private fun load_obj_file
	do
		# Read .obj description from assets
		var text_asset = new TextAsset(path)
		var content = text_asset.to_s
		if content.is_empty then
			errors.add new Error("Model failed to load: Asset empty at '{self.path}'")
			leaves_cache.add new LeafModel(new Cube, new Material)
			return
		end

		# Parse .obj description
		var parser = new ObjFileParser(content)
		var obj_def = parser.parse
		if obj_def == null then
			errors.add new Error("Model failed to load: .obj format error on '{self.path}'")
			leaves_cache.add new LeafModel(new Cube, new Material)
			return
		end

		# Check for errors
		if debug_gamnit then assert obj_def.is_coherent

		# Build models
		var converter = new BuildModelFromObj(path, obj_def)
		converter.fill_leaves self
		errors.add_all converter.errors
	end