/*************************************************************************/
/*  constraint_sw.h                                                      */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md)    */
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/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
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/* The above copyright notice and this permission notice shall be        */
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/*************************************************************************/
#ifndef CONSTRAINT_SW_H
#define CONSTRAINT_SW_H

#include "body_sw.h"

class ConstraintSW {

	BodySW **_body_ptr;
	int _body_count;
	uint64_t island_step;
	ConstraintSW *island_next;
	ConstraintSW *island_list_next;
	int priority;

	RID self;

protected:
	ConstraintSW(BodySW **p_body_ptr = NULL, int p_body_count = 0) {
		_body_ptr = p_body_ptr;
		_body_count = p_body_count;
		island_step = 0;
		priority = 1;
	}

public:
	_FORCE_INLINE_ void set_self(const RID &p_self) { self = p_self; }
	_FORCE_INLINE_ RID get_self() const { return self; }

	_FORCE_INLINE_ uint64_t get_island_step() const { return island_step; }
	_FORCE_INLINE_ void set_island_step(uint64_t p_step) { island_step = p_step; }

	_FORCE_INLINE_ ConstraintSW *get_island_next() const { return island_next; }
	_FORCE_INLINE_ void set_island_next(ConstraintSW *p_next) { island_next = p_next; }

	_FORCE_INLINE_ ConstraintSW *get_island_list_next() const { return island_list_next; }
	_FORCE_INLINE_ void set_island_list_next(ConstraintSW *p_next) { island_list_next = p_next; }

	_FORCE_INLINE_ BodySW **get_body_ptr() const { return _body_ptr; }
	_FORCE_INLINE_ int get_body_count() const { return _body_count; }

	_FORCE_INLINE_ void set_priority(int p_priority) { priority = p_priority; }
	_FORCE_INLINE_ int get_priority() const { return priority; }

	virtual bool setup(float p_step) = 0;
	virtual void solve(float p_step) = 0;

	virtual void shift_shape_indices(const CollisionObjectSW *p_object, int p_removed_index) {}

	virtual ~ConstraintSW() {}
};

#endif // CONSTRAINT__SW_H