Panda3D
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ambientLight.h
00001 // Filename: ambientLight.h
00002 // Created by:  mike (09Jan97)
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 AMBIENTLIGHT_H
00016 #define AMBIENTLIGHT_H
00017 
00018 #include "pandabase.h"
00019 
00020 #include "lightNode.h"
00021 
00022 ////////////////////////////////////////////////////////////////////
00023 //       Class : AmbientLight
00024 // Description : A light source that seems to illuminate all points in
00025 //               space at once.  This kind of light need not actually
00026 //               be part of the scene graph, since it has no meaningful
00027 //               position.
00028 ////////////////////////////////////////////////////////////////////
00029 class EXPCL_PANDA_PGRAPHNODES AmbientLight : public LightNode {
00030 PUBLISHED:
00031   AmbientLight(const string &name);
00032 
00033 protected:
00034   AmbientLight(const AmbientLight &copy);
00035 
00036 public:
00037   virtual PandaNode *make_copy() const;
00038   virtual void write(ostream &out, int indent_level) const;
00039   virtual bool is_ambient_light() const;
00040 
00041 PUBLISHED:
00042   virtual int get_class_priority() const;
00043   
00044 public:
00045   virtual void bind(GraphicsStateGuardianBase *gsg, const NodePath &light,
00046                     int light_id);
00047 
00048 public:
00049   static void register_with_read_factory();
00050   virtual void write_datagram(BamWriter *manager, Datagram &dg);
00051 
00052 protected:
00053   static TypedWritable *make_from_bam(const FactoryParams &params);
00054   void fillin(DatagramIterator &scan, BamReader *manager);
00055 
00056 public:
00057   static TypeHandle get_class_type() {
00058     return _type_handle;
00059   }
00060   static void init_type() {
00061     LightNode::init_type();
00062     register_type(_type_handle, "AmbientLight",
00063                   LightNode::get_class_type());
00064   }
00065   virtual TypeHandle get_type() const {
00066     return get_class_type();
00067   }
00068   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00069 
00070 private:
00071   static TypeHandle _type_handle;
00072 };
00073 
00074 INLINE ostream &operator << (ostream &out, const AmbientLight &light) {
00075   light.output(out);
00076   return out;
00077 }
00078 
00079 #include "ambientLight.I"
00080 
00081 #endif
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