Working for complex skinned exports, still crashes ZE, menus need work

addons/io_scene_swbf_msh/__init__.py

@@ -97,9 +97,15 @@ class ExportMSH(Operator, ExportHelper):
         default=True
     )
 
-    export_anims: BoolProperty(
+    export_animated: BoolProperty(
-        name="Export Animations",
+        name="Export Animated Object",
-        description="Action export test",
+        description="Always check if the object will be animated.",
+        default=False
+    )
+
+    export_skeleton_only: BoolProperty(
+        name="Export Skeleton",
+        description="Check if you intend to export skeleton data only.",
         default=False
     )
 
@@ -112,8 +118,10 @@ class ExportMSH(Operator, ExportHelper):
                 scene=create_scene(
                     generate_triangle_strips=self.generate_triangle_strips, 
                     apply_modifiers=self.apply_modifiers,
-                    export_target=self.export_target),
+                    export_target=self.export_target,
-                separate_anims=self.export_anims
+                    skel_only=self.export_skeleton_only
+                ),
+                is_animated=self.export_animated
             )
 
         return {'FINISHED'}

addons/io_scene_swbf_msh/msh_anim_gather.py

@@ -12,65 +12,42 @@ from .msh_utilities import *
 from .msh_model_gather import *
 
 
-def gather_animdata(armature: bpy.types.Armature) -> List[Animation]:
+def extract_anim(armature: bpy.types.Armature) -> Animation:
-
-    anim_data = Animation();
 
     action = armature.animation_data.action
+    anim = Animation();
+
+    if not action:
+        framerange = Vector((0.0,1.0))
+    else:
+        framerange = action.frame_range
     
-    framerange = action.frame_range
+    num_frames = math.floor(framerange.y - framerange.x) + 1
-    increment  = (framerange.y - framerange.x) / 20.0
+    increment  = (framerange.y - framerange.x) / (num_frames - 1)
-    offset     = framerange.x;
 
-    anim_data.bone_transforms[armature.parent.name] = []
+    anim.end_index = num_frames - 1
+    
     for bone in armature.data.bones:
-        anim_data.bone_transforms[bone.name] = []
+        anim.bone_transforms[bone.name] = []
 
-    for frame in range(21):
+    for frame in range(num_frames):
-        frame_time = offset + frame * increment
+        
+        frame_time = framerange.x + frame * increment
         bpy.context.scene.frame_set(frame_time)
 
-        anim_data.bone_transforms[armature.parent.name].append(ModelTransform()) #for testing
-
         for bone in armature.pose.bones:
 
-            xform = ModelTransform()
+            transform = bone.matrix
-            xform.translation = to_skeleton_vector_space(bone.location)
-            xform.rotation = to_skeleton_rotation_space(bone.rotation_quaternion)
-            		
-            anim_data.bone_transforms[bone.name].append(xform)
-            
-            
-    return [anim_data]
 
-
+            if bone.parent:
-def get_basepose(armature: bpy.types.Armature) -> Animation:
+                transform = bone.parent.matrix.inverted() @ transform
-
+ 
-    anim_data = Animation();
+            loc, rot, _ = transform.decompose()
-    anim_data.name = "basepose"
-
-    bpy.context.scene.frame_set(0.0)
-
-    anim_data.bone_transforms[armature.parent.name] = []
-    for bone in armature.data.bones:
-        anim_data.bone_transforms[bone.name] = []
-
-    for frame in range(2):
-
-        anim_data.bone_transforms[armature.parent.name].append(ModelTransform()) #for testing
-
-        for bone in armature.pose.bones:
 
             xform = ModelTransform()
-            xform.translation = to_skeleton_vector_space(bone.location)
+            xform.rotation = convert_rotation_space(rot)
-            xform.rotation = to_skeleton_rotation_space(bone.rotation_quaternion)
+            xform.translation = convert_vector_space(loc)
-            		
-            anim_data.bone_transforms[bone.name].append(xform)
-            
-            
-    return anim_data
-
-
-
 
+            anim.bone_transforms[bone.name].append(xform)
 
+    return anim

addons/io_scene_swbf_msh/msh_model.py

@@ -80,6 +80,10 @@ class Model:
 class Animation:
     """ Class representing 'CYCL' + 'KFR3' sections in a .msh file """
 
-    name: str = "wiggle"
+    name: str = "fullanimation"
     bone_transforms: Dict[str, List[ModelTransform]] = field(default_factory=dict)
+
+    framerate: float = 10.0
+    start_index : int = 0
+    end_index   : int = 0
     

addons/io_scene_swbf_msh/msh_model_gather.py

@@ -14,7 +14,7 @@ SKIPPED_OBJECT_TYPES = {"LATTICE", "CAMERA", "LIGHT", "SPEAKER", "LIGHT_PROBE"}
 MESH_OBJECT_TYPES = {"MESH", "CURVE", "SURFACE", "META", "FONT", "GPENCIL"}
 MAX_MSH_VERTEX_COUNT = 32767
 
-def gather_models(apply_modifiers: bool, export_target: str) -> List[Model]:
+def gather_models(apply_modifiers: bool, export_target: str, skeleton_only: bool) -> List[Model]:
     """ Gathers the Blender objects from the current scene and returns them as a list of
         Model objects. """
 
@@ -36,15 +36,26 @@ def gather_models(apply_modifiers: bool, export_target: str) -> List[Model]:
 
         if obj.type == "ARMATURE":
             models_list += expand_armature(obj)
-            continue
 
-        local_translation, local_rotation, _ = obj.matrix_local.decompose()
+        if skeleton_only:
+            continue
 
         model = Model()
         model.name = obj.name
         model.model_type = get_model_type(obj)
         model.hidden = get_is_model_hidden(obj)
-        model.transform.rotation = convert_rotation_space(local_rotation)
+
+        transform = obj.matrix_local
+
+        if obj.parent_bone:
+            model.parent = obj.parent_bone
+            transform = obj.parent.data.bones[obj.parent_bone].matrix_local.inverted() @ transform
+        else:
+            if obj.parent is not None:
+                model.parent = obj.parent.name
+
+        local_translation, local_rotation, _ = transform.decompose()
+        model.transform.rotation = convert_rotation_space(local_rotation)  
         model.transform.translation = convert_vector_space(local_translation)
 
         if obj.type in MESH_OBJECT_TYPES:
@@ -126,11 +137,11 @@ def create_mesh_geometry(mesh: bpy.types.Mesh, has_weights: bool) -> List[Geomet
 
         if use_smooth_normal or mesh.use_auto_smooth:
             if mesh.has_custom_normals:
-                vertex_normal = mesh.loops[loop_index].normal
+                vertex_normal = Vector( mesh.loops[loop_index].normal )
             else:
-                vertex_normal = mesh.vertices[vertex_index].normal
+                vertex_normal = Vector( mesh.vertices[vertex_index].normal )
         else:
-            vertex_normal = face_normal
+            vertex_normal = Vector(face_normal)
 
         def get_cache_vertex():
             yield mesh.vertices[vertex_index].co.x
@@ -343,6 +354,8 @@ def select_objects(export_target: str) -> List[bpy.types.Object]:
 
     return objects + parents
 
+
+
 def expand_armature(obj: bpy.types.Object) -> List[Model]:
     bones: List[Model] = []
 
@@ -355,7 +368,7 @@ def expand_armature(obj: bpy.types.Object) -> List[Model]:
             transform = bone.parent.matrix_local.inverted() @ transform
             model.parent = bone.parent.name
         else:
-            model.parent = "DummyRoot" # obj.name
+            model.parent = obj.name
 
         local_translation, local_rotation, _ = transform.decompose()
 

addons/io_scene_swbf_msh/msh_model_utilities.py

@@ -3,6 +3,8 @@
 from typing import List
 from .msh_model import *
 from .msh_utilities import *
+import mathutils
+import math
 from mathutils import Vector, Matrix
 
 def scale_segments(scale: Vector, segments: List[GeometrySegment]):
@@ -125,15 +127,3 @@ def convert_scale_space(vec: Vector) -> Vector:
 def convert_rotation_space(quat: Quaternion) -> Quaternion:
     return Quaternion((-quat.w, quat.x, -quat.z, -quat.y))
 
-
-def to_skeleton_vector_space(vec : Vector):
-    vnew = convert_vector_space(vec)
-    vnew.x *= -1.0
-    return vnew
-
-def to_skeleton_rotation_space(quat : Quaternion):
-    qnew = convert_rotation_space(quat)
-    qnew.x *= -1.0
-    qnew.y *= -1.0
-    qnew.z *= -1.0
-    return qnew

addons/io_scene_swbf_msh/msh_scene.py

@@ -47,7 +47,7 @@ class Scene:
     anims:  List[Animation] = field(default_factory=list)
 
 
-def create_scene(generate_triangle_strips: bool, apply_modifiers: bool, export_target: str) -> Scene:
+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. """
 
     scene = Scene()
@@ -56,7 +56,7 @@ def create_scene(generate_triangle_strips: bool, apply_modifiers: bool, export_t
 
     scene.materials = gather_materials()
 
-    scene.models = gather_models(apply_modifiers=apply_modifiers, export_target=export_target)
+    scene.models = gather_models(apply_modifiers=apply_modifiers, export_target=export_target, skeleton_only=skel_only)
     scene.models = sort_by_parent(scene.models)
 
     if generate_triangle_strips:
@@ -70,13 +70,15 @@ def create_scene(generate_triangle_strips: bool, apply_modifiers: bool, export_t
     if has_multiple_root_models(scene.models):
         scene.models = reparent_model_roots(scene.models)
 
-
     scene.materials = remove_unused_materials(scene.materials, scene.models)
-
+ 
-    scene.anims = gather_animdata(bpy.context.scene.objects["Armature"])
+    #creates a dummy basepose if no Action is selected
+    if "Armature" in bpy.context.scene.objects.keys():
+        scene.anims = [extract_anim(bpy.context.scene.objects["Armature"])]
 
     return scene
 
+
 def create_scene_aabb(scene: Scene) -> SceneAABB:
     """ Create a SceneAABB for a Scene. """
 

addons/io_scene_swbf_msh/msh_scene_save.py

@@ -10,7 +10,7 @@ from .msh_utilities import *
 
 from .crc import *
 
-def save_scene(output_file, scene: Scene, separate_anims: bool):
+def save_scene(output_file, scene: Scene, is_animated: bool):
     """ Saves scene to the supplied file. """
 
     with Writer(file=output_file, chunk_id="HEDR") as hedr:
@@ -26,12 +26,19 @@ def save_scene(output_file, scene: Scene, separate_anims: bool):
                 material_index = _write_matl_and_get_material_index(matl, scene)
 
             for index, model in enumerate(scene.models):
-                if separate_anims and (model.model_type not in {ModelType.NULL, ModelType.BONE}):
+
-                    continue
+                print(model.name)
+
                 with msh2.create_child("MODL") as modl:
                     _write_modl(modl, model, index, material_index, model_index)
 
-        if separate_anims:
+        if is_animated:
+            with hedr.create_child("SKL2") as skl2:
+                _write_skl2(skl2, scene)
+
+            with hedr.create_child("BLN2") as bln2:
+                _write_bln2(bln2, scene)
+
             with hedr.create_child("ANM2") as anm2: #simple for now
                 for anim in scene.anims:
                     _write_anm2(anm2, anim)
@@ -44,8 +51,15 @@ def _write_sinf(sinf: Writer, scene: Scene):
         name.write_string(scene.name)
 
     with sinf.create_child("FRAM") as fram:
-        fram.write_i32(0, 20) #test values
+        min_index = 0
-        fram.write_f32(10.0) #test values
+        max_index = 1
+
+        if scene.anims and len(scene.anims) > 0:
+            min_index = min([anim.start_index for anim in scene.anims])
+            max_index = min([anim.end_index for anim in scene.anims])
+
+        fram.write_i32(min_index, max_index)
+        fram.write_f32(10.0)
 
     with sinf.create_child("BBOX") as bbox:
         aabb = create_scene_aabb(scene)
@@ -130,6 +144,12 @@ def _write_modl(modl: Writer, model: Model, index: int, material_index: Dict[str
 
     if model.geometry is not None:
         with modl.create_child("GEOM") as geom:
+
+            with geom.create_child("BBOX") as bbox:
+                bbox.write_f32(0.0, 0.0, 0.0, 1.0)
+                bbox.write_f32(0, 0, 0)
+                bbox.write_f32(1.0,1.0,1.0,2.0)
+
             for segment in model.geometry:
                 with geom.create_child("SEGM") as segm:
                     _write_segm(segm, segment, material_index)
@@ -168,7 +188,7 @@ def _write_segm(segm: Writer, segment: GeometrySegment, material_index: Dict[str
     with segm.create_child("NRML") as nrml:
         nrml.write_u32(len(segment.normals))
 
-        for normal in segment.normals:
+        for i,normal in enumerate(segment.normals):
             nrml.write_f32(normal.x, normal.y, normal.z)
 
     if segment.colors is not None:
@@ -214,6 +234,8 @@ SKINNING CHUNKS
 def _write_wght(wght: Writer, weights: List[List[VertexWeight]]):
     wght.write_u32(len(weights))
 
+    print("Writing WGHT: ")
+
     for weight_list in weights:
         weight_list += [VertexWeight(0.0, 0)] * 4
         weight_list = sorted(weight_list, key=lambda w: w.weight, reverse=True)
@@ -221,18 +243,46 @@ def _write_wght(wght: Writer, weights: List[List[VertexWeight]]):
 
         total_weight = max(sum(map(lambda w: w.weight, weight_list)), 1e-5)
 
+        print_str = ""
+
         for weight in weight_list:
+   
+           print_str += "({}, {})  ".format(weight.bone, weight.weight / total_weight)
+
            wght.write_i32(weight.bone)
            wght.write_f32(weight.weight / total_weight)
 
+        print("  {}".format(print_str))
+
 def _write_envl(envl: Writer, model: Model, model_index: Dict[str, int]):
     envl.write_u32(len(model.bone_map))
 
+    print("Writing ENVL: ")
+
     for bone_name in model.bone_map:
+        print("  {:10} Index: {}".format(bone_name, model_index[bone_name]))
         envl.write_u32(model_index[bone_name])
 
 '''
-ANIMATION CHUNKS
+SKELETON CHUNKS
+'''
+def _write_bln2(bln2: Writer, scene: Scene):
+    bones = scene.anims[0].bone_transforms.keys()
+    bln2.write_u32(len(bones))
+
+    for boneName in bones:
+        bln2.write_u32(crc(boneName), 0) 
+
+def _write_skl2(skl2: Writer, scene: Scene):
+    bones = scene.anims[0].bone_transforms.keys()
+    skl2.write_u32(len(bones))
+
+    for boneName in bones:
+        skl2.write_u32(crc(boneName), 0) #default values 
+        skl2.write_f32(1.0, 0.0, 0.0)   #from docs
+
+'''
+ANIMATION CHUNK
 '''
 def _write_anm2(anm2: Writer, anim: Animation):
 
@@ -241,12 +291,12 @@ def _write_anm2(anm2: Writer, anim: Animation):
         cycl.write_u32(1)
         cycl.write_string(anim.name)
         
-        for _ in range(63 - len(anim.name) ):
+        for _ in range(63 - len(anim.name)):
             cycl.write_u8(0)
         
-        cycl.write_f32(10.0) #test framerate
+        cycl.write_f32(anim.framerate)
         cycl.write_u32(0) #what does play style refer to?
-        cycl.write_u32(0, 20) #first frame indices
+        cycl.write_u32(anim.start_index, anim.end_index) #first frame indices
 
 
     with anm2.create_child("KFR3") as kfr3:
@@ -257,7 +307,8 @@ def _write_anm2(anm2: Writer, anim: Animation):
             kfr3.write_u32(crc(boneName))
             kfr3.write_u32(0) #what is keyframe type?
 
-            kfr3.write_u32(21, 21) #basic testing
+            num_frames = 1 + anim.end_index - anim.start_index  
+            kfr3.write_u32(num_frames, num_frames) #basic testing
 
             for i, xform in enumerate(anim.bone_transforms[boneName]):
                 kfr3.write_u32(i)