+class Edge:
+ def __init__(self, me):
+ self._medge=me
+ self.faces=[]
+ self.smooth=False
+
+ def __getattr__(self, attr):
+ return getattr(self._medge, attr)
+
+ def check_smooth(self, limit):
+ if len(self.faces)!=2:
+ return
+
+ d=Blender.Mathutils.DotVecs(self.faces[0].no, self.faces[1].no)
+ if (d>limit and self.faces[0].smooth and self.faces[1].smooth) or d>0.999:
+ self.smooth=1
+
+ def other_face(self, f):
+ if f.index==self.faces[0].index:
+ if len(self.faces)>=2:
+ return self.faces[1]
+ else:
+ return None
+ else:
+ return self.faces[0]
+
+
+class Vertex:
+ def __init__(self, mv):
+ if mv.__class__==Vertex:
+ self._mvert=mv._mvert
+ else:
+ self._mvert=mv
+
+ def __getattr__(self, attr):
+ return getattr(self._mvert, attr)
+
+
+class Face:
+ def __init__(self, mf):
+ self._mface=mf
+ self.smooth_group=None
+ self.edges=[]
+ self.verts=[v for v in mf.verts]
+
+ def __getattr__(self, attr):
+ return getattr(self._mface, attr)
+
+
+class SmoothGroup:
+ def __init__(self):
+ self.faces=[]
+ self.verts=[]
+
+ def find_vertices(self):
+ vert_map={}
+ for f in self.faces:
+ for i in range(len(f.verts)):
+ v=f.verts[i]
+ if v.index not in vert_map:
+ vt=Vertex(v)
+ if not f.smooth:
+ vt.no=f.no
+ self.verts.append(vt)
+ vert_map[v.index]=vt
+ f.verts[i]=vt
+ else:
+ f.verts[i]=vert_map[v.index]
+
+