pandemonium_engine_minimal/servers/physics/broad_phase_octree.cpp
2023-12-14 21:54:22 +01:00

129 lines
5.5 KiB
C++

/*************************************************************************/
/* broad_phase_octree.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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 "broad_phase_octree.h"
#include "collision_object_sw.h"
BroadPhaseSW::ID BroadPhaseOctree::create(CollisionObjectSW *p_object, int p_subindex, const AABB &p_aabb, bool p_static) {
ID oid = octree.create(p_object, AABB(), p_subindex, false, 1 << p_object->get_type(), 0);
return oid;
}
void BroadPhaseOctree::move(ID p_id, const AABB &p_aabb) {
octree.move(p_id, p_aabb);
}
void BroadPhaseOctree::recheck_pairs(ID p_id) {
AABB aabb = octree.get_aabb(p_id);
octree.move(p_id, aabb);
}
void BroadPhaseOctree::set_static(ID p_id, bool p_static) {
CollisionObjectSW *it = octree.get(p_id);
octree.set_pairable(p_id, !p_static, 1 << it->get_type(), p_static ? 0 : 0xFFFFF); //pair everything, don't care 1?
}
void BroadPhaseOctree::remove(ID p_id) {
octree.erase(p_id);
}
CollisionObjectSW *BroadPhaseOctree::get_object(ID p_id) const {
CollisionObjectSW *it = octree.get(p_id);
ERR_FAIL_COND_V(!it, nullptr);
return it;
}
bool BroadPhaseOctree::is_static(ID p_id) const {
return !octree.is_pairable(p_id);
}
int BroadPhaseOctree::get_subindex(ID p_id) const {
return octree.get_subindex(p_id);
}
int BroadPhaseOctree::cull_point(const Vector3 &p_point, CollisionObjectSW **p_results, int p_max_results, int *p_result_indices) {
return octree.cull_point(p_point, p_results, p_max_results, p_result_indices);
}
int BroadPhaseOctree::cull_segment(const Vector3 &p_from, const Vector3 &p_to, CollisionObjectSW **p_results, int p_max_results, int *p_result_indices) {
return octree.cull_segment(p_from, p_to, p_results, p_max_results, p_result_indices);
}
int BroadPhaseOctree::cull_aabb(const AABB &p_aabb, CollisionObjectSW **p_results, int p_max_results, int *p_result_indices) {
return octree.cull_aabb(p_aabb, p_results, p_max_results, p_result_indices);
}
void *BroadPhaseOctree::_pair_callback(void *self, OctreeElementID p_A, CollisionObjectSW *p_object_A, int subindex_A, OctreeElementID p_B, CollisionObjectSW *p_object_B, int subindex_B) {
BroadPhaseOctree *bpo = (BroadPhaseOctree *)(self);
if (!bpo->pair_callback) {
return nullptr;
}
bool valid_collision_pair = p_object_A->test_collision_mask(p_object_B);
if (!valid_collision_pair) {
return nullptr;
}
return bpo->pair_callback(p_object_A, subindex_A, p_object_B, subindex_B, nullptr, bpo->pair_userdata);
}
void BroadPhaseOctree::_unpair_callback(void *self, OctreeElementID p_A, CollisionObjectSW *p_object_A, int subindex_A, OctreeElementID p_B, CollisionObjectSW *p_object_B, int subindex_B, void *pairdata) {
BroadPhaseOctree *bpo = (BroadPhaseOctree *)(self);
if (!bpo->unpair_callback) {
return;
}
bpo->unpair_callback(p_object_A, subindex_A, p_object_B, subindex_B, pairdata, bpo->unpair_userdata);
}
void BroadPhaseOctree::set_pair_callback(PairCallback p_pair_callback, void *p_userdata) {
pair_callback = p_pair_callback;
pair_userdata = p_userdata;
}
void BroadPhaseOctree::set_unpair_callback(UnpairCallback p_unpair_callback, void *p_userdata) {
unpair_callback = p_unpair_callback;
unpair_userdata = p_userdata;
}
void BroadPhaseOctree::update() {
// does.. not?
}
BroadPhaseSW *BroadPhaseOctree::_create() {
return memnew(BroadPhaseOctree);
}
BroadPhaseOctree::BroadPhaseOctree() {
octree.set_pair_callback(_pair_callback, this);
octree.set_unpair_callback(_unpair_callback, this);
pair_callback = nullptr;
pair_userdata = nullptr;
unpair_userdata = nullptr;
}