int GetMaterialShaderPropertyInt( MaterialSystemMaterial_t materialHandle, int propID )
{
IMaterial *material = ( IMaterial * )materialHandle;
switch( propID )
{
case UTILMATLIB_OPACITY:
if (material->IsTranslucent())
return UTILMATLIB_TRANSLUCENT;
if (material->IsAlphaTested())
return UTILMATLIB_ALPHATEST;
return UTILMATLIB_OPAQUE;
default:
Assert( 0 );
return 0;
}
}
IMaterial* CStudioRender::R_StudioSetupSkinAndLighting( IMatRenderContext *pRenderContext, int index, IMaterial **ppMaterials, int materialFlags,
void /*IClientRenderable*/ *pClientRenderable, ColorMeshInfo_t *pColorMeshes, StudioModelLighting_t &lighting )
{
VPROF( "R_StudioSetupSkin" );
IMaterial *pMaterial = NULL;
bool bCheckForConVarDrawTranslucentSubModels = false;
if( m_pRC->m_Config.bWireframe && !m_pRC->m_pForcedMaterial )
{
if ( m_pRC->m_Config.bDrawZBufferedWireframe )
pMaterial = m_pMaterialMRMWireframeZBuffer;
else
pMaterial = m_pMaterialMRMWireframe;
}
else if( m_pRC->m_Config.bShowEnvCubemapOnly )
{
pMaterial = m_pMaterialModelEnvCubemap;
}
else
{
if ( !m_pRC->m_pForcedMaterial && ( m_pRC->m_nForcedMaterialType != OVERRIDE_DEPTH_WRITE ) )
{
pMaterial = ppMaterials[index];
if ( !pMaterial )
{
Assert( 0 );
return 0;
}
}
else
{
materialFlags = 0;
pMaterial = m_pRC->m_pForcedMaterial;
if (m_pRC->m_nForcedMaterialType == OVERRIDE_BUILD_SHADOWS)
{
// Connect the original material up to the shadow building material
// Also bind the original material so its proxies are in the correct state
static unsigned int translucentCache = 0;
IMaterialVar* pOriginalMaterialVar = pMaterial->FindVarFast( "$translucent_material", &translucentCache );
Assert( pOriginalMaterialVar );
IMaterial *pOriginalMaterial = ppMaterials[index];
if ( pOriginalMaterial )
{
// Disable any alpha modulation on the original material that was left over from when it was last rendered
pOriginalMaterial->AlphaModulate( 1.0f );
pRenderContext->Bind( pOriginalMaterial, pClientRenderable );
if ( pOriginalMaterial->IsTranslucent() || pOriginalMaterial->IsAlphaTested() )
{
pOriginalMaterialVar->SetMaterialValue( pOriginalMaterial );
}
else
{
pOriginalMaterialVar->SetMaterialValue( NULL );
}
}
else
{
pOriginalMaterialVar->SetMaterialValue( NULL );
}
}
else if( m_pRC->m_nForcedMaterialType == OVERRIDE_DEPTH_WRITE )
{
// Disable any alpha modulation on the original material that was left over from when it was last rendered
ppMaterials[index]->AlphaModulate( 1.0f );
// Bail if the material is still considered translucent after setting the AlphaModulate to 1.0
if ( ppMaterials[index]->IsTranslucent() )
{
return NULL;
}
static unsigned int originalTextureVarCache = 0;
IMaterialVar *pOriginalTextureVar = ppMaterials[index]->FindVarFast( "$basetexture", &originalTextureVarCache );
// Select proper override material
int nAlphaTest = (int) ( ppMaterials[index]->IsAlphaTested() && pOriginalTextureVar->IsTexture() ); // alpha tested base texture
int nNoCull = (int) ppMaterials[index]->IsTwoSided();
pMaterial = m_pDepthWrite[nAlphaTest][nNoCull];
// If we're alpha tested, we should set up the texture variables from the original material
if ( nAlphaTest != 0 )
{
static unsigned int originalTextureFrameVarCache = 0;
IMaterialVar *pOriginalTextureFrameVar = ppMaterials[index]->FindVarFast( "$frame", &originalTextureFrameVarCache );
static unsigned int originalAlphaRefCache = 0;
IMaterialVar *pOriginalAlphaRefVar = ppMaterials[index]->FindVarFast( "$AlphaTestReference", &originalAlphaRefCache );
static unsigned int textureVarCache = 0;
IMaterialVar *pTextureVar = pMaterial->FindVarFast( "$basetexture", &textureVarCache );
static unsigned int textureFrameVarCache = 0;
IMaterialVar *pTextureFrameVar = pMaterial->FindVarFast( "$frame", &textureFrameVarCache );
static unsigned int alphaRefCache = 0;
IMaterialVar *pAlphaRefVar = pMaterial->FindVarFast( "$AlphaTestReference", &alphaRefCache );
if ( pOriginalTextureVar->IsTexture() ) // If $basetexture is defined
{
if( pTextureVar && pOriginalTextureVar )
{
pTextureVar->SetTextureValue( pOriginalTextureVar->GetTextureValue() );
}
if( pTextureFrameVar && pOriginalTextureFrameVar )
{
pTextureFrameVar->SetIntValue( pOriginalTextureFrameVar->GetIntValue() );
}
if( pAlphaRefVar && pOriginalAlphaRefVar )
{
pAlphaRefVar->SetFloatValue( pOriginalAlphaRefVar->GetFloatValue() );
}
}
}
}
}
// Set this bool to check after the bind below
bCheckForConVarDrawTranslucentSubModels = true;
if ( m_pRC->m_nForcedMaterialType != OVERRIDE_DEPTH_WRITE )
{
// Try to set the alpha based on the blend
pMaterial->AlphaModulate( m_pRC->m_AlphaMod );
// Try to set the color based on the colormod
pMaterial->ColorModulate( m_pRC->m_ColorMod[0], m_pRC->m_ColorMod[1], m_pRC->m_ColorMod[2] );
}
}
lighting = R_StudioComputeLighting( pMaterial, materialFlags, pColorMeshes );
if ( lighting == LIGHTING_MOUTH )
{
if ( !m_pRC->m_Config.bTeeth || !R_TeethAreVisible() )
return NULL;
// skin it and light it, but only if we need to.
if ( m_pRC->m_Config.m_bSupportsVertexAndPixelShaders )
{
R_MouthSetupVertexShader( pMaterial );
}
}
pRenderContext->Bind( pMaterial, pClientRenderable );
if ( bCheckForConVarDrawTranslucentSubModels )
{
bool translucent = pMaterial->IsTranslucent();
if (( m_bDrawTranslucentSubModels && !translucent ) ||
( !m_bDrawTranslucentSubModels && translucent ))
{
m_bSkippedMeshes = true;
return NULL;
}
}
return pMaterial;
}