Panda3D
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00001 // Filename: eggMesherFanMaker.h 00002 // Created by: drose (22Mar05) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #ifndef EGGMESHERFANMAKER_H 00016 #define EGGMESHERFANMAKER_H 00017 00018 #include "pandabase.h" 00019 00020 #include "eggMesherEdge.h" 00021 #include "eggMesherStrip.h" 00022 #include "config_egg.h" 00023 #include "plist.h" 00024 #include "pvector.h" 00025 00026 #include "pnotify.h" 00027 #include "mathNumbers.h" 00028 00029 class EggMesher; 00030 00031 //////////////////////////////////////////////////////////////////// 00032 // Class : EggMesherFanMaker 00033 // Description : This class is used by EggMesher::find_fans() to 00034 // attempt to make an EggTriangleFan out of the polygons 00035 // connected to the indicated vertex. 00036 //////////////////////////////////////////////////////////////////// 00037 class EggMesherFanMaker { 00038 public: 00039 typedef plist<const EggMesherEdge *> Edges; 00040 typedef plist<EggMesherStrip *> Strips; 00041 00042 EggMesherFanMaker(int vertex, EggMesherStrip *tri, 00043 EggMesher *mesher); 00044 EggMesherFanMaker(const EggMesherFanMaker ©); 00045 void operator = (const EggMesherFanMaker ©); 00046 00047 INLINE bool operator < (const EggMesherFanMaker &other) const; 00048 INLINE bool operator != (const EggMesherFanMaker &other) const; 00049 INLINE bool operator == (const EggMesherFanMaker &other) const; 00050 00051 INLINE bool is_empty() const; 00052 INLINE bool is_valid() const; 00053 INLINE bool is_coplanar_with(const EggMesherFanMaker &other) const; 00054 00055 bool join(EggMesherFanMaker &other); 00056 double compute_angle() const; 00057 00058 int build(EggGroupNode *unrolled_tris); 00059 int unroll(Strips::iterator strip_begin, Strips::iterator strip_end, 00060 Edges::iterator edge_begin, Edges::iterator edge_end, 00061 EggGroupNode *unrolled_tris); 00062 00063 void output(ostream &out) const; 00064 00065 int _vertex; 00066 Edges _edges; 00067 Strips _strips; 00068 bool _planar; 00069 EggMesher *_mesher; 00070 }; 00071 00072 INLINE ostream &operator << (ostream &out, const EggMesherFanMaker &fm); 00073 00074 #include "eggMesherFanMaker.I" 00075 00076 #endif