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84 lines
2.2 KiB
C++
84 lines
2.2 KiB
C++
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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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#include "iviewrender.h"
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#include "toolframework_client.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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// forward declarations
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void ToolFramework_RecordMaterialParams( IMaterial *pMaterial );
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// no inputs, assumes that the results go into $CHEAPWATERSTARTDISTANCE and $CHEAPWATERENDDISTANCE
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class CWaterLODMaterialProxy : public IMaterialProxy
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{
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public:
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CWaterLODMaterialProxy();
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virtual ~CWaterLODMaterialProxy();
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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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virtual IMaterial *GetMaterial();
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private:
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IMaterialVar *m_pCheapWaterStartDistanceVar;
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IMaterialVar *m_pCheapWaterEndDistanceVar;
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};
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CWaterLODMaterialProxy::CWaterLODMaterialProxy()
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{
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m_pCheapWaterStartDistanceVar = NULL;
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m_pCheapWaterEndDistanceVar = NULL;
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}
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CWaterLODMaterialProxy::~CWaterLODMaterialProxy()
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{
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}
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bool CWaterLODMaterialProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
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{
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bool foundVar;
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m_pCheapWaterStartDistanceVar = pMaterial->FindVar( "$CHEAPWATERSTARTDISTANCE", &foundVar, false );
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if( !foundVar )
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return false;
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m_pCheapWaterEndDistanceVar = pMaterial->FindVar( "$CHEAPWATERENDDISTANCE", &foundVar, false );
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if( !foundVar )
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return false;
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return true;
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}
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void CWaterLODMaterialProxy::OnBind( void *pC_BaseEntity )
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{
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if( !m_pCheapWaterStartDistanceVar || !m_pCheapWaterEndDistanceVar )
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{
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return;
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}
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float start, end;
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view->GetWaterLODParams( start, end );
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m_pCheapWaterStartDistanceVar->SetFloatValue( start );
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m_pCheapWaterEndDistanceVar->SetFloatValue( end );
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if ( ToolsEnabled() )
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{
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ToolFramework_RecordMaterialParams( GetMaterial() );
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}
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}
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IMaterial *CWaterLODMaterialProxy::GetMaterial()
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{
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return m_pCheapWaterStartDistanceVar->GetOwningMaterial();
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}
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EXPOSE_INTERFACE( CWaterLODMaterialProxy, IMaterialProxy, "WaterLOD" IMATERIAL_PROXY_INTERFACE_VERSION );
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