/**
 * 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 bulletConstraint.h
 * @author enn0x
 * @date 2010-03-01
 */

#ifndef BULLETCONSTRAINT_H
#define BULLETCONSTRAINT_H

#include "pandabase.h"

#include "bullet_includes.h"

#include "typedReferenceCount.h"

class BulletRigidBodyNode;

/**
 *
 */
class EXPCL_PANDABULLET BulletConstraint : public TypedReferenceCount {

PUBLISHED:
  INLINE virtual ~BulletConstraint();

  BulletRigidBodyNode *get_rigid_body_a();
  BulletRigidBodyNode *get_rigid_body_b();

  void enable_feedback(bool value);

  void set_debug_draw_size(PN_stdfloat size);
  PN_stdfloat get_debug_draw_size();

  PN_stdfloat get_applied_impulse() const;
  INLINE void set_breaking_threshold(PN_stdfloat threshold);
  INLINE PN_stdfloat get_breaking_threshold() const;
  INLINE void set_enabled(bool enabled);
  INLINE bool is_enabled() const;

  enum ConstraintParam {
    CP_erp = 1,
    CP_stop_erp,
    CP_cfm,
    CP_stop_cfm
  };

  void set_param(ConstraintParam num, PN_stdfloat value, int axis=-1);
  PN_stdfloat get_param(ConstraintParam num, int axis=-1);

  MAKE_PROPERTY(rigid_body_a, get_rigid_body_a);
  MAKE_PROPERTY(rigid_body_b, get_rigid_body_b);
  MAKE_PROPERTY(debug_draw_size, get_debug_draw_size, set_debug_draw_size);
  MAKE_PROPERTY(applied_impulse, get_applied_impulse);
  MAKE_PROPERTY(breaking_threshold, get_breaking_threshold, set_breaking_threshold);
  MAKE_PROPERTY(enabled, is_enabled, set_enabled);

public:
  virtual btTypedConstraint *ptr() const = 0;

public:
  static TypeHandle get_class_type() {
    return _type_handle;
  }
  static void init_type() {
    TypedReferenceCount::init_type();
    register_type(_type_handle, "BulletConstraint",
                  TypedReferenceCount::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 "bulletConstraint.I"

#endif // BULLETCONSTRAINT_H
