Panda3D

baseForce.h

00001 // Filename: baseForce.h
00002 // Created by:  charles (08Aug00)
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 BASEFORCE_H
00016 #define BASEFORCE_H
00017 
00018 #include "pandabase.h"
00019 #include "typedReferenceCount.h"
00020 #include "luse.h"
00021 #include "nodePath.h"
00022 
00023 #include "physicsObject.h"
00024 
00025 class ForceNode;
00026 
00027 ////////////////////////////////////////////////////////////////////
00028 //        Class : BaseForce
00029 //  Description : pure virtual base class for all forces that could
00030 //                POSSIBLY exist.
00031 ////////////////////////////////////////////////////////////////////
00032 class EXPCL_PANDAPHYSICS BaseForce : public TypedReferenceCount {
00033 PUBLISHED:
00034   virtual ~BaseForce();
00035 
00036   INLINE bool get_active() const;
00037   INLINE void set_active(bool active);
00038   virtual bool is_linear() const = 0;
00039 
00040   INLINE ForceNode *get_force_node() const;
00041   INLINE NodePath get_force_node_path() const;
00042 
00043   virtual void output(ostream &out) const;
00044   virtual void write(ostream &out, int indent_level=0) const;
00045 
00046 protected:
00047   BaseForce(bool active = true);
00048   BaseForce(const BaseForce &copy);
00049 
00050 private:
00051   ForceNode *_force_node;
00052   NodePath _force_node_path;
00053   bool _active;
00054 
00055 public:
00056   static TypeHandle get_class_type() {
00057     return _type_handle;
00058   }
00059   static void init_type() {
00060     TypedReferenceCount::init_type();
00061     register_type(_type_handle, "BaseForce",
00062                   TypedReferenceCount::get_class_type());
00063   }
00064   virtual TypeHandle get_type() const {
00065     return get_class_type();
00066   }
00067   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00068 
00069 private:
00070   static TypeHandle _type_handle;
00071 
00072   friend class ForceNode;
00073 };
00074 
00075 #include "baseForce.I"
00076 
00077 #endif // BASEFORCE_H
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