/*************************************************************************/
/*  constraint_sw.h                                                      */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
/*                                                                       */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* 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 */
/* the following conditions:                                             */
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/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
/*                                                                       */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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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 ~ConstraintSW() {}
};

#endif // CONSTRAINT__SW_H