pandemonium_engine/servers/physics_2d/broad_phase_2d_basic.h

106 lines
4.0 KiB
C++

#ifndef BROAD_PHASE_2D_BASIC_H
#define BROAD_PHASE_2D_BASIC_H
/*************************************************************************/
/* broad_phase_2d_basic.h */
/*************************************************************************/
/* This file is part of: */
/* PANDEMONIUM ENGINE */
/* https://github.com/Relintai/pandemonium_engine */
/*************************************************************************/
/* Copyright (c) 2022-present Péter Magyar. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* Copyright (c) 2007-2022 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: */
/* */
/* 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.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "core/containers/rb_map.h"
#include "space_2d_sw.h"
class BroadPhase2DBasic : public BroadPhase2DSW {
struct Element {
CollisionObject2DSW *owner;
bool _static;
Rect2 aabb;
int subindex;
};
RBMap<ID, Element> element_map;
ID current;
struct PairKey {
union {
struct {
ID a;
ID b;
};
uint64_t key;
};
_FORCE_INLINE_ bool operator<(const PairKey &p_key) const {
return key < p_key.key;
}
PairKey() { key = 0; }
PairKey(ID p_a, ID p_b) {
if (p_a > p_b) {
a = p_b;
b = p_a;
} else {
a = p_a;
b = p_b;
}
}
};
RBMap<PairKey, void *> pair_map;
PairCallback pair_callback;
void *pair_userdata;
UnpairCallback unpair_callback;
void *unpair_userdata;
public:
// 0 is an invalid ID
virtual ID create(CollisionObject2DSW *p_object_, int p_subindex = 0, const Rect2 &p_aabb = Rect2(), bool p_static = false);
virtual void move(ID p_id, const Rect2 &p_aabb);
virtual void recheck_pairs(ID p_id);
virtual void set_static(ID p_id, bool p_static);
virtual void remove(ID p_id);
virtual CollisionObject2DSW *get_object(ID p_id) const;
virtual bool is_static(ID p_id) const;
virtual int get_subindex(ID p_id) const;
virtual int cull_segment(const Vector2 &p_from, const Vector2 &p_to, CollisionObject2DSW **p_results, int p_max_results, int *p_result_indices = nullptr);
virtual int cull_aabb(const Rect2 &p_aabb, CollisionObject2DSW **p_results, int p_max_results, int *p_result_indices = nullptr);
virtual void set_pair_callback(PairCallback p_pair_callback, void *p_userdata);
virtual void set_unpair_callback(UnpairCallback p_unpair_callback, void *p_userdata);
virtual void update();
static BroadPhase2DSW *_create();
BroadPhase2DBasic();
};
#endif // BROAD_PHASE_2D_BASIC_H