void ColladaSerializer::ColladaExporter::ColladaMaterials::write() {
effects.close();
for (std::vector<IfcGeom::Material>::const_iterator it = materials.begin(); it != materials.end(); ++it) {
const std::string& material_name = collada_id((*it).name());
openMaterial(material_name);
addInstanceEffect("#" + material_name + "-fx");
closeMaterial();
}
closeLibrary();
}
void MaterialsExporter::operator()(Material *ma, Object *ob)
{
std::string name(id_name(ma));
openMaterial(get_material_id(ma), translate_id(name));
std::string efid = translate_id(name) + "-effect";
addInstanceEffect(COLLADASW::URI(COLLADABU::Utils::EMPTY_STRING, efid));
closeMaterial();
}
void MaterialExporter::doExport()
{
vgLogDebug("Exporting materials");
openLibrary();
if( m_exportSettings.getLevel() > GEOMETRY )
{
typedef collectedMapType::right_map::const_iterator right_const_iterator;
for( right_const_iterator right_iter = m_collectedMap.right.begin(), iend = m_collectedMap.right.end();
right_iter != iend; ++right_iter )
{
vgd::Shp< vge::technique::CollectedMaterial > collectedMaterial = right_iter->first;
if( collectedMaterial->getMaterial() )
{
std::string effectName = collectedMaterial->getEffectId();
std::string materialName = effectName + MATERIAL_ID_SUFFIX;
collectedMaterial->setMaterialId( materialName );
openMaterial ( materialName, COLLADABU::Utils::checkNCName(materialName) );
addInstanceEffect ( "#" + effectName );
closeMaterial ();
}
}
}
else
{
std::string effectName = "DefaultWhole";
std::string materialName = effectName + MATERIAL_ID_SUFFIX;
openMaterial ( materialName, COLLADABU::Utils::checkNCName(materialName) );
addInstanceEffect ( "#" + effectName );
closeMaterial ();
}
closeLibrary();
}
void MaterialExporter::add()
{
char tempStr[1024];
openLibrary();
for (int i = 0; i < m_bsp->numShaders; ++i)
{
sprintf(tempStr, "material%d", i);
std::string matId = tempStr;
sprintf(tempStr, "material%d-fx", i);
std::string fxId = tempStr;
openMaterial(matId, matId);
addInstanceEffect(COLLADASW::URI(EMPTY_STRING, fxId));
closeMaterial();
}
closeLibrary();
}
void MaterialsExporter::exportMaterials(Scene *sce)
{
if (this->export_settings->export_texture_type == BC_TEXTURE_TYPE_MAT)
{
if (hasMaterials(sce)) {
openLibrary();
MaterialFunctor mf;
mf.forEachMaterialInExportSet<MaterialsExporter>(sce, *this, this->export_settings->export_set);
closeLibrary();
}
}
else {
std::set<Image *> uv_images = bc_getUVImages(sce, !this->export_settings->active_uv_only);
if (uv_images.size() > 0) {
openLibrary();
std::set<Image *>::iterator uv_images_iter;
for (uv_images_iter = uv_images.begin();
uv_images_iter != uv_images.end();
uv_images_iter++) {
Image *ima = *uv_images_iter;
std::string matid(id_name(ima));
openMaterial(get_material_id_from_id(matid), translate_id(matid));
std::string efid = translate_id(matid) + "-effect";
addInstanceEffect(COLLADASW::URI(COLLADABU::Utils::EMPTY_STRING, efid));
closeMaterial();
}
closeLibrary();
}
}
}
//--------------------------------
void MaterialExporter::exportMaterial ( MObject shadingEngine )
{
// Get the shader object.
MObject shader = DagHelper::getSourceNodeConnectedTo ( shadingEngine, ATTR_SURFACE_SHADER );
// Find the actual shader node, since this function received shading sets as input
MStatus status;
MFnDependencyNode shaderNode ( shader, &status );
if ( status != MStatus::kSuccess ) return;
// Get the name of the current material (this is the maya material id)
String mayaMaterialId = DocumentExporter::mayaNameToColladaName ( shaderNode.name(), true );
// Have we seen this shader before, is it already exported?
MaterialMap::iterator materialMapIter;
materialMapIter = mMaterialMap.find ( mayaMaterialId );
if ( materialMapIter != mMaterialMap.end() ) return;
// This is a new shading engine
mMaterialMap [mayaMaterialId] = shader;
// Generate a COLLADA id for the new object
String colladaMaterialId;
// Check if there is an extra attribute "colladaId" and use this as export id.
MString attributeValue;
DagHelper::getPlugValue ( shader, COLLADA_MATERIAL_ID_ATTRIBUTE_NAME, attributeValue );
if ( attributeValue != EMPTY_CSTRING )
{
// Generate a valid collada name, if necessary.
colladaMaterialId = DocumentExporter::mayaNameToColladaName ( attributeValue, false );
}
else
{
// Generate a COLLADA id for the new object
colladaMaterialId = DocumentExporter::mayaNameToColladaName ( shaderNode.name(), true );
}
// Make the id unique and store it.
colladaMaterialId = mMaterialIdList.addId ( colladaMaterialId );
mMayaIdColladaMaterialIdMap [mayaMaterialId] = colladaMaterialId;
// MFnDependencyNode shadingEngineNode ( shadingEngine, &status );
// if ( status != MStatus::kSuccess ) return;
// String shadingEngineNodeName = shadingEngineNode.name ().asChar (); // initialParticleSE
// String shaderNodeName = shaderNode.name ().asChar (); // lambert1
// Check if the material should be written
if ( mWriteMaterials )
{
// Have we exported this shader already?
std::vector<String>::iterator exportedMaterialsIter;
exportedMaterialsIter = find ( mExportedMaterials.begin(), mExportedMaterials.end(), colladaMaterialId );
if ( exportedMaterialsIter == mExportedMaterials.end() )
{
// Open a tag for the current material in the collada document
openMaterial ( colladaMaterialId, mayaMaterialId );
// Export the reference to the effect and the hardware shader components.
exportEffectInstance ( mayaMaterialId, colladaMaterialId, shader );
// // TODO Export the user defined material extra data from import (extra preservation).
// mDocumentExporter->exportExtraData ( shader, COLLADAFW::ExtraKeys::MATERIAL );
// Closes the current effect tag
closeMaterial();
// Push the id of the exported material into the list for the exported materials
mExportedMaterials.push_back ( colladaMaterialId );
}
}
}