用于python的3d模型读写器 pymeshio-master.zip_3D模型读取_3d_meshio.obj_pymesh

#!/usr/bin/env python # coding: utf-8 """ ======================== MikuMikuDance PMX format ======================== file format ~~~~~~~~~~~ * PMDEditor's Lib/PMX仕様/PMX仕様.txt specs ~~~~~ * textencoding: unicode * coordinate: left handed y-up(DirectX) * uv origin: * face: only triangle * backculling: """ __author__="ousttrue" __license__="zlib" __versioon__="1.0.0" import io import os import struct from .. import common class Ik(common.Diff): """ik info """ __slots__=[ 'target_index', 'loop', 'limit_radian', 'link', ] def __init__(self, target_index, loop, limit_radian, link=None): self.target_index=target_index self.loop=loop self.limit_radian=limit_radian self.link=link or [] def __eq__(self, rhs): return ( self.target_index==rhs.target_index and self.loop==rhs.loop and self.limit_radian==rhs.limit_radian and self.link==rhs.link ) def diff(self, rhs): self._diff(rhs, 'target_index') self._diff(rhs, 'loop') self._diff(rhs, 'limit_radian') self._diff_array(rhs, 'link') class IkLink(common.Diff): """ik link info """ __slots__=[ 'bone_index', 'limit_angle', 'limit_min', 'limit_max', ] def __init__(self, bone_index, limit_angle, limit_min=None, limit_max=None): self.bone_index=bone_index self.limit_angle=limit_angle self.limit_min=limit_min or common.Vector3() self.limit_max=limit_max or common.Vector3() def __eq__(self, rhs): return ( self.bone_index==rhs.bone_index and self.limit_angle==rhs.limit_angle and self.limit_min==rhs.limit_min and self.limit_max==rhs.limit_max ) def diff(self, rhs): self._diff(rhs, 'bone_index') self._diff(rhs, 'limit_angle') self._diff(rhs, 'limit_min') self._diff(rhs, 'limit_max') BONEFLAG_TAILPOS_IS_BONE=0x0001 BONEFLAG_CAN_ROTATE=0x0002 BONEFLAG_CAN_TRANSLATE=0x0004 BONEFLAG_IS_VISIBLE=0x0008 BONEFLAG_CAN_MANIPULATE=0x0010 BONEFLAG_IS_IK=0x0020 BONEFLAG_IS_EXTERNAL_ROTATION=0x0100 BONEFLAG_IS_EXTERNAL_TRANSLATION=0x0200 BONEFLAG_HAS_FIXED_AXIS=0x0400 BONEFLAG_HAS_LOCAL_COORDINATE=0x0800 BONEFLAG_IS_AFTER_PHYSICS_DEFORM=0x1000 BONEFLAG_IS_EXTERNAL_PARENT_DEFORM=0x2000 class Bone(common.Diff): """material Bone: see __init__ """ __slots__=[ 'name', 'english_name', 'position', 'parent_index', 'layer', 'flag', 'tail_position', 'tail_index', 'effect_index', 'effect_factor', 'fixed_axis', 'local_x_vector', 'local_z_vector', 'external_key', 'ik', 'index', ] def __init__(self, name, english_name, position, parent_index, layer, flag, tail_position=None, tail_index=-1, effect_index=-1, effect_factor=0.0, fixed_axis=None, local_x_vector=None, local_z_vector=None, external_key=-1, ik=None ): self.name=name self.english_name=english_name self.position=position self.parent_index=parent_index self.layer=layer self.flag=flag self.tail_position=tail_position or common.Vector3() self.tail_index=tail_index self.effect_index=effect_index self.effect_factor=effect_factor self.fixed_axis=fixed_axis or common.Vector3() self.local_x_vector=local_x_vector or common.Vector3() self.local_z_vector=local_z_vector or common.Vector3() self.external_key=external_key self.ik=ik self.index=-1 def __str__(self): return ("<pmx.Bone {name}>".format( name=self.name )) def __eq__(self, rhs): return ( self.name==rhs.name and self.english_name==rhs.english_name and self.position==rhs.position and self.parent_index==rhs.parent_index and self.layer==rhs.layer and self.flag==rhs.flag ) def __ne__(self, rhs): return not self.__eq__(rhs) def diff(self, rhs): self._diff(rhs, 'name') self._diff(rhs, 'english_name') self._diff(rhs, 'position') self._diff(rhs, 'parent_index') #self._diff(rhs, 'layer') self._diff(rhs, 'flag') self._diff(rhs, 'tail_position') self._diff(rhs, 'tail_index') self._diff(rhs, 'effect_index') self._diff(rhs, 'effect_factor') self._diff(rhs, 'fixed_axis') self._diff(rhs, 'local_x_vector') self._diff(rhs, 'local_z_vector') self._diff(rhs, 'external_key') if self.ik and rhs.ik: self.ik.diff(rhs.ik) else: self._diff(rhs, 'ik') def hasFlag(self, flag): return (self.flag & flag)!=0 def setFlag(self, flag, enable): if enable: self.flag |= flag else: self.flag &= ~flag def getConnectionFlag(self): return self.hasFlag(BONEFLAG_TAILPOS_IS_BONE) def getRotatable(self): return self.hasFlag(BONEFLAG_CAN_ROTATE) def getTranslatable(self): return self.hasFlag(BONEFLAG_CAN_TRANSLATE) def getVisibleFlag(self): return self.hasFlag(BONEFLAG_IS_VISIBLE) def getManipulatable(self): return self.hasFlag(BONEFLAG_CAN_MANIPULATE) def getIkFlag(self): return self.hasFlag(BONEFLAG_IS_IK) def getExternalRotationFlag(self): return self.hasFlag(BONEFLAG_IS_EXTERNAL_ROTATION) def getExternalTranslationFlag(self): return self.hasFlag(BONEFLAG_IS_EXTERNAL_TRANSLATION) def getFixedAxisFlag(self): return self.hasFlag(BONEFLAG_HAS_FIXED_AXIS) def getLocalCoordinateFlag(self): return self.hasFlag(BONEFLAG_HAS_LOCAL_COORDINATE) def getAfterPhysicsDeformFlag(self): return self.hasFlag(BONEFLAG_IS_AFTER_PHYSICS_DEFORM) def getExternalParentDeformFlag(self): return self.hasFlag(BONEFLAG_IS_EXTERNAL_PARENT_DEFORM) MATERIALFLAG_BOTHFACE=0x01 MATERIALFLAG_GROUNDSHADOW=0x02 MATERIALFLAG_SELFSHADOWMAP=0x04 MATERIALFLAG_SELFSHADOW=0x08 MATERIALFLAG_EDGE=0x10 MATERIALSPHERE_NONE=0 MATERIALSPHERE_SPH=1 MATERIALSPHERE_SPA=2 class Material(common.Diff): """material Attributes: see __init__ """ __slots__=[ 'name', 'english_name', 'diffuse_color', 'alpha', 'specular_color', 'specular_factor', 'ambient_color', 'flag', 'edge_color', 'edge_size', 'texture_index', 'sphere_texture_index', 'sphere_mode', 'toon_sharing_flag', 'toon_texture_index', 'comment', 'vertex_count', ] def __init__(self, name, english_name, diffuse_color, alpha, specular_factor, specular_color, ambient_color, flag, edge_color, edge_size, texture_index, sphere_texture_index, sphere_mode, toon_sharing_flag, toon_texture_index=0, comment=common.unicode(""), vertex_count=0, ): self.name=name self.english_name=english_name self.diffuse_color=diffuse_color self.alpha=alpha self.specular_c