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65 lines
1.5 KiB
65 lines
1.5 KiB
5 years ago
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//========= 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 "materialsystem/imaterialproxy.h"
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#include "materialsystem/imaterial.h"
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#include "materialsystem/imaterialvar.h"
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// $sineVar : name of variable that controls the alpha level (float)
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class CzTestMaterialProxy : public IMaterialProxy
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{
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public:
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CzTestMaterialProxy();
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virtual ~CzTestMaterialProxy();
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virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
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virtual void OnBind( void *pC_BaseEntity );
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virtual void Release( void ) { delete this; }
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private:
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C_BaseEntity *BindArgToEntity( void *pArg );
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IMaterialVar *m_AlphaVar;
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};
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CzTestMaterialProxy::CzTestMaterialProxy()
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{
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m_AlphaVar = NULL;
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}
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CzTestMaterialProxy::~CzTestMaterialProxy()
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{
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}
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C_BaseEntity *CzTestMaterialProxy::BindArgToEntity( void *pArg )
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{
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IClientRenderable *pRend = (IClientRenderable *)pArg;
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return pRend->GetIClientUnknown()->GetBaseEntity();
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}
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bool CzTestMaterialProxy::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 CzTestMaterialProxy::OnBind( void *pC_BaseEntity )
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{
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C_BaseEntity *pEnt = BindArgToEntity( pC_BaseEntity );
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if( !pEnt )
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{
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return;
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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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EXPOSE_INTERFACE( CzTestMaterialProxy, IMaterialProxy, "zTest" IMATERIAL_PROXY_INTERFACE_VERSION );
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