Merge branch 'feature-nla-track-sequence-5x' into blender-4.0

# Conflicts:
#	io_scene_psk_psa/__init__.py
#	io_scene_psk_psa/psa/export/operators.py

io_scene_psk_psa/psk/builder.py

@@ -88,7 +88,11 @@ def build_psk(context, options: PskBuildOptions) -> Psk:
 
         for bone in bones:
             psk_bone = Psk.Bone()
-            psk_bone.name = bytes(bone.name, encoding='windows-1252')
+            try:
+                psk_bone.name = bytes(bone.name, encoding='windows-1252')
+            except UnicodeEncodeError:
+                raise RuntimeError(
+                    f'Bone name "{bone.name}" contains characters that cannot be encoded in the Windows-1252 codepage')
             psk_bone.flags = 0
             psk_bone.children_count = 0
 
@@ -129,14 +133,17 @@ def build_psk(context, options: PskBuildOptions) -> Psk:
 
     for material_name in material_names:
         psk_material = Psk.Material()
-        psk_material.name = bytes(material_name, encoding='windows-1252')
+        try:
+            psk_material.name = bytes(material_name, encoding='windows-1252')
+        except UnicodeEncodeError:
+            raise RuntimeError(f'Material name "{material_name}" contains characters that cannot be encoded in the Windows-1252 codepage')
         psk_material.texture_index = len(psk.materials)
         psk.materials.append(psk_material)
 
     for input_mesh_object in input_objects.mesh_objects:
 
         # MATERIALS
-        material_indices = [material_names.index(material.name) for material in input_mesh_object.data.materials]
+        material_indices = [material_names.index(material_slot.material.name) for material_slot in input_mesh_object.material_slots]
 
         # MESH DATA
         if options.use_raw_mesh_data:

io_scene_psk_psa/psk/export/operators.py

@@ -22,10 +22,11 @@ def populate_material_list(mesh_objects, material_list):
 
     material_names = []
     for mesh_object in mesh_objects:
-        for i, material in enumerate(mesh_object.data.materials):
+        for i, material_slot in enumerate(mesh_object.material_slots):
+            material = material_slot.material
             # TODO: put this in the poll arg?
             if material is None:
-                raise RuntimeError('Material cannot be empty (index ' + str(i) + ')')
+                raise RuntimeError('Material slot cannot be empty (index ' + str(i) + ')')
             if material.name not in material_names:
                 material_names.append(material.name)
 

io_scene_psk_psa/psk/importer.py

@@ -131,7 +131,7 @@ def import_psk(psk: Psk, context, options: PskImportOptions) -> PskImportResult:
                     # Material already exists, just re-use it.
                     material = bpy.data.materials[material_name]
                 elif is_bdk_addon_loaded() and psk.has_material_references:
-                    # Material does not yet exist and we have the BDK addon installed.
+                    # Material does not yet exist, and we have the BDK addon installed.
                     # Attempt to load it using BDK addon's operator.
                     material_reference = psk.material_references[material_index]
                     if material_reference and bpy.ops.bdk.link_material(reference=material_reference) == {'FINISHED'}: