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cLwoPolygons.h
00001 // Filename: cLwoPolygons.h
00002 // Created by:  drose (25Apr01)
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 CLWOPOLYGONS_H
00016 #define CLWOPOLYGONS_H
00017 
00018 #include "pandatoolbase.h"
00019 
00020 #include "lwoPolygons.h"
00021 #include "eggGroup.h"
00022 #include "pointerTo.h"
00023 
00024 #include "pmap.h"
00025 
00026 class LwoToEggConverter;
00027 class CLwoPoints;
00028 class CLwoSurface;
00029 class LwoTags;
00030 class LwoPolygonTags;
00031 class LwoDiscontinuousVertexMap;
00032 
00033 ////////////////////////////////////////////////////////////////////
00034 //       Class : CLwoPolygons
00035 // Description : This class is a wrapper around LwoPolygons and stores
00036 //               additional information useful during the
00037 //               conversion-to-egg process.
00038 ////////////////////////////////////////////////////////////////////
00039 class CLwoPolygons {
00040 public:
00041   INLINE CLwoPolygons(LwoToEggConverter *converter,
00042                       const LwoPolygons *polygons,
00043                       CLwoPoints *points);
00044 
00045   void add_ptags(const LwoPolygonTags *lwo_ptags, const LwoTags *tags);
00046   void add_vmad(const LwoDiscontinuousVertexMap *lwo_vmad);
00047 
00048   CLwoSurface *get_surface(int polygon_index) const;
00049   bool get_uv(const string &uv_name, int pi, int vi, LPoint2 &uv) const;
00050 
00051   void make_egg();
00052   void connect_egg();
00053 
00054   LwoToEggConverter *_converter;
00055   CPT(LwoPolygons) _polygons;
00056   CLwoPoints *_points;
00057   PT(EggGroup) _egg_group;
00058 
00059   const LwoTags *_tags;
00060   typedef pmap<IffId, const LwoPolygonTags *> PTags;
00061   PTags _ptags;
00062 
00063   const LwoPolygonTags *_surf_ptags;
00064 
00065   // There might be named maps associated with the polygons to bring a
00066   // per-polygon mapping to the UV's.
00067   typedef pmap<string, const LwoDiscontinuousVertexMap *> VMad;
00068   VMad _txuv;
00069 
00070 private:
00071   void make_faces();
00072 };
00073 
00074 #include "cLwoPolygons.I"
00075 
00076 #endif
00077 
00078 
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