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/imaterialvar.h"
#include "materialsystem/imaterial.h"
#include "portalrenderable_flatbasic.h"
#include "c_prop_portal.h"
#include "toolframework_client.h"
#include <KeyValues.h>
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
class CPortalStaticProxy : public IMaterialProxy
{
protected:
IMaterialVar *m_StaticOutput;
public:
virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
virtual void OnBind( void *pBind );
virtual void Release( void ) { delete this; }
virtual IMaterial * GetMaterial() { return ( m_StaticOutput ) ? m_StaticOutput->GetOwningMaterial() : NULL; }
float ComputeStaticAmount( CPortalRenderable_FlatBasic *pPortal );
};
bool CPortalStaticProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
{
char const* pszResultVar = pKeyValues->GetString( "resultVar" );
if( !pszResultVar )
return false;
bool foundVar;
m_StaticOutput = pMaterial->FindVar( pszResultVar, &foundVar, false );
if( !foundVar )
return false;
return true;
}
float CPortalStaticProxy::ComputeStaticAmount( CPortalRenderable_FlatBasic *pFlatBasic )
{
float flStaticAmount = pFlatBasic->m_fStaticAmount;
if ( !pFlatBasic->GetLinkedPortal() )
{
flStaticAmount = 1.0f;
}
if ( pFlatBasic->WillUseDepthDoublerThisDraw() )
{
flStaticAmount = 0.0f;
}
else if ( g_pPortalRender->GetRemainingPortalViewDepth() == 0 ) //end of the line, no more views
{
flStaticAmount = 1.0f;
}
else if ( (g_pPortalRender->GetRemainingPortalViewDepth() == 1) && (pFlatBasic->m_fSecondaryStaticAmount > flStaticAmount) ) //fading in from no views to another view (player just walked through it)
{
flStaticAmount = pFlatBasic->m_fSecondaryStaticAmount;
}
return flStaticAmount;
}
void CPortalStaticProxy::OnBind( void *pBind )
{
if ( pBind == NULL )
return;
float flStaticAmount;
IClientRenderable *pRenderable = (IClientRenderable*)pBind;
CPortalRenderable *pRecordedPortal = g_pPortalRender->FindRecordedPortal( pRenderable );
if ( pRecordedPortal )
{
CPortalRenderable_FlatBasic *pRecordedFlatBasic = dynamic_cast<CPortalRenderable_FlatBasic *>(pRecordedPortal);
if ( !pRecordedFlatBasic )
return;
flStaticAmount = ComputeStaticAmount( pRecordedFlatBasic );
}
else
{
CPortalRenderable_FlatBasic *pFlatBasic = dynamic_cast<CPortalRenderable_FlatBasic*>( pRenderable );
if ( !pFlatBasic )
return;
flStaticAmount = ComputeStaticAmount( pFlatBasic );
}
m_StaticOutput->SetFloatValue( flStaticAmount );
if ( ToolsEnabled() )
{
ToolFramework_RecordMaterialParams( GetMaterial() );
}
}
EXPOSE_INTERFACE( CPortalStaticProxy, IMaterialProxy, "PortalStaticModel" IMATERIAL_PROXY_INTERFACE_VERSION );
class CPortalStaticPortalProxy : public CPortalStaticProxy
{
public:
virtual void OnBind( void *pBind );
};
void CPortalStaticPortalProxy::OnBind( void *pBind )
{
if ( pBind == NULL )
return;
IClientRenderable *pRenderable = (IClientRenderable*)( pBind );
C_Prop_Portal *pPortal = (C_Prop_Portal *)pRenderable;
float flStaticAmount = ComputeStaticAmount( pPortal );
m_StaticOutput->SetFloatValue( flStaticAmount );
}
EXPOSE_INTERFACE( CPortalStaticPortalProxy, IMaterialProxy, "PortalStatic" IMATERIAL_PROXY_INTERFACE_VERSION );
class CPortalOpenAmountProxy : public CPortalStaticProxy
{
public:
virtual void OnBind( void *pBind );
};
void CPortalOpenAmountProxy::OnBind( void *pBind )
{
if ( pBind == NULL )
return;
IClientRenderable *pRenderable = (IClientRenderable*)( pBind );
C_Prop_Portal *pPortal = (C_Prop_Portal *)pRenderable;
m_StaticOutput->SetFloatValue( pPortal->m_fOpenAmount );
}
EXPOSE_INTERFACE( CPortalOpenAmountProxy, IMaterialProxy, "PortalOpenAmount" IMATERIAL_PROXY_INTERFACE_VERSION );