swig/blender/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__= "1.2"
  11 __url__=()
  12 __bpydoc__="""
  13 pmd Importer
  14
  15 This script exports a pmd model.
  16
  17 0.1 20100318: first implementation.
  18 0.2 20100519: refactoring. use C extension.
  19 1.0 20100530: implement basic features.
  20 1.1 20100612: integrate 2.4 and 2.5.
  21 1.2 20100616: implement rigid body.
  22 1.3 20100619: fix rigid body, bone weight.
  23 1.4 20100626: refactoring.
  24 1.5 20100629: sphere map.
  25 """
  26
  27 MMD_SHAPE_GROUP_NAME='_MMD_SHAPE'
  28 BASE_SHAPE_NAME='Basis'
  29 RIGID_SHAPE_TYPE='rigid_shape_type'
  30 RIGID_PROCESS_TYPE='rigid_process_type'
  31 RIGID_BONE_NAME='rigid_bone_name'
  32 #RIGID_LOCATION='rigid_loation'
  33 RIGID_GROUP='ribid_group'
  34 RIGID_INTERSECTION_GROUP='rigid_intersection_group'
  35 RIGID_WEIGHT='rigid_weight'
  36 RIGID_LINEAR_DAMPING='rigid_linear_damping'
  37 RIGID_ANGULAR_DAMPING='rigid_angular_damping'
  38 RIGID_RESTITUTION='rigid_restitution'
  39 RIGID_FRICTION='rigid_friction'
  40 CONSTRAINT_NAME='constraint_name'
  41 CONSTRAINT_A='const_a'
  42 CONSTRAINT_B='const_b'
  43 CONSTRAINT_POS_MIN='const_pos_min'
  44 CONSTRAINT_POS_MAX='const_pos_max'
  45 CONSTRAINT_ROT_MIN='const_rot_min'
  46 CONSTRAINT_ROT_MAX='const_rot_max'
  47 CONSTRAINT_SPRING_POS='const_spring_pos'
  48 CONSTRAINT_SPRING_ROT='const_spring_rot'
  49
  50
  51 ###############################################################################
  52 # import
  53 ###############################################################################
  54 import os
  55 import sys
  56
  57 # C extension
  58 from meshio import pmd, englishmap
  59
  60 def isBlender24():
  61     return sys.version_info[0]<3
  62
  63 if isBlender24():
  64     # for 2.4
  65     import Blender
  66     from Blender import Mathutils
  67     import bpy
  68
  69     # wrapper
  70     import bl24 as bl
  71
  72     def setMaterialParams(material, m):
  73         # diffuse
  74         material.diffuse.r=m.R
  75         material.diffuse.g=m.G
  76         material.diffuse.b=m.B
  77         material.diffuse.a=m.alpha
  78         # specular
  79         material.sinness=0 if m.spec<1e-5 else m.spec*10
  80         material.specular.r=m.specR
  81         material.specular.g=m.specG
  82         material.specular.b=m.specB
  83         # ambient
  84         material.ambient.r=m.mirR
  85         material.ambient.g=m.mirG
  86         material.ambient.b=m.mirB
  87         # flag
  88         material.flag=1 if m.enableSSS else 0
  89
  90     def toCP932(s):
  91         return s
  92
  93
  94 else:
  95     # for 2.5
  96     import bpy
  97     from bpy.props import *
  98     import mathutils
  99
 100     # wrapper
 101     import bl25 as bl
 102
 103     xrange=range
 104
 105     def setMaterialParams(material, m):
 106         # diffuse
 107         material.diffuse.r=m.diffuse_color[0]
 108         material.diffuse.g=m.diffuse_color[1]
 109         material.diffuse.b=m.diffuse_color[2]
 110         material.diffuse.a=m.alpha
 111         # specular
 112         material.sinness=0 if m.specular_toon_size<1e-5 else m.specular_hardness*10
 113         material.specular.r=m.specular_color[0]
 114         material.specular.g=m.specular_color[1]
 115         material.specular.b=m.specular_color[2]
 116         # ambient
 117         material.ambient.r=m.mirror_color[0]
 118         material.ambient.g=m.mirror_color[1]
 119         material.ambient.b=m.mirror_color[2]
 120         # flag
 121         material.flag=1 if m.subsurface_scattering.enabled else 0
 122
 123     def toCP932(s):
 124         return s.encode('cp932')
 125
 126
 127 class Node(object):
 128     __slots__=['o', 'children']
 129     def __init__(self, o):
 130         self.o=o
 131         self.children=[]
 132
 133
 134 ###############################################################################
 135 # Blenderのメッシュをワンスキンメッシュ化する
 136 ###############################################################################
 137 def near(x, y, EPSILON=1e-5):
 138     d=x-y
 139     return d>=-EPSILON and d<=EPSILON
 140
 141
 142 class VertexKey(object):
 143     """
 144     重複頂点の検索キー
 145     """
 146     __slots__=[
 147             'obj', 'index',
 148             'x', 'y', 'z', # 位置
 149             'nx', 'ny', 'nz', # 法線
 150             'u', 'v', # uv
 151             ]
 152
 153     def __init__(self, obj, index, x, y, z, nx, ny, nz, u, v):
 154         self.obj=obj
 155         self.index=index
 156         self.x=x
 157         self.y=y
 158         self.z=z
 159         self.nx=nx
 160         self.ny=ny
 161         self.nz=nz
 162         self.u=u
 163         self.v=v
 164
 165     def __str__(self):
 166         return "<vkey: %f, %f, %f, %f, %f, %f, %f, %f>" % (
 167                 self.x, self.y, self.z, self.nx, self.ny, self.nz, self.u, self.v)
 168
 169     def __hash__(self):
 170         #return int((self.x+self.y+self.z+self.nx+self.ny+self.nz+self.u+self.v)*100)
 171         return int((self.x+self.y+self.z)*100)
 172
 173     def __eq__(self, rhs):
 174         #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)
 175         #return near(self.x, rhs.x) and near(self.y, rhs.y) and near(self.z, rhs.z)
 176         #return self.x==rhs.x and self.y==rhs.y and self.z==rhs.z
 177         return self.obj==rhs.obj and self.index==rhs.index
 178
 179
 180 class VertexArray(object):
 181     """
 182     頂点配列
 183     """
 184     def __init__(self):
 185         # マテリアル毎に分割したインデックス配列
 186         self.indexArrays={}
 187         # 頂点属性
 188         self.vertices=[]
 189         self.normals=[]
 190         self.uvs=[]
 191         # skinning属性
 192         self.b0=[]
 193         self.b1=[]
 194         self.weight=[]
 195
 196         self.vertexMap={}
 197         self.indexMap={}
 198
 199     def __str__(self):
 200         return "<VertexArray %d vertices, %d indexArrays>" % (
 201                 len(self.vertices), len(self.indexArrays))
 202
 203     def zip(self):
 204         return zip(
 205                 self.vertices, self.normals, self.uvs,
 206                 self.b0, self.b1, self.weight)
 207
 208     def each(self):
 209         keys=[key for key in self.indexArrays.keys()]
 210         keys.sort()
 211         for key in keys:
 212             yield(key, self.indexArrays[key])
 213
 214     def __getIndex(self, obj, base_index, pos, normal, uv, b0, b1, weight0):
 215         """
 216         頂点属性からその頂点のインデックスを得る
 217         """
 218         key=VertexKey(
 219                 obj, base_index,
 220                 pos[0], pos[1], pos[2],
 221                 normal[0], normal[1], normal[2],
 222                 uv[0], uv[1])
 223         if key in self.vertexMap:
 224             # 同じ頂点を登録済み
 225             index=self.vertexMap[key]
 226         else:
 227             index=len(self.vertices)
 228             # 新規頂点
 229             self.vertexMap[key]=index
 230             # append...
 231             self.vertices.append((pos.x, pos.y, pos.z))
 232             self.normals.append((normal.x, normal.y, normal.z))
 233             self.uvs.append((uv[0], uv[1]))
 234             self.b0.append(b0)
 235             self.b1.append(b1)
 236             self.weight.append(weight0)
 237
 238         # indexのマッピングを保存する
 239         if not base_index in self.indexMap:
 240             self.indexMap[base_index]=set()
 241         self.indexMap[base_index].add(index)
 242
 243         assert(index<=65535)
 244         return index
 245
 246     def getMappedIndices(self, base_index):
 247         return self.indexMap[base_index]
 248
 249     def addTriangle(self,
 250             obj, material,
 251             base_index0, base_index1, base_index2,
 252             pos0, pos1, pos2,
 253             n0, n1, n2,
 254             uv0, uv1, uv2,
 255             b0_0, b0_1, b0_2,
 256             b1_0, b1_1, b1_2,
 257             weight0, weight1, weight2
 258             ):
 259         if not material in self.indexArrays:
 260             self.indexArrays[material]=[]
 261
 262         index0=self.__getIndex(obj, base_index0, pos0, n0, uv0, b0_0, b1_0, weight0)
 263         index1=self.__getIndex(obj, base_index1, pos1, n1, uv1, b0_1, b1_1, weight1)
 264         index2=self.__getIndex(obj, base_index2, pos2, n2, uv2, b0_2, b1_2, weight2)
 265
 266         self.indexArrays[material]+=[index0, index1, index2]
 267
 268
 269 class Morph(object):
 270     __slots__=['name', 'type', 'offsets']
 271     def __init__(self, name, type):
 272         self.name=name
 273         self.type=type
 274         self.offsets=[]
 275
 276     def add(self, index, offset):
 277         self.offsets.append((index, offset))
 278
 279     def sort(self):
 280         if isBlender24():
 281             self.offsets.sort(lambda l, r: l[0]-r[0])
 282         else:
 283             self.offsets.sort(key=lambda e: e[0])
 284
 285     def __str__(self):
 286         return "<Morph %s>" % self.name
 287
 288 class IKSolver(object):
 289     __slots__=['target', 'effector', 'length', 'iterations', 'weight']
 290     def __init__(self, target, effector, length, iterations, weight):
 291         self.target=target
 292         self.effector=effector
 293         self.length=length
 294         self.iterations=iterations
 295         self.weight=weight
 296
 297
 298 class OneSkinMesh(object):
 299     __slots__=['obj_index', 'scene', 'vertexArray', 'morphList',
 300             'rigidbodies',
 301             'constraints',
 302             ]
 303     def __init__(self, scene):
 304         self.vertexArray=VertexArray()
 305         self.morphList=[]
 306         self.rigidbodies=[]
 307         self.constraints=[]
 308         self.scene=scene
 309         self.obj_index=0
 310
 311     def __str__(self):
 312         return "<OneSkinMesh %s, morph:%d>" % (
 313                 self.vertexArray,
 314                 len(self.morphList))
 315
 316     def addMesh(self, obj):
 317         if bl.object.isVisible(obj):
 318             # 非表示
 319             return
 320         self.__mesh(obj)
 321         self.__skin(obj)
 322         self.__rigidbody(obj)
 323         self.__constraint(obj)
 324
 325     def __mesh(self, obj):
 326         if isBlender24():
 327             pass
 328         else:
 329             if RIGID_SHAPE_TYPE in obj:
 330                 return
 331             if CONSTRAINT_A in obj:
 332                 return
 333
 334         print("export", obj.name)
 335         mesh=bl.object.getData(obj)
 336         weightMap={}
 337         secondWeightMap={}
 338         def setWeight(i, name, w):
 339             if w>0:
 340                 if i in weightMap:
 341                     if i in secondWeightMap:
 342                         # 上位２つのweightを採用する
 343                         if w<secondWeightMap[i]:
 344                             pass
 345                         elif w<weightMap[i]:
 346                             # ２つ目を入れ替え
 347                             secondWeightMap[i]=(name, w)
 348                         else:
 349                             # １つ目を入れ替え
 350                             weightMap[i]=(name, w)
 351                     else:
 352                         if w>weightMap[i][1]:
 353                             # 多い方をweightMapに
 354                             secondWeightMap[i]=weightMap[i]
 355                             weightMap[i]=(name, w)
 356                         else:
 357                             secondWeightMap[i]=(name, w)
 358                 else:
 359                     weightMap[i]=(name, w)
 360
 361         if isBlender24():
 362             for name in bl.object.getVertexGroupNames(obj):
 363                 for i, w in mesh.getVertsFromGroup(name, 1):
 364                     setWeight(i, name, w)
 365         else:
 366             for i, v in enumerate(mesh.verts):
 367                 for g in v.groups:
 368                     setWeight(i, obj.vertex_groups[g.group].name, g.weight)
 369
 370         # 合計値が1になるようにする
 371         for i in xrange(len(mesh.verts)):
 372         #for i, name_weight in weightMap.items():
 373             if i in secondWeightMap:
 374                 secondWeightMap[i]=(secondWeightMap[i][0], 1.0-weightMap[i][1])
 375             elif i in weightMap:
 376                 weightMap[i]=(weightMap[i][0], 1.0)
 377                 secondWeightMap[i]=("", 0)
 378             else:
 379                 print("no weight vertex")
 380                 weightMap[i]=("", 0)
 381                 secondWeightMap[i]=("", 0)
 382
 383         # メッシュのコピーを生成してオブジェクトの行列を適用する
 384         copyMesh, copyObj=bl.object.duplicate(obj)
 385         if len(copyMesh.verts)==0:
 386             return
 387
 388         for i, face in enumerate(copyMesh.faces):
 389             faceVertexCount=bl.face.getVertexCount(face)
 390             material=copyMesh.materials[bl.face.getMaterialIndex(face)]
 391             v=[copyMesh.verts[index] for index in bl.face.getVertices(face)]
 392             uv=bl.mesh.getFaceUV(copyMesh, i, face)
 393             # flip triangle
 394             if faceVertexCount==3:
 395                 # triangle
 396                 self.vertexArray.addTriangle(
 397                         self.obj_index, material.name,
 398                         v[2].index,
 399                         v[1].index,
 400                         v[0].index,
 401                         v[2].co,
 402                         v[1].co,
 403                         v[0].co,
 404                         # ToDo vertex normal
 405                         #v0.no, v1.no, v2.no,
 406                         bl.face.getNormal(face),
 407                         bl.face.getNormal(face),
 408                         bl.face.getNormal(face),
 409                         uv[2],
 410                         uv[1],
 411                         uv[0],
 412                         weightMap[v[2].index][0],
 413                         weightMap[v[1].index][0],
 414                         weightMap[v[0].index][0],
 415                         secondWeightMap[v[2].index][0],
 416                         secondWeightMap[v[1].index][0],
 417                         secondWeightMap[v[0].index][0],
 418                         weightMap[v[2].index][1],
 419                         weightMap[v[1].index][1],
 420                         weightMap[v[0].index][1]
 421                         )
 422             elif faceVertexCount==4:
 423                 # quadrangle
 424                 self.vertexArray.addTriangle(
 425                         self.obj_index, material.name,
 426                         v[2].index,
 427                         v[1].index,
 428                         v[0].index,
 429                         v[2].co,
 430                         v[1].co,
 431                         v[0].co,
 432                         #v0.no, v1.no, v2.no,
 433                         bl.face.getNormal(face),
 434                         bl.face.getNormal(face),
 435                         bl.face.getNormal(face),
 436                         uv[2],
 437                         uv[1],
 438                         uv[0],
 439                         weightMap[v[2].index][0],
 440                         weightMap[v[1].index][0],
 441                         weightMap[v[0].index][0],
 442                         secondWeightMap[v[2].index][0],
 443                         secondWeightMap[v[1].index][0],
 444                         secondWeightMap[v[0].index][0],
 445                         weightMap[v[2].index][1],
 446                         weightMap[v[1].index][1],
 447                         weightMap[v[0].index][1]
 448                         )
 449                 self.vertexArray.addTriangle(
 450                         self.obj_index, material.name,
 451                         v[0].index,
 452                         v[3].index,
 453                         v[2].index,
 454                         v[0].co,
 455                         v[3].co,
 456                         v[2].co,
 457                         #v2.no, v3.no, v0.no,
 458                         bl.face.getNormal(face),
 459                         bl.face.getNormal(face),
 460                         bl.face.getNormal(face),
 461                         uv[0],
 462                         uv[3],
 463                         uv[2],
 464                         weightMap[v[0].index][0],
 465                         weightMap[v[3].index][0],
 466                         weightMap[v[2].index][0],
 467                         secondWeightMap[v[0].index][0],
 468                         secondWeightMap[v[3].index][0],
 469                         secondWeightMap[v[2].index][0],
 470                         weightMap[v[0].index][1],
 471                         weightMap[v[3].index][1],
 472                         weightMap[v[2].index][1]
 473                         )
 474         bl.object.delete(copyObj)
 475         self.obj_index+=1
 476
 477     def __skin(self, obj):
 478         if not bl.object.hasShapeKey(obj):
 479             return
 480
 481         indexRelativeMap={}
 482         blenderMesh=bl.object.getData(obj)
 483         baseMorph=None
 484
 485         # shape keys
 486         vg=bl.object.getVertexGroup(obj, MMD_SHAPE_GROUP_NAME)
 487
 488         # base
 489         used=set()
 490         for b in bl.object.getShapeKeys(obj):
 491             if b.name==BASE_SHAPE_NAME:
 492                 baseMorph=self.__getOrCreateMorph('base', 0)
 493                 basis=b
 494
 495                 relativeIndex=0
 496                 for index in vg:
 497                     v=bl.shapekey.getByIndex(b, index)
 498                     pos=[v[0], v[1], v[2]]
 499                     indices=self.vertexArray.getMappedIndices(index)
 500                     for i in indices:
 501                         if i in used:
 502                             continue
 503                         used.add(i)
 504
 505                         baseMorph.add(i, pos)
 506                         indexRelativeMap[i]=relativeIndex
 507                         relativeIndex+=1
 508
 509                 break
 510         assert(basis)
 511         print(basis.name, len(baseMorph.offsets))
 512
 513         if len(baseMorph.offsets)==0:
 514             return
 515
 516         # shape keys
 517         for b in bl.object.getShapeKeys(obj):
 518             if b.name==BASE_SHAPE_NAME:
 519                 continue
 520
 521             print(b.name)
 522             morph=self.__getOrCreateMorph(b.name, 4)
 523             used=set()
 524             for index, src, dst in zip(
 525                     xrange(len(blenderMesh.verts)),
 526                     bl.shapekey.get(basis),
 527                     bl.shapekey.get(b)):
 528                 offset=[dst[0]-src[0], dst[1]-src[1], dst[2]-src[2]]
 529                 if offset[0]==0 and offset[1]==0 and offset[2]==0:
 530                     continue
 531                 if index in vg:
 532                     indices=self.vertexArray.getMappedIndices(index)
 533                     for i in indices:
 534                         if i in used:
 535                             continue
 536                         used.add(i)
 537                         morph.add(indexRelativeMap[i], offset)
 538
 539         # sort skinmap
 540         original=self.morphList[:]
 541         def getIndex(morph):
 542             for i, v in enumerate(englishmap.skinMap):
 543                 if v[0]==morph.name:
 544                     return i
 545             print(morph)
 546             return len(englishmap.skinMap)
 547         if isBlender24():
 548             self.morphList.sort(lambda l, r: getIndex(l)-getIndex(r))
 549         else:
 550             self.morphList.sort(key=getIndex)
 551
 552     def __rigidbody(self, obj):
 553         if isBlender24():
 554             return
 555         if not RIGID_SHAPE_TYPE in obj:
 556             return
 557         self.rigidbodies.append(obj)
 558
 559     def __constraint(self, obj):
 560         if isBlender24():
 561             return
 562         if not CONSTRAINT_A in obj:
 563             return
 564         self.constraints.append(obj)
 565
 566     def __getOrCreateMorph(self, name, type):
 567         for m in self.morphList:
 568             if m.name==name:
 569                 return m
 570         m=Morph(name, type)
 571         self.morphList.append(m)
 572         return m
 573
 574     def getVertexCount(self):
 575         return len(self.vertexArray.vertices)
 576
 577
 578 class Bone(object):
 579     __slots__=['index', 'name', 'ik_index',
 580             'pos', 'tail', 'parent_index', 'tail_index', 'type', 'isConnect']
 581     def __init__(self, name, pos, tail):
 582         self.index=-1
 583         self.name=name
 584         self.pos=pos
 585         self.tail=tail
 586         self.parent_index=None
 587         self.tail_index=None
 588         self.type=0
 589         self.isConnect=False
 590         self.ik_index=0
 591
 592     def __eq__(self, rhs):
 593         return self.index==rhs.index
 594
 595     def __str__(self):
 596         return "<Bone %s %d>" % (self.name, self.type)
 597
 598 class BoneBuilder(object):
 599     __slots__=['bones', 'boneMap', 'ik_list', ]
 600     def __init__(self):
 601         self.bones=[]
 602         self.boneMap={}
 603         self.ik_list=[]
 604
 605     def build(self, armatureObj):
 606         if not armatureObj:
 607             return
 608
 609         print("gather bones")
 610         armature=bl.object.getData(armatureObj)
 611         for b in armature.bones.values():
 612             if b.name=='center':
 613                 # root bone
 614                 bone=Bone(b.name,
 615                         bl.bone.getHeadLocal(b),
 616                         bl.bone.getTailLocal(b))
 617                 self.__addBone(bone)
 618                 self.__getBone(bone, b)
 619
 620         for b in armature.bones.values():
 621             if not b.parent and b.name!='center':
 622                 # root bone
 623                 bone=Bone(b.name,
 624                         bl.bone.getHeadLocal(b),
 625                         bl.bone.getTailLocal(b))
 626                 self.__addBone(bone)
 627                 self.__getBone(bone, b)
 628
 629         print("check connection")
 630         for b in armature.bones.values():
 631             if not b.parent:
 632                 self.__checkConnection(b, None)
 633
 634         print("gather ik")
 635         pose = bl.object.getPose(armatureObj)
 636         for b in pose.bones.values():
 637             for c in b.constraints:
 638                 if bl.constraint.isIKSolver(c):
 639                     ####################
 640                     # IK target
 641                     ####################
 642                     target=self.__boneByName(bl.constraint.ikTarget(c))
 643                     target.type=2
 644
 645                     ####################
 646                     # IK effector
 647                     ####################
 648                     # IK 接続先
 649                     link=self.__boneByName(b.name)
 650                     link.type=6
 651
 652                     # IK chain
 653                     e=b.parent
 654                     chainLength=bl.constraint.ikChainLen(c)
 655                     for i in range(chainLength):
 656                         # IK影響下
 657                         chainBone=self.__boneByName(e.name)
 658                         chainBone.type=4
 659                         chainBone.ik_index=target.index
 660                         e=e.parent
 661                     self.ik_list.append(
 662                             IKSolver(target, link, chainLength,
 663                                 int(bl.constraint.ikItration(c) * 0.1),
 664                                 bl.constraint.ikRotationWeight(c)
 665                                 ))
 666
 667         # boneのsort
 668         self._sortBy()
 669         self._fix()
 670         # IKのsort
 671         def getIndex(ik):
 672             for i, v in enumerate(englishmap.boneMap):
 673                 if v[0]==ik.target.name:
 674                     return i
 675             return len(englishmap.boneMap)
 676         if isBlender24():
 677             self.ik_list.sort(lambda l, r: getIndex(l)-getIndex(r))
 678         else:
 679             self.ik_list.sort(key=getIndex)
 680
 681     def __checkConnection(self, b, p):
 682         if bl.bone.isConnected(b):
 683             parent=self.__boneByName(p.name)
 684             parent.isConnect=True
 685
 686         for c in b.children:
 687             self.__checkConnection(c, b)
 688
 689     def _sortBy(self):
 690         """
 691         boneMap順に並べ替える
 692         """
 693         boneMap=englishmap.boneMap
 694         original=self.bones[:]
 695         def getIndex(bone):
 696             for i, k_v in enumerate(boneMap):
 697                 if k_v[0]==bone.name:
 698                     return i
 699             print(bone)
 700             return len(boneMap)
 701
 702         if isBlender24():
 703             self.bones.sort(lambda l, r: getIndex(l)-getIndex(r))
 704         else:
 705             self.bones.sort(key=getIndex)
 706
 707         sortMap={}
 708         for i, b in enumerate(self.bones):
 709             src=original.index(b)
 710             sortMap[src]=i
 711         for b in self.bones:
 712             b.index=sortMap[b.index]
 713             if b.parent_index:
 714                 b.parent_index=sortMap[b.parent_index]
 715             if b.tail_index:
 716                 b.tail_index=sortMap[b.tail_index]
 717             if b.ik_index>0:
 718                 b.ik_index=sortMap[b.ik_index]
 719
 720     def _fix(self):
 721         """
 722         調整
 723         """
 724         for b in self.bones:
 725             # parent index
 726             if b.parent_index==None:
 727                 b.parent_index=0xFFFF
 728             else:
 729                 if b.type==6 or b.type==7:
 730                     # fix tail bone
 731                     parent=self.bones[b.parent_index]
 732                     parent.tail_index=b.index
 733
 734         for b in self.bones:
 735             if b.tail_index==None:
 736                 b.tail_index=0
 737             elif b.type==9:
 738                 b.tail_index==0
 739
 740     def getIndex(self, bone):
 741         for i, b in enumerate(self.bones):
 742             if b==bone:
 743                 return i
 744         assert(false)
 745
 746     def indexByName(self, name):
 747         if name=='':
 748             return 0
 749         else:
 750             return self.getIndex(self.__boneByName(name))
 751
 752     def __boneByName(self, name):
 753         return self.boneMap[name]
 754
 755     def __getBone(self, parent, b):
 756         if len(b.children)==0:
 757             parent.type=7
 758             return
 759
 760         for i, c in enumerate(b.children):
 761             bone=Bone(c.name,
 762                     bl.bone.getHeadLocal(c),
 763                     bl.bone.getTailLocal(c))
 764             self.__addBone(bone)
 765             if parent:
 766                 bone.parent_index=parent.index
 767                 if i==0:
 768                     parent.tail_index=bone.index
 769             self.__getBone(bone, c)
 770
 771     def __addBone(self, bone):
 772         bone.index=len(self.bones)
 773         self.bones.append(bone)
 774         self.boneMap[bone.name]=bone
 775
 776
 777 class PmdExporter(object):
 778
 779     def setup(self, scene):
 780         self.armatureObj=None
 781         self.scene=scene
 782
 783         # 木構造を構築する
 784         object_node_map={}
 785         for o in scene.objects:
 786             object_node_map[o]=Node(o)
 787         for o in scene.objects:
 788         #for node in object_node_map.values():
 789             node=object_node_map[o]
 790             if node.o.parent:
 791                 object_node_map[node.o.parent].children.append(node)
 792
 793         # ルートを得る
 794         root=object_node_map[scene.objects.active]
 795
 796         # ワンスキンメッシュを作る
 797         self.oneSkinMesh=OneSkinMesh(scene)
 798         self.__createOneSkinMesh(root)
 799         print(self.oneSkinMesh)
 800         self.name=root.o.name
 801
 802         # skeleton
 803         self.builder=BoneBuilder()
 804         self.builder.build(self.armatureObj)
 805
 806     def __createOneSkinMesh(self, node):
 807         ############################################################
 808         # search armature modifier
 809         ############################################################
 810         for m in node.o.modifiers:
 811             if bl.modifier.isType(m, 'ARMATURE'):
 812                 armatureObj=bl.modifier.getArmatureObject(m)
 813                 if not self.armatureObj:
 814                     self.armatureObj=armatureObj
 815                 elif self.armatureObj!=armatureObj:
 816                     print("warning! found multiple armature. ignored.",
 817                             armatureObj.name)
 818
 819         if node.o.type.upper()=='MESH':
 820             self.oneSkinMesh.addMesh(node.o)
 821
 822         for child in node.children:
 823             self.__createOneSkinMesh(child)
 824
 825     def write(self, path):
 826         io=pmd.IO()
 827         io.name=self.name
 828         io.comment="blender export"
 829         io.version=1.0
 830
 831         # 頂点
 832         for pos, normal, uv, b0, b1, weight in self.oneSkinMesh.vertexArray.zip():
 833             # convert right-handed z-up to left-handed y-up
 834             v=io.addVertex()
 835             v.pos.x=pos[0]
 836             v.pos.y=pos[2]
 837             v.pos.z=pos[1]
 838             v.normal.x=normal[0]
 839             v.normal.y=normal[2]
 840             v.normal.z=normal[1]
 841             v.uv.x=uv[0]
 842             v.uv.y=uv[1]
 843             v.bone0=self.builder.indexByName(b0)
 844             v.bone1=self.builder.indexByName(b1)
 845             v.weight0=int(100*weight)
 846             v.edge_flag=0 # edge flag, 0: enable edge, 1: not edge
 847
 848         # 面とマテリアル
 849         vertexCount=self.oneSkinMesh.getVertexCount()
 850         for material_name, indices in self.oneSkinMesh.vertexArray.each():
 851             m=bl.material.get(material_name)
 852             # マテリアル
 853             material=io.addMaterial()
 854             setMaterialParams(material, m)
 855
 856             material.vertex_count=len(indices)
 857             material.toon_index=0
 858             textures=[os.path.basename(path)
 859                 for path in bl.material.eachTexturePath(m)]
 860             if len(textures)>0:
 861                 material.setTexture(toCP932('*'.join(textures)))
 862             # 面
 863             for i in indices:
 864                 assert(i<vertexCount)
 865             for i in xrange(0, len(indices), 3):
 866                 # reverse triangle
 867                 io.indices.append(indices[i])
 868                 io.indices.append(indices[i+1])
 869                 io.indices.append(indices[i+2])
 870
 871         # bones
 872         boneNameMap={}
 873         for i, b in enumerate(self.builder.bones):
 874             bone=io.addBone()
 875
 876             # name
 877             boneNameMap[b.name]=i
 878             v=englishmap.getUnicodeBoneName(b.name)
 879             if not v:
 880                 v=[b.name, b.name]
 881             assert(v)
 882             cp932=v[1].encode('cp932')
 883             assert(len(cp932)<20)
 884             bone.setName(cp932)
 885
 886             # english name
 887             bone_english_name=b.name
 888             assert(len(bone_english_name)<20)
 889             bone.english_name=bone_english_name
 890
 891             if len(v)>=3:
 892                 # has type
 893                 if v[2]==5:
 894                     b.ik_index=self.builder.indexByName('eyes')
 895                 bone.type=v[2]
 896             else:
 897                 bone.type=b.type
 898
 899             bone.parent_index=b.parent_index
 900             bone.tail_index=b.tail_index
 901             bone.ik_index=b.ik_index
 902
 903             # convert right-handed z-up to left-handed y-up
 904             bone.pos.x=b.pos[0] if not near(b.pos[0], 0) else 0
 905             bone.pos.y=b.pos[2] if not near(b.pos[2], 0) else 0
 906             bone.pos.z=b.pos[1] if not near(b.pos[1], 0) else 0
 907
 908         # IK
 909         for ik in self.builder.ik_list:
 910             solver=io.addIK()
 911             solver.index=self.builder.getIndex(ik.target)
 912             solver.target=self.builder.getIndex(ik.effector)
 913             solver.length=ik.length
 914             b=self.builder.bones[ik.effector.parent_index]
 915             for i in xrange(solver.length):
 916                 solver.children.append(self.builder.getIndex(b))
 917                 b=self.builder.bones[b.parent_index]
 918             solver.iterations=ik.iterations
 919             solver.weight=ik.weight
 920
 921         # 表情
 922         for i, m in enumerate(self.oneSkinMesh.morphList):
 923             # morph
 924             morph=io.addMorph()
 925
 926             v=englishmap.getUnicodeSkinName(m.name)
 927             if not v:
 928                 v=[m.name, m.name, 0]
 929             assert(v)
 930             cp932=v[1].encode('cp932')
 931             morph.setName(cp932)
 932             morph.setEnglishName(m.name.encode('cp932'))
 933             m.type=v[2]
 934             morph.type=v[2]
 935             for index, offset in m.offsets:
 936                 # convert right-handed z-up to left-handed y-up
 937                 morph.append(index, offset[0], offset[2], offset[1])
 938             morph.vertex_count=len(m.offsets)
 939
 940         # 表情枠
 941         # type==0はbase
 942         for i, m in enumerate(self.oneSkinMesh.morphList):
 943             if m.type==3:
 944                 io.face_list.append(i)
 945         for i, m in enumerate(self.oneSkinMesh.morphList):
 946             if m.type==2:
 947                 io.face_list.append(i)
 948         for i, m in enumerate(self.oneSkinMesh.morphList):
 949             if m.type==1:
 950                 io.face_list.append(i)
 951         for i, m in enumerate(self.oneSkinMesh.morphList):
 952             if m.type==4:
 953                 io.face_list.append(i)
 954
 955         # ボーン表示枠
 956         def createBoneDisplayName(name, english):
 957             boneDisplayName=io.addBoneDisplayName()
 958             if isBlender24():
 959                 boneDisplayName.name=name.decode('utf-8').encode('cp932')
 960                 boneDisplayName.english_name=english
 961             else:
 962                 boneDisplayName.setName(name.encode('cp932'))
 963                 boneDisplayName.setEnglishName(english.encode('cp932'))
 964         boneDisplayName=createBoneDisplayName("IK\n", "IK\n")
 965         boneDisplayName=createBoneDisplayName("体(上)\n", "Body[u]\n")
 966         boneDisplayName=createBoneDisplayName("髪\n", "Hair\n")
 967         boneDisplayName=createBoneDisplayName("腕\n", "Arms\n")
 968         boneDisplayName=createBoneDisplayName("指\n", "Fingers\n")
 969         boneDisplayName=createBoneDisplayName("体(下)\n", "Body[l]\n")
 970         boneDisplayName=createBoneDisplayName("足\n", "Legs\n")
 971         for i, b in enumerate(self.builder.bones):
 972             if i==0:
 973                 continue
 974             if b.type in [6, 7]:
 975                 continue
 976             io.addBoneDisplay(i, getBoneDisplayGroup(b))
 977
 978         # English
 979         io.english_name="blender export"
 980         io.english_coment="blender export"
 981
 982         # toon
 983         for i in range(10):
 984             io.getToonTexture(i).name="toon%02d.bmp\n" % i
 985
 986         # rigid body
 987         rigidNameMap={}
 988         for i, obj in enumerate(self.oneSkinMesh.rigidbodies):
 989             rigidBody=io.addRigidBody()
 990             rigidBody.setName(obj.name.encode('cp932'))
 991             rigidNameMap[obj.name]=i
 992             boneIndex=boneNameMap[obj[RIGID_BONE_NAME]]
 993             if boneIndex==0:
 994                 boneIndex=0xFFFF
 995                 bone=self.builder.bones[0]
 996             else:
 997                 bone=self.builder.bones[boneIndex]
 998             rigidBody.boneIndex=boneIndex
 999             #rigidBody.position.x=obj[RIGID_LOCATION][0]
1000             #rigidBody.position.y=obj[RIGID_LOCATION][1]
1001             #rigidBody.position.z=obj[RIGID_LOCATION][2]
1002             rigidBody.position.x=obj.location.x-bone.pos[0]
1003             rigidBody.position.y=obj.location.z-bone.pos[2]
1004             rigidBody.position.z=obj.location.y-bone.pos[1]
1005             rigidBody.rotation.x=-obj.rotation_euler[0]
1006             rigidBody.rotation.y=-obj.rotation_euler[2]
1007             rigidBody.rotation.z=-obj.rotation_euler[1]
1008             rigidBody.processType=obj[RIGID_PROCESS_TYPE]
1009             rigidBody.group=obj[RIGID_GROUP]
1010             rigidBody.target=obj[RIGID_INTERSECTION_GROUP]
1011             rigidBody.weight=obj[RIGID_WEIGHT]
1012             rigidBody.linearDamping=obj[RIGID_LINEAR_DAMPING]
1013             rigidBody.angularDamping=obj[RIGID_ANGULAR_DAMPING]
1014             rigidBody.restitution=obj[RIGID_RESTITUTION]
1015             rigidBody.friction=obj[RIGID_FRICTION]
1016             if obj[RIGID_SHAPE_TYPE]==0:
1017                 rigidBody.shapeType=pmd.SHAPE_SPHERE
1018                 rigidBody.w=obj.scale[0]
1019             elif obj[RIGID_SHAPE_TYPE]==1:
1020                 rigidBody.shapeType=pmd.SHAPE_BOX
1021                 rigidBody.w=obj.scale[0]
1022                 rigidBody.d=obj.scale[1]
1023                 rigidBody.h=obj.scale[2]
1024             elif obj[RIGID_SHAPE_TYPE]==2:
1025                 rigidBody.shapeType=pmd.SHAPE_CAPSULE
1026                 rigidBody.w=obj.scale[0]
1027                 rigidBody.h=obj.scale[2]
1028
1029         # constraint
1030         for obj in self.oneSkinMesh.constraints:
1031             constraint=io.addConstraint()
1032             constraint.setName(obj[CONSTRAINT_NAME].encode('cp932'))
1033             constraint.rigidA=rigidNameMap[obj[CONSTRAINT_A]]
1034             constraint.rigidB=rigidNameMap[obj[CONSTRAINT_B]]
1035             constraint.pos.x=obj.location[0]
1036             constraint.pos.y=obj.location[2]
1037             constraint.pos.z=obj.location[1]
1038             constraint.rot.x=-obj.rotation_euler[0]
1039             constraint.rot.y=-obj.rotation_euler[2]
1040             constraint.rot.z=-obj.rotation_euler[1]
1041             constraint.constraintPosMin.x=obj[CONSTRAINT_POS_MIN][0]
1042             constraint.constraintPosMin.y=obj[CONSTRAINT_POS_MIN][1]
1043             constraint.constraintPosMin.z=obj[CONSTRAINT_POS_MIN][2]
1044             constraint.constraintPosMax.x=obj[CONSTRAINT_POS_MAX][0]
1045             constraint.constraintPosMax.y=obj[CONSTRAINT_POS_MAX][1]
1046             constraint.constraintPosMax.z=obj[CONSTRAINT_POS_MAX][2]
1047             constraint.constraintRotMin.x=obj[CONSTRAINT_ROT_MIN][0]
1048             constraint.constraintRotMin.y=obj[CONSTRAINT_ROT_MIN][1]
1049             constraint.constraintRotMin.z=obj[CONSTRAINT_ROT_MIN][2]
1050             constraint.constraintRotMax.x=obj[CONSTRAINT_ROT_MAX][0]
1051             constraint.constraintRotMax.y=obj[CONSTRAINT_ROT_MAX][1]
1052             constraint.constraintRotMax.z=obj[CONSTRAINT_ROT_MAX][2]
1053             constraint.springPos.x=obj[CONSTRAINT_SPRING_POS][0]
1054             constraint.springPos.y=obj[CONSTRAINT_SPRING_POS][1]
1055             constraint.springPos.z=obj[CONSTRAINT_SPRING_POS][2]
1056             constraint.springRot.x=obj[CONSTRAINT_SPRING_ROT][0]
1057             constraint.springRot.y=obj[CONSTRAINT_SPRING_ROT][1]
1058             constraint.springRot.z=obj[CONSTRAINT_SPRING_ROT][2]
1059
1060         # 書き込み
1061         print('write', path)
1062         return io.write(path)
1063
1064
1065 def getBoneDisplayGroup(bone):
1066     boneGroups=[
1067             [ # IK
1068                 "necktie IK", "hair IK_L", "hair IK_R", "leg IK_L", "leg IK_R",
1069                 "toe IK_L", "toe IK_R",
1070                 ],
1071             [ # 体(上)
1072                 "upper body", "neck", "head", "eye_L", "eye_R",
1073                 "necktie1", "necktie2", "necktie3", "eyes",
1074                 "eyelight_L", "eyelight_R",
1075                 ],
1076             [ # 髪
1077                 "front hair1", "front hair2", "front hair3",
1078                 "hair1_L", "hair2_L", "hair3_L",
1079                 "hair4_L", "hair5_L", "hair6_L",
1080                 "hair1_R", "hair2_R", "hair3_R",
1081                 "hair4_R", "hair5_R", "hair6_R",
1082                 ],
1083             [ # 腕
1084                 "shoulder_L", "arm_L", "arm twist_L", "elbow_L",
1085                 "wrist twist_L", "wrist_L", "sleeve_L",
1086                 "shoulder_R", "arm_R", "arm twist_R", "elbow_R",
1087                 "wrist twist_R", "wrist_R", "sleeve_R",
1088                 ],
1089             [ # 指
1090                 "thumb1_L", "thumb2_L", "fore1_L", "fore2_L", "fore3_L",
1091                 "middle1_L", "middle2_L", "middle3_L",
1092                 "third1_L", "third2_L", "third3_L",
1093                 "little1_L", "little2_L", "little3_L",
1094                 "thumb1_R", "thumb2_R", "fore1_R", "fore2_R", "fore3_R",
1095                 "middle1_R", "middle2_R", "middle3_R",
1096                 "third1_R", "third2_R", "third3_R",
1097                 "little1_R", "little2_R", "little3_R",
1098                 ],
1099             [ # 体(下)
1100                 "lower body",  "waist accessory",
1101                 "front skirt_L", "back skirt_L",
1102                 "front skirt_R", "back skirt_R",
1103                 ],
1104             [ # 足
1105                 "leg_L", "knee_L", "ankle_L",
1106                 "leg_R", "knee_R", "ankle_R",
1107                 ],
1108             ]
1109     index=1
1110     for g in boneGroups:
1111         if bone.name in g:
1112             return index
1113         index+=1
1114     print(bone)
1115     return 0
1116
1117
1118 def __execute(filename, scene):
1119     if not scene.objects.active:
1120         print("abort. no active object.")
1121         return
1122
1123     active=bl.object.getActive()
1124     exporter=PmdExporter()
1125     exporter.setup(scene)
1126     exporter.write(filename)
1127     bl.object.activate(active)
1128
1129
1130 if isBlender24():
1131     # for 2.4
1132     def execute_24(filename):
1133         scene = bpy.data.scenes.active
1134         bl.initialize('pmd_export', scene)
1135         __execute(filename.decode(bl.INTERNAL_ENCODING), scene)
1136         bl.finalize()
1137
1138     Blender.Window.FileSelector(
1139              execute_24,
1140              'Export Metasequoia PMD',
1141              Blender.sys.makename(ext='.pmd'))
1142
1143 else:
1144     # for 2.5
1145     def execute_25(filename, scene):
1146         bl.initialize('pmd_export', scene)
1147         __execute(filename, scene)
1148         bl.finalize()
1149
1150     # operator
1151     class EXPORT_OT_pmd(bpy.types.Operator):
1152         '''Save a Metasequoia PMD file.'''
1153         bl_idname = "export_scene.pmd"
1154         bl_label = 'Export PMD'
1155
1156         # List of operator properties, the attributes will be assigned
1157         # to the class instance from the operator settings before calling.
1158
1159         path = StringProperty(
1160                 name="File Path",
1161                 description="File path used for exporting the PMD file",
1162                 maxlen= 1024,
1163                 default= ""
1164                 )
1165         filename = StringProperty(
1166                 name="File Name",
1167                 description="Name of the file.")
1168         directory = StringProperty(
1169                 name="Directory",
1170                 description="Directory of the file.")
1171
1172         check_existing = BoolProperty(
1173                 name="Check Existing",
1174                 description="Check and warn on overwriting existing files",
1175                 default=True,
1176                 options=set('HIDDEN'))
1177
1178         def execute(self, context):
1179             execute_25(
1180                     self.properties.path,
1181                     context.scene
1182                     )
1183             return 'FINISHED'
1184
1185         def invoke(self, context, event):
1186             wm=context.manager
1187             wm.add_fileselect(self)
1188             return 'RUNNING_MODAL'
1189
1190     # register menu
1191     def menu_func(self, context):
1192         #default_path=bpy.data.filename.replace(".blend", ".pmd")
1193         self.layout.operator(
1194                 EXPORT_OT_pmd.bl_idname,
1195                 text="Miku Miku Dance Model(.pmd)")#.path=default_path
1196
1197     def register():
1198         bpy.types.register(EXPORT_OT_pmd)
1199         bpy.types.INFO_MT_file_export.append(menu_func)
1200
1201     def unregister():
1202         bpy.types.unregister(EXPORT_OT_pmd)
1203         bpy.types.INFO_MT_file_export.remove(menu_func)
1204
1205     if __name__ == "__main__":
1206         register()
1207