163 lines
4.6 KiB
C++
163 lines
4.6 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================//
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#include "cbase.h"
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#include "particles_ez.h"
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#include "igamesystem.h"
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// memdbgon must be the last include file in a .cpp file!!!
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#include "tier0/memdbgon.h"
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// Singletons for each type of particle system.
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// 0 = world, 1 = skybox
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static CSmartPtr<CSimpleEmitter> g_pSimpleSingleton[2];
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static CSmartPtr<CEmberEffect> g_pEmberSingleton[2];
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static CSmartPtr<CFireSmokeEffect> g_pFireSmokeSingleton[2];
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static CSmartPtr<CFireParticle> g_pFireSingleton[2];
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class CEZParticleInit : public CAutoGameSystem
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{
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public:
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CEZParticleInit() : CAutoGameSystem( "CEZParticleInit" )
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{
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}
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template< class T >
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CSmartPtr<T> InitSingleton( CSmartPtr<T> pEmitter )
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{
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if ( !pEmitter )
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{
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Error( "InitSingleton: pEmitter is NULL" );
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}
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pEmitter->GetBinding().SetDrawThruLeafSystem( false ); // Draw in DrawSingletons instead.
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pEmitter->SetSortOrigin( Vector( 0, 0, 0 ) );
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// Since we draw manually in DrawSingletons, we don't care about
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// the bbox, so don't waste cycles inserting it into the leaf system
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// when it's not going to draw through that anyway.
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// (TODO: SetDrawThruLeafSystem(false) should trigger this automatically
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// in CParticleMgr).
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pEmitter->GetBinding().SetBBox( Vector( 0, 0, 0 ), Vector( 0, 0, 0 ) );
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return pEmitter;
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}
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virtual void LevelInitPreEntity()
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{
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g_pSimpleSingleton[0] = InitSingleton( CSimpleEmitter::Create( "Simple Particle Singleton" ) );
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g_pSimpleSingleton[1] = InitSingleton( CSimpleEmitter::Create( "Simple Particle Singleton [sky]" ) );
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g_pEmberSingleton[0] = InitSingleton( CEmberEffect::Create( "Ember Particle Singleton" ) );
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g_pEmberSingleton[1] = InitSingleton( CEmberEffect::Create( "Ember Particle Singleton [sky]" ) );
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g_pFireSmokeSingleton[0] = InitSingleton( CFireSmokeEffect::Create( "Fire Smoke Particle Singleton" ) );
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g_pFireSmokeSingleton[1] = InitSingleton( CFireSmokeEffect::Create( "Fire Smoke Particle Singleton [sky]" ) );
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g_pFireSingleton[0] = InitSingleton( CFireParticle::Create( "Fire Particle Singleton" ) );
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g_pFireSingleton[1] = InitSingleton( CFireParticle::Create( "Fire Particle Singleton [sky]" ) );
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}
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virtual void LevelShutdownPreEntity()
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{
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g_pSimpleSingleton[0] = g_pSimpleSingleton[1] = NULL;
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g_pEmberSingleton[0] = g_pEmberSingleton[1] = NULL;
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g_pFireSmokeSingleton[0] = g_pFireSmokeSingleton[1] = NULL;
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g_pFireSingleton[0] = g_pFireSingleton[1] = NULL;
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}
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};
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static CEZParticleInit g_EZParticleInit;
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template<class T>
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inline void CopyParticle( const T *pSrc, T *pDest )
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{
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if ( pDest )
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{
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// Copy the particle, but don't screw up the linked list it's in.
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Particle *pPrev = pDest->m_pPrev;
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Particle *pNext = pDest->m_pNext;
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PMaterialHandle pSubTexture = pDest->m_pSubTexture;
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*pDest = *pSrc;
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pDest->m_pPrev = pPrev;
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pDest->m_pNext = pNext;
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pDest->m_pSubTexture = pSubTexture;
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}
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}
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void AddSimpleParticle( const SimpleParticle *pParticle, PMaterialHandle hMaterial, bool bInSkybox )
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{
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if ( g_pSimpleSingleton[bInSkybox].IsValid() )
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{
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SimpleParticle *pNew = g_pSimpleSingleton[bInSkybox]->AddSimpleParticle( hMaterial, pParticle->m_Pos );
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CopyParticle( pParticle, pNew );
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}
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}
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void AddEmberParticle( const SimpleParticle *pParticle, PMaterialHandle hMaterial, bool bInSkybox )
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{
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if ( g_pEmberSingleton[bInSkybox].IsValid() )
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{
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SimpleParticle *pNew = g_pEmberSingleton[bInSkybox]->AddSimpleParticle( hMaterial, pParticle->m_Pos );
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CopyParticle( pParticle, pNew );
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}
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}
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void AddFireSmokeParticle( const SimpleParticle *pParticle, PMaterialHandle hMaterial, bool bInSkybox )
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{
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if ( g_pFireSmokeSingleton[bInSkybox].IsValid() )
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{
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SimpleParticle *pNew = g_pFireSmokeSingleton[bInSkybox]->AddSimpleParticle( hMaterial, pParticle->m_Pos );
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CopyParticle( pParticle, pNew );
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}
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}
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void AddFireParticle( const SimpleParticle *pParticle, PMaterialHandle hMaterial, bool bInSkybox )
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{
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if ( g_pFireSingleton[bInSkybox].IsValid() )
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{
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SimpleParticle *pNew = g_pFireSingleton[bInSkybox]->AddSimpleParticle( hMaterial, pParticle->m_Pos );
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CopyParticle( pParticle, pNew );
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}
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}
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void DrawParticleSingletons( bool bInSkybox )
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{
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if ( g_pSimpleSingleton[bInSkybox].IsValid() )
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{
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g_pSimpleSingleton[bInSkybox]->GetBinding().DrawModel( 1 );
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}
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if ( g_pEmberSingleton[bInSkybox].IsValid() )
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{
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g_pEmberSingleton[bInSkybox]->GetBinding().DrawModel( 1 );
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}
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if ( g_pFireSmokeSingleton[bInSkybox].IsValid() )
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{
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g_pFireSmokeSingleton[bInSkybox]->GetBinding().DrawModel( 1 );
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}
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if ( g_pFireSingleton[bInSkybox].IsValid() )
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{
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g_pFireSingleton[bInSkybox]->GetBinding().DrawModel( 1 );
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}
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}
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