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77 lines
2.0 KiB
77 lines
2.0 KiB
//========= Copyright Valve Corporation, All rights reserved. ============// |
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// |
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// Purpose: This module implements all the proxies used by the particle systems. |
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// |
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// $NoKeywords: $ |
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//=============================================================================// |
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#include "cbase.h" |
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#include "particlemgr.h" |
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#include "materialsystem/imaterialproxy.h" |
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#include "materialsystem/imaterialvar.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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// ------------------------------------------------------------------------ // |
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// ParticleSphereProxy |
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// ------------------------------------------------------------------------ // |
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class ParticleSphereProxy : public IMaterialProxy |
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{ |
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// IMaterialProxy overrides. |
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public: |
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ParticleSphereProxy() |
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{ |
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} |
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virtual ~ParticleSphereProxy() |
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{ |
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} |
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virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues ) |
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{ |
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m_pLightPosition = pMaterial->FindVar( "$light_position", NULL, false ); |
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m_pLightColor = pMaterial->FindVar( "$light_color", NULL, false ); |
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return true; |
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} |
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virtual void OnBind( void *pvParticleMgr ) |
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{ |
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if( !pvParticleMgr ) |
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return; |
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CParticleMgr *pMgr = (CParticleMgr*)pvParticleMgr; |
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CParticleLightInfo info; |
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pMgr->GetDirectionalLightInfo( info ); |
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// Transform the light into camera space. |
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Vector vTransformedPos = pMgr->GetModelView() * info.m_vPos; |
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if ( m_pLightPosition ) |
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m_pLightPosition->SetVecValue( vTransformedPos.Base(), 3 ); |
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if ( m_pLightColor ) |
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{ |
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Vector vTotalColor = info.m_vColor * info.m_flIntensity; |
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m_pLightColor->SetVecValue( vTotalColor.Base(), 3 ); |
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} |
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} |
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virtual void Release( void ) { delete this; } |
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virtual IMaterial *GetMaterial() |
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{ |
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IMaterialVar *pVar = m_pLightPosition ? m_pLightPosition : m_pLightColor; |
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if ( !pVar ) |
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return NULL; |
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return pVar->GetOwningMaterial(); |
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} |
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private: |
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IMaterialVar *m_pLightPosition; |
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IMaterialVar *m_pLightColor; |
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}; |
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EXPOSE_INTERFACE( ParticleSphereProxy, IMaterialProxy, "ParticleSphereProxy" IMATERIAL_PROXY_INTERFACE_VERSION ); |
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