def parse_chunk_triangles(self, chunk):
parser = BinaryReader(chunk)
ghost_vertices = []
num_ghost_vertices = parser.read_unsigned_int32()
for i in range(num_ghost_vertices):
ghost_vertex = parser.read_vec3_float32()
ghost_vertices.append(ghost_vertex)
smoothed_normals = []
num_smoothed_normals = parser.read_unsigned_int32()
for i in range(num_smoothed_normals):
smoothed_normal = parser.read_vec3_float32()
smoothed_normals.append(smoothed_normal)
num_faces = parser.read_unsigned_int32()
num_triangles = parser.read_unsigned_int32()
triangles = {"total": num_triangles, "faces": []}
for i in range(num_faces):
triangles["faces"].append([])
num_face_triangles = parser.read_unsigned_int32()
for j in range(num_face_triangles):
vertex_index1 = parser.read_unsigned_int32()
vertex_index2 = parser.read_unsigned_int32()
vertex_index3 = parser.read_unsigned_int32()
smoothed_normal_index1 = parser.read_unsigned_int32()
smoothed_normal_index2 = parser.read_unsigned_int32()
smoothed_normal_index3 = parser.read_unsigned_int32()
triangles["faces"][i].append({
"vi_1": vertex_index1,
"vi_2": vertex_index2,
"vi_3": vertex_index3,
"sni_1": smoothed_normal_index1,
"sni_2": smoothed_normal_index2,
"sni_3": smoothed_normal_index3
})
return (ghost_vertices, smoothed_normals, triangles)
def parse_chunk_vertices(self, chunk):
parser = BinaryReader(chunk)
vertices = []
num_vertices = parser.read_unsigned_int32()
for i in range(num_vertices):
vec3 = parser.read_vec3_float32()
has_smoothing = bool(parser.read_unsigned_char8())
vertices.append({
"x": vec3[0],
"y": vec3[1],
"z": vec3[2],
"has_smoothing": has_smoothing
})
return vertices
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