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forked from 0ad/0ad
0ad/source/tools/atlas/GameInterface/ActorViewer.cpp
Ykkrosh 924d1219a7 # Add fog-of-war.
Move Vision component to C++, for more efficient FoW processing.
Disable FoW on demo maps.

This was SVN commit r8160.
2010-09-23 12:13:13 +00:00

369 lines
9.7 KiB
C++

/* Copyright (C) 2010 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#include "precompiled.h"
#include "ActorViewer.h"
#include "View.h"
#include "graphics/ColladaManager.h"
#include "graphics/Model.h"
#include "graphics/ObjectManager.h"
#include "graphics/Patch.h"
#include "graphics/SkeletonAnimManager.h"
#include "graphics/Terrain.h"
#include "graphics/TerrainTextureEntry.h"
#include "graphics/TerrainTextureManager.h"
#include "graphics/UnitManager.h"
#include "maths/MathUtil.h"
#include "ps/Font.h"
#include "ps/GameSetup/Config.h"
#include "ps/ProfileViewer.h"
#include "renderer/Renderer.h"
#include "renderer/Scene.h"
#include "renderer/SkyManager.h"
#include "scriptinterface/ScriptInterface.h"
#include "simulation2/Simulation2.h"
#include "simulation2/components/ICmpPosition.h"
#include "simulation2/components/ICmpRangeManager.h"
#include "simulation2/components/ICmpTerrain.h"
#include "simulation2/components/ICmpUnitMotion.h"
#include "simulation2/components/ICmpVisual.h"
struct ActorViewerImpl : public Scene
{
NONCOPYABLE(ActorViewerImpl);
public:
ActorViewerImpl()
: Entity(INVALID_ENTITY), Terrain(), ColladaManager(), MeshManager(ColladaManager), SkeletonAnimManager(ColladaManager),
UnitManager(), Simulation2(&UnitManager, &Terrain), ObjectManager(MeshManager, SkeletonAnimManager, Simulation2)
{
UnitManager.SetObjectManager(ObjectManager);
}
entity_id_t Entity;
CStrW CurrentUnitID;
CStrW CurrentUnitAnim;
float CurrentSpeed;
bool WalkEnabled;
bool GroundEnabled;
bool ShadowsEnabled;
SColor4ub Background;
CTerrain Terrain;
CColladaManager ColladaManager;
CMeshManager MeshManager;
CSkeletonAnimManager SkeletonAnimManager;
CObjectManager ObjectManager;
CUnitManager UnitManager;
CSimulation2 Simulation2;
// Simplistic implementation of the Scene interface
void EnumerateObjects(const CFrustum& frustum, SceneCollector* c)
{
if (GroundEnabled)
c->Submit(Terrain.GetPatch(0, 0));
Simulation2.RenderSubmit(*c, frustum, false);
}
};
ActorViewer::ActorViewer()
: m(*new ActorViewerImpl())
{
m.WalkEnabled = false;
m.GroundEnabled = true;
m.ShadowsEnabled = g_Renderer.GetOptionBool(CRenderer::OPT_SHADOWS);
m.Background = SColor4ub(255, 255, 255, 255);
// Create a tiny empty piece of terrain, just so we can put shadows
// on it without having to think too hard
m.Terrain.Initialize(1, NULL);
CTerrainTextureEntry* tex = g_TexMan.FindTexture("whiteness");
if (tex)
{
CPatch* patch = m.Terrain.GetPatch(0, 0);
for (ssize_t i = 0; i < PATCH_SIZE; ++i)
{
for (ssize_t j = 0; j < PATCH_SIZE; ++j)
{
CMiniPatch& mp = patch->m_MiniPatches[i][j];
mp.Tex = tex;
mp.Priority = 0;
}
}
}
else
{
debug_warn(L"Failed to load whiteness texture");
}
// Start the simulation
m.Simulation2.LoadDefaultScripts();
m.Simulation2.ResetState();
// Tell the simulation we've already loaded the terrain
CmpPtr<ICmpTerrain> cmpTerrain(m.Simulation2, SYSTEM_ENTITY);
if (!cmpTerrain.null())
cmpTerrain->ReloadTerrain();
CmpPtr<ICmpRangeManager> cmpRangeManager(m.Simulation2, SYSTEM_ENTITY);
if (!cmpRangeManager.null())
cmpRangeManager->SetLosRevealAll(true);
}
ActorViewer::~ActorViewer()
{
delete &m;
}
CSimulation2* ActorViewer::GetSimulation2()
{
return &m.Simulation2;
}
entity_id_t ActorViewer::GetEntity()
{
return m.Entity;
}
void ActorViewer::UnloadObjects()
{
m.ObjectManager.UnloadObjects();
}
void ActorViewer::SetActor(const CStrW& name, const CStrW& animation)
{
bool needsAnimReload = false;
CStrW id = name;
// Recreate the entity, if we don't have one or if the new one is different
if (m.Entity == INVALID_ENTITY || id != m.CurrentUnitID)
{
// Delete the old entity (if any)
if (m.Entity != INVALID_ENTITY)
{
m.Simulation2.DestroyEntity(m.Entity);
m.Simulation2.FlushDestroyedEntities();
m.Entity = INVALID_ENTITY;
}
// If there's no actor to display, return with nothing loaded
if (id.empty())
return;
m.Entity = m.Simulation2.AddEntity(L"preview|" + id);
if (m.Entity == INVALID_ENTITY)
return;
CmpPtr<ICmpPosition> cmpPosition(m.Simulation2, m.Entity);
if (!cmpPosition.null())
{
cmpPosition->JumpTo(entity_pos_t::FromInt(CELL_SIZE*PATCH_SIZE/2), entity_pos_t::FromInt(CELL_SIZE*PATCH_SIZE/2));
cmpPosition->SetYRotation(entity_angle_t::FromFloat((float)M_PI));
}
needsAnimReload = true;
}
if (animation != m.CurrentUnitAnim)
needsAnimReload = true;
if (needsAnimReload)
{
CStr anim = CStr(animation).LowerCase();
// Emulate the typical simulation animation behaviour
float speed;
float repeattime = 0.f;
if (anim == "walk")
{
CmpPtr<ICmpUnitMotion> cmpUnitMotion(m.Simulation2, m.Entity);
if (!cmpUnitMotion.null())
speed = cmpUnitMotion->GetWalkSpeed().ToFloat();
else
speed = 7.f; // typical unit speed
m.CurrentSpeed = speed;
}
else if (anim == "run")
{
CmpPtr<ICmpUnitMotion> cmpUnitMotion(m.Simulation2, m.Entity);
if (!cmpUnitMotion.null())
speed = cmpUnitMotion->GetRunSpeed().ToFloat();
else
speed = 12.f; // typical unit speed
m.CurrentSpeed = speed;
}
else if (anim == "melee")
{
speed = 1.f; // speed will be ignored if we have a repeattime
m.CurrentSpeed = 0.f;
CStr code = "var cmp = Engine.QueryInterface("+CStr(m.Entity)+", IID_Attack); if (cmp) cmp.GetTimers(cmp.GetBestAttack()).repeat; else 0;";
m.Simulation2.GetScriptInterface().Eval(code.c_str(), repeattime);
}
else
{
// Play the animation at normal speed, but movement speed is zero
speed = 1.f;
m.CurrentSpeed = 0.f;
}
CStr sound;
if (anim == "melee")
sound = "attack";
else if (anim == "build")
sound = "build";
else if (anim.Find("gather_") == 0)
sound = anim;
std::wstring soundgroup;
if (!sound.empty())
{
CStr code = "var cmp = Engine.QueryInterface("+CStr(m.Entity)+", IID_Sound); if (cmp) cmp.GetSoundGroup('"+sound+"'); else '';";
m.Simulation2.GetScriptInterface().Eval(code.c_str(), soundgroup);
}
CmpPtr<ICmpVisual> cmpVisual(m.Simulation2, m.Entity);
if (!cmpVisual.null())
{
// TODO: SetEntitySelection(anim)
cmpVisual->SelectAnimation(anim, false, speed, soundgroup);
if (repeattime)
cmpVisual->SetAnimationSyncRepeat(repeattime);
}
}
m.CurrentUnitID = id;
m.CurrentUnitAnim = animation;
}
void ActorViewer::SetBackgroundColour(const SColor4ub& colour)
{
m.Background = colour;
m.Terrain.SetBaseColour(colour);
}
void ActorViewer::SetWalkEnabled(bool enabled) { m.WalkEnabled = enabled; }
void ActorViewer::SetGroundEnabled(bool enabled) { m.GroundEnabled = enabled; }
void ActorViewer::SetShadowsEnabled(bool enabled) { m.ShadowsEnabled = enabled; }
void ActorViewer::SetStatsEnabled(bool enabled)
{
if (enabled)
g_ProfileViewer.ShowTable("renderer");
else
g_ProfileViewer.ShowTable("");
}
void ActorViewer::Render()
{
m.Terrain.MakeDirty(RENDERDATA_UPDATE_COLOR);
g_Renderer.SetClearColor(m.Background);
// Disable shadows locally (avoid clobbering global state)
bool oldShadows = g_Renderer.GetOptionBool(CRenderer::OPT_SHADOWS);
g_Renderer.SetOptionBool(CRenderer::OPT_SHADOWS, m.ShadowsEnabled);
bool oldSky = g_Renderer.GetSkyManager()->m_RenderSky;
g_Renderer.GetSkyManager()->m_RenderSky = false;
g_Renderer.BeginFrame();
// Find the centre of the interesting region, in the middle of the patch
// and half way up the model (assuming there is one)
CVector3D centre;
CmpPtr<ICmpVisual> cmpVisual(m.Simulation2, m.Entity);
if (!cmpVisual.null())
cmpVisual->GetBounds().GetCentre(centre);
else
centre.Y = 0.f;
centre.X = centre.Z = CELL_SIZE * PATCH_SIZE/2;
CCamera camera = View::GetView_Actor()->GetCamera();
camera.m_Orientation.Translate(centre.X, centre.Y, centre.Z);
camera.UpdateFrustum();
g_Renderer.SetSceneCamera(camera, camera);
g_Renderer.RenderScene(&m);
// ....
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0.f, (float)g_xres, 0.f, (float)g_yres, -1.f, 1000.f);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
glPushAttrib(GL_ENABLE_BIT);
glEnable(GL_TEXTURE_2D);
glDisable(GL_CULL_FACE);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
glDisable(GL_ALPHA_TEST);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glEnable(GL_TEXTURE_2D);
g_ProfileViewer.RenderProfile();
glPopAttrib();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
g_Renderer.EndFrame();
// Restore the old renderer state
g_Renderer.SetOptionBool(CRenderer::OPT_SHADOWS, oldShadows);
g_Renderer.GetSkyManager()->m_RenderSky = oldSky;
ogl_WarnIfError();
}
void ActorViewer::Update(float dt)
{
m.Simulation2.Update((int)(dt*1000));
m.Simulation2.Interpolate(dt, 0);
if (m.WalkEnabled && m.CurrentSpeed)
{
CmpPtr<ICmpPosition> cmpPosition(m.Simulation2, m.Entity);
if (!cmpPosition.null())
{
// Move the model by speed*dt forwards
float z = cmpPosition->GetPosition().Z.ToFloat();
z -= m.CurrentSpeed*dt;
// Wrap at the edges, so it doesn't run off into the horizon
if (z < CELL_SIZE*PATCH_SIZE * 0.4f)
z = CELL_SIZE*PATCH_SIZE * 0.6f;
cmpPosition->JumpTo(cmpPosition->GetPosition().X, entity_pos_t::FromFloat(z));
}
}
}