212 lines
7 KiB
C++
212 lines
7 KiB
C++
/*************************************************************************/
|
|
/* broad_phase_3d_basic.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2020 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_3d_basic.h"
|
|
#include "core/list.h"
|
|
#include "core/print_string.h"
|
|
|
|
BroadPhase3DSW::ID BroadPhase3DBasic::create(CollisionObject3DSW *p_object, int p_subindex) {
|
|
ERR_FAIL_COND_V(p_object == nullptr, 0);
|
|
|
|
current++;
|
|
|
|
Element e;
|
|
e.owner = p_object;
|
|
e._static = false;
|
|
e.subindex = p_subindex;
|
|
|
|
element_map[current] = e;
|
|
return current;
|
|
}
|
|
|
|
void BroadPhase3DBasic::move(ID p_id, const AABB &p_aabb) {
|
|
Map<ID, Element>::Element *E = element_map.find(p_id);
|
|
ERR_FAIL_COND(!E);
|
|
E->get().aabb = p_aabb;
|
|
}
|
|
|
|
void BroadPhase3DBasic::set_static(ID p_id, bool p_static) {
|
|
Map<ID, Element>::Element *E = element_map.find(p_id);
|
|
ERR_FAIL_COND(!E);
|
|
E->get()._static = p_static;
|
|
}
|
|
|
|
void BroadPhase3DBasic::remove(ID p_id) {
|
|
Map<ID, Element>::Element *E = element_map.find(p_id);
|
|
ERR_FAIL_COND(!E);
|
|
List<PairKey> to_erase;
|
|
//unpair must be done immediately on removal to avoid potential invalid pointers
|
|
for (Map<PairKey, void *>::Element *F = pair_map.front(); F; F = F->next()) {
|
|
if (F->key().a == p_id || F->key().b == p_id) {
|
|
if (unpair_callback) {
|
|
Element *elem_A = &element_map[F->key().a];
|
|
Element *elem_B = &element_map[F->key().b];
|
|
unpair_callback(elem_A->owner, elem_A->subindex, elem_B->owner, elem_B->subindex, F->get(), unpair_userdata);
|
|
}
|
|
to_erase.push_back(F->key());
|
|
}
|
|
}
|
|
while (to_erase.size()) {
|
|
pair_map.erase(to_erase.front()->get());
|
|
to_erase.pop_front();
|
|
}
|
|
element_map.erase(E);
|
|
}
|
|
|
|
CollisionObject3DSW *BroadPhase3DBasic::get_object(ID p_id) const {
|
|
const Map<ID, Element>::Element *E = element_map.find(p_id);
|
|
ERR_FAIL_COND_V(!E, nullptr);
|
|
return E->get().owner;
|
|
}
|
|
|
|
bool BroadPhase3DBasic::is_static(ID p_id) const {
|
|
const Map<ID, Element>::Element *E = element_map.find(p_id);
|
|
ERR_FAIL_COND_V(!E, false);
|
|
return E->get()._static;
|
|
}
|
|
|
|
int BroadPhase3DBasic::get_subindex(ID p_id) const {
|
|
const Map<ID, Element>::Element *E = element_map.find(p_id);
|
|
ERR_FAIL_COND_V(!E, -1);
|
|
return E->get().subindex;
|
|
}
|
|
|
|
int BroadPhase3DBasic::cull_point(const Vector3 &p_point, CollisionObject3DSW **p_results, int p_max_results, int *p_result_indices) {
|
|
int rc = 0;
|
|
|
|
for (Map<ID, Element>::Element *E = element_map.front(); E; E = E->next()) {
|
|
const AABB aabb = E->get().aabb;
|
|
if (aabb.has_point(p_point)) {
|
|
p_results[rc] = E->get().owner;
|
|
p_result_indices[rc] = E->get().subindex;
|
|
rc++;
|
|
if (rc >= p_max_results) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
int BroadPhase3DBasic::cull_segment(const Vector3 &p_from, const Vector3 &p_to, CollisionObject3DSW **p_results, int p_max_results, int *p_result_indices) {
|
|
int rc = 0;
|
|
|
|
for (Map<ID, Element>::Element *E = element_map.front(); E; E = E->next()) {
|
|
const AABB aabb = E->get().aabb;
|
|
if (aabb.intersects_segment(p_from, p_to)) {
|
|
p_results[rc] = E->get().owner;
|
|
p_result_indices[rc] = E->get().subindex;
|
|
rc++;
|
|
if (rc >= p_max_results) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
int BroadPhase3DBasic::cull_aabb(const AABB &p_aabb, CollisionObject3DSW **p_results, int p_max_results, int *p_result_indices) {
|
|
int rc = 0;
|
|
|
|
for (Map<ID, Element>::Element *E = element_map.front(); E; E = E->next()) {
|
|
const AABB aabb = E->get().aabb;
|
|
if (aabb.intersects(p_aabb)) {
|
|
p_results[rc] = E->get().owner;
|
|
p_result_indices[rc] = E->get().subindex;
|
|
rc++;
|
|
if (rc >= p_max_results) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
void BroadPhase3DBasic::set_pair_callback(PairCallback p_pair_callback, void *p_userdata) {
|
|
pair_userdata = p_userdata;
|
|
pair_callback = p_pair_callback;
|
|
}
|
|
|
|
void BroadPhase3DBasic::set_unpair_callback(UnpairCallback p_unpair_callback, void *p_userdata) {
|
|
unpair_userdata = p_userdata;
|
|
unpair_callback = p_unpair_callback;
|
|
}
|
|
|
|
void BroadPhase3DBasic::update() {
|
|
// recompute pairs
|
|
for (Map<ID, Element>::Element *I = element_map.front(); I; I = I->next()) {
|
|
for (Map<ID, Element>::Element *J = I->next(); J; J = J->next()) {
|
|
Element *elem_A = &I->get();
|
|
Element *elem_B = &J->get();
|
|
|
|
if (elem_A->owner == elem_B->owner) {
|
|
continue;
|
|
}
|
|
|
|
bool pair_ok = elem_A->aabb.intersects(elem_B->aabb) && (!elem_A->_static || !elem_B->_static);
|
|
|
|
PairKey key(I->key(), J->key());
|
|
|
|
Map<PairKey, void *>::Element *E = pair_map.find(key);
|
|
|
|
if (!pair_ok && E) {
|
|
if (unpair_callback) {
|
|
unpair_callback(elem_A->owner, elem_A->subindex, elem_B->owner, elem_B->subindex, E->get(), unpair_userdata);
|
|
}
|
|
pair_map.erase(key);
|
|
}
|
|
|
|
if (pair_ok && !E) {
|
|
void *data = nullptr;
|
|
if (pair_callback) {
|
|
data = pair_callback(elem_A->owner, elem_A->subindex, elem_B->owner, elem_B->subindex, unpair_userdata);
|
|
if (data) {
|
|
pair_map.insert(key, data);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
BroadPhase3DSW *BroadPhase3DBasic::_create() {
|
|
return memnew(BroadPhase3DBasic);
|
|
}
|
|
|
|
BroadPhase3DBasic::BroadPhase3DBasic() {
|
|
current = 1;
|
|
unpair_callback = nullptr;
|
|
unpair_userdata = nullptr;
|
|
pair_callback = nullptr;
|
|
pair_userdata = nullptr;
|
|
}
|