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__= "2.2"
  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 1.6 20100710: toon texture & bone group.
  26 1.7 20100711: separate vertex with normal or uv.
  27 2.0 20100724: update for Blender2.53.
  28 2.1 20100731: add full python module.
  29 2.2 20101005: update for Blender2.54.
  30 """
  31
  32 bl_addon_info = {
  33         'category': 'Import/Export',
  34         'name': 'Export: MikuMikuDance Model Format (.pmd)',
  35         'author': 'ousttrue',
  36         'version': (2, 2),
  37         'blender': (2, 5, 3),
  38         'location': 'File > Export',
  39         'description': 'Export to the MikuMikuDance Model Format (.pmd)',
  40         'warning': '', # used for warning icon and text in addons panel
  41         'wiki_url': 'http://sourceforge.jp/projects/meshio/wiki/FrontPage',
  42         'tracker_url': 'http://sourceforge.jp/ticket/newticket.php?group_id=5081',
  43         }
  44
  45 MMD_SHAPE_GROUP_NAME='_MMD_SHAPE'
  46 MMD_MB_NAME='mb_name'
  47 MMD_MB_COMMENT='mb_comment'
  48 MMD_COMMENT='comment'
  49 BASE_SHAPE_NAME='Basis'
  50 RIGID_NAME='rigid_name'
  51 RIGID_SHAPE_TYPE='rigid_shape_type'
  52 RIGID_PROCESS_TYPE='rigid_process_type'
  53 RIGID_BONE_NAME='rigid_bone_name'
  54 #RIGID_LOCATION='rigid_loation'
  55 RIGID_GROUP='ribid_group'
  56 RIGID_INTERSECTION_GROUP='rigid_intersection_group'
  57 RIGID_WEIGHT='rigid_weight'
  58 RIGID_LINEAR_DAMPING='rigid_linear_damping'
  59 RIGID_ANGULAR_DAMPING='rigid_angular_damping'
  60 RIGID_RESTITUTION='rigid_restitution'
  61 RIGID_FRICTION='rigid_friction'
  62 CONSTRAINT_NAME='constraint_name'
  63 CONSTRAINT_A='const_a'
  64 CONSTRAINT_B='const_b'
  65 CONSTRAINT_POS_MIN='const_pos_min'
  66 CONSTRAINT_POS_MAX='const_pos_max'
  67 CONSTRAINT_ROT_MIN='const_rot_min'
  68 CONSTRAINT_ROT_MAX='const_rot_max'
  69 CONSTRAINT_SPRING_POS='const_spring_pos'
  70 CONSTRAINT_SPRING_ROT='const_spring_rot'
  71 TOON_TEXTURE_OBJECT='ToonTextures'
  72
  73
  74 ###############################################################################
  75 # import
  76 ###############################################################################
  77 import os
  78 import sys
  79
  80 try:
  81     # C extension
  82     from meshio import pmd, englishmap
  83     print('use meshio C module')
  84 except ImportError:
  85     # full python
  86     from pymeshio import englishmap
  87     from pymeshio import mmd as pmd
  88     pmd.IO=pmd.PMDLoader
  89
  90 def isBlender24():
  91     return sys.version_info[0]<3
  92
  93 if isBlender24():
  94     # for 2.4
  95     import Blender
  96     from Blender import Mathutils
  97     import bpy
  98
  99     # wrapper
 100     import bl24 as bl
 101
 102     def setMaterialParams(material, m):
 103         # diffuse
 104         material.diffuse.r=m.R
 105         material.diffuse.g=m.G
 106         material.diffuse.b=m.B
 107         material.diffuse.a=m.alpha
 108         # specular
 109         material.shinness=0 if m.spec<1e-5 else m.spec*10
 110         material.specular.r=m.specR
 111         material.specular.g=m.specG
 112         material.specular.b=m.specB
 113         # ambient
 114         material.ambient.r=m.mirR
 115         material.ambient.g=m.mirG
 116         material.ambient.b=m.mirB
 117         # flag
 118         material.flag=1 if m.enableSSS else 0
 119
 120     def toCP932(s):
 121         return s
 122
 123
 124 else:
 125     # for 2.5
 126     import bpy
 127     import mathutils
 128
 129     # wrapper
 130     import bl25 as bl
 131
 132     xrange=range
 133
 134     def setMaterialParams(material, m):
 135         # diffuse
 136         material.diffuse.r=m.diffuse_color[0]
 137         material.diffuse.g=m.diffuse_color[1]
 138         material.diffuse.b=m.diffuse_color[2]
 139         material.diffuse.a=m.alpha
 140         # specular
 141         material.shinness=0 if m.specular_toon_size<1e-5 else m.specular_hardness*10
 142         material.specular.r=m.specular_color[0]
 143         material.specular.g=m.specular_color[1]
 144         material.specular.b=m.specular_color[2]
 145         # ambient
 146         material.ambient.r=m.mirror_color[0]
 147         material.ambient.g=m.mirror_color[1]
 148         material.ambient.b=m.mirror_color[2]
 149         # flag
 150         material.flag=1 if m.subsurface_scattering.enabled else 0
 151         # toon
 152         material.toon_index=7
 153
 154     def toCP932(s):
 155         return s.encode('cp932')
 156
 157
 158 class Node(object):
 159     __slots__=['o', 'children']
 160     def __init__(self, o):
 161         self.o=o
 162         self.children=[]
 163
 164
 165 ###############################################################################
 166 # Blenderのメッシュをワンスキンメッシュ化する
 167 ###############################################################################
 168 def near(x, y, EPSILON=1e-5):
 169     d=x-y
 170     return d>=-EPSILON and d<=EPSILON
 171
 172
 173 class VertexAttribute(object):
 174     __slots__=[
 175             'nx', 'ny', 'nz', # normal
 176             'u', 'v', # uv
 177             ]
 178     def __init__(self, nx, ny, nz, u, v):
 179         self.nx=nx
 180         self.ny=ny
 181         self.nz=nz
 182         self.u=u
 183         self.v=v
 184
 185     def __str__(self):
 186         return "<vkey: %f, %f, %f, %f, %f>" % (
 187                 self.nx, self.ny, self.nz, self.u, self.v)
 188
 189     def __hash__(self):
 190         return self.nx + self.ny + self.nz + self.u + self.v
 191
 192     def __eq__(self, rhs):
 193         return self.nx==rhs.nx and self.ny==rhs.ny and self.nz==rhs.nz and self.u==rhs.u and self.v==rhs.v
 194
 195
 196 class VertexKey(object):
 197     __slots__=[
 198             'obj_index', 'index',
 199             ]
 200
 201     def __init__(self, obj_index, index):
 202         self.obj_index=obj_index
 203         self.index=index
 204
 205     def __str__(self):
 206         return "<vkey: %d, %d>" % (self.obj_index, self.index)
 207
 208     def __hash__(self):
 209         return self.index*100+self.obj_index
 210
 211     def __eq__(self, rhs):
 212         return self.obj_index==rhs.obj_index and self.index==rhs.index
 213
 214
 215 class VertexArray(object):
 216     """
 217     頂点配列
 218     """
 219     __slots__=[
 220             'indexArrays',
 221             'positions',
 222             'attributes', # normal and uv
 223             'b0', 'b1', 'weight',
 224             'vertexMap',
 225             'objectMap',
 226             ]
 227     def __init__(self):
 228         # indexArrays split with each material
 229         self.indexArrays={}
 230
 231         self.positions=[]
 232         self.attributes=[]
 233         self.b0=[]
 234         self.b1=[]
 235         self.weight=[]
 236
 237         self.vertexMap={}
 238         self.objectMap={}
 239
 240     def __str__(self):
 241         return "<VertexArray %d positions, %d indexArrays>" % (
 242                 len(self.positions), len(self.indexArrays))
 243
 244     def zip(self):
 245         return zip(
 246                 self.positions, self.attributes,
 247                 self.b0, self.b1, self.weight)
 248
 249     def each(self):
 250         keys=[key for key in self.indexArrays.keys()]
 251         keys.sort()
 252         for key in keys:
 253             yield(key, self.indexArrays[key])
 254
 255     def __addOrGetIndex(self, obj_index, base_index, pos, normal, uv, b0, b1, weight0):
 256         key=VertexKey(obj_index, base_index)
 257         attribute=VertexAttribute(
 258                 normal[0], normal[1], normal[2],
 259                 uv[0], uv[1])
 260         if key in self.vertexMap:
 261             if attribute in self.vertexMap[key]:
 262                 return self.vertexMap[key][attribute]
 263             else:
 264                 return self.__addVertex(self.vertexMap[key],
 265                         pos, attribute, b0, b1, weight0)
 266         else:
 267             vertexMapKey={}
 268             self.vertexMap[key]=vertexMapKey
 269             return self.__addVertex(vertexMapKey,
 270                     pos, attribute, b0, b1, weight0)
 271
 272     def __addVertex(self, vertexMapKey, pos, attribute, b0, b1, weight0):
 273         index=len(self.positions)
 274         vertexMapKey[attribute]=index
 275         # position
 276         self.positions.append((pos.x, pos.y, pos.z))
 277         # unique attribute
 278         self.attributes.append(attribute)
 279         # shared attribute
 280         self.b0.append(b0)
 281         self.b1.append(b1)
 282         self.weight.append(weight0)
 283         assert(index<=65535)
 284         return index
 285
 286     def getMappedIndex(self, obj_name, base_index):
 287         return self.vertexMap[VertexKey(self.objectMap[obj_name], base_index)]
 288
 289     def addTriangle(self,
 290             object_name, material,
 291             base_index0, base_index1, base_index2,
 292             pos0, pos1, pos2,
 293             n0, n1, n2,
 294             uv0, uv1, uv2,
 295             b0_0, b0_1, b0_2,
 296             b1_0, b1_1, b1_2,
 297             weight0, weight1, weight2
 298             ):
 299         if object_name in self.objectMap:
 300             obj_index=self.objectMap[object_name]
 301         else:
 302             obj_index=len(self.objectMap)
 303             self.objectMap[object_name]=obj_index
 304         index0=self.__addOrGetIndex(obj_index, base_index0, pos0, n0, uv0, b0_0, b1_0, weight0)
 305         index1=self.__addOrGetIndex(obj_index, base_index1, pos1, n1, uv1, b0_1, b1_1, weight1)
 306         index2=self.__addOrGetIndex(obj_index, base_index2, pos2, n2, uv2, b0_2, b1_2, weight2)
 307
 308         if not material in self.indexArrays:
 309             self.indexArrays[material]=[]
 310         self.indexArrays[material]+=[index0, index1, index2]
 311
 312
 313 class Morph(object):
 314     __slots__=['name', 'type', 'offsets']
 315     def __init__(self, name, type):
 316         self.name=name
 317         self.type=type
 318         self.offsets=[]
 319
 320     def add(self, index, offset):
 321         self.offsets.append((index, offset))
 322
 323     def sort(self):
 324         if isBlender24():
 325             self.offsets.sort(lambda l, r: l[0]-r[0])
 326         else:
 327             self.offsets.sort(key=lambda e: e[0])
 328
 329     def __str__(self):
 330         return "<Morph %s>" % self.name
 331
 332 class IKSolver(object):
 333     __slots__=['target', 'effector', 'length', 'iterations', 'weight']
 334     def __init__(self, target, effector, length, iterations, weight):
 335         self.target=target
 336         self.effector=effector
 337         self.length=length
 338         self.iterations=iterations
 339         self.weight=weight
 340
 341
 342 class OneSkinMesh(object):
 343     __slots__=['vertexArray', 'morphList', 'rigidbodies', 'constraints', ]
 344     def __init__(self):
 345         self.vertexArray=VertexArray()
 346         self.morphList=[]
 347         self.rigidbodies=[]
 348         self.constraints=[]
 349
 350     def __str__(self):
 351         return "<OneSkinMesh %s, morph:%d>" % (
 352                 self.vertexArray,
 353                 len(self.morphList))
 354
 355     def addMesh(self, obj):
 356         if not bl.object.isVisible(obj):
 357             return
 358         self.__mesh(obj)
 359         self.__skin(obj)
 360         self.__rigidbody(obj)
 361         self.__constraint(obj)
 362
 363     def __getWeightMap(self, obj, mesh):
 364         # bone weight
 365         weightMap={}
 366         secondWeightMap={}
 367         def setWeight(i, name, w):
 368             if w>0:
 369                 if i in weightMap:
 370                     if i in secondWeightMap:
 371                         # 上位２つのweightを採用する
 372                         if w<secondWeightMap[i][1]:
 373                             pass
 374                         elif w<weightMap[i][1]:
 375                             # ２つ目を入れ替え
 376                             secondWeightMap[i]=(name, w)
 377                         else:
 378                             # １つ目を入れ替え
 379                             weightMap[i]=(name, w)
 380                     else:
 381                         if w>weightMap[i][1]:
 382                             # 多い方をweightMapに
 383                             secondWeightMap[i]=weightMap[i]
 384                             weightMap[i]=(name, w)
 385                         else:
 386                             secondWeightMap[i]=(name, w)
 387                 else:
 388                     weightMap[i]=(name, w)
 389
 390         # ToDo bone weightと関係ないvertex groupを除外する
 391         if isBlender24():
 392             for name in bl.object.getVertexGroupNames(obj):
 393                 for i, w in mesh.getVertsFromGroup(name, 1):
 394                     setWeight(i, name, w)
 395         else:
 396             for i, v in enumerate(mesh.verts):
 397                 if len(v.groups)>0:
 398                     for g in v.groups:
 399                         setWeight(i, obj.vertex_groups[g.group].name, g.weight)
 400                 else:
 401                     setWeight(i, obj.vertex_groups[0].name, 1)
 402
 403         # 合計値が1になるようにする
 404         for i in xrange(len(mesh.verts)):
 405             if i in secondWeightMap:
 406                 secondWeightMap[i]=(secondWeightMap[i][0], 1.0-weightMap[i][1])
 407             elif i in weightMap:
 408                 weightMap[i]=(weightMap[i][0], 1.0)
 409                 secondWeightMap[i]=("", 0)
 410             else:
 411                 print("no weight vertex")
 412                 weightMap[i]=("", 0)
 413                 secondWeightMap[i]=("", 0)
 414
 415         return weightMap, secondWeightMap
 416
 417     def __processFaces(self, obj_name, mesh, weightMap, secondWeightMap):
 418         # 各面の処理
 419         for i, face in enumerate(mesh.faces):
 420             faceVertexCount=bl.face.getVertexCount(face)
 421             material=mesh.materials[bl.face.getMaterialIndex(face)]
 422             v=[mesh.verts[index] for index in bl.face.getVertices(face)]
 423             uv=bl.mesh.getFaceUV(
 424                     mesh, i, face, bl.face.getVertexCount(face))
 425             # flip triangle
 426             if faceVertexCount==3:
 427                 # triangle
 428                 self.vertexArray.addTriangle(
 429                         obj_name, material.name,
 430                         v[2].index,
 431                         v[1].index,
 432                         v[0].index,
 433                         v[2].co,
 434                         v[1].co,
 435                         v[0].co,
 436                         bl.vertex.getNormal(v[2]),
 437                         bl.vertex.getNormal(v[1]),
 438                         bl.vertex.getNormal(v[0]),
 439                         uv[2],
 440                         uv[1],
 441                         uv[0],
 442                         weightMap[v[2].index][0],
 443                         weightMap[v[1].index][0],
 444                         weightMap[v[0].index][0],
 445                         secondWeightMap[v[2].index][0],
 446                         secondWeightMap[v[1].index][0],
 447                         secondWeightMap[v[0].index][0],
 448                         weightMap[v[2].index][1],
 449                         weightMap[v[1].index][1],
 450                         weightMap[v[0].index][1]
 451                         )
 452             elif faceVertexCount==4:
 453                 # quadrangle
 454                 self.vertexArray.addTriangle(
 455                         obj_name, material.name,
 456                         v[2].index,
 457                         v[1].index,
 458                         v[0].index,
 459                         v[2].co,
 460                         v[1].co,
 461                         v[0].co,
 462                         bl.vertex.getNormal(v[2]),
 463                         bl.vertex.getNormal(v[1]),
 464                         bl.vertex.getNormal(v[0]),
 465                         uv[2],
 466                         uv[1],
 467                         uv[0],
 468                         weightMap[v[2].index][0],
 469                         weightMap[v[1].index][0],
 470                         weightMap[v[0].index][0],
 471                         secondWeightMap[v[2].index][0],
 472                         secondWeightMap[v[1].index][0],
 473                         secondWeightMap[v[0].index][0],
 474                         weightMap[v[2].index][1],
 475                         weightMap[v[1].index][1],
 476                         weightMap[v[0].index][1]
 477                         )
 478                 self.vertexArray.addTriangle(
 479                         obj_name, material.name,
 480                         v[0].index,
 481                         v[3].index,
 482                         v[2].index,
 483                         v[0].co,
 484                         v[3].co,
 485                         v[2].co,
 486                         bl.vertex.getNormal(v[0]),
 487                         bl.vertex.getNormal(v[3]),
 488                         bl.vertex.getNormal(v[2]),
 489                         uv[0],
 490                         uv[3],
 491                         uv[2],
 492                         weightMap[v[0].index][0],
 493                         weightMap[v[3].index][0],
 494                         weightMap[v[2].index][0],
 495                         secondWeightMap[v[0].index][0],
 496                         secondWeightMap[v[3].index][0],
 497                         secondWeightMap[v[2].index][0],
 498                         weightMap[v[0].index][1],
 499                         weightMap[v[3].index][1],
 500                         weightMap[v[2].index][1]
 501                         )
 502
 503     def __mesh(self, obj):
 504         if isBlender24():
 505             pass
 506         else:
 507             if RIGID_SHAPE_TYPE in obj:
 508                 return
 509             if CONSTRAINT_A in obj:
 510                 return
 511
 512         #if not bl.modifier.hasType(obj, 'ARMATURE'):
 513         #    return
 514
 515         bl.message("export: %s" % obj.name)
 516
 517         # 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
 518         copyMesh, copyObj=bl.object.duplicate(obj)
 519         if len(copyMesh.verts)>0:
 520             # apply transform
 521             copyObj.scale=obj.scale
 522             bpy.ops.object.scale_apply()
 523             copyObj.rotation_euler=obj.rotation_euler
 524             bpy.ops.object.rotation_apply()
 525             copyObj.location=obj.location
 526             bpy.ops.object.location_apply()
 527             # apply modifier
 528             for m in [m for m in copyObj.modifiers]:
 529                 if m.type=='SOLIDFY':
 530                     continue
 531                 elif m.type=='ARMATURE':
 532                     continue
 533                 elif m.type=='MIRROR':
 534                     bpy.ops.object.modifier_apply(modifier=m.name)
 535                 else:
 536                     print(m.type)
 537
 538             weightMap, secondWeightMap=self.__getWeightMap(copyObj, copyMesh)
 539             self.__processFaces(obj.name, copyMesh, weightMap, secondWeightMap)
 540         bl.object.delete(copyObj)
 541
 542     def createEmptyBasicSkin(self):
 543         self.__getOrCreateMorph('base', 0)
 544
 545     def __skin(self, obj):
 546         if not bl.object.hasShapeKey(obj):
 547             return
 548
 549         indexRelativeMap={}
 550         blenderMesh=bl.object.getData(obj)
 551         baseMorph=None
 552
 553         # shape keys
 554         vg=bl.object.getVertexGroup(obj, MMD_SHAPE_GROUP_NAME)
 555
 556         # base
 557         used=set()
 558         for b in bl.object.getShapeKeys(obj):
 559             if b.name==BASE_SHAPE_NAME:
 560                 baseMorph=self.__getOrCreateMorph('base', 0)
 561                 basis=b
 562
 563                 relativeIndex=0
 564                 for index in vg:
 565                     v=bl.shapekey.getByIndex(b, index)
 566                     pos=[v[0], v[1], v[2]]
 567
 568                     indices=self.vertexArray.getMappedIndex(obj.name, index)
 569                     for attribute, i in indices.items():
 570                         if i in used:
 571                             continue
 572                         used.add(i)
 573
 574                         baseMorph.add(i, pos)
 575                         indexRelativeMap[i]=relativeIndex
 576                         relativeIndex+=1
 577
 578                 break
 579         assert(basis)
 580         print(basis.name, len(baseMorph.offsets))
 581
 582         if len(baseMorph.offsets)==0:
 583             return
 584
 585         # shape keys
 586         for b in bl.object.getShapeKeys(obj):
 587             if b.name==BASE_SHAPE_NAME:
 588                 continue
 589
 590             print(b.name)
 591             morph=self.__getOrCreateMorph(b.name, 4)
 592             used=set()
 593             for index, src, dst in zip(
 594                     xrange(len(blenderMesh.verts)),
 595                     bl.shapekey.get(basis),
 596                     bl.shapekey.get(b)):
 597                 offset=[dst[0]-src[0], dst[1]-src[1], dst[2]-src[2]]
 598                 if offset[0]==0 and offset[1]==0 and offset[2]==0:
 599                     continue
 600                 if index in vg:
 601                     indices=self.vertexArray.getMappedIndex(obj.name, index)
 602                     for attribute, i in indices.items():
 603                         if i in used:
 604                             continue
 605                         used.add(i)
 606                         morph.add(indexRelativeMap[i], offset)
 607             assert(len(morph.offsets)<len(baseMorph.offsets))
 608
 609         # sort skinmap
 610         original=self.morphList[:]
 611         def getIndex(morph):
 612             for i, v in enumerate(englishmap.skinMap):
 613                 if v[0]==morph.name:
 614                     return i
 615             print(morph)
 616             return len(englishmap.skinMap)
 617         if isBlender24():
 618             self.morphList.sort(lambda l, r: getIndex(l)-getIndex(r))
 619         else:
 620             self.morphList.sort(key=getIndex)
 621
 622     def __rigidbody(self, obj):
 623         if isBlender24():
 624             return
 625         if not RIGID_SHAPE_TYPE in obj:
 626             return
 627         self.rigidbodies.append(obj)
 628
 629     def __constraint(self, obj):
 630         if isBlender24():
 631             return
 632         if not CONSTRAINT_A in obj:
 633             return
 634         self.constraints.append(obj)
 635
 636     def __getOrCreateMorph(self, name, type):
 637         for m in self.morphList:
 638             if m.name==name:
 639                 return m
 640         m=Morph(name, type)
 641         self.morphList.append(m)
 642         return m
 643
 644     def getVertexCount(self):
 645         return len(self.vertexArray.positions)
 646
 647
 648 class Bone(object):
 649     __slots__=['index', 'name', 'ik_index',
 650             'pos', 'tail', 'parent_index', 'tail_index', 'type', 'isConnect']
 651     def __init__(self, name, pos, tail, isConnect):
 652         self.index=-1
 653         self.name=name
 654         self.pos=pos
 655         self.tail=tail
 656         self.parent_index=None
 657         self.tail_index=None
 658         self.type=0
 659         self.isConnect=isConnect
 660         self.ik_index=0
 661
 662     def __eq__(self, rhs):
 663         return self.index==rhs.index
 664
 665     def __str__(self):
 666         return "<Bone %s %d>" % (self.name, self.type)
 667
 668 class BoneBuilder(object):
 669     __slots__=['bones', 'boneMap', 'ik_list', 'bone_groups',]
 670     def __init__(self):
 671         self.bones=[]
 672         self.boneMap={}
 673         self.ik_list=[]
 674         self.bone_groups=[]
 675
 676     def getBoneGroup(self, bone):
 677         for i, g in enumerate(self.bone_groups):
 678             for b in g[1]:
 679                 if b==bone.name:
 680                     return i+1
 681         print('no gorup', bone)
 682         return 0
 683
 684     def build(self, armatureObj):
 685         if not armatureObj:
 686             return
 687
 688         bl.message("build skeleton")
 689         armature=bl.object.getData(armatureObj)
 690
 691         ####################
 692         # bone group
 693         ####################
 694         for g in bl.object.boneGroups(armatureObj):
 695             self.bone_groups.append((g.name, []))
 696
 697         ####################
 698         # get bones
 699         ####################
 700         for b in armature.bones.values():
 701             if not b.parent:
 702                 # root bone
 703                 bone=Bone(b.name,
 704                         bl.bone.getHeadLocal(b),
 705                         bl.bone.getTailLocal(b),
 706                         False)
 707                 self.__addBone(bone)
 708                 self.__getBone(bone, b)
 709
 710         for b in armature.bones.values():
 711             if not b.parent:
 712                 self.__checkConnection(b, None)
 713
 714         ####################
 715         # get IK
 716         ####################
 717         pose = bl.object.getPose(armatureObj)
 718         for b in pose.bones.values():
 719             ####################
 720             # assing bone group
 721             ####################
 722             self.__assignBoneGroup(b, b.bone_group)
 723             for c in b.constraints:
 724                 if bl.constraint.isIKSolver(c):
 725                     ####################
 726                     # IK target
 727                     ####################
 728                     target=self.__boneByName(bl.constraint.ikTarget(c))
 729                     target.type=2
 730
 731                     ####################
 732                     # IK effector
 733                     ####################
 734                     # IK 接続先
 735                     link=self.__boneByName(b.name)
 736                     link.type=6
 737
 738                     # IK chain
 739                     e=b.parent
 740                     chainLength=bl.constraint.ikChainLen(c)
 741                     for i in range(chainLength):
 742                         # IK影響下
 743                         chainBone=self.__boneByName(e.name)
 744                         chainBone.type=4
 745                         chainBone.ik_index=target.index
 746                         e=e.parent
 747                     self.ik_list.append(
 748                             IKSolver(target, link, chainLength,
 749                                 int(bl.constraint.ikItration(c) * 0.1),
 750                                 bl.constraint.ikRotationWeight(c)
 751                                 ))
 752
 753         ####################
 754
 755         # boneのsort
 756         self._sortBy()
 757         self._fix()
 758         # IKのsort
 759         def getIndex(ik):
 760             for i, v in enumerate(englishmap.boneMap):
 761                 if v[0]==ik.target.name:
 762                     return i
 763             return len(englishmap.boneMap)
 764         if isBlender24():
 765             self.ik_list.sort(lambda l, r: getIndex(l)-getIndex(r))
 766         else:
 767             self.ik_list.sort(key=getIndex)
 768
 769     def __assignBoneGroup(self, poseBone, boneGroup):
 770         if boneGroup:
 771             for g in self.bone_groups:
 772                 if g[0]==boneGroup.name:
 773                     g[1].append(poseBone.name)
 774
 775     def __checkConnection(self, b, p):
 776         if bl.bone.isConnected(b):
 777             parent=self.__boneByName(p.name)
 778             parent.isConnect=True
 779
 780         for c in b.children:
 781             self.__checkConnection(c, b)
 782
 783     def _sortBy(self):
 784         """
 785         boneMap順に並べ替える
 786         """
 787         boneMap=englishmap.boneMap
 788         original=self.bones[:]
 789         def getIndex(bone):
 790             for i, k_v in enumerate(boneMap):
 791                 if k_v[0]==bone.name:
 792                     return i
 793             print(bone)
 794             return len(boneMap)
 795
 796         if isBlender24():
 797             self.bones.sort(lambda l, r: getIndex(l)-getIndex(r))
 798         else:
 799             self.bones.sort(key=getIndex)
 800
 801         sortMap={}
 802         for i, b in enumerate(self.bones):
 803             src=original.index(b)
 804             sortMap[src]=i
 805         for b in self.bones:
 806             b.index=sortMap[b.index]
 807             if b.parent_index:
 808                 b.parent_index=sortMap[b.parent_index]
 809             if b.tail_index:
 810                 b.tail_index=sortMap[b.tail_index]
 811             if b.ik_index>0:
 812                 b.ik_index=sortMap[b.ik_index]
 813
 814     def _fix(self):
 815         """
 816         調整
 817         """
 818         for b in self.bones:
 819             # parent index
 820             if b.parent_index==None:
 821                 b.parent_index=0xFFFF
 822             else:
 823                 if b.type==6 or b.type==7:
 824                     # fix tail bone
 825                     parent=self.bones[b.parent_index]
 826                     #print('parnet', parent.name)
 827                     parent.tail_index=b.index
 828
 829         for b in self.bones:
 830             if b.tail_index==None:
 831                 b.tail_index=0
 832             elif b.type==9:
 833                 b.tail_index==0
 834
 835     def getIndex(self, bone):
 836         for i, b in enumerate(self.bones):
 837             if b==bone:
 838                 return i
 839         assert(false)
 840
 841     def indexByName(self, name):
 842         if name=='':
 843             return 0
 844         else:
 845             return self.getIndex(self.__boneByName(name))
 846
 847     def __boneByName(self, name):
 848         return self.boneMap[name]
 849
 850     def __getBone(self, parent, b):
 851         if len(b.children)==0:
 852             parent.type=7
 853             return
 854
 855         for i, c in enumerate(b.children):
 856             bone=Bone(c.name,
 857                     bl.bone.getHeadLocal(c),
 858                     bl.bone.getTailLocal(c),
 859                     bl.bone.isConnected(c))
 860             self.__addBone(bone)
 861             if parent:
 862                 bone.parent_index=parent.index
 863                 #if i==0:
 864                 if bone.isConnect or (not parent.tail_index and parent.tail==bone.pos):
 865                     parent.tail_index=bone.index
 866             self.__getBone(bone, c)
 867
 868     def __addBone(self, bone):
 869         bone.index=len(self.bones)
 870         self.bones.append(bone)
 871         self.boneMap[bone.name]=bone
 872
 873
 874 class PmdExporter(object):
 875
 876     __slots__=[
 877             'armatureObj',
 878             'oneSkinMesh',
 879             'englishName',
 880             'englishComment',
 881             'name',
 882             'comment',
 883             'skeleton',
 884             ]
 885     def setup(self):
 886         self.armatureObj=None
 887
 888         # 木構造を構築する
 889         object_node_map={}
 890         for o in bl.object.each():
 891             object_node_map[o]=Node(o)
 892         for o in bl.object.each():
 893             node=object_node_map[o]
 894             if node.o.parent:
 895                 object_node_map[node.o.parent].children.append(node)
 896
 897         # ルートを得る
 898         root=object_node_map[bl.object.getActive()]
 899         o=root.o
 900         self.englishName=o.name
 901         self.englishComment=o[MMD_COMMENT] if MMD_COMMENT in o else 'blender export\n'
 902         self.name=o[MMD_MB_NAME] if MMD_MB_NAME in o else 'Blenderエクスポート'
 903         self.comment=o[MMD_MB_COMMENT] if MMD_MB_COMMENT in o else 'Blnderエクスポート\n'
 904
 905         # ワンスキンメッシュを作る
 906         self.oneSkinMesh=OneSkinMesh()
 907         self.__createOneSkinMesh(root)
 908         bl.message(self.oneSkinMesh)
 909         if len(self.oneSkinMesh.morphList)==0:
 910             # create emtpy skin
 911             self.oneSkinMesh.createEmptyBasicSkin()
 912
 913         # skeleton
 914         self.skeleton=BoneBuilder()
 915         self.skeleton.build(self.armatureObj)
 916
 917     def __createOneSkinMesh(self, node):
 918         ############################################################
 919         # search armature modifier
 920         ############################################################
 921         for m in node.o.modifiers:
 922             if bl.modifier.isType(m, 'ARMATURE'):
 923                 armatureObj=bl.modifier.getArmatureObject(m)
 924                 if not self.armatureObj:
 925                     self.armatureObj=armatureObj
 926                 elif self.armatureObj!=armatureObj:
 927                     print("warning! found multiple armature. ignored.",
 928                             armatureObj.name)
 929
 930         if node.o.type.upper()=='MESH':
 931             self.oneSkinMesh.addMesh(node.o)
 932
 933         for child in node.children:
 934             self.__createOneSkinMesh(child)
 935
 936     def write(self, path):
 937         io=pmd.IO()
 938         io.setName(toCP932(self.name))
 939         io.setComment(toCP932(self.comment))
 940         io.version=1.0
 941
 942         # 頂点
 943         for pos, attribute, b0, b1, weight in self.oneSkinMesh.vertexArray.zip():
 944             # convert right-handed z-up to left-handed y-up
 945             v=io.addVertex()
 946             v.pos.x=pos[0]
 947             v.pos.y=pos[2]
 948             v.pos.z=pos[1]
 949             v.normal.x=attribute.nx
 950             v.normal.y=attribute.ny
 951             v.normal.z=attribute.nz
 952             v.uv.x=attribute.u
 953             v.uv.y=1.0-attribute.v # reverse vertical
 954             v.bone0=self.skeleton.indexByName(b0)
 955             v.bone1=self.skeleton.indexByName(b1)
 956             v.weight0=int(100*weight)
 957             v.edge_flag=0 # edge flag, 0: enable edge, 1: not edge
 958
 959         # 面とマテリアル
 960         vertexCount=self.oneSkinMesh.getVertexCount()
 961         for material_name, indices in self.oneSkinMesh.vertexArray.each():
 962             #print('material:', material_name)
 963             m=bl.material.get(material_name)
 964             # マテリアル
 965             material=io.addMaterial()
 966             setMaterialParams(material, m)
 967
 968             material.vertex_count=len(indices)
 969             material.toon_index=0
 970             textures=[os.path.basename(path)
 971                 for path in bl.material.eachEnalbeTexturePath(m)]
 972             if len(textures)>0:
 973                 material.setTexture(toCP932('*'.join(textures)))
 974             else:
 975                 material.setTexture(toCP932(""))
 976             # 面
 977             for i in indices:
 978                 assert(i<vertexCount)
 979             for i in xrange(0, len(indices), 3):
 980                 # reverse triangle
 981                 io.indices.append(indices[i])
 982                 io.indices.append(indices[i+1])
 983                 io.indices.append(indices[i+2])
 984
 985         # bones
 986         boneNameMap={}
 987         for i, b in enumerate(self.skeleton.bones):
 988             bone=io.addBone()
 989
 990             # name
 991             boneNameMap[b.name]=i
 992             v=englishmap.getUnicodeBoneName(b.name)
 993             if not v:
 994                 v=[b.name, b.name]
 995             assert(v)
 996             cp932=v[1].encode('cp932')
 997             assert(len(cp932)<20)
 998             bone.setName(cp932)
 999
1000             # english name
1001             bone_english_name=toCP932(b.name)
1002             assert(len(bone_english_name)<20)
1003             bone.setEnglishName(bone_english_name)
1004
1005             if len(v)>=3:
1006                 # has type
1007                 if v[2]==5:
1008                     b.ik_index=self.skeleton.indexByName('eyes')
1009                 bone.type=v[2]
1010             else:
1011                 bone.type=b.type
1012
1013             bone.parent_index=b.parent_index
1014             bone.tail_index=b.tail_index
1015             bone.ik_index=b.ik_index
1016
1017             # convert right-handed z-up to left-handed y-up
1018             bone.pos.x=b.pos[0] if not near(b.pos[0], 0) else 0
1019             bone.pos.y=b.pos[2] if not near(b.pos[2], 0) else 0
1020             bone.pos.z=b.pos[1] if not near(b.pos[1], 0) else 0
1021
1022         # IK
1023         for ik in self.skeleton.ik_list:
1024             solver=io.addIK()
1025             solver.index=self.skeleton.getIndex(ik.target)
1026             solver.target=self.skeleton.getIndex(ik.effector)
1027             solver.length=ik.length
1028             b=self.skeleton.bones[ik.effector.parent_index]
1029             for i in xrange(solver.length):
1030                 solver.children.append(self.skeleton.getIndex(b))
1031                 b=self.skeleton.bones[b.parent_index]
1032             solver.iterations=ik.iterations
1033             solver.weight=ik.weight
1034
1035         # 表情
1036         for i, m in enumerate(self.oneSkinMesh.morphList):
1037             # morph
1038             morph=io.addMorph()
1039
1040             v=englishmap.getUnicodeSkinName(m.name)
1041             if not v:
1042                 v=[m.name, m.name, 0]
1043             assert(v)
1044             cp932=v[1].encode('cp932')
1045             morph.setName(cp932)
1046             morph.setEnglishName(m.name.encode('cp932'))
1047             m.type=v[2]
1048             morph.type=v[2]
1049             for index, offset in m.offsets:
1050                 # convert right-handed z-up to left-handed y-up
1051                 morph.append(index, offset[0], offset[2], offset[1])
1052             morph.vertex_count=len(m.offsets)
1053
1054         # 表情枠
1055         # type==0はbase
1056         for i, m in enumerate(self.oneSkinMesh.morphList):
1057             if m.type==3:
1058                 io.face_list.append(i)
1059         for i, m in enumerate(self.oneSkinMesh.morphList):
1060             if m.type==2:
1061                 io.face_list.append(i)
1062         for i, m in enumerate(self.oneSkinMesh.morphList):
1063             if m.type==1:
1064                 io.face_list.append(i)
1065         for i, m in enumerate(self.oneSkinMesh.morphList):
1066             if m.type==4:
1067                 io.face_list.append(i)
1068
1069         # ボーングループ
1070         for g in self.skeleton.bone_groups:
1071             boneDisplayName=io.addBoneGroup()
1072             # name
1073             name=englishmap.getUnicodeBoneGroupName(g[0])
1074             if not name:
1075                 name=g[0]
1076             boneDisplayName.setName(toCP932(name+'\n'))
1077             # english
1078             englishName=g[0]
1079             boneDisplayName.setEnglishName(toCP932(englishName+'\n'))
1080
1081         # ボーングループメンバー
1082         for i, b in enumerate(self.skeleton.bones):
1083             if i==0:
1084                continue
1085             if b.type in [6, 7]:
1086                continue
1087             io.addBoneDisplay(i, self.skeleton.getBoneGroup(b))
1088
1089         #assert(len(io.bones)==len(io.bone_display_list)+1)
1090
1091         # English
1092         io.setEnglishName(toCP932(self.englishName))
1093         io.setEnglishComment(toCP932(self.englishComment))
1094
1095         # toon
1096         toonMeshObject=None
1097         for o in bl.object.each():
1098             try:
1099                 if o.name.startswith(TOON_TEXTURE_OBJECT):
1100                     toonMeshObject=o
1101             except:
1102                 p(o.name)
1103             break
1104         if toonMeshObject:
1105             toonMesh=bl.object.getData(toonMeshObject)
1106             toonMaterial=bl.mesh.getMaterial(toonMesh, 0)
1107             for i in range(10):
1108                 t=bl.material.getTexture(toonMaterial, i)
1109                 if t:
1110                     io.getToonTexture(i).setName(toCP932(t.name))
1111                 else:
1112                     io.getToonTexture(i).setName(toCP932("toon%02d.bmp\n" % i))
1113         else:
1114             for i in range(10):
1115                 io.getToonTexture(i).setName(toCP932("toon%02d.bmp\n" % i))
1116
1117         # rigid body
1118         rigidNameMap={}
1119         for i, obj in enumerate(self.oneSkinMesh.rigidbodies):
1120             name=obj[RIGID_NAME] if RIGID_NAME in obj else obj.name
1121             print(name)
1122             rigidBody=io.addRigidBody()
1123             rigidBody.setName(name.encode('cp932'))
1124             rigidNameMap[name]=i
1125             boneIndex=boneNameMap[obj[RIGID_BONE_NAME]]
1126             if boneIndex==0:
1127                 boneIndex=0xFFFF
1128                 bone=self.skeleton.bones[0]
1129             else:
1130                 bone=self.skeleton.bones[boneIndex]
1131             rigidBody.boneIndex=boneIndex
1132             #rigidBody.position.x=obj[RIGID_LOCATION][0]
1133             #rigidBody.position.y=obj[RIGID_LOCATION][1]
1134             #rigidBody.position.z=obj[RIGID_LOCATION][2]
1135             rigidBody.position.x=obj.location.x-bone.pos[0]
1136             rigidBody.position.y=obj.location.z-bone.pos[2]
1137             rigidBody.position.z=obj.location.y-bone.pos[1]
1138             rigidBody.rotation.x=-obj.rotation_euler[0]
1139             rigidBody.rotation.y=-obj.rotation_euler[2]
1140             rigidBody.rotation.z=-obj.rotation_euler[1]
1141             rigidBody.processType=obj[RIGID_PROCESS_TYPE]
1142             rigidBody.group=obj[RIGID_GROUP]
1143             rigidBody.target=obj[RIGID_INTERSECTION_GROUP]
1144             rigidBody.weight=obj[RIGID_WEIGHT]
1145             rigidBody.linearDamping=obj[RIGID_LINEAR_DAMPING]
1146             rigidBody.angularDamping=obj[RIGID_ANGULAR_DAMPING]
1147             rigidBody.restitution=obj[RIGID_RESTITUTION]
1148             rigidBody.friction=obj[RIGID_FRICTION]
1149             if obj[RIGID_SHAPE_TYPE]==0:
1150                 rigidBody.shapeType=pmd.SHAPE_SPHERE
1151                 rigidBody.w=obj.scale[0]
1152             elif obj[RIGID_SHAPE_TYPE]==1:
1153                 rigidBody.shapeType=pmd.SHAPE_BOX
1154                 rigidBody.w=obj.scale[0]
1155                 rigidBody.d=obj.scale[1]
1156                 rigidBody.h=obj.scale[2]
1157             elif obj[RIGID_SHAPE_TYPE]==2:
1158                 rigidBody.shapeType=pmd.SHAPE_CAPSULE
1159                 rigidBody.w=obj.scale[0]
1160                 rigidBody.h=obj.scale[2]
1161
1162         # constraint
1163         for obj in self.oneSkinMesh.constraints:
1164             constraint=io.addConstraint()
1165             constraint.setName(obj[CONSTRAINT_NAME].encode('cp932'))
1166             constraint.rigidA=rigidNameMap[obj[CONSTRAINT_A]]
1167             constraint.rigidB=rigidNameMap[obj[CONSTRAINT_B]]
1168             constraint.pos.x=obj.location[0]
1169             constraint.pos.y=obj.location[2]
1170             constraint.pos.z=obj.location[1]
1171             constraint.rot.x=-obj.rotation_euler[0]
1172             constraint.rot.y=-obj.rotation_euler[2]
1173             constraint.rot.z=-obj.rotation_euler[1]
1174             constraint.constraintPosMin.x=obj[CONSTRAINT_POS_MIN][0]
1175             constraint.constraintPosMin.y=obj[CONSTRAINT_POS_MIN][1]
1176             constraint.constraintPosMin.z=obj[CONSTRAINT_POS_MIN][2]
1177             constraint.constraintPosMax.x=obj[CONSTRAINT_POS_MAX][0]
1178             constraint.constraintPosMax.y=obj[CONSTRAINT_POS_MAX][1]
1179             constraint.constraintPosMax.z=obj[CONSTRAINT_POS_MAX][2]
1180             constraint.constraintRotMin.x=obj[CONSTRAINT_ROT_MIN][0]
1181             constraint.constraintRotMin.y=obj[CONSTRAINT_ROT_MIN][1]
1182             constraint.constraintRotMin.z=obj[CONSTRAINT_ROT_MIN][2]
1183             constraint.constraintRotMax.x=obj[CONSTRAINT_ROT_MAX][0]
1184             constraint.constraintRotMax.y=obj[CONSTRAINT_ROT_MAX][1]
1185             constraint.constraintRotMax.z=obj[CONSTRAINT_ROT_MAX][2]
1186             constraint.springPos.x=obj[CONSTRAINT_SPRING_POS][0]
1187             constraint.springPos.y=obj[CONSTRAINT_SPRING_POS][1]
1188             constraint.springPos.z=obj[CONSTRAINT_SPRING_POS][2]
1189             constraint.springRot.x=obj[CONSTRAINT_SPRING_ROT][0]
1190             constraint.springRot.y=obj[CONSTRAINT_SPRING_ROT][1]
1191             constraint.springRot.z=obj[CONSTRAINT_SPRING_ROT][2]
1192
1193         # 書き込み
1194         bl.message('write: %s' % path)
1195         return io.write(path)
1196
1197
1198 def __execute(filename):
1199     active=bl.object.getActive()
1200     if not active:
1201         print("abort. no active object.")
1202         return
1203     exporter=PmdExporter()
1204     exporter.setup()
1205     print(exporter)
1206     exporter.write(filename)
1207     bl.object.activate(active)
1208
1209
1210 if isBlender24():
1211     # for 2.4
1212     def execute_24(filename):
1213         bl.initialize('pmd_export', bpy.data.scenes.active)
1214         __execute(filename.decode(bl.INTERNAL_ENCODING))
1215         bl.finalize()
1216
1217     Blender.Window.FileSelector(
1218              execute_24,
1219              'Export Metasequoia PMD',
1220              Blender.sys.makename(ext='.pmd'))
1221
1222 else:
1223     # for 2.5
1224     def execute_25(filename, scene):
1225         bl.initialize('pmd_export', scene)
1226         __execute(filename)
1227         bl.finalize()
1228
1229     # operator
1230     class EXPORT_OT_pmd(bpy.types.Operator):
1231         '''Save a Metasequoia PMD file.'''
1232         bl_idname = "export_scene.pmd"
1233         bl_label = 'Export PMD'
1234
1235         # List of operator properties, the attributes will be assigned
1236         # to the class instance from the operator settings before calling.
1237         filepath = bpy.props.StringProperty()
1238         filename = bpy.props.StringProperty()
1239         directory = bpy.props.StringProperty()
1240
1241         def execute(self, context):
1242             execute_25(
1243                     self.properties.filepath,
1244                     context.scene
1245                     )
1246             return 'FINISHED'
1247
1248         def invoke(self, context, event):
1249             wm=context.window_manager
1250             wm.add_fileselect(self)
1251             return 'RUNNING_MODAL'
1252
1253     # register menu
1254     def menu_func(self, context):
1255         default_path=bpy.data.filepath.replace(".blend", ".pmd")
1256         self.layout.operator(
1257                 EXPORT_OT_pmd.bl_idname,
1258                 text="Miku Miku Dance Model(.pmd)",
1259                 icon='PLUGIN'
1260                 ).filepath=default_path
1261
1262     def register():
1263         bpy.types.INFO_MT_file_export.append(menu_func)
1264
1265     def unregister():
1266         bpy.types.INFO_MT_file_export.remove(menu_func)
1267
1268     if __name__ == "__main__":
1269         register()
1270