Merge pull request #34 from Brachi/bugfix/ISSUE-33-no-shadows-exported

Bugfix/issue 33 no shadows exported

albam/engines/mtframework/blender_export.py

@@ -402,7 +402,8 @@ def _export_meshes(blender_meshes, bounding_box, bone_palettes, exported_materia
 
         m156 = meshes_156[mesh_index]
         try:
-            m156.material_index = materials_mapping[blender_mesh.materials[0].name]
+            blender_material = blender_mesh.materials[0]
+            m156.material_index = materials_mapping[blender_material.name]
         except IndexError:
             # TODO: insert an empty generic material in this case
             raise ExportError('Mesh {} has no materials'.format(blender_mesh.name))
@@ -420,19 +421,11 @@ def _export_meshes(blender_meshes, bounding_box, bone_palettes, exported_materia
         m156.vertex_index_start_2 = vertex_position
         m156.vertex_group_count = 1  # using 'TEST' bounding box
         m156.bone_palette_index = bone_palette_index
-        # Needs research
-        m156.group_index = 0
-
-        # metadata saved
-        # TODO: use an util function
-        for field in m156._fields_:
-            attr_name = field[0]
-            if not attr_name.startswith('unk_'):
-                continue
-            setattr(m156, attr_name, getattr(blender_mesh, attr_name))
+        m156.use_cast_shadows = int(blender_material.use_cast_shadows)
 
         vertex_position += vertex_count
         face_position += index_count
+
     vertex_buffer = (ctypes.c_ubyte * len(vertex_buffer)).from_buffer(vertex_buffer)
     index_buffer = (ctypes.c_ushort * (len(index_buffer) // 2)).from_buffer(index_buffer)
 

albam/engines/mtframework/blender_import.py

@@ -99,11 +99,7 @@ def _build_blender_mesh_from_mod(mod, mesh, mesh_index, name, materials):
     imported_vertices = _import_vertices(mod, mesh)
     vertex_locations = imported_vertices['locations']
     indices = get_indices_array(mod, mesh)
-    if mod.version == 156:
-        indices = strip_triangles_to_triangles_list(indices)
-    else:
-        start_face = min(indices)
-        indices = [i - start_face for i in indices]
+    indices = strip_triangles_to_triangles_list(indices)
     uvs_per_vertex = imported_vertices['uvs']
     weights_per_bone = imported_vertices['weights_per_bone']
 
@@ -116,8 +112,11 @@ def _build_blender_mesh_from_mod(mod, mesh, mesh_index, name, materials):
     me_ob.polygons.foreach_set("use_smooth", [True] * len(me_ob.polygons))
     me_ob.validate()
 
-    if materials:
-        me_ob.materials.append(materials[mesh.material_index])
+    mesh_material = materials[mesh.material_index]
+    if not mesh.use_cast_shadows and mesh_material.use_cast_shadows:
+        mesh_material.use_cast_shadows = False
+    me_ob.materials.append(mesh_material)
+
     for bone_index, data in weights_per_bone.items():
         vg = ob.vertex_groups.new(str(bone_index))
         for vertex_index, weight_value in data:
@@ -150,8 +149,7 @@ def _build_blender_mesh_from_mod(mod, mesh, mesh_index, name, materials):
 
 
 def _import_vertices(mod, mesh):
-    if mod.version == 156:
-        return _import_vertices_mod156(mod, mesh)
+    return _import_vertices_mod156(mod, mesh)
 
 
 def _import_vertices_mod156(mod, mesh):
@@ -235,7 +233,6 @@ def _create_blender_materials_from_mod(mod, model_name, textures):
                 continue
             attr_value = getattr(material, attr_name)
             setattr(blender_material, attr_name, attr_value)
-
         materials.append(blender_material)
 
         for texture_code, tex_index in enumerate(material.texture_indices):

albam/engines/mtframework/mod_156.py

@@ -202,7 +202,7 @@ class Mesh156(LittleEndianStructure):
                 ('unk_flag_03', c_uint8, 1),
                 ('unk_flag_04', c_uint8, 1),
                 ('unk_flag_05', c_uint8, 1),
-                ('cast_shadows', c_uint8, 1),
+                ('use_cast_shadows', c_uint8, 1),
                 ('unk_flag_06', c_uint8, 1),
                 ('unk_flag_07', c_uint8, 1),
                 ('vertex_count', c_ushort),