historical/toontown-classic.git/panda/include/forceNode.h
2024-01-16 11:20:27 -06:00

80 lines
2.2 KiB
C++

/**
* PANDA 3D SOFTWARE
* Copyright (c) Carnegie Mellon University. All rights reserved.
*
* All use of this software is subject to the terms of the revised BSD
* license. You should have received a copy of this license along
* with this source code in a file named "LICENSE."
*
* @file forceNode.h
* @author charles
* @date 2000-08-02
*/
#ifndef FORCENODE_H
#define FORCENODE_H
#include "pandaNode.h"
#include "pvector.h"
#include "baseForce.h"
/**
* A force that lives in the scene graph and is therefore subject to local
* coordinate systems. An example of this would be simulating gravity in a
* rotating space station. or something.
*/
class EXPCL_PANDA_PHYSICS ForceNode : public PandaNode {
PUBLISHED:
explicit ForceNode(const std::string &name);
INLINE void clear();
INLINE BaseForce *get_force(size_t index) const;
INLINE size_t get_num_forces() const;
MAKE_SEQ(get_forces, get_num_forces, get_force);
INLINE void add_force(BaseForce *force);
void add_forces_from(const ForceNode &other);
void set_force(size_t index, BaseForce *force);
void insert_force(size_t index, BaseForce *force);
void remove_force(BaseForce *force);
void remove_force(size_t index);
MAKE_SEQ_PROPERTY(forces, get_num_forces, get_force, set_force, remove_force, insert_force);
virtual void output(std::ostream &out) const;
virtual void write_forces(std::ostream &out, int indent=0) const;
virtual void write(std::ostream &out, int indent=0) const;
public:
virtual ~ForceNode();
virtual bool safe_to_flatten() const { return false; }
virtual PandaNode *make_copy() const;
protected:
ForceNode(const ForceNode &copy);
private:
typedef pvector< PT(BaseForce) > ForceVector;
ForceVector _forces;
public:
static TypeHandle get_class_type() {
return _type_handle;
}
static void init_type() {
PandaNode::init_type();
register_type(_type_handle, "ForceNode",
PandaNode::get_class_type());
}
virtual TypeHandle get_type() const {
return get_class_type();
}
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
private:
static TypeHandle _type_handle;
};
#include "forceNode.I"
#endif // FORCENODE_H