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148 lines
3.9 KiB
C++
148 lines
3.9 KiB
C++
//========= 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/imaterialvar.h"
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#include "materialsystem/imaterial.h"
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#include "portalrenderable_flatbasic.h"
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#include "c_prop_portal.h"
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#include "toolframework_client.h"
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#include <KeyValues.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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class CPortalStaticProxy : public IMaterialProxy
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{
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protected:
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IMaterialVar *m_StaticOutput;
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public:
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virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
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virtual void OnBind( void *pBind );
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virtual void Release( void ) { delete this; }
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virtual IMaterial * GetMaterial() { return ( m_StaticOutput ) ? m_StaticOutput->GetOwningMaterial() : NULL; }
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float ComputeStaticAmount( CPortalRenderable_FlatBasic *pPortal );
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};
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bool CPortalStaticProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
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{
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char const* pszResultVar = pKeyValues->GetString( "resultVar" );
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if( !pszResultVar )
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return false;
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bool foundVar;
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m_StaticOutput = pMaterial->FindVar( pszResultVar, &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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float CPortalStaticProxy::ComputeStaticAmount( CPortalRenderable_FlatBasic *pFlatBasic )
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{
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float flStaticAmount = pFlatBasic->m_fStaticAmount;
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if ( !pFlatBasic->GetLinkedPortal() )
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{
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flStaticAmount = 1.0f;
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}
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if ( pFlatBasic->WillUseDepthDoublerThisDraw() )
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{
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flStaticAmount = 0.0f;
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}
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else if ( g_pPortalRender->GetRemainingPortalViewDepth() == 0 ) //end of the line, no more views
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{
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flStaticAmount = 1.0f;
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}
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else if ( (g_pPortalRender->GetRemainingPortalViewDepth() == 1) && (pFlatBasic->m_fSecondaryStaticAmount > flStaticAmount) ) //fading in from no views to another view (player just walked through it)
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{
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flStaticAmount = pFlatBasic->m_fSecondaryStaticAmount;
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}
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return flStaticAmount;
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}
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void CPortalStaticProxy::OnBind( void *pBind )
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{
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if ( pBind == NULL )
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return;
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float flStaticAmount;
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IClientRenderable *pRenderable = (IClientRenderable*)pBind;
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CPortalRenderable *pRecordedPortal = g_pPortalRender->FindRecordedPortal( pRenderable );
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if ( pRecordedPortal )
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{
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CPortalRenderable_FlatBasic *pRecordedFlatBasic = dynamic_cast<CPortalRenderable_FlatBasic *>(pRecordedPortal);
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if ( !pRecordedFlatBasic )
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return;
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flStaticAmount = ComputeStaticAmount( pRecordedFlatBasic );
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}
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else
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{
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CPortalRenderable_FlatBasic *pFlatBasic = dynamic_cast<CPortalRenderable_FlatBasic*>( pRenderable );
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if ( !pFlatBasic )
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return;
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flStaticAmount = ComputeStaticAmount( pFlatBasic );
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}
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m_StaticOutput->SetFloatValue( flStaticAmount );
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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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EXPOSE_INTERFACE( CPortalStaticProxy, IMaterialProxy, "PortalStaticModel" IMATERIAL_PROXY_INTERFACE_VERSION );
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class CPortalStaticPortalProxy : public CPortalStaticProxy
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{
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public:
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virtual void OnBind( void *pBind );
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};
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void CPortalStaticPortalProxy::OnBind( void *pBind )
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{
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if ( pBind == NULL )
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return;
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IClientRenderable *pRenderable = (IClientRenderable*)( pBind );
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C_Prop_Portal *pPortal = (C_Prop_Portal *)pRenderable;
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float flStaticAmount = ComputeStaticAmount( pPortal );
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m_StaticOutput->SetFloatValue( flStaticAmount );
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}
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EXPOSE_INTERFACE( CPortalStaticPortalProxy, IMaterialProxy, "PortalStatic" IMATERIAL_PROXY_INTERFACE_VERSION );
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class CPortalOpenAmountProxy : public CPortalStaticProxy
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{
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public:
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virtual void OnBind( void *pBind );
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};
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void CPortalOpenAmountProxy::OnBind( void *pBind )
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{
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if ( pBind == NULL )
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return;
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IClientRenderable *pRenderable = (IClientRenderable*)( pBind );
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C_Prop_Portal *pPortal = (C_Prop_Portal *)pRenderable;
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m_StaticOutput->SetFloatValue( pPortal->m_fOpenAmount );
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}
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EXPOSE_INTERFACE( CPortalOpenAmountProxy, IMaterialProxy, "PortalOpenAmount" IMATERIAL_PROXY_INTERFACE_VERSION );
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