1/**************************************************************************/
2/* godot_constraint_2d.h */
3/**************************************************************************/
4/* This file is part of: */
5/* GODOT ENGINE */
6/* https://godotengine.org */
7/**************************************************************************/
8/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
9/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
10/* */
11/* Permission is hereby granted, free of charge, to any person obtaining */
12/* a copy of this software and associated documentation files (the */
13/* "Software"), to deal in the Software without restriction, including */
14/* without limitation the rights to use, copy, modify, merge, publish, */
15/* distribute, sublicense, and/or sell copies of the Software, and to */
16/* permit persons to whom the Software is furnished to do so, subject to */
17/* the following conditions: */
18/* */
19/* The above copyright notice and this permission notice shall be */
20/* included in all copies or substantial portions of the Software. */
21/* */
22/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
23/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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25/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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28/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
29/**************************************************************************/
30
31#ifndef GODOT_CONSTRAINT_2D_H
32#define GODOT_CONSTRAINT_2D_H
33
34#include "godot_body_2d.h"
35
36class GodotConstraint2D {
37 GodotBody2D **_body_ptr;
38 int _body_count;
39 uint64_t island_step = 0;
40 bool disabled_collisions_between_bodies = true;
41
42 RID self;
43
44protected:
45 GodotConstraint2D(GodotBody2D **p_body_ptr = nullptr, int p_body_count = 0) {
46 _body_ptr = p_body_ptr;
47 _body_count = p_body_count;
48 }
49
50public:
51 _FORCE_INLINE_ void set_self(const RID &p_self) { self = p_self; }
52 _FORCE_INLINE_ RID get_self() const { return self; }
53
54 _FORCE_INLINE_ uint64_t get_island_step() const { return island_step; }
55 _FORCE_INLINE_ void set_island_step(uint64_t p_step) { island_step = p_step; }
56
57 _FORCE_INLINE_ GodotBody2D **get_body_ptr() const { return _body_ptr; }
58 _FORCE_INLINE_ int get_body_count() const { return _body_count; }
59
60 _FORCE_INLINE_ void disable_collisions_between_bodies(const bool p_disabled) { disabled_collisions_between_bodies = p_disabled; }
61 _FORCE_INLINE_ bool is_disabled_collisions_between_bodies() const { return disabled_collisions_between_bodies; }
62
63 virtual bool setup(real_t p_step) = 0;
64 virtual bool pre_solve(real_t p_step) = 0;
65 virtual void solve(real_t p_step) = 0;
66
67 virtual ~GodotConstraint2D() {}
68};
69
70#endif // GODOT_CONSTRAINT_2D_H
71