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62 lines
1.4 KiB
62 lines
1.4 KiB
//========= Copyright Valve Corporation, All rights reserved. ============// |
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// |
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// Purpose: |
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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 "proxyentity.h" |
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#include "materialsystem/imaterial.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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// $sineVar : name of variable that controls the alpha level (float) |
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class CAlphaMaterialProxy : public CEntityMaterialProxy |
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{ |
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public: |
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CAlphaMaterialProxy(); |
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virtual ~CAlphaMaterialProxy(); |
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virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues ); |
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virtual void OnBind( C_BaseEntity *pEntity ); |
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virtual IMaterial *GetMaterial(); |
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private: |
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IMaterialVar *m_AlphaVar; |
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}; |
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CAlphaMaterialProxy::CAlphaMaterialProxy() |
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{ |
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m_AlphaVar = NULL; |
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} |
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CAlphaMaterialProxy::~CAlphaMaterialProxy() |
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{ |
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} |
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bool CAlphaMaterialProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues ) |
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{ |
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bool foundVar; |
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m_AlphaVar = pMaterial->FindVar( "$alpha", &foundVar, false ); |
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return foundVar; |
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} |
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void CAlphaMaterialProxy::OnBind( C_BaseEntity *pEnt ) |
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{ |
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if (m_AlphaVar) |
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{ |
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m_AlphaVar->SetFloatValue( pEnt->m_clrRender->a ); |
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} |
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} |
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IMaterial *CAlphaMaterialProxy::GetMaterial() |
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{ |
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if ( !m_AlphaVar ) |
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return NULL; |
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return m_AlphaVar->GetOwningMaterial(); |
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} |
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EXPOSE_INTERFACE( CAlphaMaterialProxy, IMaterialProxy, "Alpha" IMATERIAL_PROXY_INTERFACE_VERSION );
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