Panda3D

fltInstanceRef.h

00001 // Filename: fltInstanceRef.h
00002 // Created by:  drose (30Aug00)
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 FLTINSTANCEREF_H
00016 #define FLTINSTANCEREF_H
00017 
00018 #include "pandatoolbase.h"
00019 
00020 #include "fltBead.h"
00021 
00022 class FltInstanceDefinition;
00023 
00024 ////////////////////////////////////////////////////////////////////
00025 //       Class : FltInstanceRef
00026 // Description : This bead appears in the hierarchy to refer to a
00027 //               FltInstanceDefinition node defined elsewhere.  It
00028 //               indicates that the subtree beginning at the
00029 //               FltInstanceDefinition should be considered to be
00030 //               instanced here.
00031 ////////////////////////////////////////////////////////////////////
00032 class FltInstanceRef : public FltBead {
00033 public:
00034   FltInstanceRef(FltHeader *header);
00035 
00036   int _instance_index;
00037 
00038   FltInstanceDefinition *get_instance() const;
00039 
00040   virtual void write(ostream &out, int indent_level = 0) const;
00041 
00042 protected:
00043   virtual bool extract_record(FltRecordReader &reader);
00044   virtual FltError write_record_and_children(FltRecordWriter &writer) const;
00045   virtual bool build_record(FltRecordWriter &writer) const;
00046 
00047 public:
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   static TypeHandle get_class_type() {
00053     return _type_handle;
00054   }
00055   static void init_type() {
00056     FltBead::init_type();
00057     register_type(_type_handle, "FltInstanceRef",
00058                   FltBead::get_class_type());
00059   }
00060 
00061 private:
00062   static TypeHandle _type_handle;
00063 };
00064 
00065 #endif
00066 
00067 
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