X-Git-Url: http://git.osdn.jp/view?a=blobdiff_plain;f=pymeshio%2Fpmx%2F__init__.py;h=e367e46973bdbb9d20c0c25d545b0627a653641a;hb=924bae1667aea0f57dd3de11b1248c12bc9a95d1;hp=f267af1944faf5ff950ea0252464dbe07995f465;hpb=6ba3cdd9bcbb7d5da306fa64eef5942ace19f175;p=meshio%2Fpymeshio.git

diff --git a/pymeshio/pmx/__init__.py b/pymeshio/pmx/__init__.py
index f267af1..e367e46 100644
--- a/pymeshio/pmx/__init__.py
+++ b/pymeshio/pmx/__init__.py
@@ -1,10 +1,22 @@
 #!/usr/bin/env python
 # coding: utf-8
 """
-pmx file io library.
+========================
+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: 
 
-pmx file format:
-    PMDEditor's Lib/PMX仕様/PMX仕様.txt
 """
 __author__="ousttrue"
 __license__="zlib"
@@ -14,11 +26,46 @@ __versioon__="1.0.0"
 import io
 import os
 import struct
-from pymeshio import common
+from .. import common
 
 
 
-class Ik(object):
+class DifferenceException(Exception):
+    pass
+
+
+class Diff(object):
+    def _diff(self, rhs, key):
+        l=getattr(self, key)
+        r=getattr(rhs, key)
+        if l!=r:
+            print(l)
+            print(r)
+            raise DifferenceException(key)
+
+    def _diff_array(self, rhs, key):
+        la=getattr(self, key)
+        ra=getattr(rhs, key)
+        if len(la)!=len(ra):
+            raise DifferenceException("%s diffrence %d with %d" % (key, len(la), len(ra)))
+        for i, (l, r) in enumerate(zip(la, ra)):
+            if isinstance(l, Diff):
+                try:
+                    l.diff(r)
+                except DifferenceException as e:
+                    print(i)
+                    print(l)
+                    print(r)
+                    raise DifferenceException("{0}: {1}".format(key, e.message))
+            else:
+                if l!=r:
+                    print(i)
+                    print(l)
+                    print(r)
+                    raise DifferenceException("{0}".format(key))
+
+
+class Ik(Diff):
     """ik info
     """
     __slots__=[
@@ -27,14 +74,28 @@ class Ik(object):
             'limit_radian',
             'link',
             ]
-    def __init__(self, target_index, loop, limit_radian):
+    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=[]
+        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(object):
+
+class IkLink(Diff):
     """ik link info
     """
     __slots__=[
@@ -43,14 +104,28 @@ class IkLink(object):
             'limit_min',
             'limit_max',
             ]
-    def __init__(self, bone_index, limit_angle):
+    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=None
-        self.limit_max=None
+        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')
 
-class Bone(object):
+
+class Bone(Diff):
     """material
 
     Bone: see __init__
@@ -63,7 +138,7 @@ class Bone(object):
             'layer',
             'flag',
 
-            'tail_positoin',
+            'tail_position',
             'tail_index',
             'effect_index',
             'effect_factor',
@@ -74,43 +149,97 @@ class Bone(object):
             'ik',
             ]
     def __init__(self,
-            name: str,
-            english_name: str,
-            position: common.Vector3,
-            parent_index: int,
-            layer: int,
-            flag: int
+            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.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
+
+    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 getConnectionFlag(self):
+        return (self.flag & 0x0001)!=0
 
-    def getConnectionFlag(self) -> int:
-        return self.flag & 0x0001
+    def getVisibleFlag(self):
+        return (self.flag & 0x0008)!=0
 
-    def getIkFlag(self) -> int:
-        return (self.flag & 0x0020) >> 5
+    def getIkFlag(self):
+        return (self.flag & 0x0020)!=0
 
-    def getRotationFlag(self) -> int:
-        return (self.flag & 0x0100) >> 8
+    def getRotationFlag(self):
+        return (self.flag & 0x0100)!=0
 
-    def getTranslationFlag(self) -> int:
-        return (self.flag & 0x0200) >> 9
+    def getTranslationFlag(self):
+        return (self.flag & 0x0200)!=0
 
-    def getFixedAxisFlag(self) -> int:
-        return (self.flag & 0x0400) >> 10
+    def getFixedAxisFlag(self):
+        return (self.flag & 0x0400)!=0
 
-    def getLocalCoordinateFlag(self) -> int:
-        return (self.flag &  0x0800) >> 11
+    def getLocalCoordinateFlag(self):
+        return (self.flag &  0x0800)!=0
     
-    def getExternalParentDeformFlag(self) -> int:
-        return (self.flag &  0x2000) >> 13
+    def getExternalParentDeformFlag(self):
+        return (self.flag &  0x2000)!=0
 
  
-class Material(object):
+class Material(Diff):
     """material
 
     Attributes: see __init__
@@ -119,7 +248,7 @@ class Material(object):
             'name',
             'english_name',
             'diffuse_color',
-            'diffuse_alpha',
+            'alpha',
             'specular_color',
             'specular_factor',
             'ambient_color',
@@ -127,33 +256,36 @@ class Material(object):
             'edge_color',
             'edge_size',
             'texture_index',
-            'sphia_texture_index',
-            'sphia_mode',
+            'sphere_texture_index',
+            'sphere_mode',
             'toon_sharing_flag',
             'toon_texture_index',
             'comment',
-            'index_count',
+            'vertex_count',
             ]
     def __init__(self,
-            name: str,
-            english_name: str,
-            diffuse_color: common.RGB,
-            diffuse_alpha: float,
-            specular_color: common.RGB,
-            specular_factor: float,
-            ambient_color: common.RGB,
-            flag: int,
-            edge_color: common.RGBA,
-            edge_size: float,
-            texture_index: int,
-            sphia_texture_index: int,
-            sphia_mode: int,
-            toon_sharing_flag: int
+            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.diffuse_alpha=diffuse_alpha
+        self.alpha=alpha
         self.specular_color=specular_color
         self.specular_factor=specular_factor
         self.ambient_color=ambient_color
@@ -161,64 +293,167 @@ class Material(object):
         self.edge_color=edge_color
         self.edge_size=edge_size
         self.texture_index=texture_index
-        self.sphia_texture_index=sphia_texture_index
-        self.sphia_mode=sphia_mode
+        self.sphere_texture_index=sphere_texture_index
+        self.sphere_mode=sphere_mode
         self.toon_sharing_flag=toon_sharing_flag
-        #
-        self.toon_texture_index=None
-        self.comment=''
-        self.index_count=0
-
-
-class Deform(object):
-    pass
-
-
-class Bdef1(object):
+        self.toon_texture_index=toon_texture_index
+        self.comment=comment
+        self.vertex_count=vertex_count
+
+    def __eq__(self, rhs):
+        return (
+                self.name==rhs.name
+                and self.english_name==rhs.english_name
+                and self.diffuse_color==rhs.diffuse_color
+                and self.alpha==rhs.alpha
+                and self.specular_color==rhs.specular_color
+                and self.specular_factor==rhs.specular_factor
+                and self.ambient_color==rhs.ambient_color
+                and self.flag==rhs.flag
+                and self.edge_color==rhs.edge_color
+                and self.edge_size==rhs.edge_size
+                and self.texture_index==rhs.texture_index
+                and self.sphere_texture_index==rhs.sphere_texture_index
+                and self.sphere_mode==rhs.sphere_mode
+                and self.toon_sharing_flag==rhs.toon_sharing_flag
+                and self.toon_texture_index==rhs.toon_texture_index
+                and self.comment==rhs.comment
+                and self.vertex_count==rhs.vertex_count
+                )
+
+    def diff(self, rhs):
+        #self._diff(rhs, "name")
+        self._diff(rhs, "english_name")
+        self._diff(rhs, "diffuse_color")
+        self._diff(rhs, "alpha")
+        self._diff(rhs, "specular_color")
+        self._diff(rhs, "specular_factor")
+        self._diff(rhs, "ambient_color")
+        self._diff(rhs, "flag")
+        self._diff(rhs, "edge_color")
+        self._diff(rhs, "edge_size")
+        self._diff(rhs, "texture_index")
+        self._diff(rhs, "sphere_texture_index")
+        self._diff(rhs, "sphere_mode")
+        self._diff(rhs, "toon_sharing_flag")
+        self._diff(rhs, "toon_texture_index")
+        self._diff(rhs, "comment")
+        self._diff(rhs, "vertex_count")
+
+    def __ne__(self, rhs):
+        return not self.__eq__(rhs)
+
+    def __str__(self):
+        return ("<pmx.Material {name}>".format(
+            name=self.english_name
+            ))
+
+
+class Bdef1(Diff):
     """bone deform. use a weight
 
     Attributes: see __init__
     """
-    __slots__=[ 'bone_index']
-    def __init__(self, bone_index: int):
-        self.bone_index=bone_index
+    __slots__=[ 'index0']
+    def __init__(self, index0):
+        self.index0=index0
+
+    def __str__(self):
+        return "<Bdef1 {0}>".format(self.index0)
+
+    def __eq__(self, rhs):
+        return self.index0==rhs.index0
 
+    def __ne__(self, rhs):
+        return not self.__eq__(rhs)
 
-class Bdef2(object):
+
+class Bdef2(Diff):
     """bone deform. use two weights
 
     Attributes: see __init__
     """
     __slots__=[ 'index0', 'index1', 'weight0']
     def __init__(self, 
-            index0: int,
-            index1: int,
-            weight0: float):
+            index0,
+            index1,
+            weight0):
         self.index0=index0
         self.index1=index1
         self.weight0=weight0
 
+    def __str__(self):
+        return "<Bdef2 {0}, {1}, {2}>".format(self.index0, self.index1, self.weight0)
 
-class Vertex(object):
-    """pmx vertex
+    def __eq__(self, rhs):
+        return (
+                self.index0==rhs.index0
+                and self.index1==rhs.index1
+                #and self.weight0==rhs.weight0
+                and abs(self.weight0-rhs.weight0)<1e-5
+                )
 
-    Attributes: see __init__
+    def __ne__(self, rhs):
+        return not self.__eq__(rhs)
+
+
+class Vertex(Diff):
+    """
+    ==========
+    pmx vertex
+    ==========
+
+    :IVariables:
+        position
+            Vector3
+        normal 
+            Vector3
+        uv 
+            Vector2
+        deform
+            Bdef1, Bdef2 or Bdef4
+        edge_factor
+            float
     """
     __slots__=[ 'position', 'normal', 'uv', 'deform', 'edge_factor' ]
     def __init__(self, 
-            position: common.Vector3, 
-            normal: common.Vector3, 
-            uv: common.Vector2, 
-            deform: Deform, 
-            edge_factor: float):
+            position, 
+            normal, 
+            uv, 
+            deform, 
+            edge_factor):
         self.position=position 
         self.normal=normal
         self.uv=uv
         self.deform=deform
         self.edge_factor=edge_factor
 
+    def __str__(self):
+        return "<Vertex position:{0}, normal:{1}, uv:{2}, deform:{3}, edge:{4}".format(
+                self.position, self.normal, self.uv, self.deform, self.edge_factor
+                )
+
+    def __eq__(self, rhs):
+        return (
+                self.position==rhs.position
+                and self.normal==rhs.normal
+                and self.uv==rhs.uv
+                and self.deform==rhs.deform
+                and self.edge_factor==rhs.edge_factor
+                )
+
+    def __ne__(self, rhs):
+        return not self.__eq__(rhs)
+
+    def diff(self, rhs):
+        self._diff(rhs, "position")
+        self._diff(rhs, "normal")
+        self._diff(rhs, "uv")
+        self._diff(rhs, "deform")
+        self._diff(rhs, "edge_factor")
 
-class Morph(object):
+
+class Morph(Diff):
     """pmx morph
 
     Attributes:
@@ -235,15 +470,34 @@ class Morph(object):
             'morph_type',
             'offsets',
             ]
-    def __init__(self, name, english_name, panel, morph_type):
+    def __init__(self, name, english_name, panel, morph_type, offsets=None):
         self.name=name
         self.english_name=english_name
         self.panel=panel
         self.morph_type=morph_type
-        self.offsets=[]
+        self.offsets=offsets or []
+
+    def __eq__(self, rhs):
+        return (
+                self.name==rhs.name
+                and self.english_name==rhs.english_name
+                and self.panel==rhs.panel
+                and self.morph_type==rhs.morph_type
+                and self.offsets==rhs.offsets
+                )
+
+    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, 'panel')
+        self._diff(rhs, 'morph_type')
+        self._diff_array(rhs, 'offsets')
 
 
-class VerexMorphOffset(object):
+class VertexMorphOffset(Diff):
     """pmx vertex morph offset
 
     Attributes:
@@ -258,55 +512,63 @@ class VerexMorphOffset(object):
         self.vertex_index=vertex_index
         self.position_offset=position_offset
 
+    def __eq__(self, rhs):
+        return (
+                self.vertex_index==rhs.vertex_index 
+                and self.position_offset==rhs.position_offset
+                )
 
-class DisplaySlot(object):
+    def __ne__(self, rhs):
+        return not self.__eq__(rhs)
+
+    def diff(self, rhs):
+        self._diff(rhs, 'vertex_index')
+        self._diff(rhs, 'position_offset')
+
+
+class DisplaySlot(Diff):
     """pmx display slot
 
     Attributes:
         name: 
         english_name: 
         special_flag:
-        refrences: list of (ref_type, ref_index)
+        references: list of (ref_type, ref_index)
     """
     __slots__=[
             'name',
             'english_name',
             'special_flag',
-            'refrences',
+            'references',
             ]
-    def __init__(self, name, english_name, special_flag):
+    def __init__(self, name, english_name, special_flag, references=None):
         self.name=name
         self.english_name=english_name
         self.special_flag=special_flag
-        self.refrences=[]
-
-
-class Shape(object):
-    pass
-
-
-class SphereShape(Shape):
-    __slots__=['radius']
-    def __init__(self, radius):
-        self.radius=radius
+        self.references=references or []
 
+    def __str__(self):
+        return "<DisplaySlots %s(%d)>" % (self.name, len(self.references))
 
-class CapsuleShape(Shape):
-    __slots__=['short_radius', 'long_radius']
-    def __init__(self, short_radius, long_radius): 
-        self.short_radius=short_radius
-        self.long_radius=long_radius
+    def __eq__(self, rhs):
+        return (
+                self.name==rhs.name
+                and self.english_name==rhs.english_name
+                and self.special_flag==rhs.special_flag
+                and self.references==rhs.references
+                )
 
+    def __ne__(self, rhs):
+        return not self.__eq__(rhs)
 
-class BoxShape(Shape):
-    __slots__=['x', 'y', 'z']
-    def __init__(self, x, y, z):
-        self.x=x
-        self.y=y
-        self.z=z
+    def diff(self, rhs):
+        self._diff(rhs, 'name')
+        self._diff(rhs, 'english_name')
+        self._diff(rhs, 'special_flag')
+        #self._diff_array(rhs, 'references')
 
 
-class RigidBodyParam(object):
+class RigidBodyParam(Diff):
     """pmx rigidbody param(for bullet)
 
     Attributes:
@@ -331,7 +593,27 @@ class RigidBodyParam(object):
         self.restitution=restitution
         self.friction=friction
 
-class RigidBody(object):
+    def __eq__(self, rhs):
+        return (
+                self.mass==rhs.mass
+                and self.linear_damping==rhs.linear_damping
+                and self.angular_damping==rhs.angular_damping
+                and self.restitution==rhs.restitution
+                and self.friction==rhs.friction
+                )
+
+    def __ne__(self, rhs):
+        return not self.__eq__(rhs)
+
+    def diff(self, rhs):
+        self._diff(rhs, 'mass')
+        self._diff(rhs, 'linear_damping')
+        self._diff(rhs, 'angular_damping')
+        self._diff_array(rhs, 'restitution')
+        self._diff_array(rhs, 'friction')
+
+
+class RigidBody(Diff):
     """pmx rigidbody
 
     Attributes:
@@ -339,7 +621,7 @@ class RigidBody(object):
         english_name: 
         bone_index:
         collision_group:
-        no_collision_flag:
+        no_collision_group:
         shape:
         param:
         mode:
@@ -349,8 +631,11 @@ class RigidBody(object):
             'english_name',
             'bone_index',
             'collision_group',
-            'no_collision_flag',
-            'shape',
+            'no_collision_group',
+            'shape_type',
+            'shape_size',
+            'shape_position',
+            'shape_rotation',
             'param',
             'mode',
             ]
@@ -359,7 +644,7 @@ class RigidBody(object):
             english_name,
             bone_index,
             collision_group,
-            no_collision_flag,
+            no_collision_group,
             shape_type,
             shape_size,
             shape_position,
@@ -375,45 +660,182 @@ class RigidBody(object):
         self.english_name=english_name
         self.bone_index=bone_index
         self.collision_group=collision_group
-        self.no_collision_flag=no_collision_flag
-        if shape_type==0:
-            self.shape=SphereShape(shape_size.x)
-        elif shape_type==1:
-            self.shape=BoxShape(shape_size.x, shape_size.y, shape_size.z)
-        elif shape_type==2:
-            self.shape=CapsuleShape(shape_size.x, shape_size.y)
-        else:
-            raise pymeshio.common.ParseException(
-                    "unknown shape_type: {0}".format(shape_type))
+        self.no_collision_group=no_collision_group
+        self.shape_type=shape_type
+        self.shape_size=shape_size
+        self.shape_position=shape_position
+        self.shape_rotation=shape_rotation
         self.param=RigidBodyParam(mass,
                 linear_damping, angular_damping,
                 restitution, friction)
         self.mode=mode
 
-
-class Model(object):
-    """pmx data representation
+    def __eq__(self, rhs):
+        return (
+                self.name==rhs.name
+                and self.english_name==rhs.english_name
+                and self.bone_index==rhs.bone_index
+                and self.collision_group==rhs.collision_group
+                and self.no_collision_group==rhs.no_collision_group
+                and self.shape_type==rhs.shape_type
+                and self.shape_size==rhs.shape_size
+                and self.param==rhs.param
+                and self.mode==rhs.mode
+                )
+
+    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, 'bone_index')
+        self._diff(rhs, 'collision_group')
+        self._diff(rhs, 'no_collision_group')
+        self._diff(rhs, 'shape_type')
+        self._diff(rhs, 'shape_size')
+        self._diff(rhs, 'shape_position')
+        self._diff(rhs, 'shape_rotation')
+        self._diff(rhs, 'param')
+        self._diff(rhs, 'mode')
+
+
+class Joint(Diff):
+    """pmx joint
 
     Attributes:
-        version: pmx version(expected 2.0)
         name: 
         english_name: 
-        comment: 
-        english_comment: 
-        vertices:
-        textures:
-        materials:
-        bones:
-        morph:
-        display_slots:
-        rigidbodies:
+        joint_type:
+        rigidbody_index_a:
+        rigidbody_index_b:
+        position: Vector3
+        rotation: Vector3
+        translation_limit_min: Vector3
+        translation_limit_max: Vector3
+        rotation_limit_min: Vector3
+        rotation_limit_max: Vector3
+        spring_constant_translation: Vector3
+        spring_constant_rotation: Vector3
+    """
+    __slots__=[
+            'name',
+            'english_name',
+            'joint_type',
+            'rigidbody_index_a',
+            'rigidbody_index_b',
+            'position',
+            'rotation',
+            'translation_limit_min',
+            'translation_limit_max',
+            'rotation_limit_min',
+            'rotation_limit_max',
+            'spring_constant_translation',
+            'spring_constant_rotation',
+            ]
+    def __init__(self, name, english_name,
+            joint_type,
+            rigidbody_index_a,
+            rigidbody_index_b,
+            position,
+            rotation,
+            translation_limit_min,
+            translation_limit_max,
+            rotation_limit_min,
+            rotation_limit_max,
+            spring_constant_translation,
+            spring_constant_rotation
+            ):
+        self.name=name
+        self.english_name=english_name
+        self.joint_type=joint_type
+        self.rigidbody_index_a=rigidbody_index_a
+        self.rigidbody_index_b=rigidbody_index_b
+        self.position=position
+        self.rotation=rotation
+        self.translation_limit_min=translation_limit_min
+        self.translation_limit_max=translation_limit_max
+        self.rotation_limit_min=rotation_limit_min
+        self.rotation_limit_max=rotation_limit_max
+        self.spring_constant_translation=spring_constant_translation
+        self.spring_constant_rotation=spring_constant_rotation
+
+    def __eq__(self, rhs):
+        return (
+                self.name==rhs.name
+                and self.english_name==rhs.english_name
+                and self.joint_type==rhs.joint_type
+                and self.rigidbody_index_a==rhs.rigidbody_index_a
+                and self.rigidbody_index_b==rhs.rigidbody_index_b
+                and self.position==rhs.position
+                and self.rotation==rhs.rotation
+                and self.translation_limit_min==rhs.translation_limit_min
+                and self.translation_limit_max==rhs.translation_limit_max
+                and self.rotation_limit_min==rhs.rotation_limit_min
+                and self.rotation_limit_max==rhs.rotation_limit_max
+                and self.spring_constant_translation==rhs.spring_constant_translation
+                and self.spring_constant_rotation==rhs.spring_constant_rotation
+                )
+
+    def __ne__(self, rhs):
+        return not self.__eq__(rhs)
+
+    def diff(self, rhs):
+        self._diff(rhs, 'name')
+        self._diff(rhs, 'joint_type')
+        self._diff(rhs, 'rigidbody_index_a')
+        self._diff(rhs, 'rigidbody_index_b')
+        self._diff(rhs, 'position')
+        self._diff(rhs, 'rotation')
+        self._diff(rhs, 'translation_limit_min')
+        self._diff(rhs, 'translation_limit_max')
+        self._diff(rhs, 'rotation_limit_min')
+        self._diff(rhs, 'rotation_limit_max')
+        self._diff(rhs, 'spring_constant_translation')
+        self._diff(rhs, 'spring_constant_rotation')
+
+
+class Model(Diff):
+    """
+    ==========
+    pmx model
+    ==========
+
+    :IVariables:
+        version
+            pmx version(expected 2.0)
+        name 
+            model name
+        english_name 
+            model name
+        comment 
+            comment
+        english_comment 
+            comment
+        vertices
+            vertex list
+        textures
+            texture list
+        materials
+            material list
+        bones
+            bone list
+        morph
+            morph list
+        display_slots
+            display list for bone/morph grouping
+        rigidbodies
+            bullet physics rigidbody list
+        joints
+            bullet physics joint list
     """
     __slots__=[
-            'version', # pmx version
-            'name', # model name
-            'english_name', # model name in english
-            'comment', # model comment
-            'english_comment', # model comment in english
+            'path',
+            'version',
+            'name',
+            'english_name',
+            'comment',
+            'english_comment',
             'vertices',
             'indices',
             'textures',
@@ -422,8 +844,10 @@ class Model(object):
             'morphs',
             'display_slots',
             'rigidbodies',
+            'joints',
             ]
-    def __init__(self, version):
+    def __init__(self, version=2.0):
+        self.path=''
         self.version=version
         self.name=''
         self.english_name=''
@@ -434,5 +858,52 @@ class Model(object):
         self.textures=[]
         self.materials=[]
         self.bones=[]
+        self.morphs=[]
+        self.display_slots=[]
         self.rigidbodies=[]
+        self.joints=[]
+
+    def __str__(self):
+        return ('<pmx-{version} "{name}" {vertices}vertices>'.format(
+            version=self.version,
+            name=self.english_name,
+            vertices=len(self.vertices)
+            ))
+
+    def __eq__(self, rhs):
+        return (
+                self.version==rhs.version
+                and self.name==rhs.name
+                and self.english_name==rhs.english_name
+                and self.comment==rhs.comment
+                and self.english_comment==rhs.english_comment
+                and self.vertices==rhs.vertices
+                and self.indices==rhs.indices
+                and self.textures==rhs.textures
+                and self.materials==rhs.materials
+                and self.bones==rhs.bones
+                and self.morphs==rhs.morphs
+                and self.display_slots==rhs.display_slots
+                and self.rigidbodies==rhs.rigidbodies
+                and self.joints==rhs.joints
+                )
+
+    def __ne__(self, rhs):
+        return not self.__eq__(rhs)
+
+    def diff(self, rhs):
+        self._diff(rhs, "version")
+        self._diff(rhs, "name")
+        self._diff(rhs, "english_name")
+        self._diff(rhs, "comment")
+        self._diff(rhs, "english_comment")
+        self._diff_array(rhs, "vertices")
+        self._diff_array(rhs, "indices")
+        self._diff_array(rhs, "textures")
+        self._diff_array(rhs, "materials")
+        self._diff_array(rhs, "bones")
+        self._diff_array(rhs, "morphs")
+        self._diff_array(rhs, "display_slots")
+        self._diff_array(rhs, "rigidbodies")
+        self._diff_array(rhs, "joints")