106 lines
2.2 KiB
C++
106 lines
2.2 KiB
C++
//========= Copyright © 1996-2008, Valve Corporation, All rights reserved. ============//
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//
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// Material proxy to stuff a convar into a material var.
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//
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// $NoKeywords: $
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//=============================================================================//
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#include "cbase.h"
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// identifier was truncated to '255' characters in the debug information
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//#pragma warning(disable: 4786)
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#include "convar.h"
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#include "MaterialSystem/imaterialproxy.h"
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#include "materialsystem/IMaterialVar.h"
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#include "imaterialproxydict.h"
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// NOTE: This has to be the last file included!
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#include "tier0/memdbgon.h"
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class CConVarMaterialProxy: public IMaterialProxy
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{
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public:
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CConVarMaterialProxy()
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: m_pResult( NULL ),
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m_conVarRef( "", true )
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{
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}
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virtual ~CConVarMaterialProxy()
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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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const char *pResult = pKeyValues->GetString( "resultVar" );
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if ( !pResult )
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return false;
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bool found;
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m_pResult = pMaterial->FindVar( pResult, &found );
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if ( !found )
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{
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m_pResult = NULL;
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return false;
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}
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if ( !Q_stricmp( pResult, "$alpha" ) )
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{
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pMaterial->SetMaterialVarFlag( MATERIAL_VAR_ALPHA_MODIFIED_BY_PROXY, true );
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}
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pResult = pKeyValues->GetString( "convar" );
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if( !pResult )
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{
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return false;
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}
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m_conVarRef.Init( pResult, false );
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if ( !m_conVarRef.IsValid() )
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{
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return false;
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}
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return true;
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}
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virtual void OnBind( void* )
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{
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switch( m_pResult->GetType() )
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{
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case MATERIAL_VAR_TYPE_VECTOR:
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{
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float f = m_conVarRef.GetFloat();
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Vector4D vec( f, f, f, f );
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m_pResult->SetVecValue( vec.Base(), m_pResult->VectorSize() );
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}
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break;
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case MATERIAL_VAR_TYPE_INT:
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m_pResult->SetIntValue( m_conVarRef.GetInt() );
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break;
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case MATERIAL_VAR_TYPE_FLOAT:
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default:
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m_pResult->SetFloatValue( m_conVarRef.GetFloat() );
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break;
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}
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}
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virtual IMaterial *GetMaterial()
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{
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return m_pResult->GetOwningMaterial();
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}
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virtual void Release()
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{
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}
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protected:
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IMaterialVar *m_pResult;
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ConVarRef m_conVarRef;
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};
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EXPOSE_MATERIAL_PROXY( CConVarMaterialProxy, ConVar );
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