Panda3D
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pgCullTraverser.h
00001 // Filename: pgCullTraverser.h
00002 // Created by:  drose (14Mar02)
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 PGCULLTRAVERSER_H
00016 #define PGCULLTRAVERSER_H
00017 
00018 #include "pandabase.h"
00019 
00020 #include "pgTop.h"
00021 #include "cullTraverser.h"
00022 
00023 ////////////////////////////////////////////////////////////////////
00024 //       Class : PGCullTraverser
00025 // Description : This is a specialization of CullTraverser for use
00026 //               within the pgui system.  It is substituted in for the
00027 //               normal CullTraverser by the PGTop node.  Its purpose
00028 //               is to carry additional data through the traversal so
00029 //               that PGItems can know how to register their regions
00030 //               with the current MouseWatcherGroup.
00031 ////////////////////////////////////////////////////////////////////
00032 class EXPCL_PANDA_PGUI PGCullTraverser : public CullTraverser {
00033 public:
00034   INLINE PGCullTraverser(PGTop *top, CullTraverser *trav);
00035 
00036   PGTop *_top;
00037   int _sort_index;
00038 
00039 public:
00040   static TypeHandle get_class_type() {
00041     return _type_handle;
00042   }
00043   static void init_type() {
00044     CullTraverser::init_type();
00045     register_type(_type_handle, "PGCullTraverser",
00046                   CullTraverser::get_class_type());
00047   }
00048   virtual TypeHandle get_type() const {
00049     return get_class_type();
00050   }
00051   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00052 
00053 private:
00054   static TypeHandle _type_handle;
00055 };
00056 
00057 #include "pgCullTraverser.I"
00058 
00059 #endif
00060 
00061 
00062   
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