swig/blender24/pmd_export.py

   1 #!BPY
   2 # coding: utf-8
   3 """
   4  Name: 'MikuMikuDance model (.pmd)...'
   5  Blender: 248
   6  Group: 'Export'
   7  Tooltip: 'Export PMD file for MikuMikuDance.'
   8 """
   9 __author__= ["ousttrue"]
  10 __version__= "1.0"
  11 __url__=()
  12 __bpydoc__="""
  13 0.1 20100318 first implementation.
  14 0.2 20100519 refactoring. use C extension.
  15 1.0 20100530 implement, basic features.
  16 """
  17 import Blender
  18 import os
  19 import sys
  20
  21 from meshio import pmd, englishmap
  22
  23
  24 # ファイルシステムの文字コード
  25 # 改造版との共用のため
  26 FS_ENCODING=sys.getfilesystemencoding()
  27 if os.path.exists(os.path.dirname(sys.argv[0])+"/utf8"):
  28     INTERNAL_ENCODING='utf-8'
  29 else:
  30     INTERNAL_ENCODING=FS_ENCODING
  31
  32
  33 MMD_SHAPE_GROUP_NAME='_MMD_SHAPE'
  34 EXTENSION = u'.pmd'
  35
  36
  37 class Node(object):
  38     __slots__=['o', 'children']
  39     def __init__(self, o):
  40         self.o=o
  41         self.children=[]
  42
  43
  44 ###############################################################################
  45 # Blenderのメッシュをワンスキンメッシュ化する
  46 ###############################################################################
  47 def near(x, y, EPSILON=1e-5):
  48     d=x-y
  49     return d>=-EPSILON and d<=EPSILON
  50
  51
  52 class VertexKey(object):
  53     """
  54     重複頂点の検索キー
  55     """
  56     __slots__=[
  57             'x', 'y', 'z', # 位置
  58             'nx', 'ny', 'nz', # 法線
  59             'u', 'v', # uv
  60             ]
  61
  62     def __init__(self, x, y, z, nx, ny, nz, u, v):
  63         self.x=x
  64         self.y=y
  65         self.z=z
  66         self.nx=nx
  67         self.ny=ny
  68         self.nz=nz
  69         self.u=u
  70         self.v=v
  71
  72     def __str__(self):
  73         return "<vkey: %f, %f, %f, %f, %f, %f, %f, %f>" % (
  74                 self.x, self.y, self.z, self.nx, self.ny, self.nz, self.u, self.v)
  75
  76     def __hash__(self):
  77         #return int((self.x+self.y+self.z+self.nx+self.ny+self.nz+self.u+self.v)*100)
  78         return int((self.x+self.y+self.z)*100)
  79
  80     def __eq__(self, rhs):
  81         #return near(self.x, rhs.x) and near(self.y, rhs.y) and near(self.z, rhs.z) and near(self.nx, rhs.nx) and near(self.ny, rhs.ny) and near(self.nz, rhs.nz) and near(self.u, rhs.u) and near(self.v, rhs.v)
  82         #return near(self.x, rhs.x) and near(self.y, rhs.y) and near(self.z, rhs.z)
  83         return self.x==rhs.x and self.y==rhs.y and self.z==rhs.z
  84
  85
  86 class VertexArray(object):
  87     """
  88     頂点配列
  89     """
  90     def __init__(self):
  91         # マテリアル毎に分割したインデックス配列
  92         self.indexArrays={}
  93         # 頂点属性
  94         self.vertices=[]
  95         self.normals=[]
  96         self.uvs=[]
  97         # skinning属性
  98         self.b0=[]
  99         self.b1=[]
 100         self.weight=[]
 101
 102         self.vertexMap={}
 103         self.indexMap={}
 104
 105     def __str__(self):
 106         return "<VertexArray %d vertices, %d indexArrays>" % (
 107                 len(self.vertices), len(self.indexArrays))
 108
 109     def zip(self):
 110         return zip(
 111                 self.vertices, self.normals, self.uvs,
 112                 self.b0, self.b1, self.weight)
 113
 114     def __getIndex(self, base_index, pos, normal, uv, b0, b1, weight0):
 115         """
 116         頂点属性からその頂点のインデックスを得る
 117         """
 118         key=VertexKey(
 119                 pos[0], pos[1], pos[2],
 120                 normal[0], normal[1], normal[2],
 121                 uv[0], uv[1])
 122         if key in self.vertexMap:
 123             # 同じ頂点を登録済み
 124             index=self.vertexMap[key]
 125         else:
 126             index=len(self.vertices)
 127             # 新規頂点
 128             self.vertexMap[key]=index
 129             # append...
 130             self.vertices.append((pos.x, pos.y, pos.z))
 131             self.normals.append((normal.x, normal.y, normal.z))
 132             self.uvs.append((uv.x, uv.y))
 133             self.b0.append(b0)
 134             self.b1.append(b1)
 135             self.weight.append(weight0)
 136
 137         # indexのマッピングを保存する
 138         if not base_index in self.indexMap:
 139             self.indexMap[base_index]=set()
 140         self.indexMap[base_index].add(index)
 141
 142         assert(index<=65535)
 143         return index
 144
 145     def getMappedIndices(self, base_index):
 146         return self.indexMap[base_index]
 147
 148     def addTriangle(self,
 149             material,
 150             base_index0, base_index1, base_index2,
 151             pos0, pos1, pos2,
 152             n0, n1, n2,
 153             uv0, uv1, uv2,
 154             b0_0, b0_1, b0_2,
 155             b1_0, b1_1, b1_2,
 156             weight0, weight1, weight2
 157             ):
 158         if not material in self.indexArrays:
 159             self.indexArrays[material]=[]
 160
 161         index0=self.__getIndex(base_index0, pos0, n0, uv0, b0_0, b1_0, weight0)
 162         index1=self.__getIndex(base_index1, pos1, n1, uv1, b0_1, b1_1, weight1)
 163         index2=self.__getIndex(base_index2, pos2, n2, uv2, b0_2, b1_2, weight2)
 164
 165         self.indexArrays[material]+=[index0, index1, index2]
 166
 167
 168 class Morph(object):
 169     __slots__=['name', 'type', 'offsets']
 170     def __init__(self, name, type):
 171         self.name=name
 172         self.type=type
 173         self.offsets=[]
 174
 175     def add(self, index, offset):
 176         self.offsets.append((index, offset))
 177
 178     def sort(self):
 179         self.offsets.sort(lambda l, r: l[0]-r[0])
 180
 181     def __str__(self):
 182         return "<Morph %s>" % self.name
 183
 184 class IKSolver(object):
 185     __slots__=['target', 'effector', 'length', 'iterations', 'weight']
 186     def __init__(self, target, effector, length, iterations, weight):
 187         self.target=target
 188         self.effector=effector
 189         self.length=length
 190         self.iterations=iterations
 191         self.weight=weight
 192
 193
 194 class OneSkinMesh(object):
 195     __slots__=['vertexArray', 'morphList']
 196     def __init__(self):
 197         self.vertexArray=VertexArray()
 198         self.morphList=[]
 199
 200     def __str__(self):
 201         return "<OneSkinMesh %s, morph:%d>" % (
 202                 self.vertexArray,
 203                 len(self.morphList))
 204
 205     def addMesh(self, obj):
 206         if obj.restrictDisplay:
 207             # 非表示
 208             return
 209
 210         print("export", obj.name)
 211
 212         ############################################################
 213         # bone weight
 214         ############################################################
 215         mesh=obj.getData(mesh=True)
 216         weightMap={}
 217         secondWeightMap={}
 218         for name in mesh.getVertGroupNames():
 219             for i, w in mesh.getVertsFromGroup(name, 1):
 220                 if w>0:
 221                     if i in weightMap:
 222                         if i in secondWeightMap:
 223                             # 上位２つのweightを採用する
 224                             if w<secondWeightMap[i]:
 225                                 pass
 226                             elif w<weightMap[i]:
 227                                 # ２つ目を入れ替え
 228                                 secondWeightMap[i]=(name, w)
 229                             else:
 230                                 # １つ目を入れ替え
 231                                 weightMap[i]=(name, w)
 232                         else:
 233                             if w>weightMap[i][1]:
 234                                 # 多い方をweightMapに
 235                                 secondWeightMap[i]=weightMap[i]
 236                                 weightMap[i]=(name, w)
 237                             else:
 238                                 secondWeightMap[i]=(name, w)
 239                     else:
 240                         weightMap[i]=(name, w)
 241
 242         # 合計値が1になるようにする
 243         for i in xrange(len(mesh.verts)):
 244         #for i, name_weight in weightMap.items():
 245             if i in secondWeightMap:
 246                 secondWeightMap[i]=(secondWeightMap[i][0], 1.0-weightMap[i][1])
 247             elif i in weightMap:
 248                 weightMap[i]=(weightMap[i][0], 1.0)
 249                 secondWeightMap[i]=("", 0)
 250             else:
 251                 print "no weight vertex"
 252                 weightMap[i]=("", 0)
 253                 secondWeightMap[i]=("", 0)
 254
 255
 256         ############################################################
 257         # faces
 258         # 新たにメッシュを生成する
 259         ############################################################
 260         mesh=Blender.Mesh.New()
 261         # not applied modifiers
 262         mesh.getFromObject(obj.name, 1)
 263         # apply object transform
 264         mesh.transform(obj.getMatrix())
 265         if len(mesh.verts)==0:
 266             return
 267
 268         for face in mesh.faces:
 269             faceVertexCount=len(face.v)
 270             material=mesh.materials[face.mat]
 271             if faceVertexCount==3:
 272                 v0=face.v[0]
 273                 v1=face.v[1]
 274                 v2=face.v[2]
 275                 # triangle
 276                 self.vertexArray.addTriangle(
 277                         material.name,
 278                         v0.index, v1.index, v2.index,
 279                         v0.co, v1.co, v2.co,
 280                         # ToDo vertex normal
 281                         #v0.no, v1.no, v2.no,
 282                         face.no, face.no, face.no,
 283                         face.uv[0], face.uv[1], face.uv[2],
 284                         weightMap[v0.index][0],
 285                         weightMap[v1.index][0],
 286                         weightMap[v2.index][0],
 287                         secondWeightMap[v0.index][0],
 288                         secondWeightMap[v1.index][0],
 289                         secondWeightMap[v2.index][0],
 290                         weightMap[v0.index][1],
 291                         weightMap[v1.index][1],
 292                         weightMap[v2.index][1]
 293                         )
 294             elif faceVertexCount==4:
 295                 v0=face.v[0]
 296                 v1=face.v[1]
 297                 v2=face.v[2]
 298                 v3=face.v[3]
 299                 # quadrangle
 300                 self.vertexArray.addTriangle(
 301                         material.name,
 302                         v0.index, v1.index, v2.index,
 303                         v0.co, v1.co, v2.co,
 304                         #v0.no, v1.no, v2.no,
 305                         face.no, face.no, face.no,
 306                         face.uv[0], face.uv[1], face.uv[2],
 307                         weightMap[v0.index][0],
 308                         weightMap[v1.index][0],
 309                         weightMap[v2.index][0],
 310                         secondWeightMap[v0.index][0],
 311                         secondWeightMap[v1.index][0],
 312                         secondWeightMap[v2.index][0],
 313                         weightMap[v0.index][1],
 314                         weightMap[v1.index][1],
 315                         weightMap[v2.index][1]
 316                         )
 317                 self.vertexArray.addTriangle(
 318                         material.name,
 319                         v2.index, v3.index, v0.index,
 320                         v2.co, v3.co, v0.co,
 321                         #v2.no, v3.no, v0.no,
 322                         face.no, face.no, face.no,
 323                         face.uv[2], face.uv[3], face.uv[0],
 324                         weightMap[v2.index][0],
 325                         weightMap[v3.index][0],
 326                         weightMap[v0.index][0],
 327                         secondWeightMap[v2.index][0],
 328                         secondWeightMap[v3.index][0],
 329                         secondWeightMap[v0.index][0],
 330                         weightMap[v2.index][1],
 331                         weightMap[v3.index][1],
 332                         weightMap[v0.index][1]
 333                         )
 334
 335         ############################################################
 336         # skin
 337         ############################################################
 338         # base
 339         indexRelativeMap={}
 340         blenderMesh=obj.getData(mesh=True)
 341         baseMorph=None
 342         if blenderMesh.key:
 343             for b in blenderMesh.key.blocks:
 344                 if b.name=='Basis':
 345                     print(b.name)
 346                     baseMorph=self.__getOrCreateMorph('base', 0)
 347                     relativeIndex=0
 348                     basis=b
 349                     for index in blenderMesh.getVertsFromGroup(
 350                             MMD_SHAPE_GROUP_NAME):
 351                         v=b.data[index]
 352                         pos=[v[0], v[1], v[2]]
 353                         indices=self.vertexArray.getMappedIndices(index)
 354                         for i in indices:
 355                             baseMorph.add(i, pos)
 356                             indexRelativeMap[i]=relativeIndex
 357                             relativeIndex+=1
 358                     break
 359             print(len(baseMorph.offsets))
 360             baseMorph.sort()
 361             assert(basis)
 362
 363             # shape keys
 364             vg=obj.getData(mesh=True).getVertsFromGroup(
 365                         MMD_SHAPE_GROUP_NAME)
 366             for b in obj.getData(mesh=True).key.blocks:
 367                 if b.name=='Basis':
 368                     continue
 369
 370                 print(b.name)
 371                 morph=self.__getOrCreateMorph(b.name, 4)
 372                 for index, src, dst in zip(
 373                         xrange(len(blenderMesh.verts)),
 374                         basis.data,
 375                         b.data):
 376                     offset=[dst[0]-src[0], dst[1]-src[1], dst[2]-src[2]]
 377                     if index in vg:
 378                         indices=self.vertexArray.getMappedIndices(index)
 379                         for i in indices:
 380                             morph.add(indexRelativeMap[i], offset)
 381                 assert(len(morph.offsets)==len(baseMorph.offsets))
 382
 383         # sort skinmap
 384         original=self.morphList[:]
 385         def getIndex(morph):
 386             for i, v in enumerate(englishmap.skinMap):
 387                 if v[0]==morph.name:
 388                     return i
 389             print(morph)
 390         self.morphList.sort(lambda l, r: getIndex(l)-getIndex(r))
 391
 392     def __getOrCreateMorph(self, name, type):
 393         for m in self.morphList:
 394             if m.name==name:
 395                 return m
 396         m=Morph(name, type)
 397         self.morphList.append(m)
 398         return m
 399
 400     def getVertexCount(self):
 401         return len(self.vertexArray.vertices)
 402
 403
 404 class Bone(object):
 405     __slots__=['index', 'name', 'ik_index',
 406             'pos', 'tail', 'parent_index', 'tail_index', 'type', 'isConnect']
 407     def __init__(self, name, pos, tail):
 408         self.index=-1
 409         self.name=name
 410         self.pos=pos
 411         self.tail=tail
 412         self.parent_index=None
 413         self.tail_index=None
 414         self.type=0
 415         self.isConnect=False
 416         self.ik_index=0
 417
 418     def __eq__(self, rhs):
 419         return self.index==rhs.index
 420
 421     def __str__(self):
 422         return "<Bone %s %d>" % (self.name, self.type)
 423
 424 class BoneBuilder(object):
 425     __slots__=['bones', 'boneMap', 'ik_list']
 426     def __init__(self):
 427         self.bones=[]
 428         self.boneMap={}
 429         self.ik_list=[]
 430
 431     def build(self, armatureObj):
 432         if not armatureObj:
 433             return
 434
 435         print("gather bones")
 436         armature=armatureObj.getData()
 437         for b in armature.bones.values():
 438             if b.name=='center':
 439                 # root bone
 440                 bone=Bone(b.name,
 441                         b.head['ARMATURESPACE'][0:3],
 442                         b.tail['ARMATURESPACE'][0:3])
 443                 self.__addBone(bone)
 444                 self.__getBone(bone, b)
 445
 446         for b in armature.bones.values():
 447             if not b.parent and b.name!='center':
 448                 # root bone
 449                 bone=Bone(b.name,
 450                         b.head['ARMATURESPACE'][0:3],
 451                         b.tail['ARMATURESPACE'][0:3])
 452                 self.__addBone(bone)
 453                 self.__getBone(bone, b)
 454
 455         print("check connection")
 456         for b in armature.bones.values():
 457             if not b.parent:
 458                 self.__checkConnection(b, None)
 459
 460         print("gather ik")
 461         pose = armatureObj.getPose()
 462         cSetting=Blender.Constraint.Settings
 463         for b in pose.bones.values():
 464             for c in b.constraints:
 465                 if c.type==Blender.Constraint.Type.IKSOLVER:
 466                     ####################
 467                     # IK target
 468                     ####################
 469                     assert(c[cSetting.TARGET]==armatureObj)
 470                     target=self.__boneByName(
 471                             c[Blender.Constraint.Settings.BONE])
 472                     target.type=2
 473
 474                     ####################
 475                     # IK effector
 476                     ####################
 477                     # IK 接続先
 478                     link=self.__boneByName(b.name)
 479                     link.type=6
 480
 481                     # IK chain
 482                     e=b.parent
 483                     chainLength=c[cSetting.CHAINLEN]
 484                     for i in range(chainLength):
 485                         # IK影響下
 486                         chainBone=self.__boneByName(e.name)
 487                         chainBone.type=4
 488                         chainBone.ik_index=target.index
 489                         e=e.parent
 490                     self.ik_list.append(
 491                             IKSolver(target, link, chainLength,
 492                                 int(c[cSetting.ITERATIONS] * 0.1),
 493                                 c[cSetting.ROTWEIGHT]
 494                                 ))
 495
 496     def __checkConnection(self, b, p):
 497         if Blender.Armature.CONNECTED in b.options:
 498             parent=self.__boneByName(p.name)
 499             parent.isConnect=True
 500
 501         for c in b.children:
 502             self.__checkConnection(c, b)
 503
 504     def sortBy(self, boneMap):
 505         """
 506         boneMap順に並べ替える
 507         """
 508         original=self.bones[:]
 509         def getIndex(bone):
 510             for i, k_v in enumerate(boneMap):
 511                 if k_v[0]==bone.name:
 512                     return i
 513             print(bone)
 514
 515         self.bones.sort(lambda l, r: getIndex(l)-getIndex(r))
 516         sortMap={}
 517         for i, b in enumerate(self.bones):
 518             src=original.index(b)
 519             sortMap[src]=i
 520         for b in self.bones:
 521             b.index=sortMap[b.index]
 522             if b.parent_index:
 523                 b.parent_index=sortMap[b.parent_index]
 524             if b.tail_index:
 525                 b.tail_index=sortMap[b.tail_index]
 526             if b.ik_index>0:
 527                 b.ik_index=sortMap[b.ik_index]
 528
 529     def getIndex(self, bone):
 530         for i, b in enumerate(self.bones):
 531             if b==bone:
 532                 return i
 533         assert(false)
 534
 535     def indexByName(self, name):
 536         return self.getIndex(self.__boneByName(name))
 537
 538     def __boneByName(self, name):
 539         return self.bones[self.boneMap[name]]
 540
 541     def __getBone(self, parent, b):
 542         if len(b.children)==0:
 543             parent.type=7
 544             return
 545
 546         for i, c in enumerate(b.children):
 547             bone=Bone(c.name,
 548                     c.head['ARMATURESPACE'][0:3],
 549                     c.tail['ARMATURESPACE'][0:3])
 550             self.__addBone(bone)
 551             if parent:
 552                 bone.parent_index=parent.index
 553                 if i==0:
 554                     parent.tail_index=bone.index
 555             self.__getBone(bone, c)
 556
 557     def __addBone(self, bone):
 558         bone.index=len(self.bones)
 559         self.bones.append(bone)
 560         self.boneMap[bone.name]=bone.index
 561
 562
 563 class PmdExporter(object):
 564
 565     def __init__(self):
 566         self.armatureObj=None
 567
 568     def setup(self, scene):
 569         # 木構造を構築する
 570         object_node_map={}
 571         for o in scene.objects:
 572             object_node_map[o]=Node(o)
 573         for node in object_node_map.values():
 574             if node.o.parent:
 575                 object_node_map[node.o.parent].children.append(node)
 576         # ルートを得る
 577         root=object_node_map[scene.objects.active]
 578
 579         # ワンスキンメッシュを作る
 580         self.oneSkinMesh=OneSkinMesh()
 581         self.__createOneSkinMesh(root)
 582         print(self.oneSkinMesh)
 583         self.name=root.o.name
 584
 585         # skeleton
 586         self.builder=BoneBuilder()
 587         self.builder.build(self.armatureObj)
 588         self.builder.sortBy(englishmap.boneMap)
 589         def getIndex(ik):
 590             for i, v in enumerate(englishmap.boneMap):
 591                 if v[0]==ik.target.name:
 592                     return i
 593             return len(englishmap.boneMap)
 594         self.builder.ik_list.sort(lambda l, r: getIndex(l)-getIndex(r))
 595
 596     def __createOneSkinMesh(self, node):
 597         ############################################################
 598         # search armature modifier
 599         ############################################################
 600         for m in node.o.modifiers:
 601             if m.name=="Armature":
 602                 armatureObj=m[Blender.Modifier.Settings.OBJECT]
 603                 if not self.armatureObj:
 604                     self.armatureObj=armatureObj
 605                 elif self.armatureObj!=armatureObj:
 606                     print "warning! found multiple armature. ignored.", armatureObj.name
 607
 608         if node.o.getType()=='Mesh':
 609             self.oneSkinMesh.addMesh(node.o)
 610
 611         for child in node.children:
 612             self.__createOneSkinMesh(child)
 613
 614     def write(self, path):
 615         io=pmd.IO()
 616         io.name=self.name
 617         io.comment="blender export"
 618         io.version=1.0
 619
 620         # 頂点
 621         for pos, normal, uv, b0, b1, weight in self.oneSkinMesh.vertexArray.zip():
 622             # convert right-handed z-up to left-handed y-up
 623             v=io.addVertex()
 624             v.pos.x=pos[0]
 625             v.pos.y=pos[2]
 626             v.pos.z=pos[1]
 627             v.normal.x=normal[0]
 628             v.normal.y=normal[2]
 629             v.normal.z=normal[1]
 630             v.uv.x=uv[0]
 631             v.uv.y=uv[1]
 632             v.bone0=self.builder.boneMap[b0] if b0 in self.builder.boneMap else 0
 633             v.bone1=self.builder.boneMap[b1] if b1 in self.builder.boneMap else 0
 634             v.weight0=int(100*weight)
 635             v.edge_flag=0 # edge flag, 0: enable edge, 1: not edge
 636
 637         # 面とマテリアル
 638         vertexCount=self.oneSkinMesh.getVertexCount()
 639         for m, indices in self.oneSkinMesh.vertexArray.indexArrays.items():
 640             m=Blender.Material.Get(m)
 641             # マテリアル
 642             material=io.addMaterial()
 643             material.diffuse.r=m.R
 644             material.diffuse.g=m.G
 645             material.diffuse.b=m.B
 646             material.diffuse.a=m.alpha
 647             material.sinness=0 if m.spec<1e-5 else m.spec*10
 648             material.specular.r=m.specR
 649             material.specular.g=m.specG
 650             material.specular.b=m.specB
 651             material.ambient.r=m.mirR
 652             material.ambient.g=m.mirG
 653             material.ambient.b=m.mirB
 654             material.vertex_count=len(indices)
 655             material.toon_index=0
 656             material.flag=1 if m.enableSSS else 0
 657             # ToDo
 658             material.texture=""
 659             # 面
 660             for i in indices:
 661                 assert(i<vertexCount)
 662             for i in xrange(0, len(indices), 3):
 663                 # reverse triangle
 664                 io.indices.append(indices[i+2])
 665                 io.indices.append(indices[i+1])
 666                 io.indices.append(indices[i])
 667
 668                 #io.indices.append(indices[i])
 669                 #io.indices.append(indices[i+1])
 670                 #io.indices.append(indices[i+2])
 671
 672         # bones
 673         for b in self.builder.bones:
 674             if b.name.endswith("_t"):
 675                 if b.name.startswith("arm twist1_") or b.name.startswith("arm twist2_"):
 676                     # skip
 677                     print "skip %s" % b.name
 678                     continue
 679
 680             bone=io.addBone()
 681
 682             v=englishmap.getUnicodeBoneName(b.name)
 683             assert(v)
 684             cp932=v[1].encode('cp932')
 685             bone_name="%s" % cp932
 686             assert(len(bone_name)<20)
 687             bone.name=bone_name
 688
 689             bone_english_name="%s" % b.name
 690             assert(len(bone_english_name)<20)
 691             bone.english_name=bone_english_name
 692
 693             if len(v)>=3:
 694                 # has type
 695                 if v[2]==5:
 696                     b.ik_index=self.builder.indexByName('eyes')
 697                 bone.type=v[2]
 698             else:
 699                 bone.type=b.type
 700
 701             # parent index
 702             bone.parent_index=b.parent_index if b.parent_index!=None else 0xFFFF
 703
 704             # tail index
 705             if b.tail_index!=None:
 706                 if bone.type==9:
 707                     bone.tail_index=0
 708                 else:
 709                     bone.tail_index=b.tail_index
 710             else:
 711                 bone.tail_index=0
 712
 713             bone.ik_index=b.ik_index
 714
 715             # convert right-handed z-up to left-handed y-up
 716             bone.pos.x=b.pos[0] if not near(b.pos[0], 0) else 0
 717             bone.pos.y=b.pos[2] if not near(b.pos[2], 0) else 0
 718             bone.pos.z=b.pos[1] if not near(b.pos[1], 0) else 0
 719
 720         # IK
 721         for ik in self.builder.ik_list:
 722             solver=io.addIK()
 723             solver.index=self.builder.getIndex(ik.target)
 724             solver.target=self.builder.getIndex(ik.effector)
 725             solver.length=ik.length
 726             b=self.builder.bones[ik.effector.parent_index]
 727             for i in xrange(solver.length):
 728                 solver.children.append(self.builder.getIndex(b))
 729                 b=self.builder.bones[b.parent_index]
 730             solver.iterations=ik.iterations
 731             solver.weight=ik.weight
 732
 733         # 表情
 734         for i, m in enumerate(self.oneSkinMesh.morphList):
 735             # morph
 736             morph=io.addMorph()
 737
 738             v=englishmap.getUnicodeSkinName(m.name)
 739             assert(v)
 740             cp932=v[1].encode('cp932')
 741             morph.name="%s\n" % cp932
 742
 743             morph.english_name="%s\n" % m.name
 744             m.type=v[2]
 745             morph.type=v[2]
 746             for index, offset in m.offsets:
 747                 # convert right-handed z-up to left-handed y-up
 748                 morph.append(index, offset[0], offset[2], offset[1])
 749             morph.vertex_count=len(m.offsets)
 750
 751         # 表情枠
 752         # type==0はbase
 753         for i, m in enumerate(self.oneSkinMesh.morphList):
 754             if m.type==3:
 755                 io.face_list.append(i)
 756         for i, m in enumerate(self.oneSkinMesh.morphList):
 757             if m.type==2:
 758                 io.face_list.append(i)
 759         for i, m in enumerate(self.oneSkinMesh.morphList):
 760             if m.type==1:
 761                 io.face_list.append(i)
 762         for i, m in enumerate(self.oneSkinMesh.morphList):
 763             if m.type==4:
 764                 io.face_list.append(i)
 765
 766         # ボーン表示枠
 767         def createBoneDisplayName(name, english):
 768             boneDisplayName=io.addBoneDisplayName()
 769             boneDisplayName.name=name.decode('utf-8').encode('cp932')
 770             boneDisplayName.english_name=english
 771         boneDisplayName=createBoneDisplayName("IK\n", "IK\n")
 772         boneDisplayName=createBoneDisplayName("体(上)\n", "Body[u]\n")
 773         boneDisplayName=createBoneDisplayName("髪\n", "Hair\n")
 774         boneDisplayName=createBoneDisplayName("腕\n", "Arms\n")
 775         boneDisplayName=createBoneDisplayName("指\n", "Fingers\n")
 776         boneDisplayName=createBoneDisplayName("体(下)\n", "Body[l]\n")
 777         boneDisplayName=createBoneDisplayName("足\n", "Legs\n")
 778         for i, b in enumerate(self.builder.bones):
 779             if i==0:
 780                 continue
 781             if b.type in [6, 7]:
 782                 continue
 783             io.addBoneDisplay(i, getBoneDisplayGroup(b))
 784
 785         # English
 786         io.english_name="blender export"
 787         io.english_coment="blender export"
 788
 789         for i in range(10):
 790             io.getToonTexture(i).name="toon%02d.bmp\n" % i
 791
 792         # 書き込み
 793         return io.write(path.encode(FS_ENCODING))
 794
 795
 796 def getBoneDisplayGroup(bone):
 797     boneGroups=[
 798             [ # IK
 799                 "necktie IK", "hair IK_L", "hair IK_R", "leg IK_L", "leg IK_R",
 800                 "toe IK_L", "toe IK_R",
 801                 ],
 802             [ # 体(上)
 803                 "upper body", "neck", "head", "eye_L", "eye_R",
 804                 "necktie1", "necktie2", "necktie3", "eyes",
 805                 "eyelight_L", "eyelight_R",
 806                 ],
 807             [ # 髪
 808                 "front hair1", "front hair2", "front hair3",
 809                 "hair1_L", "hair2_L", "hair3_L",
 810                 "hair4_L", "hair5_L", "hair6_L",
 811                 "hair1_R", "hair2_R", "hair3_R",
 812                 "hair4_R", "hair5_R", "hair6_R",
 813                 ],
 814             [ # 腕
 815                 "shoulder_L", "arm_L", "arm twist_L", "elbow_L",
 816                 "wrist twist_L", "wrist_L", "sleeve_L",
 817                 "shoulder_R", "arm_R", "arm twist_R", "elbow_R",
 818                 "wrist twist_R", "wrist_R", "sleeve_R",
 819                 ],
 820             [ # 指
 821                 "thumb1_L", "thumb2_L", "fore1_L", "fore2_L", "fore3_L",
 822                 "middle1_L", "middle2_L", "middle3_L",
 823                 "third1_L", "third2_L", "third3_L",
 824                 "little1_L", "little2_L", "little3_L",
 825                 "thumb1_R", "thumb2_R", "fore1_R", "fore2_R", "fore3_R",
 826                 "middle1_R", "middle2_R", "middle3_R",
 827                 "third1_R", "third2_R", "third3_R",
 828                 "little1_R", "little2_R", "little3_R",
 829                 ],
 830             [ # 体(下)
 831                 "lower body",  "waist accessory",
 832                 "front skirt_L", "back skirt_L",
 833                 "front skirt_R", "back skirt_R",
 834                 ],
 835             [ # 足
 836                 "leg_L", "knee_L", "ankle_L",
 837                 "leg_R", "knee_R", "ankle_R",
 838                 ],
 839             ]
 840     index=1
 841     for g in boneGroups:
 842         if bone.name in g:
 843             return index
 844         index+=1
 845     print(bone)
 846     return -1
 847
 848 def export_pmd(filename):
 849     filename=filename.decode(INTERNAL_ENCODING)
 850
 851     Blender.Window.WaitCursor(1)
 852     t = Blender.sys.time()
 853
 854     if not filename.lower().endswith(EXTENSION):
 855         filename += EXTENSION
 856     print "pmd exporter: %s" % filename
 857
 858     exporter=PmdExporter()
 859
 860     # 情報収集
 861     exporter.setup(Blender.Scene.GetCurrent())
 862
 863     # 出力
 864     exporter.write(filename)
 865
 866     print 'finished in %.2f seconds' % (Blender.sys.time()-t)
 867     Blender.Redraw()
 868     Blender.Window.WaitCursor(0)
 869
 870
 871 Blender.Window.FileSelector(
 872         export_pmd,
 873         'Export Metasequoia PMD',
 874         Blender.sys.makename(ext=EXTENSION))
 875