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(
"{}.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 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