void setMaterialIdentifierMapChannel( const COLLADAFW::ColorOrTexture& colorOrTexture,
const COLLADAFW::TextureCoordinateBindingArray& texCoordBindings,
const DocumentImporter::SetMapChannelMap& setMapChannelMap,
MaterialCreator::MaterialIdentifier::SlotFlags slot,
unsigned char& slotFlags,
unsigned char& mapChannel)
{
if ( !colorOrTexture.isTexture() )
{
mapChannel = 0;
return;
}
slotFlags |= slot;
const COLLADAFW::Texture& texture = colorOrTexture.getTexture();
COLLADAFW::TextureMapId mapId = texture.getTextureMapId();
// find the map id in the list of bind texture coordinates
size_t texCoordBindingsCount = texCoordBindings.getCount();
size_t setIndex;
bool found = false;
for ( size_t i = 0; i < texCoordBindingsCount; ++i)
{
const COLLADAFW::TextureCoordinateBinding& texCoordBinding = texCoordBindings[i];
if ( texCoordBinding.getTextureMapId () == mapId )
{
setIndex = texCoordBinding.getSetIndex ();
found = true;
break;
}
}
if ( !found || setMapChannelMap.empty() )
{
// if we could not resolve we need to guess and chose 1.*/
mapChannel = 1;
}
else
{
DocumentImporter::SetMapChannelMap::const_iterator it = setMapChannelMap.find( setIndex );
if ( it == setMapChannelMap.end() )
{
// could not find a map channel, take the first
mapChannel = setMapChannelMap.begin()->second;
}
else
{
mapChannel = (unsigned char) it->second;
}
}
}
//------------------------------
bool LibraryEffectsLoader::handleTexture( const texture__AttributeData& attributeData )
{
bool success = true;
switch ( mCurrentProfile )
{
case PROFILE_COMMON:
{
// Get the current color or texture element.
COLLADAFW::ColorOrTexture* colorOrTexture = getCurrentColorOrTexture ( true );
// Check if the texture is referenced.
String textureSid = (const char *)attributeData.texture;
SidSamplerInfoMap::const_iterator it = mEffectProfileSidSamplerInfoMap.find(textureSid);
if ( it == mEffectProfileSidSamplerInfoMap.end() )
{
it = mEffectSidSamplerInfoMap.find((const char*)attributeData.texture);
if ( it == mEffectSidSamplerInfoMap.end() )
{
String msg("Texture with sid \"" + textureSid + "\" not found");
if ( mCurrentEffect )
{
msg += " in effect with id \"" + mCurrentEffect->getOriginalId() + "\"";
}
msg += ".";
success = handleFWLError ( SaxFWLError::ERROR_UNRESOLVED_REFERENCE, msg );
break;
}
}
// Push the texture sid of the current sampler in the list of used samplers
// of the current effect profile.
size_t samplerIndex = 0;
StringIndexMap::const_iterator samplerIt = mEffectProfileSamplersMap.find(textureSid);
if ( samplerIt == mEffectProfileSamplersMap.end() )
{
// This sid has not been used before. Add to map with next index
samplerIndex = mNextSamplerIndex;
mEffectProfileSamplersMap.insert(std::make_pair(textureSid, mNextSamplerIndex++));
}
else
{
// This sid is already in the map. Use its index
samplerIndex = samplerIt->second;
}
// Initialize the texture element.
/* const SamplerInfo& samplerInfo = it->second; */ /* UNUSED */
colorOrTexture->setType(COLLADAFW::ColorOrTexture::TEXTURE);
COLLADAFW::Texture& texture = colorOrTexture->getTexture();
texture.setUniqueId ( createUniqueId(COLLADAFW::Texture::ID()) );
texture.setSamplerId( samplerIndex );
if ( attributeData.texcoord )
{
texture.setTextureMapId( getTextureMapIdBySematic( attributeData.texcoord) );
texture.setTexcoord(attributeData.texcoord);
}
break;
}
/*
PROFILE_BRIDGE,
PROFILE_CG,
PROFILE_GLES,
PROFILE_GLES2,
PROFILE_GLSL,
PROFILE_COMMON,
PROFILE_NONE
*/
default:
break;
}
return success;
}