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0ad/source/ps/Interact.cpp

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#include "precompiled.h"
#include "Interact.h"
#include "Renderer.h"
#include "input.h"
#include "CConsole.h"
#include "HFTracer.h"
#include "Hotkey.h"
#include "timer.h"
extern CCamera g_Camera;
extern CConsole* g_Console;
extern int mouse_x, mouse_y;
extern bool keys[SDLK_LAST];
static const float SELECT_DBLCLICK_RATE = 0.5f;
static const int ORDER_DELAY = 5;
void CSelectedEntities::addSelection( CEntity* entity )
{
m_group = 255;
assert( !isSelected( entity ) );
m_selected.push_back( entity );
entity->m_selected = true;
}
void CSelectedEntities::removeSelection( CEntity* entity )
{
m_group = 255;
assert( isSelected( entity ) );
entity->m_selected = false;
std::vector<CEntity*>::iterator it;
for( it = m_selected.begin(); it < m_selected.end(); it++ )
{
if( (*it) == entity )
{
m_selected.erase( it );
break;
}
}
}
void CSelectedEntities::renderSelectionOutlines()
{
std::vector<CEntity*>::iterator it;
for( it = m_selected.begin(); it < m_selected.end(); it++ )
(*it)->renderSelectionOutline();
if( m_group_highlight != 255 )
{
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
glEnable( GL_BLEND );
std::vector<CEntity*>::iterator it;
for( it = m_groups[m_group_highlight].begin(); it < m_groups[m_group_highlight].end(); it++ )
(*it)->renderSelectionOutline( 0.5f );
glDisable( GL_BLEND );
}
}
void CSelectedEntities::renderOverlays()
{
glPushMatrix();
glEnable( GL_TEXTURE_2D );
std::vector<CEntity*>::iterator it;
for( it = m_selected.begin(); it < m_selected.end(); it++ )
{
if( (*it)->m_grouped != 255 )
{
assert( (*it)->m_bounds );
glLoadIdentity();
float x, y;
CVector3D labelpos = (*it)->m_graphics_position - g_Camera.m_Orientation.GetLeft() * (*it)->m_bounds->m_radius;
#ifdef SELECTION_TERRAIN_CONFORMANCE
labelpos.Y = g_Terrain.getExactGroundLevel( labelpos.X, labelpos.Z );
#endif
g_Camera.GetScreenCoordinates( labelpos, x, y );
glColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
glTranslatef( x, g_Renderer.GetHeight() - y, 0.0f );
glScalef( 1.0f, -1.0f, 1.0f );
glwprintf( L"%d", (*it)->m_grouped );
}
}
if( m_group_highlight != 255 )
{
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
glEnable( GL_BLEND );
std::vector<CEntity*>::iterator it;
for( it = m_groups[m_group_highlight].begin(); it < m_groups[m_group_highlight].end(); it++ )
{
assert( (*it)->m_bounds );
glLoadIdentity();
float x, y;
CVector3D labelpos = (*it)->m_graphics_position - g_Camera.m_Orientation.GetLeft() * (*it)->m_bounds->m_radius;
#ifdef SELECTION_TERRAIN_CONFORMANCE
labelpos.Y = g_Terrain.getExactGroundLevel( labelpos.X, labelpos.Z );
#endif
g_Camera.GetScreenCoordinates( labelpos, x, y );
glColor4f( 1.0f, 1.0f, 1.0f, 0.5f );
glTranslatef( x, g_Renderer.GetHeight() - y, 0.0f );
glScalef( 1.0f, -1.0f, 1.0f );
glwprintf( L"%d", (*it)->m_grouped );
}
glDisable( GL_BLEND );
}
glLoadIdentity();
glTranslatef( (float)( mouse_x + 16 ), (float)( g_Renderer.GetHeight() - mouse_y - 8 ), 0.0f );
glScalef( 1.0f, -1.0f, 1.0f );
glColor4f( 1.0f, 1.0f, 1.0f, 0.5f );
switch( m_contextOrder )
{
case CEntityOrder::ORDER_GOTO:
glwprintf( L"Go to" );
break;
case CEntityOrder::ORDER_PATROL:
glwprintf( L"Patrol to" );
break;
}
glDisable( GL_TEXTURE_2D );
glPopMatrix();
}
void CSelectedEntities::setSelection( CEntity* entity )
{
m_group = 255;
clearSelection();
m_selected.push_back( entity );
}
void CSelectedEntities::clearSelection()
{
m_group = 255;
std::vector<CEntity*>::iterator it;
for( it = m_selected.begin(); it < m_selected.end(); it++ )
(*it)->m_selected = false;
m_selected.clear();
}
void CSelectedEntities::removeAll( CEntity* entity )
{
// Remove a reference to an entity from everywhere
// (for use when said entity is being destroyed)
std::vector<CEntity*>::iterator it;
for( it = m_selected.begin(); it < m_selected.end(); it++ )
{
if( (*it) == entity )
{
m_selected.erase( it );
break;
}
}
for( u8 group = 0; group < 10; group++ )
{
for( it = m_groups[group].begin(); it < m_groups[group].end(); it++ )
{
if( (*it) == entity )
{
m_groups[group].erase( it );
break;
}
}
}
}
CVector3D CSelectedEntities::getSelectionPosition()
{
CVector3D avg;
std::vector<CEntity*>::iterator it;
for( it = m_selected.begin(); it < m_selected.end(); it++ )
avg += (*it)->m_graphics_position;
return( avg * ( 1.0f / m_selected.size() ) );
}
void CSelectedEntities::saveGroup( u8 groupid )
{
std::vector<CEntity*>::iterator it;
// Clear all entities in the group...
for( it = m_groups[groupid].begin(); it < m_groups[groupid].end(); it++ )
{
(*it)->m_grouped = 255;
(*it)->m_grouped_mirror = 0;
}
m_groups[groupid].clear();
// Remove selected entities from each group they're in, and flag them as
// members of the new group
for( it = m_selected.begin(); it < m_selected.end(); it++ )
{
if( (*it)->m_grouped < 255 )
{
std::vector<CEntity*>& group = m_groups[(*it)->m_grouped];
std::vector<CEntity*>::iterator it2;
for( it2 = group.begin(); it2 < group.end(); it2++ )
{
if( (*it2) == &(**it) )
{
group.erase( it2 );
break;
}
}
}
(*it)->m_grouped = groupid;
(*it)->m_grouped_mirror = ( groupid != 0 ) ? groupid : 10;
}
// Copy the group across
m_groups[groupid] = m_selected;
// Set the group selection memory
m_group = groupid;
}
void CSelectedEntities::loadGroup( u8 groupid )
{
clearSelection();
m_selected = m_groups[groupid];
std::vector<CEntity*>::iterator it;
for( it = m_selected.begin(); it < m_selected.end(); it++ )
(*it)->m_selected = true;
m_group = groupid;
}
void CSelectedEntities::addGroup( u8 groupid )
{
std::vector<CEntity*>::iterator it;
for( it = m_groups[groupid].begin(); it < m_groups[groupid].end(); it++ )
{
if( !isSelected( *it ) )
addSelection( *it );
}
for( it = m_selected.begin(); it < m_selected.end(); it++ )
(*it)->m_selected = true;
}
void CSelectedEntities::changeGroup( CEntity* entity, u8 groupid )
{
// Remove from current group
u8 current = entity->m_grouped;
if( current != 255 )
{
std::vector<CEntity*>::iterator it;
for( it = m_groups[current].begin(); it < m_groups[current].end(); it++ )
{
if( (*it) == entity )
{
m_groups[current].erase( it );
break;
}
}
}
if( groupid != 255 )
m_groups[groupid].push_back( entity );
entity->m_grouped = groupid;
}
bool CSelectedEntities::isSelected( CEntity* entity )
{
std::vector<CEntity*>::iterator it;
for( it = m_selected.begin(); it < m_selected.end(); it++ )
{
if( (*it) == entity )
return( true );
}
return( false );
}
void CSelectedEntities::highlightGroup( u8 groupid )
{
if( m_group_highlight != 255 )
return;
if( !getGroupCount( groupid ) )
return;
m_group_highlight = groupid;
pushCameraTarget( getGroupPosition( groupid ) );
}
void CSelectedEntities::highlightNone()
{
if( m_group_highlight != 255 )
popCameraTarget();
m_group_highlight = 255;
}
int CSelectedEntities::getGroupCount( u8 groupid )
{
return( (int)m_groups[groupid].size() );
}
CVector3D CSelectedEntities::getGroupPosition( u8 groupid )
{
CVector3D avg;
std::vector<CEntity*>::iterator it;
for( it = m_groups[groupid].begin(); it < m_groups[groupid].end(); it++ )
avg += (*it)->m_graphics_position;
return( avg * ( 1.0f / m_groups[groupid].size() ) );
}
void CSelectedEntities::update()
{
if( !isContextValid( m_contextOrder ) )
{
// This order isn't valid for the current selection and/or target.
for( int t = 0; t < CEntityOrder::ORDER_LAST; t++ )
if( isContextValid( t ) )
{
m_contextOrder = t; return;
}
m_contextOrder = -1;
}
if( ( m_group_highlight != 255 ) && getGroupCount( m_group_highlight ) )
setCameraTarget( getGroupPosition( m_group_highlight ) );
}
void CSelectedEntities::setContext( int contextOrder )
{
assert( isContextValid( contextOrder ) );
m_contextOrder = contextOrder;
}
bool CSelectedEntities::nextContext()
{
// No valid orders?
if( m_contextOrder == -1 ) return( false );
int t = m_contextOrder + 1;
while( t != m_contextOrder )
{
if( t == CEntityOrder::ORDER_LAST ) t = 0;
if( isContextValid( t ) ) break;
t++;
}
if( m_contextOrder == t )
return( false );
m_contextOrder = t;
return( true );
}
bool CSelectedEntities::previousContext()
{
// No valid orders?
if( m_contextOrder == -1 ) return( false );
int t = m_contextOrder - 1;
while( t != m_contextOrder )
{
if( isContextValid( t ) ) break;
if( t == 0 ) t = CEntityOrder::ORDER_LAST;
t--;
}
if( m_contextOrder == t )
return( false );
m_contextOrder = t;
return( true );
}
bool CSelectedEntities::isContextValid( int contextOrder )
{
if( contextOrder == -1 ) return( false );
// Check to see if any member of the selection supports this order type.
std::vector<CEntity*>::iterator it;
for( it = m_selected.begin(); it < m_selected.end(); it++ )
if( (*it)->acceptsOrder( contextOrder, g_Mouseover.m_target ) )
return( true );
return( false );
}
void CSelectedEntities::contextOrder( bool pushQueue )
{
std::vector<CEntity*>::iterator it;
CEntityOrder context, contextRandomized;
(int&)context.m_type = m_contextOrder;
CVector3D origin, dir;
g_Camera.BuildCameraRay( origin, dir );
switch( m_contextOrder )
{
case CEntityOrder::ORDER_GOTO:
case CEntityOrder::ORDER_PATROL:
{
CHFTracer maptracer( g_Terrain.GetHeightMap(), g_Terrain.GetVerticesPerSide(), (float)CELL_SIZE, HEIGHT_SCALE );
int x, y; CVector3D ipt;
maptracer.RayIntersect( origin, dir, x, y, ipt );
context.m_data[0].location.x = ipt.X;
context.m_data[0].location.y = ipt.Z;
}
break;
default:
break;
}
// Location randomizer, for group orders...
// Having the group turn up at the destination with /some/ sort of cohesion is good
// but tasking them all to the exact same point will leave them brawling for it
// at the other end (it shouldn't, but the PASAP pathfinder is too simplistic)
// Task them all to a point within a radius of the target, radius depends upon
// the number of units in the group.
float radius = 2.0f * sqrt( (float)m_selected.size() ); // A decent enough approximation
float _t, _x, _y;
for( it = m_selected.begin(); it < m_selected.end(); it++ )
if( (*it)->acceptsOrder( m_contextOrder, g_Mouseover.m_target ) )
{
contextRandomized = context;
do
{
_x = (float)( rand() % 20000 ) / 10000.0f - 1.0f;
_y = (float)( rand() % 20000 ) / 10000.0f - 1.0f;
}
while( ( _x * _x ) + ( _y * _y ) > 1.0f );
contextRandomized.m_data[0].location.x += _x * radius;
contextRandomized.m_data[0].location.y += _y * radius;
g_Scheduler.pushFrame( ORDER_DELAY, (*it)->me, new CMessageOrder( contextRandomized, pushQueue ) );
}
}
void CMouseoverEntities::update( float timestep )
{
CVector3D origin, dir;
g_Camera.BuildCameraRay( origin, dir );
CUnit* hit = g_UnitMan.PickUnit( origin, dir );
m_target = NULL;
if( hit )
m_target = hit->GetEntity();
if( m_viewall )
{
// 'O' key. Show selection outlines for all player units on screen
// (as if bandboxing them all).
// These aren't selectable; clicking when 'O' is pressed won't select
// all units on screen.
m_mouseover.clear();
std::vector<HEntity>* onscreen = g_EntityManager.matches( isOnScreen );
std::vector<HEntity>::iterator it;
for( it = onscreen->begin(); it < onscreen->end(); it++ )
m_mouseover.push_back( SMouseoverFader( &(**it), m_fademaximum, false ) );
delete( onscreen );
}
else if( m_bandbox )
{
m_x2 = mouse_x;
m_y2 = mouse_y;
// Here's the fun bit:
// Get the screen-space coordinates of all onscreen entities
// then find the ones falling within the box.
//
// Fade in the ones in the box at (in+out) speed, then fade everything
// out at (out) speed.
std::vector<HEntity>* onscreen = g_EntityManager.matches( isOnScreen );
std::vector<HEntity>::iterator it;
// Reset active flags on everything...
std::vector<SMouseoverFader>::iterator it2;
for( it2 = m_mouseover.begin(); it2 < m_mouseover.end(); it2++ )
it2->isActive = false;
for( it = onscreen->begin(); it < onscreen->end(); it++ )
{
CVector3D worldspace = (*it)->m_graphics_position;
float x, y;
g_Camera.GetScreenCoordinates( worldspace, x, y );
bool inBox;
if( m_x1 < m_x2 )
{
inBox = ( x >= m_x1 ) && ( x < m_x2 );
}
else
{
inBox = ( x >= m_x2 ) && ( x < m_x1 );
}
if( m_y1 < m_y2 )
{
inBox &= ( y >= m_y1 ) && ( y < m_y2 );
}
else
{
inBox &= ( y >= m_y2 ) && ( y < m_y1 );
}
if( inBox )
{
bool found = false;
for( it2 = m_mouseover.begin(); it2 < m_mouseover.end(); it2++ )
if( it2->entity == &(**it) )
{
found = true;
it2->fade += ( m_fadeinrate + m_fadeoutrate ) * timestep;
it2->isActive = true;
}
if( !found )
m_mouseover.push_back( SMouseoverFader( &(**it), ( m_fadeinrate + m_fadeoutrate ) * timestep ) );
}
}
delete( onscreen );
for( it2 = m_mouseover.begin(); it2 < m_mouseover.end(); )
{
it2->fade -= m_fadeoutrate * timestep;
if( it2->fade > m_fademaximum ) it2->fade = m_fademaximum;
if( it2->fade < 0.0f )
{
it2 = m_mouseover.erase( it2 );
}
else
it2++;
}
}
else
{
std::vector<SMouseoverFader>::iterator it;
bool found = false;
for( it = m_mouseover.begin(); it < m_mouseover.end(); )
{
if( it->entity == m_target )
{
found = true;
it->fade += m_fadeinrate * timestep;
if( it->fade > m_fademaximum ) it->fade = m_fademaximum;
it->isActive = true;
it++; continue;
}
else
{
it->fade -= m_fadeoutrate * timestep;
if( it->fade <= 0.0f )
{
it = m_mouseover.erase( it ); continue;
}
it++; continue;
}
}
if( !found && m_target )
{
float initial = m_fadeinrate * timestep;
if( initial > m_fademaximum ) initial = m_fademaximum;
m_mouseover.push_back( SMouseoverFader( m_target, initial ) );
}
}
}
void CMouseoverEntities::addSelection()
{
std::vector<SMouseoverFader>::iterator it;
for( it = m_mouseover.begin(); it < m_mouseover.end(); it++ )
if( it->isActive && !g_Selection.isSelected( it->entity ) )
g_Selection.addSelection( it->entity );
}
void CMouseoverEntities::removeSelection()
{
std::vector<SMouseoverFader>::iterator it;
for( it = m_mouseover.begin(); it < m_mouseover.end(); it++ )
if( it->isActive && g_Selection.isSelected( it->entity ) )
g_Selection.removeSelection( it->entity );
}
void CMouseoverEntities::setSelection()
{
g_Selection.clearSelection();
addSelection();
}
void CMouseoverEntities::expandAcrossScreen()
{
std::vector<HEntity>* activeset = g_EntityManager.matches( isMouseoverType, isOnScreen );
m_mouseover.clear();
std::vector<HEntity>::iterator it;
for( it = activeset->begin(); it < activeset->end(); it++ )
{
m_mouseover.push_back( SMouseoverFader( &(**it) ) );
}
delete( activeset );
}
void CMouseoverEntities::expandAcrossWorld()
{
std::vector<HEntity>* activeset = g_EntityManager.matches( isMouseoverType );
m_mouseover.clear();
std::vector<HEntity>::iterator it;
for( it = activeset->begin(); it < activeset->end(); it++ )
{
m_mouseover.push_back( SMouseoverFader( &(**it) ) );
}
delete( activeset );
}
void CMouseoverEntities::renderSelectionOutlines()
{
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
glEnable( GL_BLEND );
std::vector<SMouseoverFader>::iterator it;
for( it = m_mouseover.begin(); it < m_mouseover.end(); it++ )
it->entity->renderSelectionOutline( it->fade );
glDisable( GL_BLEND );
}
void CMouseoverEntities::renderOverlays()
{
glLoadIdentity();
glDisable( GL_TEXTURE_2D );
if( m_bandbox )
{
//glPushMatrix();
glColor3f( 1.0f, 1.0f, 1.0f );
glBegin( GL_LINE_LOOP );
glVertex2i( m_x1, g_Renderer.GetHeight() - m_y1 );
glVertex2i( m_x2, g_Renderer.GetHeight() - m_y1 );
glVertex2i( m_x2, g_Renderer.GetHeight() - m_y2 );
glVertex2i( m_x1, g_Renderer.GetHeight() - m_y2 );
glEnd();
//glPopMatrix();
}
glEnable( GL_TEXTURE_2D );
std::vector<SMouseoverFader>::iterator it;
for( it = m_mouseover.begin(); it < m_mouseover.end(); it++ )
{
if( it->entity->m_grouped != 255 )
{
assert( it->entity->m_bounds );
glPushMatrix();
glEnable( GL_TEXTURE_2D );
glLoadIdentity();
float x, y;
CVector3D labelpos = it->entity->m_graphics_position - g_Camera.m_Orientation.GetLeft() * it->entity->m_bounds->m_radius;
#ifdef SELECTION_TERRAIN_CONFORMANCE
labelpos.Y = g_Terrain.getExactGroundLevel( labelpos.X, labelpos.Z );
#endif
g_Camera.GetScreenCoordinates( labelpos, x, y );
glColor4f( 1.0f, 1.0f, 1.0f, it->fade );
glTranslatef( x, g_Renderer.GetHeight() - y, 0.0f );
glScalef( 1.0f, -1.0f, 1.0f );
glwprintf( L"%d", it->entity->m_grouped );
glDisable( GL_TEXTURE_2D );
glPopMatrix();
}
}
}
void CMouseoverEntities::startBandbox( u16 x, u16 y )
{
m_bandbox = true;
m_x1 = x; m_y1 = y;
}
void CMouseoverEntities::stopBandbox()
{
m_bandbox = false;
}
int interactInputHandler( const SDL_Event* ev )
{
static float lastclicktime = 0.0f;
static CEntity* lastclickobject = NULL;
static u8 clicks = 0;
static u16 button_down_x, button_down_y;
static bool button_down = false;
switch( ev->type )
{
case SDL_HOTKEYDOWN:
switch( ev->user.code )
{
case HOTKEY_HIGHLIGHTALL:
g_Mouseover.m_viewall = true;
break;
case HOTKEY_SELECTION_SNAP:
if( g_Selection.m_selected.size() )
setCameraTarget( g_Selection.getSelectionPosition() );
break;
case HOTKEY_CONTEXTORDER_NEXT:
g_Selection.nextContext();
break;
case HOTKEY_CONTEXTORDER_PREVIOUS:
g_Selection.previousContext();
break;
default:
if( ( ev->user.code >= HOTKEY_SELECTION_GROUP_0 ) && ( ev->key.keysym.sym <= HOTKEY_SELECTION_GROUP_19 ) )
{
// The above test limits it to 20 groups, so don't worry about overflowing
u8 id = (u8)( ev->user.code - HOTKEY_SELECTION_GROUP_0 );
if( hotkeys[HOTKEY_SELECTION_GROUP_ADD] )
{
g_Selection.addGroup( id );
}
else if( hotkeys[HOTKEY_SELECTION_GROUP_SAVE] )
{
g_Selection.saveGroup( id );
}
else if( hotkeys[HOTKEY_SELECTION_GROUP_SNAP] )
{
g_Selection.highlightGroup( id );
}
else
{
if( ( g_Selection.m_group == id ) && g_Selection.getGroupCount( id ) )
{
setCameraTarget( g_Selection.getGroupPosition( id ) );
}
else
g_Selection.loadGroup( id );
}
return( EV_HANDLED );
}
else if( ( ev->user.code >= HOTKEY_CAMERA_BOOKMARK_0 ) && ( ev->user.code <= HOTKEY_CAMERA_BOOKMARK_9 ) )
{
// The above test limits it to 10 bookmarks, so don't worry about overflowing
u8 id = (u8)( ev->user.code - HOTKEY_CAMERA_BOOKMARK_0 );
if( hotkeys[HOTKEY_CAMERA_BOOKMARK_SAVE] )
{
// Attempt to track the ground we're looking at
CHFTracer tracer( g_Terrain.GetHeightMap(), g_Terrain.GetVerticesPerSide(), (float)CELL_SIZE, (float)HEIGHT_SCALE ); int x, z;
CVector3D origin, dir, delta, currentTarget;
origin = g_Camera.m_Orientation.GetTranslation();
dir = g_Camera.m_Orientation.GetIn();
if( tracer.RayIntersect( origin, dir, x, z, currentTarget ) )
{
cameraBookmarks[id] = currentTarget;
}
else
{
// Placing a bookmark off the map? If you say so, guv'nor.
cameraBookmarks[id] = g_Camera.m_Orientation.GetTranslation() + g_Camera.m_Orientation.GetIn() * 160.0f;
}
bookmarkInUse[id] = true;
}
else if( hotkeys[HOTKEY_CAMERA_BOOKMARK_SNAP] )
{
if( bookmarkInUse[id] && ( currentBookmark == 255 ) )
{
pushCameraTarget( cameraBookmarks[id] );
currentBookmark = id;
}
}
else
{
if( bookmarkInUse[id] )
setCameraTarget( cameraBookmarks[id] );
}
return( EV_HANDLED );
}
return( EV_PASS );
}
return( EV_HANDLED );
case SDL_HOTKEYUP:
switch( ev->user.code )
{
case HOTKEY_SELECTION_GROUP_SNAP:
if( g_Selection.m_group_highlight != 255 )
g_Selection.highlightNone();
break;
case HOTKEY_CAMERA_BOOKMARK_SNAP:
if( currentBookmark != 255 )
popCameraTarget();
currentBookmark = 255;
break;
case HOTKEY_HIGHLIGHTALL:
g_Mouseover.m_viewall = false;
break;
}
return( EV_HANDLED );
case SDL_MOUSEBUTTONUP:
switch( ev->button.button )
{
case SDL_BUTTON_LEFT:
if( g_Mouseover.m_viewall )
break;
float time;
time = (float)get_time();
// Reset clicks counter if too slow or if the cursor's
// hovering over something else now.
if( time - lastclicktime >= SELECT_DBLCLICK_RATE )
clicks = 0;
if( g_Mouseover.m_target != lastclickobject )
clicks = 0;
clicks++;
if( clicks == 2 )
{
// Double click
g_Mouseover.expandAcrossScreen();
}
else if( clicks == 3 )
{
// Triple click
g_Mouseover.expandAcrossWorld();
}
lastclicktime = time;
lastclickobject = g_Mouseover.m_target;
button_down = false;
g_Mouseover.stopBandbox();
if( hotkeys[HOTKEY_SELECTION_ADD] )
{
g_Mouseover.addSelection();
}
else if( hotkeys[HOTKEY_SELECTION_REMOVE] )
{
g_Mouseover.removeSelection();
}
else
g_Mouseover.setSelection();
break;
case SDL_BUTTON_RIGHT:
g_Selection.contextOrder( hotkeys[HOTKEY_ORDER_QUEUE] );
break;
}
break;
case SDL_MOUSEBUTTONDOWN:
switch( ev->button.button )
{
case SDL_BUTTON_LEFT:
button_down = true;
button_down_x = ev->button.x;
button_down_y = ev->button.y;
break;
}
break;
case SDL_MOUSEMOTION:
if( !g_Mouseover.isBandbox() && button_down )
{
int deltax = ev->motion.x - button_down_x;
int deltay = ev->motion.y - button_down_y;
if( ABS( deltax ) > 2 || ABS( deltay ) > 2 )
g_Mouseover.startBandbox( button_down_x, button_down_y );
}
break;
}
return( EV_PASS );
}
bool isOnScreen( CEntity* ev )
{
CFrustum frustum = g_Camera.GetFustum();
return( frustum.IsBoxVisible( CVector3D(), ev->m_actor->GetModel()->GetBounds() ) );
}
bool isMouseoverType( CEntity* ev )
{
std::vector<SMouseoverFader>::iterator it;
for( it = g_Mouseover.m_mouseover.begin(); it < g_Mouseover.m_mouseover.end(); it++ )
{
if( it->isActive && ( (CBaseEntity*)it->entity->m_base == (CBaseEntity*)ev->m_base ) )
return( true );
}
return( false );
}
void pushCameraTarget( const CVector3D& target )
{
// Save the current position
cameraTargets.push_back( g_Camera.m_Orientation.GetTranslation() );
// And set the camera
setCameraTarget( target );
}
void setCameraTarget( const CVector3D& target )
{
// Maintain the same orientation and level of zoom, if we can
// (do this by working out the point the camera is looking at, saving
// the difference beteen that position and the camera point, and restoring
// that difference to our new target)
CHFTracer tracer( g_Terrain.GetHeightMap(), g_Terrain.GetVerticesPerSide(), (float)CELL_SIZE, (float)HEIGHT_SCALE ); int x, z;
CVector3D origin, dir, currentTarget;
origin = g_Camera.m_Orientation.GetTranslation();
dir = g_Camera.m_Orientation.GetIn();
if( tracer.RayIntersect( origin, dir, x, z, currentTarget ) )
{
cameraDelta = target - currentTarget;
}
else
cameraDelta = ( target - dir * 160.0f ) - origin;
}
void popCameraTarget()
{
cameraDelta = cameraTargets.back() - g_Camera.m_Orientation.GetTranslation();
cameraTargets.pop_back();
}
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