Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

412 lines
9.0 KiB

//========= Copyright Valve Corporation, All rights reserved. ============//
#include <windows.h>
#include "materialsystem/imaterialproxyfactory.h"
#include "materialsystem/imaterialvar.h"
#include "materialsystem/imaterialproxy.h"
class C_BaseEntity;
// Copied and bastardized a few material proxy classes from the TF client dll. The purpose here is
// to make TF materials for paintable items show the default paint color (using the SelectFirstIfNotZero proxy)
// and to completely hide the burn detail texture (fake BurnLevel proxy).
// Implemented a lame material proxy factory that only knows about these two proxies.
//-----------------------------------------------------------------------------
// Helper class to deal with floating point inputs
//-----------------------------------------------------------------------------
class CFloatInput
{
public:
bool Init( IMaterial *pMaterial, KeyValues *pKeyValues, const char *pKeyName, float flDefault = 0.0f );
float GetFloat() const;
private:
float m_flValue;
IMaterialVar *m_pFloatVar;
int m_FloatVecComp;
};
bool CFloatInput::Init( IMaterial *pMaterial, KeyValues *pKeyValues, const char *pKeyName, float flDefault )
{
m_pFloatVar = NULL;
KeyValues *pSection = pKeyValues->FindKey( pKeyName );
if (pSection)
{
if (pSection->GetDataType() == KeyValues::TYPE_STRING)
{
const char *pVarName = pSection->GetString();
// Look for numbers...
float flValue;
int nCount = sscanf( pVarName, "%f", &flValue );
if (nCount == 1)
{
m_flValue = flValue;
return true;
}
// Look for array specification...
char pTemp[256];
if (strchr(pVarName, '['))
{
// strip off the array...
Q_strncpy( pTemp, pVarName, 256 );
char *pArray = strchr( pTemp, '[' );
*pArray++ = 0;
char* pIEnd;
m_FloatVecComp = strtol( pArray, &pIEnd, 10 );
// Use the version without the array...
pVarName = pTemp;
}
else
{
m_FloatVecComp = -1;
}
bool bFoundVar;
m_pFloatVar = pMaterial->FindVar( pVarName, &bFoundVar, true );
if (!bFoundVar)
return false;
}
else
{
m_flValue = pSection->GetFloat();
}
}
else
{
m_flValue = flDefault;
}
return true;
}
float CFloatInput::GetFloat() const
{
if (!m_pFloatVar)
return m_flValue;
if( m_FloatVecComp < 0 )
return m_pFloatVar->GetFloatValue();
int iVecSize = m_pFloatVar->VectorSize();
if ( m_FloatVecComp >= iVecSize )
return 0;
float v[4];
m_pFloatVar->GetVecValue( v, iVecSize );
return v[m_FloatVecComp];
}
//-----------------------------------------------------------------------------
//
// Result proxy; a result (with vector friendliness)
//
//-----------------------------------------------------------------------------
class CResultProxy : public IMaterialProxy
{
public:
CResultProxy();
virtual ~CResultProxy();
virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
virtual void Release( void ) { delete this; }
virtual IMaterial *GetMaterial();
protected:
C_BaseEntity *BindArgToEntity( void *pArg );
void SetFloatResult( float result );
IMaterialVar* m_pResult;
int m_ResultVecComp;
};
CResultProxy::CResultProxy() : m_pResult(0)
{
}
CResultProxy::~CResultProxy()
{
}
bool CResultProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
{
char const* pResult = pKeyValues->GetString( "resultVar" );
if( !pResult )
return false;
// Look for array specification...
char pTemp[256];
if (strchr(pResult, '['))
{
// strip off the array...
Q_strncpy( pTemp, pResult, 256 );
char *pArray = strchr( pTemp, '[' );
*pArray++ = 0;
char* pIEnd;
m_ResultVecComp = strtol( pArray, &pIEnd, 10 );
// Use the version without the array...
pResult = pTemp;
}
else
{
m_ResultVecComp = -1;
}
bool foundVar;
m_pResult = pMaterial->FindVar( pResult, &foundVar, true );
if( !foundVar )
return false;
return true;
}
//-----------------------------------------------------------------------------
// A little code to allow us to set single components of vectors
//-----------------------------------------------------------------------------
void CResultProxy::SetFloatResult( float result )
{
if (m_pResult->GetType() == MATERIAL_VAR_TYPE_VECTOR)
{
if ( m_ResultVecComp >= 0 )
{
m_pResult->SetVecComponentValue( result, m_ResultVecComp );
}
else
{
float v[4];
int vecSize = m_pResult->VectorSize();
for (int i = 0; i < vecSize; ++i)
v[i] = result;
m_pResult->SetVecValue( v, vecSize );
}
}
else
{
m_pResult->SetFloatValue( result );
}
}
C_BaseEntity *CResultProxy::BindArgToEntity( void *pArg )
{
return NULL;
/*
IClientRenderable *pRend = (IClientRenderable *)pArg;
return pRend->GetIClientUnknown()->GetBaseEntity();
*/
}
IMaterial *CResultProxy::GetMaterial()
{
return m_pResult->GetOwningMaterial();
}
//-----------------------------------------------------------------------------
//
// Base functional proxy; two sources (one is optional) and a result
//
//-----------------------------------------------------------------------------
class CFunctionProxy : public CResultProxy
{
public:
CFunctionProxy();
virtual ~CFunctionProxy();
virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
protected:
void ComputeResultType( MaterialVarType_t& resultType, int& vecSize );
IMaterialVar* m_pSrc1;
IMaterialVar* m_pSrc2;
};
CFunctionProxy::CFunctionProxy() : m_pSrc1(0), m_pSrc2(0)
{
}
CFunctionProxy::~CFunctionProxy()
{
}
bool CFunctionProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
{
if (!CResultProxy::Init( pMaterial, pKeyValues ))
return false;
char const* pSrcVar1 = pKeyValues->GetString( "srcVar1" );
if( !pSrcVar1 )
return false;
bool foundVar;
m_pSrc1 = pMaterial->FindVar( pSrcVar1, &foundVar, true );
if( !foundVar )
return false;
// Source 2 is optional, some math ops may be single-input
char const* pSrcVar2 = pKeyValues->GetString( "srcVar2" );
if( pSrcVar2 && (*pSrcVar2) )
{
m_pSrc2 = pMaterial->FindVar( pSrcVar2, &foundVar, true );
if( !foundVar )
return false;
}
else
{
m_pSrc2 = 0;
}
return true;
}
void CFunctionProxy::ComputeResultType( MaterialVarType_t& resultType, int& vecSize )
{
// Feh, this is ugly. Basically, don't change the result type
// unless it's undefined.
resultType = m_pResult->GetType();
if (resultType == MATERIAL_VAR_TYPE_VECTOR)
{
if (m_ResultVecComp >= 0)
resultType = MATERIAL_VAR_TYPE_FLOAT;
vecSize = m_pResult->VectorSize();
}
else if (resultType == MATERIAL_VAR_TYPE_UNDEFINED)
{
resultType = m_pSrc1->GetType();
if (resultType == MATERIAL_VAR_TYPE_VECTOR)
{
vecSize = m_pSrc1->VectorSize();
}
else if ((resultType == MATERIAL_VAR_TYPE_UNDEFINED) && m_pSrc2)
{
resultType = m_pSrc2->GetType();
if (resultType == MATERIAL_VAR_TYPE_VECTOR)
{
vecSize = m_pSrc2->VectorSize();
}
}
}
}
class CFakeBurnLevelProxy : public CResultProxy
{
public:
virtual void OnBind( void *pC_BaseEntity )
{
// Slam burn level to 0 to avoid the burn detail texture showing through in modelbrowser.
Assert( m_pResult );
if ( m_pResult )
{
m_pResult->SetFloatValue( 0.0f );
}
}
};
//-----------------------------------------------------------------------------
// Selects the first var value if it's non-zero, otherwise goes with the second
//-----------------------------------------------------------------------------
class CSelectFirstIfNonZeroProxy : public CFunctionProxy
{
public:
virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
virtual void OnBind( void *pC_BaseEntity );
};
bool CSelectFirstIfNonZeroProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
{
// Requires 2 args..
bool ok = CFunctionProxy::Init( pMaterial, pKeyValues );
ok = ok && m_pSrc2;
return ok;
}
void CSelectFirstIfNonZeroProxy::OnBind( void *pC_BaseEntity )
{
Assert( m_pSrc1 && m_pSrc2 && m_pResult );
MaterialVarType_t resultType;
int vecSize;
ComputeResultType( resultType, vecSize );
switch( resultType )
{
case MATERIAL_VAR_TYPE_VECTOR:
{
Vector a, b;
m_pSrc1->GetVecValue( a.Base(), vecSize );
m_pSrc2->GetVecValue( b.Base(), vecSize );
if ( !a.IsZero() )
{
m_pResult->SetVecValue( a.Base(), vecSize );
}
else
{
m_pResult->SetVecValue( b.Base(), vecSize );
}
}
break;
case MATERIAL_VAR_TYPE_FLOAT:
if ( m_pSrc1->GetFloatValue() )
{
SetFloatResult( m_pSrc1->GetFloatValue() );
}
else
{
SetFloatResult( m_pSrc2->GetFloatValue() );
}
break;
case MATERIAL_VAR_TYPE_INT:
if ( m_pSrc1->GetIntValue() )
{
m_pResult->SetFloatValue( m_pSrc1->GetIntValue() );
}
else
{
m_pResult->SetFloatValue( m_pSrc2->GetIntValue() );
}
break;
}
}
class CModelBrowserMaterialProxyFactory : public IMaterialProxyFactory
{
public:
virtual IMaterialProxy *CreateProxy( const char *proxyName )
{
if ( V_stricmp( proxyName, "SelectFirstIfNonZero" ) == 0 )
{
return new CSelectFirstIfNonZeroProxy;
}
else if ( V_stricmp( proxyName, "BurnLevel" ) == 0 )
{
return new CFakeBurnLevelProxy;
}
return NULL;
}
virtual void DeleteProxy( IMaterialProxy *pProxy )
{
if ( pProxy )
{
pProxy->Release();
}
}
};