Panda3D
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lwoGroupChunk.h
00001 // Filename: lwoGroupChunk.h
00002 // Created by:  drose (24Apr01)
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 LWOGROUPCHUNK_H
00016 #define LWOGROUPCHUNK_H
00017 
00018 #include "pandatoolbase.h"
00019 
00020 #include "lwoChunk.h"
00021 #include "iffChunk.h"
00022 
00023 #include "pointerTo.h"
00024 
00025 #include "pvector.h"
00026 
00027 ////////////////////////////////////////////////////////////////////
00028 //       Class : LwoGroupChunk
00029 // Description : A particular kind of LwoChunk that is expected to
00030 //               contain an arbitrary number of child chunks.
00031 ////////////////////////////////////////////////////////////////////
00032 class LwoGroupChunk : public LwoChunk {
00033 public:
00034   int get_num_chunks() const;
00035   IffChunk *get_chunk(int n) const;
00036 
00037 protected:
00038   bool read_chunks_iff(IffInputFile *in, size_t stop_at);
00039   bool read_subchunks_iff(IffInputFile *in, size_t stop_at);
00040   void write_chunks(ostream &out, int indent_level) const;
00041 
00042   typedef pvector< PT(IffChunk) > Chunks;
00043   Chunks _chunks;
00044 
00045 public:
00046   virtual TypeHandle get_type() const {
00047     return get_class_type();
00048   }
00049   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00050   static TypeHandle get_class_type() {
00051     return _type_handle;
00052   }
00053   static void init_type() {
00054     LwoChunk::init_type();
00055     register_type(_type_handle, "LwoGroupChunk",
00056                   LwoChunk::get_class_type());
00057   }
00058 
00059 private:
00060   static TypeHandle _type_handle;
00061 };
00062 
00063 #endif
00064 
00065 
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