2020-10-30 20:59:54 +00:00
|
|
|
""" Contains functions for extracting a scene from a .msh file"""
|
2020-10-20 18:28:53 +00:00
|
|
|
|
|
|
|
from itertools import islice
|
|
|
|
from typing import Dict
|
|
|
|
from .msh_scene import Scene
|
|
|
|
from .msh_model import *
|
|
|
|
from .msh_material import *
|
|
|
|
from .msh_reader import Reader
|
|
|
|
from .msh_utilities import *
|
|
|
|
|
|
|
|
from .crc import *
|
|
|
|
|
|
|
|
def read_scene(input_file) -> Scene:
|
|
|
|
|
|
|
|
scene = Scene()
|
|
|
|
scene.models = []
|
2020-10-30 20:59:54 +00:00
|
|
|
scene.materials = {}
|
2020-10-20 18:28:53 +00:00
|
|
|
|
2020-11-01 16:48:07 +00:00
|
|
|
with Reader(file=input_file) as hedr:
|
2020-10-20 18:28:53 +00:00
|
|
|
|
2020-10-30 20:59:54 +00:00
|
|
|
while hedr.could_have_child():
|
|
|
|
|
|
|
|
next_header = hedr.peak_next_header()
|
|
|
|
|
|
|
|
if "MSH2" in next_header:
|
2020-10-20 18:28:53 +00:00
|
|
|
|
2020-11-01 16:48:07 +00:00
|
|
|
with hedr.read_child() as msh2:
|
2020-10-20 18:28:53 +00:00
|
|
|
|
2020-10-30 20:59:54 +00:00
|
|
|
materials_list = []
|
2020-10-20 18:28:53 +00:00
|
|
|
|
2020-10-30 20:59:54 +00:00
|
|
|
while (msh2.could_have_child()):
|
2020-10-20 18:28:53 +00:00
|
|
|
|
2020-10-30 20:59:54 +00:00
|
|
|
next_header = msh2.peak_next_header()
|
2020-10-20 18:28:53 +00:00
|
|
|
|
2020-10-30 20:59:54 +00:00
|
|
|
if "SINF" in next_header:
|
2020-11-01 16:48:07 +00:00
|
|
|
with msh2.read_child() as sinf:
|
2020-10-30 20:59:54 +00:00
|
|
|
pass
|
2020-10-20 18:28:53 +00:00
|
|
|
|
2020-10-30 20:59:54 +00:00
|
|
|
elif "MATL" in next_header:
|
2020-11-01 16:48:07 +00:00
|
|
|
with msh2.read_child() as matl:
|
2020-10-30 20:59:54 +00:00
|
|
|
materials_list += _read_matl_and_get_materials_list(matl)
|
|
|
|
for i,mat in enumerate(materials_list):
|
|
|
|
scene.materials[mat.name] = mat
|
2020-10-20 18:28:53 +00:00
|
|
|
|
2020-10-30 20:59:54 +00:00
|
|
|
elif "MODL" in next_header:
|
|
|
|
while ("MODL" in msh2.peak_next_header()):
|
2020-11-01 16:48:07 +00:00
|
|
|
with msh2.read_child() as modl:
|
2020-10-30 20:59:54 +00:00
|
|
|
scene.models.append(_read_modl(modl, materials_list))
|
2020-10-20 18:28:53 +00:00
|
|
|
|
2020-10-30 20:59:54 +00:00
|
|
|
else:
|
2020-11-01 16:48:07 +00:00
|
|
|
with hedr.read_child() as unknown:
|
2020-10-30 20:59:54 +00:00
|
|
|
pass
|
2020-10-20 18:28:53 +00:00
|
|
|
|
2020-11-01 16:48:07 +00:00
|
|
|
elif "SKL2" in next_header:
|
|
|
|
with hedr.read_child() as skl2:
|
|
|
|
num_bones = skl2.read_u32()
|
|
|
|
scene.skeleton = [skl2.read_u32(5)[0] for i in range(num_bones)]
|
|
|
|
print("Skeleton models: ")
|
|
|
|
for crc_hash in scene.skeleton:
|
|
|
|
for model in scene.models:
|
|
|
|
if crc_hash == crc(model.name):
|
|
|
|
print("\t" + model.name + " with type: " + str(model.model_type))
|
|
|
|
|
|
|
|
|
2020-10-30 20:59:54 +00:00
|
|
|
else:
|
2020-11-01 16:48:07 +00:00
|
|
|
with hedr.read_child() as unknown:
|
2020-10-30 20:59:54 +00:00
|
|
|
pass
|
2020-10-20 18:28:53 +00:00
|
|
|
|
|
|
|
return scene
|
|
|
|
|
|
|
|
|
2020-10-30 20:59:54 +00:00
|
|
|
def _read_matl_and_get_materials_list(matl: Reader) -> List[Material]:
|
|
|
|
materials_list: List[Material] = []
|
2020-10-20 18:28:53 +00:00
|
|
|
|
|
|
|
num_mats = matl.read_u32()
|
|
|
|
|
|
|
|
for _ in range(num_mats):
|
2020-11-01 16:48:07 +00:00
|
|
|
with matl.read_child() as matd:
|
2020-10-20 18:28:53 +00:00
|
|
|
materials_list.append(_read_matd(matd))
|
|
|
|
|
|
|
|
return materials_list
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def _read_matd(matd: Reader) -> Material:
|
|
|
|
|
|
|
|
mat = Material()
|
|
|
|
|
|
|
|
while matd.could_have_child():
|
|
|
|
|
|
|
|
next_header = matd.peak_next_header()
|
|
|
|
|
|
|
|
if "NAME" in next_header:
|
2020-11-01 16:48:07 +00:00
|
|
|
with matd.read_child() as name:
|
2020-10-20 18:28:53 +00:00
|
|
|
mat.name = name.read_string()
|
|
|
|
|
|
|
|
elif "DATA" in next_header:
|
2020-11-01 16:48:07 +00:00
|
|
|
with matd.read_child() as data:
|
2020-10-20 18:28:53 +00:00
|
|
|
data.read_f32(4) # Diffuse Color (Seams to get ignored by modelmunge)
|
|
|
|
mat.specular_color = data.read_f32(4)
|
|
|
|
data.read_f32(4) # Ambient Color (Seams to get ignored by modelmunge and Zero(?))
|
|
|
|
data.read_f32() # Specular Exponent/Decay (Gets ignored by RedEngine in SWBFII for all known materials)
|
|
|
|
|
|
|
|
elif "ATRB" in next_header:
|
2020-11-01 16:48:07 +00:00
|
|
|
with matd.read_child() as atrb:
|
2020-10-20 18:28:53 +00:00
|
|
|
mat.flags = atrb.read_u8()
|
|
|
|
mat.rendertype = atrb.read_u8()
|
|
|
|
mat.data = atrb.read_u8(2)
|
|
|
|
|
|
|
|
elif "TX0D" in next_header:
|
2020-11-01 16:48:07 +00:00
|
|
|
with matd.read_child() as tx0d:
|
2020-10-20 18:28:53 +00:00
|
|
|
mat.texture0 = tx0d.read_string()
|
|
|
|
|
|
|
|
elif "TX1D" in next_header:
|
2020-11-01 16:48:07 +00:00
|
|
|
with matd.read_child() as tx1d:
|
2020-10-20 18:28:53 +00:00
|
|
|
mat.texture1 = tx1d.read_string()
|
|
|
|
|
|
|
|
elif "TX2D" in next_header:
|
2020-11-01 16:48:07 +00:00
|
|
|
with matd.read_child() as tx2d:
|
2020-10-20 18:28:53 +00:00
|
|
|
mat.texture2 = tx2d.read_string()
|
|
|
|
|
|
|
|
elif "TX3D" in next_header:
|
2020-11-01 16:48:07 +00:00
|
|
|
with matd.read_child() as tx3d:
|
2020-10-20 18:28:53 +00:00
|
|
|
mat.texture3 = tx3d.read_string()
|
|
|
|
|
|
|
|
else:
|
|
|
|
matd.skip_bytes(4)
|
|
|
|
|
|
|
|
return mat
|
|
|
|
|
|
|
|
|
2020-10-30 20:59:54 +00:00
|
|
|
def _read_modl(modl: Reader, materials_list: List[Material]) -> Model:
|
2020-10-20 18:28:53 +00:00
|
|
|
|
|
|
|
model = Model()
|
|
|
|
|
|
|
|
while modl.could_have_child():
|
|
|
|
|
|
|
|
next_header = modl.peak_next_header()
|
|
|
|
|
|
|
|
if "MTYP" in next_header:
|
2020-11-01 16:48:07 +00:00
|
|
|
with modl.read_child() as mtyp:
|
2020-10-30 20:59:54 +00:00
|
|
|
model.model_type = ModelType(mtyp.read_u32())
|
2020-10-20 18:28:53 +00:00
|
|
|
|
|
|
|
elif "MNDX" in next_header:
|
2020-11-01 16:48:07 +00:00
|
|
|
with modl.read_child() as mndx:
|
2020-10-20 18:28:53 +00:00
|
|
|
pass
|
|
|
|
|
|
|
|
elif "NAME" in next_header:
|
2020-11-01 16:48:07 +00:00
|
|
|
with modl.read_child() as name:
|
2020-10-20 18:28:53 +00:00
|
|
|
model.name = name.read_string()
|
|
|
|
|
|
|
|
elif "PRNT" in next_header:
|
2020-11-01 16:48:07 +00:00
|
|
|
with modl.read_child() as prnt:
|
2020-10-20 18:28:53 +00:00
|
|
|
model.parent = prnt.read_string()
|
|
|
|
|
|
|
|
elif "FLGS" in next_header:
|
2020-11-01 16:48:07 +00:00
|
|
|
with modl.read_child() as flgs:
|
2020-10-20 18:28:53 +00:00
|
|
|
model.hidden = flgs.read_u32()
|
|
|
|
|
|
|
|
elif "TRAN" in next_header:
|
2020-11-01 16:48:07 +00:00
|
|
|
with modl.read_child() as tran:
|
2020-10-20 18:28:53 +00:00
|
|
|
model.transform = _read_tran(tran)
|
|
|
|
|
|
|
|
elif "GEOM" in next_header:
|
|
|
|
model.geometry = []
|
2020-11-01 16:48:07 +00:00
|
|
|
with modl.read_child() as geom:
|
2020-10-20 18:28:53 +00:00
|
|
|
|
|
|
|
next_header_modl = geom.peak_next_header()
|
|
|
|
|
|
|
|
if "SEGM" in next_header_modl:
|
2020-11-01 16:48:07 +00:00
|
|
|
with geom.read_child() as segm:
|
2020-10-20 18:28:53 +00:00
|
|
|
model.geometry.append(_read_segm(segm, materials_list))
|
2020-10-30 20:59:54 +00:00
|
|
|
|
2020-10-20 18:28:53 +00:00
|
|
|
elif "SWCI" in next_header:
|
|
|
|
prim = CollisionPrimitive()
|
2020-11-01 16:48:07 +00:00
|
|
|
with modl.read_child() as swci:
|
|
|
|
prim.shape = CollisionPrimitiveShape(swci.read_u32())
|
2020-10-20 18:28:53 +00:00
|
|
|
prim.radius = swci.read_f32()
|
|
|
|
prim.height = swci.read_f32()
|
|
|
|
prim.length = swci.read_f32()
|
|
|
|
model.collisionprimitive = prim
|
|
|
|
|
|
|
|
else:
|
2020-11-01 16:48:07 +00:00
|
|
|
with modl.read_child() as unknown:
|
2020-10-20 18:28:53 +00:00
|
|
|
pass
|
|
|
|
|
2020-10-30 20:59:54 +00:00
|
|
|
return model
|
2020-10-20 18:28:53 +00:00
|
|
|
|
|
|
|
|
|
|
|
def _read_tran(tran: Reader) -> ModelTransform:
|
|
|
|
|
|
|
|
xform = ModelTransform()
|
|
|
|
|
|
|
|
tran.skip_bytes(4 * 3) #ignore scale
|
|
|
|
|
2020-10-30 20:59:54 +00:00
|
|
|
rot = tran.read_f32(4)
|
|
|
|
xform.rotation = Quaternion((rot[3], rot[0], rot[1], rot[2]))
|
|
|
|
xform.translation = Vector(tran.read_f32(3))
|
2020-10-20 18:28:53 +00:00
|
|
|
|
2020-10-30 20:59:54 +00:00
|
|
|
return xform
|
2020-10-20 18:28:53 +00:00
|
|
|
|
|
|
|
|
2020-10-30 20:59:54 +00:00
|
|
|
def _read_segm(segm: Reader, materials_list: List[Material]) -> GeometrySegment:
|
2020-10-20 18:28:53 +00:00
|
|
|
|
|
|
|
geometry_seg = GeometrySegment()
|
|
|
|
|
|
|
|
while segm.could_have_child():
|
|
|
|
|
|
|
|
next_header = segm.peak_next_header()
|
|
|
|
|
|
|
|
if "MATI" in next_header:
|
2020-11-01 16:48:07 +00:00
|
|
|
with segm.read_child() as mati:
|
2020-10-30 20:59:54 +00:00
|
|
|
geometry_seg.material_name = materials_list[mati.read_u32()].name
|
2020-10-20 18:28:53 +00:00
|
|
|
|
|
|
|
elif "POSL" in next_header:
|
2020-11-01 16:48:07 +00:00
|
|
|
with segm.read_child() as posl:
|
2020-10-20 18:28:53 +00:00
|
|
|
num_positions = posl.read_u32()
|
|
|
|
|
|
|
|
for _ in range(num_positions):
|
|
|
|
geometry_seg.positions.append(Vector(posl.read_f32(3)))
|
|
|
|
|
|
|
|
elif "NRML" in next_header:
|
2020-11-01 16:48:07 +00:00
|
|
|
with segm.read_child() as nrml:
|
2020-10-20 18:28:53 +00:00
|
|
|
num_normals = nrml.read_u32()
|
|
|
|
|
|
|
|
for _ in range(num_positions):
|
|
|
|
geometry_seg.normals.append(Vector(nrml.read_f32(3)))
|
|
|
|
|
|
|
|
elif "CLRL" in next_header:
|
|
|
|
geometry_seg.colors = []
|
|
|
|
|
2020-11-01 16:48:07 +00:00
|
|
|
with segm.read_child() as clrl:
|
2020-10-20 18:28:53 +00:00
|
|
|
num_colors = clrl.read_u32()
|
|
|
|
|
|
|
|
for _ in range(num_colors):
|
|
|
|
geometry_seg.colors += unpack_color(clrl.read_u32())
|
|
|
|
|
|
|
|
elif "UV0L" in next_header:
|
2020-11-01 16:48:07 +00:00
|
|
|
with segm.read_child() as uv0l:
|
2020-10-20 18:28:53 +00:00
|
|
|
num_texcoords = uv0l.read_u32()
|
|
|
|
|
|
|
|
for _ in range(num_texcoords):
|
|
|
|
geometry_seg.texcoords.append(Vector(uv0l.read_f32(2)))
|
|
|
|
|
|
|
|
elif "NDXL" in next_header:
|
2020-11-01 16:48:07 +00:00
|
|
|
with segm.read_child() as ndxl:
|
2020-10-20 18:28:53 +00:00
|
|
|
num_polygons = ndxl.read_u32()
|
|
|
|
|
|
|
|
for _ in range(num_polygons):
|
|
|
|
polygon = ndxl.read_u16(ndxl.read_u16())
|
|
|
|
geometry_seg.polygons.append(polygon)
|
|
|
|
|
|
|
|
elif "NDXT" in next_header:
|
2020-11-01 16:48:07 +00:00
|
|
|
with segm.read_child() as ndxt:
|
2020-10-20 18:28:53 +00:00
|
|
|
num_tris = ndxt.read_u32()
|
|
|
|
|
|
|
|
for _ in range(num_tris):
|
|
|
|
geometry_seg.triangles.append(ndxt.read_u16(3))
|
|
|
|
|
|
|
|
elif "STRP" in next_header:
|
2020-11-01 16:48:07 +00:00
|
|
|
with segm.read_child() as strp:
|
2020-10-20 18:28:53 +00:00
|
|
|
pass
|
|
|
|
|
2020-10-30 20:59:54 +00:00
|
|
|
if segm.read_u16 != 0: #trailing 0 bug https://schlechtwetterfront.github.io/ze_filetypes/msh.html#STRP
|
2020-10-20 18:28:53 +00:00
|
|
|
segm.skip_bytes(-2)
|
|
|
|
|
|
|
|
else:
|
2020-11-01 16:48:07 +00:00
|
|
|
with segm.read_child() as unknown:
|
2020-10-20 18:28:53 +00:00
|
|
|
pass
|
|
|
|
|
|
|
|
return geometry_seg
|
|
|
|
|
|
|
|
|
2020-11-01 16:48:07 +00:00
|
|
|
|