Method GetModel

neo/renderer/ModelManager.cpp:255–347

================= idRenderModelManagerLocal::GetModel ================= */

=================
*/
idRenderModel *idRenderModelManagerLocal::GetModel( const char *modelName, bool createIfNotFound ) {
	idStr		canonical;
	idStr		extension;

	if ( !modelName || !modelName[0] ) {
		return NULL;
	}

	canonical = modelName;
	canonical.ToLower();

	// see if it is already present
	int key = hash.GenerateKey( modelName, false );
	for ( int i = hash.First( key ); i != -1; i = hash.Next( i ) ) {
		idRenderModel *model = models[i];

		if ( canonical.Icmp( model->Name() ) == 0 ) {
			if ( !model->IsLoaded() ) {
				// reload it if it was purged
				model->LoadModel();
			} else if ( insideLevelLoad && !model->IsLevelLoadReferenced() ) {
				// we are reusing a model already in memory, but
				// touch all the materials to make sure they stay
				// in memory as well
				model->TouchData();
			}
			model->SetLevelLoadReferenced( true );
			return model;
		}
	}

	// see if we can load it

	// determine which subclass of idRenderModel to initialize

	idRenderModel	*model;

	canonical.ExtractFileExtension( extension );

	if ( ( extension.Icmp( "ase" ) == 0 ) || ( extension.Icmp( "lwo" ) == 0 ) || ( extension.Icmp( "flt" ) == 0 ) ) {
		model = new idRenderModelStatic;
		model->InitFromFile( modelName );
	} else if ( extension.Icmp( "ma" ) == 0 ) {
		model = new idRenderModelStatic;
		model->InitFromFile( modelName );
	} else if ( extension.Icmp( MD5_MESH_EXT ) == 0 ) {
		model = new idRenderModelMD5;
		model->InitFromFile( modelName );
	} else if ( extension.Icmp( "md3" ) == 0 ) {
		model = new idRenderModelMD3;
		model->InitFromFile( modelName );
		// DG: no idea why this needs special treatment, but otherwise
		//     idRenderModelMD3::InstantiateDynamicModel() is called all the time
		if ( model->IsDefaultModel() ) {
			delete model;
			return NULL;
		}
	} else if ( extension.Icmp( "prt" ) == 0  ) {