+ def export(self):
+ scene = bpy.data.scenes.active
+
+ objs = Blender.Object.GetSelected()
+ if not objs:
+ raise Exception, "Nothing to export"
+ for o in objs:
+ if o.getType()!="Mesh":
+ raise Exception, "Can only export Mesh data"
+
+ mesh = Blender.Mesh.New("export_tmp")
+ mesh.getFromObject(objs[0])
+ mesh = Mesh(mesh)
+ if self.compound:
+ # Must keep a ref to each Blender mesh
+ bmeshes = []
+ for o in objs[1:]:
+ bmesh = Blender.Mesh.New("export_tmp")
+ bmesh.getFromObject(o)
+ bmeshes.append(bmesh)
+ mesh.splice(Mesh(bmesh))
+
+ if self.debug:
+ ntris = sum([len(f.verts)-2 for f in mesh.faces])
+ print "Starting with %d vertices, %d faces (%d triangles) and %d edges"%(len(mesh.verts), len(mesh.faces), ntris, len(mesh.edges))
+
+ mesh.split_smooth(self.split_debug)
+
+ if self.debug:
+ print "After smooth splitting %d vertices and %d edges"%(len(mesh.verts), len(mesh.edges))
+
+ mesh.compute_normals()
+
+ if self.material_tex:
+ mesh.generate_material_uv()
+
+ if mesh.faceUV:
+ mesh.split_uv(self.split_debug)
+ if self.debug:
+ print "After UV splitting %d vertices and %d edges"%(len(mesh.verts), len(mesh.edges))
+
+ mesh.compute_uv()
+ if self.tbn_vecs:
+ mesh.compute_tbn()
+
+ strips = []
+ loose = mesh.faces
+ if self.use_strips:
+ strips, loose = self.stripify(mesh)
+
+ if self.object:
+ self.out_file.begin("mesh")
+
+ fmt = "NORMAL3"
+ if mesh.faceUV:
+ fmt += "_TEXCOORD2"
+ if self.tbn_vecs:
+ fmt += "_ATTRIB33_ATTRIB34"
+ fmt += "_VERTEX3"
+ self.out_file.begin("vertices", fmt)
+ norm = None
+ uv = None
+ tan = None
+ bino = None
+ for v in mesh.verts:
+ if v.no!=norm:
+ self.out_file.write("normal3", *v.no)
+ norm = v.no
+ if v.uv!=uv:
+ self.out_file.write("texcoord2", *v.uv)
+ uv = v.uv
+ if v.tan!=tan:
+ self.out_file.write("attrib3", 3, *v.tan)
+ tan = v.tan
+ if v.bino!=bino:
+ self.out_file.write("attrib3", 4, *v.bino)
+ bino = v.bino
+ self.out_file.write("vertex3", *v.co)
+ self.out_file.end()
+ for s in strips:
+ self.out_file.begin("batch", "TRIANGLE_STRIP")
+ indices = []
+ n = 0
+ for v in s:
+ indices.append(v.index)
+ if len(indices)>=32:
+ self.out_file.write("indices", *indices)
+ indices = []
+ if indices:
+ self.out_file.write("indices", *indices)
+ self.out_file.end()
+
+ if loose:
+ self.out_file.begin("batch", "TRIANGLES")
+ for f in loose:
+ for i in range(2, len(f.verts)):
+ self.out_file.write("indices", f.verts[0].index, f.verts[i-1].index, f.verts[i].index)
+ self.out_file.end()
+
+ if self.export_lines and mesh.lines:
+ self.out_file.write("batch", "LINES")
+ for l in mesh.lines:
+ self.out_file.write("indices", l.verts[0].index, l.verts[1].index)
+ self.out_file.end()
+
+ if self.object:
+ self.out_file.end()
+ self.out_file.begin("technique")
+ self.out_file.begin("pass", '""')
+ if self.material_tex:
+ self.out_file.begin("material")
+ self.out_file.write("diffuse", 1.0, 1.0, 1.0, 1.0)
+ self.out_file.end()
+ self.out_file.begin("texunit", 0)
+ self.out_file.begin("texture2d")
+ self.out_file.write("min_filter", "NEAREST")
+ self.out_file.write("mag_filter", "NEAREST")
+ self.out_file.write("storage", "RGB", len(mesh.materials), 1)
+ texdata = '"'
+ for m in mesh.materials:
+ texdata += "\\x%02X\\x%02X\\x%02X"%(int(m.R*255), int(m.G*255), int(m.B*255))
+ texdata += '"'
+ self.out_file.write("raw_data", texdata)
+ self.out_file.end()
+ self.out_file.end()
+ elif mesh.materials:
+ m = mesh.materials[0]
+ self.out_file.begin("material")
+ self.out_file.write("diffuse", m.R, m.G, m.B, 1.0)
+ self.out_file.write("ambient", m.R*m.amb, m.G*m.amb, m.B*m.amb, 1.0)
+ self.out_file.write("specular", m.specR*m.spec, m.specG*m.spec, m.specB*m.spec, 1.0)
+ self.out_file.write("shininess", m.hard);
+ self.out_file.end()
+ self.out_file.end()
+ self.out_file.end()