def parse_chunk_mappinggroups(self, chunk):
parser = BinaryReader(chunk)
mappinggroups = {}
num_mappinggroups = parser.read_unsigned_int32()
for i in range(num_mappinggroups):
mgid = parser.read_unsigned_int32()
angle = parser.read_float32()
scale = parser.read_vec2_float32()
offset = parser.read_vec2_float32()
normal = parser.read_vec3_float32()
mappinggroups[mgid] = {
"angle": angle,
"scale": scale,
"offset": offset,
"normal": normal
}
return mappinggroups
def parse_chunk_faces(self, chunk):
parser = BinaryReader(chunk)
faces = []
num_faces = parser.read_unsigned_int32()
for i in range(num_faces):
face = {}
face["angle"] = parser.read_float32()
face["offset"] = parser.read_vec2_float32()
face["scale"] = parser.read_vec2_float32()
face["mapping_group_id"] = parser.read_unsigned_int32()
face["materialid"] = parser.read_unsigned_int32()
face["edgeloops"] = []
num_additional_edgeloops = parser.read_unsigned_int32()
# border edge loop is always the first edge loop
face["border_edgeloop"] = self.parse_edgeloop(parser)
for j in range(num_additional_edgeloops):
edgeloop = self.parse_edgeloop(parser)
face["edgeloops"].append(edgeloop)
faces.append(face)
return faces