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decalEffect.h
00001 // Filename: decalEffect.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 DECALEFFECT_H
00016 #define DECALEFFECT_H
00017 
00018 #include "pandabase.h"
00019 
00020 #include "renderEffect.h"
00021 
00022 class FactoryParams;
00023 
00024 ////////////////////////////////////////////////////////////////////
00025 //       Class : DecalEffect
00026 // Description : Applied to a GeomNode to indicate that the children
00027 //               of this GeomNode are coplanar and should be drawn as
00028 //               decals (eliminating Z-fighting).
00029 ////////////////////////////////////////////////////////////////////
00030 class EXPCL_PANDA_PGRAPH DecalEffect : public RenderEffect {
00031 private:
00032   INLINE DecalEffect();
00033 
00034 PUBLISHED:
00035   static CPT(RenderEffect) make();
00036 
00037 protected:
00038   virtual bool safe_to_combine() const;
00039   virtual int compare_to_impl(const RenderEffect *other) const;
00040 
00041 public:
00042   static void register_with_read_factory();
00043   virtual void write_datagram(BamWriter *manager, Datagram &dg);
00044 
00045 protected:
00046   static TypedWritable *make_from_bam(const FactoryParams &params);
00047   void fillin(DatagramIterator &scan, BamReader *manager);
00048   
00049 public:
00050   static TypeHandle get_class_type() {
00051     return _type_handle;
00052   }
00053   static void init_type() {
00054     RenderEffect::init_type();
00055     register_type(_type_handle, "DecalEffect",
00056                   RenderEffect::get_class_type());
00057   }
00058   virtual TypeHandle get_type() const {
00059     return get_class_type();
00060   }
00061   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00062 
00063 private:
00064   static TypeHandle _type_handle;
00065 };
00066 
00067 #include "decalEffect.I"
00068 
00069 #endif
00070 
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