Bone parenting fixed, anm2 reading, menu option for anim import

addons/io_scene_swbf_msh/__init__.py

@@ -151,9 +151,22 @@ class ImportMSH(Operator, ImportHelper):
         maxlen=255,  # Max internal buffer length, longer would be clamped.
     )
 
+    animation_only: BoolProperty(
+        name="Import Animation Only",
+        description="Import animation and append as a new action to currently selected armature.",
+        default=False
+    )
+
+
     def execute(self, context):
         with open(self.filepath, 'rb') as input_file:
-            extract_scene(self.filepath, read_scene(input_file))
+            scene = read_scene(input_file, self.animation_only)
+            
+            if not self.animation_only:
+                extract_scene(self.filepath, scene)
+            else:
+                extract_and_apply_anim(self.filepath, scene)
+
         return {'FINISHED'}
 
 def menu_func_import(self, context):

addons/io_scene_swbf_msh/msh_anim_gather.py

@@ -17,6 +17,8 @@ def extract_anim(armature: bpy.types.Armature, root_name: str) -> Animation:
     action = armature.animation_data.action
     anim = Animation();
 
+    root_crc = crc(root_name)
+
     if not action:
         framerange = Vector((0.0,1.0))
     else:
@@ -27,9 +29,9 @@ def extract_anim(armature: bpy.types.Armature, root_name: str) -> Animation:
 
     anim.end_index = num_frames - 1
     
-    anim.bone_frames[root_name] = ([], [])
+    anim.bone_frames[root_crc] = ([], [])
     for bone in armature.data.bones:
-        anim.bone_frames[bone.name] = ([], [])
+        anim.bone_frames[crc(bone.name)] = ([], [])
 
     for frame in range(num_frames):
         
@@ -40,8 +42,8 @@ def extract_anim(armature: bpy.types.Armature, root_name: str) -> Animation:
         rframe_dummy = RotationFrame(frame, convert_rotation_space(Quaternion()))
         tframe_dummy = TranslationFrame(frame, Vector((0.0,0.0,0.0)))
 
-        anim.bone_frames[root_name][0].append(tframe_dummy)
+        anim.bone_frames[root_crc][0].append(tframe_dummy)
-        anim.bone_frames[root_name][1].append(rframe_dummy)
+        anim.bone_frames[root_crc][1].append(rframe_dummy)
 
 
         for bone in armature.pose.bones:
@@ -56,8 +58,8 @@ def extract_anim(armature: bpy.types.Armature, root_name: str) -> Animation:
             rframe = RotationFrame(frame, convert_rotation_space(rot))
             tframe = TranslationFrame(frame, convert_vector_space(loc))
 
-            anim.bone_frames[bone.name][0].append(tframe)
+            anim.bone_frames[crc(bone.name)][0].append(tframe)
-            anim.bone_frames[bone.name][1].append(rframe)
+            anim.bone_frames[crc(bone.name)][1].append(rframe)
 
 
     return anim

addons/io_scene_swbf_msh/msh_model.py

@@ -98,7 +98,7 @@ class Animation:
     """ Class representing 'CYCL' + 'KFR3' sections in a .msh file """
 
     name: str = "fullanimation"
-    bone_frames: Dict[str, Tuple[List[TranslationFrame], List[RotationFrame]]] = field(default_factory=dict)
+    bone_frames: Dict[int, Tuple[List[TranslationFrame], List[RotationFrame]]] = field(default_factory=dict)
 
     framerate: float = 29.97
     start_index : int = 0

addons/io_scene_swbf_msh/msh_reader.py

@@ -84,6 +84,14 @@ class Reader:
         return result[0] if num == 1 else result
 
 
+    def read_quat(self):
+        rot = self.read_f32(4)
+        return Quaternion((rot[3], rot[0], rot[1], rot[2]))
+
+    def read_vec(self):
+        return Vector(self.read_f32(3))
+
+
 
     def read_child(self):
         child = Reader(self.file, parent=self, indent=int(len(self.indent) / 2) + 1, debug=self.debug)

addons/io_scene_swbf_msh/msh_scene_read.py

@@ -15,7 +15,7 @@ model_counter = 0
 mndx_remap = {}
 
 
-def read_scene(input_file) -> Scene:
+def read_scene(input_file, anim_only=False) -> Scene:
 
     scene = Scene()
     scene.models = []
@@ -37,6 +37,7 @@ def read_scene(input_file) -> Scene:
 
                 with hedr.read_child() as msh2:
                     
+                    if not anim_only:
                         materials_list = []
 
                         while (msh2.could_have_child()):
@@ -68,7 +69,7 @@ def read_scene(input_file) -> Scene:
                 
             elif "ANM2" in next_header:
                 with hedr.read_child() as anm2:
-                    _read_anm2(anm2, scene.models)
+                    scene.animation = _read_anm2(anm2)
 
             else:
                 hedr.skip_bytes(1)
@@ -250,9 +251,8 @@ def _read_tran(tran: Reader) -> ModelTransform:
 
     tran.skip_bytes(12) #ignore scale
 
-    rot = tran.read_f32(4)
+    xform.rotation = tran.read_quat()
-    xform.rotation = Quaternion((rot[3], rot[0], rot[1], rot[2]))
+    xform.translation = tran.read_vec()
-    xform.translation = Vector(tran.read_f32(3))
 
     print(tran.indent + "Rot: {} Loc: {}".format(str(xform.rotation), str(xform.translation)))
 
@@ -381,11 +381,9 @@ def _read_segm(segm: Reader, materials_list: List[Material]) -> GeometrySegment:
 
 
 
-def _read_anm2(anm2: Reader, models):
+def _read_anm2(anm2: Reader) -> Animation:
 
-    hash_dict = {}
+    anim = Animation()
-    for model in models:
-        hash_dict[crc(model.name)] = model.name
 
     while anm2.could_have_child():
 
@@ -402,14 +400,26 @@ def _read_anm2(anm2: Reader, models):
 
                 for _ in range(num_bones):
 
-                    kfr3.read_u32()
+                    bone_crc = kfr3.read_u32()
+
+                    frames = ([],[])
 
                     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)
+                    for i in range(num_loc_frames):
+                        frames[0].append(TranslationFrame(kfr3.read_u32(), kfr3.read_vec()))
+
+                    for i in range(num_rot_frames):
+                        frames[1].append(RotationFrame(kfr3.read_u32(), kfr3.read_quat()))
+
+                    anim.bone_frames[bone_crc] = frames
+        else:
+            anm2.skip_bytes(1)
+
+    return anim
 
 
 

addons/io_scene_swbf_msh/msh_scene_save.py

@@ -251,15 +251,15 @@ def _write_bln2(bln2: Writer, anim: Animation):
     bones = anim.bone_frames.keys()
     bln2.write_u32(len(bones))
 
-    for boneName in bones:
+    for bone_crc in bones:
-        bln2.write_u32(crc(boneName), 0) 
+        bln2.write_u32(bone_crc, 0) 
 
 def _write_skl2(skl2: Writer, anim: Animation):
     bones = anim.bone_frames.keys()
     skl2.write_u32(len(bones)) 
 
-    for boneName in bones:
+    for bone_crc in bones:
-        skl2.write_u32(crc(boneName), 0) #default values from docs
+        skl2.write_u32(bone_crc, 0) #default values from docs
         skl2.write_f32(1.0, 0.0, 0.0)
 
 '''
@@ -284,8 +284,8 @@ def _write_anm2(anm2: Writer, anim: Animation):
         
         kfr3.write_u32(len(anim.bone_frames))
 
-        for boneName in anim.bone_frames:
+        for bone_crc in anim.bone_frames:
-            kfr3.write_u32(crc(boneName))
+            kfr3.write_u32(bone_crc)
             kfr3.write_u32(0) #what is keyframe type?
 
             translation_frames, rotation_frames = anim.bone_frames[boneName]

addons/io_scene_swbf_msh/msh_to_blend.py

@@ -18,44 +18,25 @@ import os
 
 
 
-#def import_anim(scene : Scene):
+
+
+
+
+
 
 def parent_object_to_bone(obj, armature, bone_name):
 
-    bpy.ops.object.select_all(action='DESELECT')
+    worldmat = obj.matrix_world
-    armature.select_set(True)
-    bpy.context.view_layer.objects.active = armature
-    bpy.ops.object.mode_set(mode='EDIT')
-    armature.data.edit_bones.active = armature.data.edit_bones[bone_name]
-    bpy.ops.object.mode_set(mode='OBJECT')
 
+    obj.parent = None
+    obj.parent = armature
+    obj.parent_type = 'BONE'
+    obj.parent_bone = bone_name
 
-    bpy.ops.object.select_all(action='DESELECT')
+    obj.matrix_basis = Matrix()
-    bpy.context.view_layer.objects.active = None
+    obj.matrix_parent_inverse = Matrix()
 
-
+    obj.matrix_world = worldmat
-    obj.select_set(True)
-    bpy.context.view_layer.objects.active = obj
-
-    bpy.ops.object.parent_clear(type="CLEAR_KEEP_TRANSFORM")
-    bpy.context.view_layer.objects.active = None
-
-
-    obj.select_set(True)
-    armature.select_set(True)
-    bpy.context.view_layer.objects.active = armature
-
-    bpy.ops.object.mode_set(mode='POSE')
-
-    armature.pose.bones[bone_name].bone.select = True
-
-    bpy.ops.object.parent_set(type="BONE")
-    armature.pose.bones[bone_name].bone.select = False
-
-
-
-    bpy.ops.object.mode_set(mode='OBJECT')
-    bpy.ops.object.select_all(action='DESELECT')