1/**************************************************************************/
2/* godot_broad_phase_2d_bvh.cpp */
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 */
24/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
25/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
26/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
27/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
28/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
29/**************************************************************************/
30
31#include "godot_broad_phase_2d_bvh.h"
32#include "godot_collision_object_2d.h"
33
34GodotBroadPhase2D::ID GodotBroadPhase2DBVH::create(GodotCollisionObject2D *p_object, int p_subindex, const Rect2 &p_aabb, bool p_static) {
35 uint32_t tree_id = p_static ? TREE_STATIC : TREE_DYNAMIC;
36 uint32_t tree_collision_mask = p_static ? TREE_FLAG_DYNAMIC : (TREE_FLAG_STATIC | TREE_FLAG_DYNAMIC);
37 ID oid = bvh.create(p_object, true, tree_id, tree_collision_mask, p_aabb, p_subindex); // Pair everything, don't care?
38 return oid + 1;
39}
40
41void GodotBroadPhase2DBVH::move(ID p_id, const Rect2 &p_aabb) {
42 ERR_FAIL_COND(!p_id);
43 bvh.move(p_id - 1, p_aabb);
44}
45
46void GodotBroadPhase2DBVH::set_static(ID p_id, bool p_static) {
47 ERR_FAIL_COND(!p_id);
48 uint32_t tree_id = p_static ? TREE_STATIC : TREE_DYNAMIC;
49 uint32_t tree_collision_mask = p_static ? TREE_FLAG_DYNAMIC : (TREE_FLAG_STATIC | TREE_FLAG_DYNAMIC);
50 bvh.set_tree(p_id - 1, tree_id, tree_collision_mask, false);
51}
52
53void GodotBroadPhase2DBVH::remove(ID p_id) {
54 ERR_FAIL_COND(!p_id);
55 bvh.erase(p_id - 1);
56}
57
58GodotCollisionObject2D *GodotBroadPhase2DBVH::get_object(ID p_id) const {
59 ERR_FAIL_COND_V(!p_id, nullptr);
60 GodotCollisionObject2D *it = bvh.get(p_id - 1);
61 ERR_FAIL_COND_V(!it, nullptr);
62 return it;
63}
64
65bool GodotBroadPhase2DBVH::is_static(ID p_id) const {
66 ERR_FAIL_COND_V(!p_id, false);
67 uint32_t tree_id = bvh.get_tree_id(p_id - 1);
68 return tree_id == 0;
69}
70
71int GodotBroadPhase2DBVH::get_subindex(ID p_id) const {
72 ERR_FAIL_COND_V(!p_id, 0);
73 return bvh.get_subindex(p_id - 1);
74}
75
76int GodotBroadPhase2DBVH::cull_segment(const Vector2 &p_from, const Vector2 &p_to, GodotCollisionObject2D **p_results, int p_max_results, int *p_result_indices) {
77 return bvh.cull_segment(p_from, p_to, p_results, p_max_results, nullptr, 0xFFFFFFFF, p_result_indices);
78}
79
80int GodotBroadPhase2DBVH::cull_aabb(const Rect2 &p_aabb, GodotCollisionObject2D **p_results, int p_max_results, int *p_result_indices) {
81 return bvh.cull_aabb(p_aabb, p_results, p_max_results, nullptr, 0xFFFFFFFF, p_result_indices);
82}
83
84void *GodotBroadPhase2DBVH::_pair_callback(void *self, uint32_t p_A, GodotCollisionObject2D *p_object_A, int subindex_A, uint32_t p_B, GodotCollisionObject2D *p_object_B, int subindex_B) {
85 GodotBroadPhase2DBVH *bpo = static_cast<GodotBroadPhase2DBVH *>(self);
86 if (!bpo->pair_callback) {
87 return nullptr;
88 }
89
90 return bpo->pair_callback(p_object_A, subindex_A, p_object_B, subindex_B, bpo->pair_userdata);
91}
92
93void GodotBroadPhase2DBVH::_unpair_callback(void *self, uint32_t p_A, GodotCollisionObject2D *p_object_A, int subindex_A, uint32_t p_B, GodotCollisionObject2D *p_object_B, int subindex_B, void *pairdata) {
94 GodotBroadPhase2DBVH *bpo = static_cast<GodotBroadPhase2DBVH *>(self);
95 if (!bpo->unpair_callback) {
96 return;
97 }
98
99 bpo->unpair_callback(p_object_A, subindex_A, p_object_B, subindex_B, pairdata, bpo->unpair_userdata);
100}
101
102void GodotBroadPhase2DBVH::set_pair_callback(PairCallback p_pair_callback, void *p_userdata) {
103 pair_callback = p_pair_callback;
104 pair_userdata = p_userdata;
105}
106
107void GodotBroadPhase2DBVH::set_unpair_callback(UnpairCallback p_unpair_callback, void *p_userdata) {
108 unpair_callback = p_unpair_callback;
109 unpair_userdata = p_userdata;
110}
111
112void GodotBroadPhase2DBVH::update() {
113 bvh.update();
114}
115
116GodotBroadPhase2D *GodotBroadPhase2DBVH::_create() {
117 return memnew(GodotBroadPhase2DBVH);
118}
119
120GodotBroadPhase2DBVH::GodotBroadPhase2DBVH() {
121 bvh.set_pair_callback(_pair_callback, this);
122 bvh.set_unpair_callback(_unpair_callback, this);
123}
124