, CStr &Str);

292
source/ps/Entity.cpp
View File

@ -1,292 +0,0 @@
// Last modified: 19 January 2004 (Mark Thompson)
#include "Entity.h"
//--------------------------------------------------------
// CEntity: Entity class
//--------------------------------------------------------
//--------------------------------------------------------
// CEntity::CEntity()
//--------------------------------------------------------
CEntity::CEntity()
{
}
//--------------------------------------------------------
// CEntity::~CEntity()
//--------------------------------------------------------
CEntity::~CEntity()
{
}
//--------------------------------------------------------
// CEntity::Dispatch( CEvent* ev )
//
// Handles the event ev, sent by the scheduler
//--------------------------------------------------------
void CEntity::Dispatch( CEvent* ev )
{
}
//--------------------------------------------------------
// CHandle: Stores entity refcounts, etc.
//--------------------------------------------------------
//--------------------------------------------------------
// CHandle::CHandle()
//--------------------------------------------------------
CHandle::CHandle()
{
ptr = NULL;
refcount = 0;
}
//--------------------------------------------------------
// CHandle::~CHandle()
//--------------------------------------------------------
CHandle::~CHandle()
{
if( refcount )
{
// WARNING: RELEASING LIVE HANDLE!
// TODO: Link this into the new logfile system.
}
delete ptr;
}
//--------------------------------------------------------
// CHandlePool: Tracks entity handles.
//--------------------------------------------------------
//--------------------------------------------------------
// CHandlePool::CHandlePool()
//--------------------------------------------------------
CHandlePool::CHandlePool()
{
for( unsigned short t = 0; t < MAX_HANDLES; t++ )
{
Pool[t].nextfree = t + 1;
}
FreeHandle = 0;
}
//--------------------------------------------------------
// CHandlePool::~CHandlePool()
//--------------------------------------------------------
CHandlePool::~CHandlePool()
{
//Terminating, clearing remaining handles...
}
//--------------------------------------------------------
// CHandlePool::Assign( CEntity* ptr )
//--------------------------------------------------------
HEntity CHandlePool::Assign( CEntity* ptr )
{
assert( FreeHandle != BAD_HANDLE );
unsigned short i = FreeHandle;
ptr->Handle = HEntityWeak( i );
FreeHandle = Pool[i].nextfree;
Pool[i].ptr = ptr;
return HEntity( i );
}
//--------------------------------------------------------
// CHandlePool::Destroy( unsigned short index )
//--------------------------------------------------------
void CHandlePool::Destroy( unsigned short index )
{
//Garbage collection
delete Pool[index].ptr;
Pool[index].nextfree = FreeHandle;
Pool[index].refcount = 0;
FreeHandle = index;
}
//--------------------------------------------------------
// HEntity: Refcounted handle to entities.
//--------------------------------------------------------
//--------------------------------------------------------
// HEntity::HEntity()
//--------------------------------------------------------
HEntity::HEntity()
{
index = BAD_HANDLE;
}
//--------------------------------------------------------
// HEntity::HEntity( unsigned short index )
//--------------------------------------------------------
HEntity::HEntity( unsigned short _index )
{
index = _index;
AddRef();
}
//--------------------------------------------------------
// HEntity::HEntity( const HEntity& copy )
//--------------------------------------------------------
HEntity::HEntity( const HEntity& copy )
{
index = copy.index;
AddRef();
}
//--------------------------------------------------------
// HEntity::HEntity( const HEntityWeak& copy )
//--------------------------------------------------------
HEntity::HEntity( const HEntityWeak& copy )
{
index = copy.index;
AddRef();
}
//--------------------------------------------------------
// HEntity::AddRef()
//
// Increments reference count
//--------------------------------------------------------
void HEntity::AddRef()
{
if( index == BAD_HANDLE ) return;
g_HandlePool.Pool[index].refcount++;
}
//--------------------------------------------------------
// HEntity::DecRef()
//
// Decrements reference count
//--------------------------------------------------------
void HEntity::DecRef()
{
if( index == BAD_HANDLE ) return;
if( !g_HandlePool.Pool[index].refcount ) return;
if( --g_HandlePool.Pool[index].refcount == 0 )
g_HandlePool.Destroy( index );
}
//--------------------------------------------------------
// HEntity::operator=( const HEntity& copy )
//--------------------------------------------------------
void HEntity::operator=( const HEntity& copy )
{
DecRef();
index = copy.index;
AddRef();
}
//--------------------------------------------------------
// HEntity::operator=( const HEntityWeak& copy )
//--------------------------------------------------------
void HEntity::operator=( const HEntityWeak& copy )
{
DecRef();
index = copy.index;
AddRef();
}
//--------------------------------------------------------
// HEntity::operator*()
//--------------------------------------------------------
CEntity& HEntity::operator*()
{
assert( index != BAD_HANDLE );
assert( g_HandlePool.Pool[index].ptr );
return( *g_HandlePool.Pool[index].ptr );
}
//--------------------------------------------------------
// HEntity: operator->()
//--------------------------------------------------------
CEntity* HEntity::operator->()
{
assert( index != BAD_HANDLE );
assert( g_HandlePool.Pool[index].ptr );
return( g_HandlePool.Pool[index].ptr );
}
//--------------------------------------------------------
// HEntity::~HEntity()
//--------------------------------------------------------
HEntity::~HEntity()
{
DecRef();
}
//--------------------------------------------------------
// HEntityWeak: Like HEntity, but it isn't refcounted.
// used mainly to hold references-to-self.
// It's slightly faster, and automatically
// converts to a safe HEntity when needed.
//--------------------------------------------------------
//--------------------------------------------------------
// HEntityWeak::HEntityWeak()
//--------------------------------------------------------
HEntityWeak::HEntityWeak()
{
index = BAD_HANDLE;
}
//--------------------------------------------------------
// HEntityWeak::HEntityWeak( unsigned short _index )
//--------------------------------------------------------
HEntityWeak::HEntityWeak( unsigned short _index )
{
index = _index;
}
//--------------------------------------------------------
// HEntityWeak::operator*()
//--------------------------------------------------------
CEntity& HEntityWeak::operator*()
{
assert( index != BAD_HANDLE );
assert( g_HandlePool.Pool[index].ptr );
return( *g_HandlePool.Pool[index].ptr );
}
//--------------------------------------------------------
// HEntityWeak::operator->()
//--------------------------------------------------------
CEntity* HEntityWeak::operator->()
{
assert( index != BAD_HANDLE );
assert( g_HandlePool.Pool[index].ptr );
return( g_HandlePool.Pool[index].ptr );
}
//--------------------------------------------------------
// HEntityWeak::operator HEntity()
//--------------------------------------------------------
HEntityWeak::operator HEntity()
{
return HEntity( index );
}

138
source/ps/Entity.h
View File

@ -1,138 +0,0 @@
/*
Entity.h
Entities and associated classes
Mark Thompson (markt@0ad.wildfiregames.com)
Last modified: 19 January 2004 (Mark Thompson)
--Overview--
Contains the class definitions for entities, netsafe entity handles, handle manager
--Usage--
TODO
--Examples--
TODO
--More info--
TDD at http://forums.wildfiregames.com/0ad
*/
#ifndef ENTITY_INCLUDED
#define ENTITY_INCLUDED
#include "assert.h"
#include "stdio.h"
#include "Singleton.h"
#include "Event.h"
// Handle defines
#define MAX_HANDLES 8192
#define BAD_HANDLE MAX_HANDLES
#define NULL 0
typedef unsigned long DWORD;
// Forward-declarations
class CHandlePool;
class CEntity;
class HEntity;
class HEntityWeak;
// HEntityWeak: Weak (non-refcounted) smart pointer
class HEntityWeak
{
friend class CHandlePool;
friend class HEntity;
private:
unsigned short index;
HEntityWeak( unsigned short index );
public:
HEntityWeak();
CEntity& operator*();
CEntity* operator->();
operator HEntity();
};
// CEntity: Entity class
class CEntity
{
friend class CHandlePool;
private:
HEntityWeak Handle; // Reference to self, to include in messages, etc.
// Weak handle isn't refcounted, but is as soon
// as it gets passed out of this class.
public:
CEntity();
~CEntity();
void Dispatch( CEvent* ev );
};
// CHandle: Entity handles, used by manager class
class CHandle
{
friend class CHandlePool;
friend class HEntity;
friend class HEntityWeak;
private:
CEntity* ptr;
unsigned short refcount;
unsigned short nextfree; //Linked list for free handles
CHandle();
~CHandle();
};
// HEntity: Entity smart pointer
class HEntity
{
friend class CHandlePool;
friend class HEntityWeak;
private:
unsigned short index;
HEntity( unsigned short index );
void AddRef();
void DecRef();
public:
CEntity& operator*();
CEntity* operator->();
HEntity();
HEntity( const HEntity& copy );
HEntity( const HEntityWeak& copy );
void operator=( const HEntity& copy );
void operator=( const HEntityWeak& copy );
~HEntity();
};
// CHandlePool: Tracks entity handles
#define g_HandlePool CHandlePool::GetSingleton()
class CHandlePool : public Singleton<CHandlePool>
{
friend class HEntity;
friend class HEntityWeak;
private:
unsigned short FreeHandle;
CHandle Pool[MAX_HANDLES];
public:
CHandlePool();
~CHandlePool();
HEntity Assign( CEntity* ptr );
HEntity Create() { return Assign( new CEntity ); };
void Destroy( unsigned short index );
};
#endif // !defined( ENTITY_INCLUDED )

0
source/ps/Event.cpp
View File

46
source/ps/Event.h
View File

@ -1,46 +0,0 @@
/*
Event.h
Game event (scheduled messages) definitions
Mark Thompson (markt@0ad.wildfiregames.com)
Last modified: 19 January 2004 (Mark Thompson)
--Overview--
Contains the class definitions for serializable event messages.
--Usage--
TODO
--Examples--
TODO
--More info--
TDD at http://forums.wildfiregames.com/0ad
*/
#ifndef EVENT_INCLUDED
#define EVENT_INCLUDED
#include "assert.h"
#include "stdio.h"
#include "Network/Serialization.h"
#include "Entity.h"
#include "Network/NetMessage.h"
class CEvent : public CNetMessage
{
public:
virtual uint GetSerializedLength() = 0;
virtual u8* Serialize( u8* buffer ) = 0;
};
#endif // EVENT_INCLUDED

59
source/ps/EventTypes.h
View File

@ -1,59 +0,0 @@
/*
Net Message Creator registration
*/
#ifdef CREATING_NMT
//HACKA HACKA HACKA HACKA HACKA HACK...
#ifdef NMT_CREATOR_PASS_CLASSDEF
/*
The Event classes;
Adding an event currently requires four steps.
One, create the event class within the NMT_CREATOR_PASS_CLASSDEF
ifdef. The classEvent macro will help.
Two, assign an message type in NetMessage.h.
Three, provide a deserializer function mapping in the
NMT_CREATOR_PASS_REGISTRATION ifdef, below.
Four, implement the interface ISerializable for the new class in
Event.cpp.
*/
#define classEvent( _ev ) \
struct CEvent##_ev : public CEvent \
{ \
public: \
uint GetSerializedLength(); \
u8* Serialize( u8* buffer ); \
static CNetMessage* Deserialize( const u8* buffer, \
uint length );
/*
classEvent( TestOnly )
int16 TheIntegerIveGot;
};
*/
#endif
#ifdef NMT_CREATOR_PASS_REGISTRATION
/*
{ NMT_Event_IveGotAnInteger, CEventTestOnly::Deserialize },
*/
#endif
#endif

204
source/ps/NPFont.cpp
View File

@ -1,102 +1,102 @@
#include "NPFont.h"
NPFont::NPFont()
{
}
NPFont::~NPFont()
{
}
NPFont* NPFont::create(const char* name)
{
// try and open up the file
FILE* fp=fopen(name,"rb");
if (!fp) return 0;
// create a new font
NPFont* font=new NPFont;
// read text metrics
if (fread(&font->_metrics,sizeof(font->_metrics),1,fp)!=1) {
fclose(fp);
delete font;
return 0;
}
// read characters
if (fread(font->_chars,sizeof(CharData)*128,1,fp)!=1) {
fclose(fp);
delete font;
return 0;
}
// read number of rows, cols of characters
if (fread(&font->_numRows,sizeof(font->_numRows),1,fp)!=1) {
fclose(fp);
delete font;
return 0;
}
if (fread(&font->_numCols,sizeof(font->_numCols),1,fp)!=1) {
fclose(fp);
delete font;
return 0;
}
// read texture dimensions
if (fread(&font->_texwidth,sizeof(font->_texwidth),1,fp)!=1) {
fclose(fp);
delete font;
return 0;
}
if (fread(&font->_texheight,sizeof(font->_texheight),1,fp)!=1) {
fclose(fp);
delete font;
return 0;
}
// read texture name
unsigned int namelen;
if (fread(&namelen,sizeof(unsigned int),1,fp)!=1) {
fclose(fp);
delete font;
return 0;
}
CStr texname("gui/fonts/");
for (uint i=0;i<namelen;i++) {
char c;
if (fread(&c,sizeof(char),1,fp)!=1) {
fclose(fp);
delete font;
return 0;
}
texname+=c;
}
font->_texture.SetName((const char*) texname);
// store font name
font->_name=name;
// return created font
return font;
}
// GetOutputStringSize: return the rendered size of given font
void NPFont::GetOutputStringSize(const char* str,int& sx,int& sy)
{
sx=0;
sy=_metrics._height;
int i=0;
while (str && str[i]!='\0') {
const NPFont::CharData& cdata=chardata(str[i]);
const int* cw=&cdata._widthA;
if (cw[0]>0) sx+=cw[0];
sx+=cw[1]+1;
if (cw[2]>0) sx+=cw[2];
i++;
}
}
#include "NPFont.h"
NPFont::NPFont()
{
}
NPFont::~NPFont()
{
}
NPFont* NPFont::create(const char* name)
{
// try and open up the file
FILE* fp=fopen(name,"rb");
if (!fp) return 0;
// create a new font
NPFont* font=new NPFont;
// read text metrics
if (fread(&font->_metrics,sizeof(font->_metrics),1,fp)!=1) {
fclose(fp);
delete font;
return 0;
}
// read characters
if (fread(font->_chars,sizeof(CharData)*128,1,fp)!=1) {
fclose(fp);
delete font;
return 0;
}
// read number of rows, cols of characters
if (fread(&font->_numRows,sizeof(font->_numRows),1,fp)!=1) {
fclose(fp);
delete font;
return 0;
}
if (fread(&font->_numCols,sizeof(font->_numCols),1,fp)!=1) {
fclose(fp);
delete font;
return 0;
}
// read texture dimensions
if (fread(&font->_texwidth,sizeof(font->_texwidth),1,fp)!=1) {
fclose(fp);
delete font;
return 0;
}
if (fread(&font->_texheight,sizeof(font->_texheight),1,fp)!=1) {
fclose(fp);
delete font;
return 0;
}
// read texture name
unsigned int namelen;
if (fread(&namelen,sizeof(unsigned int),1,fp)!=1) {
fclose(fp);
delete font;
return 0;
}
CStr texname("gui/fonts/");
for (uint i=0;i<namelen;i++) {
char c;
if (fread(&c,sizeof(char),1,fp)!=1) {
fclose(fp);
delete font;
return 0;
}
texname+=c;
}
font->_texture.SetName((const char*) texname);
// store font name
font->_name=name;
// return created font
return font;
}
// GetOutputStringSize: return the rendered size of given font
void NPFont::GetOutputStringSize(const char* str,int& sx,int& sy)
{
sx=0;
sy=_metrics._height;
int i=0;
while (str && str[i]!='\0') {
const NPFont::CharData& cdata=chardata(str[i]);
const int* cw=&cdata._widthA;
if (cw[0]>0) sx+=cw[0];
sx+=cw[1]+1;
if (cw[2]>0) sx+=cw[2];
i++;
}
}

160
source/ps/NPFont.h
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@ -1,80 +1,80 @@
#ifndef _NPFONT_H
#define _NPFONT_H
// necessary includes
#include "CStr.h"
#include "terrain/Texture.h"
/////////////////////////////////////////////////////////////////////////////////////////
// NPFont:
class NPFont
{
public:
struct CharData {
int _width; // total width in pixels
int _widthA,_widthB,_widthC; // ABC widths
};
public:
// create - create font from given font file
static NPFont* create(const char* fontfilename);
// destructor
~NPFont();
// accessor for name (font file name)
const char* name() const { return (const char*) _name; }
// accessors for font metrics
int width(int c) const { assert(c>=0 && c<128); return _chars[c]._width; }
int height() const { return _metrics._height; }
int descent() const { return _metrics._descent; }
int maxcharwidth() const { return _metrics._maxcharwidth; }
// accessors for texture data
int textureWidth() const { return _texwidth; }
int textureHeight() const { return _texheight; }
CTexture& texture() { return _texture; }
int numCols() const { return _numCols; }
int numRows() const { return _numRows; }
// accessor for character data
const CharData& chardata(char c) const {
assert(c>=0 && c<128);
return _chars[c];
}
void GetOutputStringSize(const char* str,int& sx,int& sy);
private:
// constructor (private - all fonts created through create())
NPFont();
// font name
CStr _name;
// font texture width
int _texwidth;
// font texture height
int _texheight;
// font texture
CTexture _texture;
// font metrics
struct {
int _height;
int _descent;
int _maxcharwidth;
} _metrics;
// number of rows of characters
int _numRows;
// number of columns of characters
int _numCols;
// details about specific characters in this font
CharData _chars[128];
};
/////////////////////////////////////////////////////////////////////////////////////////
#endif
#ifndef _NPFONT_H
#define _NPFONT_H
// necessary includes
#include "CStr.h"
#include "terrain/Texture.h"
/////////////////////////////////////////////////////////////////////////////////////////
// NPFont:
class NPFont
{
public:
struct CharData {
int _width; // total width in pixels
int _widthA,_widthB,_widthC; // ABC widths
};
public:
// create - create font from given font file
static NPFont* create(const char* fontfilename);
// destructor
~NPFont();
// accessor for name (font file name)
const char* name() const { return (const char*) _name; }
// accessors for font metrics
int width(int c) const { assert(c>=0 && c<128); return _chars[c]._width; }
int height() const { return _metrics._height; }
int descent() const { return _metrics._descent; }
int maxcharwidth() const { return _metrics._maxcharwidth; }
// accessors for texture data
int textureWidth() const { return _texwidth; }
int textureHeight() const { return _texheight; }
CTexture& texture() { return _texture; }
int numCols() const { return _numCols; }
int numRows() const { return _numRows; }
// accessor for character data
const CharData& chardata(char c) const {
assert(c>=0 && c<128);
return _chars[c];
}
void GetOutputStringSize(const char* str,int& sx,int& sy);
private:
// constructor (private - all fonts created through create())
NPFont();
// font name
CStr _name;
// font texture width
int _texwidth;
// font texture height
int _texheight;
// font texture
CTexture _texture;
// font metrics
struct {
int _height;
int _descent;
int _maxcharwidth;
} _metrics;
// number of rows of characters
int _numRows;
// number of columns of characters
int _numCols;
// details about specific characters in this font
CharData _chars[128];
};
/////////////////////////////////////////////////////////////////////////////////////////
#endif

204
source/ps/NPFontManager.cpp
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@ -1,102 +1,102 @@
#include "NPFontManager.h"
#include "NPFont.h"
#include <algorithm>
// the sole instance of the NPFontManager
NPFontManager* NPFontManager::_instance=0;
///////////////////////////////////////////////////////////////////////////////
// instance: return the sole font manager instance
NPFontManager& NPFontManager::instance()
{
if (!_instance) {
_instance=new NPFontManager;
}
return *_instance;
}
///////////////////////////////////////////////////////////////////////////////
// NPFontManager constructor (hidden); access available only through instance()
NPFontManager::NPFontManager()
{
}
///////////////////////////////////////////////////////////////////////////////
// NPFontManager destructor
NPFontManager::~NPFontManager()
{
// delete all collected fonts
for (uint i=0;i<_fonts.size();++i) {
delete _fonts[i];
}
}
///////////////////////////////////////////////////////////////////////////////
// release this font manager
void NPFontManager::release()
{
if (_instance) {
delete _instance;
_instance=0;
}
}
///////////////////////////////////////////////////////////////////////////////
// add a font; return the created font, or 0 if not found
NPFont* NPFontManager::add(const char* name)
{
// try and find font first
NPFont* font=find(name);
if (font) {
// ok - already got this font, return it
return font;
}
// try and create font
font=NPFont::create(name);
if (font) {
// success - add to list
_fonts.push_back(font);
return font;
} else {
// mark as bad? just return failure for the moment
return 0;
}
}
///////////////////////////////////////////////////////////////////////////////
// remove a font
bool NPFontManager::remove(const char* name)
{
// try and find font first
NPFont* font=find(name);
if (!font) {
// font not present ..
return false;
} else {
typedef std::vector<NPFont*>::iterator Iter;
Iter iter=std::find(_fonts.begin(),_fonts.end(),font);
assert(iter != _fonts.end());
_fonts.erase(iter);
}
return true;
}
///////////////////////////////////////////////////////////////////////////////
// find a font (return 0 if not found)
NPFont* NPFontManager::find(const char* name)
{
// scan through font list checking names
for (uint i=0;i<_fonts.size();++i) {
NPFont* font=_fonts[i];
if (strcmp(name,font->name())==0) {
return font;
}
}
// got this far, font not found
return 0;
}
#include "NPFontManager.h"
#include "NPFont.h"
#include <algorithm>
// the sole instance of the NPFontManager
NPFontManager* NPFontManager::_instance=0;
///////////////////////////////////////////////////////////////////////////////
// instance: return the sole font manager instance
NPFontManager& NPFontManager::instance()
{
if (!_instance) {
_instance=new NPFontManager;
}
return *_instance;
}
///////////////////////////////////////////////////////////////////////////////
// NPFontManager constructor (hidden); access available only through instance()
NPFontManager::NPFontManager()
{
}
///////////////////////////////////////////////////////////////////////////////
// NPFontManager destructor
NPFontManager::~NPFontManager()
{
// delete all collected fonts
for (uint i=0;i<_fonts.size();++i) {
delete _fonts[i];
}
}
///////////////////////////////////////////////////////////////////////////////
// release this font manager
void NPFontManager::release()
{
if (_instance) {
delete _instance;
_instance=0;
}
}
///////////////////////////////////////////////////////////////////////////////
// add a font; return the created font, or 0 if not found
NPFont* NPFontManager::add(const char* name)
{
// try and find font first
NPFont* font=find(name);
if (font) {
// ok - already got this font, return it
return font;
}
// try and create font
font=NPFont::create(name);
if (font) {
// success - add to list
_fonts.push_back(font);
return font;
} else {
// mark as bad? just return failure for the moment
return 0;
}
}
///////////////////////////////////////////////////////////////////////////////
// remove a font
bool NPFontManager::remove(const char* name)
{
// try and find font first
NPFont* font=find(name);
if (!font) {
// font not present ..
return false;
} else {
typedef std::vector<NPFont*>::iterator Iter;
Iter iter=std::find(_fonts.begin(),_fonts.end(),font);
assert(iter != _fonts.end());
_fonts.erase(iter);
}
return true;
}
///////////////////////////////////////////////////////////////////////////////
// find a font (return 0 if not found)
NPFont* NPFontManager::find(const char* name)
{
// scan through font list checking names
for (uint i=0;i<_fonts.size();++i) {
NPFont* font=_fonts[i];
if (strcmp(name,font->name())==0) {
return font;
}
}
// got this far, font not found
return 0;
}

78
source/ps/NPFontManager.h
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@ -1,39 +1,39 @@
#ifndef _FONTMANAGER_H
#define _FONTMANAGER_H
// necessary includes
#include <vector>
// necessary declaration
class NPFont;
class NPFontManager
{
public:
// accessor; return the font manager
static NPFontManager& instance();
// release this font manager
static void release();
// destructor
~NPFontManager();
// add a font; return the created font, or 0 if not found
NPFont* add(const char* name);
// remove a font
bool remove(const char* name);
// find a font (return 0 if not found)
NPFont* find(const char* name);
private:
// hidden constructor; access available only through instance()
NPFontManager();
// list of recorded fonts
std::vector<NPFont*> _fonts;
// the sole instance of the FontManager
static NPFontManager* _instance;
};
#endif
#ifndef _FONTMANAGER_H
#define _FONTMANAGER_H
// necessary includes
#include <vector>
// necessary declaration
class NPFont;
class NPFontManager
{
public:
// accessor; return the font manager
static NPFontManager& instance();
// release this font manager
static void release();
// destructor
~NPFontManager();
// add a font; return the created font, or 0 if not found
NPFont* add(const char* name);
// remove a font
bool remove(const char* name);
// find a font (return 0 if not found)
NPFont* find(const char* name);
private:
// hidden constructor; access available only through instance()
NPFontManager();
// list of recorded fonts
std::vector<NPFont*> _fonts;
// the sole instance of the FontManager
static NPFontManager* _instance;
};
#endif

44
source/ps/Overlay.cpp
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@ -1,23 +1,23 @@
/*
COverlay
by Rich Cross
rich@0ad.wildfiregames.com
*/
#include "Overlay.h"
COverlay::COverlay()
: m_Rect(CRect(0,0,0,0)), m_Z(0), m_Color(CColor(0,0,0,0)), m_Texture(""), m_HasBorder(false), m_BorderColor(CColor(0,0,0,0))
{
}
COverlay::COverlay(const CRect& rect,int z,const CColor& color,const char* texturename,
bool hasBorder,const CColor& bordercolor)
: m_Rect(rect), m_Z(z), m_Color(color), m_Texture(texturename), m_HasBorder(hasBorder), m_BorderColor(bordercolor)
{
}
COverlay::~COverlay()
{
/*
COverlay
by Rich Cross
rich@0ad.wildfiregames.com
*/
#include "Overlay.h"
COverlay::COverlay()
: m_Rect(CRect(0,0,0,0)), m_Z(0), m_Color(CColor(0,0,0,0)), m_Texture(""), m_HasBorder(false), m_BorderColor(CColor(0,0,0,0))
{
}
COverlay::COverlay(const CRect& rect,int z,const CColor& color,const char* texturename,
bool hasBorder,const CColor& bordercolor)
: m_Rect(rect), m_Z(z), m_Color(color), m_Texture(texturename), m_HasBorder(hasBorder), m_BorderColor(bordercolor)
{
}
COverlay::~COverlay()
{
}

282
source/ps/Overlay.h
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@ -1,142 +1,142 @@
/*
COverlay
by Rich Cross, rich@0ad.wildfiregames.com
--Overview--
Class representing 2D screen overlays; includes functionality for overlay
position, color, texture and borders.
*/
#ifndef COVERLAY_H
#define COVERLAY_H
struct CColor
{
CColor() {}
CColor(float cr,float cg,float cb,float ca) : r(cr), g(cg), b(cb), a(ca) {}
float r, g, b, a;
};
// yuck - MFC already defines a CRect class...
#define CRect PS_CRect
struct CRect
{
CRect() {}
CRect(int _l, int _t, int _r, int _b) :
left(_l),
top(_t),
right(_r),
bottom(_b) {}
int bottom, top, left, right;
bool operator ==(const CRect &rect) const
{
return (bottom==rect.bottom) &&
(top==rect.top) &&
(left==rect.left) &&
(right==rect.right);
}
bool operator !=(const CRect &rect) const
{
return !(*this==rect);
}
};
//--------------------------------------------------------
// Includes / Compiler directives
//--------------------------------------------------------
#include "terrain/Texture.h"
//--------------------------------------------------------
// Macros
//--------------------------------------------------------
//--------------------------------------------------------
// Types
//--------------------------------------------------------
//--------------------------------------------------------
// Error declarations
//--------------------------------------------------------
//--------------------------------------------------------
// Declarations
//--------------------------------------------------------
/**
* @author Rich Cross
*
* Overlay class definition.
*/
class COverlay
{
public:
/**
* Default constructor; creates an overlay that won't actually be renderable
*/
COverlay();
/**
* Constructor with setup for more common parameters
*/
COverlay(const CRect& rect,int z,const CColor& color,const char* texturename="",bool hasBorder=false,
const CColor& bordercolor=CColor(0,0,0,0));
/**
* Destructor
*/
~COverlay();
/**
* Get coordinates
*/
const CRect& GetRect() const { return m_Rect; }
/**
* Get depth
*/
int GetZ() const { return m_Z; }
/**
* Get texture (not const as Renderer need to modify texture to store handle)
*/
CTexture& GetTexture() { return m_Texture; }
/**
* Get color
*/
const CColor& GetColor() const { return m_Color; }
/**
* Get border flag
*/
bool HasBorder() const { return m_HasBorder; }
/**
* Get border color
*/
const CColor& GetBorderColor() const { return m_BorderColor; }
private:
/// screen space coordinates of overlay
CRect m_Rect;
/// depth of overlay, for correctly overlapping overlays; higher z implies in-front-of behaviour
int m_Z;
/// texture to use in rendering overlay; can be a null texture
CTexture m_Texture;
/// overlay color
CColor m_Color;
// flag indicating whether to render overlay using a border
bool m_HasBorder;
/// border color
CColor m_BorderColor;
};
/*
COverlay
by Rich Cross, rich@0ad.wildfiregames.com
--Overview--
Class representing 2D screen overlays; includes functionality for overlay
position, color, texture and borders.
*/
#ifndef COVERLAY_H
#define COVERLAY_H
struct CColor
{
CColor() {}
CColor(float cr,float cg,float cb,float ca) : r(cr), g(cg), b(cb), a(ca) {}
float r, g, b, a;
};
// yuck - MFC already defines a CRect class...
#define CRect PS_CRect
struct CRect
{
CRect() {}
CRect(int _l, int _t, int _r, int _b) :
left(_l),
top(_t),
right(_r),
bottom(_b) {}
int bottom, top, left, right;
bool operator ==(const CRect &rect) const
{
return (bottom==rect.bottom) &&
(top==rect.top) &&
(left==rect.left) &&
(right==rect.right);
}
bool operator !=(const CRect &rect) const
{
return !(*this==rect);
}
};
//--------------------------------------------------------
// Includes / Compiler directives
//--------------------------------------------------------
#include "terrain/Texture.h"
//--------------------------------------------------------
// Macros
//--------------------------------------------------------
//--------------------------------------------------------
// Types
//--------------------------------------------------------
//--------------------------------------------------------
// Error declarations
//--------------------------------------------------------
//--------------------------------------------------------
// Declarations
//--------------------------------------------------------
/**
* @author Rich Cross
*
* Overlay class definition.
*/
class COverlay
{
public:
/**
* Default constructor; creates an overlay that won't actually be renderable
*/
COverlay();
/**
* Constructor with setup for more common parameters
*/
COverlay(const CRect& rect,int z,const CColor& color,const char* texturename="",bool hasBorder=false,
const CColor& bordercolor=CColor(0,0,0,0));
/**
* Destructor
*/
~COverlay();
/**
* Get coordinates
*/
const CRect& GetRect() const { return m_Rect; }
/**
* Get depth
*/
int GetZ() const { return m_Z; }
/**
* Get texture (not const as Renderer need to modify texture to store handle)
*/
CTexture& GetTexture() { return m_Texture; }
/**
* Get color
*/
const CColor& GetColor() const { return m_Color; }
/**
* Get border flag
*/
bool HasBorder() const { return m_HasBorder; }
/**
* Get border color
*/
const CColor& GetBorderColor() const { return m_BorderColor; }
private:
/// screen space coordinates of overlay
CRect m_Rect;
/// depth of overlay, for correctly overlapping overlays; higher z implies in-front-of behaviour
int m_Z;
/// texture to use in rendering overlay; can be a null texture
CTexture m_Texture;
/// overlay color
CColor m_Color;
// flag indicating whether to render overlay using a border
bool m_HasBorder;
/// border color
CColor m_BorderColor;
};
#endif

64
source/ps/OverlayText.cpp
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@ -1,32 +1,32 @@
/*
COverlayText
by Rich Cross
rich@0ad.wildfiregames.com
*/
#include "OverlayText.h"
#include "NPFont.h"
#include "NPFontManager.h"
COverlayText::COverlayText()
: m_X(0), m_Y(0), m_Z(0), m_Color(CColor(0,0,0,0)), m_Font(0), m_String("")
{
}
COverlayText::COverlayText(float x,float y,int z,const char* fontname,const char* string,const CColor& color)
: m_X(x), m_Y(y), m_Z(z), m_String(string), m_Color(color)
{
m_Font=NPFontManager::instance().add(fontname);
}
COverlayText::~COverlayText()
{
}
bool COverlayText::GetOutputStringSize(int& sx,int& sy)
{
if (!m_Font) return false;
m_Font->GetOutputStringSize((const char*) m_String,sx,sy);
return true;
}
/*
COverlayText
by Rich Cross
rich@0ad.wildfiregames.com
*/
#include "OverlayText.h"
#include "NPFont.h"
#include "NPFontManager.h"
COverlayText::COverlayText()
: m_X(0), m_Y(0), m_Z(0), m_Color(CColor(0,0,0,0)), m_Font(0), m_String("")
{
}
COverlayText::COverlayText(float x,float y,int z,const char* fontname,const char* string,const CColor& color)
: m_X(x), m_Y(y), m_Z(z), m_String(string), m_Color(color)
{
m_Font=NPFontManager::instance().add(fontname);
}
COverlayText::~COverlayText()
{
}
bool COverlayText::GetOutputStringSize(int& sx,int& sy)
{
if (!m_Font) return false;
m_Font->GetOutputStringSize((const char*) m_String,sx,sy);
return true;
}

216
source/ps/OverlayText.h
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@ -1,108 +1,108 @@
/*
COverlayText
by Rich Cross, rich@0ad.wildfiregames.com
--Overview--
Class representing 2D screen text overlay
*/
#ifndef COVERLAYTEXT_H
#define COVERLAYTEXT_H
//--------------------------------------------------------
// Includes / Compiler directives
//--------------------------------------------------------
#include "terrain/Texture.h"
#include "Overlay.h" // just for CColor at the mo
//--------------------------------------------------------
// Macros
//--------------------------------------------------------
//--------------------------------------------------------
// Types
//--------------------------------------------------------
//--------------------------------------------------------
// Error declarations
//--------------------------------------------------------
//--------------------------------------------------------
// Declarations
//--------------------------------------------------------
class NPFont;
/**
* @author Rich Cross
*
* OverlayText class definition.
*/
class COverlayText
{
public:
/**
* Default constructor; creates an overlay text object that won't actually be renderable
*/
COverlayText();
/**
* Constructor with setup for more common parameters
*/
COverlayText(float x,float y,int z,const char* fontname,const char* string,const CColor& color);
/**
* Destructor
*/
~COverlayText();
/**
* Get position
*/
void GetPosition(float& x,float& y) {
x=m_X;
y=m_Y;
}
/**
* Get depth
*/
int GetZ() const { return m_Z; }
/**
* Get font (not const as Renderer need to modify texture to store handle)
*/
NPFont* GetFont() { return m_Font; }
/**
* Get string to render
*/
const CStr& GetString() const { return m_String; }
/**
* Get color
*/
const CColor& GetColor() const { return m_Color; }
/**
* Get size of this string when rendered; return false if font is invalid and string size cannot
* actually by determined, or true on success
*/
bool GetOutputStringSize(int& sx,int& sy);
private:
/// coordinates to start rendering string
float m_X,m_Y;
/// depth of overlay text, for correctly overlapping overlays; higher z implies in-front-of behaviour
int m_Z;
/// text color
CColor m_Color;
/// pointer to the font to use in rendering out text; not owned by the overlay, never attempt to delete
NPFont* m_Font;
/// actual text string
CStr m_String;
};
#endif
/*
COverlayText
by Rich Cross, rich@0ad.wildfiregames.com
--Overview--
Class representing 2D screen text overlay
*/
#ifndef COVERLAYTEXT_H
#define COVERLAYTEXT_H
//--------------------------------------------------------
// Includes / Compiler directives
//--------------------------------------------------------
#include "terrain/Texture.h"
#include "Overlay.h" // just for CColor at the mo
//--------------------------------------------------------
// Macros
//--------------------------------------------------------
//--------------------------------------------------------
// Types
//--------------------------------------------------------
//--------------------------------------------------------
// Error declarations
//--------------------------------------------------------
//--------------------------------------------------------
// Declarations
//--------------------------------------------------------
class NPFont;
/**
* @author Rich Cross
*
* OverlayText class definition.
*/
class COverlayText
{
public:
/**
* Default constructor; creates an overlay text object that won't actually be renderable
*/
COverlayText();
/**
* Constructor with setup for more common parameters
*/
COverlayText(float x,float y,int z,const char* fontname,const char* string,const CColor& color);
/**
* Destructor
*/
~COverlayText();
/**
* Get position
*/
void GetPosition(float& x,float& y) {
x=m_X;
y=m_Y;
}
/**
* Get depth
*/
int GetZ() const { return m_Z; }
/**
* Get font (not const as Renderer need to modify texture to store handle)
*/
NPFont* GetFont() { return m_Font; }
/**
* Get string to render
*/
const CStr& GetString() const { return m_String; }
/**
* Get color
*/
const CColor& GetColor() const { return m_Color; }
/**
* Get size of this string when rendered; return false if font is invalid and string size cannot
* actually by determined, or true on success
*/
bool GetOutputStringSize(int& sx,int& sy);
private:
/// coordinates to start rendering string
float m_X,m_Y;
/// depth of overlay text, for correctly overlapping overlays; higher z implies in-front-of behaviour
int m_Z;
/// text color
CColor m_Color;
/// pointer to the font to use in rendering out text; not owned by the overlay, never attempt to delete
NPFont* m_Font;
/// actual text string
CStr m_String;
};
#endif

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#include "BaseEntity.h"
#include "ObjectManager.h"
#include "CStr.h"
// xerces XML stuff
#include <xercesc/dom/DOM.hpp>
#include <xercesc/parsers/XercesDOMParser.hpp>
#include <xercesc/framework/LocalFileInputSource.hpp>
#include <xercesc/util/XMLString.hpp>
#include <xercesc/util/PlatformUtils.hpp>
// Gee's custom error handler
#include <ps/XercesErrorHandler.h>
// automatically use namespace ..
XERCES_CPP_NAMESPACE_USE
bool CBaseEntity::loadXML( CStr filename )
{
// I can only assume Rich knows what this does ;)
bool parseOK = false;
// Initialize XML library
XMLPlatformUtils::Initialize();
{
// Create parser instance
XercesDOMParser *parser = new XercesDOMParser();
// Setup parser
parser->setValidationScheme(XercesDOMParser::Val_Auto);
parser->setDoNamespaces(false);
parser->setDoSchema(false);
parser->setCreateEntityReferenceNodes(false);
// Set customized error handler
CXercesErrorHandler *errorHandler = new CXercesErrorHandler();
parser->setErrorHandler(errorHandler);
// Get main node
LocalFileInputSource source( XMLString::transcode(filename) );
// Parse file
parser->parse(source);
// Check how many errors
parseOK = parser->getErrorCount() == 0;
if (parseOK) {
// parsed successfully - grab our data
DOMDocument *doc = parser->getDocument();
DOMElement *element = doc->getDocumentElement();
// root_name should be Object
CStr root_name = XMLString::transcode( element->getNodeName() );
// should have at least 3 children - Name, ModelName and TextureName
DOMNodeList *children = element->getChildNodes();
int numChildren=children->getLength();
for (int i=0; i<numChildren; ++i) {
// Get node
DOMNode *child = children->item(i);
// A child element
if (child->getNodeType() == DOMNode::ELEMENT_NODE)
{
// First get element and not node
DOMElement *child_element = (DOMElement*)child;
CStr element_name = XMLString::transcode( child_element->getNodeName() );
DOMNode *value_node= child_element->getChildNodes()->item(0);
CStr element_value=value_node ? XMLString::transcode(value_node->getNodeValue()) : "";
if (element_name==CStr("Name")) {
m_name = element_value;
} else if (element_name==CStr("Actor")) {
m_actorObject = g_ObjMan.FindObject( element_value );
} else if (element_name==CStr("Speed")) {
m_speed = element_value.ToFloat();
}
}
}
}
delete parser;
}
XMLPlatformUtils::Terminate();
return parseOK;
}

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#ifndef BASE_ENTITY_INCLUDED
#define BASE_ENTITY_INCLUDED
#include "CStr.h"
#include "ObjectEntry.h"
#include "EntityProperties.h"
class CBaseEntity
{
public:
// Load from XML
bool loadXML( CStr filename );
// Base stats
CObjectEntry* m_actorObject;
CStr m_name;
float m_speed;
// Extended properties table
std::hash_map<CStr,CGenericProperty,CStr_hash_compare> m_properties;
};
#endif

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// Last modified: May 15 2004, Mark Thompson (mark@wildfiregames.com)
#include "BaseEntityCollection.h"
#include "ObjectManager.h"
#include "Model.h"
#include "io.h"
void CBaseEntityCollection::loadTemplates()
{
_finddata_t file;
intptr_t handle;
CStr pathname = "mods/official/entities/templates/";
CStr filespec = pathname + "*.xml";
handle = _findfirst( filespec, &file );
if( handle != -1 )
{
do
{
CBaseEntity newTemplate;
if( newTemplate.loadXML( pathname + file.name ) )
addTemplate( newTemplate );
}
while( !_findnext( handle, &file ) );
_findclose(handle);
}
// He's so annoyingly slow...
CBaseEntity* dude = getTemplate( "Prometheus Dude" );
dude->m_actorObject->m_WalkAnim->m_FrameTime /= 10.0f;
dude->m_speed *= 10.0f;
/*
// Nasty evil wicked hardcoding.
CBaseEntity dude;
dude.m_name = CStr( "Prometheus Dude" );
dude.m_actorObject = g_ObjMan.FindObject( "The Dude" );
dude.m_actorObject->m_Model->GetAnimation()->m_FrameTime /= 3.0f;
dude.speed = 0.3f;
addTemplate( dude );
*/
}
void CBaseEntityCollection::addTemplate( CBaseEntity& temp )
{
m_templates.push_back( temp );
}
CBaseEntity* CBaseEntityCollection::getTemplate( CStr name )
{
for( int t = 0; t < m_templates.size(); t++ )
if( m_templates[t].m_name == name ) return( &( m_templates[t] ) );
return( NULL );
}
CBaseEntity* CBaseEntityCollection::getTemplateByActor( CObjectEntry* actor )
{
for( int t = 0; t < m_templates.size(); t++ )
if( m_templates[t].m_actorObject == actor ) return( &( m_templates[t] ) );
return( NULL );
}

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// Last modified: May 15 2004, Mark Thompson (mark@wildfiregames.com)
#ifndef BASEENT_COLLECTION_INCLUDED
#define BASEENT_COLLECTION_INCLUDED
#include <vector>
#include "CStr.h"
#include "Singleton.h"
#include "ObjectEntry.h"
#include "BaseEntity.h"
#define g_EntityTemplateCollection CBaseEntityCollection::GetSingleton()
class CBaseEntityCollection : public Singleton<CBaseEntityCollection>
{
std::vector<CBaseEntity> m_templates;
public:
CBaseEntity* getTemplate( CStr entityType );
void loadTemplates();
void addTemplate( CBaseEntity& temp );
CBaseEntity* getTemplateByActor( CObjectEntry* actor );
};
#endif

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// Last modified: May 15 2004, Mark Thompson (mark@wildfiregames.com)
#include "Entity.h"
#include "Model.h"
#include "Terrain.h"
#include "EntityManager.h"
#include "BaseEntityCollection.h"
CEntity::CEntity( CBaseEntity* base, CVector3D position, float orientation )
{
// Set our parent unit and build us an actor.
m_base = base;
m_actor = new CUnit;
m_actor->m_Object = m_base->m_actorObject;
m_actor->m_Model = ( m_actor->m_Object->m_Model ) ? m_actor->m_Object->m_Model->Clone() : NULL;
// Register the actor with the renderer.
g_UnitMan.AddUnit( m_actor );
// Set up our instance data
m_speed = m_base->m_speed;
m_position = position;
m_orientation = orientation;
snapToGround();
updateActorTransforms();
// Register the addresses of our native properties with the properties table
m_properties["speed"] = &m_speed;
m_properties["orientation"] = &m_orientation;
m_properties["position"] = &m_position;
}
bool isWaypoint( CEntity* e )
{
return( e->m_base->m_name == CStr( "Waypoint" ) );
}
void CEntity::updateActorTransforms()
{
CMatrix3D m;
m.SetYRotation( m_orientation );
m.Translate( m_position );
m_actor->m_Model->SetTransform( m );
}
float CEntity::getExactGroundLevel( float x, float y )
{
// TODO MT: If OK with Rich, move to terrain core. Once this works, that is.
x /= 4.0f;
y /= 4.0f;
int xi = floor( x );
int yi = floor( y );
float xf = x - (float)xi;
float yf = y - (float)yi;
u16* heightmap = g_Terrain.GetHeightMap();
u16 mapsize = g_Terrain.GetVerticesPerSide();
float h00 = heightmap[yi*mapsize + xi];
float h01 = heightmap[yi*mapsize + xi + mapsize];
float h10 = heightmap[yi*mapsize + xi + 1];
float h11 = heightmap[yi*mapsize + xi + mapsize + 1];
/*
if( xf < ( 1.0f - yf ) )
{
return( HEIGHT_SCALE * ( ( 1 - xf - yf ) * h00 + xf * h10 + yf * h01 ) );
}
else
return( HEIGHT_SCALE * ( ( xf + yf - 1 ) * h11 + ( 1 - xf ) * h01 + ( 1 - yf ) * h10 ) );
*/
/*
if( xf > yf )
{
return( HEIGHT_SCALE * ( ( 1 - xf ) * h00 + ( xf - yf ) * h10 + yf * h11 ) );
}
else
return( HEIGHT_SCALE * ( ( 1 - yf ) * h00 + ( yf - xf ) * h01 + xf * h11 ) );
*/
return( HEIGHT_SCALE * ( ( 1 - yf ) * ( ( 1 - xf ) * h00 + xf * h10 ) + yf * ( ( 1 - xf ) * h01 + xf * h11 ) ) );
}
void CEntity::snapToGround()
{
m_position.Y = getExactGroundLevel( m_position.X, m_position.Z );
}
void CEntity::update( float timestep )
{
while( !m_orderQueue.empty() )
{
CEntityOrder* current = &m_orderQueue.front();
switch( current->m_type )
{
case CEntityOrder::ORDER_GOTO_NOPATHING:
{
float deltax = (float)current->m_data[0].location.x - m_position.X;
float deltay = (float)current->m_data[0].location.y - m_position.Z;
m_targetorientation = atan2( -deltax, -deltay );
float deltatheta = m_targetorientation - m_orientation;
if( deltatheta > PI )
deltatheta -= 2 * PI;
if( deltatheta < -PI )
deltatheta += 2 * PI;
/*
if( deltatheta > 1.0f * timestep )
deltatheta = 1.0f * timestep;
if( deltatheta < -1.0f * timestep )
deltatheta = -1.0f * timestep;
*/
m_orientation += deltatheta;
float len = sqrt( deltax * deltax + deltay * deltay );
float scale = timestep * m_speed;
if( scale > len )
scale = len;
deltax = -sinf( m_orientation ) * scale; deltay = -cosf( m_orientation ) * scale;
m_position.X += deltax;
m_position.Z += deltay;
snapToGround();
updateActorTransforms();
if( len < 0.1f )
m_orderQueue.pop_front();
return;
break;
}
case CEntityOrder::ORDER_GOTO:
{
CEntityOrder pathfind_solution;
pathfind_solution.m_type = CEntityOrder::ORDER_GOTO_NOPATHING;
pathfind_solution.m_data[0] = current->m_data[0];
m_orderQueue.pop_front();
m_orderQueue.push_front( pathfind_solution );
if( m_actor->m_Model->GetAnimation() != m_actor->m_Object->m_WalkAnim )
m_actor->m_Model->SetAnimation( m_actor->m_Object->m_WalkAnim );
break;
}
case CEntityOrder::ORDER_PATROL:
{
CEntityOrder this_segment;
CEntityOrder repeat_patrol;
this_segment.m_type = CEntityOrder::ORDER_GOTO;
this_segment.m_data[0] = current->m_data[0];
repeat_patrol.m_type = CEntityOrder::ORDER_PATROL;
repeat_patrol.m_data[0] = current->m_data[0];
m_orderQueue.pop_front();
m_orderQueue.push_front( this_segment );
m_orderQueue.push_back( repeat_patrol );
break;
}
default:
assert( 0 && "Invalid entity order" );
}
}
if( m_actor->m_Model->GetAnimation() != m_actor->m_Object->m_IdleAnim )
m_actor->m_Model->SetAnimation( m_actor->m_Object->m_IdleAnim );
}
void CEntity::dispatch( CMessage* msg )
{
switch( msg->type )
{
case CMessage::EMSG_TICK:
break;
case CMessage::EMSG_INIT:
if( m_base->m_name == CStr( "Prometheus Dude" ) )
{
std::vector<HEntity>* waypoints = g_EntityManager.matches( isWaypoint );
while( !waypoints->empty() )
{
CEntityOrder patrol;
int id = rand() % waypoints->size();
std::vector<HEntity>::iterator it = waypoints->begin();
it += id;
HEntity waypoint = *it;
patrol.m_type = CEntityOrder::ORDER_PATROL;
patrol.m_data[0].location.x = waypoint->m_position.X;
patrol.m_data[0].location.y = waypoint->m_position.Z;
pushOrder( patrol );
waypoints->erase( it );
}
}
break;
}
}
void CEntity::pushOrder( CEntityOrder& order )
{
m_orderQueue.push_back( order );
}
void PASAPScenario()
{
// Entity demo. I don't know where this information is going to come from for pre-PASAP.
// So, it's hardcoded here. *shrug*
/*
float waypoints[4][2] = { { 12.0f, 64.0f },
{ 28.0f, 64.0f },
{ 56.0f, 52.0f },
{ 24.0f, 28.0f } };
*/
/*
for( int i = 0; i < 4; i++ )
{
HEntity bob = g_EntityManager.create( "Prometheus Dude", CVector3D( waypoints[i][0], 0.0f, waypoints[i][1] ), 0.0f );
for( int t = 0; t < 4; t++ )
{
CEntityOrder march_of_bob;
march_of_bob.m_type = CEntityOrder::ORDER_PATROL ;
march_of_bob.m_data[0].location.x = waypoints[(i+t+1)%4][0];
march_of_bob.m_data[0].location.y = waypoints[(i+t+1)%4][1];
bob->pushOrder( march_of_bob );
}
}
*/
}

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// Last modified: May 15 2004, Mark Thompson (mark@wildfiregames.com)
#ifndef ENTITY_INCLUDED
#define ENTITY_INCLUDED
#include <deque>
#include "EntityProperties.h"
#include "BaseEntity.h"
#include "Vector3D.h"
#include "Unit.h"
#include "UnitManager.h"
#include "EntityOrders.h"
#include "EntityHandles.h"
#include "EntityMessage.h"
class CEntityManager;
class CEntity
{
friend CEntityManager;
private:
// Intrinsic properties
public:
CStr m_name;
float m_speed;
CVector3D m_position;
float m_targetorientation;
float m_orientation;
CBaseEntity* m_base;
CUnit* m_actor;
std::deque<CEntityOrder> m_orderQueue;
// Extended properties table
std::hash_map<CStr,CGenericProperty,CStr_hash_compare> m_properties;
CEntity( CBaseEntity* base, CVector3D position, float orientation );
public:
// Handle-to-self.
HEntity me;
void dispatch( CMessage* msg );
void update( float timestep );
void updateActorTransforms();
float getExactGroundLevel( float x, float y );
void snapToGround();
void pushOrder( CEntityOrder& order );
};
extern void PASAPScenario();
#endif

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#include "EntityHandles.h"
#include "EntityManager.h"
CHandle::CHandle()
{
m_entity = NULL;
m_refcount = 0;
}
HEntity::HEntity( u16 index )
{
m_handle = index;
addRef();
}
HEntity::HEntity( const HEntity& copy )
{
m_handle = copy.m_handle;
addRef();
}
HEntity::HEntity()
{
m_handle = INVALID_HANDLE;
}
HEntity::~HEntity()
{
if( CEntityManager::extant() )
decRef();
}
void HEntity::operator=( const HEntity& copy )
{
decRef();
m_handle = copy.m_handle;
addRef();
}
void HEntity::addRef()
{
if( m_handle != INVALID_HANDLE )
g_EntityManager.m_entities[m_handle].m_refcount++;
}
void HEntity::decRef()
{
if( m_handle != INVALID_HANDLE )
{
assert( g_EntityManager.m_entities[m_handle].m_refcount != 0 );
if( --g_EntityManager.m_entities[m_handle].m_refcount == 0 )
{
delete( g_EntityManager.m_entities[m_handle].m_entity );
}
}
}
CEntity* HEntity::operator->()
{
assert( m_handle != INVALID_HANDLE );
assert( g_EntityManager.m_entities[m_handle].m_refcount != 0 );
return( g_EntityManager.m_entities[m_handle].m_entity );
}
CEntity& HEntity::operator*()
{
assert( m_handle != INVALID_HANDLE );
assert( g_EntityManager.m_entities[m_handle].m_refcount != 0 );
return( *g_EntityManager.m_entities[m_handle].m_entity );
}

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#ifndef ENTITY_HANDLE_INCLUDED
#define ENTITY_HANDLE_INCLUDED
#include "types.h"
#define INVALID_HANDLE 65535
class CEntity;
class CEntityManager;
class CHandle
{
public:
CEntity* m_entity;
u16 m_refcount;
CHandle();
};
class HEntity
{
friend CEntityManager;
u16 m_handle;
void addRef();
void decRef();
HEntity( u16 index );
public:
CEntity& operator*();
CEntity* operator->();
HEntity();
HEntity( const HEntity& copy );
void operator=( const HEntity& copy );
~HEntity();
};
#endif

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#include "EntityManager.h"
#include "BaseEntityCollection.h"
CEntityManager::CEntityManager()
{
m_nextalloc = 0;
m_extant = true;
}
CEntityManager::~CEntityManager()
{
m_extant = false;
}
HEntity CEntityManager::create( CBaseEntity* base, CVector3D position, float orientation )
{
assert( base );
while( m_entities[m_nextalloc].m_refcount )
m_nextalloc++;
m_entities[m_nextalloc].m_entity = new CEntity( base, position, orientation );
m_entities[m_nextalloc].m_entity->me = HEntity( m_nextalloc );
return( HEntity( m_nextalloc++ ) );
}
HEntity CEntityManager::create( CStr templatename, CVector3D position, float orientation )
{
CBaseEntity* templateobj = g_EntityTemplateCollection.getTemplate( templatename );
return( create( templateobj, position, orientation ) );
}
std::vector<HEntity>* CEntityManager::matches( EntityPredicate predicate )
{
std::vector<HEntity>* matchlist = new std::vector<HEntity>;
for( int i = 0; i < MAX_HANDLES; i++ )
if( m_entities[i].m_refcount )
if( predicate( m_entities[i].m_entity ) )
matchlist->push_back( HEntity( i ) );
return( matchlist );
}
void CEntityManager::dispatchAll( CMessage* msg )
{
for( int i = 0; i < MAX_HANDLES; i++ )
if( m_entities[i].m_refcount )
m_entities[i].m_entity->dispatch( msg );
}
void CEntityManager::updateAll( float timestep )
{
for( int i = 0; i < MAX_HANDLES; i++ )
if( m_entities[i].m_refcount )
m_entities[i].m_entity->update( timestep );
}
bool CEntityManager::m_extant = false;

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#ifndef ENTITY_MANAGER_INCLUDED
#define ENTITY_MANAGER_INCLUDED
#include "Singleton.h"
#include "Entity.h"
#include "EntityHandles.h"
#include "EntityMessage.h"
#define MAX_HANDLES 4096
#define g_EntityManager CEntityManager::GetSingleton()
class CEntityManager : public Singleton<CEntityManager>
{
friend HEntity;
friend CHandle;
CHandle m_entities[MAX_HANDLES];
int m_nextalloc;
static bool m_extant;
public:
typedef bool (*EntityPredicate)( CEntity* target );
CEntityManager();
~CEntityManager();
HEntity create( CBaseEntity* base, CVector3D position, float orientation );
HEntity create( CStr templatename, CVector3D position, float orientation );
void updateAll( float timestep );
void dispatchAll( CMessage* msg );
std::vector<HEntity>* matches( EntityPredicate predicate );
static inline bool extant() // True if the singleton is actively maintaining handles. When false, system is shutting down, handles are quietly dumped.
{
return( m_extant );
}
};
#endif

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// Message structure
#ifndef MESSAGING_INCLUDED
#define MESSAGING_INCLUDED
struct CMessage
{
enum EMessageType
{
EMSG_TICK,
EMSG_INIT
} type;
CMessage( EMessageType _type )
{
type = _type;
}
};
#endif

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// Last modified: May 15 2004, Mark Thompson (mark@wildfiregames.com)
#ifndef ENTITY_ORDER_INCLUDED
#define ENTITY_ORDER_INCLUDED
#define ORDER_MAX_DATA 1
#include "EntityHandles.h"
struct SOrderData
{
union
{
struct
{
float x;
float y;
} location;
u64 data; // miscellaneous
};
HEntity entity;
};
class CEntityOrder
{
public:
enum
{
ORDER_GOTO_NOPATHING,
ORDER_GOTO,
ORDER_PATROL
} m_type;
SOrderData m_data[ORDER_MAX_DATA];
};
#endif

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#include "EntityProperties.h"
CGenericProperty::CGenericProperty()
{
m_type = PROP_INTEGER;
m_integer = 0;
}
CGenericProperty::CGenericProperty( i32 value )
{
m_type = PROP_INTEGER;
m_integer = value;
}
CGenericProperty::CGenericProperty( float value )
{
m_type = PROP_FLOAT;
m_float = value;
}
CGenericProperty::CGenericProperty( CStr& value )
{
m_type = PROP_STRING;
m_string = new CStr( value );
}
CGenericProperty::CGenericProperty( CVector3D& value )
{
m_type = PROP_VECTOR;
m_vector = new CVector3D( value );
}
CGenericProperty::CGenericProperty( void* value )
{
m_type = PROP_PTR;
m_ptr = value;
}
CGenericProperty::CGenericProperty( i32* value )
{
m_type = PROP_INTEGER_INTRINSIC;
m_integerptr = value;
}
CGenericProperty::CGenericProperty( float* value )
{
m_type = PROP_FLOAT_INTRINSIC;
m_floatptr = value;
}
CGenericProperty::CGenericProperty( CStr* value )
{
m_type = PROP_STRING_INTRINSIC;
m_string = value;
}
CGenericProperty::CGenericProperty( CVector3D* value )
{
m_type = PROP_VECTOR_INTRINSIC;
m_vector = value;
}
CGenericProperty::~CGenericProperty()
{
switch( m_type )
{
case PROP_STRING:
delete( m_string ); break;
case PROP_VECTOR:
delete( m_vector ); break;
default:
break;
}
}
CGenericProperty::operator CStr()
{
char working[64];
switch( m_type )
{
case PROP_STRING:
case PROP_STRING_INTRINSIC:
return( *m_string );
case PROP_VECTOR:
case PROP_VECTOR_INTRINSIC:
snprintf( working, 63, "{ %f, %f, %f }", m_vector->X, m_vector->Y, m_vector->Z );
working[63] = 0;
return( CStr( working ) );
case PROP_INTEGER:
return( CStr( m_integer ) );
case PROP_INTEGER_INTRINSIC:
return( CStr( *m_integerptr ) );
case PROP_FLOAT:
return( CStr( m_float ) );
case PROP_FLOAT_INTRINSIC:
return( CStr( *m_floatptr ) );
default:
return( CStr() );
}
}
CGenericProperty::operator CVector3D()
{
switch( m_type )
{
case PROP_VECTOR:
return( *m_vector );
default:
return( CVector3D() );
}
}
CGenericProperty::operator i32()
{
switch( m_type )
{
case PROP_INTEGER:
return( m_integer );
case PROP_INTEGER_INTRINSIC:
return( *m_integerptr );
case PROP_FLOAT:
return( (i32)m_float );
case PROP_FLOAT_INTRINSIC:
return( (i32)*m_floatptr );
case PROP_STRING:
return( m_string->ToInt() );
default:
return( 0 );
}
}
CGenericProperty::operator float()
{
switch( m_type )
{
case PROP_INTEGER:
return( (float)m_integer );
case PROP_INTEGER_INTRINSIC:
return( (float)*m_integerptr );
case PROP_FLOAT:
return( m_float );
case PROP_FLOAT_INTRINSIC:
return( *m_floatptr );
case PROP_STRING:
return( m_string->ToFloat() );
default:
return( 0.0f );
}
}
CGenericProperty::operator void*()
{
switch( m_type )
{
case PROP_PTR:
return( m_ptr );
default:
return( NULL );
}
}

65
source/simulation/EntityProperties.h Executable file
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@ -0,0 +1,65 @@
// Inefficiency warning.
// Will move frequently accessed properties (position, name, etc.) to native C++ primitives.
// Just playing around with this idea, will probably keep it for at least some of the more exotic and/or user-defined properties.
// TODO: Fix the silent failures of the conversion functions: need to work out what to do in these cases.
// Mark Thompson mot20@cam.ac.uk / mark@wildfiregames.com
#ifndef ENTITY_PROPERTIES_INCLUDED
#define ENTITY_PROPERTIES_INCLUDED
#include "CStr.h"
#include "Vector3D.h"
#include <hash_map>
class CGenericProperty
{
public:
enum EPropTypes
{
PROP_INTRINSIC = 256,
PROP_INTEGER = 0,
PROP_FLOAT,
PROP_STRING,
PROP_VECTOR,
PROP_PTR,
PROP_INTEGER_INTRINSIC = PROP_INTEGER | PROP_INTRINSIC,
PROP_FLOAT_INTRINSIC = PROP_FLOAT | PROP_INTRINSIC,
PROP_STRING_INTRINSIC = PROP_STRING | PROP_INTRINSIC,
PROP_VECTOR_INTRINSIC = PROP_VECTOR | PROP_INTRINSIC
};
private:
EPropTypes m_type;
union
{
i32 m_integer;
i32* m_integerptr;
float m_float;
float* m_floatptr;
CStr* m_string;
CVector3D* m_vector;
void* m_ptr;
};
public:
CGenericProperty(); // Create an integer property containing 0.
CGenericProperty( i32 value ); // Create an integer property with a given value.
CGenericProperty( i32* value ); // Create an integer property that points to the given variable.
CGenericProperty( float value ); // Create a floating-point property with a given value.
CGenericProperty( float* value ); // Create a floating-point property that points to the given variable.
CGenericProperty( CStr& value ); // Create a string object property that's initialized to a copy of the given string.
CGenericProperty( CStr* value ); // Create a string object property that points to the given variable.
CGenericProperty( CVector3D& value ); // Create a vector object property that's initialized to a copy of the given vector.
CGenericProperty( CVector3D* value ); // Create a vector object property that points to the given variable.
CGenericProperty( void* value ); // Create a general property that points to the given value.
~CGenericProperty();
operator i32(); // Convert to an integer if possible (integer, float, some strings), otherwise returns 0.
operator float(); // Convert to a float if possible (integer, float, some strings), otherwise returns 0.0f.
operator CStr(); // Convert to a string if possible (all except generic pointer), otherwise returns CStr().
operator CVector3D(); // If this property is a vector, returns that vector, otherwise returns CVector3D().
operator void*(); // If this property is a generic pointer, returns that pointer, otherwise returns NULL.
};
#endif

606
source/terrain/AlphaMapCalculator.cpp
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@ -1,303 +1,303 @@
///////////////////////////////////////////////////////////////////////////////
//
// Name: AlphaMapCalculator.cpp
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#include "AlphaMapCalculator.h"
#include <string.h>
#include <stdio.h>
///////////////////////////////////////////////////////////////////////////////
// CAlphaMapCalculator: functionality for calculating which alpha blend map
// fits a given shape
namespace CAlphaMapCalculator {
///////////////////////////////////////////////////////////////////////////////
// Blend4: structure mapping a blend shape for N,E,S,W to a particular map
struct Blend4 {
Blend4(BlendShape4 shape,int alphamap) : m_Shape(shape), m_AlphaMap(alphamap) {}
BlendShape4 m_Shape;
int m_AlphaMap;
};
///////////////////////////////////////////////////////////////////////////////
// Blend8: structure mapping a blend shape for N,NE,E,SE,S,SW,W,NW to a
// particular map
struct Blend8 {
Blend8(BlendShape8 shape,int alphamap) : m_Shape(shape), m_AlphaMap(alphamap) {}
BlendShape8 m_Shape;
int m_AlphaMap;
};
///////////////////////////////////////////////////////////////////////////////
// Data tables for mapping between shapes and blend maps
///////////////////////////////////////////////////////////////////////////////
const Blend4 Blends1Neighbour[] =
{
Blend4(BlendShape4(1,0,0,0), 12)
};
const Blend4 Blends2Neighbour[] =
{
Blend4(BlendShape4(0,1,1,0), 7),
Blend4(BlendShape4(1,0,1,0), 10)
};
const Blend8 Blends2Neighbour8[] =
{
Blend8(BlendShape8(1,1,0,0,0,0,0,0), 12),
Blend8(BlendShape8(1,0,0,0,0,1,0,0), 12),
Blend8(BlendShape8(0,1,0,1,0,0,0,0), 0) ,
Blend8(BlendShape8(0,1,0,0,0,1,0,0), 0)
};
const Blend4 Blends3Neighbour[] =
{
Blend4(BlendShape4(1,1,1,0), 4)
};
const Blend8 Blends3Neighbour8[] =
{
Blend8(BlendShape8(1,1,0,0,1,0,0,0), 10),
Blend8(BlendShape8(1,1,0,0,0,0,0,1), 12),
Blend8(BlendShape8(1,1,1,0,0,0,0,0), 1),
Blend8(BlendShape8(0,1,1,0,1,0,0,0), 7),
Blend8(BlendShape8(0,0,1,0,1,0,1,0), 4),
Blend8(BlendShape8(1,1,0,0,0,1,0,0), 12),
Blend8(BlendShape8(1,1,0,1,0,0,0,0), 12),
Blend8(BlendShape8(0,0,1,0,1,0,0,1), 7),
Blend8(BlendShape8(1,0,0,1,0,1,0,0), 12),
Blend8(BlendShape8(0,1,0,1,0,1,0,0), 0)
};
const Blend8 Blends4Neighbour8[] =
{
Blend8(BlendShape8(1,1,0,0,1,0,0,1), 10),
Blend8(BlendShape8(1,1,0,1,1,0,0,0), 10),
Blend8(BlendShape8(1,1,0,0,1,1,0,0), 10),
Blend8(BlendShape8(1,1,0,1,0,0,0,1), 12),
Blend8(BlendShape8(0,1,1,0,1,1,0,0), 7),
Blend8(BlendShape8(1,1,1,1,0,0,0,0), 1),
Blend8(BlendShape8(1,1,1,0,1,0,0,0), 3),
Blend8(BlendShape8(0,0,1,0,1,1,0,1), 7),
Blend8(BlendShape8(1,0,1,0,1,1,0,0), 4),
Blend8(BlendShape8(1,1,1,0,0,1,0,0), 1),
Blend8(BlendShape8(1,1,0,1,0,1,0,0), 12),
Blend8(BlendShape8(0,1,0,1,0,1,0,1), 0)
};
const Blend8 Blends5Neighbour8[] =
{
Blend8(BlendShape8(1,1,1,1,1,0,0,0), 2),
Blend8(BlendShape8(1,1,1,1,0,0,0,1), 1),
Blend8(BlendShape8(1,1,1,0,1,0,0,1), 3),
Blend8(BlendShape8(1,1,1,0,1,0,1,0), 11),
Blend8(BlendShape8(1,1,1,0,0,1,0,1), 1),
Blend8(BlendShape8(1,1,0,1,1,1,0,0), 10),
Blend8(BlendShape8(1,1,1,0,1,1,0,0), 3),
Blend8(BlendShape8(1,0,1,0,1,1,0,1), 4),
Blend8(BlendShape8(1,1,0,1,0,1,0,1), 12),
Blend8(BlendShape8(0,1,1,0,1,1,0,1), 7)
};
const Blend8 Blends6Neighbour8[] =
{
Blend8(BlendShape8(1,1,1,1,1,1,0,0), 2),
Blend8(BlendShape8(1,1,1,1,1,0,1,0), 8),
Blend8(BlendShape8(1,1,1,1,0,1,0,1), 1),
Blend8(BlendShape8(1,1,1,0,1,1,1,0), 6),
Blend8(BlendShape8(1,1,1,0,1,1,0,1), 3),
Blend8(BlendShape8(1,1,0,1,1,1,0,1), 10)
};
const Blend8 Blends7Neighbour8[] =
{
Blend8(BlendShape8(1,1,1,1,1,1,0,1), 2),
Blend8(BlendShape8(1,1,1,1,1,1,1,0), 9)
};
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// MatchBlendShapeFlipped: test if the given shape can be made to fit the
// template in either unflipped state, or by flipping the shape in U or V
template<class T>
bool MatchBlendShapeFlipped(const T& templateshape,const T& shape,unsigned int& flags)
{
// test unrotated shape
if (shape==templateshape) {
return true;
}
// test against shape flipped in U
T tstShape;
templateshape.FlipU(tstShape);
if (shape==tstShape) {
flags|=BLENDMAP_FLIPU;
return true;
}
// test against shape flipped in V
templateshape.FlipV(tstShape);
if (shape==tstShape) {
flags|=BLENDMAP_FLIPV;
return true;
}
// no joy; no match by flipping
return false;
}
///////////////////////////////////////////////////////////////////////////////
// MatchBlendShape: try and find a matching blendmap, and the required flip/
// rotation flags, to fit the given shape to the template
template<class T>
int MatchBlendShape(const T& templateshape,const T& shape,unsigned int& flags)
{
// try matching unrotated shape first using just flipping
if (MatchBlendShapeFlipped(templateshape,shape,flags)) {
return true;
}
// now try iterating through rotations of 90,180,270 degrees
T tstShape;
templateshape.Rotate90(tstShape);
if (MatchBlendShapeFlipped(tstShape,shape,flags)) {
// update flags - note if we've flipped in u or v, we need to rotate in
// the opposite direction
flags|=flags ? BLENDMAP_ROTATE270 : BLENDMAP_ROTATE90;
return true;
}
templateshape.Rotate180(tstShape);
if (MatchBlendShapeFlipped(tstShape,shape,flags)) {
flags|=BLENDMAP_ROTATE180;
return true;
}
templateshape.Rotate270(tstShape);
if (MatchBlendShapeFlipped(tstShape,shape,flags)) {
// update flags - note if we've flipped in u or v, we need to rotate in
// the opposite direction
flags|=flags ? BLENDMAP_ROTATE90 : BLENDMAP_ROTATE270;
return true;
}
return false;
}
///////////////////////////////////////////////////////////////////////////////
// LookupBlend: find and return the blendmap fitting the given shape by
// iterating through the given data table and testing each shape in flipped and
// rotated forms until a match is found
template<class S,class T>
int LookupBlend(int tableSize,const S* table,const T& shape,unsigned int& flags)
{
// iterate through known blend shapes
for (int b=0;b<tableSize;b++) {
const S& blend=table[b];
if (MatchBlendShape(blend.m_Shape,shape,flags)) {
return blend.m_AlphaMap;
}
}
// eh? shouldn't get here if we've correctly considered all possible cases;
// keep the compiler happy, and, while we're still debugging possible shapes,
// return bad blend to highlight suspect alphamap logic
return 13;
}
///////////////////////////////////////////////////////////////////////////////
// Calculate: return the index of the blend map that fits the given shape,
// and the set of flip/rotation flags to get the shape correctly oriented
int Calculate(BlendShape8 shape,unsigned int& flags)
{
// assume we're not going to require flipping or rotating
flags=0;
// count number of neighbours
int count=0;
for (int i=0;i<8;i++) {
if (shape[i]) count++;
}
if (count==0) {
// no neighbours, just the centre tile has the given texture; use blend circle
return 0;
} else if (count==8) {
// all neighbours have same texture; return code to signal no alphamap required
return -1;
} else {
if (count<=4) {
// check if we can consider this a BlendShape4 - ie are any of the diagonals (NE,SE,SW,NW) set?
if (!shape[1] && !shape[3] && !shape[5] && !shape[7]) {
// ok, build a BlendShape4 and use that
BlendShape4 shape4;
shape4[0]=shape[0];
shape4[1]=shape[2];
shape4[2]=shape[4];
shape4[3]=shape[6];
switch (count) {
case 1:
return LookupBlend(sizeof(Blends1Neighbour)/sizeof(Blend4),Blends1Neighbour,shape4,flags);
case 2:
return LookupBlend(sizeof(Blends2Neighbour)/sizeof(Blend4),Blends2Neighbour,shape4,flags);
case 3:
return LookupBlend(sizeof(Blends3Neighbour)/sizeof(Blend4),Blends3Neighbour,shape4,flags);
case 4:
// N,S,E,W have same texture, NE,SE,SW,NW don't; use a blend 4 corners
return 5;
}
}
}
// we've got this far, so now we've got to consider the remaining choices, all containing
// diagonal elements
switch (count) {
case 1:
// trivial case - just return a circle blend
return 0;
case 2:
return LookupBlend(sizeof(Blends2Neighbour8)/sizeof(Blend8),Blends2Neighbour8,shape,flags);
case 3:
return LookupBlend(sizeof(Blends3Neighbour8)/sizeof(Blend8),Blends3Neighbour8,shape,flags);
case 4:
return LookupBlend(sizeof(Blends4Neighbour8)/sizeof(Blend8),Blends4Neighbour8,shape,flags);
case 5:
return LookupBlend(sizeof(Blends5Neighbour8)/sizeof(Blend8),Blends5Neighbour8,shape,flags);
case 6:
return LookupBlend(sizeof(Blends6Neighbour8)/sizeof(Blend8),Blends6Neighbour8,shape,flags);
case 7:
return LookupBlend(sizeof(Blends7Neighbour8)/sizeof(Blend8),Blends7Neighbour8,shape,flags);
}
}
// Shouldn't get here if we've correctly considered all possible cases;
// keep the compiler happy, and, while we're still debugging possible shapes,
// return bad blend to highlight suspect alphamap logic
return 13;
}
} // end of namespace
///////////////////////////////////////////////////////////////////////////////
//
// Name: AlphaMapCalculator.cpp
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#include "AlphaMapCalculator.h"
#include <string.h>
#include <stdio.h>
///////////////////////////////////////////////////////////////////////////////
// CAlphaMapCalculator: functionality for calculating which alpha blend map
// fits a given shape
namespace CAlphaMapCalculator {
///////////////////////////////////////////////////////////////////////////////
// Blend4: structure mapping a blend shape for N,E,S,W to a particular map
struct Blend4 {
Blend4(BlendShape4 shape,int alphamap) : m_Shape(shape), m_AlphaMap(alphamap) {}
BlendShape4 m_Shape;
int m_AlphaMap;
};
///////////////////////////////////////////////////////////////////////////////
// Blend8: structure mapping a blend shape for N,NE,E,SE,S,SW,W,NW to a
// particular map
struct Blend8 {
Blend8(BlendShape8 shape,int alphamap) : m_Shape(shape), m_AlphaMap(alphamap) {}
BlendShape8 m_Shape;
int m_AlphaMap;
};
///////////////////////////////////////////////////////////////////////////////
// Data tables for mapping between shapes and blend maps
///////////////////////////////////////////////////////////////////////////////
const Blend4 Blends1Neighbour[] =
{
Blend4(BlendShape4(1,0,0,0), 12)
};
const Blend4 Blends2Neighbour[] =
{
Blend4(BlendShape4(0,1,1,0), 7),
Blend4(BlendShape4(1,0,1,0), 10)
};
const Blend8 Blends2Neighbour8[] =
{
Blend8(BlendShape8(1,1,0,0,0,0,0,0), 12),
Blend8(BlendShape8(1,0,0,0,0,1,0,0), 12),
Blend8(BlendShape8(0,1,0,1,0,0,0,0), 0) ,
Blend8(BlendShape8(0,1,0,0,0,1,0,0), 0)
};
const Blend4 Blends3Neighbour[] =
{
Blend4(BlendShape4(1,1,1,0), 4)
};
const Blend8 Blends3Neighbour8[] =
{
Blend8(BlendShape8(1,1,0,0,1,0,0,0), 10),
Blend8(BlendShape8(1,1,0,0,0,0,0,1), 12),
Blend8(BlendShape8(1,1,1,0,0,0,0,0), 1),
Blend8(BlendShape8(0,1,1,0,1,0,0,0), 7),
Blend8(BlendShape8(0,0,1,0,1,0,1,0), 4),
Blend8(BlendShape8(1,1,0,0,0,1,0,0), 12),
Blend8(BlendShape8(1,1,0,1,0,0,0,0), 12),
Blend8(BlendShape8(0,0,1,0,1,0,0,1), 7),
Blend8(BlendShape8(1,0,0,1,0,1,0,0), 12),
Blend8(BlendShape8(0,1,0,1,0,1,0,0), 0)
};
const Blend8 Blends4Neighbour8[] =
{
Blend8(BlendShape8(1,1,0,0,1,0,0,1), 10),
Blend8(BlendShape8(1,1,0,1,1,0,0,0), 10),
Blend8(BlendShape8(1,1,0,0,1,1,0,0), 10),
Blend8(BlendShape8(1,1,0,1,0,0,0,1), 12),
Blend8(BlendShape8(0,1,1,0,1,1,0,0), 7),
Blend8(BlendShape8(1,1,1,1,0,0,0,0), 1),
Blend8(BlendShape8(1,1,1,0,1,0,0,0), 3),
Blend8(BlendShape8(0,0,1,0,1,1,0,1), 7),
Blend8(BlendShape8(1,0,1,0,1,1,0,0), 4),
Blend8(BlendShape8(1,1,1,0,0,1,0,0), 1),
Blend8(BlendShape8(1,1,0,1,0,1,0,0), 12),
Blend8(BlendShape8(0,1,0,1,0,1,0,1), 0)
};
const Blend8 Blends5Neighbour8[] =
{
Blend8(BlendShape8(1,1,1,1,1,0,0,0), 2),
Blend8(BlendShape8(1,1,1,1,0,0,0,1), 1),
Blend8(BlendShape8(1,1,1,0,1,0,0,1), 3),
Blend8(BlendShape8(1,1,1,0,1,0,1,0), 11),
Blend8(BlendShape8(1,1,1,0,0,1,0,1), 1),
Blend8(BlendShape8(1,1,0,1,1,1,0,0), 10),
Blend8(BlendShape8(1,1,1,0,1,1,0,0), 3),
Blend8(BlendShape8(1,0,1,0,1,1,0,1), 4),
Blend8(BlendShape8(1,1,0,1,0,1,0,1), 12),
Blend8(BlendShape8(0,1,1,0,1,1,0,1), 7)
};
const Blend8 Blends6Neighbour8[] =
{
Blend8(BlendShape8(1,1,1,1,1,1,0,0), 2),
Blend8(BlendShape8(1,1,1,1,1,0,1,0), 8),
Blend8(BlendShape8(1,1,1,1,0,1,0,1), 1),
Blend8(BlendShape8(1,1,1,0,1,1,1,0), 6),
Blend8(BlendShape8(1,1,1,0,1,1,0,1), 3),
Blend8(BlendShape8(1,1,0,1,1,1,0,1), 10)
};
const Blend8 Blends7Neighbour8[] =
{
Blend8(BlendShape8(1,1,1,1,1,1,0,1), 2),
Blend8(BlendShape8(1,1,1,1,1,1,1,0), 9)
};
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// MatchBlendShapeFlipped: test if the given shape can be made to fit the
// template in either unflipped state, or by flipping the shape in U or V
template<class T>
bool MatchBlendShapeFlipped(const T& templateshape,const T& shape,unsigned int& flags)
{
// test unrotated shape
if (shape==templateshape) {
return true;
}
// test against shape flipped in U
T tstShape;
templateshape.FlipU(tstShape);
if (shape==tstShape) {
flags|=BLENDMAP_FLIPU;
return true;
}
// test against shape flipped in V
templateshape.FlipV(tstShape);
if (shape==tstShape) {
flags|=BLENDMAP_FLIPV;
return true;
}
// no joy; no match by flipping
return false;
}
///////////////////////////////////////////////////////////////////////////////
// MatchBlendShape: try and find a matching blendmap, and the required flip/
// rotation flags, to fit the given shape to the template
template<class T>
int MatchBlendShape(const T& templateshape,const T& shape,unsigned int& flags)
{
// try matching unrotated shape first using just flipping
if (MatchBlendShapeFlipped(templateshape,shape,flags)) {
return true;
}
// now try iterating through rotations of 90,180,270 degrees
T tstShape;
templateshape.Rotate90(tstShape);
if (MatchBlendShapeFlipped(tstShape,shape,flags)) {
// update flags - note if we've flipped in u or v, we need to rotate in
// the opposite direction
flags|=flags ? BLENDMAP_ROTATE270 : BLENDMAP_ROTATE90;
return true;
}
templateshape.Rotate180(tstShape);
if (MatchBlendShapeFlipped(tstShape,shape,flags)) {
flags|=BLENDMAP_ROTATE180;
return true;
}
templateshape.Rotate270(tstShape);
if (MatchBlendShapeFlipped(tstShape,shape,flags)) {
// update flags - note if we've flipped in u or v, we need to rotate in
// the opposite direction
flags|=flags ? BLENDMAP_ROTATE90 : BLENDMAP_ROTATE270;
return true;
}
return false;
}
///////////////////////////////////////////////////////////////////////////////
// LookupBlend: find and return the blendmap fitting the given shape by
// iterating through the given data table and testing each shape in flipped and
// rotated forms until a match is found
template<class S,class T>
int LookupBlend(int tableSize,const S* table,const T& shape,unsigned int& flags)
{
// iterate through known blend shapes
for (int b=0;b<tableSize;b++) {
const S& blend=table[b];
if (MatchBlendShape(blend.m_Shape,shape,flags)) {
return blend.m_AlphaMap;
}
}
// eh? shouldn't get here if we've correctly considered all possible cases;
// keep the compiler happy, and, while we're still debugging possible shapes,
// return bad blend to highlight suspect alphamap logic
return 13;
}
///////////////////////////////////////////////////////////////////////////////
// Calculate: return the index of the blend map that fits the given shape,
// and the set of flip/rotation flags to get the shape correctly oriented
int Calculate(BlendShape8 shape,unsigned int& flags)
{
// assume we're not going to require flipping or rotating
flags=0;
// count number of neighbours
int count=0;
for (int i=0;i<8;i++) {
if (shape[i]) count++;
}
if (count==0) {
// no neighbours, just the centre tile has the given texture; use blend circle
return 0;
} else if (count==8) {
// all neighbours have same texture; return code to signal no alphamap required
return -1;
} else {
if (count<=4) {
// check if we can consider this a BlendShape4 - ie are any of the diagonals (NE,SE,SW,NW) set?
if (!shape[1] && !shape[3] && !shape[5] && !shape[7]) {
// ok, build a BlendShape4 and use that
BlendShape4 shape4;
shape4[0]=shape[0];
shape4[1]=shape[2];
shape4[2]=shape[4];
shape4[3]=shape[6];
switch (count) {
case 1:
return LookupBlend(sizeof(Blends1Neighbour)/sizeof(Blend4),Blends1Neighbour,shape4,flags);
case 2:
return LookupBlend(sizeof(Blends2Neighbour)/sizeof(Blend4),Blends2Neighbour,shape4,flags);
case 3:
return LookupBlend(sizeof(Blends3Neighbour)/sizeof(Blend4),Blends3Neighbour,shape4,flags);
case 4:
// N,S,E,W have same texture, NE,SE,SW,NW don't; use a blend 4 corners
return 5;
}
}
}
// we've got this far, so now we've got to consider the remaining choices, all containing
// diagonal elements
switch (count) {
case 1:
// trivial case - just return a circle blend
return 0;
case 2:
return LookupBlend(sizeof(Blends2Neighbour8)/sizeof(Blend8),Blends2Neighbour8,shape,flags);
case 3:
return LookupBlend(sizeof(Blends3Neighbour8)/sizeof(Blend8),Blends3Neighbour8,shape,flags);
case 4:
return LookupBlend(sizeof(Blends4Neighbour8)/sizeof(Blend8),Blends4Neighbour8,shape,flags);
case 5:
return LookupBlend(sizeof(Blends5Neighbour8)/sizeof(Blend8),Blends5Neighbour8,shape,flags);
case 6:
return LookupBlend(sizeof(Blends6Neighbour8)/sizeof(Blend8),Blends6Neighbour8,shape,flags);
case 7:
return LookupBlend(sizeof(Blends7Neighbour8)/sizeof(Blend8),Blends7Neighbour8,shape,flags);
}
}
// Shouldn't get here if we've correctly considered all possible cases;
// keep the compiler happy, and, while we're still debugging possible shapes,
// return bad blend to highlight suspect alphamap logic
return 13;
}
} // end of namespace

62
source/terrain/AlphaMapCalculator.h
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@ -1,31 +1,31 @@
///////////////////////////////////////////////////////////////////////////////
//
// Name: AlphaMapCalculator.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _ALPHAMAPCALCULATOR_H
#define _ALPHAMAPCALCULATOR_H
#include <string.h>
#include "BlendShapes.h"
// defines for blendmap flipping/rotating
#define BLENDMAP_FLIPV 0x01
#define BLENDMAP_FLIPU 0x02
#define BLENDMAP_ROTATE90 0x04
#define BLENDMAP_ROTATE180 0x08
#define BLENDMAP_ROTATE270 0x10
///////////////////////////////////////////////////////////////////////////////
// CAlphaMapCalculator: functionality for calculating which alpha blend map
// fits a given shape
namespace CAlphaMapCalculator {
// Calculate: return the index of the blend map that fits the given shape,
// and the set of flip/rotation flags to get the shape correctly oriented
int Calculate(BlendShape8 shape,unsigned int& flags);
}
#endif
///////////////////////////////////////////////////////////////////////////////
//
// Name: AlphaMapCalculator.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _ALPHAMAPCALCULATOR_H
#define _ALPHAMAPCALCULATOR_H
#include <string.h>
#include "BlendShapes.h"
// defines for blendmap flipping/rotating
#define BLENDMAP_FLIPV 0x01
#define BLENDMAP_FLIPU 0x02
#define BLENDMAP_ROTATE90 0x04
#define BLENDMAP_ROTATE180 0x08
#define BLENDMAP_ROTATE270 0x10
///////////////////////////////////////////////////////////////////////////////
// CAlphaMapCalculator: functionality for calculating which alpha blend map
// fits a given shape
namespace CAlphaMapCalculator {
// Calculate: return the index of the blend map that fits the given shape,
// and the set of flip/rotation flags to get the shape correctly oriented
int Calculate(BlendShape8 shape,unsigned int& flags);
}
#endif

284
source/terrain/BlendShapes.h
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///////////////////////////////////////////////////////////////////////////////
//
// Name: BlendShapes.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _BLENDSHAPES_H
#define _BLENDSHAPES_H
struct BlendShape4
{
public:
BlendShape4() {}
BlendShape4(int a,int b,int c,int d) {
m_Data[0]=a; m_Data[1]=b; m_Data[2]=c; m_Data[3]=d;
}
int& operator[](int index) { return m_Data[index]; }
const int& operator[](int index) const { return m_Data[index]; }
bool operator==(const BlendShape4& lhs) const {
return memcmp(m_Data,lhs.m_Data,sizeof(BlendShape4))==0;
}
void Rotate90(BlendShape4& dst) const {
dst[0]=m_Data[3];
dst[1]=m_Data[0];
dst[2]=m_Data[1];
dst[3]=m_Data[2];
}
void Rotate180(BlendShape4& dst) const {
dst[0]=m_Data[2];
dst[1]=m_Data[3];
dst[2]=m_Data[0];
dst[3]=m_Data[1];
}
void Rotate270(BlendShape4& dst) const {
dst[0]=m_Data[1];
dst[1]=m_Data[2];
dst[2]=m_Data[3];
dst[3]=m_Data[0];
}
void FlipU(BlendShape4& dst) const {
dst[0]=m_Data[2];
dst[1]=m_Data[1];
dst[2]=m_Data[0];
dst[3]=m_Data[3];
}
void FlipV(BlendShape4& dst) const {
dst[0]=m_Data[0];
dst[1]=m_Data[3];
dst[2]=m_Data[2];
dst[3]=m_Data[1];
}
private:
int m_Data[4];
};
struct BlendShape8
{
public:
BlendShape8() {}
BlendShape8(int a,int b,int c,int d,int e,int f,int g,int h) {
m_Data[0]=a; m_Data[1]=b; m_Data[2]=c; m_Data[3]=d;
m_Data[4]=e; m_Data[5]=f; m_Data[6]=g; m_Data[7]=h;
}
int& operator[](int index) { return m_Data[index]; }
const int& operator[](int index) const { return m_Data[index]; }
bool operator==(const BlendShape8& lhs) const {
return memcmp(m_Data,lhs.m_Data,sizeof(BlendShape8))==0;
}
void Rotate90(BlendShape8& dst) const {
dst[0]=m_Data[6];
dst[1]=m_Data[7];
dst[2]=m_Data[0];
dst[3]=m_Data[1];
dst[4]=m_Data[2];
dst[5]=m_Data[3];
dst[6]=m_Data[4];
dst[7]=m_Data[5];
}
void Rotate180(BlendShape8& dst) const {
dst[0]=m_Data[4];
dst[1]=m_Data[5];
dst[2]=m_Data[6];
dst[3]=m_Data[7];
dst[4]=m_Data[0];
dst[5]=m_Data[1];
dst[6]=m_Data[2];
dst[7]=m_Data[3];
}
void Rotate270(BlendShape8& dst) const {
dst[0]=m_Data[2];
dst[1]=m_Data[3];
dst[2]=m_Data[4];
dst[3]=m_Data[5];
dst[4]=m_Data[6];
dst[5]=m_Data[7];
dst[6]=m_Data[0];
dst[7]=m_Data[1];
}
void FlipU(BlendShape8& dst) const {
dst[0]=m_Data[4];
dst[1]=m_Data[3];
dst[2]=m_Data[2];
dst[3]=m_Data[1];
dst[4]=m_Data[0];
dst[5]=m_Data[7];
dst[6]=m_Data[6];
dst[7]=m_Data[5];
}
void FlipV(BlendShape8& dst) const {
dst[0]=m_Data[0];
dst[1]=m_Data[7];
dst[2]=m_Data[6];
dst[3]=m_Data[5];
dst[4]=m_Data[4];
dst[5]=m_Data[3];
dst[6]=m_Data[2];
dst[7]=m_Data[1];
}
private:
int m_Data[8];
};
#endif
///////////////////////////////////////////////////////////////////////////////
//
// Name: BlendShapes.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _BLENDSHAPES_H
#define _BLENDSHAPES_H
struct BlendShape4
{
public:
BlendShape4() {}
BlendShape4(int a,int b,int c,int d) {
m_Data[0]=a; m_Data[1]=b; m_Data[2]=c; m_Data[3]=d;
}
int& operator[](int index) { return m_Data[index]; }
const int& operator[](int index) const { return m_Data[index]; }
bool operator==(const BlendShape4& lhs) const {
return memcmp(m_Data,lhs.m_Data,sizeof(BlendShape4))==0;
}
void Rotate90(BlendShape4& dst) const {
dst[0]=m_Data[3];
dst[1]=m_Data[0];
dst[2]=m_Data[1];
dst[3]=m_Data[2];
}
void Rotate180(BlendShape4& dst) const {
dst[0]=m_Data[2];
dst[1]=m_Data[3];
dst[2]=m_Data[0];
dst[3]=m_Data[1];
}
void Rotate270(BlendShape4& dst) const {
dst[0]=m_Data[1];
dst[1]=m_Data[2];
dst[2]=m_Data[3];
dst[3]=m_Data[0];
}
void FlipU(BlendShape4& dst) const {
dst[0]=m_Data[2];
dst[1]=m_Data[1];
dst[2]=m_Data[0];
dst[3]=m_Data[3];
}
void FlipV(BlendShape4& dst) const {
dst[0]=m_Data[0];
dst[1]=m_Data[3];
dst[2]=m_Data[2];
dst[3]=m_Data[1];
}
private:
int m_Data[4];
};
struct BlendShape8
{
public:
BlendShape8() {}
BlendShape8(int a,int b,int c,int d,int e,int f,int g,int h) {
m_Data[0]=a; m_Data[1]=b; m_Data[2]=c; m_Data[3]=d;
m_Data[4]=e; m_Data[5]=f; m_Data[6]=g; m_Data[7]=h;
}
int& operator[](int index) { return m_Data[index]; }
const int& operator[](int index) const { return m_Data[index]; }
bool operator==(const BlendShape8& lhs) const {
return memcmp(m_Data,lhs.m_Data,sizeof(BlendShape8))==0;
}
void Rotate90(BlendShape8& dst) const {
dst[0]=m_Data[6];
dst[1]=m_Data[7];
dst[2]=m_Data[0];
dst[3]=m_Data[1];
dst[4]=m_Data[2];
dst[5]=m_Data[3];
dst[6]=m_Data[4];
dst[7]=m_Data[5];
}
void Rotate180(BlendShape8& dst) const {
dst[0]=m_Data[4];
dst[1]=m_Data[5];
dst[2]=m_Data[6];
dst[3]=m_Data[7];
dst[4]=m_Data[0];
dst[5]=m_Data[1];
dst[6]=m_Data[2];
dst[7]=m_Data[3];
}
void Rotate270(BlendShape8& dst) const {
dst[0]=m_Data[2];
dst[1]=m_Data[3];
dst[2]=m_Data[4];
dst[3]=m_Data[5];
dst[4]=m_Data[6];
dst[5]=m_Data[7];
dst[6]=m_Data[0];
dst[7]=m_Data[1];
}
void FlipU(BlendShape8& dst) const {
dst[0]=m_Data[4];
dst[1]=m_Data[3];
dst[2]=m_Data[2];
dst[3]=m_Data[1];
dst[4]=m_Data[0];
dst[5]=m_Data[7];
dst[6]=m_Data[6];
dst[7]=m_Data[5];
}
void FlipV(BlendShape8& dst) const {
dst[0]=m_Data[0];
dst[1]=m_Data[7];
dst[2]=m_Data[6];
dst[3]=m_Data[5];
dst[4]=m_Data[4];
dst[5]=m_Data[3];
dst[6]=m_Data[2];
dst[7]=m_Data[1];
}
private:
int m_Data[8];
};
#endif

324
source/terrain/Bound.cpp
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///////////////////////////////////////////////////////////////////////////////
//
// Name: Bound.cpp
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
// necessary includes
#include <assert.h>
#include <float.h>
#include "Bound.h"
///////////////////////////////////////////////////////////////////////////////
// operator+=: extend this bound to include given bound
CBound& CBound::operator+=(const CBound& b)
{
for (int i=0;i<3;++i) {
if (b[0][i]<m_Data[0][i])
m_Data[0][i]=b[0][i];
if (b[1][i]>m_Data[1][i])
m_Data[1][i]=b[1][i];
}
return *this;
}
///////////////////////////////////////////////////////////////////////////////
// operator+=: extend this bound to include given point
CBound& CBound::operator+=(const CVector3D& pt)
{
for (int i=0;i<3;++i) {
if (pt[i]<m_Data[0][i])
m_Data[0][i]=pt[i];
else if (pt[i]>m_Data[1][i])
m_Data[1][i]=pt[i];
}
return *this;
}
///////////////////////////////////////////////////////////////////////////////
// RayIntersect: intersect ray with this bound; return true
// if ray hits (and store entry and exit times), or false
// otherwise
// note: incoming ray direction must be normalised
bool CBound::RayIntersect(const CVector3D& origin,const CVector3D& dir,
float& tmin,float& tmax) const
{
float t1,t2;
float tnear,tfar;
if (dir[0]==0) {
if (origin[0]<m_Data[0][0] || origin[0]>m_Data[1][0])
return false;
else {
tnear=(float) FLT_MIN;
tfar=(float) FLT_MAX;
}
} else {
t1=(m_Data[0][0]-origin[0])/dir[0];
t2=(m_Data[1][0]-origin[0])/dir[0];
if (dir[0]<0) {
tnear = t2;
tfar = t1;
} else {
tnear = t1;
tfar = t2;
}
if (tfar<0)
return false;
}
if (dir[1]==0 && (origin[1]<m_Data[0][1] || origin[1]>m_Data[1][1]))
return false;
else {
t1=(m_Data[0][1]-origin[1])/dir[1];
t2=(m_Data[1][1]-origin[1])/dir[1];
if (dir[1]<0) {
if (t2>tnear)
tnear = t2;
if (t1<tfar)
tfar = t1;
} else {
if (t1>tnear)
tnear = t1;
if (t2<tfar)
tfar = t2;
}
if (tnear>tfar || tfar<0)
return false;
}
if (dir[2]==0 && (origin[2]<m_Data[0][2] || origin[2]>m_Data[1][2]))
return false;
else {
t1=(m_Data[0][2]-origin[2])/dir[2];
t2=(m_Data[1][2]-origin[2])/dir[2];
if (dir[2]<0) {
if (t2>tnear)
tnear = t2;
if (t1<tfar)
tfar = t1;
} else {
if (t1>tnear)
tnear = t1;
if (t2<tfar)
tfar = t2;
}
if (tnear>tfar || tfar<0)
return false;
}
tmin=tnear;
tmax=tfar;
return true;
}
///////////////////////////////////////////////////////////////////////////////
// SetEmpty: initialise this bound as empty
void CBound::SetEmpty()
{
m_Data[0]=CVector3D(FLT_MAX,FLT_MAX,FLT_MAX);
m_Data[1]=CVector3D(FLT_MIN,FLT_MIN,FLT_MIN);
}
///////////////////////////////////////////////////////////////////////////////
// Transform: transform this bound by given matrix; return transformed bound
// in 'result' parameter - slightly modified version of code in Graphic Gems
// (can't remember which one it was, though)
void CBound::Transform(const CMatrix3D& m,CBound& result) const
{
assert(this!=&result);
for (int i=0;i<3;++i) {
// handle translation
result[0][i]=result[1][i]=m(3,i);
// Now find the extreme points by considering the product of the
// min and max with each component of matrix
for(int j=0;j<3;j++) {
float a=m(i,j)*m_Data[0][j];
float b=m(i,j)*m_Data[1][j];
if (a<b) {
result[0][i]+=a;
result[1][i]+=b;
} else {
result[0][i]+=b;
result[1][i]+=a;
}
}
}
}
///////////////////////////////////////////////////////////////////////////////
//
// Name: Bound.cpp
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
// necessary includes
#include <assert.h>
#include <float.h>
#include "Bound.h"
///////////////////////////////////////////////////////////////////////////////
// operator+=: extend this bound to include given bound
CBound& CBound::operator+=(const CBound& b)
{
for (int i=0;i<3;++i) {
if (b[0][i]<m_Data[0][i])
m_Data[0][i]=b[0][i];
if (b[1][i]>m_Data[1][i])
m_Data[1][i]=b[1][i];
}
return *this;
}
///////////////////////////////////////////////////////////////////////////////
// operator+=: extend this bound to include given point
CBound& CBound::operator+=(const CVector3D& pt)
{
for (int i=0;i<3;++i) {
if (pt[i]<m_Data[0][i])
m_Data[0][i]=pt[i];
else if (pt[i]>m_Data[1][i])
m_Data[1][i]=pt[i];
}
return *this;
}
///////////////////////////////////////////////////////////////////////////////
// RayIntersect: intersect ray with this bound; return true
// if ray hits (and store entry and exit times), or false
// otherwise
// note: incoming ray direction must be normalised
bool CBound::RayIntersect(const CVector3D& origin,const CVector3D& dir,
float& tmin,float& tmax) const
{
float t1,t2;
float tnear,tfar;
if (dir[0]==0) {
if (origin[0]<m_Data[0][0] || origin[0]>m_Data[1][0])
return false;
else {
tnear=(float) FLT_MIN;
tfar=(float) FLT_MAX;
}
} else {
t1=(m_Data[0][0]-origin[0])/dir[0];
t2=(m_Data[1][0]-origin[0])/dir[0];
if (dir[0]<0) {
tnear = t2;
tfar = t1;
} else {
tnear = t1;
tfar = t2;
}
if (tfar<0)
return false;
}
if (dir[1]==0 && (origin[1]<m_Data[0][1] || origin[1]>m_Data[1][1]))
return false;
else {
t1=(m_Data[0][1]-origin[1])/dir[1];
t2=(m_Data[1][1]-origin[1])/dir[1];
if (dir[1]<0) {
if (t2>tnear)
tnear = t2;
if (t1<tfar)
tfar = t1;
} else {
if (t1>tnear)
tnear = t1;
if (t2<tfar)
tfar = t2;
}
if (tnear>tfar || tfar<0)
return false;
}
if (dir[2]==0 && (origin[2]<m_Data[0][2] || origin[2]>m_Data[1][2]))
return false;
else {
t1=(m_Data[0][2]-origin[2])/dir[2];
t2=(m_Data[1][2]-origin[2])/dir[2];
if (dir[2]<0) {
if (t2>tnear)
tnear = t2;
if (t1<tfar)
tfar = t1;
} else {
if (t1>tnear)
tnear = t1;
if (t2<tfar)
tfar = t2;
}
if (tnear>tfar || tfar<0)
return false;
}
tmin=tnear;
tmax=tfar;
return true;
}
///////////////////////////////////////////////////////////////////////////////
// SetEmpty: initialise this bound as empty
void CBound::SetEmpty()
{
m_Data[0]=CVector3D(FLT_MAX,FLT_MAX,FLT_MAX);
m_Data[1]=CVector3D(FLT_MIN,FLT_MIN,FLT_MIN);
}
///////////////////////////////////////////////////////////////////////////////
// Transform: transform this bound by given matrix; return transformed bound
// in 'result' parameter - slightly modified version of code in Graphic Gems
// (can't remember which one it was, though)
void CBound::Transform(const CMatrix3D& m,CBound& result) const
{
assert(this!=&result);
for (int i=0;i<3;++i) {
// handle translation
result[0][i]=result[1][i]=m(3,i);
// Now find the extreme points by considering the product of the
// min and max with each component of matrix
for(int j=0;j<3;j++) {
float a=m(i,j)*m_Data[0][j];
float b=m(i,j)*m_Data[1][j];
if (a<b) {
result[0][i]+=a;
result[1][i]+=b;
} else {
result[0][i]+=b;
result[1][i]+=a;
}
}
}
}

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source/terrain/Bound.h
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///////////////////////////////////////////////////////////////////////////////
//
// Name: Bound.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _BOUND_H
#define _BOUND_H
// necessary includes
#include "Vector3D.h"
#include "Matrix3D.h"
///////////////////////////////////////////////////////////////////////////////
// CBound: basic axis aligned bounding box class
class CBound
{
public:
CBound() {}
CBound(const CVector3D& min,const CVector3D& max) {
m_Data[0]=min; m_Data[1]=max;
}
void Transform(const CMatrix3D& m,CBound& result) const;
CVector3D& operator[](int index) { return m_Data[index]; }
const CVector3D& operator[](int index) const { return m_Data[index]; }
void SetEmpty();
CBound& operator+=(const CBound& b);
CBound& operator+=(const CVector3D& pt);
bool RayIntersect(const CVector3D& origin,const CVector3D& dir,float& tmin,float& tmax) const;
float GetVolume() const {
CVector3D v=m_Data[1]-m_Data[0];
return v.X*v.Y*v.Z;
}
private:
CVector3D m_Data[2];
};
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#endif
///////////////////////////////////////////////////////////////////////////////
//
// Name: Bound.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _BOUND_H
#define _BOUND_H
// necessary includes
#include "Vector3D.h"
#include "Matrix3D.h"
///////////////////////////////////////////////////////////////////////////////
// CBound: basic axis aligned bounding box class
class CBound
{
public:
CBound() {}
CBound(const CVector3D& min,const CVector3D& max) {
m_Data[0]=min; m_Data[1]=max;
}
void Transform(const CMatrix3D& m,CBound& result) const;
CVector3D& operator[](int index) { return m_Data[index]; }
const CVector3D& operator[](int index) const { return m_Data[index]; }
void SetEmpty();
CBound& operator+=(const CBound& b);
CBound& operator+=(const CVector3D& pt);
bool RayIntersect(const CVector3D& origin,const CVector3D& dir,float& tmin,float& tmax) const;
float GetVolume() const {
CVector3D v=m_Data[1]-m_Data[0];
return v.X*v.Y*v.Z;
}
private:
CVector3D m_Data[2];
};
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#endif

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source/terrain/Camera.cpp
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@ -1,108 +1,108 @@
//***********************************************************
//
// Name: Camera.Cpp
// Last Update: 24/2/02
// Author: Poya Manouchehri
//
// Description: CCamera holds a view and a projection matrix.
// It also has a frustum which can be used to
// cull objects for rendering.
//
//***********************************************************
#include "Camera.h"
CCamera::CCamera ()
{
// set viewport to something anything should handle, but should be initialised
// to window size before use
m_ViewPort.m_X = 0;
m_ViewPort.m_Y = 0;
m_ViewPort.m_Width = 800;
m_ViewPort.m_Height = 600;
}
CCamera::~CCamera ()
{
}
void CCamera::SetProjection (float nearp, float farp, float fov)
{
float h, w, Q;
m_NearPlane = nearp;
m_FarPlane = farp;
m_FOV = fov;
float Aspect = (float)m_ViewPort.m_Width/(float)m_ViewPort.m_Height;
w = 1/tanf (fov*0.5f*Aspect);
h = 1/tanf (fov*0.5f);
Q = m_FarPlane / (m_FarPlane - m_NearPlane);
m_ProjMat.SetZero ();
m_ProjMat._11 = w;
m_ProjMat._22 = h;
m_ProjMat._33 = Q;
m_ProjMat._34 = -Q*m_NearPlane;
m_ProjMat._43 = 1.0f;
}
//Updates the frustum planes. Should be called
//everytime the view or projection matrices are
//altered.
void CCamera::UpdateFrustum ()
{
CMatrix3D MatFinal;
CMatrix3D MatView;
m_Orientation.GetInverse(MatView);
MatFinal = m_ProjMat * MatView;
//get the RIGHT plane
m_ViewFrustum.SetNumPlanes (6);
m_ViewFrustum.m_aPlanes[0].m_Norm.X = MatFinal._41-MatFinal._11;
m_ViewFrustum.m_aPlanes[0].m_Norm.Y = MatFinal._42-MatFinal._12;
m_ViewFrustum.m_aPlanes[0].m_Norm.Z = MatFinal._43-MatFinal._13;
m_ViewFrustum.m_aPlanes[0].m_Dist = MatFinal._44-MatFinal._14;
//get the LEFT plane
m_ViewFrustum.m_aPlanes[1].m_Norm.X = MatFinal._41+MatFinal._11;
m_ViewFrustum.m_aPlanes[1].m_Norm.Y = MatFinal._42+MatFinal._12;
m_ViewFrustum.m_aPlanes[1].m_Norm.Z = MatFinal._43+MatFinal._13;
m_ViewFrustum.m_aPlanes[1].m_Dist = MatFinal._44+MatFinal._14;
//get the BOTTOM plane
m_ViewFrustum.m_aPlanes[2].m_Norm.X = MatFinal._41+MatFinal._21;
m_ViewFrustum.m_aPlanes[2].m_Norm.Y = MatFinal._42+MatFinal._22;
m_ViewFrustum.m_aPlanes[2].m_Norm.Z = MatFinal._43+MatFinal._23;
m_ViewFrustum.m_aPlanes[2].m_Dist = MatFinal._44+MatFinal._24;
//get the TOP plane
m_ViewFrustum.m_aPlanes[3].m_Norm.X = MatFinal._41-MatFinal._21;
m_ViewFrustum.m_aPlanes[3].m_Norm.Y = MatFinal._42-MatFinal._22;
m_ViewFrustum.m_aPlanes[3].m_Norm.Z = MatFinal._43-MatFinal._23;
m_ViewFrustum.m_aPlanes[3].m_Dist = MatFinal._44-MatFinal._24;
//get the FAR plane
m_ViewFrustum.m_aPlanes[4].m_Norm.X = MatFinal._41-MatFinal._31;
m_ViewFrustum.m_aPlanes[4].m_Norm.Y = MatFinal._42-MatFinal._32;
m_ViewFrustum.m_aPlanes[4].m_Norm.Z = MatFinal._43-MatFinal._33;
m_ViewFrustum.m_aPlanes[4].m_Dist = MatFinal._44-MatFinal._34;
//get the NEAR plane
m_ViewFrustum.m_aPlanes[5].m_Norm.X = MatFinal._41+MatFinal._31;
m_ViewFrustum.m_aPlanes[5].m_Norm.Y = MatFinal._42+MatFinal._32;
m_ViewFrustum.m_aPlanes[5].m_Norm.Z = MatFinal._43+MatFinal._33;
m_ViewFrustum.m_aPlanes[5].m_Dist = MatFinal._44+MatFinal._34;
}
void CCamera::SetViewPort (SViewPort *viewport)
{
m_ViewPort.m_X = viewport->m_X;
m_ViewPort.m_Y = viewport->m_Y;
m_ViewPort.m_Width = viewport->m_Width;
m_ViewPort.m_Height = viewport->m_Height;
}
//***********************************************************
//
// Name: Camera.Cpp
// Last Update: 24/2/02
// Author: Poya Manouchehri
//
// Description: CCamera holds a view and a projection matrix.
// It also has a frustum which can be used to
// cull objects for rendering.
//
//***********************************************************
#include "Camera.h"
CCamera::CCamera ()
{
// set viewport to something anything should handle, but should be initialised
// to window size before use
m_ViewPort.m_X = 0;
m_ViewPort.m_Y = 0;
m_ViewPort.m_Width = 800;
m_ViewPort.m_Height = 600;
}
CCamera::~CCamera ()
{
}
void CCamera::SetProjection (float nearp, float farp, float fov)
{
float h, w, Q;
m_NearPlane = nearp;
m_FarPlane = farp;
m_FOV = fov;
float Aspect = (float)m_ViewPort.m_Width/(float)m_ViewPort.m_Height;
w = 1/tanf (fov*0.5f*Aspect);
h = 1/tanf (fov*0.5f);
Q = m_FarPlane / (m_FarPlane - m_NearPlane);
m_ProjMat.SetZero ();
m_ProjMat._11 = w;
m_ProjMat._22 = h;
m_ProjMat._33 = Q;
m_ProjMat._34 = -Q*m_NearPlane;
m_ProjMat._43 = 1.0f;
}
//Updates the frustum planes. Should be called
//everytime the view or projection matrices are
//altered.
void CCamera::UpdateFrustum ()
{
CMatrix3D MatFinal;
CMatrix3D MatView;
m_Orientation.GetInverse(MatView);
MatFinal = m_ProjMat * MatView;
//get the RIGHT plane
m_ViewFrustum.SetNumPlanes (6);
m_ViewFrustum.m_aPlanes[0].m_Norm.X = MatFinal._41-MatFinal._11;
m_ViewFrustum.m_aPlanes[0].m_Norm.Y = MatFinal._42-MatFinal._12;
m_ViewFrustum.m_aPlanes[0].m_Norm.Z = MatFinal._43-MatFinal._13;
m_ViewFrustum.m_aPlanes[0].m_Dist = MatFinal._44-MatFinal._14;
//get the LEFT plane
m_ViewFrustum.m_aPlanes[1].m_Norm.X = MatFinal._41+MatFinal._11;
m_ViewFrustum.m_aPlanes[1].m_Norm.Y = MatFinal._42+MatFinal._12;
m_ViewFrustum.m_aPlanes[1].m_Norm.Z = MatFinal._43+MatFinal._13;
m_ViewFrustum.m_aPlanes[1].m_Dist = MatFinal._44+MatFinal._14;
//get the BOTTOM plane
m_ViewFrustum.m_aPlanes[2].m_Norm.X = MatFinal._41+MatFinal._21;
m_ViewFrustum.m_aPlanes[2].m_Norm.Y = MatFinal._42+MatFinal._22;
m_ViewFrustum.m_aPlanes[2].m_Norm.Z = MatFinal._43+MatFinal._23;
m_ViewFrustum.m_aPlanes[2].m_Dist = MatFinal._44+MatFinal._24;
//get the TOP plane
m_ViewFrustum.m_aPlanes[3].m_Norm.X = MatFinal._41-MatFinal._21;
m_ViewFrustum.m_aPlanes[3].m_Norm.Y = MatFinal._42-MatFinal._22;
m_ViewFrustum.m_aPlanes[3].m_Norm.Z = MatFinal._43-MatFinal._23;
m_ViewFrustum.m_aPlanes[3].m_Dist = MatFinal._44-MatFinal._24;
//get the FAR plane
m_ViewFrustum.m_aPlanes[4].m_Norm.X = MatFinal._41-MatFinal._31;
m_ViewFrustum.m_aPlanes[4].m_Norm.Y = MatFinal._42-MatFinal._32;
m_ViewFrustum.m_aPlanes[4].m_Norm.Z = MatFinal._43-MatFinal._33;
m_ViewFrustum.m_aPlanes[4].m_Dist = MatFinal._44-MatFinal._34;
//get the NEAR plane
m_ViewFrustum.m_aPlanes[5].m_Norm.X = MatFinal._41+MatFinal._31;
m_ViewFrustum.m_aPlanes[5].m_Norm.Y = MatFinal._42+MatFinal._32;
m_ViewFrustum.m_aPlanes[5].m_Norm.Z = MatFinal._43+MatFinal._33;
m_ViewFrustum.m_aPlanes[5].m_Dist = MatFinal._44+MatFinal._34;
}
void CCamera::SetViewPort (SViewPort *viewport)
{
m_ViewPort.m_X = viewport->m_X;
m_ViewPort.m_Y = viewport->m_Y;
m_ViewPort.m_Width = viewport->m_Width;
m_ViewPort.m_Height = viewport->m_Height;
}

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@ -1,72 +1,72 @@
//***********************************************************
//
// Name: Camera.H
// Last Update: 24/2/02
// Author: Poya Manouchehri
//
// Description: CCamera holds a view and a projection matrix.
// It also has a frustum which can be used to
// cull objects for rendering.
//
//***********************************************************
#ifndef CAMERA_H
#define CAMERA_H
#include "Frustum.h"
#include "Matrix3D.h"
//view port
struct SViewPort
{
unsigned int m_X;
unsigned int m_Y;
unsigned int m_Width;
unsigned int m_Height;
};
class CCamera
{
public:
CCamera ();
~CCamera ();
//Methods for projection
void SetProjection (CMatrix3D *proj) { m_ProjMat = *proj; }
void SetProjection (float nearp, float farp, float fov);
CMatrix3D GetProjection () { return m_ProjMat; }
//Updates the frustum planes. Should be called
//everytime the view or projection matrices are
//altered.
void UpdateFrustum ();
CFrustum GetFustum () { return m_ViewFrustum; }
void SetViewPort (SViewPort *viewport);
SViewPort GetViewPort () { return m_ViewPort; }
//getters
float GetNearPlane () { return m_NearPlane; }
float GetFarPlane () { return m_FarPlane; }
float GetFOV () { return m_FOV; }
public:
//This is the orientation matrix. The inverse of this
//is the view matrix
CMatrix3D m_Orientation;
private:
//keep the projection matrix private
//so we can't fiddle with it.
CMatrix3D m_ProjMat;
float m_NearPlane;
float m_FarPlane;
float m_FOV;
SViewPort m_ViewPort;
CFrustum m_ViewFrustum;
};
#endif
//***********************************************************
//
// Name: Camera.H
// Last Update: 24/2/02
// Author: Poya Manouchehri
//
// Description: CCamera holds a view and a projection matrix.
// It also has a frustum which can be used to
// cull objects for rendering.
//
//***********************************************************
#ifndef CAMERA_H
#define CAMERA_H
#include "Frustum.h"
#include "Matrix3D.h"
//view port
struct SViewPort
{
unsigned int m_X;
unsigned int m_Y;
unsigned int m_Width;
unsigned int m_Height;
};
class CCamera
{
public:
CCamera ();
~CCamera ();
//Methods for projection
void SetProjection (CMatrix3D *proj) { m_ProjMat = *proj; }
void SetProjection (float nearp, float farp, float fov);
CMatrix3D GetProjection () { return m_ProjMat; }
//Updates the frustum planes. Should be called
//everytime the view or projection matrices are
//altered.
void UpdateFrustum ();
CFrustum GetFustum () { return m_ViewFrustum; }
void SetViewPort (SViewPort *viewport);
SViewPort GetViewPort () { return m_ViewPort; }
//getters
float GetNearPlane () { return m_NearPlane; }
float GetFarPlane () { return m_FarPlane; }
float GetFOV () { return m_FOV; }
public:
//This is the orientation matrix. The inverse of this
//is the view matrix
CMatrix3D m_Orientation;
private:
//keep the projection matrix private
//so we can't fiddle with it.
CMatrix3D m_ProjMat;
float m_NearPlane;
float m_FarPlane;
float m_FOV;
SViewPort m_ViewPort;
CFrustum m_ViewFrustum;
};
#endif

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source/terrain/Color.h
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@ -1,30 +1,30 @@
///////////////////////////////////////////////////////////////////////////////
//
// Name: Color.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _COLOR_H
#define _COLOR_H
#include "Vector3D.h"
#include "Vector4D.h"
// simple defines for 3 and 4 component floating point colors - just map to
// corresponding vector types
typedef CVector3D RGBColor;
typedef CVector4D RGBAColor;
// SColor4ub: structure for packed RGBA colors
struct SColor4ub
{
u8 R;
u8 G;
u8 B;
u8 A;
};
#endif
///////////////////////////////////////////////////////////////////////////////
//
// Name: Color.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _COLOR_H
#define _COLOR_H
#include "Vector3D.h"
#include "Vector4D.h"
// simple defines for 3 and 4 component floating point colors - just map to
// corresponding vector types
typedef CVector3D RGBColor;
typedef CVector4D RGBAColor;
// SColor4ub: structure for packed RGBA colors
struct SColor4ub
{
u8 R;
u8 G;
u8 B;
u8 A;
};
#endif

152
source/terrain/FilePacker.cpp
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@ -1,76 +1,76 @@
///////////////////////////////////////////////////////////////////////////////
//
// Name: FilePacker.cpp
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#include "FilePacker.h"
#include <stdio.h>
////////////////////////////////////////////////////////////////////////////////////////
// CFilePacker constructor
CFilePacker::CFilePacker()
{
}
////////////////////////////////////////////////////////////////////////////////////////
// Write: write out any packed data to file, using given version and magic bits
void CFilePacker::Write(const char* filename,u32 version,const char magicstr[4])
{
FILE* fp=fopen(filename,"wb");
if (!fp) {
throw CFileOpenError();
}
// write magic bits
if (fwrite(magicstr,sizeof(char)*4,1,fp)!=1) {
fclose(fp);
throw CFileWriteError();
}
// write version
if (fwrite(&version,sizeof(version),1,fp)!=1) {
fclose(fp);
throw CFileWriteError();
}
// get size of data
u32 datasize=m_Data.size();
if (fwrite(&datasize,sizeof(datasize),1,fp)!=1) {
fclose(fp);
throw CFileWriteError();
}
// write out one big chunk of data
if (fwrite(&m_Data[0],datasize,1,fp)!=1) {
fclose(fp);
throw CFileWriteError();
}
// all done
fclose(fp);
}
////////////////////////////////////////////////////////////////////////////////////////
// PackRaw: pack given number of bytes onto the end of the data stream
void CFilePacker::PackRaw(const void* rawdata,u32 rawdatalen)
{
u32 start=m_Data.size();
m_Data.resize(m_Data.size()+rawdatalen);
memcpy(&m_Data[start],rawdata,rawdatalen);
}
////////////////////////////////////////////////////////////////////////////////////////
// PackString: pack a string onto the end of the data stream
void CFilePacker::PackString(const CStr& str)
{
u32 len=str.Length();
PackRaw(&len,sizeof(len));
PackRaw((const char*) str,len);
}
///////////////////////////////////////////////////////////////////////////////
//
// Name: FilePacker.cpp
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#include "FilePacker.h"
#include <stdio.h>
////////////////////////////////////////////////////////////////////////////////////////
// CFilePacker constructor
CFilePacker::CFilePacker()
{
}
////////////////////////////////////////////////////////////////////////////////////////
// Write: write out any packed data to file, using given version and magic bits
void CFilePacker::Write(const char* filename,u32 version,const char magicstr[4])
{
FILE* fp=fopen(filename,"wb");
if (!fp) {
throw CFileOpenError();
}
// write magic bits
if (fwrite(magicstr,sizeof(char)*4,1,fp)!=1) {
fclose(fp);
throw CFileWriteError();
}
// write version
if (fwrite(&version,sizeof(version),1,fp)!=1) {
fclose(fp);
throw CFileWriteError();
}
// get size of data
u32 datasize=m_Data.size();
if (fwrite(&datasize,sizeof(datasize),1,fp)!=1) {
fclose(fp);
throw CFileWriteError();
}
// write out one big chunk of data
if (fwrite(&m_Data[0],datasize,1,fp)!=1) {
fclose(fp);
throw CFileWriteError();
}
// all done
fclose(fp);
}
////////////////////////////////////////////////////////////////////////////////////////
// PackRaw: pack given number of bytes onto the end of the data stream
void CFilePacker::PackRaw(const void* rawdata,u32 rawdatalen)
{
u32 start=m_Data.size();
m_Data.resize(m_Data.size()+rawdatalen);
memcpy(&m_Data[start],rawdata,rawdatalen);
}
////////////////////////////////////////////////////////////////////////////////////////
// PackString: pack a string onto the end of the data stream
void CFilePacker::PackString(const CStr& str)
{
u32 len=str.Length();
PackRaw(&len,sizeof(len));
PackRaw((const char*) str,len);
}

84
source/terrain/FilePacker.h
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@ -1,43 +1,43 @@
///////////////////////////////////////////////////////////////////////////////
//
// Name: FilePacker.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _FILEPACKER_H
#define _FILEPACKER_H
#include <vector>
#include "res/res.h"
#include "CStr.h"
////////////////////////////////////////////////////////////////////////////////////////
// CFilePacker: class to assist in writing of binary files
class CFilePacker
{
public:
// CFilePacker exceptions
class CError { };
class CFileOpenError : public CError { };
class CFileWriteError : public CError { };
public:
// constructor
CFilePacker();
// Write: write out any packed data to file, using given version and magic bits
void Write(const char* filename,u32 version,const char magicstr[4]);
// PackRaw: pack given number of bytes onto the end of the data stream
void PackRaw(const void* rawdata,u32 rawdatalen);
// PackString: pack a string onto the end of the data stream
void PackString(const CStr& str);
private:
// the output data stream built during pack operations
std::vector<u8> m_Data;
};
///////////////////////////////////////////////////////////////////////////////
//
// Name: FilePacker.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _FILEPACKER_H
#define _FILEPACKER_H
#include <vector>
#include "res/res.h"
#include "CStr.h"
////////////////////////////////////////////////////////////////////////////////////////
// CFilePacker: class to assist in writing of binary files
class CFilePacker
{
public:
// CFilePacker exceptions
class CError { };
class CFileOpenError : public CError { };
class CFileWriteError : public CError { };
public:
// constructor
CFilePacker();
// Write: write out any packed data to file, using given version and magic bits
void Write(const char* filename,u32 version,const char magicstr[4]);
// PackRaw: pack given number of bytes onto the end of the data stream
void PackRaw(const void* rawdata,u32 rawdatalen);
// PackString: pack a string onto the end of the data stream
void PackString(const CStr& str);
private:
// the output data stream built during pack operations
std::vector<u8> m_Data;
};
#endif

202
source/terrain/FileUnpacker.cpp
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@ -1,101 +1,101 @@
///////////////////////////////////////////////////////////////////////////////
//
// Name: FileUnpacker.cpp
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#include "FileUnpacker.h"
#include <stdio.h>
////////////////////////////////////////////////////////////////////////////////////////
// CFileUnpacker constructor
CFileUnpacker::CFileUnpacker() : m_UnpackPos(0), m_Version(0)
{
}
////////////////////////////////////////////////////////////////////////////////////////
// Read: open and read in given file, check magic bits against those given; throw
// variety of exceptions for missing files etc
void CFileUnpacker::Read(const char* filename,const char magicstr[4])
{
FILE* fp=fopen(filename,"rb");
if (!fp) {
throw CFileOpenError();
}
// read magic bits
char magic[4];
if (fread(magic,sizeof(char)*4,1,fp)!=1) {
fclose(fp);
throw CFileReadError();
}
// check we've got the right kind of file
if (strncmp(magic,magicstr,4)!=0) {
// nope ..
fclose(fp);
throw CFileTypeError();
}
// get version
if (fread(&m_Version,sizeof(m_Version),1,fp)!=1) {
fclose(fp);
throw CFileReadError();
}
// get size of anim data
u32 datasize;
if (fread(&datasize,sizeof(datasize),1,fp)!=1) {
fclose(fp);
throw CFileReadError();
}
// allocate memory and read in a big chunk of data
m_Data.resize(datasize);
if (fread(&m_Data[0],datasize,1,fp)!=1) {
fclose(fp);
throw CFileReadError();
}
// all done
fclose(fp);
}
////////////////////////////////////////////////////////////////////////////////////////
// UnpackRaw: unpack given number of bytes from the input stream into the given array
// - throws CFileEOFError if the end of the data stream is reached before the given
// number of bytes have been read
void CFileUnpacker::UnpackRaw(void* rawdata,u32 rawdatalen)
{
// got enough data to unpack?
if (m_UnpackPos+rawdatalen<=m_Data.size()) {
// yes .. copy over
memcpy(rawdata,&m_Data[m_UnpackPos],rawdatalen);
// advance pointer
m_UnpackPos+=rawdatalen;
} else {
// nope - throw exception
throw CFileEOFError();
}
}
////////////////////////////////////////////////////////////////////////////////////////
// UnpackString: unpack a string from the raw data stream
void CFileUnpacker::UnpackString(CStr& result)
{
// get string length
u32 length;
UnpackRaw(&length,sizeof(length));
// read string into temporary buffer
std::vector<char> tmp;
tmp.resize(length+1);
UnpackRaw(&tmp[0],length);
tmp[length]='\0';
// assign to output
result=&tmp[0];
}
///////////////////////////////////////////////////////////////////////////////
//
// Name: FileUnpacker.cpp
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#include "FileUnpacker.h"
#include <stdio.h>
////////////////////////////////////////////////////////////////////////////////////////
// CFileUnpacker constructor
CFileUnpacker::CFileUnpacker() : m_UnpackPos(0), m_Version(0)
{
}
////////////////////////////////////////////////////////////////////////////////////////
// Read: open and read in given file, check magic bits against those given; throw
// variety of exceptions for missing files etc
void CFileUnpacker::Read(const char* filename,const char magicstr[4])
{
FILE* fp=fopen(filename,"rb");
if (!fp) {
throw CFileOpenError();
}
// read magic bits
char magic[4];
if (fread(magic,sizeof(char)*4,1,fp)!=1) {
fclose(fp);
throw CFileReadError();
}
// check we've got the right kind of file
if (strncmp(magic,magicstr,4)!=0) {
// nope ..
fclose(fp);
throw CFileTypeError();
}
// get version
if (fread(&m_Version,sizeof(m_Version),1,fp)!=1) {
fclose(fp);
throw CFileReadError();
}
// get size of anim data
u32 datasize;
if (fread(&datasize,sizeof(datasize),1,fp)!=1) {
fclose(fp);
throw CFileReadError();
}
// allocate memory and read in a big chunk of data
m_Data.resize(datasize);
if (fread(&m_Data[0],datasize,1,fp)!=1) {
fclose(fp);
throw CFileReadError();
}
// all done
fclose(fp);
}
////////////////////////////////////////////////////////////////////////////////////////
// UnpackRaw: unpack given number of bytes from the input stream into the given array
// - throws CFileEOFError if the end of the data stream is reached before the given
// number of bytes have been read
void CFileUnpacker::UnpackRaw(void* rawdata,u32 rawdatalen)
{
// got enough data to unpack?
if (m_UnpackPos+rawdatalen<=m_Data.size()) {
// yes .. copy over
memcpy(rawdata,&m_Data[m_UnpackPos],rawdatalen);
// advance pointer
m_UnpackPos+=rawdatalen;
} else {
// nope - throw exception
throw CFileEOFError();
}
}
////////////////////////////////////////////////////////////////////////////////////////
// UnpackString: unpack a string from the raw data stream
void CFileUnpacker::UnpackString(CStr& result)
{
// get string length
u32 length;
UnpackRaw(&length,sizeof(length));
// read string into temporary buffer
std::vector<char> tmp;
tmp.resize(length+1);
UnpackRaw(&tmp[0],length);
tmp[length]='\0';
// assign to output
result=&tmp[0];
}

110
source/terrain/FileUnpacker.h
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@ -1,56 +1,56 @@
///////////////////////////////////////////////////////////////////////////////
//
// Name: FileUnpacker.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _FILEUNPACKER_H
#define _FILEUNPACKER_H
#include <vector>
#include "res/res.h"
#include "CStr.h"
////////////////////////////////////////////////////////////////////////////////
// CFileUnpacker: class to assist in reading of binary files
class CFileUnpacker
{
public:
// exceptions thrown by class
class CError { };
class CFileTypeError : public CError { };
class CFileVersionError : public CError { };
class CFileOpenError : public CError { };
class CFileReadError : public CError { };
class CFileEOFError : public CError { };
public:
// constructor
CFileUnpacker();
// Read: open and read in given file, check magic bits against those given; throw
// variety of exceptions for missing files etc
void Read(const char* filename,const char magicstr[4]);
// GetVersion: return stored file version
u32 GetVersion() const { return m_Version; }
// UnpackRaw: unpack given number of bytes from the input stream into the given array
// - throws CFileEOFError if the end of the data stream is reached before the given
// number of bytes have been read
void UnpackRaw(void* rawdata,u32 rawdatalen);
// UnpackString: unpack a string from the raw data stream
void UnpackString(CStr& result);
private:
// the input data stream read from file and used during unpack operations
std::vector<u8> m_Data;
// current unpack position in stream
u32 m_UnpackPos;
// version of the file currently being read
u32 m_Version;
};
///////////////////////////////////////////////////////////////////////////////
//
// Name: FileUnpacker.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _FILEUNPACKER_H
#define _FILEUNPACKER_H
#include <vector>
#include "res/res.h"
#include "CStr.h"
////////////////////////////////////////////////////////////////////////////////
// CFileUnpacker: class to assist in reading of binary files
class CFileUnpacker
{
public:
// exceptions thrown by class
class CError { };
class CFileTypeError : public CError { };
class CFileVersionError : public CError { };
class CFileOpenError : public CError { };
class CFileReadError : public CError { };
class CFileEOFError : public CError { };
public:
// constructor
CFileUnpacker();
// Read: open and read in given file, check magic bits against those given; throw
// variety of exceptions for missing files etc
void Read(const char* filename,const char magicstr[4]);
// GetVersion: return stored file version
u32 GetVersion() const { return m_Version; }
// UnpackRaw: unpack given number of bytes from the input stream into the given array
// - throws CFileEOFError if the end of the data stream is reached before the given
// number of bytes have been read
void UnpackRaw(void* rawdata,u32 rawdatalen);
// UnpackString: unpack a string from the raw data stream
void UnpackString(CStr& result);
private:
// the input data stream read from file and used during unpack operations
std::vector<u8> m_Data;
// current unpack position in stream
u32 m_UnpackPos;
// version of the file currently being read
u32 m_Version;
};
#endif

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source/terrain/LightEnv.h
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@ -1,47 +1,47 @@
///////////////////////////////////////////////////////////////////////////////
//
// Name: LightEnv.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
// Description: class describing current lighting environment -
// at the minute, this is only sunlight and ambient light
// parameters; will be extended to handle dynamic lights at some
// later date
//
///////////////////////////////////////////////////////////////////////////////
#ifndef __LIGHTENV_H
#define __LIGHTENV_H
#include "Color.h"
#include "Vector3D.h"
///////////////////////////////////////////////////////////////////////////////
// CLightEnv: description of a lighting environment - contains all the
// necessary parameters for representation of the lighting within a scenario
class CLightEnv
{
public:
RGBColor m_SunColor;
float m_Elevation;
float m_Rotation;
RGBColor m_TerrainAmbientColor;
RGBColor m_UnitsAmbientColor;
// get sun direction from a rotation and elevation; defined such that:
// 0 rotation = (0,0,1)
// PI/2 rotation = (-1,0,0)
// 0 elevation = (0,0,0)
// PI/2 elevation = (0,-1,0)
void GetSunDirection(CVector3D& lightdir) const {
lightdir.Y=-float(sin(m_Elevation));
float scale=1+lightdir.Y;
lightdir.X=scale*float(sin(m_Rotation));
lightdir.Z=scale*float(cos(m_Rotation));
lightdir.Normalize();
}
};
#endif
///////////////////////////////////////////////////////////////////////////////
//
// Name: LightEnv.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
// Description: class describing current lighting environment -
// at the minute, this is only sunlight and ambient light
// parameters; will be extended to handle dynamic lights at some
// later date
//
///////////////////////////////////////////////////////////////////////////////
#ifndef __LIGHTENV_H
#define __LIGHTENV_H
#include "Color.h"
#include "Vector3D.h"
///////////////////////////////////////////////////////////////////////////////
// CLightEnv: description of a lighting environment - contains all the
// necessary parameters for representation of the lighting within a scenario
class CLightEnv
{
public:
RGBColor m_SunColor;
float m_Elevation;
float m_Rotation;
RGBColor m_TerrainAmbientColor;
RGBColor m_UnitsAmbientColor;
// get sun direction from a rotation and elevation; defined such that:
// 0 rotation = (0,0,1)
// PI/2 rotation = (-1,0,0)
// 0 elevation = (0,0,0)
// PI/2 elevation = (0,-1,0)
void GetSunDirection(CVector3D& lightdir) const {
lightdir.Y=-float(sin(m_Elevation));
float scale=1+lightdir.Y;
lightdir.X=scale*float(sin(m_Rotation));
lightdir.Z=scale*float(cos(m_Rotation));
lightdir.Normalize();
}
};
#endif

70
source/terrain/MapIO.h
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@ -1,35 +1,35 @@
#ifndef _MAPIO_H
#define _MAPIO_H
class CMapIO
{
public:
// current file version given to saved maps
enum { FILE_VERSION = 2 };
// supported file read version - file with version less than this will be reject
enum { FILE_READ_VERSION = 1 };
#pragma pack(push, 1)
// description of a tile for I/O purposes
struct STileDesc {
// index into the texture array of first texture on tile
u16 m_Tex1Index;
// index into the texture array of second texture; (0xffff) if none
u16 m_Tex2Index;
// priority
u32 m_Priority;
};
// description of an object for I/O purposes
struct SObjectDesc {
// index into the object array
u16 m_ObjectIndex;
// transformation matrix
float m_Transform[16];
};
#pragma pack(pop)
};
#endif
#ifndef _MAPIO_H
#define _MAPIO_H
class CMapIO
{
public:
// current file version given to saved maps
enum { FILE_VERSION = 2 };
// supported file read version - file with version less than this will be reject
enum { FILE_READ_VERSION = 1 };
#pragma pack(push, 1)
// description of a tile for I/O purposes
struct STileDesc {
// index into the texture array of first texture on tile
u16 m_Tex1Index;
// index into the texture array of second texture; (0xffff) if none
u16 m_Tex2Index;
// priority
u32 m_Priority;
};
// description of an object for I/O purposes
struct SObjectDesc {
// index into the object array
u16 m_ObjectIndex;
// transformation matrix
float m_Transform[16];
};
#pragma pack(pop)
};
#endif

359
source/terrain/MapReader.cpp
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@ -1,171 +1,188 @@
// switch off warnings before including stl files
#pragma warning(disable : 4786) // identifier truncated to 255 chars
#include "Types.h"
#include "MapReader.h"
#include "UnitManager.h"
#include "ObjectManager.h"
#include "terrain/Model.h"
#include "terrain/Terrain.h"
#include "terrain/TextureManager.h"
extern CTerrain g_Terrain;
extern CLightEnv g_LightEnv;
#include <set>
#include <stdio.h>
// CMapReader constructor: nothing to do at the minute
CMapReader::CMapReader()
{
}
// LoadMap: try to load the map from given file; reinitialise the scene to new data if successful
void CMapReader::LoadMap(const char* filename)
{
CFileUnpacker unpacker;
unpacker.Read(filename,"PSMP");
// check version
if (unpacker.GetVersion()<FILE_READ_VERSION) {
throw CFileUnpacker::CFileVersionError();
}
// unpack the data
UnpackMap(unpacker);
// finally, apply data to the world
ApplyData(unpacker);
}
// UnpackMap: unpack the given data from the raw data stream into local variables
void CMapReader::UnpackMap(CFileUnpacker& unpacker)
{
// now unpack everything into local data
UnpackTerrain(unpacker);
UnpackObjects(unpacker);
if (unpacker.GetVersion()>=2) {
UnpackLightEnv(unpacker);
}
}
// UnpackLightEnv: unpack lighting parameters from input stream
void CMapReader::UnpackLightEnv(CFileUnpacker& unpacker)
{
unpacker.UnpackRaw(&m_LightEnv.m_SunColor,sizeof(m_LightEnv.m_SunColor));
unpacker.UnpackRaw(&m_LightEnv.m_Elevation,sizeof(m_LightEnv.m_Elevation));
unpacker.UnpackRaw(&m_LightEnv.m_Rotation,sizeof(m_LightEnv.m_Rotation));
unpacker.UnpackRaw(&m_LightEnv.m_TerrainAmbientColor,sizeof(m_LightEnv.m_TerrainAmbientColor));
unpacker.UnpackRaw(&m_LightEnv.m_UnitsAmbientColor,sizeof(m_LightEnv.m_UnitsAmbientColor));
}
// UnpackObjects: unpack world objects from input stream
void CMapReader::UnpackObjects(CFileUnpacker& unpacker)
{
// unpack object types
u32 numObjTypes;
unpacker.UnpackRaw(&numObjTypes,sizeof(numObjTypes));
m_ObjectTypes.resize(numObjTypes);
for (uint i=0;i<numObjTypes;i++) {
CStr objname;
unpacker.UnpackString(objname);
CObjectEntry* object=g_ObjMan.FindObject((const char*) objname);
m_ObjectTypes[i]=object;
}
// unpack object data
u32 numObjects;
unpacker.UnpackRaw(&numObjects,sizeof(numObjects));
m_Objects.resize(numObjects);
unpacker.UnpackRaw(&m_Objects[0],sizeof(SObjectDesc)*numObjects);
}
// UnpackTerrain: unpack the terrain from the end of the input data stream
// - data: map size, heightmap, list of textures used by map, texture tile assignments
void CMapReader::UnpackTerrain(CFileUnpacker& unpacker)
{
// unpack map size
unpacker.UnpackRaw(&m_MapSize,sizeof(m_MapSize));
// unpack heightmap
u32 verticesPerSide=m_MapSize*PATCH_SIZE+1;
m_Heightmap.resize(SQR(verticesPerSide));
unpacker.UnpackRaw(&m_Heightmap[0],SQR(verticesPerSide)*sizeof(u16));
// unpack texture names; find handle for each texture
u32 numTextures;
unpacker.UnpackRaw(&numTextures,sizeof(numTextures));
m_TerrainTextures.reserve(numTextures);
for (uint i=0;i<numTextures;i++) {
CStr texturename;
unpacker.UnpackString(texturename);
Handle handle;
CTextureEntry* texentry=g_TexMan.FindTexture(texturename);
if (!texentry) {
// ack; mismatch between texture datasets?
handle=0;
} else {
handle=texentry->m_Handle;
}
m_TerrainTextures.push_back(handle);
}
// unpack tile data
u32 tilesPerSide=m_MapSize*PATCH_SIZE;
m_Tiles.resize(SQR(tilesPerSide));
unpacker.UnpackRaw(&m_Tiles[0],sizeof(STileDesc)*m_Tiles.size());
}
// ApplyData: take all the input data, and rebuild the scene from it
void CMapReader::ApplyData(CFileUnpacker& unpacker)
{
// initialise the terrain
g_Terrain.Initialize(m_MapSize,&m_Heightmap[0]);
// setup the textures on the minipatches
STileDesc* tileptr=&m_Tiles[0];
for (u32 j=0;j<m_MapSize;j++) {
for (u32 i=0;i<m_MapSize;i++) {
for (u32 m=0;m<PATCH_SIZE;m++) {
for (u32 k=0;k<PATCH_SIZE;k++) {
CMiniPatch& mp=g_Terrain.GetPatch(i,j)->m_MiniPatches[m][k];
mp.Tex1=m_TerrainTextures[tileptr->m_Tex1Index];
mp.Tex1Priority=tileptr->m_Priority;
tileptr++;
}
}
}
}
// empty out existing units
g_UnitMan.DeleteAll();
// add new objects
for (u32 i=0;i<m_Objects.size();i++) {
CObjectEntry* objentry=m_ObjectTypes[m_Objects[i].m_ObjectIndex];
if (objentry && objentry->m_Model) {
// create new unit
CUnit* unit=new CUnit;
unit->m_Object=objentry;
unit->m_Model=objentry->m_Model ? objentry->m_Model->Clone() : 0;
CMatrix3D transform;
memcpy(&transform._11,m_Objects[i].m_Transform,sizeof(float)*16);
unit->m_Model->SetTransform(transform);
// add this unit to list of units stored in unit manager
g_UnitMan.AddUnit(unit);
}
}
if (unpacker.GetVersion()>=2) {
// copy over the lighting parameters
g_LightEnv=m_LightEnv;
}
}
// switch off warnings before including stl files
#pragma warning(disable : 4786) // identifier truncated to 255 chars
#include "Types.h"
#include "MapReader.h"
#include "UnitManager.h"
#include "ObjectManager.h"
#include "BaseEntity.h"
#include "BaseEntityCollection.h"
#include "EntityManager.h"
#include "terrain/Model.h"
#include "terrain/Terrain.h"
#include "terrain/TextureManager.h"
extern CTerrain g_Terrain;
extern CLightEnv g_LightEnv;
#include <set>
#include <stdio.h>
// CMapReader constructor: nothing to do at the minute
CMapReader::CMapReader()
{
}
// LoadMap: try to load the map from given file; reinitialise the scene to new data if successful
void CMapReader::LoadMap(const char* filename)
{
CFileUnpacker unpacker;
unpacker.Read(filename,"PSMP");
// check version
if (unpacker.GetVersion()<FILE_READ_VERSION) {
throw CFileUnpacker::CFileVersionError();
}
// unpack the data
UnpackMap(unpacker);
// finally, apply data to the world
ApplyData(unpacker);
}
// UnpackMap: unpack the given data from the raw data stream into local variables
void CMapReader::UnpackMap(CFileUnpacker& unpacker)
{
// now unpack everything into local data
UnpackTerrain(unpacker);
UnpackObjects(unpacker);
if (unpacker.GetVersion()>=2) {
UnpackLightEnv(unpacker);
}
}
// UnpackLightEnv: unpack lighting parameters from input stream
void CMapReader::UnpackLightEnv(CFileUnpacker& unpacker)
{
unpacker.UnpackRaw(&m_LightEnv.m_SunColor,sizeof(m_LightEnv.m_SunColor));
unpacker.UnpackRaw(&m_LightEnv.m_Elevation,sizeof(m_LightEnv.m_Elevation));
unpacker.UnpackRaw(&m_LightEnv.m_Rotation,sizeof(m_LightEnv.m_Rotation));
unpacker.UnpackRaw(&m_LightEnv.m_TerrainAmbientColor,sizeof(m_LightEnv.m_TerrainAmbientColor));
unpacker.UnpackRaw(&m_LightEnv.m_UnitsAmbientColor,sizeof(m_LightEnv.m_UnitsAmbientColor));
}
// UnpackObjects: unpack world objects from input stream
void CMapReader::UnpackObjects(CFileUnpacker& unpacker)
{
// unpack object types
u32 numObjTypes;
unpacker.UnpackRaw(&numObjTypes,sizeof(numObjTypes));
m_ObjectTypes.resize(numObjTypes);
for (uint i=0;i<numObjTypes;i++) {
CStr objname;
unpacker.UnpackString(objname);
CObjectEntry* object=g_ObjMan.FindObject((const char*) objname);
m_ObjectTypes[i]=object;
}
// unpack object data
u32 numObjects;
unpacker.UnpackRaw(&numObjects,sizeof(numObjects));
m_Objects.resize(numObjects);
unpacker.UnpackRaw(&m_Objects[0],sizeof(SObjectDesc)*numObjects);
}
// UnpackTerrain: unpack the terrain from the end of the input data stream
// - data: map size, heightmap, list of textures used by map, texture tile assignments
void CMapReader::UnpackTerrain(CFileUnpacker& unpacker)
{
// unpack map size
unpacker.UnpackRaw(&m_MapSize,sizeof(m_MapSize));
// unpack heightmap
u32 verticesPerSide=m_MapSize*PATCH_SIZE+1;
m_Heightmap.resize(SQR(verticesPerSide));
unpacker.UnpackRaw(&m_Heightmap[0],SQR(verticesPerSide)*sizeof(u16));
// unpack texture names; find handle for each texture
u32 numTextures;
unpacker.UnpackRaw(&numTextures,sizeof(numTextures));
m_TerrainTextures.reserve(numTextures);
for (uint i=0;i<numTextures;i++) {
CStr texturename;
unpacker.UnpackString(texturename);
Handle handle;
CTextureEntry* texentry=g_TexMan.FindTexture(texturename);
if (!texentry) {
// ack; mismatch between texture datasets?
handle=0;
} else {
handle=texentry->m_Handle;
}
m_TerrainTextures.push_back(handle);
}
// unpack tile data
u32 tilesPerSide=m_MapSize*PATCH_SIZE;
m_Tiles.resize(SQR(tilesPerSide));
unpacker.UnpackRaw(&m_Tiles[0],sizeof(STileDesc)*m_Tiles.size());
}
// ApplyData: take all the input data, and rebuild the scene from it
void CMapReader::ApplyData(CFileUnpacker& unpacker)
{
// initialise the terrain
g_Terrain.Initialize(m_MapSize,&m_Heightmap[0]);
// setup the textures on the minipatches
STileDesc* tileptr=&m_Tiles[0];
for (u32 j=0;j<m_MapSize;j++) {
for (u32 i=0;i<m_MapSize;i++) {
for (u32 m=0;m<PATCH_SIZE;m++) {
for (u32 k=0;k<PATCH_SIZE;k++) {
CMiniPatch& mp=g_Terrain.GetPatch(i,j)->m_MiniPatches[m][k];
mp.Tex1=m_TerrainTextures[tileptr->m_Tex1Index];
mp.Tex1Priority=tileptr->m_Priority;
tileptr++;
}
}
}
}
// empty out existing units
g_UnitMan.DeleteAll();
// add new objects
for (u32 i=0;i<m_Objects.size();i++) {
CObjectEntry* objentry=m_ObjectTypes[m_Objects[i].m_ObjectIndex];
if (objentry && objentry->m_Model) {
// Hijack the standard actor instantiation for actors that correspond to entities.
// Not an ideal solution; we'll have to figure out a map format that can define entities seperately or somesuch.
CBaseEntity* templateObject = g_EntityTemplateCollection.getTemplateByActor( objentry );
if( templateObject )
{
CVector3D orient = ((CMatrix3D*)m_Objects[i].m_Transform)->GetIn();
CVector3D position = ((CMatrix3D*)m_Objects[i].m_Transform)->GetTranslation();
g_EntityManager.create( templateObject, position, atan2( orient.X, orient.Z ) );
}
else
{
CUnit* unit=new CUnit;
unit->m_Object=objentry;
unit->m_Model=objentry->m_Model ? objentry->m_Model->Clone() : 0;
CMatrix3D transform;
memcpy(&transform._11,m_Objects[i].m_Transform,sizeof(float)*16);
unit->m_Model->SetTransform(transform);
// add this unit to list of units stored in unit manager
g_UnitMan.AddUnit(unit);
}
}
}
if (unpacker.GetVersion()>=2) {
// copy over the lighting parameters
g_LightEnv=m_LightEnv;
}
}

94
source/terrain/MapReader.h
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@ -1,48 +1,48 @@
#ifndef _MAPREADER_H
#define _MAPREADER_H
#include "MapIO.h"
#include "CStr.h"
#include "terrain/LightEnv.h"
#include "terrain/FileUnpacker.h"
class CObjectEntry;
class CMapReader : public CMapIO
{
public:
// constructor
CMapReader();
// LoadMap: try to load the map from given file; reinitialise the scene to new data if successful
void LoadMap(const char* filename);
private:
// UnpackMap: unpack the given data from the raw data stream into local variables
void UnpackMap(CFileUnpacker& unpacker);
// UnpackTerrain: unpack the terrain from the input stream
void UnpackTerrain(CFileUnpacker& unpacker);
// UnpackObjects: unpack world objects from the input stream
void UnpackObjects(CFileUnpacker& unpacker);
// UnpackObjects: unpack lighting parameters from the input stream
void UnpackLightEnv(CFileUnpacker& unpacker);
// ApplyData: take all the input data, and rebuild the scene from it
void ApplyData(CFileUnpacker& unpacker);
// size of map
u32 m_MapSize;
// heightmap for map
std::vector<u16> m_Heightmap;
// list of terrain textures used by map
std::vector<Handle> m_TerrainTextures;
// tile descriptions for each tile
std::vector<STileDesc> m_Tiles;
// list of object types used by map
std::vector<CObjectEntry*> m_ObjectTypes;
// descriptions for each objects
std::vector<SObjectDesc> m_Objects;
// lightenv stored in file
CLightEnv m_LightEnv;
};
#ifndef _MAPREADER_H
#define _MAPREADER_H
#include "MapIO.h"
#include "CStr.h"
#include "terrain/LightEnv.h"
#include "terrain/FileUnpacker.h"
class CObjectEntry;
class CMapReader : public CMapIO
{
public:
// constructor
CMapReader();
// LoadMap: try to load the map from given file; reinitialise the scene to new data if successful
void LoadMap(const char* filename);
private:
// UnpackMap: unpack the given data from the raw data stream into local variables
void UnpackMap(CFileUnpacker& unpacker);
// UnpackTerrain: unpack the terrain from the input stream
void UnpackTerrain(CFileUnpacker& unpacker);
// UnpackObjects: unpack world objects from the input stream
void UnpackObjects(CFileUnpacker& unpacker);
// UnpackObjects: unpack lighting parameters from the input stream
void UnpackLightEnv(CFileUnpacker& unpacker);
// ApplyData: take all the input data, and rebuild the scene from it
void ApplyData(CFileUnpacker& unpacker);
// size of map
u32 m_MapSize;
// heightmap for map
std::vector<u16> m_Heightmap;
// list of terrain textures used by map
std::vector<Handle> m_TerrainTextures;
// tile descriptions for each tile
std::vector<STileDesc> m_Tiles;
// list of object types used by map
std::vector<CObjectEntry*> m_ObjectTypes;
// descriptions for each objects
std::vector<SObjectDesc> m_Objects;
// lightenv stored in file
CLightEnv m_LightEnv;
};
#endif

452
source/terrain/MapWriter.cpp
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@ -1,226 +1,226 @@
// switch off warnings before including stl files
#pragma warning(disable : 4786) // identifier truncated to 255 chars
#include "Types.h"
#include "MapWriter.h"
#include "UnitManager.h"
#include "ObjectManager.h"
#include "terrain/Model.h"
#include "terrain/Terrain.h"
#include "terrain/LightEnv.h"
#include "terrain/TextureManager.h"
extern CTerrain g_Terrain;
extern CLightEnv g_LightEnv;
#include <set>
#include <stdio.h>
///////////////////////////////////////////////////////////////////////////////////////////////////
// CMapWriter constructor: nothing to do at the minute
CMapWriter::CMapWriter()
{
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// SaveMap: try to save the current map to the given file
void CMapWriter::SaveMap(const char* filename)
{
CFilePacker packer;
// build necessary data
PackMap(packer);
// write it out
packer.Write(filename,FILE_VERSION,"PSMP");
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// GetHandleIndex: return the index of the given handle in the given list; or 0xffff if
// handle isn't in list
static u16 GetHandleIndex(const Handle handle,const std::vector<Handle>& handles)
{
for (uint i=0;i<handles.size();i++) {
if (handles[i]==handle) {
return i;
}
}
return 0xffff;
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// GetObjectIndex: return the index of the given object in the given list; or 0xffff if
// object isn't in list
static u16 GetObjectIndex(const CObjectEntry* object,const std::vector<CObjectEntry*>& objects)
{
for (uint i=0;i<objects.size();i++) {
if (objects[i]==object) {
return i;
}
}
return 0xffff;
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// EnumTerrainTextures: build lists of textures used by map, and tile descriptions for
// each tile on the terrain
void CMapWriter::EnumTerrainTextures(std::vector<CStr>& textures,
std::vector<STileDesc>& tiles)
{
// the list of all handles in use
std::vector<Handle> handles;
// resize tile array to required size
tiles.resize(SQR(g_Terrain.GetVerticesPerSide()-1));
STileDesc* tileptr=&tiles[0];
// now iterate through all the tiles
u32 mapsize=g_Terrain.GetPatchesPerSide();
for (u32 j=0;j<mapsize;j++) {
for (u32 i=0;i<mapsize;i++) {
for (u32 m=0;m<PATCH_SIZE;m++) {
for (u32 k=0;k<PATCH_SIZE;k++) {
CMiniPatch& mp=g_Terrain.GetPatch(i,j)->m_MiniPatches[m][k];
u16 index=u16(GetHandleIndex(mp.Tex1,handles));
if (index==0xffff) {
index=handles.size();
handles.push_back(mp.Tex1);
}
tileptr->m_Tex1Index=index;
tileptr->m_Tex2Index=0xffff;
tileptr->m_Priority=mp.Tex1Priority;
tileptr++;
}
}
}
}
// now find the texture names for each handle
for (uint i=0;i<handles.size();i++) {
CStr texturename;
CTextureEntry* texentry=g_TexMan.FindTexture(handles[i]);
if (!texentry) {
// uh-oh, this shouldn't happen; set texturename to empty string
texturename="";
} else {
texturename=texentry->m_Name;
}
textures.push_back(texturename);
}
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// EnumObjects: build lists of object types used by map, and object descriptions for
// each object in the world
void CMapWriter::EnumObjects(std::vector<CStr>& objectTypes,std::vector<SObjectDesc>& objects)
{
// the list of all object entries in use
std::vector<CObjectEntry*> objectsInUse;
// resize object array to required size
const std::vector<CUnit*>& units=g_UnitMan.GetUnits();
objects.resize(units.size());
SObjectDesc* objptr=&objects[0];
// now iterate through all the units
for (u32 j=0;j<units.size();j++) {
CUnit* unit=units[j];
u16 index=u16(GetObjectIndex(unit->m_Object,objectsInUse));
if (index==0xffff) {
index=objectsInUse.size();
objectsInUse.push_back(unit->m_Object);
}
objptr->m_ObjectIndex=index;
memcpy(objptr->m_Transform,&unit->m_Model->GetTransform()._11,sizeof(float)*16);
objptr++;
}
// now build outgoing objectTypes array
for (uint i=0;i<objectsInUse.size();i++) {
objectTypes.push_back(objectsInUse[i]->m_Name);
}
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// PackMap: pack the current world into a raw data stream
void CMapWriter::PackMap(CFilePacker& packer)
{
// now pack everything up
PackTerrain(packer);
PackObjects(packer);
PackLightEnv(packer);
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// PackLightEnv: pack lighting parameters onto the end of the output data stream
void CMapWriter::PackLightEnv(CFilePacker& packer)
{
packer.PackRaw(&g_LightEnv.m_SunColor,sizeof(g_LightEnv.m_SunColor));
packer.PackRaw(&g_LightEnv.m_Elevation,sizeof(g_LightEnv.m_Elevation));
packer.PackRaw(&g_LightEnv.m_Rotation,sizeof(g_LightEnv.m_Rotation));
packer.PackRaw(&g_LightEnv.m_TerrainAmbientColor,sizeof(g_LightEnv.m_TerrainAmbientColor));
packer.PackRaw(&g_LightEnv.m_UnitsAmbientColor,sizeof(g_LightEnv.m_UnitsAmbientColor));
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// PackObjects: pack world objects onto the end of the output data stream
// - data: list of objects types used by map, list of object descriptions
void CMapWriter::PackObjects(CFilePacker& packer)
{
// the list of object types used by map
std::vector<CStr> objectTypes;
// descriptions of each object
std::vector<SObjectDesc> objects;
// build lists by scanning through the world
EnumObjects(objectTypes,objects);
// pack object types
u32 numObjTypes=objectTypes.size();
packer.PackRaw(&numObjTypes,sizeof(numObjTypes));
for (uint i=0;i<numObjTypes;i++) {
packer.PackString(objectTypes[i]);
}
// pack object data
u32 numObjects=objects.size();
packer.PackRaw(&numObjects,sizeof(numObjects));
packer.PackRaw(&objects[0],sizeof(SObjectDesc)*numObjects);
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// PackTerrain: pack the terrain onto the end of the output data stream
// - data: map size, heightmap, list of textures used by map, texture tile assignments
void CMapWriter::PackTerrain(CFilePacker& packer)
{
// pack map size
u32 mapsize=g_Terrain.GetPatchesPerSide();
packer.PackRaw(&mapsize,sizeof(mapsize));
// pack heightmap
packer.PackRaw(g_Terrain.GetHeightMap(),sizeof(u16)*SQR(g_Terrain.GetVerticesPerSide()));
// the list of textures used by map
std::vector<CStr> terrainTextures;
// descriptions of each tile
std::vector<STileDesc> tiles;
// build lists by scanning through the terrain
EnumTerrainTextures(terrainTextures,tiles);
// pack texture names
u32 numTextures=terrainTextures.size();
packer.PackRaw(&numTextures,sizeof(numTextures));
for (uint i=0;i<numTextures;i++) {
packer.PackString(terrainTextures[i]);
}
// pack tile data
packer.PackRaw(&tiles[0],sizeof(STileDesc)*tiles.size());
}
// switch off warnings before including stl files
#pragma warning(disable : 4786) // identifier truncated to 255 chars
#include "Types.h"
#include "MapWriter.h"
#include "UnitManager.h"
#include "ObjectManager.h"
#include "terrain/Model.h"
#include "terrain/Terrain.h"
#include "terrain/LightEnv.h"
#include "terrain/TextureManager.h"
extern CTerrain g_Terrain;
extern CLightEnv g_LightEnv;
#include <set>
#include <stdio.h>
///////////////////////////////////////////////////////////////////////////////////////////////////
// CMapWriter constructor: nothing to do at the minute
CMapWriter::CMapWriter()
{
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// SaveMap: try to save the current map to the given file
void CMapWriter::SaveMap(const char* filename)
{
CFilePacker packer;
// build necessary data
PackMap(packer);
// write it out
packer.Write(filename,FILE_VERSION,"PSMP");
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// GetHandleIndex: return the index of the given handle in the given list; or 0xffff if
// handle isn't in list
static u16 GetHandleIndex(const Handle handle,const std::vector<Handle>& handles)
{
for (uint i=0;i<handles.size();i++) {
if (handles[i]==handle) {
return i;
}
}
return 0xffff;
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// GetObjectIndex: return the index of the given object in the given list; or 0xffff if
// object isn't in list
static u16 GetObjectIndex(const CObjectEntry* object,const std::vector<CObjectEntry*>& objects)
{
for (uint i=0;i<objects.size();i++) {
if (objects[i]==object) {
return i;
}
}
return 0xffff;
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// EnumTerrainTextures: build lists of textures used by map, and tile descriptions for
// each tile on the terrain
void CMapWriter::EnumTerrainTextures(std::vector<CStr>& textures,
std::vector<STileDesc>& tiles)
{
// the list of all handles in use
std::vector<Handle> handles;
// resize tile array to required size
tiles.resize(SQR(g_Terrain.GetVerticesPerSide()-1));
STileDesc* tileptr=&tiles[0];
// now iterate through all the tiles
u32 mapsize=g_Terrain.GetPatchesPerSide();
for (u32 j=0;j<mapsize;j++) {
for (u32 i=0;i<mapsize;i++) {
for (u32 m=0;m<PATCH_SIZE;m++) {
for (u32 k=0;k<PATCH_SIZE;k++) {
CMiniPatch& mp=g_Terrain.GetPatch(i,j)->m_MiniPatches[m][k];
u16 index=u16(GetHandleIndex(mp.Tex1,handles));
if (index==0xffff) {
index=handles.size();
handles.push_back(mp.Tex1);
}
tileptr->m_Tex1Index=index;
tileptr->m_Tex2Index=0xffff;
tileptr->m_Priority=mp.Tex1Priority;
tileptr++;
}
}
}
}
// now find the texture names for each handle
for (uint i=0;i<handles.size();i++) {
CStr texturename;
CTextureEntry* texentry=g_TexMan.FindTexture(handles[i]);
if (!texentry) {
// uh-oh, this shouldn't happen; set texturename to empty string
texturename="";
} else {
texturename=texentry->m_Name;
}
textures.push_back(texturename);
}
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// EnumObjects: build lists of object types used by map, and object descriptions for
// each object in the world
void CMapWriter::EnumObjects(std::vector<CStr>& objectTypes,std::vector<SObjectDesc>& objects)
{
// the list of all object entries in use
std::vector<CObjectEntry*> objectsInUse;
// resize object array to required size
const std::vector<CUnit*>& units=g_UnitMan.GetUnits();
objects.resize(units.size());
SObjectDesc* objptr=&objects[0];
// now iterate through all the units
for (u32 j=0;j<units.size();j++) {
CUnit* unit=units[j];
u16 index=u16(GetObjectIndex(unit->m_Object,objectsInUse));
if (index==0xffff) {
index=objectsInUse.size();
objectsInUse.push_back(unit->m_Object);
}
objptr->m_ObjectIndex=index;
memcpy(objptr->m_Transform,&unit->m_Model->GetTransform()._11,sizeof(float)*16);
objptr++;
}
// now build outgoing objectTypes array
for (uint i=0;i<objectsInUse.size();i++) {
objectTypes.push_back(objectsInUse[i]->m_Name);
}
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// PackMap: pack the current world into a raw data stream
void CMapWriter::PackMap(CFilePacker& packer)
{
// now pack everything up
PackTerrain(packer);
PackObjects(packer);
PackLightEnv(packer);
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// PackLightEnv: pack lighting parameters onto the end of the output data stream
void CMapWriter::PackLightEnv(CFilePacker& packer)
{
packer.PackRaw(&g_LightEnv.m_SunColor,sizeof(g_LightEnv.m_SunColor));
packer.PackRaw(&g_LightEnv.m_Elevation,sizeof(g_LightEnv.m_Elevation));
packer.PackRaw(&g_LightEnv.m_Rotation,sizeof(g_LightEnv.m_Rotation));
packer.PackRaw(&g_LightEnv.m_TerrainAmbientColor,sizeof(g_LightEnv.m_TerrainAmbientColor));
packer.PackRaw(&g_LightEnv.m_UnitsAmbientColor,sizeof(g_LightEnv.m_UnitsAmbientColor));
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// PackObjects: pack world objects onto the end of the output data stream
// - data: list of objects types used by map, list of object descriptions
void CMapWriter::PackObjects(CFilePacker& packer)
{
// the list of object types used by map
std::vector<CStr> objectTypes;
// descriptions of each object
std::vector<SObjectDesc> objects;
// build lists by scanning through the world
EnumObjects(objectTypes,objects);
// pack object types
u32 numObjTypes=objectTypes.size();
packer.PackRaw(&numObjTypes,sizeof(numObjTypes));
for (uint i=0;i<numObjTypes;i++) {
packer.PackString(objectTypes[i]);
}
// pack object data
u32 numObjects=objects.size();
packer.PackRaw(&numObjects,sizeof(numObjects));
packer.PackRaw(&objects[0],sizeof(SObjectDesc)*numObjects);
}
///////////////////////////////////////////////////////////////////////////////////////////////////
// PackTerrain: pack the terrain onto the end of the output data stream
// - data: map size, heightmap, list of textures used by map, texture tile assignments
void CMapWriter::PackTerrain(CFilePacker& packer)
{
// pack map size
u32 mapsize=g_Terrain.GetPatchesPerSide();
packer.PackRaw(&mapsize,sizeof(mapsize));
// pack heightmap
packer.PackRaw(g_Terrain.GetHeightMap(),sizeof(u16)*SQR(g_Terrain.GetVerticesPerSide()));
// the list of textures used by map
std::vector<CStr> terrainTextures;
// descriptions of each tile
std::vector<STileDesc> tiles;
// build lists by scanning through the terrain
EnumTerrainTextures(terrainTextures,tiles);
// pack texture names
u32 numTextures=terrainTextures.size();
packer.PackRaw(&numTextures,sizeof(numTextures));
for (uint i=0;i<numTextures;i++) {
packer.PackString(terrainTextures[i]);
}
// pack tile data
packer.PackRaw(&tiles[0],sizeof(STileDesc)*tiles.size());
}

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source/terrain/MapWriter.h
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#ifndef _MAPWRITER_H
#define _MAPWRITER_H
#include <vector>
#include "MapIO.h"
#include "CStr.h"
#include "terrain/FilePacker.h"
class CMapWriter : public CMapIO
{
public:
// constructor
CMapWriter();
// SaveMap: try to save the current map to the given file
void SaveMap(const char* filename);
private:
// PackMap: pack the current world into a raw data stream
void PackMap(CFilePacker& packer);
// PackTerrain: pack the terrain onto the end of the data stream
void PackTerrain(CFilePacker& packer);
// PackObjects: pack world objects onto the end of the output data stream
void PackObjects(CFilePacker& packer);
// PackLightEnv: pack lighting parameters onto the end of the output data stream
void PackLightEnv(CFilePacker& packer);
// EnumTerrainTextures: build lists of textures used by map, and indices into this list
// for each tile on the terrain
void EnumTerrainTextures(std::vector<CStr>& textures,std::vector<STileDesc>& tileIndices);
// EnumObjects: build lists of object types used by map, and object descriptions for
// each object in the world
void EnumObjects(std::vector<CStr>& objectTypes,std::vector<SObjectDesc>& objects);
};
#ifndef _MAPWRITER_H
#define _MAPWRITER_H
#include <vector>
#include "MapIO.h"
#include "CStr.h"
#include "terrain/FilePacker.h"
class CMapWriter : public CMapIO
{
public:
// constructor
CMapWriter();
// SaveMap: try to save the current map to the given file
void SaveMap(const char* filename);
private:
// PackMap: pack the current world into a raw data stream
void PackMap(CFilePacker& packer);
// PackTerrain: pack the terrain onto the end of the data stream
void PackTerrain(CFilePacker& packer);
// PackObjects: pack world objects onto the end of the output data stream
void PackObjects(CFilePacker& packer);
// PackLightEnv: pack lighting parameters onto the end of the output data stream
void PackLightEnv(CFilePacker& packer);
// EnumTerrainTextures: build lists of textures used by map, and indices into this list
// for each tile on the terrain
void EnumTerrainTextures(std::vector<CStr>& textures,std::vector<STileDesc>& tileIndices);
// EnumObjects: build lists of object types used by map, and object descriptions for
// each object in the world
void EnumObjects(std::vector<CStr>& objectTypes,std::vector<SObjectDesc>& objects);
};
#endif

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source/terrain/MathUtil.h
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//***********************************************************
//
// Name: MathUtil.H
// Last Update: 28/1/02
// Author: Poya Manouchehri
//
// Description: This file contains some maths related
// utility macros and fucntions.
//
//***********************************************************
#ifndef MATHUTIL_H
#define MATHUTIL_H
#ifndef PI
#define PI 3.14159265358979323846f
#endif
#define DEGTORAD(a) ((a) * (PI/180.0f))
#define RADTODEG(a) ((a) * (180.0f/PI))
#define SQR(x) ((x) * (x))
//#define MAX(a,b) ((a < b) ? (b) : (a))
//#define MIN(a,b) ((a < b) ? (a) : (b))
#define MAX3(a,b,c) ( MAX (MAX(a,b), c) )
#define ABS(a) ((a > 0) ? (a) : (-a))
//extern unsigned int F2DW (float f);
#endif
//***********************************************************
//
// Name: MathUtil.H
// Last Update: 28/1/02
// Author: Poya Manouchehri
//
// Description: This file contains some maths related
// utility macros and fucntions.
//
//***********************************************************
#ifndef MATHUTIL_H
#define MATHUTIL_H
#ifndef PI
#define PI 3.14159265358979323846f
#endif
#define DEGTORAD(a) ((a) * (PI/180.0f))
#define RADTODEG(a) ((a) * (180.0f/PI))
#define SQR(x) ((x) * (x))
//#define MAX(a,b) ((a < b) ? (b) : (a))
//#define MIN(a,b) ((a < b) ? (a) : (b))
#define MAX3(a,b,c) ( MAX (MAX(a,b), c) )
#define ABS(a) ((a > 0) ? (a) : (-a))
//extern unsigned int F2DW (float f);
#endif

1080
source/terrain/Matrix3D.cpp
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240
source/terrain/Matrix3D.h
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@ -1,120 +1,120 @@
#ifndef __MATRIX3D_H
#define __MATRIX3D_H
#include <math.h>
#include "Vector3D.h"
#include "Vector4D.h"
class CQuaternion;
/////////////////////////////////////////////////////////////////////////
// CMatrix3D: a 4x4 matrix class for common operations in 3D
class CMatrix3D
{
public:
// the matrix data itself - accessible as either longhand names
// or via a flat array
union {
struct {
float _11, _21, _31, _41;
float _12, _22, _32, _42;
float _13, _23, _33, _43;
float _14, _24, _34, _44;
};
float _data[16];
};
public:
// constructors
CMatrix3D();
CMatrix3D(float a11,float a12,float a13,float a14,float a21,float a22,float a23,float a24,
float a31,float a32,float a33,float a34,float a41,float a42,float a43,float a44);
// accessors to individual elements of matrix
float& operator()(int col,int row) {
return _data[row*4+col];
}
const float& operator()(int col,int row) const {
return _data[row*4+col];
}
// matrix multiplication
CMatrix3D operator*(const CMatrix3D &matrix) const;
// matrix multiplication/assignment
CMatrix3D& operator*=(const CMatrix3D &matrix);
// matrix scaling
CMatrix3D operator*(float f) const;
// matrix scaling/assignment
CMatrix3D& operator*=(float f);
// matrix addition
CMatrix3D operator+(const CMatrix3D &matrix) const;
// matrix addition/assignment
CMatrix3D& operator+=(const CMatrix3D &matrix);
// set this matrix to the identity matrix
void SetIdentity();
// set this matrix to the zero matrix
void SetZero();
// set this matrix to a rotation matrix for a rotation about X axis of given angle
void SetXRotation(float angle);
// set this matrix to a rotation matrix for a rotation about Y axis of given angle
void SetYRotation(float angle);
// set this matrix to a rotation matrix for a rotation about Z axis of given angle
void SetZRotation(float angle);
// set this matrix to a rotation described by given quaternion
void SetRotation(const CQuaternion& quat);
// concatentate a rotation about the X axis onto this matrix
void RotateX(float angle);
// concatentate a rotation about the Y axis onto this matrix
void RotateY(float angle);
// concatentate a rotation about the Z axis onto this matrix
void RotateZ(float angle);
// concatentate a rotation described by given quaternion
void Rotate(const CQuaternion& quat);
// set this matrix to given translation
void SetTranslation(float x, float y, float z);
void SetTranslation(const CVector3D& vector);
// concatenate given translation onto this matrix
void Translate(float x, float y, float z);
void Translate(const CVector3D& vector);
// set this matrix to the given scaling matrix
void SetScaling(float x_scale, float y_scale, float z_scale);
// concatentate given scaling matrix onto this matrix
void Scale(float x_scale, float y_scale, float z_scale);
// calculate the inverse of this matrix, store in dst
void GetInverse(CMatrix3D& dst) const;
// calculate the transpose of this matrix, store in dst
void GetTranspose(CMatrix3D& dst) const;
// return the translation component of this matrix
CVector3D GetTranslation() const;
// return left vector, derived from rotation
CVector3D GetLeft() const;
// return up vector, derived from rotation
CVector3D GetUp() const;
// return forward vector, derived from rotation
CVector3D GetIn() const;
// transform a 3D vector by this matrix
void Transform(const CVector3D &vector,CVector3D& result) const;
CVector3D Transform(const CVector3D &vector) const;
// transform a 4D vector by this matrix
void Transform(const CVector4D &vector,CVector4D& result) const;
CVector4D Transform(const CVector4D &vector) const;
// rotate a vector by this matrix
void Rotate(const CVector3D& vector,CVector3D& result) const;
CVector3D Rotate(const CVector3D& vector) const;
// rotate a vector by the transpose of this matrix
void RotateTransposed(const CVector3D& vector,CVector3D& result) const;
CVector3D RotateTransposed(const CVector3D& vector) const;
};
#endif
#ifndef __MATRIX3D_H
#define __MATRIX3D_H
#include <math.h>
#include "Vector3D.h"
#include "Vector4D.h"
class CQuaternion;
/////////////////////////////////////////////////////////////////////////
// CMatrix3D: a 4x4 matrix class for common operations in 3D
class CMatrix3D
{
public:
// the matrix data itself - accessible as either longhand names
// or via a flat array
union {
struct {
float _11, _21, _31, _41;
float _12, _22, _32, _42;
float _13, _23, _33, _43;
float _14, _24, _34, _44;
};
float _data[16];
};
public:
// constructors
CMatrix3D();
CMatrix3D(float a11,float a12,float a13,float a14,float a21,float a22,float a23,float a24,
float a31,float a32,float a33,float a34,float a41,float a42,float a43,float a44);
// accessors to individual elements of matrix
float& operator()(int col,int row) {
return _data[row*4+col];
}
const float& operator()(int col,int row) const {
return _data[row*4+col];
}
// matrix multiplication
CMatrix3D operator*(const CMatrix3D &matrix) const;
// matrix multiplication/assignment
CMatrix3D& operator*=(const CMatrix3D &matrix);
// matrix scaling
CMatrix3D operator*(float f) const;
// matrix scaling/assignment
CMatrix3D& operator*=(float f);
// matrix addition
CMatrix3D operator+(const CMatrix3D &matrix) const;
// matrix addition/assignment
CMatrix3D& operator+=(const CMatrix3D &matrix);
// set this matrix to the identity matrix
void SetIdentity();
// set this matrix to the zero matrix
void SetZero();
// set this matrix to a rotation matrix for a rotation about X axis of given angle
void SetXRotation(float angle);
// set this matrix to a rotation matrix for a rotation about Y axis of given angle
void SetYRotation(float angle);
// set this matrix to a rotation matrix for a rotation about Z axis of given angle
void SetZRotation(float angle);
// set this matrix to a rotation described by given quaternion
void SetRotation(const CQuaternion& quat);
// concatentate a rotation about the X axis onto this matrix
void RotateX(float angle);
// concatentate a rotation about the Y axis onto this matrix
void RotateY(float angle);
// concatentate a rotation about the Z axis onto this matrix
void RotateZ(float angle);
// concatentate a rotation described by given quaternion
void Rotate(const CQuaternion& quat);
// set this matrix to given translation
void SetTranslation(float x, float y, float z);
void SetTranslation(const CVector3D& vector);
// concatenate given translation onto this matrix
void Translate(float x, float y, float z);
void Translate(const CVector3D& vector);
// set this matrix to the given scaling matrix
void SetScaling(float x_scale, float y_scale, float z_scale);
// concatentate given scaling matrix onto this matrix
void Scale(float x_scale, float y_scale, float z_scale);
// calculate the inverse of this matrix, store in dst
void GetInverse(CMatrix3D& dst) const;
// calculate the transpose of this matrix, store in dst
void GetTranspose(CMatrix3D& dst) const;
// return the translation component of this matrix
CVector3D GetTranslation() const;
// return left vector, derived from rotation
CVector3D GetLeft() const;
// return up vector, derived from rotation
CVector3D GetUp() const;
// return forward vector, derived from rotation
CVector3D GetIn() const;
// transform a 3D vector by this matrix
void Transform(const CVector3D &vector,CVector3D& result) const;
CVector3D Transform(const CVector3D &vector) const;
// transform a 4D vector by this matrix
void Transform(const CVector4D &vector,CVector4D& result) const;
CVector4D Transform(const CVector4D &vector) const;
// rotate a vector by this matrix
void Rotate(const CVector3D& vector,CVector3D& result) const;
CVector3D Rotate(const CVector3D& vector) const;
// rotate a vector by the transpose of this matrix
void RotateTransposed(const CVector3D& vector,CVector3D& result) const;
CVector3D RotateTransposed(const CVector3D& vector) const;
};
#endif

68
source/terrain/MiniPatch.cpp
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@ -1,34 +1,34 @@
///////////////////////////////////////////////////////////////////////////////
//
// Name: MiniPatch.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#include "MiniPatch.h"
#include "Patch.h"
///////////////////////////////////////////////////////////////////////////////
// Constructor
CMiniPatch::CMiniPatch() : Tex1(0), Tex1Priority(0), m_Parent(0)
{
}
///////////////////////////////////////////////////////////////////////////////
// Destructor
CMiniPatch::~CMiniPatch()
{
}
///////////////////////////////////////////////////////////////////////////////
// GetTileIndex: get the index of this tile in the root terrain object;
// on return, parameters x,y contain index in [0,MapSize)
void CMiniPatch::GetTileIndex(u32& x,u32& z)
{
u32 tindex=this-&m_Parent->m_MiniPatches[0][0];
x=(m_Parent->m_X*16)+tindex%16;
z=(m_Parent->m_Z*16)+tindex/16;
}
///////////////////////////////////////////////////////////////////////////////
//
// Name: MiniPatch.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#include "MiniPatch.h"
#include "Patch.h"
///////////////////////////////////////////////////////////////////////////////
// Constructor
CMiniPatch::CMiniPatch() : Tex1(0), Tex1Priority(0), m_Parent(0)
{
}
///////////////////////////////////////////////////////////////////////////////
// Destructor
CMiniPatch::~CMiniPatch()
{
}
///////////////////////////////////////////////////////////////////////////////
// GetTileIndex: get the index of this tile in the root terrain object;
// on return, parameters x,y contain index in [0,MapSize)
void CMiniPatch::GetTileIndex(u32& x,u32& z)
{
u32 tindex=this-&m_Parent->m_MiniPatches[0][0];
x=(m_Parent->m_X*16)+tindex%16;
z=(m_Parent->m_Z*16)+tindex/16;
}

78
source/terrain/MiniPatch.h
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///////////////////////////////////////////////////////////////////////////////
//
// Name: MiniPatch.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _MINIPATCH_H
#define _MINIPATCH_H
#include "res/res.h"
class CPatch;
///////////////////////////////////////////////////////////////////////////////
// CMiniPatch: definition of a single terrain tile
class CMiniPatch
{
public:
// constructor
CMiniPatch();
// destructor
~CMiniPatch();
// get the index of this tile in the root terrain object; x,y in [0,MapSize)
void GetTileIndex(u32& x,u32& z);
public:
// texture applied to tile
Handle Tex1;
// 'priority' of the texture - determines drawing order of terrain textures
int Tex1Priority;
// parent patch
CPatch* m_Parent;
};
#endif
///////////////////////////////////////////////////////////////////////////////
//
// Name: MiniPatch.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _MINIPATCH_H
#define _MINIPATCH_H
#include "res/res.h"
class CPatch;
///////////////////////////////////////////////////////////////////////////////
// CMiniPatch: definition of a single terrain tile
class CMiniPatch
{
public:
// constructor
CMiniPatch();
// destructor
~CMiniPatch();
// get the index of this tile in the root terrain object; x,y in [0,MapSize)
void GetTileIndex(u32& x,u32& z);
public:
// texture applied to tile
Handle Tex1;
// 'priority' of the texture - determines drawing order of terrain textures
int Tex1Priority;
// parent patch
CPatch* m_Parent;
};
#endif

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source/terrain/Model.cpp
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///////////////////////////////////////////////////////////////////////////////
//
// Name: Model.cpp
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#include "Model.h"
#include "Quaternion.h"
#include "Bound.h"
///////////////////////////////////////////////////////////////////////////////
// Constructor
CModel::CModel()
: m_pModelDef(0), m_Anim(0), m_AnimTime(0),
m_BoneMatrices(0), m_InvBoneMatrices(0)
{
}
///////////////////////////////////////////////////////////////////////////////
// Destructor
CModel::~CModel()
{
ReleaseData();
}
///////////////////////////////////////////////////////////////////////////////
// ReleaseData: delete anything allocated by the model
void CModel::ReleaseData()
{
delete[] m_BoneMatrices;
delete[] m_InvBoneMatrices;
}
///////////////////////////////////////////////////////////////////////////////
// InitModel: setup model from given geometry
bool CModel::InitModel(CModelDef* modeldef)
{
// clean up any existing data first
ReleaseData();
m_pModelDef = modeldef;
u32 numBones=modeldef->GetNumBones();
if (numBones>0) {
// allocate matrices for bone transformations
m_BoneMatrices=new CMatrix3D[numBones];
m_InvBoneMatrices=new CMatrix3D[numBones];
// store default pose until animation assigned
CBoneState* defpose=modeldef->GetBones();
for (uint i=0;i<numBones;i++) {
CMatrix3D& m=m_BoneMatrices[i];
m.SetIdentity();
m.Rotate(defpose[i].m_Rotation);
m.Translate(defpose[i].m_Translation);
m.GetInverse(m_InvBoneMatrices[i]);
}
}
return true;
}
///////////////////////////////////////////////////////////////////////////////
// SkinPoint: skin the given point using the given blend and bonestate data
static CVector3D SkinPoint(const CVector3D& pos,const SVertexBlend& blend,
const CBoneState* bonestates)
{
CVector3D result(0,0,0);
for (int i=0;i<SVertexBlend::SIZE && blend.m_Bone[i]!=0xff;i++) {
CMatrix3D m;
m.SetIdentity();
m.Rotate(bonestates[blend.m_Bone[i]].m_Rotation);
m.Translate(bonestates[blend.m_Bone[i]].m_Translation);
CVector3D tmp=m.Transform(pos);
result+=tmp*blend.m_Weight[i];
}
return result;
}
///////////////////////////////////////////////////////////////////////////////
// CalcBound: calculate the world space bounds of this model
//
// TODO,RC 11/03/04: need to calculate (and store somewhere) the object space
// bounds, and then just retransform the bounds as necessary, rather than
// recalculating them from vertex data every time the transform changes
void CModel::CalcBounds()
{
m_Bounds.SetEmpty();
int numverts=m_pModelDef->GetNumVertices();
SModelVertex* verts=m_pModelDef->GetVertices();
u32 numbones=m_pModelDef->GetNumBones();
if (numbones>0) {
// Boned object: tricky to get an ideal bound - for the minute, just use the bound of
// the reference pose. There's no guarantee that when animations are applied to the
// model, the bounds will be within this bound - ideally, we want the bound of the
// object to be the union of the bounds of the model for each animation
for (int i=0;i<numverts;i++) {
CVector3D tmp=SkinPoint(verts[i].m_Coords,verts[i].m_Blend,m_pModelDef->GetBones());
m_Bounds+=m_Transform.Transform(tmp);
}
} else {
for (int i=0;i<numverts;i++) {
m_Bounds+=m_Transform.Transform(verts[i].m_Coords);
}
}
}
///////////////////////////////////////////////////////////////////////////////
// Update: update this model by the given time, in seconds
void CModel::Update(float time)
{
// convert to ms
time*=1000;
if (m_Anim && m_BoneMatrices) {
m_AnimTime+=time;
float duration=m_Anim->GetDuration();
if (m_AnimTime>duration) {
m_AnimTime=(float) fmod(m_AnimTime,duration);
}
m_Anim->BuildBoneMatrices(m_AnimTime,m_BoneMatrices);
for (int i=0;i<m_pModelDef->GetNumBones();i++) {
m_BoneMatrices[i].GetInverse(m_InvBoneMatrices[i]);
}
if (m_RenderData) m_RenderData->m_UpdateFlags|=RENDERDATA_UPDATE_VERTICES;
}
}
/////////////////////////////////////////////////////////////////////////////////////
// SetAnimation: set the given animation as the current animation on this model;
// return false on error, else true
bool CModel::SetAnimation(CSkeletonAnim* anim)
{
if (anim) {
if (!m_BoneMatrices) {
// not boned, can't animate
return false;
}
if (anim->GetNumKeys()!=m_pModelDef->GetNumBones()) {
// mismatch between models skeleton and animations skeleton
return false;
}
}
m_AnimTime=0;
m_Anim=anim;
return true;
}
/////////////////////////////////////////////////////////////////////////////////////
// Clone: return a clone of this model
CModel* CModel::Clone() const
{
CModel* clone=new CModel;
clone->InitModel(m_pModelDef);
clone->SetTexture(m_Texture);
clone->SetAnimation(m_Anim);
return clone;
///////////////////////////////////////////////////////////////////////////////
//
// Name: Model.cpp
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#include "Model.h"
#include "Quaternion.h"
#include "Bound.h"
///////////////////////////////////////////////////////////////////////////////
// Constructor
CModel::CModel()
: m_pModelDef(0), m_Anim(0), m_AnimTime(0),
m_BoneMatrices(0), m_InvBoneMatrices(0)
{
}
///////////////////////////////////////////////////////////////////////////////
// Destructor
CModel::~CModel()
{
ReleaseData();
}
///////////////////////////////////////////////////////////////////////////////
// ReleaseData: delete anything allocated by the model
void CModel::ReleaseData()
{
delete[] m_BoneMatrices;
delete[] m_InvBoneMatrices;
}
///////////////////////////////////////////////////////////////////////////////
// InitModel: setup model from given geometry
bool CModel::InitModel(CModelDef* modeldef)
{
// clean up any existing data first
ReleaseData();
m_pModelDef = modeldef;
u32 numBones=modeldef->GetNumBones();
if (numBones>0) {
// allocate matrices for bone transformations
m_BoneMatrices=new CMatrix3D[numBones];
m_InvBoneMatrices=new CMatrix3D[numBones];
// store default pose until animation assigned
CBoneState* defpose=modeldef->GetBones();
for (uint i=0;i<numBones;i++) {
CMatrix3D& m=m_BoneMatrices[i];
m.SetIdentity();
m.Rotate(defpose[i].m_Rotation);
m.Translate(defpose[i].m_Translation);
m.GetInverse(m_InvBoneMatrices[i]);
}
}
return true;
}
///////////////////////////////////////////////////////////////////////////////
// SkinPoint: skin the given point using the given blend and bonestate data
static CVector3D SkinPoint(const CVector3D& pos,const SVertexBlend& blend,
const CBoneState* bonestates)
{
CVector3D result(0,0,0);
for (int i=0;i<SVertexBlend::SIZE && blend.m_Bone[i]!=0xff;i++) {
CMatrix3D m;
m.SetIdentity();
m.Rotate(bonestates[blend.m_Bone[i]].m_Rotation);
m.Translate(bonestates[blend.m_Bone[i]].m_Translation);
CVector3D tmp=m.Transform(pos);
result+=tmp*blend.m_Weight[i];
}
return result;
}
///////////////////////////////////////////////////////////////////////////////
// CalcBound: calculate the world space bounds of this model
//
// TODO,RC 11/03/04: need to calculate (and store somewhere) the object space
// bounds, and then just retransform the bounds as necessary, rather than
// recalculating them from vertex data every time the transform changes
void CModel::CalcBounds()
{
m_Bounds.SetEmpty();
int numverts=m_pModelDef->GetNumVertices();
SModelVertex* verts=m_pModelDef->GetVertices();
u32 numbones=m_pModelDef->GetNumBones();
if (numbones>0) {
// Boned object: tricky to get an ideal bound - for the minute, just use the bound of
// the reference pose. There's no guarantee that when animations are applied to the
// model, the bounds will be within this bound - ideally, we want the bound of the
// object to be the union of the bounds of the model for each animation
for (int i=0;i<numverts;i++) {
CVector3D tmp=SkinPoint(verts[i].m_Coords,verts[i].m_Blend,m_pModelDef->GetBones());
m_Bounds+=m_Transform.Transform(tmp);
}
} else {
for (int i=0;i<numverts;i++) {
m_Bounds+=m_Transform.Transform(verts[i].m_Coords);
}
}
}
///////////////////////////////////////////////////////////////////////////////
// Update: update this model by the given time, in seconds
void CModel::Update(float time)
{
// convert to ms
time*=1000;
if (m_Anim && m_BoneMatrices) {
m_AnimTime+=time;
float duration=m_Anim->GetDuration();
if (m_AnimTime>duration) {
m_AnimTime=(float) fmod(m_AnimTime,duration);
}
m_Anim->BuildBoneMatrices(m_AnimTime,m_BoneMatrices);
for (int i=0;i<m_pModelDef->GetNumBones();i++) {
m_BoneMatrices[i].GetInverse(m_InvBoneMatrices[i]);
}
if (m_RenderData) m_RenderData->m_UpdateFlags|=RENDERDATA_UPDATE_VERTICES;
}
}
/////////////////////////////////////////////////////////////////////////////////////
// SetAnimation: set the given animation as the current animation on this model;
// return false on error, else true
bool CModel::SetAnimation(CSkeletonAnim* anim)
{
if (anim) {
if (!m_BoneMatrices) {
// not boned, can't animate
return false;
}
if (anim->GetNumKeys()!=m_pModelDef->GetNumBones()) {
// mismatch between models skeleton and animations skeleton
return false;
}
}
m_AnimTime=0;
m_Anim=anim;
return true;
}
/////////////////////////////////////////////////////////////////////////////////////
// Clone: return a clone of this model
CModel* CModel::Clone() const
{
CModel* clone=new CModel;
clone->InitModel(m_pModelDef);
clone->SetTexture(m_Texture);
clone->SetAnimation(m_Anim);
return clone;
}

148
source/terrain/Model.h
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@ -1,74 +1,74 @@
///////////////////////////////////////////////////////////////////////////////
//
// Name: Model.cpp
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _MODEL_H
#define _MODEL_H
#include "Texture.h"
#include "ModelDef.h"
#include "RenderableObject.h"
///////////////////////////////////////////////////////////////////////////////
// CModel: basically, a mesh object - holds the texturing and skinning
// information for a model in game
class CModel : public CRenderableObject
{
public:
// constructor
CModel();
// destructor
~CModel();
// setup model from given geometry
bool InitModel(CModelDef *modeldef);
// calculate the world space bounds of this model
void CalcBounds();
// update this model's state; 'time' is the time since the last update, in MS
void Update(float time);
// get the model's geometry data
CModelDef *GetModelDef() { return m_pModelDef; }
// set the model's texture
void SetTexture(const CTexture& tex) { m_Texture=tex; }
// get the model's texture
CTexture* GetTexture() { return &m_Texture; }
// set the given animation as the current animation on this model
bool SetAnimation(CSkeletonAnim* anim);
// get the currently playing animation, if any
CSkeletonAnim* GetAnimation() { return m_Anim; }
// return the models bone matrices
const CMatrix3D* GetBoneMatrices() { return m_BoneMatrices; }
// return the models inverted bone matrices
const CMatrix3D* GetInvBoneMatrices() { return m_InvBoneMatrices; }
// return a clone of this model
CModel* Clone() const;
private:
// delete anything allocated by the model
void ReleaseData();
// texture used by model
CTexture m_Texture;
// pointer to the model's raw 3d data
CModelDef* m_pModelDef;
// animation currently playing on this model, if any
CSkeletonAnim* m_Anim;
// time (in MS) into the current animation
float m_AnimTime;
// current state of all bones on this model; null if associated modeldef isn't skeletal
CMatrix3D* m_BoneMatrices;
// inverse of all the above matrices
CMatrix3D* m_InvBoneMatrices;
};
#endif
///////////////////////////////////////////////////////////////////////////////
//
// Name: Model.cpp
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _MODEL_H
#define _MODEL_H
#include "Texture.h"
#include "ModelDef.h"
#include "RenderableObject.h"
///////////////////////////////////////////////////////////////////////////////
// CModel: basically, a mesh object - holds the texturing and skinning
// information for a model in game
class CModel : public CRenderableObject
{
public:
// constructor
CModel();
// destructor
~CModel();
// setup model from given geometry
bool InitModel(CModelDef *modeldef);
// calculate the world space bounds of this model
void CalcBounds();
// update this model's state; 'time' is the time since the last update, in MS
void Update(float time);
// get the model's geometry data
CModelDef *GetModelDef() { return m_pModelDef; }
// set the model's texture
void SetTexture(const CTexture& tex) { m_Texture=tex; }
// get the model's texture
CTexture* GetTexture() { return &m_Texture; }
// set the given animation as the current animation on this model
bool SetAnimation(CSkeletonAnim* anim);
// get the currently playing animation, if any
CSkeletonAnim* GetAnimation() { return m_Anim; }
// return the models bone matrices
const CMatrix3D* GetBoneMatrices() { return m_BoneMatrices; }
// return the models inverted bone matrices
const CMatrix3D* GetInvBoneMatrices() { return m_InvBoneMatrices; }
// return a clone of this model
CModel* Clone() const;
private:
// delete anything allocated by the model
void ReleaseData();
// texture used by model
CTexture m_Texture;
// pointer to the model's raw 3d data
CModelDef* m_pModelDef;
// animation currently playing on this model, if any
CSkeletonAnim* m_Anim;
// time (in MS) into the current animation
float m_AnimTime;
// current state of all bones on this model; null if associated modeldef isn't skeletal
CMatrix3D* m_BoneMatrices;
// inverse of all the above matrices
CMatrix3D* m_InvBoneMatrices;
};
#endif

180
source/terrain/ModelDef.cpp
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@ -1,90 +1,90 @@
///////////////////////////////////////////////////////////////////////////////
//
// Name: ModelDef.cpp
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#include "ModelDef.h"
#include "FilePacker.h"
#include "FileUnpacker.h"
///////////////////////////////////////////////////////////////////////////////
// CModelDef Constructor
CModelDef::CModelDef()
: m_pVertices(0), m_NumVertices(0), m_pFaces(0), m_NumFaces(0), m_Bones(0), m_NumBones(0)
{
}
///////////////////////////////////////////////////////////////////////////////
// CModelDef Destructor
CModelDef::~CModelDef()
{
delete[] m_pVertices;
delete[] m_pFaces;
delete[] m_Bones;
}
///////////////////////////////////////////////////////////////////////////////
// Load: read and return a new CModelDef initialised with data from given file
CModelDef* CModelDef::Load(const char* filename)
{
CFileUnpacker unpacker;
// read everything in from file
unpacker.Read(filename,"PSMD");
// check version
if (unpacker.GetVersion()<FILE_READ_VERSION) {
throw CFileUnpacker::CFileVersionError();
}
CModelDef* mdef=new CModelDef;
try {
// now unpack everything
unpacker.UnpackRaw(&mdef->m_NumVertices,sizeof(mdef->m_NumVertices));
mdef->m_pVertices=new SModelVertex[mdef->m_NumVertices];
unpacker.UnpackRaw(mdef->m_pVertices,sizeof(SModelVertex)*mdef->m_NumVertices);
unpacker.UnpackRaw(&mdef->m_NumFaces,sizeof(mdef->m_NumFaces));
mdef->m_pFaces=new SModelFace[mdef->m_NumFaces];
unpacker.UnpackRaw(mdef->m_pFaces,sizeof(SModelFace)*mdef->m_NumFaces);
unpacker.UnpackRaw(&mdef->m_NumBones,sizeof(mdef->m_NumBones));
if (mdef->m_NumBones) {
mdef->m_Bones=new CBoneState[mdef->m_NumBones];
unpacker.UnpackRaw(mdef->m_Bones,mdef->m_NumBones*sizeof(CBoneState));
}
} catch (...) {
delete mdef;
throw CFileUnpacker::CFileEOFError();
}
return mdef;
}
///////////////////////////////////////////////////////////////////////////////
// Save: write the given CModelDef to the given file
void CModelDef::Save(const char* filename,const CModelDef* mdef)
{
CFilePacker packer;
// pack everything up
u32 numVertices=mdef->GetNumVertices();
packer.PackRaw(&numVertices,sizeof(numVertices));
packer.PackRaw(mdef->GetVertices(),sizeof(SModelVertex)*numVertices);
u32 numFaces=mdef->GetNumFaces();
packer.PackRaw(&numFaces,sizeof(numFaces));
packer.PackRaw(mdef->GetFaces(),sizeof(SModelFace)*numFaces);
packer.PackRaw(&mdef->m_NumBones,sizeof(mdef->m_NumBones));
if (mdef->m_NumBones) {
packer.PackRaw(mdef->m_Bones,sizeof(CBoneState)*mdef->m_NumBones);
}
// flush everything out to file
packer.Write(filename,FILE_VERSION,"PSMD");
}
///////////////////////////////////////////////////////////////////////////////
//
// Name: ModelDef.cpp
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#include "ModelDef.h"
#include "FilePacker.h"
#include "FileUnpacker.h"
///////////////////////////////////////////////////////////////////////////////
// CModelDef Constructor
CModelDef::CModelDef()
: m_pVertices(0), m_NumVertices(0), m_pFaces(0), m_NumFaces(0), m_Bones(0), m_NumBones(0)
{
}
///////////////////////////////////////////////////////////////////////////////
// CModelDef Destructor
CModelDef::~CModelDef()
{
delete[] m_pVertices;
delete[] m_pFaces;
delete[] m_Bones;
}
///////////////////////////////////////////////////////////////////////////////
// Load: read and return a new CModelDef initialised with data from given file
CModelDef* CModelDef::Load(const char* filename)
{
CFileUnpacker unpacker;
// read everything in from file
unpacker.Read(filename,"PSMD");
// check version
if (unpacker.GetVersion()<FILE_READ_VERSION) {
throw CFileUnpacker::CFileVersionError();
}
CModelDef* mdef=new CModelDef;
try {
// now unpack everything
unpacker.UnpackRaw(&mdef->m_NumVertices,sizeof(mdef->m_NumVertices));
mdef->m_pVertices=new SModelVertex[mdef->m_NumVertices];
unpacker.UnpackRaw(mdef->m_pVertices,sizeof(SModelVertex)*mdef->m_NumVertices);
unpacker.UnpackRaw(&mdef->m_NumFaces,sizeof(mdef->m_NumFaces));
mdef->m_pFaces=new SModelFace[mdef->m_NumFaces];
unpacker.UnpackRaw(mdef->m_pFaces,sizeof(SModelFace)*mdef->m_NumFaces);
unpacker.UnpackRaw(&mdef->m_NumBones,sizeof(mdef->m_NumBones));
if (mdef->m_NumBones) {
mdef->m_Bones=new CBoneState[mdef->m_NumBones];
unpacker.UnpackRaw(mdef->m_Bones,mdef->m_NumBones*sizeof(CBoneState));
}
} catch (...) {
delete mdef;
throw CFileUnpacker::CFileEOFError();
}
return mdef;
}
///////////////////////////////////////////////////////////////////////////////
// Save: write the given CModelDef to the given file
void CModelDef::Save(const char* filename,const CModelDef* mdef)
{
CFilePacker packer;
// pack everything up
u32 numVertices=mdef->GetNumVertices();
packer.PackRaw(&numVertices,sizeof(numVertices));
packer.PackRaw(mdef->GetVertices(),sizeof(SModelVertex)*numVertices);
u32 numFaces=mdef->GetNumFaces();
packer.PackRaw(&numFaces,sizeof(numFaces));
packer.PackRaw(mdef->GetFaces(),sizeof(SModelFace)*numFaces);
packer.PackRaw(&mdef->m_NumBones,sizeof(mdef->m_NumBones));
if (mdef->m_NumBones) {
packer.PackRaw(mdef->m_Bones,sizeof(CBoneState)*mdef->m_NumBones);
}
// flush everything out to file
packer.Write(filename,FILE_VERSION,"PSMD");
}

218
source/terrain/ModelDef.h
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@ -1,109 +1,109 @@
///////////////////////////////////////////////////////////////////////////////
//
// Name: ModelDef.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _MODELDEF_H
#define _MODELDEF_H
///////////////////////////////////////////////////////////////////////////////
// TODO,RC 11/03/04: get rid of all the m_Name[MAX_NAME_LENGTH] - use CStr
// - problem: conflicts with CStr in MAX's SDK; can't compile PMDExp if
// ps\CStr.h included here
///////////////////////////////////////////////////////////////////////////////
#include "res/res.h"
#include "Vector3D.h"
#include "SkeletonAnim.h"
#ifndef MAX_NAME_LENGTH
#define MAX_NAME_LENGTH (128)
#endif
///////////////////////////////////////////////////////////////////////////////
// SVertexBlend: structure containing the necessary data for blending vertices
// with multiple bones
struct SVertexBlend
{
enum { SIZE = 4 };
// index of the influencing bone, or 0xff if none
u8 m_Bone[SIZE];
// weight of the influence; all weights sum to 1
float m_Weight[SIZE];
};
///////////////////////////////////////////////////////////////////////////////
// SModelVertex: structure containing per-vertex data
struct SModelVertex
{
// vertex position
CVector3D m_Coords;
// vertex normal
CVector3D m_Norm;
// vertex UVs
float m_U, m_V;
// vertex blend data
SVertexBlend m_Blend;
};
///////////////////////////////////////////////////////////////////////////////
// SModelFace: structure containing per-face data
struct SModelFace
{
// indices of the 3 vertices on this face
u16 m_Verts[3];
};
////////////////////////////////////////////////////////////////////////////////////////
// CModelDef: a raw 3D model; describes the vertices, faces, skinning and skeletal
// information of a model
class CModelDef
{
public:
// current file version given to saved animations
enum { FILE_VERSION = 1 };
// supported file read version - files with a version less than this will be rejected
enum { FILE_READ_VERSION = 1 };
public:
// constructor
CModelDef();
// destructor
virtual ~CModelDef();
// model I/O functions
static CModelDef* Load(const char* filename);
static void Save(const char* filename,const CModelDef* mdef);
public:
// accessor: get vertex data
int GetNumVertices() const { return m_NumVertices; }
SModelVertex *GetVertices() const { return m_pVertices; }
// accessor: get face data
int GetNumFaces() const { return m_NumFaces; }
SModelFace *GetFaces() const { return m_pFaces; }
// accessor: get bone data
int GetNumBones() const { return m_NumBones; }
CBoneState *GetBones() const { return m_Bones; }
public:
// vertex data
u32 m_NumVertices;
SModelVertex* m_pVertices;
// face data
u32 m_NumFaces;
SModelFace* m_pFaces;
// bone data - default model pose
u32 m_NumBones;
CBoneState* m_Bones;
};
#endif
///////////////////////////////////////////////////////////////////////////////
//
// Name: ModelDef.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _MODELDEF_H
#define _MODELDEF_H
///////////////////////////////////////////////////////////////////////////////
// TODO,RC 11/03/04: get rid of all the m_Name[MAX_NAME_LENGTH] - use CStr
// - problem: conflicts with CStr in MAX's SDK; can't compile PMDExp if
// ps\CStr.h included here
///////////////////////////////////////////////////////////////////////////////
#include "res/res.h"
#include "Vector3D.h"
#include "SkeletonAnim.h"
#ifndef MAX_NAME_LENGTH
#define MAX_NAME_LENGTH (128)
#endif
///////////////////////////////////////////////////////////////////////////////
// SVertexBlend: structure containing the necessary data for blending vertices
// with multiple bones
struct SVertexBlend
{
enum { SIZE = 4 };
// index of the influencing bone, or 0xff if none
u8 m_Bone[SIZE];
// weight of the influence; all weights sum to 1
float m_Weight[SIZE];
};
///////////////////////////////////////////////////////////////////////////////
// SModelVertex: structure containing per-vertex data
struct SModelVertex
{
// vertex position
CVector3D m_Coords;
// vertex normal
CVector3D m_Norm;
// vertex UVs
float m_U, m_V;
// vertex blend data
SVertexBlend m_Blend;
};
///////////////////////////////////////////////////////////////////////////////
// SModelFace: structure containing per-face data
struct SModelFace
{
// indices of the 3 vertices on this face
u16 m_Verts[3];
};
////////////////////////////////////////////////////////////////////////////////////////
// CModelDef: a raw 3D model; describes the vertices, faces, skinning and skeletal
// information of a model
class CModelDef
{
public:
// current file version given to saved animations
enum { FILE_VERSION = 1 };
// supported file read version - files with a version less than this will be rejected
enum { FILE_READ_VERSION = 1 };
public:
// constructor
CModelDef();
// destructor
virtual ~CModelDef();
// model I/O functions
static CModelDef* Load(const char* filename);
static void Save(const char* filename,const CModelDef* mdef);
public:
// accessor: get vertex data
int GetNumVertices() const { return m_NumVertices; }
SModelVertex *GetVertices() const { return m_pVertices; }
// accessor: get face data
int GetNumFaces() const { return m_NumFaces; }
SModelFace *GetFaces() const { return m_pFaces; }
// accessor: get bone data
int GetNumBones() const { return m_NumBones; }
CBoneState *GetBones() const { return m_Bones; }
public:
// vertex data
u32 m_NumVertices;
SModelVertex* m_pVertices;
// face data
u32 m_NumFaces;
SModelFace* m_pFaces;
// bone data - default model pose
u32 m_NumBones;
CBoneState* m_Bones;
};
#endif

514
source/terrain/ModelRData.cpp
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@ -1,257 +1,257 @@
#include <assert.h>
#include <algorithm>
#include "res/tex.h"
#include "Renderer.h"
#include "TransparencyRenderer.h"
#include "ModelRData.h"
#include "terrain/Model.h"
CModelRData::CModelRData(CModel* model) : m_Model(model), m_Vertices(0), m_Normals(0), m_Indices(0), m_VB(0)
{
assert(model);
// build all data now
Build();
}
CModelRData::~CModelRData()
{
}
void CModelRData::Build()
{
BuildVertices();
BuildIndices();
}
void CModelRData::BuildIndices()
{
CModelDef* mdef=m_Model->GetModelDef();
// allocate indices if we haven't got any already
if (!m_Indices) {
m_Indices=new u16[mdef->GetNumFaces()*3];
}
// build indices
u32 indices=0;
SModelFace* faces=mdef->GetFaces();
for (int j=0; j<mdef->GetNumFaces(); j++) {
SModelFace& face=faces[j];
m_Indices[indices++]=face.m_Verts[0];
m_Indices[indices++]=face.m_Verts[1];
m_Indices[indices++]=face.m_Verts[2];
}
}
inline int clamp(int x,int min,int max)
{
if (x<min) return min;
else if (x>max) return max;
else return x;
}
static SColor4ub ConvertColor(const RGBColor& src)
{
SColor4ub result;
result.R=clamp(int(src.X*255),0,255);
result.G=clamp(int(src.Y*255),0,255);
result.B=clamp(int(src.Z*255),0,255);
result.A=0xff;
return result;
}
static CVector3D SkinPoint(const SModelVertex& vertex,const CMatrix3D* matrices)
{
CVector3D result(0,0,0),tmp;
for (u32 i=0;vertex.m_Blend.m_Bone[i]!=0xff && i<SVertexBlend::SIZE;i++) {
const CMatrix3D& m=matrices[vertex.m_Blend.m_Bone[i]];
m.Transform(vertex.m_Coords,tmp);
result+=tmp*vertex.m_Blend.m_Weight[i];
}
return result;
}
static CVector3D SkinNormal(const SModelVertex& vertex,const CMatrix3D* invmatrices)
{
CVector3D result(0,0,0),tmp;
for (u32 i=0;vertex.m_Blend.m_Bone[i]!=0xff && i<SVertexBlend::SIZE;i++) {
const CMatrix3D& m=invmatrices[vertex.m_Blend.m_Bone[i]];
m.RotateTransposed(vertex.m_Norm,tmp);
result+=tmp*vertex.m_Blend.m_Weight[i];
}
return result;
}
void CModelRData::BuildVertices()
{
CModelDef* mdef=m_Model->GetModelDef();
// allocate vertices if we haven't got any already
if (!m_Vertices) {
m_Vertices=new SVertex[mdef->GetNumVertices()];
m_Normals=new CVector3D[mdef->GetNumVertices()];
}
// build vertices
u32 numVertices=mdef->GetNumVertices();
SModelVertex* vertices=mdef->GetVertices();
if (m_Model->GetBoneMatrices()) {
// boned model - calculate skinned vertex positions/normals
for (uint j=0; j<numVertices; j++) {
m_Vertices[j].m_Position=SkinPoint(vertices[j],m_Model->GetBoneMatrices());
m_Normals[j]=SkinNormal(vertices[j],m_Model->GetInvBoneMatrices());
}
} else {
// just copy regular positions
for (uint j=0; j<numVertices; j++) {
m_Vertices[j].m_Position=vertices[j].m_Coords;
m_Normals[j]=vertices[j].m_Norm;
}
}
// now fill in UV and vertex colour data
for (uint j=0; j<numVertices; j++) {
m_Vertices[j].m_UVs[0]=vertices[j].m_U;
m_Vertices[j].m_UVs[1]=1-vertices[j].m_V;
RGBColor c;
g_Renderer.m_SHCoeffsUnits.Evaluate(m_Normals[j],c);
m_Vertices[j].m_Color=ConvertColor(c);
}
if (g_Renderer.m_Caps.m_VBO) {
if (!m_VB) {
glGenBuffersARB(1,(GLuint*) &m_VB);
glBindBufferARB(GL_ARRAY_BUFFER_ARB,m_VB);
glBufferDataARB(GL_ARRAY_BUFFER_ARB,mdef->GetNumVertices()*sizeof(SVertex),0,mdef->GetNumBones() ? GL_DYNAMIC_DRAW_ARB : GL_STATIC_DRAW_ARB);
}
glBindBufferARB(GL_ARRAY_BUFFER_ARB,m_VB);
glBufferSubDataARB(GL_ARRAY_BUFFER_ARB,0,mdef->GetNumVertices()*sizeof(SVertex),m_Vertices);
}
}
void CModelRData::RenderStreams(u32 streamflags,const CMatrix3D& transform,bool transparentPass)
{
// ignore transparent passes
if (!transparentPass && g_Renderer.IsTextureTransparent(m_Model->GetTexture())) {
return;
}
CModelDef* mdldef=(CModelDef*) m_Model->GetModelDef();
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
CMatrix3D tmp;
glMultMatrixf(&transform._11);
if (streamflags & STREAM_UV0) g_Renderer.SetTexture(0,m_Model->GetTexture(),GL_CLAMP_TO_EDGE);
u8* base;
if (g_Renderer.m_Caps.m_VBO) {
glBindBufferARB(GL_ARRAY_BUFFER_ARB,m_VB);
base=0;
} else {
base=(u8*) &m_Vertices[0];
}
// set vertex pointers
u32 stride=sizeof(SVertex);
glVertexPointer(3,GL_FLOAT,stride,base+offsetof(SVertex,m_Position));
if (streamflags & STREAM_COLOR) glColorPointer(4,GL_UNSIGNED_BYTE,stride,base+offsetof(SVertex,m_Color));
if (streamflags & STREAM_UV0) glTexCoordPointer(2,GL_FLOAT,stride,base+offsetof(SVertex,m_UVs));
// render the lot
u32 numFaces=mdldef->GetNumFaces();
glDrawElements(GL_TRIANGLES,numFaces*3,GL_UNSIGNED_SHORT,m_Indices);
// bump stats
g_Renderer.m_Stats.m_DrawCalls++;
if (transparentPass) {
g_Renderer.m_Stats.m_TransparentTris+=numFaces;
} else {
g_Renderer.m_Stats.m_ModelTris+=numFaces;
}
glPopMatrix();
}
void CModelRData::Update()
{
if (m_UpdateFlags!=0) {
// renderdata changed : rebuild necessary portions
if (m_UpdateFlags & RENDERDATA_UPDATE_VERTICES) {
BuildVertices();
}
if (m_UpdateFlags & RENDERDATA_UPDATE_INDICES) {
BuildIndices();
}
m_UpdateFlags=0;
}
}
typedef std::pair<int,float> IntFloatPair;
static std::vector<IntFloatPair> IndexSorter;
struct SortFacesByDist {
bool operator()(const IntFloatPair& lhs,const IntFloatPair& rhs) {
return lhs.second>rhs.second ? true : false;
}
};
float CModelRData::BackToFrontIndexSort(CMatrix3D& objToCam)
{
float mindist=1.0e30f;
CVector3D osvtx,csvtx;
CModelDef* mdldef=(CModelDef*) m_Model->GetModelDef();
SModelVertex* vtxs=mdldef->GetVertices();
u32 numFaces=mdldef->GetNumFaces();
SModelFace* faces=mdldef->GetFaces();
IndexSorter.reserve(numFaces);
SModelFace* facePtr=faces;
u32 i;
for (i=0;i<numFaces;i++)
{
osvtx=vtxs[facePtr->m_Verts[0]].m_Coords;
osvtx+=vtxs[facePtr->m_Verts[1]].m_Coords;
osvtx+=vtxs[facePtr->m_Verts[2]].m_Coords;
osvtx*=1.0f/3.0f;
csvtx=objToCam.Transform(osvtx);
float distsqrd=SQR(csvtx.X)+SQR(csvtx.Y)+SQR(csvtx.Z);
if (distsqrd<mindist) mindist=distsqrd;
IndexSorter.push_back(IntFloatPair(i,distsqrd));
facePtr++;
}
std::sort(IndexSorter.begin(),IndexSorter.end(),SortFacesByDist());
// now build index list
u32 indices=0;
for (i=0;i<numFaces;i++) {
SModelFace& face=faces[IndexSorter[i].first];
m_Indices[indices++]=face.m_Verts[0];
m_Indices[indices++]=face.m_Verts[1];
m_Indices[indices++]=face.m_Verts[2];
}
// clear list for next call
IndexSorter.clear();
return mindist;
}
#include <assert.h>
#include <algorithm>
#include "res/tex.h"
#include "Renderer.h"
#include "TransparencyRenderer.h"
#include "ModelRData.h"
#include "terrain/Model.h"
CModelRData::CModelRData(CModel* model) : m_Model(model), m_Vertices(0), m_Normals(0), m_Indices(0), m_VB(0)
{
assert(model);
// build all data now
Build();
}
CModelRData::~CModelRData()
{
}
void CModelRData::Build()
{
BuildVertices();
BuildIndices();
}
void CModelRData::BuildIndices()
{
CModelDef* mdef=m_Model->GetModelDef();
// allocate indices if we haven't got any already
if (!m_Indices) {
m_Indices=new u16[mdef->GetNumFaces()*3];
}
// build indices
u32 indices=0;
SModelFace* faces=mdef->GetFaces();
for (int j=0; j<mdef->GetNumFaces(); j++) {
SModelFace& face=faces[j];
m_Indices[indices++]=face.m_Verts[0];
m_Indices[indices++]=face.m_Verts[1];
m_Indices[indices++]=face.m_Verts[2];
}
}
inline int clamp(int x,int min,int max)
{
if (x<min) return min;
else if (x>max) return max;
else return x;
}
static SColor4ub ConvertColor(const RGBColor& src)
{
SColor4ub result;
result.R=clamp(int(src.X*255),0,255);
result.G=clamp(int(src.Y*255),0,255);
result.B=clamp(int(src.Z*255),0,255);
result.A=0xff;
return result;
}
static CVector3D SkinPoint(const SModelVertex& vertex,const CMatrix3D* matrices)
{
CVector3D result(0,0,0),tmp;
for (u32 i=0;vertex.m_Blend.m_Bone[i]!=0xff && i<SVertexBlend::SIZE;i++) {
const CMatrix3D& m=matrices[vertex.m_Blend.m_Bone[i]];
m.Transform(vertex.m_Coords,tmp);
result+=tmp*vertex.m_Blend.m_Weight[i];
}
return result;
}
static CVector3D SkinNormal(const SModelVertex& vertex,const CMatrix3D* invmatrices)
{
CVector3D result(0,0,0),tmp;
for (u32 i=0;vertex.m_Blend.m_Bone[i]!=0xff && i<SVertexBlend::SIZE;i++) {
const CMatrix3D& m=invmatrices[vertex.m_Blend.m_Bone[i]];
m.RotateTransposed(vertex.m_Norm,tmp);
result+=tmp*vertex.m_Blend.m_Weight[i];
}
return result;
}
void CModelRData::BuildVertices()
{
CModelDef* mdef=m_Model->GetModelDef();
// allocate vertices if we haven't got any already
if (!m_Vertices) {
m_Vertices=new SVertex[mdef->GetNumVertices()];
m_Normals=new CVector3D[mdef->GetNumVertices()];
}
// build vertices
u32 numVertices=mdef->GetNumVertices();
SModelVertex* vertices=mdef->GetVertices();
if (m_Model->GetBoneMatrices()) {
// boned model - calculate skinned vertex positions/normals
for (uint j=0; j<numVertices; j++) {
m_Vertices[j].m_Position=SkinPoint(vertices[j],m_Model->GetBoneMatrices());
m_Normals[j]=SkinNormal(vertices[j],m_Model->GetInvBoneMatrices());
}
} else {
// just copy regular positions
for (uint j=0; j<numVertices; j++) {
m_Vertices[j].m_Position=vertices[j].m_Coords;
m_Normals[j]=vertices[j].m_Norm;
}
}
// now fill in UV and vertex colour data
for (uint j=0; j<numVertices; j++) {
m_Vertices[j].m_UVs[0]=vertices[j].m_U;
m_Vertices[j].m_UVs[1]=1-vertices[j].m_V;
RGBColor c;
g_Renderer.m_SHCoeffsUnits.Evaluate(m_Normals[j],c);
m_Vertices[j].m_Color=ConvertColor(c);
}
if (g_Renderer.m_Caps.m_VBO) {
if (!m_VB) {
glGenBuffersARB(1,(GLuint*) &m_VB);
glBindBufferARB(GL_ARRAY_BUFFER_ARB,m_VB);
glBufferDataARB(GL_ARRAY_BUFFER_ARB,mdef->GetNumVertices()*sizeof(SVertex),0,mdef->GetNumBones() ? GL_DYNAMIC_DRAW_ARB : GL_STATIC_DRAW_ARB);
}
glBindBufferARB(GL_ARRAY_BUFFER_ARB,m_VB);
glBufferSubDataARB(GL_ARRAY_BUFFER_ARB,0,mdef->GetNumVertices()*sizeof(SVertex),m_Vertices);
}
}
void CModelRData::RenderStreams(u32 streamflags,const CMatrix3D& transform,bool transparentPass)
{
// ignore transparent passes
if (!transparentPass && g_Renderer.IsTextureTransparent(m_Model->GetTexture())) {
return;
}
CModelDef* mdldef=(CModelDef*) m_Model->GetModelDef();
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
CMatrix3D tmp;
glMultMatrixf(&transform._11);
if (streamflags & STREAM_UV0) g_Renderer.SetTexture(0,m_Model->GetTexture(),GL_CLAMP_TO_EDGE);
u8* base;
if (g_Renderer.m_Caps.m_VBO) {
glBindBufferARB(GL_ARRAY_BUFFER_ARB,m_VB);
base=0;
} else {
base=(u8*) &m_Vertices[0];
}
// set vertex pointers
u32 stride=sizeof(SVertex);
glVertexPointer(3,GL_FLOAT,stride,base+offsetof(SVertex,m_Position));
if (streamflags & STREAM_COLOR) glColorPointer(4,GL_UNSIGNED_BYTE,stride,base+offsetof(SVertex,m_Color));
if (streamflags & STREAM_UV0) glTexCoordPointer(2,GL_FLOAT,stride,base+offsetof(SVertex,m_UVs));
// render the lot
u32 numFaces=mdldef->GetNumFaces();
glDrawElements(GL_TRIANGLES,numFaces*3,GL_UNSIGNED_SHORT,m_Indices);
// bump stats
g_Renderer.m_Stats.m_DrawCalls++;
if (transparentPass) {
g_Renderer.m_Stats.m_TransparentTris+=numFaces;
} else {
g_Renderer.m_Stats.m_ModelTris+=numFaces;
}
glPopMatrix();
}
void CModelRData::Update()
{
if (m_UpdateFlags!=0) {
// renderdata changed : rebuild necessary portions
if (m_UpdateFlags & RENDERDATA_UPDATE_VERTICES) {
BuildVertices();
}
if (m_UpdateFlags & RENDERDATA_UPDATE_INDICES) {
BuildIndices();
}
m_UpdateFlags=0;
}
}
typedef std::pair<int,float> IntFloatPair;
static std::vector<IntFloatPair> IndexSorter;
struct SortFacesByDist {
bool operator()(const IntFloatPair& lhs,const IntFloatPair& rhs) {
return lhs.second>rhs.second ? true : false;
}
};
float CModelRData::BackToFrontIndexSort(CMatrix3D& objToCam)
{
float mindist=1.0e30f;
CVector3D osvtx,csvtx;
CModelDef* mdldef=(CModelDef*) m_Model->GetModelDef();
SModelVertex* vtxs=mdldef->GetVertices();
u32 numFaces=mdldef->GetNumFaces();
SModelFace* faces=mdldef->GetFaces();
IndexSorter.reserve(numFaces);
SModelFace* facePtr=faces;
u32 i;
for (i=0;i<numFaces;i++)
{
osvtx=vtxs[facePtr->m_Verts[0]].m_Coords;
osvtx+=vtxs[facePtr->m_Verts[1]].m_Coords;
osvtx+=vtxs[facePtr->m_Verts[2]].m_Coords;
osvtx*=1.0f/3.0f;
csvtx=objToCam.Transform(osvtx);
float distsqrd=SQR(csvtx.X)+SQR(csvtx.Y)+SQR(csvtx.Z);
if (distsqrd<mindist) mindist=distsqrd;
IndexSorter.push_back(IntFloatPair(i,distsqrd));
facePtr++;
}
std::sort(IndexSorter.begin(),IndexSorter.end(),SortFacesByDist());
// now build index list
u32 indices=0;
for (i=0;i<numFaces;i++) {
SModelFace& face=faces[IndexSorter[i].first];
m_Indices[indices++]=face.m_Verts[0];
m_Indices[indices++]=face.m_Verts[1];
m_Indices[indices++]=face.m_Verts[2];
}
// clear list for next call
IndexSorter.clear();
return mindist;
}

108
source/terrain/ModelRData.h
View File

@ -1,54 +1,54 @@
#ifndef _MODELRDATA_H
#define _MODELRDATA_H
#include <vector>
#include "res/res.h"
#include "Vector3D.h"
#include "RenderableObject.h"
class CModel;
class CModelRData : public CRenderData
{
public:
CModelRData(CModel* model);
~CModelRData();
void Update();
void RenderStreams(u32 streamflags,const CMatrix3D& transform,bool transparentPass=false);
// sort indices of this object from back to front according to given
// object to camera space transform; return sqrd distance to centre of nearest triangle
float BackToFrontIndexSort(CMatrix3D& objToCam);
private:
// build this renderdata object
void Build();
void BuildVertices();
void BuildIndices();
struct SVertex {
// vertex position
CVector3D m_Position;
// vertex uvs for base texture
float m_UVs[2];
// vertex color
SColor4ub m_Color;
};
// owner model
CModel* m_Model;
// handle to models vertex buffer
u32 m_VB;
// model render vertices
SVertex* m_Vertices;
// transformed vertex normals - required for recalculating lighting on skinned models
CVector3D* m_Normals;
// model render indices
u16* m_Indices;
};
#endif
#ifndef _MODELRDATA_H
#define _MODELRDATA_H
#include <vector>
#include "res/res.h"
#include "Vector3D.h"
#include "RenderableObject.h"
class CModel;
class CModelRData : public CRenderData
{
public:
CModelRData(CModel* model);
~CModelRData();
void Update();
void RenderStreams(u32 streamflags,const CMatrix3D& transform,bool transparentPass=false);
// sort indices of this object from back to front according to given
// object to camera space transform; return sqrd distance to centre of nearest triangle
float BackToFrontIndexSort(CMatrix3D& objToCam);
private:
// build this renderdata object
void Build();
void BuildVertices();
void BuildIndices();
struct SVertex {
// vertex position
CVector3D m_Position;
// vertex uvs for base texture
float m_UVs[2];
// vertex color
SColor4ub m_Color;
};
// owner model
CModel* m_Model;
// handle to models vertex buffer
u32 m_VB;
// model render vertices
SVertex* m_Vertices;
// transformed vertex normals - required for recalculating lighting on skinned models
CVector3D* m_Normals;
// model render indices
u16* m_Indices;
};
#endif

456
source/terrain/ObjectEntry.cpp
View File

@ -1,233 +1,223 @@
#include "ObjectEntry.h"
#include "ObjectManager.h"
#include "terrain/Model.h"
#include "terrain/ModelDef.h"
#include "UnitManager.h"
// xerces XML stuff
#include <xercesc/dom/DOM.hpp>
#include <xercesc/parsers/XercesDOMParser.hpp>
#include <xercesc/framework/LocalFileInputSource.hpp>
#include <xercesc/util/XMLString.hpp>
#include <xercesc/util/PlatformUtils.hpp>
// Gee's custom error handler
#include <ps/XercesErrorHandler.h>
// automatically use namespace ..
XERCES_CPP_NAMESPACE_USE
CObjectEntry::CObjectEntry(int type) : m_Model(0), m_Type(type)
{
}
CObjectEntry::~CObjectEntry()
{
delete m_Model;
}
bool CObjectEntry::BuildModel()
{
// check we've enough data to consider building the object
if (m_ModelName.Length()==0 || m_TextureName.Length()==0) {
return false;
}
// get the root directory of this object
CStr dirname=g_ObjMan.m_ObjectTypes[m_Type].m_Name;
// remember the old model so we can replace any models using it later on
CModelDef* oldmodel=m_Model ? m_Model->GetModelDef() : 0;
// build filename
CStr modelfilename("mods\\official\\");
modelfilename+=m_ModelName;
// try and create a model
CModelDef* modeldef;
try {
modeldef=CModelDef::Load((const char*) modelfilename);
} catch (...) {
return false;
}
// create new Model
m_Model=new CModel;
m_Model->InitModel(modeldef);
CStr texturefilename(m_TextureName);
m_Model->SetTexture(CTexture((const char*) texturefilename));
// animations?
if (m_Animations.size()) {
// yes; iterate through and load each one
for (uint i=0;i<m_Animations.size();i++) {
if (m_Animations[i].m_FileName.Length()>0) {
CStr animfilename("mods\\official\\");
animfilename+=m_Animations[i].m_FileName;
try {
m_Animations[i].m_AnimData=CSkeletonAnim::Load((const char*) animfilename);
} catch (...) {
m_Animations[i].m_AnimData=0;
}
}
}
// set the first valid animation found as current
for (uint i=0;i<m_Animations.size();i++) {
if (m_Animations[i].m_AnimData) {
m_Model->SetAnimation(m_Animations[i].m_AnimData);
break;
}
}
}
// rebuild model bounds
m_Model->CalcBounds();
// replace any units using old model to now use new model
const std::vector<CUnit*>& units=g_UnitMan.GetUnits();
for (uint i=0;i<units.size();++i) {
if (units[i]->m_Model->GetModelDef()==oldmodel) {
units[i]->m_Model->InitModel(m_Model->GetModelDef());
CSkeletonAnim* anim=m_Model->GetAnimation();
if (anim) {
units[i]->m_Model->SetAnimation(anim);
}
}
}
// and were done with the old model ..
delete oldmodel;
return true;
}
bool CObjectEntry::Load(const char* filename)
{
bool parseOK = false;
// Initialize XML library
XMLPlatformUtils::Initialize();
{
// Create parser instance
XercesDOMParser *parser = new XercesDOMParser();
// Setup parser
parser->setValidationScheme(XercesDOMParser::Val_Auto);
parser->setDoNamespaces(false);
parser->setDoSchema(false);
parser->setCreateEntityReferenceNodes(false);
// Set customized error handler
CXercesErrorHandler *errorHandler = new CXercesErrorHandler();
parser->setErrorHandler(errorHandler);
// Push the CLogger to mark it's reading this file.
// Get main node
LocalFileInputSource source( XMLString::transcode(filename) );
// Parse file
parser->parse(source);
// Check how many errors
parseOK = parser->getErrorCount() == 0;
if (parseOK) {
// parsed successfully - grab our data
DOMDocument *doc = parser->getDocument();
DOMElement *element = doc->getDocumentElement();
// root_name should be Object
CStr root_name = XMLString::transcode( element->getNodeName() );
// should have at least 3 children - Name, ModelName and TextureName
DOMNodeList *children = element->getChildNodes();
int numChildren=children->getLength();
for (int i=0; i<numChildren; ++i) {
// Get node
DOMNode *child = children->item(i);
// A child element
if (child->getNodeType() == DOMNode::ELEMENT_NODE)
{
// First get element and not node
DOMElement *child_element = (DOMElement*)child;
CStr element_name = XMLString::transcode( child_element->getNodeName() );
DOMNode *value_node= child_element->getChildNodes()->item(0);
CStr element_value=value_node ? XMLString::transcode(value_node->getNodeValue()) : "";
if (element_name==CStr("Name")) {
m_Name=element_value;
} else if (element_name==CStr("ModelName")) {
m_ModelName=element_value;
} else if (element_name==CStr("TextureName")) {
m_TextureName=element_value;
} else if (element_name==CStr("Animations")) {
DOMNodeList* animations=(DOMNodeList*) child_element->getChildNodes();
for (uint j=0; j<animations->getLength(); ++j) {
DOMElement *anim_element = (DOMElement*) animations->item(j);
CStr element_name = XMLString::transcode( anim_element->getNodeName() );
DOMNamedNodeMap* attributes=anim_element->getAttributes();
if (attributes) {
Anim anim;
DOMNode *nameattr=attributes->getNamedItem(XMLString::transcode("name"));
anim.m_AnimName=XMLString::transcode(nameattr->getChildNodes()->item(0)->getNodeValue());
DOMNode *fileattr=attributes->getNamedItem(XMLString::transcode("file"));
anim.m_FileName=XMLString::transcode(fileattr->getChildNodes()->item(0)->getNodeValue());
m_Animations.push_back(anim);
}
}
}
}
}
// try and build the model
BuildModel();
}
delete parser;
}
XMLPlatformUtils::Terminate();
return parseOK;
}
bool CObjectEntry::Save(const char* filename)
{
FILE* fp=fopen(filename,"w");
if (!fp) return false;
// write XML header
fprintf(fp,"<?xml version=\"1.0\" encoding=\"iso-8859-1\" standalone=\"no\"?>\n\n");
fprintf(fp,"<!DOCTYPE Object SYSTEM \"..\\object.dtd\">\n\n");
// write the object itself
fprintf(fp,"<!-- File automatically generated by ScEd -->\n");
fprintf(fp,"<Object>\n");
fprintf(fp,"\t<Name>%s</Name>\n",(const char*) m_Name);
fprintf(fp,"\t<ModelName>%s</ModelName>\n",(const char*) m_ModelName);
fprintf(fp,"\t<TextureName>%s</TextureName>\n",(const char*) m_TextureName);
if (m_Animations.size()>0) {
fprintf(fp,"\t<Animations>\n");
for (uint i=0;i<m_Animations.size();i++) {
fprintf(fp,"\t\t<Animation name=\"%s\" file=\"%s\"> </Animation>\n",(const char*) m_Animations[i].m_AnimName,(const char*) m_Animations[i].m_FileName);
}
fprintf(fp,"\t</Animations>\n");
}
fprintf(fp,"</Object>\n");
fclose(fp);
return true;
}
#include "ObjectEntry.h"
#include "ObjectManager.h"
#include "terrain/Model.h"
#include "terrain/ModelDef.h"
#include "UnitManager.h"
// xerces XML stuff
#include <xercesc/dom/DOM.hpp>
#include <xercesc/parsers/XercesDOMParser.hpp>
#include <xercesc/framework/LocalFileInputSource.hpp>
#include <xercesc/util/XMLString.hpp>
#include <xercesc/util/PlatformUtils.hpp>
// Gee's custom error handler
#include <ps/XercesErrorHandler.h>
// automatically use namespace ..
XERCES_CPP_NAMESPACE_USE
CObjectEntry::CObjectEntry(int type) : m_Model(0), m_Type(type)
{
}
CObjectEntry::~CObjectEntry()
{
delete m_Model;
}
bool CObjectEntry::BuildModel()
{
// check we've enough data to consider building the object
if (m_ModelName.Length()==0 || m_TextureName.Length()==0) {
return false;
}
// get the root directory of this object
CStr dirname=g_ObjMan.m_ObjectTypes[m_Type].m_Name;
// remember the old model so we can replace any models using it later on
CModelDef* oldmodel=m_Model ? m_Model->GetModelDef() : 0;
// build filename
CStr modelfilename("mods\\official\\");
modelfilename+=m_ModelName;
// try and create a model
CModelDef* modeldef;
try {
modeldef=CModelDef::Load((const char*) modelfilename);
} catch (...) {
return false;
}
// create new Model
m_Model=new CModel;
m_Model->InitModel(modeldef);
CStr texturefilename(m_TextureName);
m_Model->SetTexture(CTexture((const char*) texturefilename));
for( int t = 0; t < m_Animations.size(); t++ ) { if( m_Animations[t].m_FileName.Length() > 0 ) { CStr animfilename( "mods\\official\\" ); animfilename += m_Animations[t].m_FileName; try { m_Animations[t].m_AnimData = CSkeletonAnim::Load( animfilename ); } catch( ... ) { m_Animations[t].m_AnimData = NULL; } if( m_Animations[t].m_AnimName.LowerCase() == CStr( "idle" ) ) m_IdleAnim = m_Animations[t].m_AnimData; if( m_Animations[t].m_AnimName.LowerCase() == CStr( "walk" ) ) m_WalkAnim = m_Animations[t].m_AnimData; } } m_Model->SetAnimation( m_IdleAnim ); /*
if (m_Animations.size()) {
if (m_Animations[0].m_FileName.Length()>0) {
CStr animfilename("mods\\official\\");
animfilename+=m_Animations[0].m_FileName;
try {
CSkeletonAnim* anim=CSkeletonAnim::Load((const char*) animfilename);
m_Model->SetAnimation(anim);
} catch (...) {
m_Model->SetAnimation(0);
}
}
}
*/
// rebuild model bounds
m_Model->CalcBounds();
// replace any units using old model to now use new model
const std::vector<CUnit*>& units=g_UnitMan.GetUnits();
for (uint i=0;i<units.size();++i) {
if (units[i]->m_Model->GetModelDef()==oldmodel) {
units[i]->m_Model->InitModel(m_Model->GetModelDef());
/*
CSkeletonAnim* anim=m_Model->GetAnimation();
if (anim) {
units[i]->m_Model->SetAnimation(anim);
} */
}
}
// and were done with the old model ..
delete oldmodel;
return true;
}
CSkeletonAnim* CObjectEntry::GetNamedAnimation( CStr animationName ) { for( int t = 0; t < m_Animations.size(); t++ ) { if( m_Animations[t].m_AnimName == animationName ) return( m_Animations[t].m_AnimData ); } return( NULL ); }
bool CObjectEntry::Load(const char* filename)
{
bool parseOK = false;
// Initialize XML library
XMLPlatformUtils::Initialize();
{
// Create parser instance
XercesDOMParser *parser = new XercesDOMParser();
// Setup parser
parser->setValidationScheme(XercesDOMParser::Val_Auto);
parser->setDoNamespaces(false);
parser->setDoSchema(false);
parser->setCreateEntityReferenceNodes(false);
// Set customized error handler
CXercesErrorHandler *errorHandler = new CXercesErrorHandler();
parser->setErrorHandler(errorHandler);
// Push the CLogger to mark it's reading this file.
// Get main node
LocalFileInputSource source( XMLString::transcode(filename) );
// Parse file
parser->parse(source);
// Check how many errors
parseOK = parser->getErrorCount() == 0;
if (parseOK) {
// parsed successfully - grab our data
DOMDocument *doc = parser->getDocument();
DOMElement *element = doc->getDocumentElement();
// root_name should be Object
CStr root_name = XMLString::transcode( element->getNodeName() );
// should have at least 3 children - Name, ModelName and TextureName
DOMNodeList *children = element->getChildNodes();
int numChildren=children->getLength();
for (int i=0; i<numChildren; ++i) {
// Get node
DOMNode *child = children->item(i);
// A child element
if (child->getNodeType() == DOMNode::ELEMENT_NODE)
{
// First get element and not node
DOMElement *child_element = (DOMElement*)child;
CStr element_name = XMLString::transcode( child_element->getNodeName() );
DOMNode *value_node= child_element->getChildNodes()->item(0);
CStr element_value=value_node ? XMLString::transcode(value_node->getNodeValue()) : "";
if (element_name==CStr("Name")) {
m_Name=element_value;
} else if (element_name==CStr("ModelName")) {
m_ModelName=element_value;
} else if (element_name==CStr("TextureName")) {
m_TextureName=element_value;
} else if (element_name==CStr("Animations")) {
DOMNodeList* animations=(DOMNodeList*) child_element->getChildNodes();
for (uint j=0; j<animations->getLength(); ++j) {
DOMElement *anim_element = (DOMElement*) animations->item(j);
CStr element_name = XMLString::transcode( anim_element->getNodeName() );
DOMNamedNodeMap* attributes=anim_element->getAttributes();
if (attributes) {
Anim anim;
DOMNode *nameattr=attributes->getNamedItem(XMLString::transcode("name"));
anim.m_AnimName=XMLString::transcode(nameattr->getChildNodes()->item(0)->getNodeValue());
DOMNode *fileattr=attributes->getNamedItem(XMLString::transcode("file"));
anim.m_FileName=XMLString::transcode(fileattr->getChildNodes()->item(0)->getNodeValue());
m_Animations.push_back(anim);
}
}
}
}
}
// try and build the model
BuildModel();
}
delete parser;
}
XMLPlatformUtils::Terminate();
return parseOK;
}
bool CObjectEntry::Save(const char* filename)
{
FILE* fp=fopen(filename,"w");
if (!fp) return false;
// write XML header
fprintf(fp,"<?xml version=\"1.0\" encoding=\"iso-8859-1\" standalone=\"no\"?>\n\n");
fprintf(fp,"<!DOCTYPE Object SYSTEM \"..\\object.dtd\">\n\n");
// write the object itself
fprintf(fp,"<!-- File automatically generated by ScEd -->\n");
fprintf(fp,"<Object>\n");
fprintf(fp,"\t<Name>%s</Name>\n",(const char*) m_Name);
fprintf(fp,"\t<ModelName>%s</ModelName>\n",(const char*) m_ModelName);
fprintf(fp,"\t<TextureName>%s</TextureName>\n",(const char*) m_TextureName);
if (m_Animations.size()>0) {
fprintf(fp,"\t<Animations>\n");
for (uint i=0;i<m_Animations.size();i++) {
fprintf(fp,"\t\t<Animation name=\"%s\" file=\"%s\"> </Animation>\n",(const char*) m_Animations[i].m_AnimName,(const char*) m_Animations[i].m_FileName);
}
fprintf(fp,"\t</Animations>\n");
}
fprintf(fp,"</Object>\n");
fclose(fp);
return true;
}

93
source/terrain/ObjectEntry.h
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@ -1,47 +1,46 @@
#ifndef _OBJECTENTRY_H
#define _OBJECTENTRY_H
class CModel;
class CSkeletonAnim;
#include <vector>
#include "CStr.h"
#include "terrain/Bound.h"
class CObjectEntry
{
public:
struct Anim {
CStr m_AnimName;
CStr m_FileName;
CSkeletonAnim* m_AnimData;
};
public:
CObjectEntry(int type);
~CObjectEntry();
bool BuildModel();
bool Load(const char* filename);
bool Save(const char* filename);
// object name
CStr m_Name;
// texture name
CStr m_TextureName;
// model name
CStr m_ModelName;
// list of valid animations for this object
std::vector<Anim> m_Animations;
// object space bounds of model
// CBound m_Bound;
// corresponding model
CModel* m_Model;
// type of object; index into object managers types array
int m_Type;
};
#endif
#ifndef _OBJECTENTRY_H
#define _OBJECTENTRY_H
class CModel;
#include <vector>
#include "CStr.h"
#include "terrain/Bound.h"
#include "terrain/ModelDef.h"
class CObjectEntry
{
public:
struct Anim {
CStr m_AnimName;
CStr m_FileName; CSkeletonAnim* m_AnimData; //Pending
};
public:
CObjectEntry(int type);
~CObjectEntry();
bool BuildModel();
bool Load(const char* filename);
bool Save(const char* filename);
// object name
CStr m_Name;
// texture name
CStr m_TextureName;
// model name
CStr m_ModelName;
// animations
std::vector<Anim> m_Animations; CSkeletonAnim* m_IdleAnim; CSkeletonAnim* m_WalkAnim; CSkeletonAnim* m_DeathAnim; CSkeletonAnim* m_MeleeAnim; CSkeletonAnim* m_RangedAnim; CSkeletonAnim* GetNamedAnimation( CStr animationName );
// object space bounds of model
// CBound m_Bound;
// corresponding model
CModel* m_Model;
// type of object; index into object managers types array
int m_Type;
};
#endif

260
source/terrain/ObjectManager.cpp
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@ -1,132 +1,128 @@
#include "ObjectManager.h"
#include <io.h>
#include <algorithm>
CObjectManager g_ObjMan;
CObjectManager::CObjectManager() : m_SelectedObject(0)
{
m_ObjectTypes.reserve(32);
}
CObjectEntry* CObjectManager::FindObject(const char* objectname)
{
for (uint k=0;k<m_ObjectTypes.size();k++) {
std::vector<CObjectEntry*>& objects=m_ObjectTypes[k].m_Objects;
for (uint i=0;i<objects.size();i++) {
if (strcmp(objectname,(const char*) objects[i]->m_Name)==0) {
return objects[i];
}
}
}
return 0;
}
void CObjectManager::AddObjectType(const char* name)
{
m_ObjectTypes.resize(m_ObjectTypes.size()+1);
SObjectType& type=m_ObjectTypes.back();
type.m_Name=name;
type.m_Index=m_ObjectTypes.size()-1;
}
void CObjectManager::AddObject(CObjectEntry* object,int type)
{
assert((uint)type<m_ObjectTypes.size());
// build the model now to load the required model/animations from it
if (object->BuildModel()) {
m_ObjectTypes[type].m_Objects.push_back(object);
}
}
void CObjectManager::DeleteObject(CObjectEntry* entry)
{
std::vector<CObjectEntry*>& objects=m_ObjectTypes[entry->m_Type].m_Objects;
typedef std::vector<CObjectEntry*>::iterator Iter;
Iter i=std::find(objects.begin(),objects.end(),entry);
if (i!=objects.end()) {
objects.erase(i);
}
delete entry;
}
void CObjectManager::LoadObjects()
{
// find all the object types by directory name
BuildObjectTypes();
// now iterate through terrain types loading all textures of that type
for (uint i=0;i<m_ObjectTypes.size();i++) {
LoadObjects(i);
}
}
void CObjectManager::BuildObjectTypes()
{
struct _finddata_t file;
long handle;
// Find first matching directory in terrain\textures
if ((handle=_findfirst("mods\\official\\art\\actors\\*",&file))!=-1) {
if ((file.attrib & _A_SUBDIR) && file.name[0]!='.') {
AddObjectType(file.name);
}
// Find the rest of the matching files
while( _findnext(handle,&file)==0) {
if ((file.attrib & _A_SUBDIR) && file.name[0]!='.') {
AddObjectType(file.name);
}
}
_findclose(handle);
}
}
void CObjectManager::LoadObjects(int type)
{
struct _finddata_t file;
long handle;
// build pathname
CStr pathname("mods\\official\\art\\actors\\");
pathname+=m_ObjectTypes[type].m_Name;
pathname+="\\";
CStr findname(pathname);
findname+="*.xml";
// Find first matching file in directory for this terrain type
if ((handle=_findfirst((const char*) findname,&file))!=-1) {
CObjectEntry* object=new CObjectEntry(type);
CStr filename(pathname);
filename+=file.name;
if (!object->Load((const char*) filename)) {
delete object;
} else {
AddObject(object,type);
}
// Find the rest of the matching files
while( _findnext(handle,&file)==0) {
CObjectEntry* object=new CObjectEntry(type);
CStr filename(pathname);
filename+=file.name;
if (!object->Load((const char*) filename)) {
delete object;
} else {
AddObject(object,type);
}
}
_findclose(handle);
}
}
#include "ObjectManager.h"
#include <io.h>
#include <algorithm>
CObjectManager g_ObjMan;
CObjectManager::CObjectManager() : m_SelectedObject(0)
{
m_ObjectTypes.reserve(32);
}
CObjectEntry* CObjectManager::FindObject(const char* objectname)
{
for (uint k=0;k<m_ObjectTypes.size();k++) {
std::vector<CObjectEntry*>& objects=m_ObjectTypes[k].m_Objects;
for (uint i=0;i<objects.size();i++) {
if (strcmp(objectname,(const char*) objects[i]->m_Name)==0) {
return objects[i];
}
}
}
return 0;
}
void CObjectManager::AddObjectType(const char* name)
{
m_ObjectTypes.resize(m_ObjectTypes.size()+1);
SObjectType& type=m_ObjectTypes.back();
type.m_Name=name;
type.m_Index=m_ObjectTypes.size()-1;
}
void CObjectManager::AddObject(CObjectEntry* object,int type)
{
assert((uint)type<m_ObjectTypes.size());
if( object->BuildModel() )
m_ObjectTypes[type].m_Objects.push_back(object);
}
void CObjectManager::DeleteObject(CObjectEntry* entry)
{
std::vector<CObjectEntry*>& objects=m_ObjectTypes[entry->m_Type].m_Objects;
typedef std::vector<CObjectEntry*>::iterator Iter;
Iter i=std::find(objects.begin(),objects.end(),entry);
if (i!=objects.end()) {
objects.erase(i);
}
delete entry;
}
void CObjectManager::LoadObjects()
{
// find all the object types by directory name
BuildObjectTypes();
// now iterate through terrain types loading all textures of that type
for (uint i=0;i<m_ObjectTypes.size();i++) {
LoadObjects(i);
}
}
void CObjectManager::BuildObjectTypes()
{
struct _finddata_t file;
long handle;
// Find first matching directory in terrain\textures
if ((handle=_findfirst("mods\\official\\art\\actors\\*",&file))!=-1) {
if ((file.attrib & _A_SUBDIR) && file.name[0]!='.') {
AddObjectType(file.name);
}
// Find the rest of the matching files
while( _findnext(handle,&file)==0) {
if ((file.attrib & _A_SUBDIR) && file.name[0]!='.') {
AddObjectType(file.name);
}
}
_findclose(handle);
}
}
void CObjectManager::LoadObjects(int type)
{
struct _finddata_t file;
long handle;
// build pathname
CStr pathname("mods\\official\\art\\actors\\");
pathname+=m_ObjectTypes[type].m_Name;
pathname+="\\";
CStr findname(pathname);
findname+="*.xml";
// Find first matching file in directory for this terrain type
if ((handle=_findfirst((const char*) findname,&file))!=-1) {
CObjectEntry* object=new CObjectEntry(type);
CStr filename(pathname);
filename+=file.name;
if (!object->Load((const char*) filename)) {
delete object;
} else {
AddObject(object,type);
}
// Find the rest of the matching files
while( _findnext(handle,&file)==0) {
CObjectEntry* object=new CObjectEntry(type);
CStr filename(pathname);
filename+=file.name;
if (!object->Load((const char*) filename)) {
delete object;
} else {
AddObject(object,type);
}
}
_findclose(handle);
}
}

92
source/terrain/ObjectManager.h
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@ -1,47 +1,47 @@
#ifndef _OBJECTMANAGER_H
#define _OBJECTMANAGER_H
#include <vector>
#include "ObjectEntry.h"
class CObjectManager
{
public:
struct SObjectType
{
// name of this object type (derived from directory name)
CStr m_Name;
// index in parent array
int m_Index;
// list of objects of this type (found from the objects directory)
std::vector<CObjectEntry*> m_Objects;
};
public:
CObjectManager();
void LoadObjects();
void AddObjectType(const char* name);
CObjectEntry* FindObject(const char* objname);
void AddObject(CObjectEntry* entry,int type);
void DeleteObject(CObjectEntry* entry);
CObjectEntry* GetSelectedObject() const { return m_SelectedObject; }
void SetSelectedObject(CObjectEntry* obj) { m_SelectedObject=obj; }
std::vector<SObjectType> m_ObjectTypes;
private:
void BuildObjectTypes();
void LoadObjects(int type);
CObjectEntry* m_SelectedObject;
};
extern CObjectManager g_ObjMan;
#ifndef _OBJECTMANAGER_H
#define _OBJECTMANAGER_H
#include <vector>
#include "ObjectEntry.h"
class CObjectManager
{
public:
struct SObjectType
{
// name of this object type (derived from directory name)
CStr m_Name;
// index in parent array
int m_Index;
// list of objects of this type (found from the objects directory)
std::vector<CObjectEntry*> m_Objects;
};
public:
CObjectManager();
void LoadObjects();
void AddObjectType(const char* name);
CObjectEntry* FindObject(const char* objname);
void AddObject(CObjectEntry* entry,int type);
void DeleteObject(CObjectEntry* entry);
CObjectEntry* GetSelectedObject() const { return m_SelectedObject; }
void SetSelectedObject(CObjectEntry* obj) { m_SelectedObject=obj; }
std::vector<SObjectType> m_ObjectTypes;
private:
void BuildObjectTypes();
void LoadObjects(int type);
CObjectEntry* m_SelectedObject;
};
extern CObjectManager g_ObjMan;
#endif

120
source/terrain/Patch.cpp
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@ -1,60 +1,60 @@
///////////////////////////////////////////////////////////////////////////////
//
// Name: ModelDef.cpp
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#include "Patch.h"
#include "Terrain.h"
///////////////////////////////////////////////////////////////////////////////
// CPatch constructor
CPatch::CPatch() : m_Parent(0)
{
}
///////////////////////////////////////////////////////////////////////////////
// CPatch destructor
CPatch::~CPatch()
{
}
///////////////////////////////////////////////////////////////////////////////
// Initialize: setup patch data
void CPatch::Initialize(CTerrain* parent,u32 x,u32 z)
{
delete m_RenderData;
m_RenderData=0;
m_Parent=parent;
m_X=x;
m_Z=z;
// set parent of each patch
for (int j=0;j<16;j++) {
for (int i=0;i<16;i++) {
m_MiniPatches[j][i].m_Parent=this;
}
}
CalcBounds();
}
///////////////////////////////////////////////////////////////////////////////
// CalcBounds: calculating the bounds of this patch
void CPatch::CalcBounds()
{
m_Bounds.SetEmpty();
for (int j=0;j<PATCH_SIZE+1;j++) {
for (int i=0;i<PATCH_SIZE+1;i++) {
CVector3D pos;
m_Parent->CalcPosition(m_X*PATCH_SIZE+i,m_Z*PATCH_SIZE+j,pos);
m_Bounds+=pos;
}
}
}
///////////////////////////////////////////////////////////////////////////////
//
// Name: ModelDef.cpp
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#include "Patch.h"
#include "Terrain.h"
///////////////////////////////////////////////////////////////////////////////
// CPatch constructor
CPatch::CPatch() : m_Parent(0)
{
}
///////////////////////////////////////////////////////////////////////////////
// CPatch destructor
CPatch::~CPatch()
{
}
///////////////////////////////////////////////////////////////////////////////
// Initialize: setup patch data
void CPatch::Initialize(CTerrain* parent,u32 x,u32 z)
{
delete m_RenderData;
m_RenderData=0;
m_Parent=parent;
m_X=x;
m_Z=z;
// set parent of each patch
for (int j=0;j<16;j++) {
for (int i=0;i<16;i++) {
m_MiniPatches[j][i].m_Parent=this;
}
}
CalcBounds();
}
///////////////////////////////////////////////////////////////////////////////
// CalcBounds: calculating the bounds of this patch
void CPatch::CalcBounds()
{
m_Bounds.SetEmpty();
for (int j=0;j<PATCH_SIZE+1;j++) {
for (int i=0;i<PATCH_SIZE+1;i++) {
CVector3D pos;
m_Parent->CalcPosition(m_X*PATCH_SIZE+i,m_Z*PATCH_SIZE+j,pos);
m_Bounds+=pos;
}
}
}

84
source/terrain/Patch.h
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@ -1,42 +1,42 @@
///////////////////////////////////////////////////////////////////////////////
//
// Name: Patch.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _PATCH_H
#define _PATCH_H
#include "MiniPatch.h"
#include "RenderableObject.h"
class CTerrain;
///////////////////////////////////////////////////////////////////////////////
// CPatch: a single terrain patch, 16 tiles square
class CPatch : public CRenderableObject
{
public:
// constructor
CPatch();
// destructor
~CPatch();
// initialize the patch
void Initialize(CTerrain* parent,u32 x,u32 z);
// calculate and store bounds of this patch
void CalcBounds();
public:
// minipatches (tiles) making up the patch
CMiniPatch m_MiniPatches[16][16];
// position of patch in parent terrain grid
u32 m_X,m_Z;
// parent terrain
CTerrain* m_Parent;
};
#endif
///////////////////////////////////////////////////////////////////////////////
//
// Name: Patch.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _PATCH_H
#define _PATCH_H
#include "MiniPatch.h"
#include "RenderableObject.h"
class CTerrain;
///////////////////////////////////////////////////////////////////////////////
// CPatch: a single terrain patch, 16 tiles square
class CPatch : public CRenderableObject
{
public:
// constructor
CPatch();
// destructor
~CPatch();
// initialize the patch
void Initialize(CTerrain* parent,u32 x,u32 z);
// calculate and store bounds of this patch
void CalcBounds();
public:
// minipatches (tiles) making up the patch
CMiniPatch m_MiniPatches[16][16];
// position of patch in parent terrain grid
u32 m_X,m_Z;
// parent terrain
CTerrain* m_Parent;
};
#endif

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source/terrain/PatchRData.cpp
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182
source/terrain/PatchRData.h
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#ifndef _PATCHRDATA_H
#define _PATCHRDATA_H
#include <vector>
#include "res/res.h"
#include "Color.h"
#include "Vector3D.h"
#include "RenderableObject.h"
class CPatch;
class CPatchRData : public CRenderData
{
public:
CPatchRData(CPatch* patch);
~CPatchRData();
void Update();
void RenderBase();
void RenderBlends();
void RenderOutline();
void RenderStreams(u32 streamflags);
private:
// build this renderdata object
void Build();
void BuildBlends();
void BuildIndices();
void BuildVertices();
struct SSplat {
SSplat() : m_Texture(0), m_IndexCount(0) {}
// handle of texture to apply during splat
Handle m_Texture;
// offset into the index array for this patch where splat starts
u32 m_IndexStart;
// number of indices used by splat
u32 m_IndexCount;
};
struct SBaseVertex {
// vertex position
CVector3D m_Position;
// vertex color
SColor4ub m_Color;
// vertex uvs for base texture
float m_UVs[2];
};
struct SBlendVertex {
// vertex position
CVector3D m_Position;
// vertex color
SColor4ub m_Color;
// vertex uvs for base texture
float m_UVs[2];
// vertex uvs for alpha texture
float m_AlphaUVs[2];
};
struct STex {
bool operator==(const STex& rhs) const { return m_Handle==rhs.m_Handle; }
bool operator<(const STex& rhs) const { return m_Priority<rhs.m_Priority; }
Handle m_Handle;
int m_Priority;
};
// owner patch
CPatch* m_Patch;
// vertex buffer handle for base vertices
u32 m_VBBase;
// vertex buffer handle for blend vertices
u32 m_VBBlends;
// patch render vertices
SBaseVertex* m_Vertices;
// patch index list
std::vector<unsigned short> m_Indices;
// list of base splats to apply to this patch
std::vector<SSplat> m_Splats;
// vertices to use for blending transition texture passes
std::vector<SBlendVertex> m_BlendVertices;
// indices into blend vertices for the blend splats
std::vector<unsigned short> m_BlendIndices;
// splats used in blend pass
std::vector<SSplat> m_BlendSplats;
};
#endif
#ifndef _PATCHRDATA_H
#define _PATCHRDATA_H
#include <vector>
#include "res/res.h"
#include "Color.h"
#include "Vector3D.h"
#include "RenderableObject.h"
class CPatch;
class CPatchRData : public CRenderData
{
public:
CPatchRData(CPatch* patch);
~CPatchRData();
void Update();
void RenderBase();
void RenderBlends();
void RenderOutline();
void RenderStreams(u32 streamflags);
private:
// build this renderdata object
void Build();
void BuildBlends();
void BuildIndices();
void BuildVertices();
struct SSplat {
SSplat() : m_Texture(0), m_IndexCount(0) {}
// handle of texture to apply during splat
Handle m_Texture;
// offset into the index array for this patch where splat starts
u32 m_IndexStart;
// number of indices used by splat
u32 m_IndexCount;
};
struct SBaseVertex {
// vertex position
CVector3D m_Position;
// vertex color
SColor4ub m_Color;
// vertex uvs for base texture
float m_UVs[2];
};
struct SBlendVertex {
// vertex position
CVector3D m_Position;
// vertex color
SColor4ub m_Color;
// vertex uvs for base texture
float m_UVs[2];
// vertex uvs for alpha texture
float m_AlphaUVs[2];
};
struct STex {
bool operator==(const STex& rhs) const { return m_Handle==rhs.m_Handle; }
bool operator<(const STex& rhs) const { return m_Priority<rhs.m_Priority; }
Handle m_Handle;
int m_Priority;
};
// owner patch
CPatch* m_Patch;
// vertex buffer handle for base vertices
u32 m_VBBase;
// vertex buffer handle for blend vertices
u32 m_VBBlends;
// patch render vertices
SBaseVertex* m_Vertices;
// patch index list
std::vector<unsigned short> m_Indices;
// list of base splats to apply to this patch
std::vector<SSplat> m_Splats;
// vertices to use for blending transition texture passes
std::vector<SBlendVertex> m_BlendVertices;
// indices into blend vertices for the blend splats
std::vector<unsigned short> m_BlendIndices;
// splats used in blend pass
std::vector<SSplat> m_BlendSplats;
};
#endif

378
source/terrain/Quaternion.cpp
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@ -1,189 +1,189 @@
/************************************************************
*
* File Name: Quaternion.Cpp
*
* Description:
*
************************************************************/
#include "Quaternion.h"
const float EPSILON=0.0001f;
CQuaternion::CQuaternion()
{
m_V.Clear ();
m_W = 0;
}
//quaternion addition
CQuaternion CQuaternion::operator + (CQuaternion &quat)
{
CQuaternion Temp;
Temp.m_W = m_W + quat.m_W;
Temp.m_V = m_V + quat.m_V;
return Temp;
}
//quaternion addition/assignment
CQuaternion &CQuaternion::operator += (CQuaternion &quat)
{
m_W += quat.m_W;
m_V += quat.m_V;
return (*this);
}
//quaternion multiplication
CQuaternion CQuaternion::operator * (CQuaternion &quat)
{
CQuaternion Temp;
Temp.m_W = (m_W * quat.m_W) - (m_V.Dot(quat.m_V));
Temp.m_V = (m_V.Cross(quat.m_V)) + (quat.m_V * m_W) + (m_V * quat.m_W);
return Temp;
}
//quaternion multiplication/assignment
CQuaternion &CQuaternion::operator *= (CQuaternion &quat)
{
(*this) = (*this) * quat;
return (*this);
}
void CQuaternion::FromEularAngles (float x, float y, float z)
{
float cr, cp, cy;
float sr, sp, sy;
CQuaternion QRoll, QPitch, QYaw;
cr = cosf(x * 0.5f);
cp = cosf(y * 0.5f);
cy = cosf(z * 0.5f);
sr = sinf(x * 0.5f);
sp = sinf(y * 0.5f);
sy = sinf(z * 0.5f);
QRoll.m_V.Set (sr,0,0);
QRoll.m_W = cr;
QPitch.m_V.Set (0,sp,0);
QPitch.m_W = cp;
QYaw.m_V.Set (0,0,sy);
QYaw.m_W = cy;
(*this) = QYaw * QPitch * QRoll;
}
CMatrix3D CQuaternion::ToMatrix () const
{
CMatrix3D result;
ToMatrix(result);
return result;
}
void CQuaternion::ToMatrix(CMatrix3D& result) const
{
float x2, y2, z2;
float wx, wy, wz, xx, xy, xz, yy, yz, zz;
// calculate coefficients
x2 = m_V.X + m_V.X;
y2 = m_V.Y + m_V.Y;
z2 = m_V.Z + m_V.Z;
xx = m_V.X * x2;
xy = m_V.X * y2;
xz = m_V.X * z2;
yy = m_V.Y * y2;
yz = m_V.Y * z2;
zz = m_V.Z * z2;
wx = m_W * x2;
wy = m_W * y2;
wz = m_W * z2;
result._11 = 1.0f - (yy + zz);
result._12 = xy - wz;
result._13 = xz + wy;
result._14 = 0;
result._21 = xy + wz;
result._22 = 1.0f - (xx + zz);
result._23 = yz - wx;
result._24 = 0;
result._31 = xz - wy;
result._32 = yz + wx;
result._33 = 1.0f - (xx + yy);
result._34 = 0;
result._41 = 0;
result._42 = 0;
result._43 = 0;
result._44 = 1;
}
void CQuaternion::Slerp(const CQuaternion& from,const CQuaternion& to, float ratio)
{
float to1[4];
float omega, cosom, sinom, scale0, scale1;
// calc cosine
cosom = from.m_V.X * to.m_V.X +
from.m_V.Y * to.m_V.Y +
from.m_V.Z * to.m_V.Z +
from.m_W * to.m_W;
// adjust signs (if necessary)
if (cosom < 0.0)
{
cosom = -cosom;
to1[0] = -to.m_V.X;
to1[1] = -to.m_V.Y;
to1[2] = -to.m_V.Z;
to1[3] = -to.m_W;
}
else
{
to1[0] = to.m_V.X;
to1[1] = to.m_V.Y;
to1[2] = to.m_V.Z;
to1[3] = to.m_W;
}
// calculate coefficients
if ((1.0f - cosom) > EPSILON)
{
// standard case (slerp)
omega = acosf(cosom);
sinom = sinf(omega);
scale0 = sinf((1.0f - ratio) * omega) / sinom;
scale1 = sinf(ratio * omega) / sinom;
}
else
{
// "from" and "to" quaternions are very close
// ... so we can do a linear interpolation
scale0 = 1.0f - ratio;
scale1 = ratio;
}
// calculate final values
m_V.X = scale0 * from.m_V.X + scale1 * to1[0];
m_V.Y = scale0 * from.m_V.Y + scale1 * to1[1];
m_V.Z = scale0 * from.m_V.Z + scale1 * to1[2];
m_W = scale0 * from.m_W + scale1 * to1[3];
}
/************************************************************
*
* File Name: Quaternion.Cpp
*
* Description:
*
************************************************************/
#include "Quaternion.h"
const float EPSILON=0.0001f;
CQuaternion::CQuaternion()
{
m_V.Clear ();
m_W = 0;
}
//quaternion addition
CQuaternion CQuaternion::operator + (CQuaternion &quat)
{
CQuaternion Temp;
Temp.m_W = m_W + quat.m_W;
Temp.m_V = m_V + quat.m_V;
return Temp;
}
//quaternion addition/assignment
CQuaternion &CQuaternion::operator += (CQuaternion &quat)
{
m_W += quat.m_W;
m_V += quat.m_V;
return (*this);
}
//quaternion multiplication
CQuaternion CQuaternion::operator * (CQuaternion &quat)
{
CQuaternion Temp;
Temp.m_W = (m_W * quat.m_W) - (m_V.Dot(quat.m_V));
Temp.m_V = (m_V.Cross(quat.m_V)) + (quat.m_V * m_W) + (m_V * quat.m_W);
return Temp;
}
//quaternion multiplication/assignment
CQuaternion &CQuaternion::operator *= (CQuaternion &quat)
{
(*this) = (*this) * quat;
return (*this);
}
void CQuaternion::FromEularAngles (float x, float y, float z)
{
float cr, cp, cy;
float sr, sp, sy;
CQuaternion QRoll, QPitch, QYaw;
cr = cosf(x * 0.5f);
cp = cosf(y * 0.5f);
cy = cosf(z * 0.5f);
sr = sinf(x * 0.5f);
sp = sinf(y * 0.5f);
sy = sinf(z * 0.5f);
QRoll.m_V.Set (sr,0,0);
QRoll.m_W = cr;
QPitch.m_V.Set (0,sp,0);
QPitch.m_W = cp;
QYaw.m_V.Set (0,0,sy);
QYaw.m_W = cy;
(*this) = QYaw * QPitch * QRoll;
}
CMatrix3D CQuaternion::ToMatrix () const
{
CMatrix3D result;
ToMatrix(result);
return result;
}
void CQuaternion::ToMatrix(CMatrix3D& result) const
{
float x2, y2, z2;
float wx, wy, wz, xx, xy, xz, yy, yz, zz;
// calculate coefficients
x2 = m_V.X + m_V.X;
y2 = m_V.Y + m_V.Y;
z2 = m_V.Z + m_V.Z;
xx = m_V.X * x2;
xy = m_V.X * y2;
xz = m_V.X * z2;
yy = m_V.Y * y2;
yz = m_V.Y * z2;
zz = m_V.Z * z2;
wx = m_W * x2;
wy = m_W * y2;
wz = m_W * z2;
result._11 = 1.0f - (yy + zz);
result._12 = xy - wz;
result._13 = xz + wy;
result._14 = 0;
result._21 = xy + wz;
result._22 = 1.0f - (xx + zz);
result._23 = yz - wx;
result._24 = 0;
result._31 = xz - wy;
result._32 = yz + wx;
result._33 = 1.0f - (xx + yy);
result._34 = 0;
result._41 = 0;
result._42 = 0;
result._43 = 0;
result._44 = 1;
}
void CQuaternion::Slerp(const CQuaternion& from,const CQuaternion& to, float ratio)
{
float to1[4];
float omega, cosom, sinom, scale0, scale1;
// calc cosine
cosom = from.m_V.X * to.m_V.X +
from.m_V.Y * to.m_V.Y +
from.m_V.Z * to.m_V.Z +
from.m_W * to.m_W;
// adjust signs (if necessary)
if (cosom < 0.0)
{
cosom = -cosom;
to1[0] = -to.m_V.X;
to1[1] = -to.m_V.Y;
to1[2] = -to.m_V.Z;
to1[3] = -to.m_W;
}
else
{
to1[0] = to.m_V.X;
to1[1] = to.m_V.Y;
to1[2] = to.m_V.Z;
to1[3] = to.m_W;
}
// calculate coefficients
if ((1.0f - cosom) > EPSILON)
{
// standard case (slerp)
omega = acosf(cosom);
sinom = sinf(omega);
scale0 = sinf((1.0f - ratio) * omega) / sinom;
scale1 = sinf(ratio * omega) / sinom;
}
else
{
// "from" and "to" quaternions are very close
// ... so we can do a linear interpolation
scale0 = 1.0f - ratio;
scale1 = ratio;
}
// calculate final values
m_V.X = scale0 * from.m_V.X + scale1 * to1[0];
m_V.Y = scale0 * from.m_V.Y + scale1 * to1[1];
m_V.Z = scale0 * from.m_V.Z + scale1 * to1[2];
m_W = scale0 * from.m_W + scale1 * to1[3];
}

86
source/terrain/Quaternion.h
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/************************************************************
*
* File Name: Quaternion.H
*
* Description:
*
************************************************************/
#ifndef QUATERNION_H
#define QUATERNION_H
#include "Matrix3D.h"
class CQuaternion
{
public:
CVector3D m_V;
float m_W;
public:
CQuaternion();
//quaternion addition
CQuaternion operator + (CQuaternion &quat);
//quaternion addition/assignment
CQuaternion &operator += (CQuaternion &quat);
//quaternion multiplication
CQuaternion operator * (CQuaternion &quat);
//quaternion multiplication/assignment
CQuaternion &operator *= (CQuaternion &quat);
void FromEularAngles (float x, float y, float z);
//convert the quaternion to matrix
CMatrix3D ToMatrix() const;
void ToMatrix(CMatrix3D& result) const;
//sphere interpolation
void Slerp(const CQuaternion& from,const CQuaternion& to, float ratio);
};
#endif
/************************************************************
*
* File Name: Quaternion.H
*
* Description:
*
************************************************************/
#ifndef QUATERNION_H
#define QUATERNION_H
#include "Matrix3D.h"
class CQuaternion
{
public:
CVector3D m_V;
float m_W;
public:
CQuaternion();
//quaternion addition
CQuaternion operator + (CQuaternion &quat);
//quaternion addition/assignment
CQuaternion &operator += (CQuaternion &quat);
//quaternion multiplication
CQuaternion operator * (CQuaternion &quat);
//quaternion multiplication/assignment
CQuaternion &operator *= (CQuaternion &quat);
void FromEularAngles (float x, float y, float z);
//convert the quaternion to matrix
CMatrix3D ToMatrix() const;
void ToMatrix(CMatrix3D& result) const;
//sphere interpolation
void Slerp(const CQuaternion& from,const CQuaternion& to, float ratio);
};
#endif

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source/terrain/RenderableObject.h
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///////////////////////////////////////////////////////////////////////////////
//
// Name: RenderableObject.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _RENDERABLEOBJECT_H
#define _RENDERABLEOBJECT_H
#include <assert.h>
#include "res/res.h"
#include "terrain/Bound.h"
#include "terrain/Matrix3D.h"
// dirty flags - used as notification to the renderer that some bit of data
// need updating
#define RENDERDATA_UPDATE_VERTICES (1<<1)
#define RENDERDATA_UPDATE_INDICES (1<<2)
///////////////////////////////////////////////////////////////////////////////
// CRenderData: base class of all the renderer's renderdata classes - the
// derived class stores necessary information for rendering an object of a
// particular type
class CRenderData
{
public:
CRenderData() : m_UpdateFlags(0) {}
virtual ~CRenderData() {}
u32 m_UpdateFlags;
};
///////////////////////////////////////////////////////////////////////////////
// CRenderableObject: base class of all renderable objects - patches, models,
// sprites, etc; stores position and bound information, and a pointer to
// some renderdata necessary for the renderer to actually render it
class CRenderableObject
{
public:
// constructor
CRenderableObject() : m_RenderData(0) {
m_Transform.SetIdentity();
}
// destructor
virtual ~CRenderableObject() { delete m_RenderData; }
// set object transform
void SetTransform(const CMatrix3D& transform) {
m_Transform=transform;
CalcBounds();
}
// get object transform
const CMatrix3D& GetTransform() const { return m_Transform; }
// mark some part of the renderdata as dirty, and requiring
// an update on next render
void SetDirty(u32 dirtyflags) {
if (m_RenderData) m_RenderData->m_UpdateFlags|=dirtyflags;
}
// calculate (and store in m_Bounds) the world space bounds of this object
// - must be implemented by all concrete subclasses
virtual void CalcBounds() = 0;
// return world space bounds of this object
const CBound& GetBounds() const { return m_Bounds; }
// set the object renderdata
// TODO,RC 10/04/04 - need to delete existing renderdata here, or can we
// assume the renderer won't set renderdata when an object already has it?
// - just assert we've no renderdata at the minute
void SetRenderData(CRenderData* renderdata) {
assert(m_RenderData==0);
m_RenderData=renderdata;
}
// return object renderdata - can be null if renderer hasn't yet
// created the renderdata
CRenderData* GetRenderData() { return m_RenderData; }
protected:
// object bounds
CBound m_Bounds;
// local->world space transform
CMatrix3D m_Transform;
// object renderdata
CRenderData* m_RenderData;
};
#endif
///////////////////////////////////////////////////////////////////////////////
//
// Name: RenderableObject.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _RENDERABLEOBJECT_H
#define _RENDERABLEOBJECT_H
#include <assert.h>
#include "res/res.h"
#include "terrain/Bound.h"
#include "terrain/Matrix3D.h"
// dirty flags - used as notification to the renderer that some bit of data
// need updating
#define RENDERDATA_UPDATE_VERTICES (1<<1)
#define RENDERDATA_UPDATE_INDICES (1<<2)
///////////////////////////////////////////////////////////////////////////////
// CRenderData: base class of all the renderer's renderdata classes - the
// derived class stores necessary information for rendering an object of a
// particular type
class CRenderData
{
public:
CRenderData() : m_UpdateFlags(0) {}
virtual ~CRenderData() {}
u32 m_UpdateFlags;
};
///////////////////////////////////////////////////////////////////////////////
// CRenderableObject: base class of all renderable objects - patches, models,
// sprites, etc; stores position and bound information, and a pointer to
// some renderdata necessary for the renderer to actually render it
class CRenderableObject
{
public:
// constructor
CRenderableObject() : m_RenderData(0) {
m_Transform.SetIdentity();
}
// destructor
virtual ~CRenderableObject() { delete m_RenderData; }
// set object transform
void SetTransform(const CMatrix3D& transform) {
m_Transform=transform;
CalcBounds();
}
// get object transform
const CMatrix3D& GetTransform() const { return m_Transform; }
// mark some part of the renderdata as dirty, and requiring
// an update on next render
void SetDirty(u32 dirtyflags) {
if (m_RenderData) m_RenderData->m_UpdateFlags|=dirtyflags;
}
// calculate (and store in m_Bounds) the world space bounds of this object
// - must be implemented by all concrete subclasses
virtual void CalcBounds() = 0;
// return world space bounds of this object
const CBound& GetBounds() const { return m_Bounds; }
// set the object renderdata
// TODO,RC 10/04/04 - need to delete existing renderdata here, or can we
// assume the renderer won't set renderdata when an object already has it?
// - just assert we've no renderdata at the minute
void SetRenderData(CRenderData* renderdata) {
assert(m_RenderData==0);
m_RenderData=renderdata;
}
// return object renderdata - can be null if renderer hasn't yet
// created the renderdata
CRenderData* GetRenderData() { return m_RenderData; }
protected:
// object bounds
CBound m_Bounds;
// local->world space transform
CMatrix3D m_Transform;
// object renderdata
CRenderData* m_RenderData;
};
#endif

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///////////////////////////////////////////////////////////////////////////////
//
// Name: Renderer.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
// Description: OpenGL renderer class; a higher level interface
// on top of OpenGL to handle rendering the basic visual games
// types - terrain, models, sprites, particles etc
//
///////////////////////////////////////////////////////////////////////////////
#ifndef RENDERER_H
#define RENDERER_H
#include <vector>
#include "res/res.h"
#include "ogl.h"
#include "Camera.h"
#include "Frustum.h"
#include "PatchRData.h"
#include "ModelRData.h"
#include "SHCoeffs.h"
#include "Terrain.h"
// necessary declarations
class CCamera;
class CPatch;
class CSprite;
class CParticleSys;
class COverlay;
class CMaterial;
class CLightEnv;
class CTexture;
class CTerrain;
// rendering modes
enum ERenderMode { WIREFRAME, SOLID, EDGED_FACES };
// stream flags
#define STREAM_POS 0x01
#define STREAM_NORMAL 0x02
#define STREAM_COLOR 0x04
#define STREAM_UV0 0x08
#define STREAM_UV1 0x10
#define STREAM_UV2 0x20
#define STREAM_UV3 0x40
//////////////////////////////////////////////////////////////////////////////////////////
// SVertex3D: simple 3D vertex declaration
struct SVertex3D
{
float m_Position[3];
float m_TexCoords[2];
unsigned int m_Color;
};
//////////////////////////////////////////////////////////////////////////////////////////
// SVertex2D: simple 2D vertex declaration
struct SVertex2D
{
float m_Position[2];
float m_TexCoords[2];
unsigned int m_Color;
};
///////////////////////////////////////////////////////////////////////////////////////////
// CRenderer: base renderer class - primary interface to the rendering engine
class CRenderer
{
public:
// various enumerations and renderer related constants
enum { NumAlphaMaps=14 };
enum Option {
OPT_NOVBO
};
// stats class - per frame counts of number of draw calls, poly counts etc
struct Stats {
// set all stats to zero
void Reset() { memset(this,0,sizeof(*this)); }
// add given stats to this stats
Stats& operator+=(const Stats& rhs) {
m_Counter++;
m_DrawCalls+=rhs.m_DrawCalls;
m_TerrainTris+=rhs.m_TerrainTris;
m_ModelTris+=rhs.m_ModelTris;
m_TransparentTris+=rhs.m_TransparentTris;
m_BlendSplats+=rhs.m_BlendSplats;
return *this;
}
// count of the number of stats added together
u32 m_Counter;
// number of draw calls per frame - total DrawElements + Begin/End immediate mode loops
u32 m_DrawCalls;
// number of terrain triangles drawn
u32 m_TerrainTris;
// number of (non-transparent) model triangles drawn
u32 m_ModelTris;
// number of transparent model triangles drawn
u32 m_TransparentTris;
// number of splat passes for alphamapping
u32 m_BlendSplats;
};
public:
// constructor, destructor
CRenderer();
~CRenderer();
// open up the renderer: performs any necessary initialisation
bool Open(int width,int height,int depth);
// shutdown the renderer: performs any necessary cleanup
void Close();
// resize renderer view
void Resize(int width,int height);
// set boolean renderer option
void SetOption(enum Option opt,bool value);
// return view width
int GetWidth() const { return m_Width; }
// return view height
int GetHeight() const { return m_Height; }
// return view aspect ratio
float GetAspect() const { return float(m_Width)/float(m_Height); }
// signal frame start
void BeginFrame();
// force rendering of any batched objects
void FlushFrame();
// signal frame end : implicitly flushes batched objects
void EndFrame();
// set color used to clear screen in BeginFrame()
void SetClearColor(u32 color);
// return current frame counter
int GetFrameCounter() const { return m_FrameCounter; }
// set camera used for subsequent rendering operations; includes viewport, projection and modelview matrices
void SetCamera(CCamera& camera);
// submission of objects for rendering; the passed matrix indicating the transform must be scoped such that it is valid beyond
// the call to frame end, as must the object itself
void Submit(CPatch* patch);
void Submit(CModel* model);
void Submit(CSprite* sprite);
void Submit(CParticleSys* psys);
void Submit(COverlay* overlay);
// basic primitive rendering operations in 2 and 3D; handy for debugging stuff, but also useful in
// editor tools (eg for highlighting specific terrain patches)
// note:
// * all 3D vertices specified in world space
// * primitive operations rendered immediatedly, never batched
// * primitives rendered in current material (set via SetMaterial)
void RenderLine(const SVertex2D* vertices);
void RenderLineLoop(int len,const SVertex2D* vertices);
void RenderTri(const SVertex2D* vertices);
void RenderQuad(const SVertex2D* vertices);
void RenderLine(const SVertex3D* vertices);
void RenderLineLoop(int len,const SVertex3D* vertices);
void RenderTri(const SVertex3D* vertices);
void RenderQuad(const SVertex3D* vertices);
// set the current lighting environment; (note: the passed pointer is just copied to a variable within the renderer,
// so the lightenv passed must be scoped such that it is not destructed until after the renderer is no longer rendering)
void SetLightEnv(CLightEnv* lightenv) {
m_LightEnv=lightenv;
}
// set the mode to render subsequent terrain patches
void SetTerrainRenderMode(ERenderMode mode) { m_TerrainRenderMode=mode; }
// get the mode to render subsequent terrain patches
ERenderMode GetTerrainRenderMode() const { return m_TerrainRenderMode; }
// set the mode to render subsequent models
void SetModelRenderMode(ERenderMode mode) { m_ModelRenderMode=mode; }
// get the mode to render subsequent models
ERenderMode GetModelRenderMode() const { return m_ModelRenderMode; }
// try and load the given texture
bool LoadTexture(CTexture* texture);
// set the given unit to reference the given texture; pass a null texture to disable texturing on any unit
// note - active texture always set to given unit on exit
void SetTexture(int unit,CTexture* texture,u32 wrapflags=0);
// query transparency of given texture
bool IsTextureTransparent(CTexture* texture);
// load the default set of alphamaps; return false if any alphamap fails to load, true otherwise
bool LoadAlphaMaps(const char* fnames[]);
// return stats accumulated for current frame
const Stats& GetStats() { return m_Stats; }
protected:
friend class CPatchRData;
friend class CModelRData;
friend class CTransparencyRenderer;
// update renderdata of everything submitted
void UpdateSubmittedObjectData();
// patch rendering stuff
void RenderPatchSubmissions();
void RenderPatches();
// model rendering stuff
void BuildTransparentPasses(CModel* model);
void RenderModelSubmissions();
void RenderModels();
// RENDERER DATA:
// view width
int m_Width;
// view height
int m_Height;
// view depth (bpp)
int m_Depth;
// frame counter
int m_FrameCounter;
// current terrain rendering mode
ERenderMode m_TerrainRenderMode;
// current model rendering mode
ERenderMode m_ModelRenderMode;
// current view camera
CCamera m_Camera;
// color used to clear screen in BeginFrame
float m_ClearColor[4];
// submitted object lists for batching
std::vector<CPatch*> m_TerrainPatches;
std::vector<CModel*> m_Models;
std::vector<CSprite*> m_Sprites;
std::vector<CParticleSys*> m_ParticleSyses;
std::vector<COverlay*> m_Overlays;
// current lighting setup
CLightEnv* m_LightEnv;
// current spherical harmonic coefficients (for unit lighting), derived from lightenv
CSHCoeffs m_SHCoeffsUnits;
// current spherical harmonic coefficients (for terrain lighting), derived from lightenv
CSHCoeffs m_SHCoeffsTerrain;
// handle of composite alpha map (all the alpha maps packed into one texture)
u32 m_CompositeAlphaMap;
// coordinates of each (untransformed) alpha map within the packed texture
struct {
float u0,u1,v0,v1;
} m_AlphaMapCoords[NumAlphaMaps];
// renderer options
bool m_OptNOVBO;
// card capabilities
struct Caps {
bool m_VBO;
} m_Caps;
// build card cap bits
void EnumCaps();
// per-frame renderer stats
Stats m_Stats;
};
// declaration of sole renderer object
extern CRenderer g_Renderer;
#endif
///////////////////////////////////////////////////////////////////////////////
//
// Name: Renderer.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
// Description: OpenGL renderer class; a higher level interface
// on top of OpenGL to handle rendering the basic visual games
// types - terrain, models, sprites, particles etc
//
///////////////////////////////////////////////////////////////////////////////
#ifndef RENDERER_H
#define RENDERER_H
#include <vector>
#include "res/res.h"
#include "ogl.h"
#include "Camera.h"
#include "Frustum.h"
#include "PatchRData.h"
#include "ModelRData.h"
#include "SHCoeffs.h"
#include "Terrain.h"
// necessary declarations
class CCamera;
class CPatch;
class CSprite;
class CParticleSys;
class COverlay;
class CMaterial;
class CLightEnv;
class CTexture;
class CTerrain;
// rendering modes
enum ERenderMode { WIREFRAME, SOLID, EDGED_FACES };
// stream flags
#define STREAM_POS 0x01
#define STREAM_NORMAL 0x02
#define STREAM_COLOR 0x04
#define STREAM_UV0 0x08
#define STREAM_UV1 0x10
#define STREAM_UV2 0x20
#define STREAM_UV3 0x40
//////////////////////////////////////////////////////////////////////////////////////////
// SVertex3D: simple 3D vertex declaration
struct SVertex3D
{
float m_Position[3];
float m_TexCoords[2];
unsigned int m_Color;
};
//////////////////////////////////////////////////////////////////////////////////////////
// SVertex2D: simple 2D vertex declaration
struct SVertex2D
{
float m_Position[2];
float m_TexCoords[2];
unsigned int m_Color;
};
///////////////////////////////////////////////////////////////////////////////////////////
// CRenderer: base renderer class - primary interface to the rendering engine
class CRenderer
{
public:
// various enumerations and renderer related constants
enum { NumAlphaMaps=14 };
enum Option {
OPT_NOVBO
};
// stats class - per frame counts of number of draw calls, poly counts etc
struct Stats {
// set all stats to zero
void Reset() { memset(this,0,sizeof(*this)); }
// add given stats to this stats
Stats& operator+=(const Stats& rhs) {
m_Counter++;
m_DrawCalls+=rhs.m_DrawCalls;
m_TerrainTris+=rhs.m_TerrainTris;
m_ModelTris+=rhs.m_ModelTris;
m_TransparentTris+=rhs.m_TransparentTris;
m_BlendSplats+=rhs.m_BlendSplats;
return *this;
}
// count of the number of stats added together
u32 m_Counter;
// number of draw calls per frame - total DrawElements + Begin/End immediate mode loops
u32 m_DrawCalls;
// number of terrain triangles drawn
u32 m_TerrainTris;
// number of (non-transparent) model triangles drawn
u32 m_ModelTris;
// number of transparent model triangles drawn
u32 m_TransparentTris;
// number of splat passes for alphamapping
u32 m_BlendSplats;
};
public:
// constructor, destructor
CRenderer();
~CRenderer();
// open up the renderer: performs any necessary initialisation
bool Open(int width,int height,int depth);
// shutdown the renderer: performs any necessary cleanup
void Close();
// resize renderer view
void Resize(int width,int height);
// set boolean renderer option
void SetOption(enum Option opt,bool value);
// return view width
int GetWidth() const { return m_Width; }
// return view height
int GetHeight() const { return m_Height; }
// return view aspect ratio
float GetAspect() const { return float(m_Width)/float(m_Height); }
// signal frame start
void BeginFrame();
// force rendering of any batched objects
void FlushFrame();
// signal frame end : implicitly flushes batched objects
void EndFrame();
// set color used to clear screen in BeginFrame()
void SetClearColor(u32 color);
// return current frame counter
int GetFrameCounter() const { return m_FrameCounter; }
// set camera used for subsequent rendering operations; includes viewport, projection and modelview matrices
void SetCamera(CCamera& camera);
// submission of objects for rendering; the passed matrix indicating the transform must be scoped such that it is valid beyond
// the call to frame end, as must the object itself
void Submit(CPatch* patch);
void Submit(CModel* model);
void Submit(CSprite* sprite);
void Submit(CParticleSys* psys);
void Submit(COverlay* overlay);
// basic primitive rendering operations in 2 and 3D; handy for debugging stuff, but also useful in
// editor tools (eg for highlighting specific terrain patches)
// note:
// * all 3D vertices specified in world space
// * primitive operations rendered immediatedly, never batched
// * primitives rendered in current material (set via SetMaterial)
void RenderLine(const SVertex2D* vertices);
void RenderLineLoop(int len,const SVertex2D* vertices);
void RenderTri(const SVertex2D* vertices);
void RenderQuad(const SVertex2D* vertices);
void RenderLine(const SVertex3D* vertices);
void RenderLineLoop(int len,const SVertex3D* vertices);
void RenderTri(const SVertex3D* vertices);
void RenderQuad(const SVertex3D* vertices);
// set the current lighting environment; (note: the passed pointer is just copied to a variable within the renderer,
// so the lightenv passed must be scoped such that it is not destructed until after the renderer is no longer rendering)
void SetLightEnv(CLightEnv* lightenv) {
m_LightEnv=lightenv;
}
// set the mode to render subsequent terrain patches
void SetTerrainRenderMode(ERenderMode mode) { m_TerrainRenderMode=mode; }
// get the mode to render subsequent terrain patches
ERenderMode GetTerrainRenderMode() const { return m_TerrainRenderMode; }
// set the mode to render subsequent models
void SetModelRenderMode(ERenderMode mode) { m_ModelRenderMode=mode; }
// get the mode to render subsequent models
ERenderMode GetModelRenderMode() const { return m_ModelRenderMode; }
// try and load the given texture
bool LoadTexture(CTexture* texture);
// set the given unit to reference the given texture; pass a null texture to disable texturing on any unit
// note - active texture always set to given unit on exit
void SetTexture(int unit,CTexture* texture,u32 wrapflags=0);
// query transparency of given texture
bool IsTextureTransparent(CTexture* texture);
// load the default set of alphamaps; return false if any alphamap fails to load, true otherwise
bool LoadAlphaMaps(const char* fnames[]);
// return stats accumulated for current frame
const Stats& GetStats() { return m_Stats; }
protected:
friend class CPatchRData;
friend class CModelRData;
friend class CTransparencyRenderer;
// update renderdata of everything submitted
void UpdateSubmittedObjectData();
// patch rendering stuff
void RenderPatchSubmissions();
void RenderPatches();
// model rendering stuff
void BuildTransparentPasses(CModel* model);
void RenderModelSubmissions();
void RenderModels();
// RENDERER DATA:
// view width
int m_Width;
// view height
int m_Height;
// view depth (bpp)
int m_Depth;
// frame counter
int m_FrameCounter;
// current terrain rendering mode
ERenderMode m_TerrainRenderMode;
// current model rendering mode
ERenderMode m_ModelRenderMode;
// current view camera
CCamera m_Camera;
// color used to clear screen in BeginFrame
float m_ClearColor[4];
// submitted object lists for batching
std::vector<CPatch*> m_TerrainPatches;
std::vector<CModel*> m_Models;
std::vector<CSprite*> m_Sprites;
std::vector<CParticleSys*> m_ParticleSyses;
std::vector<COverlay*> m_Overlays;
// current lighting setup
CLightEnv* m_LightEnv;
// current spherical harmonic coefficients (for unit lighting), derived from lightenv
CSHCoeffs m_SHCoeffsUnits;
// current spherical harmonic coefficients (for terrain lighting), derived from lightenv
CSHCoeffs m_SHCoeffsTerrain;
// handle of composite alpha map (all the alpha maps packed into one texture)
u32 m_CompositeAlphaMap;
// coordinates of each (untransformed) alpha map within the packed texture
struct {
float u0,u1,v0,v1;
} m_AlphaMapCoords[NumAlphaMaps];
// renderer options
bool m_OptNOVBO;
// card capabilities
struct Caps {
bool m_VBO;
} m_Caps;
// build card cap bits
void EnumCaps();
// per-frame renderer stats
Stats m_Stats;
};
// declaration of sole renderer object
extern CRenderer g_Renderer;
#endif

154
source/terrain/SHCoeffs.cpp
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@ -1,77 +1,77 @@
//----------------------------------------------------------------
//
// Name: SHCoeffs.h
// Last Update: 25/11/03
// Author: Rich Cross
// Contact: rich@0ad.wildfiregames.com
//
// Description: implementation of 9 component spherical harmonic
// lighting
//----------------------------------------------------------------
#include "SHCoeffs.h"
CSHCoeffs::CSHCoeffs()
{
Clear();
}
void CSHCoeffs::Clear()
{
for (int i=0;i<9;i++) {
_data[i].Clear();
}
}
void CSHCoeffs::AddAmbientLight(const RGBColor& color)
{
_data[0]+=color;
}
void CSHCoeffs::AddDirectionalLight(const CVector3D& lightDir,const RGBColor& lightColor)
{
CVector3D dirToLight(-lightDir.X,-lightDir.Y,-lightDir.Z);
const float normalisation = PI*16/17;
const float c1 = SQR(0.282095f) * normalisation * 1.0f;
const float c2 = SQR(0.488603f) * normalisation * (2.0f/3.0f);
const float c3 = SQR(1.092548f) * normalisation * (1.0f/4.0f);
const float c4 = SQR(0.315392f) * normalisation * (1.0f/4.0f);
const float c5 = SQR(0.546274f) * normalisation * (1.0f/4.0f);
_data[0]+=lightColor*c1;
_data[1]+=lightColor*c2*dirToLight.X;
_data[2]+=lightColor*c2*dirToLight.Y;
_data[3]+=lightColor*c2*dirToLight.Z;
_data[4]+=lightColor*c3*dirToLight.X*dirToLight.Z;
_data[5]+=lightColor*c3*dirToLight.Z*dirToLight.Y;
_data[6]+=lightColor*c3*dirToLight.Y*dirToLight.X;
_data[7]+=lightColor*c4*(3.0f*SQR(dirToLight.Z)-1.0f);
_data[8]+=lightColor*c5*(SQR(dirToLight.X)-SQR(dirToLight.Y));
}
void CSHCoeffs::Evaluate(const CVector3D& normal,RGBColor& color) const
{
#if 1
float c4=normal.X*normal.Z;
float c5=normal.Z*normal.Y;
float c6=normal.Y*normal.X;
float c7=(3*SQR(normal.Z)-1.0f);
float c8=(SQR(normal.X)-SQR(normal.Y));
for (int i=0;i<3;i++) {
color[i]=_data[0][i];
color[i]+=_data[1][i]*normal.X;
color[i]+=_data[2][i]*normal.Y;
color[i]+=_data[3][i]*normal.Z;
color[i]+=_data[4][i]*c4;
color[i]+=_data[5][i]*c5;
color[i]+=_data[6][i]*c6;
color[i]+=_data[7][i]*c7;
color[i]+=_data[8][i]*c8;
}
#else
// debug aid: output quantised normal
color=RGBColor((normal.X+1)*0.5,(normal.Y+1)*0.5,(normal.Z+1)*0.5);
#endif
}
//----------------------------------------------------------------
//
// Name: SHCoeffs.h
// Last Update: 25/11/03
// Author: Rich Cross
// Contact: rich@0ad.wildfiregames.com
//
// Description: implementation of 9 component spherical harmonic
// lighting
//----------------------------------------------------------------
#include "SHCoeffs.h"
CSHCoeffs::CSHCoeffs()
{
Clear();
}
void CSHCoeffs::Clear()
{
for (int i=0;i<9;i++) {
_data[i].Clear();
}
}
void CSHCoeffs::AddAmbientLight(const RGBColor& color)
{
_data[0]+=color;
}
void CSHCoeffs::AddDirectionalLight(const CVector3D& lightDir,const RGBColor& lightColor)
{
CVector3D dirToLight(-lightDir.X,-lightDir.Y,-lightDir.Z);
const float normalisation = PI*16/17;
const float c1 = SQR(0.282095f) * normalisation * 1.0f;
const float c2 = SQR(0.488603f) * normalisation * (2.0f/3.0f);
const float c3 = SQR(1.092548f) * normalisation * (1.0f/4.0f);
const float c4 = SQR(0.315392f) * normalisation * (1.0f/4.0f);
const float c5 = SQR(0.546274f) * normalisation * (1.0f/4.0f);
_data[0]+=lightColor*c1;
_data[1]+=lightColor*c2*dirToLight.X;
_data[2]+=lightColor*c2*dirToLight.Y;
_data[3]+=lightColor*c2*dirToLight.Z;
_data[4]+=lightColor*c3*dirToLight.X*dirToLight.Z;
_data[5]+=lightColor*c3*dirToLight.Z*dirToLight.Y;
_data[6]+=lightColor*c3*dirToLight.Y*dirToLight.X;
_data[7]+=lightColor*c4*(3.0f*SQR(dirToLight.Z)-1.0f);
_data[8]+=lightColor*c5*(SQR(dirToLight.X)-SQR(dirToLight.Y));
}
void CSHCoeffs::Evaluate(const CVector3D& normal,RGBColor& color) const
{
#if 1
float c4=normal.X*normal.Z;
float c5=normal.Z*normal.Y;
float c6=normal.Y*normal.X;
float c7=(3*SQR(normal.Z)-1.0f);
float c8=(SQR(normal.X)-SQR(normal.Y));
for (int i=0;i<3;i++) {
color[i]=_data[0][i];
color[i]+=_data[1][i]*normal.X;
color[i]+=_data[2][i]*normal.Y;
color[i]+=_data[3][i]*normal.Z;
color[i]+=_data[4][i]*c4;
color[i]+=_data[5][i]*c5;
color[i]+=_data[6][i]*c6;
color[i]+=_data[7][i]*c7;
color[i]+=_data[8][i]*c8;
}
#else
// debug aid: output quantised normal
color=RGBColor((normal.X+1)*0.5,(normal.Y+1)*0.5,(normal.Z+1)*0.5);
#endif
}

210
source/terrain/SkeletonAnim.cpp
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@ -1,105 +1,105 @@
///////////////////////////////////////////////////////////////////////////////
//
// Name: SkeletonAnim.cpp
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#include "SkeletonAnim.h"
#include "FilePacker.h"
#include "FileUnpacker.h"
///////////////////////////////////////////////////////////////////////////////////////////
// CSkeletonAnim constructor
CSkeletonAnim::CSkeletonAnim() : m_Keys(0), m_NumKeys(0), m_NumFrames(0), m_FrameTime(0)
{
m_Name[0]='\0';
}
///////////////////////////////////////////////////////////////////////////////////////////
// CSkeletonAnim destructor
CSkeletonAnim::~CSkeletonAnim()
{
delete[] m_Keys;
}
///////////////////////////////////////////////////////////////////////////////////////////
// BuildBoneMatrices: build matrices for all bones at the given time (in MS) in this
// animation
void CSkeletonAnim::BuildBoneMatrices(float time,CMatrix3D* matrices) const
{
float fstartframe=time/m_FrameTime;
u32 startframe=u32(time/m_FrameTime);
float deltatime=fstartframe-startframe;
startframe%=m_NumFrames;
u32 endframe=startframe+1;
endframe%=m_NumFrames;
u32 i;
for (i=0;i<m_NumKeys;i++) {
const Key& startkey=GetKey(startframe,i);
const Key& endkey=GetKey(endframe,i);
CVector3D trans=startkey.m_Translation*(1-deltatime)+endkey.m_Translation*deltatime;
CQuaternion rot;
rot.Slerp(startkey.m_Rotation,endkey.m_Rotation,deltatime);
matrices[i].SetIdentity();
matrices[i].Rotate(rot);
matrices[i].Translate(trans);
}
}
///////////////////////////////////////////////////////////////////////////////////////////
// Load: try to load the anim from given file; return a new anim if successful
CSkeletonAnim* CSkeletonAnim::Load(const char* filename)
{
CFileUnpacker unpacker;
unpacker.Read(filename,"PSSA");
// check version
if (unpacker.GetVersion()<FILE_READ_VERSION) {
throw CFileUnpacker::CFileVersionError();
}
// unpack the data
CSkeletonAnim* anim=new CSkeletonAnim;
try {
CStr str;
unpacker.UnpackString(str);
strcpy(anim->m_Name,(const char*) str);
unpacker.UnpackRaw(&anim->m_FrameTime,sizeof(anim->m_FrameTime));
unpacker.UnpackRaw(&anim->m_NumKeys,sizeof(anim->m_NumKeys));
unpacker.UnpackRaw(&anim->m_NumFrames,sizeof(anim->m_NumFrames));
anim->m_Keys=new Key[anim->m_NumKeys*anim->m_NumFrames];
unpacker.UnpackRaw(anim->m_Keys,anim->m_NumKeys*anim->m_NumFrames*sizeof(Key));
} catch (...) {
delete anim;
throw CFileUnpacker::CFileEOFError();
}
return anim;
}
///////////////////////////////////////////////////////////////////////////////////////////
// Save: try to save anim to file
void CSkeletonAnim::Save(const char* filename,const CSkeletonAnim* anim)
{
CFilePacker packer;
// pack up all the data
packer.PackString(CStr(anim->m_Name));
packer.PackRaw(&anim->m_FrameTime,sizeof(anim->m_FrameTime));
packer.PackRaw(&anim->m_NumKeys,sizeof(anim->m_NumKeys));
packer.PackRaw(&anim->m_NumFrames,sizeof(anim->m_NumFrames));
packer.PackRaw(anim->m_Keys,anim->m_NumKeys*anim->m_NumFrames*sizeof(Key));
// now write it
packer.Write(filename,FILE_VERSION,"PSSA");
}
///////////////////////////////////////////////////////////////////////////////
//
// Name: SkeletonAnim.cpp
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#include "SkeletonAnim.h"
#include "FilePacker.h"
#include "FileUnpacker.h"
///////////////////////////////////////////////////////////////////////////////////////////
// CSkeletonAnim constructor
CSkeletonAnim::CSkeletonAnim() : m_Keys(0), m_NumKeys(0), m_NumFrames(0), m_FrameTime(0)
{
m_Name[0]='\0';
}
///////////////////////////////////////////////////////////////////////////////////////////
// CSkeletonAnim destructor
CSkeletonAnim::~CSkeletonAnim()
{
delete[] m_Keys;
}
///////////////////////////////////////////////////////////////////////////////////////////
// BuildBoneMatrices: build matrices for all bones at the given time (in MS) in this
// animation
void CSkeletonAnim::BuildBoneMatrices(float time,CMatrix3D* matrices) const
{
float fstartframe=time/m_FrameTime;
u32 startframe=u32(time/m_FrameTime);
float deltatime=fstartframe-startframe;
startframe%=m_NumFrames;
u32 endframe=startframe+1;
endframe%=m_NumFrames;
u32 i;
for (i=0;i<m_NumKeys;i++) {
const Key& startkey=GetKey(startframe,i);
const Key& endkey=GetKey(endframe,i);
CVector3D trans=startkey.m_Translation*(1-deltatime)+endkey.m_Translation*deltatime;
CQuaternion rot;
rot.Slerp(startkey.m_Rotation,endkey.m_Rotation,deltatime);
matrices[i].SetIdentity();
matrices[i].Rotate(rot);
matrices[i].Translate(trans);
}
}
///////////////////////////////////////////////////////////////////////////////////////////
// Load: try to load the anim from given file; return a new anim if successful
CSkeletonAnim* CSkeletonAnim::Load(const char* filename)
{
CFileUnpacker unpacker;
unpacker.Read(filename,"PSSA");
// check version
if (unpacker.GetVersion()<FILE_READ_VERSION) {
throw CFileUnpacker::CFileVersionError();
}
// unpack the data
CSkeletonAnim* anim=new CSkeletonAnim;
try {
CStr str;
unpacker.UnpackString(str);
strcpy(anim->m_Name,(const char*) str);
unpacker.UnpackRaw(&anim->m_FrameTime,sizeof(anim->m_FrameTime));
unpacker.UnpackRaw(&anim->m_NumKeys,sizeof(anim->m_NumKeys));
unpacker.UnpackRaw(&anim->m_NumFrames,sizeof(anim->m_NumFrames));
anim->m_Keys=new Key[anim->m_NumKeys*anim->m_NumFrames];
unpacker.UnpackRaw(anim->m_Keys,anim->m_NumKeys*anim->m_NumFrames*sizeof(Key));
} catch (...) {
delete anim;
throw CFileUnpacker::CFileEOFError();
}
return anim;
}
///////////////////////////////////////////////////////////////////////////////////////////
// Save: try to save anim to file
void CSkeletonAnim::Save(const char* filename,const CSkeletonAnim* anim)
{
CFilePacker packer;
// pack up all the data
packer.PackString(CStr(anim->m_Name));
packer.PackRaw(&anim->m_FrameTime,sizeof(anim->m_FrameTime));
packer.PackRaw(&anim->m_NumKeys,sizeof(anim->m_NumKeys));
packer.PackRaw(&anim->m_NumFrames,sizeof(anim->m_NumFrames));
packer.PackRaw(anim->m_Keys,anim->m_NumKeys*anim->m_NumFrames*sizeof(Key));
// now write it
packer.Write(filename,FILE_VERSION,"PSSA");
}

163
source/terrain/SkeletonAnim.h
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///////////////////////////////////////////////////////////////////////////////
//
// Name: SkeletonAnim.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _SKELETONANIM_H
#define _SKELETONANIM_H
#include "res/res.h"
#include "Vector3D.h"
#include "Quaternion.h"
// TODO, RC: ugh - remove; use CStr
#ifndef MAX_NAME_LENGTH
#define MAX_NAME_LENGTH 128
#endif
////////////////////////////////////////////////////////////////////////////////////////
// CBoneState: structure describing state of a bone at some point
class CBoneState
{
public:
// translation of bone relative to root
CVector3D m_Translation;
// rotation of bone relative to root
CQuaternion m_Rotation;
};
////////////////////////////////////////////////////////////////////////////////////////
// CSkeletonAnim: description of an animation that plays upon a skeleton
class CSkeletonAnim
{
public:
// current file version given to saved animations
enum { FILE_VERSION = 1 };
// supported file read version - files with a version less than this will be rejected
enum { FILE_READ_VERSION = 1 };
public:
// Key: description of a single key in a skeleton animation
typedef CBoneState Key;
public:
// CSkeletonAnim constructor + destructor
CSkeletonAnim();
~CSkeletonAnim();
// return the number of keys in this animation
u32 GetNumKeys() const { return m_NumKeys; }
// accessors: get a key for given bone at given time
Key& GetKey(u32 frame,u32 bone) { return m_Keys[frame*m_NumKeys+bone]; }
const Key& GetKey(u32 frame,u32 bone) const { return m_Keys[frame*m_NumKeys+bone]; }
// get duration of this anim, in ms
float GetDuration() const { return m_NumFrames*m_FrameTime; }
// build matrices for all bones at the given time (in MS) in this animation
void BuildBoneMatrices(float time,CMatrix3D* matrices) const;
// anim I/O functions
static CSkeletonAnim* Load(const char* filename);
static void Save(const char* filename,const CSkeletonAnim* anim);
public:
// name of the animation
char m_Name[MAX_NAME_LENGTH];
// frame time - time between successive frames, in ms
float m_FrameTime;
// number of keys in each frame - should match number of bones in the skeleton
u32 m_NumKeys;
// number of frames in the animation
u32 m_NumFrames;
// animation data - m_NumKeys*m_NumFrames total keys
Key* m_Keys;
};
///////////////////////////////////////////////////////////////////////////////
//
// Name: SkeletonAnim.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _SKELETONANIM_H
#define _SKELETONANIM_H
#include "res/res.h"
#include "Vector3D.h"
#include "Quaternion.h"
#ifndef MAX_NAME_LENGTH
#define MAX_NAME_LENGTH 128
#endif
////////////////////////////////////////////////////////////////////////////////////////
// CBoneState: structure describing state of a bone at some point
class CBoneState
{
public:
// translation of bone relative to root
CVector3D m_Translation;
// rotation of bone relative to root
CQuaternion m_Rotation;
};
////////////////////////////////////////////////////////////////////////////////////////
// CSkeletonAnim: description of an animation that plays upon a skeleton
class CSkeletonAnim
{
public:
// current file version given to saved animations
enum { FILE_VERSION = 1 };
// supported file read version - files with a version less than this will be rejected
enum { FILE_READ_VERSION = 1 };
public:
// Key: description of a single key in a skeleton animation
typedef CBoneState Key;
public:
// CSkeletonAnim constructor + destructor
CSkeletonAnim();
~CSkeletonAnim();
// return the number of keys in this animation
u32 GetNumKeys() const { return m_NumKeys; }
// accessors: get a key for given bone at given time
Key& GetKey(u32 frame,u32 bone) { return m_Keys[frame*m_NumKeys+bone]; }
const Key& GetKey(u32 frame,u32 bone) const { return m_Keys[frame*m_NumKeys+bone]; }
// get duration of this anim, in ms
float GetDuration() const { return m_NumFrames*m_FrameTime; }
// build matrices for all bones at the given time (in MS) in this animation
void BuildBoneMatrices(float time,CMatrix3D* matrices) const;
// anim I/O functions
static CSkeletonAnim* Load(const char* filename);
static void Save(const char* filename,const CSkeletonAnim* anim);
public:
// name of the animation
char m_Name[MAX_NAME_LENGTH];
// frame time - time between successive frames, in ms
float m_FrameTime;
// number of keys in each frame - should match number of bones in the skeleton
u32 m_NumKeys;
// number of frames in the animation
u32 m_NumFrames;
// animation data - m_NumKeys*m_NumFrames total keys
Key* m_Keys;
};
#endif

584
source/terrain/Terrain.cpp
View File

@ -1,292 +1,292 @@
///////////////////////////////////////////////////////////////////////////////
//
// Name: Terrain.cpp
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#include "res/tex.h"
#include "res/mem.h"
#include <string.h>
#include "Terrain.h"
///////////////////////////////////////////////////////////////////////////////
// CTerrain constructor
CTerrain::CTerrain() : m_Heightmap(0), m_Patches(0), m_MapSize(0), m_MapSizePatches(0)
{
}
///////////////////////////////////////////////////////////////////////////////
// CTerrain constructor
CTerrain::~CTerrain()
{
ReleaseData();
}
///////////////////////////////////////////////////////////////////////////////
// ReleaseData: delete any data allocated by this terrain
void CTerrain::ReleaseData()
{
delete[] m_Heightmap;
delete[] m_Patches;
}
///////////////////////////////////////////////////////////////////////////////
// Initialise: initialise this terrain to the given size (in patches per side);
// using given heightmap to setup elevation data
bool CTerrain::Initialize(u32 size,const u16* data)
{
// clean up any previous terrain
ReleaseData();
// store terrain size
m_MapSize=(size*PATCH_SIZE)+1;
m_MapSizePatches=size;
// allocate data for new terrain
m_Heightmap=new u16[m_MapSize*m_MapSize];
m_Patches=new CPatch[m_MapSizePatches*m_MapSizePatches];
// given a heightmap?
if (data) {
// yes; keep a copy of it
memcpy(m_Heightmap,data,m_MapSize*m_MapSize*sizeof(u16));
} else {
// build a flat terrain
memset(m_Heightmap,0,m_MapSize*m_MapSize*sizeof(u16));
}
// setup patch parents, indices etc
InitialisePatches();
return true;
}
///////////////////////////////////////////////////////////////////////////////
// CalcPosition: calculate the world space position of the vertex at (i,j)
void CTerrain::CalcPosition(u32 i,u32 j,CVector3D& pos)
{
u16 height=m_Heightmap[j*m_MapSize + i];
pos.X = float(i)*CELL_SIZE;
pos.Y = float(height)*HEIGHT_SCALE;
pos.Z = float(j)*CELL_SIZE;
}
///////////////////////////////////////////////////////////////////////////////
// CalcNormal: calculate the world space normal of the vertex at (i,j)
void CTerrain::CalcNormal(u32 i,u32 j,CVector3D& normal)
{
CVector3D left, right, up, down;
left.Clear();
right.Clear();
up.Clear();
down.Clear();
// get position of vertex where normal is being evaluated
CVector3D basepos;
CalcPosition(i,j,basepos);
CVector3D tmp;
if (i>0) {
CalcPosition(i-1,j,tmp);
left=tmp-basepos;
}
if (i<m_MapSize-1) {
CalcPosition(i+1,j,tmp);
right=tmp-basepos;
}
if (j>0) {
CalcPosition(i,j-1,tmp);
up=tmp-basepos;
}
if (j<m_MapSize-1) {
CalcPosition(i,j+1,tmp);
down=tmp-basepos;
}
CVector3D n0 = up.Cross(left);
CVector3D n1 = left.Cross(down);
CVector3D n2 = down.Cross(right);
CVector3D n3 = right.Cross(up);
normal = n0 + n1 + n2 + n3;
float nlen=normal.GetLength();
if (nlen>0.00001f) normal*=1.0f/nlen;
}
///////////////////////////////////////////////////////////////////////////////
// GetPatch: return the patch at (x,z) in patch space, or null if the patch is
// out of bounds
CPatch* CTerrain::GetPatch(int32 x,int32 z)
{
if (x<0 || x>=int32(m_MapSizePatches)) return 0;
if (z<0 || z>=int32(m_MapSizePatches)) return 0;
return &m_Patches[(z*m_MapSizePatches)+x];
}
///////////////////////////////////////////////////////////////////////////////
// GetPatch: return the tile at (x,z) in tile space, or null if the tile is out
// of bounds
CMiniPatch* CTerrain::GetTile(int32 x,int32 z)
{
if (x<0 || x>=int32(m_MapSize)-1) return 0;
if (z<0 || z>=int32(m_MapSize)-1) return 0;
CPatch* patch=GetPatch(x/16,z/16);
return &patch->m_MiniPatches[z%16][x%16];
}
///////////////////////////////////////////////////////////////////////////////
// Resize: resize this terrain to the given size (in patches per side)
void CTerrain::Resize(u32 size)
{
if (size==m_MapSizePatches) {
// inexplicable request to resize terrain to the same size .. ignore it
return;
}
if (!m_Heightmap) {
// not yet created a terrain; build a default terrain of the given size now
Initialize(size,0);
return;
}
// allocate data for new terrain
u32 newMapSize=(size*PATCH_SIZE)+1;
u16* newHeightmap=new u16[newMapSize*newMapSize];
CPatch* newPatches=new CPatch[size*size];
if (size>m_MapSizePatches) {
// new map is bigger than old one - zero the heightmap so we don't get uninitialised
// height data along the expanded edges
memset(newHeightmap,0,newMapSize*newMapSize);
}
// now copy over rows of data
u32 j;
u16* src=m_Heightmap;
u16* dst=newHeightmap;
u32 copysize=newMapSize>m_MapSize ? m_MapSize : newMapSize;
for (j=0;j<copysize;j++) {
memcpy(dst,src,copysize*sizeof(u16));
dst+=copysize;
src+=m_MapSize;
if (newMapSize>m_MapSize) {
// entend the last height to the end of the row
for (u32 i=0;i<newMapSize-m_MapSize;i++) {
*dst++=*(src-1);
}
}
}
if (newMapSize>m_MapSize) {
// copy over heights of the last row to any remaining rows
src=newHeightmap+((m_MapSize-1)*newMapSize);
dst=src+newMapSize;
for (u32 i=0;i<newMapSize-m_MapSize;i++) {
memcpy(dst,src,newMapSize*sizeof(u16));
dst+=newMapSize;
}
}
// now build new patches
for (j=0;j<size;j++) {
for (u32 i=0;i<size;i++) {
// copy over texture data from existing tiles, if possible
if (i<m_MapSizePatches && j<m_MapSizePatches) {
memcpy(newPatches[j*size+i].m_MiniPatches,m_Patches[j*m_MapSizePatches+i].m_MiniPatches,sizeof(CMiniPatch)*16*16);
}
}
if (j<m_MapSizePatches && size>m_MapSizePatches) {
// copy over the last tile from each column
for (u32 n=0;n<size-m_MapSizePatches;n++) {
for (int m=0;m<16;m++) {
CMiniPatch& src=m_Patches[j*m_MapSizePatches+m_MapSizePatches-1].m_MiniPatches[m][15];
for (int k=0;k<16;k++) {
CMiniPatch& dst=newPatches[j*size+m_MapSizePatches+n].m_MiniPatches[m][k];
dst.Tex1=src.Tex1;
dst.Tex1Priority=src.Tex1Priority;
}
}
}
}
}
if (size>m_MapSizePatches) {
// copy over the last tile from each column
CPatch* srcpatch=&newPatches[(m_MapSizePatches-1)*size];
CPatch* dstpatch=srcpatch+size;
for (u32 p=0;p<size-m_MapSizePatches;p++) {
for (u32 n=0;n<size;n++) {
for (int m=0;m<16;m++) {
for (int k=0;k<16;k++) {
CMiniPatch& src=srcpatch->m_MiniPatches[15][k];
CMiniPatch& dst=dstpatch->m_MiniPatches[m][k];
dst.Tex1=src.Tex1;
dst.Tex1Priority=src.Tex1Priority;
}
}
srcpatch++;
dstpatch++;
}
}
}
// release all the original data
ReleaseData();
// store new data
m_Heightmap=newHeightmap;
m_Patches=newPatches;
m_MapSize=newMapSize;
m_MapSizePatches=size;
// initialise all the new patches
InitialisePatches();
}
///////////////////////////////////////////////////////////////////////////////
// InitialisePatches: initialise patch data
void CTerrain::InitialisePatches()
{
for (u32 j=0;j<m_MapSizePatches;j++) {
for (u32 i=0;i<m_MapSizePatches;i++) {
CPatch* patch=GetPatch(i,j);
patch->Initialize(this,i,j);
}
}
}
///////////////////////////////////////////////////////////////////////////////
// SetHeightMap: set up a new heightmap from 16-bit source data;
// assumes heightmap matches current terrain size
void CTerrain::SetHeightMap(u16* heightmap)
{
// keep a copy of the given heightmap
memcpy(m_Heightmap,heightmap,m_MapSize*m_MapSize*sizeof(u16));
// recalculate patch bounds, invalidate vertices
for (u32 j=0;j<m_MapSizePatches;j++) {
for (u32 i=0;i<m_MapSizePatches;i++) {
CPatch* patch=GetPatch(i,j);
patch->CalcBounds();
patch->SetDirty(RENDERDATA_UPDATE_VERTICES);
}
}
}
///////////////////////////////////////////////////////////////////////////////
//
// Name: Terrain.cpp
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#include "res/tex.h"
#include "res/mem.h"
#include <string.h>
#include "Terrain.h"
///////////////////////////////////////////////////////////////////////////////
// CTerrain constructor
CTerrain::CTerrain() : m_Heightmap(0), m_Patches(0), m_MapSize(0), m_MapSizePatches(0)
{
}
///////////////////////////////////////////////////////////////////////////////
// CTerrain constructor
CTerrain::~CTerrain()
{
ReleaseData();
}
///////////////////////////////////////////////////////////////////////////////
// ReleaseData: delete any data allocated by this terrain
void CTerrain::ReleaseData()
{
delete[] m_Heightmap;
delete[] m_Patches;
}
///////////////////////////////////////////////////////////////////////////////
// Initialise: initialise this terrain to the given size (in patches per side);
// using given heightmap to setup elevation data
bool CTerrain::Initialize(u32 size,const u16* data)
{
// clean up any previous terrain
ReleaseData();
// store terrain size
m_MapSize=(size*PATCH_SIZE)+1;
m_MapSizePatches=size;
// allocate data for new terrain
m_Heightmap=new u16[m_MapSize*m_MapSize];
m_Patches=new CPatch[m_MapSizePatches*m_MapSizePatches];
// given a heightmap?
if (data) {
// yes; keep a copy of it
memcpy(m_Heightmap,data,m_MapSize*m_MapSize*sizeof(u16));
} else {
// build a flat terrain
memset(m_Heightmap,0,m_MapSize*m_MapSize*sizeof(u16));
}
// setup patch parents, indices etc
InitialisePatches();
return true;
}
///////////////////////////////////////////////////////////////////////////////
// CalcPosition: calculate the world space position of the vertex at (i,j)
void CTerrain::CalcPosition(u32 i,u32 j,CVector3D& pos)
{
u16 height=m_Heightmap[j*m_MapSize + i];
pos.X = float(i)*CELL_SIZE;
pos.Y = float(height)*HEIGHT_SCALE;
pos.Z = float(j)*CELL_SIZE;
}
///////////////////////////////////////////////////////////////////////////////
// CalcNormal: calculate the world space normal of the vertex at (i,j)
void CTerrain::CalcNormal(u32 i,u32 j,CVector3D& normal)
{
CVector3D left, right, up, down;
left.Clear();
right.Clear();
up.Clear();
down.Clear();
// get position of vertex where normal is being evaluated
CVector3D basepos;
CalcPosition(i,j,basepos);
CVector3D tmp;
if (i>0) {
CalcPosition(i-1,j,tmp);
left=tmp-basepos;
}
if (i<m_MapSize-1) {
CalcPosition(i+1,j,tmp);
right=tmp-basepos;
}
if (j>0) {
CalcPosition(i,j-1,tmp);
up=tmp-basepos;
}
if (j<m_MapSize-1) {
CalcPosition(i,j+1,tmp);
down=tmp-basepos;
}
CVector3D n0 = up.Cross(left);
CVector3D n1 = left.Cross(down);
CVector3D n2 = down.Cross(right);
CVector3D n3 = right.Cross(up);
normal = n0 + n1 + n2 + n3;
float nlen=normal.GetLength();
if (nlen>0.00001f) normal*=1.0f/nlen;
}
///////////////////////////////////////////////////////////////////////////////
// GetPatch: return the patch at (x,z) in patch space, or null if the patch is
// out of bounds
CPatch* CTerrain::GetPatch(int32 x,int32 z)
{
if (x<0 || x>=int32(m_MapSizePatches)) return 0;
if (z<0 || z>=int32(m_MapSizePatches)) return 0;
return &m_Patches[(z*m_MapSizePatches)+x];
}
///////////////////////////////////////////////////////////////////////////////
// GetPatch: return the tile at (x,z) in tile space, or null if the tile is out
// of bounds
CMiniPatch* CTerrain::GetTile(int32 x,int32 z)
{
if (x<0 || x>=int32(m_MapSize)-1) return 0;
if (z<0 || z>=int32(m_MapSize)-1) return 0;
CPatch* patch=GetPatch(x/16,z/16);
return &patch->m_MiniPatches[z%16][x%16];
}
///////////////////////////////////////////////////////////////////////////////
// Resize: resize this terrain to the given size (in patches per side)
void CTerrain::Resize(u32 size)
{
if (size==m_MapSizePatches) {
// inexplicable request to resize terrain to the same size .. ignore it
return;
}
if (!m_Heightmap) {
// not yet created a terrain; build a default terrain of the given size now
Initialize(size,0);
return;
}
// allocate data for new terrain
u32 newMapSize=(size*PATCH_SIZE)+1;
u16* newHeightmap=new u16[newMapSize*newMapSize];
CPatch* newPatches=new CPatch[size*size];
if (size>m_MapSizePatches) {
// new map is bigger than old one - zero the heightmap so we don't get uninitialised
// height data along the expanded edges
memset(newHeightmap,0,newMapSize*newMapSize);
}
// now copy over rows of data
u32 j;
u16* src=m_Heightmap;
u16* dst=newHeightmap;
u32 copysize=newMapSize>m_MapSize ? m_MapSize : newMapSize;
for (j=0;j<copysize;j++) {
memcpy(dst,src,copysize*sizeof(u16));
dst+=copysize;
src+=m_MapSize;
if (newMapSize>m_MapSize) {
// entend the last height to the end of the row
for (u32 i=0;i<newMapSize-m_MapSize;i++) {
*dst++=*(src-1);
}
}
}
if (newMapSize>m_MapSize) {
// copy over heights of the last row to any remaining rows
src=newHeightmap+((m_MapSize-1)*newMapSize);
dst=src+newMapSize;
for (u32 i=0;i<newMapSize-m_MapSize;i++) {
memcpy(dst,src,newMapSize*sizeof(u16));
dst+=newMapSize;
}
}
// now build new patches
for (j=0;j<size;j++) {
for (u32 i=0;i<size;i++) {
// copy over texture data from existing tiles, if possible
if (i<m_MapSizePatches && j<m_MapSizePatches) {
memcpy(newPatches[j*size+i].m_MiniPatches,m_Patches[j*m_MapSizePatches+i].m_MiniPatches,sizeof(CMiniPatch)*16*16);
}
}
if (j<m_MapSizePatches && size>m_MapSizePatches) {
// copy over the last tile from each column
for (u32 n=0;n<size-m_MapSizePatches;n++) {
for (int m=0;m<16;m++) {
CMiniPatch& src=m_Patches[j*m_MapSizePatches+m_MapSizePatches-1].m_MiniPatches[m][15];
for (int k=0;k<16;k++) {
CMiniPatch& dst=newPatches[j*size+m_MapSizePatches+n].m_MiniPatches[m][k];
dst.Tex1=src.Tex1;
dst.Tex1Priority=src.Tex1Priority;
}
}
}
}
}
if (size>m_MapSizePatches) {
// copy over the last tile from each column
CPatch* srcpatch=&newPatches[(m_MapSizePatches-1)*size];
CPatch* dstpatch=srcpatch+size;
for (u32 p=0;p<size-m_MapSizePatches;p++) {
for (u32 n=0;n<size;n++) {
for (int m=0;m<16;m++) {
for (int k=0;k<16;k++) {
CMiniPatch& src=srcpatch->m_MiniPatches[15][k];
CMiniPatch& dst=dstpatch->m_MiniPatches[m][k];
dst.Tex1=src.Tex1;
dst.Tex1Priority=src.Tex1Priority;
}
}
srcpatch++;
dstpatch++;
}
}
}
// release all the original data
ReleaseData();
// store new data
m_Heightmap=newHeightmap;
m_Patches=newPatches;
m_MapSize=newMapSize;
m_MapSizePatches=size;
// initialise all the new patches
InitialisePatches();
}
///////////////////////////////////////////////////////////////////////////////
// InitialisePatches: initialise patch data
void CTerrain::InitialisePatches()
{
for (u32 j=0;j<m_MapSizePatches;j++) {
for (u32 i=0;i<m_MapSizePatches;i++) {
CPatch* patch=GetPatch(i,j);
patch->Initialize(this,i,j);
}
}
}
///////////////////////////////////////////////////////////////////////////////
// SetHeightMap: set up a new heightmap from 16-bit source data;
// assumes heightmap matches current terrain size
void CTerrain::SetHeightMap(u16* heightmap)
{
// keep a copy of the given heightmap
memcpy(m_Heightmap,heightmap,m_MapSize*m_MapSize*sizeof(u16));
// recalculate patch bounds, invalidate vertices
for (u32 j=0;j<m_MapSizePatches;j++) {
for (u32 i=0;i<m_MapSizePatches;i++) {
CPatch* patch=GetPatch(i,j);
patch->CalcBounds();
patch->SetDirty(RENDERDATA_UPDATE_VERTICES);
}
}
}

164
source/terrain/Terrain.h
View File

@ -1,82 +1,82 @@
///////////////////////////////////////////////////////////////////////////////
//
// Name: Terrain.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _TERRAIN_H
#define _TERRAIN_H
#include "Patch.h"
#include "Vector3D.h"
///////////////////////////////////////////////////////////////////////////////
// Terrain Constants:
//
// PATCH_SIZE: number of tiles in each patch
const int PATCH_SIZE = 16;
// CELL_SIZE: size of each tile in x and z
const int CELL_SIZE = 4;
// HEIGHT_SCALE: vertical scale of terrain - terrain has a coordinate range of
// 0 to 65536*HEIGHT_SCALE
const float HEIGHT_SCALE = 0.35f/256.0f;
///////////////////////////////////////////////////////////////////////////////
// CTerrain: main terrain class; contains the heightmap describing elevation
// data, and the smaller subpatches that form the terrain
class CTerrain
{
public:
CTerrain();
~CTerrain();
bool Initialize(u32 size,const u16* ptr);
// return number of vertices along edge of the terrain
u32 GetVerticesPerSide() { return m_MapSize; }
// return number of patches along edge of the terrain
u32 GetPatchesPerSide() { return m_MapSizePatches; }
// resize this terrain such that each side has given number of patches
void Resize(u32 size);
// set up a new heightmap from 16 bit data; assumes heightmap matches current terrain size
void SetHeightMap(u16* heightmap);
// return a pointer to the heightmap
u16* GetHeightMap() const { return m_Heightmap; }
// get patch at given coordinates, expressed in patch-space; return 0 if
// coordinates represent patch off the edge of the map
CPatch* GetPatch(int32 x,int32 z);
// get tile at given coordinates, expressed in tile-space; return 0 if
// coordinates represent tile off the edge of the map
CMiniPatch* GetTile(int32 x,int32 z);
// calculate the position of a given vertex
void CalcPosition(u32 i,u32 j,CVector3D& pos);
// calculate the normal at a given vertex
void CalcNormal(u32 i,u32 j,CVector3D& normal);
private:
// delete any data allocated by this terrain
void ReleaseData();
// setup patch pointers etc
void InitialisePatches();
// size of this map in each direction, in vertices; ie. total tiles = sqr(m_MapSize-1)
u32 m_MapSize;
// size of this map in each direction, in patches; total patches = sqr(m_MapSizePatches)
u32 m_MapSizePatches;
// the patches comprising this terrain
CPatch* m_Patches;
// 16-bit heightmap data
u16* m_Heightmap;
};
extern CTerrain g_Terrain;
#endif
///////////////////////////////////////////////////////////////////////////////
//
// Name: Terrain.h
// Author: Rich Cross
// Contact: rich@wildfiregames.com
//
///////////////////////////////////////////////////////////////////////////////
#ifndef _TERRAIN_H
#define _TERRAIN_H
#include "Patch.h"
#include "Vector3D.h"
///////////////////////////////////////////////////////////////////////////////
// Terrain Constants:
//
// PATCH_SIZE: number of tiles in each patch
const int PATCH_SIZE = 16;
// CELL_SIZE: size of each tile in x and z
const int CELL_SIZE = 4;
// HEIGHT_SCALE: vertical scale of terrain - terrain has a coordinate range of
// 0 to 65536*HEIGHT_SCALE
const float HEIGHT_SCALE = 0.35f/256.0f;
///////////////////////////////////////////////////////////////////////////////
// CTerrain: main terrain class; contains the heightmap describing elevation
// data, and the smaller subpatches that form the terrain
class CTerrain
{
public:
CTerrain();
~CTerrain();
bool Initialize(u32 size,const u16* ptr);
// return number of vertices along edge of the terrain
u32 GetVerticesPerSide() { return m_MapSize; }
// return number of patches along edge of the terrain
u32 GetPatchesPerSide() { return m_MapSizePatches; }
// resize this terrain such that each side has given number of patches
void Resize(u32 size);
// set up a new heightmap from 16 bit data; assumes heightmap matches current terrain size
void SetHeightMap(u16* heightmap);
// return a pointer to the heightmap
u16* GetHeightMap() const { return m_Heightmap; }
// get patch at given coordinates, expressed in patch-space; return 0 if
// coordinates represent patch off the edge of the map
CPatch* GetPatch(int32 x,int32 z);
// get tile at given coordinates, expressed in tile-space; return 0 if
// coordinates represent tile off the edge of the map
CMiniPatch* GetTile(int32 x,int32 z);
// calculate the position of a given vertex
void CalcPosition(u32 i,u32 j,CVector3D& pos);
// calculate the normal at a given vertex
void CalcNormal(u32 i,u32 j,CVector3D& normal);
private:
// delete any data allocated by this terrain
void ReleaseData();
// setup patch pointers etc
void InitialisePatches();
// size of this map in each direction, in vertices; ie. total tiles = sqr(m_MapSize-1)
u32 m_MapSize;
// size of this map in each direction, in patches; total patches = sqr(m_MapSizePatches)
u32 m_MapSizePatches;
// the patches comprising this terrain
CPatch* m_Patches;
// 16-bit heightmap data
u16* m_Heightmap;
};
extern CTerrain g_Terrain;
#endif

48
source/terrain/TextureEntry.h
View File

@ -1,24 +1,24 @@
#ifndef _TEXTUREENTRY_H
#define _TEXTUREENTRY_H
#include "res/res.h"
#include "CStr.h"
class CTextureEntry
{
public:
CTextureEntry() : m_Bitmap(0), m_Handle(0), m_BaseColor(0), m_Type(0) {}
// filename
CStr m_Name;
// UI bitmap object
void* m_Bitmap;
// handle to GL texture data
Handle m_Handle;
// BGRA color of topmost mipmap level, for coloring minimap
unsigned int m_BaseColor;
// "type" of texture - index into TextureManager texturetypes array
int m_Type;
};
#endif
#ifndef _TEXTUREENTRY_H
#define _TEXTUREENTRY_H
#include "res/res.h"
#include "CStr.h"
class CTextureEntry
{
public:
CTextureEntry() : m_Bitmap(0), m_Handle(0), m_BaseColor(0), m_Type(0) {}
// filename
CStr m_Name;
// UI bitmap object
void* m_Bitmap;
// handle to GL texture data
Handle m_Handle;
// BGRA color of topmost mipmap level, for coloring minimap
unsigned int m_BaseColor;
// "type" of texture - index into TextureManager texturetypes array
int m_Type;
};
#endif

4
source/terrain/TextureManager.cpp
View File

@ -1,3 +1,4 @@
#include "TextureManager.h"
#include "lib.h"
#include "ogl.h"
@ -23,7 +24,7 @@ void CTextureManager::AddTextureType(const char* name)
m_TerrainTextures.resize(m_TerrainTextures.size()+1);
STextureType& ttype=m_TerrainTextures.back();
ttype.m_Name=name;
ttype.m_Index=(int)m_TerrainTextures.size()-1;
ttype.m_Index=m_TerrainTextures.size()-1;
}
CTextureEntry* CTextureManager::FindTexture(const char* filename)
@ -198,4 +199,3 @@ void CTextureManager::LoadTerrainTextures()
}
}
}

270
source/terrain/TransparencyRenderer.cpp
View File

@ -1,136 +1,136 @@
#include <algorithm>
#include "Renderer.h"
#include "TransparencyRenderer.h"
#include "terrain/Model.h"
CTransparencyRenderer g_TransparencyRenderer;
struct SortObjectsByDist {
typedef CTransparencyRenderer::SObject SortObj;
bool operator()(const SortObj& lhs,const SortObj& rhs) {
return lhs.m_Dist>rhs.m_Dist? true : false;
}
};
void CTransparencyRenderer::Render()
{
// coarsely sort submitted objects in back to front manner
std::sort(m_Objects.begin(),m_Objects.end(),SortObjectsByDist());
// switch on wireframe if we need it
if (g_Renderer.m_ModelRenderMode==WIREFRAME) {
glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
}
// switch on client states
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
// setup texture environment to modulate diffuse color with texture color
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, GL_SRC_COLOR);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PRIMARY_COLOR);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_ARB, GL_SRC_COLOR);
// just pass through texture's alpha
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, GL_SRC_ALPHA);
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER,0.975f);
uint i;
for (i=0;i<m_Objects.size();++i) {
CModel* model=m_Objects[i].m_Model;
CModelRData* modeldata=(CModelRData*) model->GetRenderData();
modeldata->RenderStreams(STREAM_POS|STREAM_COLOR|STREAM_UV0,model->GetTransform(),true);
}
glDepthMask(0);
glAlphaFunc(GL_LEQUAL,0.975f);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
for (i=0;i<m_Objects.size();++i) {
CModel* model=m_Objects[i].m_Model;
CModelRData* modeldata=(CModelRData*) model->GetRenderData();
modeldata->RenderStreams(STREAM_POS|STREAM_COLOR|STREAM_UV0,model->GetTransform(),true);
}
glDisable(GL_BLEND);
glDisable(GL_ALPHA_TEST);
glDepthMask(1);
// switch off client states
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
if (g_Renderer.m_ModelRenderMode==WIREFRAME) {
// switch wireframe off again
glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
} else if (g_Renderer.m_ModelRenderMode==EDGED_FACES) {
// edged faces: need to make a second pass over the data:
// first switch on wireframe
glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
// setup some renderstate ..
glDepthMask(0);
g_Renderer.SetTexture(0,0);
glColor4f(1,1,1,0.75f);
glLineWidth(1.0f);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
// .. and some client states
glEnableClientState(GL_VERTEX_ARRAY);
// render each model
for (i=0;i<m_Objects.size();++i) {
CModel* model=m_Objects[i].m_Model;
CModelRData* modeldata=(CModelRData*) model->GetRenderData();
modeldata->RenderStreams(STREAM_POS,model->GetTransform(),true);
}
// .. and switch off the client states
glDisableClientState(GL_VERTEX_ARRAY);
// .. and restore the renderstates
glDisable(GL_BLEND);
glDepthMask(1);
// restore fill mode, and we're done
glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
}
// all transparent objects rendered; release them
m_Objects.clear();
}
void CTransparencyRenderer::Add(CModel* model)
{
// resize array, get last object in list
m_Objects.resize(m_Objects.size()+1);
SObject& obj=m_Objects.back();
obj.m_Model=model;
// build transform from object to camera space
CMatrix3D objToCam,invcam;
g_Renderer.m_Camera.m_Orientation.GetInverse(objToCam);
objToCam*=model->GetTransform();
// resort model indices from back to front, according to camera position - and store
// the returned sqrd distance to the centre of the nearest triangle
CModelRData* modeldata=(CModelRData*) model->GetRenderData();
obj.m_Dist=modeldata->BackToFrontIndexSort(objToCam);
}
#include <algorithm>
#include "Renderer.h"
#include "TransparencyRenderer.h"
#include "terrain/Model.h"
CTransparencyRenderer g_TransparencyRenderer;
struct SortObjectsByDist {
typedef CTransparencyRenderer::SObject SortObj;
bool operator()(const SortObj& lhs,const SortObj& rhs) {
return lhs.m_Dist>rhs.m_Dist? true : false;
}
};
void CTransparencyRenderer::Render()
{
// coarsely sort submitted objects in back to front manner
std::sort(m_Objects.begin(),m_Objects.end(),SortObjectsByDist());
// switch on wireframe if we need it
if (g_Renderer.m_ModelRenderMode==WIREFRAME) {
glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
}
// switch on client states
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
// setup texture environment to modulate diffuse color with texture color
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, GL_SRC_COLOR);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PRIMARY_COLOR);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_ARB, GL_SRC_COLOR);
// just pass through texture's alpha
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE);
glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_ALPHA_ARB, GL_SRC_ALPHA);
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER,0.975f);
uint i;
for (i=0;i<m_Objects.size();++i) {
CModel* model=m_Objects[i].m_Model;
CModelRData* modeldata=(CModelRData*) model->GetRenderData();
modeldata->RenderStreams(STREAM_POS|STREAM_COLOR|STREAM_UV0,model->GetTransform(),true);
}
glDepthMask(0);
glAlphaFunc(GL_LEQUAL,0.975f);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
for (i=0;i<m_Objects.size();++i) {
CModel* model=m_Objects[i].m_Model;
CModelRData* modeldata=(CModelRData*) model->GetRenderData();
modeldata->RenderStreams(STREAM_POS|STREAM_COLOR|STREAM_UV0,model->GetTransform(),true);
}
glDisable(GL_BLEND);
glDisable(GL_ALPHA_TEST);
glDepthMask(1);
// switch off client states
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
if (g_Renderer.m_ModelRenderMode==WIREFRAME) {
// switch wireframe off again
glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
} else if (g_Renderer.m_ModelRenderMode==EDGED_FACES) {
// edged faces: need to make a second pass over the data:
// first switch on wireframe
glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
// setup some renderstate ..
glDepthMask(0);
g_Renderer.SetTexture(0,0);
glColor4f(1,1,1,0.75f);
glLineWidth(1.0f);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
// .. and some client states
glEnableClientState(GL_VERTEX_ARRAY);
// render each model
for (i=0;i<m_Objects.size();++i) {
CModel* model=m_Objects[i].m_Model;
CModelRData* modeldata=(CModelRData*) model->GetRenderData();
modeldata->RenderStreams(STREAM_POS,model->GetTransform(),true);
}
// .. and switch off the client states
glDisableClientState(GL_VERTEX_ARRAY);
// .. and restore the renderstates
glDisable(GL_BLEND);
glDepthMask(1);
// restore fill mode, and we're done
glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
}
// all transparent objects rendered; release them
m_Objects.clear();
}
void CTransparencyRenderer::Add(CModel* model)
{
// resize array, get last object in list
m_Objects.resize(m_Objects.size()+1);
SObject& obj=m_Objects.back();
obj.m_Model=model;
// build transform from object to camera space
CMatrix3D objToCam,invcam;
g_Renderer.m_Camera.m_Orientation.GetInverse(objToCam);
objToCam*=model->GetTransform();
// resort model indices from back to front, according to camera position - and store
// the returned sqrd distance to the centre of the nearest triangle
CModelRData* modeldata=(CModelRData*) model->GetRenderData();
obj.m_Dist=modeldata->BackToFrontIndexSort(objToCam);
}

62
source/terrain/TransparencyRenderer.h
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@ -1,31 +1,31 @@
#ifndef __TRANSPARENCYRENDERER_H
#define __TRANSPARENCYRENDERER_H
#include <vector>
class CModel;
class CTransparencyRenderer
{
public:
struct SObject {
// the transparent model
CModel* m_Model;
// sqrd distance from camera to centre of nearest triangle
float m_Dist;
};
public:
// add object to render in deferred transparency pass
void Add(CModel* model);
// render all deferred objects
void Render();
private:
// list of transparent objects to render
std::vector<SObject> m_Objects;
};
extern CTransparencyRenderer g_TransparencyRenderer;
#endif
#ifndef __TRANSPARENCYRENDERER_H
#define __TRANSPARENCYRENDERER_H
#include <vector>
class CModel;
class CTransparencyRenderer
{
public:
struct SObject {
// the transparent model
CModel* m_Model;
// sqrd distance from camera to centre of nearest triangle
float m_Dist;
};
public:
// add object to render in deferred transparency pass
void Add(CModel* model);
// render all deferred objects
void Render();
private:
// list of transparent objects to render
std::vector<SObject> m_Objects;
};
extern CTransparencyRenderer g_TransparencyRenderer;
#endif

32
source/terrain/Unit.h
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@ -1,16 +1,16 @@
#ifndef _UNIT_H
#define _UNIT_H
class CModel;
class CObjectEntry;
class CUnit
{
public:
// object from which unit was created
CObjectEntry* m_Object;
// object model representation
CModel* m_Model;
};
#endif
#ifndef _UNIT_H
#define _UNIT_H
class CModel;
class CObjectEntry;
class CUnit
{
public:
// object from which unit was created
CObjectEntry* m_Object;
// object model representation
CModel* m_Model;
};
#endif

56
source/terrain/UnitManager.cpp
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@ -1,28 +1,28 @@
#include "res/res.h"
#include "UnitManager.h"
#include <algorithm>
CUnitManager g_UnitMan;
void CUnitManager::AddUnit(CUnit* unit)
{
m_Units.push_back(unit);
}
void CUnitManager::RemoveUnit(CUnit* unit)
{
// find entry in list
typedef std::vector<CUnit*>::iterator Iter;
Iter i=std::find(m_Units.begin(),m_Units.end(),unit);
if (i!=m_Units.end()) {
m_Units.erase(i);
}
}
void CUnitManager::DeleteAll()
{
for (uint i=0;i<m_Units.size();i++) {
delete m_Units[i];
}
m_Units.clear();
}
#include "res/res.h"
#include "UnitManager.h"
#include <algorithm>
CUnitManager g_UnitMan;
void CUnitManager::AddUnit(CUnit* unit)
{
m_Units.push_back(unit);
}
void CUnitManager::RemoveUnit(CUnit* unit)
{
// find entry in list
typedef std::vector<CUnit*>::iterator Iter;
Iter i=std::find(m_Units.begin(),m_Units.end(),unit);
if (i!=m_Units.end()) {
m_Units.erase(i);
}
}
void CUnitManager::DeleteAll()
{
for (uint i=0;i<m_Units.size();i++) {
delete m_Units[i];
}
m_Units.clear();
}

48
source/terrain/UnitManager.h
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@ -1,25 +1,25 @@
#ifndef _UNITMANAGER_H
#define _UNITMANAGER_H
#include <vector>
#include "Unit.h"
class CUnitManager
{
public:
CUnitManager() {}
void AddUnit(CUnit* unit);
void RemoveUnit(CUnit* unit);
void DeleteAll();
const std::vector<CUnit*>& GetUnits() const { return m_Units; }
private:
std::vector<CUnit*> m_Units;
};
extern CUnitManager g_UnitMan;
#ifndef _UNITMANAGER_H
#define _UNITMANAGER_H
#include <vector>
#include "Unit.h"
class CUnitManager
{
public:
CUnitManager() {}
void AddUnit(CUnit* unit);
void RemoveUnit(CUnit* unit);
void DeleteAll();
const std::vector<CUnit*>& GetUnits() const { return m_Units; }
private:
std::vector<CUnit*> m_Units;
};
extern CUnitManager g_UnitMan;
#endif

306
source/terrain/Vector3D.cpp
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@ -1,153 +1,153 @@
//***********************************************************
//
// Name: Vector3D.Cpp
// Last Update: 28/1/02
// Author: Poya Manouchehri
//
// Description: Provides an interface for a vector in R3 and
// allows vector and scalar operations on it
//
//***********************************************************
#include "Vector3D.h"
CVector3D::CVector3D (float x, float y, float z)
{
X = x;
Y = y;
Z = z;
}
int CVector3D::operator ! () const
{
if (X != 0.0f ||
Y != 0.0f ||
Z != 0.0f)
return 0;
return 1;
}
//vector addition
CVector3D CVector3D::operator + (const CVector3D &vector) const
{
CVector3D Temp;
Temp.X = X + vector.X;
Temp.Y = Y + vector.Y;
Temp.Z = Z + vector.Z;
return Temp;
}
//vector addition/assignment
CVector3D &CVector3D::operator += (const CVector3D &vector)
{
X += vector.X;
Y += vector.Y;
Z += vector.Z;
return *this;
}
//vector subtraction
CVector3D CVector3D::operator - (const CVector3D &vector) const
{
CVector3D Temp;
Temp.X = X - vector.X;
Temp.Y = Y - vector.Y;
Temp.Z = Z - vector.Z;
return Temp;
}
//vector negation
CVector3D CVector3D::operator-() const
{
CVector3D Temp;
Temp.X = -X;
Temp.Y = -Y;
Temp.Z = -Z;
return Temp;
}
//vector subtrcation/assignment
CVector3D &CVector3D::operator -= (const CVector3D &vector)
{
X -= vector.X;
Y -= vector.Y;
Z -= vector.Z;
return *this;
}
//scalar multiplication
CVector3D CVector3D::operator * (float value) const
{
CVector3D Temp;
Temp.X = X * value;
Temp.Y = Y * value;
Temp.Z = Z * value;
return Temp;
}
//scalar multiplication/assignment
CVector3D& CVector3D::operator *= (float value)
{
X *= value;
Y *= value;
Z *= value;
return *this;
}
void CVector3D::Set (float x, float y, float z)
{
X = x;
Y = y;
Z = z;
}
void CVector3D::Clear ()
{
X = Y = Z = 0.0f;
}
//Dot product
float CVector3D::Dot (const CVector3D &vector) const
{
return ( X * vector.X +
Y * vector.Y +
Z * vector.Z );
}
//Cross product
CVector3D CVector3D::Cross (const CVector3D &vector) const
{
CVector3D Temp;
Temp.X = (Y * vector.Z) - (Z * vector.Y);
Temp.Y = (Z * vector.X) - (X * vector.Z);
Temp.Z = (X * vector.Y) - (Y * vector.X);
return Temp;
}
float CVector3D::GetLength () const
{
return sqrtf ( SQR(X) + SQR(Y) + SQR(Z) );
}
void CVector3D::Normalize ()
{
float scale = 1.0f/GetLength ();
X *= scale;
Y *= scale;
Z *= scale;
}
//***********************************************************
//
// Name: Vector3D.Cpp
// Last Update: 28/1/02
// Author: Poya Manouchehri
//
// Description: Provides an interface for a vector in R3 and
// allows vector and scalar operations on it
//
//***********************************************************
#include "Vector3D.h"
CVector3D::CVector3D (float x, float y, float z)
{
X = x;
Y = y;
Z = z;
}
int CVector3D::operator ! () const
{
if (X != 0.0f ||
Y != 0.0f ||
Z != 0.0f)
return 0;
return 1;
}
//vector addition
CVector3D CVector3D::operator + (const CVector3D &vector) const
{
CVector3D Temp;
Temp.X = X + vector.X;
Temp.Y = Y + vector.Y;
Temp.Z = Z + vector.Z;
return Temp;
}
//vector addition/assignment
CVector3D &CVector3D::operator += (const CVector3D &vector)
{
X += vector.X;
Y += vector.Y;
Z += vector.Z;
return *this;
}
//vector subtraction
CVector3D CVector3D::operator - (const CVector3D &vector) const
{
CVector3D Temp;
Temp.X = X - vector.X;
Temp.Y = Y - vector.Y;
Temp.Z = Z - vector.Z;
return Temp;
}
//vector negation
CVector3D CVector3D::operator-() const
{
CVector3D Temp;
Temp.X = -X;
Temp.Y = -Y;
Temp.Z = -Z;
return Temp;
}
//vector subtrcation/assignment
CVector3D &CVector3D::operator -= (const CVector3D &vector)
{
X -= vector.X;
Y -= vector.Y;
Z -= vector.Z;
return *this;
}
//scalar multiplication
CVector3D CVector3D::operator * (float value) const
{
CVector3D Temp;
Temp.X = X * value;
Temp.Y = Y * value;
Temp.Z = Z * value;
return Temp;
}
//scalar multiplication/assignment
CVector3D& CVector3D::operator *= (float value)
{
X *= value;
Y *= value;
Z *= value;
return *this;
}
void CVector3D::Set (float x, float y, float z)
{
X = x;
Y = y;
Z = z;
}
void CVector3D::Clear ()
{
X = Y = Z = 0.0f;
}
//Dot product
float CVector3D::Dot (const CVector3D &vector) const
{
return ( X * vector.X +
Y * vector.Y +
Z * vector.Z );
}
//Cross product
CVector3D CVector3D::Cross (const CVector3D &vector) const
{
CVector3D Temp;
Temp.X = (Y * vector.Z) - (Z * vector.Y);
Temp.Y = (Z * vector.X) - (X * vector.Z);
Temp.Z = (X * vector.Y) - (Y * vector.X);
return Temp;
}
float CVector3D::GetLength () const
{
return sqrtf ( SQR(X) + SQR(Y) + SQR(Z) );
}
void CVector3D::Normalize ()
{
float scale = 1.0f/GetLength ();
X *= scale;
Y *= scale;
Z *= scale;
}

134
source/terrain/Vector3D.h
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@ -1,67 +1,67 @@
//***********************************************************
//
// Name: Vector3D.H
// Last Update: 28/1/02
// Author: Poya Manouchehri
//
// Description: Provides an interface for a vector in R3 and
// allows vector and scalar operations on it
//
//***********************************************************
#ifndef VECTOR3D_H
#define VECTOR3D_H
#include <math.h>
#include "res/res.h"
#include "MathUtil.h"
class CVector3D
{
public:
float X, Y, Z;
public:
CVector3D () { }
CVector3D (float x, float y, float z);
int operator ! () const ;
float& operator[](int index) { return *((&X)+index); }
const float& operator[](int index) const { return *((&X)+index); }
//vector addition
CVector3D operator + (const CVector3D &vector) const ;
//vector addition/assignment
CVector3D &operator += (const CVector3D &vector);
//vector subtraction
CVector3D operator - (const CVector3D &vector) const ;
//vector subtraction/assignment
CVector3D &operator -= (const CVector3D &vector);
//scalar multiplication
CVector3D operator * (float value) const ;
//scalar multiplication/assignment
CVector3D& operator *= (float value);
// negation
CVector3D operator-() const;
public:
void Set (float x, float y, float z);
void Clear ();
//Dot product
float Dot (const CVector3D &vector) const;
//Cross product
CVector3D Cross (const CVector3D &vector) const;
//Returns length of the vector
float GetLength () const;
void Normalize ();
};
#endif
//***********************************************************
//
// Name: Vector3D.H
// Last Update: 28/1/02
// Author: Poya Manouchehri
//
// Description: Provides an interface for a vector in R3 and
// allows vector and scalar operations on it
//
//***********************************************************
#ifndef VECTOR3D_H
#define VECTOR3D_H
#include <math.h>
#include "res/res.h"
#include "MathUtil.h"
class CVector3D
{
public:
float X, Y, Z;
public:
CVector3D () { }
CVector3D (float x, float y, float z);
int operator ! () const ;
float& operator[](int index) { return *((&X)+index); }
const float& operator[](int index) const { return *((&X)+index); }
//vector addition
CVector3D operator + (const CVector3D &vector) const ;
//vector addition/assignment
CVector3D &operator += (const CVector3D &vector);
//vector subtraction
CVector3D operator - (const CVector3D &vector) const ;
//vector subtraction/assignment
CVector3D &operator -= (const CVector3D &vector);
//scalar multiplication
CVector3D operator * (float value) const ;
//scalar multiplication/assignment
CVector3D& operator *= (float value);
// negation
CVector3D operator-() const;
public:
void Set (float x, float y, float z);
void Clear ();
//Dot product
float Dot (const CVector3D &vector) const;
//Cross product
CVector3D Cross (const CVector3D &vector) const;
//Returns length of the vector
float GetLength () const;
void Normalize ();
};
#endif

220
source/terrain/Vector4D.h
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@ -1,110 +1,110 @@
//***********************************************************
//
// Name: CVector4D.h
// Last Update: 02/11/03
// Author: Rich Cross
//
// Description: Provides an interface for a vector in R4 and
// allows vector and scalar operations on it
//
//***********************************************************
#ifndef _VECTOR4D_H
#define _VECTOR4D_H
#include <math.h>
///////////////////////////////////////////////////////////////////////////////
// CVector4D:
class CVector4D
{
public:
CVector4D() {}
CVector4D(const float f[4]) { m_X=f[0]; m_Y=f[1]; m_Z=f[2]; m_W=f[3]; }
CVector4D(float x,float y,float z,float w) { m_X=x; m_Y=y; m_Z=z; m_W=w; }
CVector4D(const CVector4D& p) { m_X=p.m_X; m_Y=p.m_Y; m_Z=p.m_Z; m_W=p.m_W; }
operator float*() {
return &m_X;
}
operator const float*() const {
return &m_X;
}
CVector4D operator-() const {
return CVector4D(-m_X,-m_Y,-m_Z,-m_W);
}
CVector4D operator+(const CVector4D& t) const {
return CVector4D(m_X+t.m_X,m_Y+t.m_Y,m_Z+t.m_Z,m_W+t.m_W);
}
CVector4D operator-(const CVector4D& t) const {
return CVector4D(m_X-t.m_X,m_Y-t.m_Y,m_Z-t.m_Z,m_W-t.m_W);
}
CVector4D operator*(const CVector4D& t) const {
return CVector4D(m_X*t.m_X,m_Y*t.m_Y,m_Z*t.m_Z,m_W*t.m_W);
}
CVector4D operator*(float f) const {
return CVector4D(m_X*f,m_Y*f,m_Z*f,m_W*f);
}
CVector4D operator/(float f) const {
float inv=1.0f/f;
return CVector4D(m_X*inv,m_Y*inv,m_Z*inv,m_W*inv);
}
CVector4D& operator+=(const CVector4D& t) {
m_X+=t.m_X; m_Y+=t.m_Y; m_Z+=t.m_Z; m_W+=t.m_W;
return *this;
}
CVector4D& operator-=(const CVector4D& t) {
m_X-=t.m_X; m_Y-=t.m_Y; m_Z-=t.m_Z; m_W-=t.m_W;
return *this;
}
CVector4D& operator*=(const CVector4D& t) {
m_X*=t.m_X; m_Y*=t.m_Y; m_Z*=t.m_Z; m_W*=t.m_W;
return *this;
}
CVector4D& operator*=(float f) {
m_X*=f; m_Y*=f; m_Z*=f; m_W*=f;
return *this;
}
CVector4D& operator/=(float f) {
float invf=1.0f/f;
m_X*=invf; m_Y*=invf; m_Z*=invf; m_W*=invf;
return *this;
}
float dot(const CVector4D& a) const {
return m_X*a.m_X+m_Y*a.m_Y+m_Z*a.m_Z+m_W*a.m_W;
}
float lengthSquared() const {
return SQR(m_X)+SQR(m_Y)+SQR(m_Z)+SQR(m_W);
}
float length() const {
return (float) sqrt(lengthSquared());
}
void normalize() {
float mag=length();
m_X/=mag; m_Y/=mag; m_Z/=mag; m_W/=mag;
}
public:
float m_X,m_Y,m_Z,m_W;
};
//////////////////////////////////////////////////////////////////////////////////
#endif
//***********************************************************
//
// Name: CVector4D.h
// Last Update: 02/11/03
// Author: Rich Cross
//
// Description: Provides an interface for a vector in R4 and
// allows vector and scalar operations on it
//
//***********************************************************
#ifndef _VECTOR4D_H
#define _VECTOR4D_H
#include <math.h>
///////////////////////////////////////////////////////////////////////////////
// CVector4D:
class CVector4D
{
public:
CVector4D() {}
CVector4D(const float f[4]) { m_X=f[0]; m_Y=f[1]; m_Z=f[2]; m_W=f[3]; }
CVector4D(float x,float y,float z,float w) { m_X=x; m_Y=y; m_Z=z; m_W=w; }
CVector4D(const CVector4D& p) { m_X=p.m_X; m_Y=p.m_Y; m_Z=p.m_Z; m_W=p.m_W; }
operator float*() {
return &m_X;
}
operator const float*() const {
return &m_X;
}
CVector4D operator-() const {
return CVector4D(-m_X,-m_Y,-m_Z,-m_W);
}
CVector4D operator+(const CVector4D& t) const {
return CVector4D(m_X+t.m_X,m_Y+t.m_Y,m_Z+t.m_Z,m_W+t.m_W);
}
CVector4D operator-(const CVector4D& t) const {
return CVector4D(m_X-t.m_X,m_Y-t.m_Y,m_Z-t.m_Z,m_W-t.m_W);
}
CVector4D operator*(const CVector4D& t) const {
return CVector4D(m_X*t.m_X,m_Y*t.m_Y,m_Z*t.m_Z,m_W*t.m_W);
}
CVector4D operator*(float f) const {
return CVector4D(m_X*f,m_Y*f,m_Z*f,m_W*f);
}
CVector4D operator/(float f) const {
float inv=1.0f/f;
return CVector4D(m_X*inv,m_Y*inv,m_Z*inv,m_W*inv);
}
CVector4D& operator+=(const CVector4D& t) {
m_X+=t.m_X; m_Y+=t.m_Y; m_Z+=t.m_Z; m_W+=t.m_W;
return *this;
}
CVector4D& operator-=(const CVector4D& t) {
m_X-=t.m_X; m_Y-=t.m_Y; m_Z-=t.m_Z; m_W-=t.m_W;
return *this;
}
CVector4D& operator*=(const CVector4D& t) {
m_X*=t.m_X; m_Y*=t.m_Y; m_Z*=t.m_Z; m_W*=t.m_W;
return *this;
}
CVector4D& operator*=(float f) {
m_X*=f; m_Y*=f; m_Z*=f; m_W*=f;
return *this;
}
CVector4D& operator/=(float f) {
float invf=1.0f/f;
m_X*=invf; m_Y*=invf; m_Z*=invf; m_W*=invf;
return *this;
}
float dot(const CVector4D& a) const {
return m_X*a.m_X+m_Y*a.m_Y+m_Z*a.m_Z+m_W*a.m_W;
}
float lengthSquared() const {
return SQR(m_X)+SQR(m_Y)+SQR(m_Z)+SQR(m_W);
}
float length() const {
return (float) sqrt(lengthSquared());
}
void normalize() {
float mag=length();
m_X/=mag; m_Y/=mag; m_Z/=mag; m_W/=mag;
}
public:
float m_X,m_Y,m_Z,m_W;
};
//////////////////////////////////////////////////////////////////////////////////
#endif

130
source/terrain/terrainMain.cpp
View File

@ -1,3 +1,4 @@
#include "Matrix3D.h"
#include "Renderer.h"
#include "Terrain.h"
@ -23,21 +24,27 @@ void RenderScene ();
extern bool keys[512]; // SDL also defines non-ascii keys; 512 should be enough
//CMatrix3D g_WorldMat;
CMatrix3D g_WorldMat;
CRenderer g_Renderer;
CTerrain g_Terrain;
CCamera g_Camera;
CLightEnv g_LightEnv;
int SelPX, SelPY, SelTX, SelTY;
int g_BaseTexCounter = 0;
int g_SecTexCounter = 1;
int g_TransTexCounter = 0;
int g_TickCounter = 0;
double g_LastTime;
const int NUM_ALPHA_MAPS = 13;
const float ViewScrollSpeed = 60;
float ViewFOV;
int mouse_x=50, mouse_y=50;
float ViewScrollSpeed = 60.0f;
float ViewZoomFactor = 1.0f;
float ViewFOV = 0.0f;
void terr_init()
{
int xres,yres;
@ -55,13 +62,12 @@ void terr_init()
InitScene ();
}
void terr_update(const float DeltaTime)
{
const float dx = ViewScrollSpeed * DeltaTime;
const CVector3D Right(dx,0, dx);
const CVector3D Up (dx,0,-dx);
if (mouse_x >= g_xres-2)
g_Camera.m_Orientation.Translate(Right);
if (mouse_x <= 3)
@ -73,6 +79,7 @@ void terr_update(const float DeltaTime)
g_Camera.m_Orientation.Translate(Up*-1);
const float s30 = sin(DEGTORAD(30.0f));
const float c30 = cos(DEGTORAD(30.0f));
const float s45 = sin(DEGTORAD(45.0f));
@ -102,6 +109,8 @@ void terr_update(const float DeltaTime)
bool terr_handler(const SDL_Event& ev)
{
switch(ev.type)
@ -129,7 +138,105 @@ bool terr_handler(const SDL_Event& ev)
g_Camera.m_Orientation.RotateY(DEGTORAD(-45));
g_Camera.m_Orientation.Translate (100, 150, -100);
break;
}
/* case 'L':
g_HillShading = !g_HillShading;
break;
// tile selection
case SDLK_DOWN:
if(++SelTX > 15)
if(SelPX == g_Terrain.GetPatchesPerSide()-1)
SelTX = 15;
else
SelTX = 0, SelPX++;
break;
case SDLK_UP:
if(--SelTX < 0)
if(SelPX == 0)
SelTX = 0;
else
SelTX = 15, SelPX--;
break;
case SDLK_RIGHT:
if(++SelTY > 15)
if(SelPY == g_Terrain.GetPatchesPerSide()-1)
SelTY = 15;
else
SelTY = 0, SelPY++;
break;
case SDLK_LEFT:
if(--SelTY < 0)
if(SelPY == 0)
SelTY = 0;
else
SelTY = 15, SelPY--;
break;
case SDLK_KP0:
{
CMiniPatch *MPatch = &g_Terrain.GetPatch(SelPY, SelPX)->m_MiniPatches[SelTY][SelTX];
/*if (!MPatch->Tex2)
{
MPatch->m_AlphaMap = AlphaMaps[g_TransTexCounter];
MPatch->Tex2 = BaseTexs[g_SecTexCounter];
}
else
{
MPatch->Tex2 = 0;
MPatch->m_AlphaMap = 0;
}*/
break;
}
/*case SDLK_KP1:
{
CMiniPatch *MPatch = &g_Terrain.GetPatch(SelPY, SelPX)->m_MiniPatches[SelTY][SelTX];
g_BaseTexCounter++;
if (g_BaseTexCounter > 4)
g_BaseTexCounter = 0;
MPatch->Tex1 = BaseTexs[g_BaseTexCounter];
break;
}
case SDLK_KP2:
{
CMiniPatch *MPatch = &g_Terrain.m_Patches[SelPY][SelPX].m_MiniPatches[SelTY][SelTX];
if (MPatch->Tex2)
{
g_SecTexCounter++;
if (g_SecTexCounter > 4)
g_SecTexCounter = 0;
MPatch->Tex2 = BaseTexs[g_SecTexCounter];
}
break;
}
case SDLK_KP3:
{
CMiniPatch *MPatch = &g_Terrain.m_Patches[SelPY][SelPX].m_MiniPatches[SelTY][SelTX];
if (MPatch->m_AlphaMap)
{
g_TransTexCounter++;
if (g_TransTexCounter >= NUM_ALPHA_MAPS)
g_TransTexCounter = 0;
MPatch->m_AlphaMap = AlphaMaps[g_TransTexCounter];
}
break;
}*/
//}
}
return false;
@ -156,7 +263,7 @@ void InitScene ()
int w;
int h;
tex_info(ht, &w, &h, NULL, NULL, (void**)&p);
tex_info(ht, &w, &h, NULL, NULL, (void **)&p);
printf("terrain.raw: %dx%d\n", w, h);
@ -203,6 +310,7 @@ for (uint ii=0;ii<g_TexMan.m_TerrainTextures.size();ii++) {
g_Camera.m_Orientation.RotateY(DEGTORAD(-45));
g_Camera.m_Orientation.Translate (100, 150, -100);
}
void InitResources()