def create_animation(self, blender_context, ms3d_model, blender_mesh_object):
##########################
# setup scene
blender_scene = blender_context.scene
blender_scene.render.fps = ms3d_model.animation_fps
if ms3d_model.animation_fps:
blender_scene.render.fps_base = (blender_scene.render.fps /
ms3d_model.animation_fps)
blender_scene.frame_start = 1
blender_scene.frame_end = (ms3d_model.number_total_frames
+ blender_scene.frame_start) - 1
blender_scene.frame_current = (ms3d_model.current_time
* ms3d_model.animation_fps)
##########################
if not ms3d_model.joints:
return
##########################
ms3d_armature_name = "{}.a".format(ms3d_model.name)
ms3d_action_name = "{}.act".format(ms3d_model.name)
##########################
# create new blender_armature_object
blender_armature = blender_context.blend_data.armatures.new(
ms3d_armature_name)
blender_armature.ms3d.name = ms3d_model.name
blender_armature.draw_type = 'STICK'
blender_armature.show_axes = True
blender_armature.use_auto_ik = True
blender_armature_object = blender_context.blend_data.objects.new(
ms3d_armature_name, blender_armature)
blender_scene.objects.link(blender_armature_object)
#blender_armature_object.location = blender_scene.cursor_location
blender_armature_object.show_x_ray = True
##########################
# create new modifier
blender_modifier = blender_mesh_object.modifiers.new(
ms3d_armature_name, type='ARMATURE')
blender_modifier.show_expanded = False
blender_modifier.use_vertex_groups = True
blender_modifier.use_bone_envelopes = False
blender_modifier.object = blender_armature_object
##########################
# prepare for vertex groups
ms3d_to_blender_vertex_groups = {}
for ms3d_vertex_index, ms3d_vertex in enumerate(ms3d_model.vertices):
# prepare for later use for blender vertex group
if ms3d_vertex.bone_id != Ms3dSpec.NONE_VERTEX_BONE_ID:
if ms3d_vertex.vertex_ex_object \
and ( \
ms3d_vertex.vertex_ex_object.bone_ids[0] != \
Ms3dSpec.NONE_VERTEX_BONE_ID \
or ms3d_vertex.vertex_ex_object.bone_ids[1] != \
Ms3dSpec.NONE_VERTEX_BONE_ID \
or ms3d_vertex.vertex_ex_object.bone_ids[2] != \
Ms3dSpec.NONE_VERTEX_BONE_ID \
):
ms3d_vertex_group_ids_weights = []
ms3d_vertex_group_ids_weights.append(
(ms3d_vertex.bone_id,
float(ms3d_vertex.vertex_ex_object.weights[0] % 101) / 100.0,
))
if ms3d_vertex.vertex_ex_object.bone_ids[0] != \
Ms3dSpec.NONE_VERTEX_BONE_ID:
ms3d_vertex_group_ids_weights.append(
(ms3d_vertex.vertex_ex_object.bone_ids[0],
float(ms3d_vertex.vertex_ex_object.weights[1] % 101) / 100.0
))
if ms3d_vertex.vertex_ex_object.bone_ids[1] != \
Ms3dSpec.NONE_VERTEX_BONE_ID:
ms3d_vertex_group_ids_weights.append(
(ms3d_vertex.vertex_ex_object.bone_ids[1],
float(ms3d_vertex.vertex_ex_object.weights[2] % 101) / 100.0
))
if ms3d_vertex.vertex_ex_object.bone_ids[2] != \
Ms3dSpec.NONE_VERTEX_BONE_ID:
ms3d_vertex_group_ids_weights.append(
(ms3d_vertex.vertex_ex_object.bone_ids[2],
1.0 -
float((ms3d_vertex.vertex_ex_object.weights[0] % 101)
+ (ms3d_vertex.vertex_ex_object.weights[1] % 101)
+ (ms3d_vertex.vertex_ex_object.weights[2] % 101)) / 100.0
))
else:
ms3d_vertex_group_ids_weights = [(ms3d_vertex.bone_id, 1.0), ]
for ms3d_vertex_group_id_weight in ms3d_vertex_group_ids_weights:
ms3d_vertex_group_id = ms3d_vertex_group_id_weight[0]
blender_vertex_weight = ms3d_vertex_group_id_weight[1]
blender_vertex_group = ms3d_to_blender_vertex_groups.get(
ms3d_vertex_group_id)
if blender_vertex_group is None:
ms3d_to_blender_vertex_groups[ms3d_vertex_group_id] \
= blender_vertex_group = []
blender_vertex_group.append((ms3d_vertex_index,
blender_vertex_weight))
##########################
# blender stuff:
# create all vertex groups to be used for bones
for ms3d_bone_id, blender_vertex_index_weight_list \
in ms3d_to_blender_vertex_groups.items():
ms3d_name = ms3d_model.joints[ms3d_bone_id].name
blender_vertex_group = blender_mesh_object.vertex_groups.new(
ms3d_name)
for blender_vertex_id_weight in blender_vertex_index_weight_list:
blender_vertex_index = blender_vertex_id_weight[0]
blender_vertex_weight = blender_vertex_id_weight[1]
blender_vertex_group.add((blender_vertex_index, ),
blender_vertex_weight, 'ADD')
##########################
# bring joints in the correct order
ms3d_joints_ordered = []
self.build_ms3d_joint_dependency_order(ms3d_model.joints,
ms3d_joints_ordered)
##########################
# prepare joint data for later use
ms3d_joint_by_name = {}
for ms3d_joint in ms3d_joints_ordered:
item = ms3d_joint_by_name.get(ms3d_joint.name)
if item is None:
ms3d_joint.__children = []
ms3d_joint_by_name[ms3d_joint.name] = ms3d_joint
matrix_local_rot = (Matrix.Rotation(ms3d_joint.rotation[2], 4, 'Z')
* Matrix.Rotation(ms3d_joint.rotation[1], 4, 'Y')
) * Matrix.Rotation(ms3d_joint.rotation[0], 4, 'X')
matrix_local = Matrix.Translation(Vector(ms3d_joint.position)
) * matrix_local_rot
ms3d_joint.__matrix_local_rot = matrix_local_rot
ms3d_joint.__matrix_global_rot = matrix_local_rot
ms3d_joint.__matrix_local = matrix_local
ms3d_joint.__matrix_global = matrix_local
if ms3d_joint.parent_name:
ms3d_joint_parent = ms3d_joint_by_name.get(
ms3d_joint.parent_name)
if ms3d_joint_parent is not None:
ms3d_joint_parent.__children.append(ms3d_joint)
matrix_global = ms3d_joint_parent.__matrix_global \
* matrix_local
ms3d_joint.__matrix_global = matrix_global
matrix_global_rot = ms3d_joint_parent.__matrix_global_rot \
* matrix_local_rot
ms3d_joint.__matrix_global_rot = matrix_global_rot
##########################
# ms3d_joint to blender_edit_bone
if ms3d_model.model_ex_object and not self.options_use_joint_size:
joint_length = ms3d_model.model_ex_object.joint_size
else:
joint_length = self.options_joint_size
if joint_length < 0.01:
joint_length = 0.01
blender_scene.objects.active = blender_armature_object
enable_edit_mode(True, blender_context)
for ms3d_joint in ms3d_joints_ordered:
blender_edit_bone = blender_armature.edit_bones.new(ms3d_joint.name)
blender_edit_bone.use_connect = False
blender_edit_bone.use_inherit_rotation = True
blender_edit_bone.use_inherit_scale = True
blender_edit_bone.use_local_location = True
blender_armature.edit_bones.active = blender_edit_bone
ms3d_joint = ms3d_joint_by_name[ms3d_joint.name]
ms3d_joint_vector = ms3d_joint.__matrix_global * Vector()
blender_edit_bone.head \
= self.geometry_correction(ms3d_joint_vector)
vector_tail_end_up = ms3d_joint.__matrix_global_rot * Vector((0,1,0))
vector_tail_end_dir = ms3d_joint.__matrix_global_rot * Vector((0,0,1))
vector_tail_end_up.normalize()
vector_tail_end_dir.normalize()
blender_edit_bone.tail = blender_edit_bone.head \
+ self.geometry_correction(
vector_tail_end_dir * joint_length)
blender_edit_bone.align_roll(self.geometry_correction(
vector_tail_end_up))
if ms3d_joint.parent_name:
ms3d_joint_parent = ms3d_joint_by_name[ms3d_joint.parent_name]
blender_edit_bone_parent = ms3d_joint_parent.blender_edit_bone
blender_edit_bone.parent = blender_edit_bone_parent
ms3d_joint.blender_bone_name = blender_edit_bone.name
ms3d_joint.blender_edit_bone = blender_edit_bone
enable_edit_mode(False, blender_context)
if self.options_use_joint_to_bones:
enable_edit_mode(True, blender_context)
for ms3d_joint in ms3d_joints_ordered:
blender_edit_bone = blender_armature.edit_bones[ms3d_joint.name]
if blender_edit_bone.children:
new_length = 0.0
for child_bone in blender_edit_bone.children:
length = (child_bone.head - blender_edit_bone.head).length
if new_length <= 0 or length < new_length:
new_length = length
if new_length >= 0.01:
direction = blender_edit_bone.tail - blender_edit_bone.head
direction.normalize()
blender_edit_bone.tail = blender_edit_bone.head + (direction * new_length)
enable_edit_mode(False, blender_context)
##########################
# post process bones
enable_edit_mode(False, blender_context)
for ms3d_joint_name, ms3d_joint in ms3d_joint_by_name.items():
blender_bone = blender_armature.bones.get(
ms3d_joint.blender_bone_name)
if blender_bone is None:
continue
blender_bone.ms3d.name = ms3d_joint.name
blender_bone.ms3d.flags = Ms3dUi.flags_from_ms3d(ms3d_joint.flags)
ms3d_joint_ex = ms3d_joint.joint_ex_object
if ms3d_joint_ex is not None:
blender_bone.ms3d.color = ms3d_joint_ex.color
ms3d_comment = ms3d_joint.comment_object
if ms3d_comment is not None:
blender_bone.ms3d.comment = ms3d_comment.comment
##########################
if not self.options_use_animation:
return blender_armature_object
##########################
# process pose bones
enable_pose_mode(True, blender_context)
blender_action = blender_context.blend_data.actions.new(ms3d_action_name)
if blender_armature_object.animation_data is None:
blender_armature_object.animation_data_create()
blender_armature_object.animation_data.action = blender_action
##########################
# transition between keys may be incorrect
# because of the gimbal-lock problem!
# http://www.youtube.com/watch?v=zc8b2Jo7mno
# http://www.youtube.com/watch?v=rrUCBOlJdt4
# you can fix it manually by selecting the affected keyframes
# and allpy the following option to it:
# "Graph Editor -> Key -> Discontinuity (Euler) Filter"
# ==> "bpy.ops.graph.euler_filter()"
# but this option is only available for Euler rotation f-curves!
#
for ms3d_joint_name, ms3d_joint in ms3d_joint_by_name.items():
blender_pose_bone = blender_armature_object.pose.bones.get(
ms3d_joint.blender_bone_name)
if blender_pose_bone is None:
continue
data_path = blender_pose_bone.path_from_id('location')
fcurve_location_x = blender_action.fcurves.new(data_path, index=0)
fcurve_location_y = blender_action.fcurves.new(data_path, index=1)
fcurve_location_z = blender_action.fcurves.new(data_path, index=2)
for translation_key_frames in ms3d_joint.translation_key_frames:
frame = (translation_key_frames.time * ms3d_model.animation_fps)
matrix_local = Matrix.Translation(
Vector(translation_key_frames.position))
v = (matrix_local) * Vector()
fcurve_location_x.keyframe_points.insert(frame, -v[0])
fcurve_location_y.keyframe_points.insert(frame, v[2])
fcurve_location_z.keyframe_points.insert(frame, v[1])
if self.options_use_quaternion_rotation:
blender_pose_bone.rotation_mode = 'QUATERNION'
data_path = blender_pose_bone.path_from_id("rotation_quaternion")
fcurve_rotation_w = blender_action.fcurves.new(data_path, index=0)
fcurve_rotation_x = blender_action.fcurves.new(data_path, index=1)
fcurve_rotation_y = blender_action.fcurves.new(data_path, index=2)
fcurve_rotation_z = blender_action.fcurves.new(data_path, index=3)
for rotation_key_frames in ms3d_joint.rotation_key_frames:
frame = (rotation_key_frames.time * ms3d_model.animation_fps)
matrix_local_rot = (
Matrix.Rotation(
rotation_key_frames.rotation[2], 4, 'Y')
* Matrix.Rotation(
rotation_key_frames.rotation[1], 4, 'Z')
) * Matrix.Rotation(
-rotation_key_frames.rotation[0], 4, 'X')
q = (matrix_local_rot).to_quaternion()
fcurve_rotation_w.keyframe_points.insert(frame, q.w)
fcurve_rotation_x.keyframe_points.insert(frame, q.x)
fcurve_rotation_y.keyframe_points.insert(frame, q.y)
fcurve_rotation_z.keyframe_points.insert(frame, q.z)
else:
blender_pose_bone.rotation_mode = 'XZY'
data_path = blender_pose_bone.path_from_id("rotation_euler")
fcurve_rotation_x = blender_action.fcurves.new(data_path, index=0)
fcurve_rotation_y = blender_action.fcurves.new(data_path, index=1)
fcurve_rotation_z = blender_action.fcurves.new(data_path, index=2)
for rotation_key_frames in ms3d_joint.rotation_key_frames:
frame = (rotation_key_frames.time * ms3d_model.animation_fps)
fcurve_rotation_x.keyframe_points.insert(
frame, -rotation_key_frames.rotation[0])
fcurve_rotation_y.keyframe_points.insert(
frame, rotation_key_frames.rotation[2])
fcurve_rotation_z.keyframe_points.insert(
frame, rotation_key_frames.rotation[1])
enable_pose_mode(False, blender_context)
return blender_armature_object
def create_geometry(self, blender_context, ms3d_model):
##########################
# blender stuff:
# create a blender Mesh
blender_mesh = blender_context.blend_data.meshes.new(
"{}.m".format(ms3d_model.name))
blender_mesh.ms3d.name = ms3d_model.name
ms3d_comment = ms3d_model.comment_object
if ms3d_comment is not None:
blender_mesh.ms3d.comment = ms3d_comment.comment
ms3d_model_ex = ms3d_model.model_ex_object
if ms3d_model_ex is not None:
blender_mesh.ms3d.joint_size = ms3d_model_ex.joint_size
blender_mesh.ms3d.alpha_ref = ms3d_model_ex.alpha_ref
blender_mesh.ms3d.transparency_mode \
= Ms3dUi.transparency_mode_from_ms3d(
ms3d_model_ex.transparency_mode)
##########################
# blender stuff:
# link to blender object
blender_mesh_object = blender_context.blend_data.objects.new(
"{}.m".format(ms3d_model.name), blender_mesh)
##########################
# blender stuff:
# create edge split modifire, to make sharp edges visible
blender_modifier = get_edge_split_modifier_add_if(blender_mesh_object)
##########################
# blender stuff:
# link to blender scene
blender_scene = blender_context.scene
blender_scene.objects.link(blender_mesh_object)
#blender_mesh_object.location = blender_scene.cursor_location
enable_edit_mode(False, blender_context)
select_all(False)
blender_mesh_object.select = True
blender_scene.objects.active = blender_mesh_object
##########################
# take this as active object after import
self.active_object = blender_mesh_object
##########################
# blender stuff:
# create all (ms3d) groups
ms3d_to_blender_group_index = {}
blender_group_manager = blender_mesh.ms3d
for ms3d_group_index, ms3d_group in enumerate(ms3d_model.groups):
blender_group = blender_group_manager.create_group()
blender_group.name = ms3d_group.name
blender_group.flags = Ms3dUi.flags_from_ms3d(ms3d_group.flags)
blender_group.material_index = ms3d_group.material_index
ms3d_comment = ms3d_group.comment_object
if ms3d_comment is not None:
blender_group.comment = ms3d_comment.comment
# translation dictionary
ms3d_to_blender_group_index[ms3d_group_index] = blender_group.id
####################################################
# begin BMesh stuff
#
##########################
# BMesh stuff:
# create an empty BMesh
bm = bmesh.new()
##########################
# BMesh stuff:
# create new Layers for custom data per "mesh face"
layer_texture = bm.faces.layers.tex.get(
ms3d_str['OBJECT_LAYER_TEXTURE'])
if layer_texture is None:
layer_texture = bm.faces.layers.tex.new(
ms3d_str['OBJECT_LAYER_TEXTURE'])
layer_smoothing_group = bm.faces.layers.int.get(
ms3d_str['OBJECT_LAYER_SMOOTHING_GROUP'])
if layer_smoothing_group is None:
layer_smoothing_group = bm.faces.layers.int.new(
ms3d_str['OBJECT_LAYER_SMOOTHING_GROUP'])
layer_group = bm.faces.layers.int.get(
ms3d_str['OBJECT_LAYER_GROUP'])
if layer_group is None:
layer_group = bm.faces.layers.int.new(
ms3d_str['OBJECT_LAYER_GROUP'])
##########################
# BMesh stuff:
# create new Layers for custom data per "face vertex"
layer_uv = bm.loops.layers.uv.get(ms3d_str['OBJECT_LAYER_UV'])
if layer_uv is None:
layer_uv = bm.loops.layers.uv.new(ms3d_str['OBJECT_LAYER_UV'])
##########################
# BMesh stuff:
# create new Layers for custom data per "vertex"
layer_extra = bm.verts.layers.int.get(ms3d_str['OBJECT_LAYER_EXTRA'])
if layer_extra is None:
layer_extra = bm.verts.layers.int.new(ms3d_str['OBJECT_LAYER_EXTRA'])
##########################
# BMesh stuff:
# create all vertices
for ms3d_vertex_index, ms3d_vertex in enumerate(ms3d_model.vertices):
bmv = bm.verts.new(self.geometry_correction(ms3d_vertex.vertex))
if layer_extra and ms3d_vertex.vertex_ex_object and \
(isinstance(ms3d_vertex.vertex_ex_object, Ms3dVertexEx2) \
or isinstance(ms3d_vertex.vertex_ex_object, Ms3dVertexEx3)):
#bmv[layer_extra] = ms3d_vertex.vertex_ex_object.extra
# bm.verts.layers.int does only support signed int32
# convert unsigned int32 to signed int32 (little-endian)
unsigned_int32 = ms3d_vertex.vertex_ex_object.extra
bytes_int32 = unsigned_int32.to_bytes(
4, byteorder='little', signed=False)
signed_int32 = int.from_bytes(
bytes_int32, byteorder='little', signed=True)
bmv[layer_extra] = signed_int32
##########################
# blender stuff (uses BMesh stuff):
# create all materials / image textures
ms3d_to_blender_material = {}
for ms3d_material_index, ms3d_material in enumerate(
ms3d_model.materials):
blender_material = blender_context.blend_data.materials.new(
ms3d_material.name)
# custom datas
blender_material.ms3d.name = ms3d_material.name
blender_material.ms3d.ambient = ms3d_material.ambient
blender_material.ms3d.diffuse = ms3d_material.diffuse
blender_material.ms3d.specular = ms3d_material.specular
blender_material.ms3d.emissive = ms3d_material.emissive
blender_material.ms3d.shininess = ms3d_material.shininess
blender_material.ms3d.transparency = ms3d_material.transparency
blender_material.ms3d.mode = Ms3dUi.texture_mode_from_ms3d(
ms3d_material.mode)
if ms3d_material.texture:
blender_material.ms3d.texture = ms3d_material.texture
if ms3d_material.alphamap:
blender_material.ms3d.alphamap = ms3d_material.alphamap
ms3d_comment = ms3d_material.comment_object
if ms3d_comment is not None:
blender_material.ms3d.comment = ms3d_comment.comment
# blender datas
blender_material.ambient = (
(ms3d_material.ambient[0]
+ ms3d_material.ambient[1]
+ ms3d_material.ambient[2]) / 3.0)
blender_material.diffuse_color[0] = ms3d_material.diffuse[0]
blender_material.diffuse_color[1] = ms3d_material.diffuse[1]
blender_material.diffuse_color[2] = ms3d_material.diffuse[2]
blender_material.specular_color[0] = ms3d_material.specular[0]
blender_material.specular_color[1] = ms3d_material.specular[1]
blender_material.specular_color[2] = ms3d_material.specular[2]
blender_material.emit = (
(ms3d_material.emissive[0]
+ ms3d_material.emissive[1]
+ ms3d_material.emissive[2]) / 3.0)
blender_material.specular_hardness = ms3d_material.shininess * 4.0
blender_material.alpha = 1.0 - ms3d_material.transparency
# diffuse texture
if ms3d_material.texture:
dir_name_diffuse = self.directory_name
file_name_diffuse = path.split(ms3d_material.texture)[1]
blender_image_diffuse = load_image(
file_name_diffuse, dir_name_diffuse)
blender_texture_diffuse = \
blender_context.blend_data.textures.new(
name=file_name_diffuse, type='IMAGE')
blender_texture_diffuse.image = blender_image_diffuse
blender_texture_slot_diffuse \
= blender_material.texture_slots.add()
blender_texture_slot_diffuse.texture = blender_texture_diffuse
blender_texture_slot_diffuse.texture_coords = 'UV'
blender_texture_slot_diffuse.uv_layer = layer_uv.name
blender_texture_slot_diffuse.use_map_color_diffuse = True
blender_texture_slot_diffuse.use_map_alpha = False
if blender_image_diffuse is not None:
self.has_textures = True
else:
blender_image_diffuse = None
# alpha texture
if ms3d_material.alphamap:
dir_name_alpha = self.directory_name
file_name_alpha = path.split(ms3d_material.alphamap)[1]
blender_image_alpha = load_image(
file_name_alpha, dir_name_alpha)
blender_texture_alpha = blender_context.blend_data.textures.new(
name=file_name_alpha, type='IMAGE')
blender_texture_alpha.image = blender_image_alpha
blender_texture_slot_alpha \
= blender_material.texture_slots.add()
blender_texture_slot_alpha.texture = blender_texture_alpha
blender_texture_slot_alpha.texture_coords = 'UV'
blender_texture_slot_alpha.uv_layer = layer_uv.name
blender_texture_slot_alpha.use_map_color_diffuse = False
blender_texture_slot_alpha.use_map_alpha = True
blender_texture_slot_alpha.use_rgb_to_intensity = True
blender_material.alpha = 0
blender_material.specular_alpha = 0
# append blender material to blender mesh, to be linked to
blender_mesh.materials.append(blender_material)
# translation dictionary
ms3d_to_blender_material[ms3d_material_index] \
= blender_image_diffuse
##########################
# BMesh stuff:
# create all triangles
length_verts = len(bm.verts)
vertex_extra_index = length_verts
blender_invalide_normal = Vector()
smoothing_group_blender_faces = {}
for ms3d_triangle_index, ms3d_triangle in enumerate(
ms3d_model.triangles):
bmv_list = []
bmf_normal = Vector()
for index, vert_index in enumerate(ms3d_triangle.vertex_indices):
if vert_index < 0 or vert_index >= length_verts:
continue
bmv = bm.verts[vert_index]
blender_normal = self.geometry_correction(
ms3d_triangle.vertex_normals[index])
if bmv.normal == blender_invalide_normal:
bmv.normal = blender_normal
elif bmv.normal != blender_normal \
and self.options_use_extended_normal_handling:
## search for an already created extra vertex
bmv_new = None
for vert_index_candidat in range(
vertex_extra_index, length_verts):
bmv_candidat = bm.verts[vert_index_candidat]
if bmv_candidat.co == bmv.co \
and bmv_candidat.normal == blender_normal:
bmv_new = bmv_candidat
vert_index = vert_index_candidat
break
## if not exists, create one in blender and ms3d as well
if bmv_new is None:
ms3d_model.vertices.append(
ms3d_model.vertices[vert_index])
bmv_new = bm.verts.new(bmv.co)
bmv_new.normal = blender_normal
bmv_new[layer_extra] = bmv[layer_extra]
vert_index = length_verts
length_verts += 1
if self.report and self.options_verbose in Ms3dUi.VERBOSE_NORMAL:
self.report({'WARNING', 'INFO'},
ms3d_str['WARNING_IMPORT_EXTRA_VERTEX_NORMAL'].format(
bmv.normal, blender_normal))
bmv = bmv_new
if [[x] for x in bmv_list if x == bmv]:
if self.report and self.options_verbose in Ms3dUi.VERBOSE_NORMAL:
self.report(
{'WARNING', 'INFO'},
ms3d_str['WARNING_IMPORT_SKIP_VERTEX_DOUBLE'].format(
ms3d_triangle_index))
continue
bmv_list.append(bmv)
bmf_normal += bmv.normal
if len(bmv_list) < 3:
if self.report and self.options_verbose in Ms3dUi.VERBOSE_NORMAL:
self.report(
{'WARNING', 'INFO'},
ms3d_str['WARNING_IMPORT_SKIP_LESS_VERTICES'].format(
ms3d_triangle_index))
continue
bmf_normal.normalize()
bmf = bm.faces.get(bmv_list)
if bmf is not None:
if self.report and self.options_verbose in Ms3dUi.VERBOSE_NORMAL:
self.report(
{'WARNING', 'INFO'},
ms3d_str['WARNING_IMPORT_SKIP_FACE_DOUBLE'].format(
ms3d_triangle_index))
continue
bmf = bm.faces.new(bmv_list)
bmf.normal = bmf_normal
# blender uv custom data per "face vertex"
bmf.loops[0][layer_uv].uv = Vector(
(ms3d_triangle.s[0], 1.0 - ms3d_triangle.t[0]))
bmf.loops[1][layer_uv].uv = Vector(
(ms3d_triangle.s[1], 1.0 - ms3d_triangle.t[1]))
bmf.loops[2][layer_uv].uv = Vector(
(ms3d_triangle.s[2], 1.0 - ms3d_triangle.t[2]))
# ms3d custom data per "mesh face"
bmf[layer_smoothing_group] = ms3d_triangle.smoothing_group
blender_group_id = ms3d_to_blender_group_index.get(
ms3d_triangle.group_index)
if blender_group_id is not None:
bmf[layer_group] = blender_group_id
if ms3d_triangle.group_index >= 0 \
and ms3d_triangle.group_index < len(ms3d_model.groups):
ms3d_material_index \
= ms3d_model.groups[ms3d_triangle.group_index].material_index
if ms3d_material_index != Ms3dSpec.NONE_GROUP_MATERIAL_INDEX:
bmf.material_index = ms3d_material_index
# apply diffuse texture image to face, to be visible in 3d view
bmf[layer_texture].image = ms3d_to_blender_material.get(
ms3d_material_index)
# helper dictionary for post-processing smoothing_groups
smoothing_group_blender_face = smoothing_group_blender_faces.get(
ms3d_triangle.smoothing_group)
if smoothing_group_blender_face is None:
smoothing_group_blender_face = []
smoothing_group_blender_faces[ms3d_triangle.smoothing_group] \
= smoothing_group_blender_face
smoothing_group_blender_face.append(bmf)
##########################
# BMesh stuff:
# create all sharp edges for blender to make smoothing_groups visible
for ms3d_smoothing_group_index, blender_face_list \
in smoothing_group_blender_faces.items():
edge_dict = {}
for bmf in blender_face_list:
bmf.smooth = True
for bme in bmf.edges:
if edge_dict.get(bme) is None:
edge_dict[bme] = 0
else:
edge_dict[bme] += 1
bme.seam = (edge_dict[bme] == 0)
bme.smooth = (edge_dict[bme] != 0)
##########################
# BMesh stuff:
# finally tranfer BMesh to Mesh
bm.to_mesh(blender_mesh)
bm.free()
#
# end BMesh stuff
####################################################
blender_mesh.validate(self.options_verbose in Ms3dUi.VERBOSE_MAXIMAL)
return blender_mesh_object
def create_geometry(self, blender_context, ms3d_model,
blender_mesh_objects, blender_to_ms3d_bones):
blender_scene = blender_context.scene
blender_to_ms3d_vertices = {}
blender_to_ms3d_triangles = {}
blender_to_ms3d_groups = {}
blender_to_ms3d_materials = {}
for blender_mesh_object in blender_mesh_objects:
blender_mesh = blender_mesh_object.data
ms3d_model._model_ex_object.joint_size = \
blender_mesh.ms3d.joint_size
ms3d_model._model_ex_object.alpha_ref = blender_mesh.ms3d.alpha_ref
ms3d_model._model_ex_object.transparency_mode = \
Ms3dUi.transparency_mode_to_ms3d(
blender_mesh.ms3d.transparency_mode)
if blender_mesh.ms3d.comment:
ms3d_model._comment_object = Ms3dComment(
blender_mesh.ms3d.comment)
##########################
# prepare ms3d groups if available
# works only for exporting active object
##EXPORT_ACTIVE_ONLY:
for ms3d_local_group_index, blender_ms3d_group in enumerate(
blender_mesh.ms3d.groups):
ms3d_group = Ms3dGroup()
ms3d_group.__index = len(ms3d_model._groups)
ms3d_group.name = blender_ms3d_group.name
ms3d_group.flags = Ms3dUi.flags_to_ms3d(
blender_ms3d_group.flags)
if blender_ms3d_group.comment:
ms3d_group._comment_object = Ms3dCommentEx()
ms3d_group._comment_object.comment = \
blender_ms3d_group.comment
ms3d_group._comment_object.index = len(ms3d_model._groups)
ms3d_group.material_index = None # to mark as not set
ms3d_model._groups.append(ms3d_group)
blender_to_ms3d_groups[blender_ms3d_group.id] = ms3d_group
##########################
# i have to use BMesh, because there are several custom data stored.
# BMesh doesn't support quads_convert_to_tris()
# so, i use that very ugly way:
# create a complete copy of mesh and bend object data
# to be able to apply operations to it.
# temporary, create a full heavy copy of the model
# (object, mesh, modifiers)
blender_mesh_temp = blender_mesh_object.data.copy()
blender_mesh_object_temp = blender_mesh_object.copy()
blender_mesh_object_temp.data = blender_mesh_temp
blender_scene.objects.link(blender_mesh_object_temp)
blender_scene.objects.active = blender_mesh_object_temp
# apply transform
if self.options_apply_transform:
matrix_transform = blender_mesh_object_temp.matrix_basis
else:
matrix_transform = 1
# apply modifiers
for modifier in blender_mesh_object_temp.modifiers:
if self.options_apply_modifiers:
# disable only armature modifiers and only,
# when use_animation is enabled
if self.options_use_animation \
and modifier.type in {'ARMATURE', }:
modifier.show_viewport = False
modifier.show_render = False
else:
# disable all modifiers,
# to be able to add and apply triangulate modifier later
modifier.show_viewport = False
modifier.show_render = False
# convert to tris by using the triangulate modifier
blender_mesh_object_temp.modifiers.new("temp", 'TRIANGULATE')
blender_mesh_temp = blender_mesh_object_temp.to_mesh(
blender_scene, True, self.options_apply_modifiers_mode)
enable_edit_mode(True, blender_context)
bm = bmesh.new()
bm.from_mesh(blender_mesh_temp)
layer_texture = bm.faces.layers.tex.get(
ms3d_str['OBJECT_LAYER_TEXTURE'])
if layer_texture is None:
layer_texture = bm.faces.layers.tex.new(
ms3d_str['OBJECT_LAYER_TEXTURE'])
layer_smoothing_group = bm.faces.layers.int.get(
ms3d_str['OBJECT_LAYER_SMOOTHING_GROUP'])
if layer_smoothing_group is None:
layer_smoothing_group = bm.faces.layers.int.new(
ms3d_str['OBJECT_LAYER_SMOOTHING_GROUP'])
layer_group = bm.faces.layers.int.get(
ms3d_str['OBJECT_LAYER_GROUP'])
if layer_group is None:
layer_group = bm.faces.layers.int.new(
ms3d_str['OBJECT_LAYER_GROUP'])
layer_uv = bm.loops.layers.uv.get(ms3d_str['OBJECT_LAYER_UV'])
if layer_uv is None:
if bm.loops.layers.uv:
layer_uv = bm.loops.layers.uv[0]
else:
layer_uv = bm.loops.layers.uv.new(
ms3d_str['OBJECT_LAYER_UV'])
layer_deform = bm.verts.layers.deform.active
layer_extra = bm.verts.layers.int.get(
ms3d_str['OBJECT_LAYER_EXTRA'])
if layer_extra is None:
layer_extra = bm.verts.layers.int.new(
ms3d_str['OBJECT_LAYER_EXTRA'])
##########################
# handle vertices
for bmv in bm.verts:
item = blender_to_ms3d_vertices.get(bmv)
if item is None:
index = len(ms3d_model._vertices)
ms3d_vertex = Ms3dVertex()
ms3d_vertex.__index = index
ms3d_vertex._vertex = self.geometry_correction(
matrix_transform * bmv.co)
if self.options_use_animation and layer_deform:
blender_vertex_group_ids = bmv[layer_deform]
if blender_vertex_group_ids:
bone_weights = {}
for blender_index, blender_weight \
in blender_vertex_group_ids.items():
ms3d_joint = blender_to_ms3d_bones.get(
blender_mesh_object_temp.vertex_groups[\
blender_index].name)
if ms3d_joint:
weight = bone_weights.get(
ms3d_joint.__index)
if not weight:
weight = 0
bone_weights[
ms3d_joint.
__index] = weight + blender_weight
# sort (bone_id: weight) according its weights
# to skip only less important weights in the next pass
bone_weights_sorted = sorted(
bone_weights.items(),
key=lambda item: item[1],
reverse=True)
count = 0
bone_ids = []
weights = []
for ms3d_index, blender_weight \
in bone_weights_sorted:
if count == 0:
ms3d_vertex.bone_id = ms3d_index
weights.append(blender_weight)
elif count == 1:
bone_ids.append(ms3d_index)
weights.append(blender_weight)
elif count == 2:
bone_ids.append(ms3d_index)
weights.append(blender_weight)
elif count == 3:
bone_ids.append(ms3d_index)
if self.report and self.options_verbose in Ms3dUi.VERBOSE_NORMAL:
self.report(
{'WARNING', 'INFO'}, ms3d_str[
'WARNING_EXPORT_SKIP_WEIGHT'])
else:
# only first three weights will be supported / four bones
if self.report and self.options_verbose in Ms3dUi.VERBOSE_NORMAL:
self.report({
'WARNING', 'INFO'
}, ms3d_str[
'WARNING_EXPORT_SKIP_WEIGHT_EX'])
break
count += 1
# normalize weights to 100%
if self.options_normalize_weights:
weight_sum = 0.0
for weight in weights:
weight_sum += weight
if weight_sum > 0.0:
weight_normalize = 1.0 / weight_sum
else:
weight_normalize = 1.0
weight_sum = 100
for index, weight in enumerate(weights):
if index >= count - 1 or index >= 2:
# take the full rest instead of calculate,
# that should fill up to exactly 100%
# (in some cases it is only 99% bacaus of roulding errors)
weights[index] = int(weight_sum)
break
normalized_weight = int(
weight * weight_normalize * 100)
weights[index] = normalized_weight
weight_sum -= normalized_weight
# fill up missing values
while len(bone_ids) < 3:
bone_ids.append(
Ms3dSpec.DEFAULT_VERTEX_BONE_ID)
while len(weights) < 3:
weights.append(0)
ms3d_vertex._vertex_ex_object._bone_ids = \
tuple(bone_ids)
ms3d_vertex._vertex_ex_object._weights = \
tuple(weights)
if layer_extra:
#ms3d_vertex._vertex_ex_object.extra = bmv[layer_extra]
# bm.verts.layers.int does only support signed int32
# convert signed int32 to unsigned int32 (little-endian)
signed_int32 = bmv[layer_extra]
bytes_int32 = signed_int32.to_bytes(4,
byteorder='little',
signed=True)
unsigned_int32 = int.from_bytes(bytes_int32,
byteorder='little',
signed=False)
ms3d_vertex._vertex_ex_object.extra = unsigned_int32
ms3d_model._vertices.append(ms3d_vertex)
blender_to_ms3d_vertices[bmv] = ms3d_vertex
##########################
# handle faces / tris
for bmf in bm.faces:
item = blender_to_ms3d_triangles.get(bmf)
if item is None:
index = len(ms3d_model._triangles)
ms3d_triangle = Ms3dTriangle()
ms3d_triangle.__index = index
bmv0 = bmf.verts[0]
bmv1 = bmf.verts[1]
bmv2 = bmf.verts[2]
ms3d_vertex0 = blender_to_ms3d_vertices[bmv0]
ms3d_vertex1 = blender_to_ms3d_vertices[bmv1]
ms3d_vertex2 = blender_to_ms3d_vertices[bmv2]
ms3d_vertex0.reference_count += 1
ms3d_vertex1.reference_count += 1
ms3d_vertex2.reference_count += 1
ms3d_triangle._vertex_indices = (
ms3d_vertex0.__index,
ms3d_vertex1.__index,
ms3d_vertex2.__index,
)
ms3d_triangle._vertex_normals = (
self.geometry_correction(bmv0.normal),
self.geometry_correction(bmv1.normal),
self.geometry_correction(bmv2.normal),
)
ms3d_triangle._s = (
bmf.loops[0][layer_uv].uv.x,
bmf.loops[1][layer_uv].uv.x,
bmf.loops[2][layer_uv].uv.x,
)
ms3d_triangle._t = (
1.0 - bmf.loops[0][layer_uv].uv.y,
1.0 - bmf.loops[1][layer_uv].uv.y,
1.0 - bmf.loops[2][layer_uv].uv.y,
)
ms3d_triangle.smoothing_group = bmf[layer_smoothing_group]
ms3d_model._triangles.append(ms3d_triangle)
ms3d_material = self.get_ms3d_material_add_if(
blender_mesh, ms3d_model, blender_to_ms3d_materials,
bmf.material_index)
ms3d_group = blender_to_ms3d_groups.get(bmf[layer_group])
##EXPORT_ACTIVE_ONLY:
if ms3d_group is not None:
if ms3d_material is None:
ms3d_group.material_index = \
Ms3dSpec.DEFAULT_GROUP_MATERIAL_INDEX
else:
if ms3d_group.material_index is None:
ms3d_group.material_index = \
ms3d_material.__index
else:
if ms3d_group.material_index != \
ms3d_material.__index:
ms3d_group = \
self.get_ms3d_group_by_material_add_if(
ms3d_model, ms3d_material)
else:
if ms3d_material is not None:
ms3d_group = self.get_ms3d_group_by_material_add_if(
ms3d_model, ms3d_material)
else:
ms3d_group = self.get_ms3d_group_default_material_add_if(
ms3d_model)
if ms3d_group is not None:
ms3d_group._triangle_indices.append(
ms3d_triangle.__index)
ms3d_triangle.group_index = ms3d_group.__index
blender_to_ms3d_triangles[bmf] = ms3d_triangle
if bm is not None:
bm.free()
enable_edit_mode(False, blender_context)
##########################
# remove the temporary data
blender_scene.objects.unlink(blender_mesh_object_temp)
if blender_mesh_temp is not None:
blender_mesh_temp.user_clear()
blender_context.blend_data.meshes.remove(blender_mesh_temp)
blender_mesh_temp = None
if blender_mesh_object_temp is not None:
blender_mesh_temp = blender_mesh_object_temp.data.user_clear()
blender_mesh_object_temp.user_clear()
blender_context.blend_data.objects.remove(
blender_mesh_object_temp)
if blender_mesh_temp is not None:
blender_mesh_temp.user_clear()
blender_context.blend_data.meshes.remove(blender_mesh_temp)
def create_geometry(self, blender_context, ms3d_model, blender_mesh_objects, blender_to_ms3d_bones):
blender_scene = blender_context.scene
blender_to_ms3d_vertices = {}
blender_to_ms3d_triangles = {}
blender_to_ms3d_groups = {}
blender_to_ms3d_materials = {}
for blender_mesh_object in blender_mesh_objects:
blender_mesh = blender_mesh_object.data
ms3d_model._model_ex_object.joint_size = \
blender_mesh.ms3d.joint_size
ms3d_model._model_ex_object.alpha_ref = blender_mesh.ms3d.alpha_ref
ms3d_model._model_ex_object.transparency_mode = \
Ms3dUi.transparency_mode_to_ms3d(
blender_mesh.ms3d.transparency_mode)
if blender_mesh.ms3d.comment:
ms3d_model._comment_object = Ms3dComment(blender_mesh.ms3d.comment)
##########################
# prepare ms3d groups if available
# works only for exporting active object
##EXPORT_ACTIVE_ONLY:
for ms3d_local_group_index, blender_ms3d_group in enumerate(
blender_mesh.ms3d.groups):
ms3d_group = Ms3dGroup()
ms3d_group.__index = len(ms3d_model._groups)
ms3d_group.name = blender_ms3d_group.name
ms3d_group.flags = Ms3dUi.flags_to_ms3d(blender_ms3d_group.flags)
if blender_ms3d_group.comment:
ms3d_group._comment_object = Ms3dCommentEx()
ms3d_group._comment_object.comment = \
blender_ms3d_group.comment
ms3d_group._comment_object.index = len(ms3d_model._groups)
ms3d_group.material_index = None # to mark as not setted
ms3d_model._groups.append(ms3d_group)
blender_to_ms3d_groups[blender_ms3d_group.id] = ms3d_group
##########################
# i have to use BMesh, because there are several custom data stored.
# BMesh doesn't support quads_convert_to_tris()
# so, i use that very ugly way:
# create a complete copy of mesh and bend object data
# to be able to apply operations to it.
# temporary, create a full heavy copy of the model
# (object, mesh, modifiers)
blender_mesh_temp = blender_mesh_object.data.copy()
blender_mesh_object_temp = blender_mesh_object.copy()
blender_mesh_object_temp.data = blender_mesh_temp
blender_scene.objects.link(blender_mesh_object_temp)
blender_scene.objects.active = blender_mesh_object_temp
# apply transform
if self.options_apply_transform:
matrix_transform = blender_mesh_object_temp.matrix_basis
else:
matrix_transform = 1
# apply modifiers
for modifier in blender_mesh_object_temp.modifiers:
if self.options_apply_modifiers:
# disable only armature modifiers and only,
# when use_animation is enabled
if self.options_use_animation \
and modifier.type in {'ARMATURE', }:
modifier.show_viewport = False
modifier.show_render = False
else:
# disable all modifiers,
# to be able to add and apply triangulate modifier later
modifier.show_viewport = False
modifier.show_render = False
# convert to tris by using the triangulate modifier
blender_mesh_object_temp.modifiers.new("temp", 'TRIANGULATE')
blender_mesh_temp = blender_mesh_object_temp.to_mesh(
blender_scene,
True,
self.options_apply_modifiers_mode)
enable_edit_mode(True, blender_context)
bm = bmesh.new()
bm.from_mesh(blender_mesh_temp)
layer_texture = bm.faces.layers.tex.get(
ms3d_str['OBJECT_LAYER_TEXTURE'])
if layer_texture is None:
layer_texture = bm.faces.layers.tex.new(
ms3d_str['OBJECT_LAYER_TEXTURE'])
layer_smoothing_group = bm.faces.layers.int.get(
ms3d_str['OBJECT_LAYER_SMOOTHING_GROUP'])
if layer_smoothing_group is None:
layer_smoothing_group = bm.faces.layers.int.new(
ms3d_str['OBJECT_LAYER_SMOOTHING_GROUP'])
layer_group = bm.faces.layers.int.get(
ms3d_str['OBJECT_LAYER_GROUP'])
if layer_group is None:
layer_group = bm.faces.layers.int.new(
ms3d_str['OBJECT_LAYER_GROUP'])
layer_uv = bm.loops.layers.uv.get(ms3d_str['OBJECT_LAYER_UV'])
if layer_uv is None:
if bm.loops.layers.uv:
layer_uv = bm.loops.layers.uv[0]
else:
layer_uv = bm.loops.layers.uv.new(
ms3d_str['OBJECT_LAYER_UV'])
layer_deform = bm.verts.layers.deform.active
layer_extra = bm.verts.layers.int.get(ms3d_str['OBJECT_LAYER_EXTRA'])
if layer_extra is None:
layer_extra = bm.verts.layers.int.new(
ms3d_str['OBJECT_LAYER_EXTRA'])
##########################
# handle vertices
for bmv in bm.verts:
item = blender_to_ms3d_vertices.get(bmv)
if item is None:
index = len(ms3d_model._vertices)
ms3d_vertex = Ms3dVertex()
ms3d_vertex.__index = index
ms3d_vertex._vertex = self.geometry_correction(
matrix_transform * bmv.co)
if self.options_use_animation and layer_deform:
blender_vertex_group_ids = bmv[layer_deform]
if blender_vertex_group_ids:
bone_weights = {}
for blender_index, blender_weight \
in blender_vertex_group_ids.items():
ms3d_joint = blender_to_ms3d_bones.get(
blender_mesh_object_temp.vertex_groups[\
blender_index].name)
if ms3d_joint:
weight = bone_weights.get(ms3d_joint.__index)
if not weight:
weight = 0
bone_weights[ms3d_joint.__index] = weight + blender_weight
# sort (bone_id: weight) according its weights
# to skip only less important weights in the next pass
bone_weights_sorted = sorted(bone_weights.items(), key=lambda item: item[1], reverse=True)
count = 0
bone_ids = []
weights = []
for ms3d_index, blender_weight \
in bone_weights_sorted:
if count == 0:
ms3d_vertex.bone_id = ms3d_index
weights.append(blender_weight)
elif count == 1:
bone_ids.append(ms3d_index)
weights.append(blender_weight)
elif count == 2:
bone_ids.append(ms3d_index)
weights.append(blender_weight)
elif count == 3:
bone_ids.append(ms3d_index)
if self.report and self.options_verbose in Ms3dUi.VERBOSE_NORMAL:
self.report(
{'WARNING', 'INFO'},
ms3d_str['WARNING_EXPORT_SKIP_WEIGHT'])
else:
# only first three weights will be supported / four bones
if self.report and self.options_verbose in Ms3dUi.VERBOSE_NORMAL:
self.report(
{'WARNING', 'INFO'},
ms3d_str['WARNING_EXPORT_SKIP_WEIGHT_EX'])
break
count += 1
# normalize weights to 100%
if self.options_normalize_weights:
weight_sum = 0.0
for weight in weights:
weight_sum += weight
if weight_sum > 0.0:
weight_normalize = 1.0 / weight_sum
else:
weight_normalize = 1.0
weight_sum = 100
for index, weight in enumerate(weights):
if index >= count-1 or index >= 2:
# take the full rest instead of calculate,
# that should fill up to exactly 100%
# (in some cases it is only 99% bacaus of roulding errors)
weights[index] = int(weight_sum)
break
normalized_weight = int(weight * weight_normalize * 100)
weights[index] = normalized_weight
weight_sum -= normalized_weight
# fill up missing values
while len(bone_ids) < 3:
bone_ids.append(Ms3dSpec.DEFAULT_VERTEX_BONE_ID)
while len(weights) < 3:
weights.append(0)
ms3d_vertex._vertex_ex_object._bone_ids = \
tuple(bone_ids)
ms3d_vertex._vertex_ex_object._weights = \
tuple(weights)
if layer_extra:
#ms3d_vertex._vertex_ex_object.extra = bmv[layer_extra]
# bm.verts.layers.int does only support signed int32
# convert signed int32 to unsigned int32 (little-endian)
signed_int32 = bmv[layer_extra]
bytes_int32 = signed_int32.to_bytes(
4, byteorder='little', signed=True)
unsigned_int32 = int.from_bytes(
bytes_int32, byteorder='little', signed=False)
ms3d_vertex._vertex_ex_object.extra = unsigned_int32
ms3d_model._vertices.append(ms3d_vertex)
blender_to_ms3d_vertices[bmv] = ms3d_vertex
##########################
# handle faces / tris
for bmf in bm.faces:
item = blender_to_ms3d_triangles.get(bmf)
if item is None:
index = len(ms3d_model._triangles)
ms3d_triangle = Ms3dTriangle()
ms3d_triangle.__index = index
bmv0 = bmf.verts[0]
bmv1 = bmf.verts[1]
bmv2 = bmf.verts[2]
ms3d_vertex0 = blender_to_ms3d_vertices[bmv0]
ms3d_vertex1 = blender_to_ms3d_vertices[bmv1]
ms3d_vertex2 = blender_to_ms3d_vertices[bmv2]
ms3d_vertex0.reference_count += 1
ms3d_vertex1.reference_count += 1
ms3d_vertex2.reference_count += 1
ms3d_triangle._vertex_indices = (
ms3d_vertex0.__index,
ms3d_vertex1.__index,
ms3d_vertex2.__index,
)
ms3d_triangle._vertex_normals = (
self.geometry_correction(bmv0.normal),
self.geometry_correction(bmv1.normal),
self.geometry_correction(bmv2.normal),
)
ms3d_triangle._s = (
bmf.loops[0][layer_uv].uv.x,
bmf.loops[1][layer_uv].uv.x,
bmf.loops[2][layer_uv].uv.x,
)
ms3d_triangle._t = (
1.0 - bmf.loops[0][layer_uv].uv.y,
1.0 - bmf.loops[1][layer_uv].uv.y,
1.0 - bmf.loops[2][layer_uv].uv.y,
)
ms3d_triangle.smoothing_group = bmf[layer_smoothing_group]
ms3d_model._triangles.append(ms3d_triangle)
ms3d_material = self.get_ms3d_material_add_if(
blender_mesh, ms3d_model,
blender_to_ms3d_materials, bmf.material_index)
ms3d_group = blender_to_ms3d_groups.get(bmf[layer_group])
##EXPORT_ACTIVE_ONLY:
if ms3d_group is not None:
if ms3d_material is None:
ms3d_group.material_index = \
Ms3dSpec.DEFAULT_GROUP_MATERIAL_INDEX
else:
if ms3d_group.material_index is None:
ms3d_group.material_index = \
ms3d_material.__index
else:
if ms3d_group.material_index != \
ms3d_material.__index:
ms3d_group = \
self.get_ms3d_group_by_material_add_if(
ms3d_model, ms3d_material)
else:
if ms3d_material is not None:
ms3d_group = self.get_ms3d_group_by_material_add_if(
ms3d_model, ms3d_material)
else:
ms3d_group = self.get_ms3d_group_default_material_add_if(
ms3d_model)
if ms3d_group is not None:
ms3d_group._triangle_indices.append(
ms3d_triangle.__index)
ms3d_triangle.group_index = ms3d_group.__index
blender_to_ms3d_triangles[bmf] = ms3d_triangle
if bm is not None:
bm.free()
enable_edit_mode(False, blender_context)
##########################
# remove the temporary data
blender_scene.objects.unlink(blender_mesh_object_temp)
if blender_mesh_temp is not None:
blender_mesh_temp.user_clear()
blender_context.blend_data.meshes.remove(blender_mesh_temp)
blender_mesh_temp = None
if blender_mesh_object_temp is not None:
blender_mesh_temp = blender_mesh_object_temp.data.user_clear()
blender_mesh_object_temp.user_clear()
blender_context.blend_data.objects.remove(
blender_mesh_object_temp)
if blender_mesh_temp is not None:
blender_mesh_temp.user_clear()
blender_context.blend_data.meshes.remove(blender_mesh_temp)
def create_geometry(self, blender_context, ms3d_model, blender_mesh_objects, blender_to_ms3d_bones):
blender_scene = blender_context.scene
blender_to_ms3d_vertices = {}
blender_to_ms3d_triangles = {}
blender_to_ms3d_groups = {}
blender_to_ms3d_materials = {}
for blender_mesh_object in blender_mesh_objects:
blender_mesh = blender_mesh_object.data
##########################
# prepare ms3d groups if available
# works only for exporting active object
##EXPORT_ACTIVE_ONLY:
for ms3d_local_group_index, blender_ms3d_group in enumerate(blender_mesh.ms3d.groups):
ms3d_group = Ms3dGroup()
ms3d_group.__index = len(ms3d_model._groups)
ms3d_group.name = blender_ms3d_group.name
ms3d_group.flags = Ms3dUi.flags_to_ms3d(blender_ms3d_group.flags)
if blender_ms3d_group.comment:
ms3d_group._comment_object = Ms3dCommentEx()
ms3d_group._comment_object.comment = blender_ms3d_group.comment
ms3d_group._comment_object.index = len(ms3d_model._groups)
ms3d_group.material_index = None # to mark as not setted
ms3d_model._groups.append(ms3d_group)
blender_to_ms3d_groups[blender_ms3d_group.id] = ms3d_group
##########################
# i have to use BMesh, because there are several custom data stored.
# BMesh doesn't support quads_convert_to_tris()
# so, i use that very ugly way:
# create a complete copy of mesh and bend object data
# to be able to apply operations to it.
# get a temporary mesh with applied modifiers
if self.options.prop_apply_modifier:
blender_mesh_temp = blender_mesh_object.to_mesh(
blender_scene, self.options.prop_apply_modifier, self.options.prop_apply_modifier_mode
)
else:
blender_mesh_temp = blender_mesh_object.data.copy()
# assign temporary mesh as new object data
blender_mesh_object.data = blender_mesh_temp
# convert to tris
enable_edit_mode(True)
select_all(True)
if ops.mesh.quads_convert_to_tris.poll():
ops.mesh.quads_convert_to_tris()
enable_edit_mode(False)
enable_edit_mode(True)
bm = bmesh.from_edit_mesh(blender_mesh_temp)
layer_texture = bm.faces.layers.tex.get(ms3d_str["OBJECT_LAYER_TEXTURE"])
if layer_texture is None:
layer_texture = bm.faces.layers.tex.new(ms3d_str["OBJECT_LAYER_TEXTURE"])
layer_smoothing_group = bm.faces.layers.int.get(ms3d_str["OBJECT_LAYER_SMOOTHING_GROUP"])
if layer_smoothing_group is None:
layer_smoothing_group = bm.faces.layers.int.new(ms3d_str["OBJECT_LAYER_SMOOTHING_GROUP"])
layer_group = bm.faces.layers.int.get(ms3d_str["OBJECT_LAYER_GROUP"])
if layer_group is None:
layer_group = bm.faces.layers.int.new(ms3d_str["OBJECT_LAYER_GROUP"])
layer_uv = bm.loops.layers.uv.get(ms3d_str["OBJECT_LAYER_UV"])
if layer_uv is None:
if bm.loops.layers.uv:
layer_uv = bm.loops.layers.uv[0]
else:
layer_uv = bm.loops.layers.uv.new(ms3d_str["OBJECT_LAYER_UV"])
layer_deform = bm.verts.layers.deform.active
##########################
# handle vertices
for bmv in bm.verts:
item = blender_to_ms3d_vertices.get(bmv)
if item is None:
index = len(ms3d_model._vertices)
ms3d_vertex = Ms3dVertex()
ms3d_vertex.__index = index
ms3d_vertex._vertex = (
self.matrix_scaled_coordination_system * (bmv.co + blender_mesh_object.location)
)[:]
if layer_deform:
blender_vertex_group_ids = bmv[layer_deform]
if blender_vertex_group_ids:
temp_weight = 0
count = 0
for blender_index, blender_weight in blender_vertex_group_ids.items():
ms3d_joint = blender_to_ms3d_bones.get(
blender_mesh_object.vertex_groups[blender_index].name
)
if ms3d_joint:
if count == 0:
ms3d_vertex.bone_id = ms3d_joint.__index
temp_weight = blender_weight
elif count == 1:
ms3d_vertex._vertex_ex_object.bone_ids[0] = ms3d_joint.__index
ms3d_vertex._vertex_ex_object.weights[0] = temp_weight * 100
ms3d_vertex._vertex_ex_object.weights[1] = blender_weight * 100
elif count == 2:
ms3d_vertex._vertex_ex_object.bone_ids[1] = ms3d_joint.__index
ms3d_vertex._vertex_ex_object.weights[2] = blender_weight * 100
# elif count == 3:
# ms3d_vertex._vertex_ex_object.bone_ids[2] = ms3d_joint.__index
# only first three weights will be supported
count += 1
if count > 3:
break
ms3d_model._vertices.append(ms3d_vertex)
blender_to_ms3d_vertices[bmv] = ms3d_vertex
##########################
# handle faces / tris
for bmf in bm.faces:
item = blender_to_ms3d_triangles.get(bmf)
if item is None:
index = len(ms3d_model._triangles)
ms3d_triangle = Ms3dTriangle()
ms3d_triangle.__index = index
bmv0 = bmf.verts[0]
bmv1 = bmf.verts[1]
bmv2 = bmf.verts[2]
ms3d_vertex0 = blender_to_ms3d_vertices[bmv0]
ms3d_vertex1 = blender_to_ms3d_vertices[bmv1]
ms3d_vertex2 = blender_to_ms3d_vertices[bmv2]
ms3d_vertex0.reference_count += 1
ms3d_vertex1.reference_count += 1
ms3d_vertex2.reference_count += 1
ms3d_triangle._vertex_indices = (ms3d_vertex0.__index, ms3d_vertex1.__index, ms3d_vertex2.__index)
ms3d_triangle._vertex_normals = (
(self.matrix_coordination_system * bmv0.normal)[:],
(self.matrix_coordination_system * bmv1.normal)[:],
(self.matrix_coordination_system * bmv2.normal)[:],
)
ms3d_triangle._s = (
bmf.loops[0][layer_uv].uv.x,
bmf.loops[1][layer_uv].uv.x,
bmf.loops[2][layer_uv].uv.x,
)
ms3d_triangle._t = (
1.0 - bmf.loops[0][layer_uv].uv.y,
1.0 - bmf.loops[1][layer_uv].uv.y,
1.0 - bmf.loops[2][layer_uv].uv.y,
)
ms3d_triangle.smoothing_group = bmf[layer_smoothing_group]
ms3d_model._triangles.append(ms3d_triangle)
ms3d_material = self.get_ms3d_material_add_if(
blender_mesh, ms3d_model, blender_to_ms3d_materials, bmf.material_index
)
ms3d_group = blender_to_ms3d_groups.get(bmf[layer_group])
##EXPORT_ACTIVE_ONLY:
if ms3d_group is not None:
if ms3d_material is None:
ms3d_group.material_index = Ms3dSpec.DEFAULT_GROUP_MATERIAL_INDEX
else:
if ms3d_group.material_index is None:
ms3d_group.material_index = ms3d_material.__index
else:
if ms3d_group.material_index != ms3d_material.__index:
ms3d_group = self.get_ms3d_group_by_material_add_if(ms3d_model, ms3d_material)
else:
if ms3d_material is not None:
ms3d_group = self.get_ms3d_group_by_material_add_if(ms3d_model, ms3d_material)
else:
ms3d_group = self.get_ms3d_group_default_material_add_if(ms3d_model)
if ms3d_group is not None:
ms3d_group._triangle_indices.append(ms3d_triangle.__index)
ms3d_triangle.group_index = ms3d_group.__index
blender_to_ms3d_triangles[bmf] = ms3d_triangle
if bm is not None:
bm.free()
enable_edit_mode(False)
##########################
# restore original object data
blender_mesh_object.data = blender_mesh
##########################
# remove the temporary data
if blender_mesh_temp is not None:
blender_mesh_temp.user_clear()
blender_context.blend_data.meshes.remove(blender_mesh_temp)
def create_geometry(self, blender_context, ms3d_model):
##########################
# blender stuff:
# create a blender Mesh
blender_mesh = blender_context.blend_data.meshes.new(
ms3d_model.name + ".m")
blender_mesh.ms3d.name = ms3d_model.name
ms3d_comment = ms3d_model.comment_object
if ms3d_comment is not None:
blender_mesh.ms3d.comment = ms3d_comment.comment
ms3d_model_ex = ms3d_model.model_ex_object
if ms3d_model_ex is not None:
blender_mesh.ms3d.joint_size = ms3d_model_ex.joint_size
blender_mesh.ms3d.alpha_ref = ms3d_model_ex.alpha_ref
blender_mesh.ms3d.transparency_mode \
= Ms3dUi.transparency_mode_from_ms3d(
ms3d_model_ex.transparency_mode)
##########################
# blender stuff:
# link to blender object
blender_mesh_object = blender_context.blend_data.objects.new(
ms3d_model.name + ".m", blender_mesh)
##########################
# blender stuff:
# create edge split modifire, to make sharp edges visible
blender_modifier = get_edge_split_modifier_add_if(blender_mesh_object)
##########################
# blender stuff:
# link to blender scene
blender_scene = blender_context.scene
blender_scene.objects.link(blender_mesh_object)
#blender_mesh_object.location = blender_scene.cursor_location
enable_edit_mode(False)
select_all(False)
blender_mesh_object.select = True
blender_scene.objects.active = blender_mesh_object
##########################
# blender stuff:
# create all (ms3d) groups
ms3d_to_blender_group_index = {}
blender_group_manager = blender_mesh.ms3d
for ms3d_group_index, ms3d_group in enumerate(ms3d_model.groups):
blender_group = blender_group_manager.create_group()
blender_group.name = ms3d_group.name
blender_group.flags = Ms3dUi.flags_from_ms3d(ms3d_group.flags)
blender_group.material_index = ms3d_group.material_index
ms3d_comment = ms3d_group.comment_object
if ms3d_comment is not None:
blender_group.comment = ms3d_comment.comment
# translation dictionary
ms3d_to_blender_group_index[ms3d_group_index] = blender_group.id
####################################################
# begin BMesh stuff
#
##########################
# BMesh stuff:
# create an empty BMesh
bm = bmesh.new()
##########################
# BMesh stuff:
# create new Layers for custom data per "mesh face"
layer_texture = bm.faces.layers.tex.get(
ms3d_str['OBJECT_LAYER_TEXTURE'])
if layer_texture is None:
layer_texture = bm.faces.layers.tex.new(
ms3d_str['OBJECT_LAYER_TEXTURE'])
layer_smoothing_group = bm.faces.layers.int.get(
ms3d_str['OBJECT_LAYER_SMOOTHING_GROUP'])
if layer_smoothing_group is None:
layer_smoothing_group = bm.faces.layers.int.new(
ms3d_str['OBJECT_LAYER_SMOOTHING_GROUP'])
layer_group = bm.faces.layers.int.get(
ms3d_str['OBJECT_LAYER_GROUP'])
if layer_group is None:
layer_group = bm.faces.layers.int.new(
ms3d_str['OBJECT_LAYER_GROUP'])
##########################
# BMesh stuff:
# create new Layers for custom data per "face vertex"
layer_uv = bm.loops.layers.uv.get(ms3d_str['OBJECT_LAYER_UV'])
if layer_uv is None:
layer_uv = bm.loops.layers.uv.new(ms3d_str['OBJECT_LAYER_UV'])
##########################
# BMesh stuff:
# create all vertices
for ms3d_vertex_index, ms3d_vertex in enumerate(ms3d_model.vertices):
bmv = bm.verts.new(
self.matrix_scaled_coordination_system
* Vector(ms3d_vertex.vertex))
##########################
# blender stuff (uses BMesh stuff):
# create all materials / image textures
ms3d_to_blender_material = {}
for ms3d_material_index, ms3d_material in enumerate(
ms3d_model.materials):
blender_material = blender_context.blend_data.materials.new(
ms3d_material.name)
# custom datas
blender_material.ms3d.name = ms3d_material.name
blender_material.ms3d.ambient = ms3d_material.ambient
blender_material.ms3d.diffuse = ms3d_material.diffuse
blender_material.ms3d.specular = ms3d_material.specular
blender_material.ms3d.emissive = ms3d_material.emissive
blender_material.ms3d.shininess = ms3d_material.shininess
blender_material.ms3d.transparency = ms3d_material.transparency
blender_material.ms3d.mode = Ms3dUi.texture_mode_from_ms3d(
ms3d_material.mode)
if ms3d_material.texture:
blender_material.ms3d.texture = ms3d_material.texture
if ms3d_material.alphamap:
blender_material.ms3d.alphamap = ms3d_material.alphamap
ms3d_comment = ms3d_material.comment_object
if ms3d_comment is not None:
blender_material.ms3d.comment = ms3d_comment.comment
# blender datas
blender_material.ambient = ((
(ms3d_material.ambient[0]
+ ms3d_material.ambient[1]
+ ms3d_material.ambient[2]) / 3.0)
* ms3d_material.ambient[3])
blender_material.diffuse_color[0] = ms3d_material.diffuse[0]
blender_material.diffuse_color[1] = ms3d_material.diffuse[1]
blender_material.diffuse_color[2] = ms3d_material.diffuse[2]
blender_material.diffuse_intensity = ms3d_material.diffuse[3]
blender_material.specular_color[0] = ms3d_material.specular[0]
blender_material.specular_color[1] = ms3d_material.specular[1]
blender_material.specular_color[2] = ms3d_material.specular[2]
blender_material.specular_intensity = ms3d_material.specular[3]
blender_material.emit = ((
(ms3d_material.emissive[0]
+ ms3d_material.emissive[1]
+ ms3d_material.emissive[2]) / 3.0)
* ms3d_material.emissive[3])
blender_material.specular_hardness = ms3d_material.shininess * 2.0
if (ms3d_material.transparency):
blender_material.use_transparency = True
blender_material.alpha = ms3d_material.transparency
blender_material.specular_alpha = blender_material.alpha
if (blender_material.game_settings):
blender_material.game_settings.use_backface_culling = False
blender_material.game_settings.alpha_blend = 'ALPHA'
# diffuse texture
if ms3d_material.texture:
dir_name_diffuse = self.filepath_splitted[0]
file_name_diffuse = path.split(ms3d_material.texture)[1]
blender_image_diffuse = load_image(
file_name_diffuse, dir_name_diffuse)
blender_texture_diffuse = blender_context.blend_data.textures.new(
name=file_name_diffuse, type='IMAGE')
blender_texture_diffuse.image = blender_image_diffuse
blender_texture_slot_diffuse \
= blender_material.texture_slots.add()
blender_texture_slot_diffuse.texture = blender_texture_diffuse
blender_texture_slot_diffuse.texture_coords = 'UV'
blender_texture_slot_diffuse.uv_layer = layer_uv.name
blender_texture_slot_diffuse.use_map_color_diffuse = True
blender_texture_slot_diffuse.use_map_alpha = False
if blender_image_diffuse is not None:
self.has_textures = True
else:
blender_image_diffuse = None
# alpha texture
if ms3d_material.alphamap:
dir_name_alpha = self.filepath_splitted[0]
file_name_alpha = path.split(ms3d_material.alphamap)[1]
blender_image_alpha = load_image(
file_name_alpha, dir_name_alpha)
blender_texture_alpha = blender_context.blend_data.textures.new(
name=file_name_alpha, type='IMAGE')
blender_texture_alpha.image = blender_image_alpha
blender_texture_slot_alpha \
= blender_material.texture_slots.add()
blender_texture_slot_alpha.texture = blender_texture_alpha
blender_texture_slot_alpha.texture_coords = 'UV'
blender_texture_slot_alpha.uv_layer = layer_uv.name
blender_texture_slot_alpha.use_map_color_diffuse = False
blender_texture_slot_alpha.use_map_alpha = True
blender_texture_slot_alpha.use_rgb_to_intensity = True
blender_material.alpha = 0
blender_material.specular_alpha = 0
# append blender material to blender mesh, to be linked to
blender_mesh.materials.append(blender_material)
# translation dictionary
ms3d_to_blender_material[ms3d_material_index] \
= blender_image_diffuse
##########################
# BMesh stuff:
# create all triangles
smoothing_group_blender_faces = {}
for ms3d_triangle_index, ms3d_triangle in enumerate(
ms3d_model.triangles):
bmv_list = []
for vert_index in ms3d_triangle.vertex_indices:
bmv = bm.verts[vert_index]
if [[x] for x in bmv_list if x == bmv]:
self.options.report(
{'WARNING', 'INFO'},
ms3d_str['WARNING_IMPORT_SKIP_VERTEX_DOUBLE'].format(
ms3d_triangle_index))
continue
bmv_list.append(bmv)
if len(bmv_list) < 3:
self.options.report(
{'WARNING', 'INFO'},
ms3d_str['WARNING_IMPORT_SKIP_LESS_VERTICES'].format(
ms3d_triangle_index))
continue
bmf = bm.faces.get(bmv_list)
if bmf is not None:
self.options.report(
{'WARNING', 'INFO'},
ms3d_str['WARNING_IMPORT_SKIP_FACE_DOUBLE'].format(
ms3d_triangle_index))
continue
bmf = bm.faces.new(bmv_list)
# blender uv custom data per "face vertex"
bmf.loops[0][layer_uv].uv = Vector(
(ms3d_triangle.s[0], 1.0 - ms3d_triangle.t[0]))
bmf.loops[1][layer_uv].uv = Vector(
(ms3d_triangle.s[1], 1.0 - ms3d_triangle.t[1]))
bmf.loops[2][layer_uv].uv = Vector(
(ms3d_triangle.s[2], 1.0 - ms3d_triangle.t[2]))
# ms3d custom data per "mesh face"
bmf[layer_smoothing_group] = ms3d_triangle.smoothing_group
blender_group_id = ms3d_to_blender_group_index.get(
ms3d_triangle.group_index)
if blender_group_id is not None:
bmf[layer_group] = blender_group_id
if ms3d_triangle.group_index >= 0 \
and ms3d_triangle.group_index < len(ms3d_model.groups):
ms3d_material_index \
= ms3d_model.groups[ms3d_triangle.group_index].material_index
if ms3d_material_index != Ms3dSpec.NONE_GROUP_MATERIAL_INDEX:
# BMFace.material_index expects...
# index of material in types.Mesh.materials,
# not index of material in blender_context.blend_data.materials!
bmf.material_index = ms3d_material_index
# apply diffuse texture image to face, to be visible in 3d view
bmf[layer_texture].image = ms3d_to_blender_material.get(
ms3d_material_index)
else:
# set material index to highes possible index
# - in most cases there is no maretial assigned ;)
bmf.material_index = 32766
pass
# helper dictionary for post-processing smoothing_groups
smoothing_group_blender_face = smoothing_group_blender_faces.get(
ms3d_triangle.smoothing_group)
if smoothing_group_blender_face is None:
smoothing_group_blender_face = []
smoothing_group_blender_faces[ms3d_triangle.smoothing_group] \
= smoothing_group_blender_face
smoothing_group_blender_face.append(bmf)
##########################
# BMesh stuff:
# create all sharp edges for blender to make smoothing_groups visible
for ms3d_smoothing_group_index, blender_face_list \
in smoothing_group_blender_faces.items():
edge_dict = {}
for bmf in blender_face_list:
bmf.smooth = True
for bme in bmf.edges:
if edge_dict.get(bme) is None:
edge_dict[bme] = 0
else:
edge_dict[bme] += 1
bme.seam = (edge_dict[bme] == 0)
bme.smooth = (edge_dict[bme] != 0)
##########################
# BMesh stuff:
# finally tranfer BMesh to Mesh
bm.to_mesh(blender_mesh)
bm.free()
#
# end BMesh stuff
####################################################
return blender_mesh_object