Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
#include "cbase.h"
#include "materialsystem/imaterialproxy.h"
#include "materialsystem/imaterial.h"
#include "materialsystem/imaterialvar.h"
// $sineVar : name of variable that controls the alpha level (float)
class CzTestMaterialProxy : public IMaterialProxy
{
public:
CzTestMaterialProxy();
virtual ~CzTestMaterialProxy();
virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
virtual void OnBind( void *pC_BaseEntity );
virtual void Release( void ) { delete this; }
private:
C_BaseEntity *BindArgToEntity( void *pArg );
IMaterialVar *m_AlphaVar;
};
CzTestMaterialProxy::CzTestMaterialProxy()
{
m_AlphaVar = NULL;
}
CzTestMaterialProxy::~CzTestMaterialProxy()
{
}
C_BaseEntity *CzTestMaterialProxy::BindArgToEntity( void *pArg )
{
IClientRenderable *pRend = (IClientRenderable *)pArg;
return pRend->GetIClientUnknown()->GetBaseEntity();
}
bool CzTestMaterialProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
{
bool foundVar;
m_AlphaVar = pMaterial->FindVar( "$alpha", &foundVar, false );
return foundVar;
}
void CzTestMaterialProxy::OnBind( void *pC_BaseEntity )
{
C_BaseEntity *pEnt = BindArgToEntity( pC_BaseEntity );
if( !pEnt )
{
return;
}
if (m_AlphaVar)
{
m_AlphaVar->SetFloatValue( pEnt->m_clrRender.a );
}
}
EXPOSE_INTERFACE( CzTestMaterialProxy, IMaterialProxy, "zTest" IMATERIAL_PROXY_INTERFACE_VERSION );