1/**************************************************************************/
2/* godot_broad_phase_3d_bvh.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/* */
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12/* a copy of this software and associated documentation files (the */
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17/* the following conditions: */
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20/* included in all copies or substantial portions of the Software. */
21/* */
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29/**************************************************************************/
30
31#ifndef GODOT_BROAD_PHASE_3D_BVH_H
32#define GODOT_BROAD_PHASE_3D_BVH_H
33
34#include "godot_broad_phase_3d.h"
35
36#include "core/math/bvh.h"
37
38class GodotBroadPhase3DBVH : public GodotBroadPhase3D {
39 template <class T>
40 class UserPairTestFunction {
41 public:
42 static bool user_pair_check(const T *p_a, const T *p_b) {
43 // return false if no collision, decided by masks etc
44 return p_a->interacts_with(p_b);
45 }
46 };
47
48 template <class T>
49 class UserCullTestFunction {
50 public:
51 static bool user_cull_check(const T *p_a, const T *p_b) {
52 return true;
53 }
54 };
55
56 enum Tree {
57 TREE_STATIC = 0,
58 TREE_DYNAMIC = 1,
59 };
60
61 enum TreeFlag {
62 TREE_FLAG_STATIC = 1 << TREE_STATIC,
63 TREE_FLAG_DYNAMIC = 1 << TREE_DYNAMIC,
64 };
65
66 BVH_Manager<GodotCollisionObject3D, 2, true, 128, UserPairTestFunction<GodotCollisionObject3D>, UserCullTestFunction<GodotCollisionObject3D>> bvh;
67
68 static void *_pair_callback(void *, uint32_t, GodotCollisionObject3D *, int, uint32_t, GodotCollisionObject3D *, int);
69 static void _unpair_callback(void *, uint32_t, GodotCollisionObject3D *, int, uint32_t, GodotCollisionObject3D *, int, void *);
70
71 PairCallback pair_callback = nullptr;
72 void *pair_userdata = nullptr;
73 UnpairCallback unpair_callback = nullptr;
74 void *unpair_userdata = nullptr;
75
76public:
77 // 0 is an invalid ID
78 virtual ID create(GodotCollisionObject3D *p_object, int p_subindex = 0, const AABB &p_aabb = AABB(), bool p_static = false) override;
79 virtual void move(ID p_id, const AABB &p_aabb) override;
80 virtual void set_static(ID p_id, bool p_static) override;
81 virtual void remove(ID p_id) override;
82
83 virtual GodotCollisionObject3D *get_object(ID p_id) const override;
84 virtual bool is_static(ID p_id) const override;
85 virtual int get_subindex(ID p_id) const override;
86
87 virtual int cull_point(const Vector3 &p_point, GodotCollisionObject3D **p_results, int p_max_results, int *p_result_indices = nullptr) override;
88 virtual int cull_segment(const Vector3 &p_from, const Vector3 &p_to, GodotCollisionObject3D **p_results, int p_max_results, int *p_result_indices = nullptr) override;
89 virtual int cull_aabb(const AABB &p_aabb, GodotCollisionObject3D **p_results, int p_max_results, int *p_result_indices = nullptr) override;
90
91 virtual void set_pair_callback(PairCallback p_pair_callback, void *p_userdata) override;
92 virtual void set_unpair_callback(UnpairCallback p_unpair_callback, void *p_userdata) override;
93
94 virtual void update() override;
95
96 static GodotBroadPhase3D *_create();
97 GodotBroadPhase3DBVH();
98};
99
100#endif // GODOT_BROAD_PHASE_3D_BVH_H
101