Panda3D
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depthTestAttrib.h
00001 // Filename: depthTestAttrib.h
00002 // Created by:  drose (04Mar02)
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 DEPTHTESTATTRIB_H
00016 #define DEPTHTESTATTRIB_H
00017 
00018 #include "pandabase.h"
00019 
00020 #include "renderAttrib.h"
00021 
00022 class FactoryParams;
00023 
00024 ////////////////////////////////////////////////////////////////////
00025 //       Class : DepthTestAttrib
00026 // Description : Enables or disables writing to the depth buffer.
00027 ////////////////////////////////////////////////////////////////////
00028 class EXPCL_PANDA_PGRAPH DepthTestAttrib : public RenderAttrib {
00029 private:
00030   INLINE DepthTestAttrib(PandaCompareFunc mode = M_less);
00031 
00032 PUBLISHED:
00033   static CPT(RenderAttrib) make(PandaCompareFunc mode);
00034   static CPT(RenderAttrib) make_default();
00035 
00036   INLINE PandaCompareFunc get_mode() const;
00037 
00038 public:
00039   virtual void output(ostream &out) const;
00040 
00041 protected:
00042   virtual int compare_to_impl(const RenderAttrib *other) const;
00043   virtual size_t get_hash_impl() const;
00044 
00045 private:
00046   PandaCompareFunc _mode;
00047 
00048 PUBLISHED:
00049   static int get_class_slot() {
00050     return _attrib_slot;
00051   }
00052   virtual int get_slot() const {
00053     return get_class_slot();
00054   }
00055 
00056 public:
00057   static void register_with_read_factory();
00058   virtual void write_datagram(BamWriter *manager, Datagram &dg);
00059 
00060 protected:
00061   static TypedWritable *make_from_bam(const FactoryParams &params);
00062   void fillin(DatagramIterator &scan, BamReader *manager);
00063   
00064 public:
00065   static TypeHandle get_class_type() {
00066     return _type_handle;
00067   }
00068   static void init_type() {
00069     RenderAttrib::init_type();
00070     register_type(_type_handle, "DepthTestAttrib",
00071                   RenderAttrib::get_class_type());
00072     _attrib_slot = register_slot(_type_handle, 100, make_default);
00073   }
00074   virtual TypeHandle get_type() const {
00075     return get_class_type();
00076   }
00077   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00078 
00079 private:
00080   static TypeHandle _type_handle;
00081   static int _attrib_slot;
00082 };
00083 
00084 #include "depthTestAttrib.I"
00085 
00086 #endif
00087 
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