Panda3D
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00001 // Filename: stateMunger.h 00002 // Created by: drose (04May05) 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 STATEMUNGER_H 00016 #define STATEMUNGER_H 00017 00018 #include "pandabase.h" 00019 #include "geomMunger.h" 00020 #include "renderState.h" 00021 #include "weakPointerTo.h" 00022 00023 //////////////////////////////////////////////////////////////////// 00024 // Class : StateMunger 00025 // Description : This is just a simple derivative of GeomMunger that 00026 // adds the ability to munge states. That functionality 00027 // can't be declared in the base class, since it doesn't 00028 // really know about RenderState. 00029 //////////////////////////////////////////////////////////////////// 00030 class EXPCL_PANDA_PGRAPH StateMunger : public GeomMunger { 00031 public: 00032 INLINE StateMunger(GraphicsStateGuardianBase *gsg); 00033 virtual ~StateMunger(); 00034 CPT(RenderState) munge_state(const RenderState *state); 00035 00036 protected: 00037 virtual CPT(RenderState) munge_state_impl(const RenderState *state); 00038 00039 typedef pmap< WCPT(RenderState), WCPT(RenderState) > StateMap; 00040 StateMap _state_map; 00041 00042 public: 00043 static TypeHandle get_class_type() { 00044 return _type_handle; 00045 } 00046 static void init_type() { 00047 GeomMunger::init_type(); 00048 register_type(_type_handle, "StateMunger", 00049 GeomMunger::get_class_type()); 00050 } 00051 virtual TypeHandle get_type() const { 00052 return get_class_type(); 00053 } 00054 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00055 00056 private: 00057 static TypeHandle _type_handle; 00058 }; 00059 00060 #include "stateMunger.I" 00061 00062 #endif 00063