Basic reading/writing

addons/io_scene_swbf_msh/__init__.py

@@ -53,12 +53,15 @@ if "bpy" in locals():
 # End of stuff taken from glTF
 
 import bpy
-from bpy_extras.io_utils import ExportHelper
+from bpy_extras.io_utils import ExportHelper, ImportHelper
 from bpy.props import BoolProperty, EnumProperty
 from bpy.types import Operator
 from .msh_scene import create_scene
 from .msh_scene_save import save_scene
+from .msh_scene_read import read_scene
 from .msh_material_properties import *
+from .msh_to_blend import *
+
 
 class ExportMSH(Operator, ExportHelper):
     """ Export the current scene as a SWBF .msh file. """
@@ -126,16 +129,47 @@ class ExportMSH(Operator, ExportHelper):
 
         return {'FINISHED'}
 
+
 # Only needed if you want to add into a dynamic menu
 def menu_func_export(self, context):
     self.layout.operator(ExportMSH.bl_idname, text="SWBF msh (.msh)")
 
+
+
+
+
+class ImportMSH(Operator, ImportHelper):
+    """ Import an SWBF .msh file. """
+
+    bl_idname = "swbf_msh.import"
+    bl_label = "Import SWBF .msh File"
+    filename_ext = ".msh"
+
+    filter_glob: StringProperty(
+        default="*.msh",
+        options={'HIDDEN'},
+        maxlen=255,  # Max internal buffer length, longer would be clamped.
+    )
+
+    def execute(self, context):
+        with open(self.filepath, 'rb') as input_file:
+            extract_scene(self.filepath, read_scene(input_file))
+        return {'FINISHED'}
+
+def menu_func_import(self, context):
+    self.layout.operator(ImportMSH.bl_idname, text="SWBF msh (.msh)")
+
+
+
+
 def register():
     bpy.utils.register_class(MaterialProperties)
     bpy.utils.register_class(MaterialPropertiesPanel)
     bpy.utils.register_class(ExportMSH)
+    bpy.utils.register_class(ImportMSH)
 
     bpy.types.TOPBAR_MT_file_export.append(menu_func_export)
+    bpy.types.TOPBAR_MT_file_import.append(menu_func_import)
     bpy.types.Material.swbf_msh = bpy.props.PointerProperty(type=MaterialProperties)
 
 
@@ -143,7 +177,10 @@ def unregister():
     bpy.utils.unregister_class(MaterialProperties)
     bpy.utils.unregister_class(MaterialPropertiesPanel)
     bpy.utils.unregister_class(ExportMSH)
+    bpy.utils.unregister_class(ImportMSH)
     bpy.types.TOPBAR_MT_file_export.remove(menu_func_export)
+    bpy.types.TOPBAR_MT_file_import.remove(menu_func_import)
+
 
 if __name__ == "__main__":
     register()

addons/io_scene_swbf_msh/msh_material.py

@@ -32,8 +32,9 @@ class MaterialFlags(Flag):
 
 @dataclass
 class Material:
-    """ Data class representing a .msh material.
+    """ Data class representing a .msh material."""
-        Intended to be stored in a dictionary so name is missing. """
+
+    name: str = ""
 
     specular_color: Color = Color((1.0, 1.0, 1.0))
     rendertype: Rendertype = Rendertype.NORMAL

addons/io_scene_swbf_msh/msh_model.py

@@ -2,7 +2,7 @@
     saved to a .msh file. """
 
 from dataclasses import dataclass, field
-from typing import List, Dict, Tuple
+from typing import List, Tuple
 from enum import Enum
 from mathutils import Vector, Quaternion
 
@@ -12,12 +12,13 @@ class ModelType(Enum):
     CLOTH = 2
     BONE = 3
     STATIC = 4
+    SHADOWVOLUME = 6
 
 class CollisionPrimitiveShape(Enum):
     SPHERE = 0
-    # ELLIPSOID = 1
+    ELLIPSOID = 1
     CYLINDER = 2
-    # MESH = 3
+    MESH = 3
     BOX = 4
 
 @dataclass
@@ -51,6 +52,8 @@ class GeometrySegment:
     triangles: List[List[int]] = field(default_factory=list)
     triangle_strips: List[List[int]] = None
 
+    weights: List[List[Tuple[int, float]]] = None
+
 @dataclass
 class CollisionPrimitive:
     """ Class representing a 'SWCI' section in a .msh file. """
@@ -76,6 +79,7 @@ class Model:
     geometry: List[GeometrySegment] = None
     collisionprimitive: CollisionPrimitive = None
 
+
 @dataclass
 class Animation:
     """ Class representing 'CYCL' + 'KFR3' sections in a .msh file """
@@ -86,4 +90,4 @@ class Animation:
     framerate: float = 29.97
     start_index : int = 0
     end_index   : int = 0
-    
+    

addons/io_scene_swbf_msh/msh_model_gather.py

@@ -4,7 +4,7 @@
 import bpy
 import math
 from enum import Enum
-from typing import List, Set, Dict, Tuple, Set
+from typing import List, Set, Dict, Tuple
 from itertools import zip_longest
 from .msh_model import *
 from .msh_model_utilities import *
@@ -80,6 +80,7 @@ def gather_models(apply_modifiers: bool, export_target: str, skeleton_only: bool
 
             mesh = obj.to_mesh()
             model.geometry = create_mesh_geometry(mesh, obj.vertex_groups)
+
             obj.to_mesh_clear()
 
             _, _, world_scale = obj.matrix_world.decompose()
@@ -103,7 +104,6 @@ def gather_models(apply_modifiers: bool, export_target: str, skeleton_only: bool
 
         models_list.append(model)
 
-
     return models_list
 
 
@@ -119,7 +119,6 @@ def create_parents_set() -> Set[str]:
 
     return parents
 
-
 def create_mesh_geometry(mesh: bpy.types.Mesh, has_weights: bool) -> List[GeometrySegment]:
     """ Creates a list of GeometrySegment objects from a Blender mesh.
         Does NOT create triangle strips in the GeometrySegment however. """
@@ -218,7 +217,6 @@ def create_mesh_geometry(mesh: bpy.types.Mesh, has_weights: bool) -> List[Geomet
 
         return new_index
 
-
     for tri in mesh.loop_triangles:
         polygons[tri.material_index].add(tri.polygon_index)
         segments[tri.material_index].triangles.append([

addons/io_scene_swbf_msh/msh_model_utilities.py

@@ -26,6 +26,14 @@ def inject_dummy_data(model : Model):
     model.geometry = [dummy_seg]
     model.model_type = ModelType.STATIC
 
+def convert_vector_space_(vec: Vector) -> Vector:
+    return Vector((-vec.x, vec.z, vec.y))
+
+def convert_rotation_space_(quat: Quaternion) -> Quaternion:
+    return Quaternion((-quat.w, quat.x, -quat.z, -quat.y))
+
+def model_transform_to_matrix(transform: ModelTransform):
+    return Matrix.Translation(convert_vector_space_(transform.translation)) @ convert_rotation_space_(transform.rotation).to_matrix().to_4x4()
 
 def scale_segments(scale: Vector, segments: List[GeometrySegment]):
     """ Scales are positions in the GeometrySegment list. """

addons/io_scene_swbf_msh/msh_reader.py

@@ -0,0 +1,105 @@
+
+import io
+import struct
+
+class Reader:
+    def __init__(self, file, parent=None, indent=0):
+        self.file = file
+        self.size: int = 0
+        self.size_pos = None
+        self.parent = parent
+        self.indent = "  " * indent #for print debugging
+
+
+    def __enter__(self):
+        self.size_pos = self.file.tell()
+        self.header = self.read_bytes(4).decode("utf-8")
+        self.size = self.read_u32()
+
+        padding_length = 4 - (self.size % 4) if self.size % 4 > 0 else 0
+        self.end_pos = self.size_pos + padding_length + self.size + 8
+
+        #print(self.indent + "Begin " + self.header + ", Size: " + str(self.size) + ", Pos: " + str(self.size_pos))
+
+        return self
+
+
+    def __exit__(self, exc_type, exc_value, traceback):
+        if self.size > self.MAX_SIZE:
+            raise OverflowError(f".msh file overflowed max size. size = {self.size} MAX_SIZE = {self.MAX_SIZE}")
+
+        #print(self.indent + "End   " + self.header)
+        self.file.seek(self.end_pos)
+
+
+
+    def read_bytes(self,num_bytes):
+        return self.file.read(num_bytes)
+
+
+    def read_string(self):
+        last_byte = self.read_bytes(1)
+        result = b''
+        while last_byte[0] != 0x0:
+            result += last_byte
+            last_byte = self.read_bytes(1)
+
+        return result.decode("utf-8")
+
+    def read_i8(self, num=1):
+        buf = self.read_bytes(num)
+        result = struct.unpack(f"<{num}b", buf)
+        return result[0] if num == 1 else result
+
+    def read_u8(self, num=1):
+        buf = self.read_bytes(num)
+        result = struct.unpack(f"<{num}B", buf)
+        return result[0] if num == 1 else result
+
+    def read_i16(self, num=1):
+        buf = self.read_bytes(num * 2)
+        result = struct.unpack(f"<{num}h", buf)
+        return result[0] if num == 1 else result
+
+    def read_u16(self, num=1):
+        buf = self.read_bytes(num * 2)
+        result = struct.unpack(f"<{num}H", buf)
+        return result[0] if num == 1 else result
+
+    def read_i32(self, num=1):
+        buf = self.read_bytes(num * 4)
+        result = struct.unpack(f"<{num}i", buf)
+        return result[0] if num == 1 else result
+
+    def read_u32(self, num=1):
+        buf = self.read_bytes(num * 4) 
+        result = struct.unpack(f"<{num}I", buf)
+        return result[0] if num == 1 else result
+
+    def read_f32(self, num=1):
+        buf = self.read_bytes(num * 4)
+        result = struct.unpack(f"<{num}f", buf)
+        return result[0] if num == 1 else result
+
+
+
+    def read_child(self):
+        child = Reader(self.file, parent=self, indent=int(len(self.indent) / 2) + 1)
+        return child
+
+
+    def skip_bytes(self,num):
+        self.file.seek(num,1)
+
+
+    def peak_next_header(self):
+        buf = self.read_bytes(4);
+        self.file.seek(-4,1)
+        return buf.decode("utf-8")
+
+
+    def could_have_child(self):
+    	return self.end_pos - self.file.tell() >= 8
+
+
+    MAX_SIZE: int = 2147483647 - 8

addons/io_scene_swbf_msh/msh_scene.py

@@ -6,7 +6,7 @@ from typing import List, Dict
 from copy import copy
 import bpy
 from mathutils import Vector
-from .msh_model import Model, Animation
+from .msh_model import Model
 from .msh_model_gather import gather_models
 from .msh_model_utilities import sort_by_parent, has_multiple_root_models, reparent_model_roots, get_model_world_matrix
 from .msh_model_triangle_strips import create_models_triangle_strips
@@ -14,7 +14,6 @@ from .msh_material import *
 from .msh_material_gather import gather_materials
 from .msh_material_utilities import remove_unused_materials
 from .msh_utilities import *
-from .msh_anim_gather import * 
 
 @dataclass
 class SceneAABB:
@@ -44,8 +43,8 @@ class Scene:
     name: str = "Scene"
     materials: Dict[str, Material] = field(default_factory=dict)
     models: List[Model] = field(default_factory=list)
-    anims:  List[Animation] = field(default_factory=list)
 
+    skeleton: List[int] = field(default_factory=list)
 
 def create_scene(generate_triangle_strips: bool, apply_modifiers: bool, export_target: str, skel_only: bool) -> Scene:
     """ Create a msh Scene from the active Blender scene. """

addons/io_scene_swbf_msh/msh_scene_read.py

@@ -0,0 +1,369 @@
+""" Contains functions for extracting a scene from a .msh file"""
+
+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 *
+
+envls = []
+
+model_counter = 0
+
+def read_scene(input_file) -> Scene:
+
+    scene = Scene()
+    scene.models = []
+    scene.materials = {}
+
+    with Reader(file=input_file) as hedr:
+
+        while hedr.could_have_child():
+
+            next_header = hedr.peak_next_header()
+
+            if "MSH2" in next_header:
+
+                with hedr.read_child() as msh2:
+
+                    materials_list = []
+
+                    while (msh2.could_have_child()):
+
+                        next_header = msh2.peak_next_header()
+
+                        if "SINF" in next_header:
+                            with msh2.read_child() as sinf:
+                                pass
+
+                        elif "MATL" in next_header:
+                            with msh2.read_child() as matl:
+                                materials_list += _read_matl_and_get_materials_list(matl)
+                                for i,mat in enumerate(materials_list):
+                                    scene.materials[mat.name] = mat
+
+                        elif "MODL" in next_header:
+                            while ("MODL" in msh2.peak_next_header()):
+                                with msh2.read_child() as modl:
+                                    scene.models.append(_read_modl(modl, materials_list))
+
+                        else:
+                            with hedr.read_child() as unknown:
+                                pass
+
+            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):
+                            pass
+                            #print("\t" + model.name + " with type: " + str(model.model_type))
+
+            elif "ANM2" in next_header:
+                with hedr.read_child() as anm2:
+                    _read_anm2(anm2, scene.models)
+
+            else:
+                with hedr.read_child() as null:
+                    pass
+
+    for envl in envls:
+        #print("Envelope: ")
+        for index in envl:
+            pass#print("\t" + scene.models[index].name)
+                    
+    return scene
+
+
+def _read_matl_and_get_materials_list(matl: Reader) -> List[Material]:
+    materials_list: List[Material] = []
+
+    num_mats = matl.read_u32()
+
+    for _ in range(num_mats):
+        with matl.read_child() as matd:
+            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:
+            with matd.read_child() as name:
+                mat.name = name.read_string()
+
+        elif "DATA" in next_header:
+            with matd.read_child() as data:
+                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:
+            with matd.read_child() as atrb:
+                mat.flags = atrb.read_u8()
+                mat.rendertype = atrb.read_u8()
+                mat.data = atrb.read_u8(2)
+
+        elif "TX0D" in next_header:
+            with matd.read_child() as tx0d:
+                mat.texture0 = tx0d.read_string()
+
+        elif "TX1D" in next_header:
+            with matd.read_child() as tx1d:
+                mat.texture1 = tx1d.read_string()
+
+        elif "TX2D" in next_header:
+            with matd.read_child() as tx2d:
+                mat.texture2 = tx2d.read_string()
+
+        elif "TX3D" in next_header:
+            with matd.read_child() as tx3d:
+                mat.texture3 = tx3d.read_string()
+
+        else:
+            matd.skip_bytes(4)
+
+    return mat
+
+
+def _read_modl(modl: Reader, materials_list: List[Material]) -> Model:
+
+    model = Model()
+
+    while modl.could_have_child():
+
+        next_header = modl.peak_next_header()
+
+        if "MTYP" in next_header:
+            with modl.read_child() as mtyp:
+                model.model_type = ModelType(mtyp.read_u32())
+
+        elif "MNDX" in next_header:
+            with modl.read_child() as mndx:
+                index = mndx.read_u32()
+                global model_counter
+                print("Encountered model {} with index {}".format(model_counter, index))
+                model_counter += 1
+
+        elif "NAME" in next_header:
+            with modl.read_child() as name:
+                model.name = name.read_string()
+
+        elif "PRNT" in next_header:
+            with modl.read_child() as prnt:
+                model.parent = prnt.read_string()
+
+        elif "FLGS" in next_header:
+            with modl.read_child() as flgs:
+                model.hidden = flgs.read_u32()
+
+        elif "TRAN" in next_header:
+            with modl.read_child() as tran:
+                model.transform = _read_tran(tran)
+
+        elif "GEOM" in next_header:
+            model.geometry = []
+            envelope = []
+
+            with modl.read_child() as geom:
+
+                while geom.could_have_child():
+                    next_header_geom = geom.peak_next_header()
+
+                    if "SEGM" in next_header_geom:
+                        with geom.read_child() as segm:
+                           model.geometry.append(_read_segm(segm, materials_list))
+
+                    elif "ENVL" in next_header_geom:
+                        with geom.read_child() as envl:
+                            num_indicies = envl.read_u32()
+                            envelope += [envl.read_u32() - 1 for _ in range(num_indicies)]
+                    
+                    else:
+                        with geom.read_child() as null:
+                            pass
+            if envelope:
+                global envls
+                envls.append(envelope)
+
+            for seg in model.geometry:
+                if seg.weights:
+                    for weight_set in seg.weights:
+                        for i in range(len(weight_set)):
+                            weight = weight_set[i]
+                            weight_set[i] = (envelope[weight[0]], weight[1])
+
+        elif "SWCI" in next_header:
+            prim = CollisionPrimitive()
+            with modl.read_child() as swci:
+                prim.shape = CollisionPrimitiveShape(swci.read_u32())
+                prim.radius = swci.read_f32()
+                prim.height = swci.read_f32()
+                prim.length = swci.read_f32()
+            model.collisionprimitive = prim
+
+        else:
+            with modl.read_child() as unknown:
+                pass
+
+    return model
+
+
+def _read_tran(tran: Reader) -> ModelTransform:
+
+    xform = ModelTransform()
+
+    tran.skip_bytes(12) #ignore scale
+
+    rot = tran.read_f32(4)
+    xform.rotation = Quaternion((rot[3], rot[0], rot[1], rot[2]))
+    xform.translation = Vector(tran.read_f32(3))
+
+    return xform
+
+
+def _read_segm(segm: Reader, materials_list: List[Material]) -> GeometrySegment:
+
+    geometry_seg = GeometrySegment()
+
+    while segm.could_have_child():
+
+        next_header = segm.peak_next_header()
+
+        if "MATI" in next_header:
+            with segm.read_child() as mati:
+                geometry_seg.material_name = materials_list[mati.read_u32()].name
+
+        elif "POSL" in next_header:
+            with segm.read_child() as posl:
+                num_positions = posl.read_u32()
+
+                for _ in range(num_positions):
+                    geometry_seg.positions.append(Vector(posl.read_f32(3)))
+
+        elif "NRML" in next_header:
+            with segm.read_child() as nrml:
+                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 = []
+
+            with segm.read_child() as clrl:
+                num_colors = clrl.read_u32()
+
+                for _ in range(num_colors):
+                    geometry_seg.colors += unpack_color(clrl.read_u32())
+
+        elif "UV0L" in next_header:
+            with segm.read_child() as uv0l:
+                num_texcoords = uv0l.read_u32()
+
+                for _ in range(num_texcoords):
+                    geometry_seg.texcoords.append(Vector(uv0l.read_f32(2))) 
+
+        elif "NDXL" in next_header:
+            with segm.read_child() as ndxl:
+                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:
+            with segm.read_child() as ndxt:
+                num_tris = ndxt.read_u32()
+
+                for _ in range(num_tris):
+                    geometry_seg.triangles.append(ndxt.read_u16(3))
+
+        elif "STRP" in next_header:
+            with segm.read_child() as strp:
+                pass
+
+            if segm.read_u16 != 0: #trailing 0 bug https://schlechtwetterfront.github.io/ze_filetypes/msh.html#STRP
+                segm.skip_bytes(-2)
+
+        elif "WGHT" in next_header:
+            print("===================================")
+            with segm.read_child() as wght:
+                
+                geometry_seg.weights = []
+
+                num_weights = wght.read_u32()
+
+                for _ in range(num_weights):
+                    weight_set = []
+                    print_str = ""
+                    for _ in range(4):
+                        index = wght.read_u32()
+                        value = wght.read_f32()
+
+                        print_str += "({}, {}) ".format(index,value)
+
+                        if value > 0.000001:
+                            weight_set.append((index,value))
+
+                    #print(print_str)
+
+                    geometry_seg.weights.append(weight_set)
+            print("===================================")
+
+        else:
+            with segm.read_child() as unknown:
+                pass
+
+    return geometry_seg
+
+
+
+def _read_anm2(anm2: Reader, models):
+
+    hash_dict = {}
+    for model in models:
+        hash_dict[crc(model.name)] = model.name
+
+    while anm2.could_have_child():
+
+        next_header = anm2.peak_next_header()
+
+        if "CYCL" in next_header:
+            with anm2.read_child() as cycl:
+                pass
+
+        elif "KFR3" in next_header:
+            with anm2.read_child() as kfr3:
+
+                num_bones = kfr3.read_u32()
+
+                for _ in range(num_bones):
+
+                    kfr3.read_u32()
+
+                    frametype = kfr3.read_u32()
+
+                    num_loc_frames = kfr3.read_u32()
+                    num_rot_frames = kfr3.read_u32()
+
+                    kfr3.skip_bytes(16 * num_loc_frames + 20 * num_rot_frames)
+
+
+

addons/io_scene_swbf_msh/msh_scene_save.py

@@ -8,9 +8,13 @@ from .msh_material import *
 from .msh_writer import Writer
 from .msh_utilities import *
 
+<<<<<<< HEAD
 from .crc import *
 
 def save_scene(output_file, scene: Scene, is_animated: bool):
+=======
+def save_scene(output_file, scene: Scene):
+>>>>>>> mshread
     """ Saves scene to the supplied file. """
 
     with Writer(file=output_file, chunk_id="HEDR") as hedr:
@@ -52,7 +56,7 @@ def _write_sinf(sinf: Writer, scene: Scene):
 
     with sinf.create_child("FRAM") as fram:
         fram.write_i32(0, 1)
-        fram.write_f32(29.97)
+        fram.write_f32(29.97003)
 
     with sinf.create_child("BBOX") as bbox:
         aabb = create_scene_aabb(scene)
@@ -298,6 +302,3 @@ def _write_anm2(anm2: Writer, anim: Animation):
             for i, xform in enumerate(anim.bone_transforms[boneName]):
                 kfr3.write_u32(i)
                 kfr3.write_f32(xform.rotation.x, xform.rotation.y, xform.rotation.z, xform.rotation.w)
-
-
-

addons/io_scene_swbf_msh/msh_to_blend.py

@@ -0,0 +1,280 @@
+""" Gathers the Blender objects from the current scene and returns them as a list of
+    Model objects. """
+
+import bpy
+import bmesh
+import math
+from enum import Enum
+from typing import List, Set, Dict, Tuple
+from itertools import zip_longest
+from .msh_scene import Scene
+from .msh_model import *
+from .msh_model_utilities import *
+from .msh_utilities import *
+from .msh_model_gather import *
+from .crc import *
+
+import os
+
+
+
+
+def refined_skeleton_to_armature(refined_skeleton : List[Model], model_map):
+
+    armature = bpy.data.armatures.new("skeleton")
+    armature_obj = bpy.data.objects.new("skeleton", armature)
+
+    bpy.context.view_layer.active_layer_collection.collection.objects.link(armature_obj)
+    armature_obj.select_set(True)
+
+    bpy.context.view_layer.objects.active = armature_obj
+    bpy.ops.object.mode_set(mode='EDIT')
+
+    for bone in refined_skeleton:
+
+        edit_bone = armature.edit_bones.new(bone.name)
+
+        if bone.parent:
+            edit_bone.parent = armature.edit_bones[bone.parent]
+
+        edit_bone.head = model_map[bone.name].matrix_world.translation
+
+        bone_children = [b for b in get_model_children(bone, refined_skeleton)]
+        
+        if bone_children:
+            edit_bone.tail = Vector((0.0,0.0,0.0))
+            for bone_child in bone_children:
+                edit_bone.tail += model_map[bone_child.name].matrix_world.translation
+            edit_bone.tail = edit_bone.tail / len(bone_children)
+        else:
+            edit_bone.tail = model_map[bone.name].matrix_world @ Vector((-0.2,0.0,0.0))
+
+
+
+    bpy.ops.object.mode_set(mode='OBJECT')
+    armature_obj.select_set(True)
+    bpy.context.view_layer.update() 
+
+
+
+
+
+
+def extract_refined_skeleton(scene: Scene):
+
+    model_dict = {}
+    children_dict = {}
+    skeleton_models = []
+
+    for model in scene.models:
+        model_dict[model.name] = model
+        children_dict[model.name] = []
+
+    for model in scene.models:
+        if model.parent:
+            children_dict[model.parent].append(model)
+
+        if crc(model.name) in scene.skeleton:
+            skeleton_models.append(model)
+
+    refined_skeleton_models = []
+
+    for bone in skeleton_models:
+
+        if bone.parent:
+
+            curr_ancestor = model_dict[bone.parent]
+            stacked_transform = model_transform_to_matrix(bone.transform)
+
+            while True:
+
+                if crc(curr_ancestor.name) in scene.skeleton or "dummyroot" in curr_ancestor.name.lower():
+                    new_model = Model()
+                    new_model.name = bone.name
+                    new_model.parent = curr_ancestor.name if "dummyroot" not in curr_ancestor.name.lower() else ""
+
+                    loc, rot, _ = stacked_transform.decompose()
+
+                    new_model.transform.rotation = rot
+                    new_model.transform.translation = loc
+                    
+                    refined_skeleton_models.append(new_model)
+                    break
+
+                else:
+                    curr_ancestor = model_dict[curr_ancestor.parent]
+                    stacked_transform = model_transform_to_matrix(curr_ancestor.transform) @ stacked_transform
+
+    return sort_by_parent(refined_skeleton_models)                  
+
+
+
+
+
+
+
+
+
+def extract_models(scene: Scene, materials_map):
+
+    model_map = {}
+
+    for model in sort_by_parent(scene.models):
+        new_obj = None
+
+        if model.name.startswith("p_") or "collision" in model.name or model.name.startswith("c_") or model.name.startswith("sv_"):
+            continue
+
+        if model.model_type == ModelType.STATIC or model.model_type == ModelType.SKIN:  
+
+            new_mesh = bpy.data.meshes.new(model.name)
+            verts = []
+            faces = []
+            offset = 0
+
+            mat_name = ""
+
+            full_texcoords = []
+
+            weights_offsets = {}
+
+            for i,seg in enumerate(model.geometry):
+
+                if i == 0:
+                    mat_name = seg.material_name
+
+                verts += [tuple(convert_vector_space(v)) for v in seg.positions]
+
+                if seg.weights:
+                    weights_offsets[offset] = seg.weights
+
+                if seg.texcoords is not None:
+                    full_texcoords += seg.texcoords
+                else:
+                    full_texcoords += [(0.0,0.0) for _ in range(len(seg.positions))]
+
+                faces += [tuple([ind + offset for ind in tri]) for tri in seg.triangles]
+
+                offset += len(seg.positions)
+
+            new_mesh.from_pydata(verts, [], faces)
+            new_mesh.update()
+            new_mesh.validate()
+
+            
+            if full_texcoords:
+
+                edit_mesh = bmesh.new()
+                edit_mesh.from_mesh(new_mesh)
+
+                uvlayer = edit_mesh.loops.layers.uv.verify()
+
+                for edit_mesh_face in edit_mesh.faces:
+                    mesh_face = faces[edit_mesh_face.index]
+
+                    for i,loop in enumerate(edit_mesh_face.loops):
+
+                        texcoord = full_texcoords[mesh_face[i]]
+                        loop[uvlayer].uv = tuple([texcoord.x, texcoord.y])
+
+                edit_mesh.to_mesh(new_mesh)
+                edit_mesh.free() 
+            
+            new_obj = bpy.data.objects.new(new_mesh.name, new_mesh)
+
+
+            for offset in weights_offsets:
+                vertex_groups_indicies = {}
+                for i, weight_set in enumerate(weights_offsets[offset]):
+                    for weight in weight_set:
+                        index = weight[0]
+
+                        if index not in vertex_groups_indicies:
+                            model_name = scene.models[index].name
+                            vertex_groups_indicies[index] = new_obj.vertex_groups.new(name=model_name)
+
+                        vertex_groups_indicies[index].add([offset + i], weight[1], 'ADD')
+
+            '''
+            Assign Materials - will do per segment later...
+            '''
+            if mat_name:
+                material = materials_map[mat_name]
+
+                if new_obj.data.materials:
+                    new_obj.data.materials[0] = material
+                else:
+                    new_obj.data.materials.append(material)
+        
+        else:
+
+            new_obj = bpy.data.objects.new(model.name, None)
+            new_obj.empty_display_size = 1
+            new_obj.empty_display_type = 'PLAIN_AXES' 
+
+
+
+        model_map[model.name] = new_obj
+
+        if model.parent:
+            new_obj.parent = model_map[model.parent]
+
+        new_obj.location = convert_vector_space(model.transform.translation)
+        new_obj.rotation_mode = "QUATERNION"
+        new_obj.rotation_quaternion = convert_rotation_space(model.transform.rotation)
+
+        bpy.context.collection.objects.link(new_obj)
+
+    return model_map
+
+
+
+def extract_materials(folder_path: str, scene: Scene) -> Dict[str,bpy.types.Material]:
+
+    extracted_materials = {}
+
+    for material_name in scene.materials.keys():
+
+        new_mat = bpy.data.materials.new(name=material_name)
+        new_mat.use_nodes = True
+        bsdf = new_mat.node_tree.nodes["Principled BSDF"]
+
+        tex_path_def = os.path.join(folder_path, scene.materials[material_name].texture0)
+        tex_path_alt = os.path.join(folder_path, "PC", scene.materials[material_name].texture0)
+
+        tex_path = tex_path_def if os.path.exists(tex_path_def) else tex_path_alt
+
+        if os.path.exists(tex_path):
+            texImage = new_mat.node_tree.nodes.new('ShaderNodeTexImage')
+            texImage.image = bpy.data.images.load(tex_path)
+            new_mat.node_tree.links.new(bsdf.inputs['Base Color'], texImage.outputs['Color'])
+
+        extracted_materials[material_name] = new_mat
+
+    return extracted_materials
+
+
+
+def extract_scene(filepath: str, scene: Scene):
+
+    folder = os.path.join(os.path.dirname(filepath),"")
+
+    matmap = extract_materials(folder,scene)
+
+    if scene.skeleton:
+        #print("Skeleton models: ")
+        for model in scene.models:
+            if crc(model.name) in scene.skeleton:
+                pass#print("\tName: " + model.name + " Parent: " + model.parent)
+
+    model_map = extract_models(scene, matmap)
+
+
+    skel = extract_refined_skeleton(scene)
+    refined_skeleton_to_armature(skel, model_map)
+
+
+
+
+
+

addons/io_scene_swbf_msh/msh_utilities.py

@@ -1,6 +1,7 @@
 """ Misc utilities. """
 
 from mathutils import Vector
+from typing import List
 
 
 def vec_to_str(vec):
@@ -36,3 +37,14 @@ def pack_color(color) -> int:
     packed |= (int(color[3] * 255.0 + 0.5) << 24)
 
     return packed
+
+def unpack_color(color: int) -> List[float]:
+
+    mask = int(0x000000ff)
+
+    r = (color & (mask << 16)) / 255.0
+    g = (color & (mask << 8)) / 255.0
+    b = (color & mask) / 255.0
+    a = (color & (mask << 24)) / 255.0
+
+    return [r,g,b,a]