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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 "materialsystem/itexture.h"
#include "toolframework_client.h"
#include "portalrenderable_flatbasic.h"
#include <KeyValues.h>
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
class CPortalPickAlphaMaskProxy : public IMaterialProxy
{
private:
IMaterialVar *m_AlphaMaskTextureOutput;
IMaterialVar *m_AlphaMaskTextureFrame;
ITexture *m_pOpeningTexture;
ITexture *m_pIdleTexture;
public:
CPortalPickAlphaMaskProxy( void );
~CPortalPickAlphaMaskProxy( void );
virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
virtual void OnBind( void *pBind );
virtual void Release( void ) { delete this; }
virtual IMaterial * GetMaterial()
{
if ( m_AlphaMaskTextureOutput )
return m_AlphaMaskTextureOutput->GetOwningMaterial();
if ( m_AlphaMaskTextureFrame )
return m_AlphaMaskTextureFrame->GetOwningMaterial();
return NULL;
}
};
CPortalPickAlphaMaskProxy::CPortalPickAlphaMaskProxy( void )
: m_pOpeningTexture( NULL ), m_pIdleTexture( NULL )
{
}
CPortalPickAlphaMaskProxy::~CPortalPickAlphaMaskProxy( void )
{
if( m_pOpeningTexture )
{
m_pOpeningTexture->DecrementReferenceCount();
m_pOpeningTexture = NULL;
}
if( m_pIdleTexture )
{
m_pIdleTexture->DecrementReferenceCount();
m_pIdleTexture = NULL;
}
}
bool CPortalPickAlphaMaskProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
{
char const* pszResultVar = pKeyValues->GetString( "maskTextureVar" );
if( !pszResultVar )
return false;
char const* pszFrameVar = pKeyValues->GetString( "maskFrameVar" );
if( !pszFrameVar )
return false;
char const* pszOpeningTextureInput = pKeyValues->GetString( "openingTexture" );
if( !pszOpeningTextureInput )
return false;
char const* pszIdleTextureInput = pKeyValues->GetString( "idleTexture" );
if( !pszIdleTextureInput )
return false;
bool foundVar;
m_AlphaMaskTextureOutput = pMaterial->FindVar( pszResultVar, &foundVar, false );
if( !foundVar )
return false;
m_AlphaMaskTextureFrame = pMaterial->FindVar( pszFrameVar, &foundVar, false );
if( !foundVar )
return false;
m_pOpeningTexture = materials->FindTexture( pszOpeningTextureInput, TEXTURE_GROUP_CLIENT_EFFECTS );
m_pOpeningTexture->IncrementReferenceCount();
m_pIdleTexture = materials->FindTexture( pszIdleTextureInput, TEXTURE_GROUP_CLIENT_EFFECTS );
m_pIdleTexture->IncrementReferenceCount();
return true;
}
void CPortalPickAlphaMaskProxy::OnBind( void *pBind )
{
if( pBind == NULL )
return;
IClientRenderable *pRenderable = (IClientRenderable*)( pBind );
CPortalRenderable_FlatBasic *pFlatBasic = dynamic_cast<CPortalRenderable_FlatBasic*>( pRenderable );
if ( !pFlatBasic )
return;
if( pFlatBasic->m_fOpenAmount == 1.0f )
{
m_AlphaMaskTextureOutput->SetTextureValue( m_pIdleTexture );
}
else
{
m_AlphaMaskTextureOutput->SetTextureValue( m_pOpeningTexture );
m_AlphaMaskTextureFrame->SetIntValue( pFlatBasic->m_fOpenAmount * m_pOpeningTexture->GetNumAnimationFrames() );
}
if ( ToolsEnabled() )
{
ToolFramework_RecordMaterialParams( GetMaterial() );
}
}
EXPOSE_INTERFACE( CPortalPickAlphaMaskProxy, IMaterialProxy, "PortalPickAlphaMask" IMATERIAL_PROXY_INTERFACE_VERSION );
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