Panda3D
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characterJointEffect.h
00001 // Filename: characterJointEffect.h
00002 // Created by:  drose (26Jul06)
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 CHARACTERJOINTEFFECT_H
00016 #define CHARACTERJOINTEFFECT_H
00017 
00018 #include "pandabase.h"
00019 
00020 #include "renderEffect.h"
00021 #include "luse.h"
00022 #include "nodePath.h"
00023 #include "character.h"
00024 #include "weakPointerTo.h"
00025 
00026 ////////////////////////////////////////////////////////////////////
00027 //       Class : CharacterJointEffect
00028 // Description : This effect will be added automatically to a node by
00029 //               CharacterJoint::add_net_transform() and
00030 //               CharacterJoint::add_local_transform().
00031 //
00032 //               The effect binds the node back to the character, so
00033 //               that querying the relative transform of the affected
00034 //               node will automatically force the indicated character
00035 //               to be updated first.
00036 ////////////////////////////////////////////////////////////////////
00037 class EXPCL_PANDA_CHAR CharacterJointEffect : public RenderEffect {
00038 private:
00039   INLINE CharacterJointEffect();
00040 
00041 PUBLISHED:
00042   static CPT(RenderEffect) make(Character *character);
00043 
00044   INLINE Character *get_character() const;
00045 
00046 public:
00047   virtual bool safe_to_transform() const;
00048   virtual bool safe_to_combine() const;
00049   virtual void output(ostream &out) const;
00050 
00051   virtual bool has_cull_callback() const;
00052   virtual void cull_callback(CullTraverser *trav, CullTraverserData &data,
00053                              CPT(TransformState) &node_transform,
00054                              CPT(RenderState) &node_state) const;
00055 
00056   virtual bool has_adjust_transform() const;
00057   virtual void adjust_transform(CPT(TransformState) &net_transform,
00058                                 CPT(TransformState) &node_transform,
00059                                 PandaNode *node) const;
00060 
00061 protected:
00062   virtual int compare_to_impl(const RenderEffect *other) const;
00063 
00064 private:
00065   WPT(Character) _character;
00066 
00067 public:
00068   static void register_with_read_factory();
00069   virtual void write_datagram(BamWriter *manager, Datagram &dg);
00070   virtual int complete_pointers(TypedWritable **plist,
00071                                 BamReader *manager);
00072 
00073 protected:
00074   static TypedWritable *make_from_bam(const FactoryParams &params);
00075   void fillin(DatagramIterator &scan, BamReader *manager);
00076   
00077 public:
00078   static TypeHandle get_class_type() {
00079     return _type_handle;
00080   }
00081   static void init_type() {
00082     RenderEffect::init_type();
00083     register_type(_type_handle, "CharacterJointEffect",
00084                   RenderEffect::get_class_type());
00085   }
00086   virtual TypeHandle get_type() const {
00087     return get_class_type();
00088   }
00089   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00090 
00091 private:
00092   static TypeHandle _type_handle;
00093 };
00094 
00095 #include "characterJointEffect.I"
00096 
00097 #endif
00098 
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