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path: root/servers/physics/broad_phase_octree.cpp
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/*************************************************************************/
/*  broad_phase_octree.cpp                                               */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2017 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 "broad_phase_octree.h"
#include "collision_object_sw.h"

BroadPhaseSW::ID BroadPhaseOctree::create(CollisionObjectSW *p_object, int p_subindex) {

	ID oid = octree.create(p_object, Rect3(), p_subindex, false, 1 << p_object->get_type(), 0);
	return oid;
}

void BroadPhaseOctree::move(ID p_id, const Rect3 &p_aabb) {

	octree.move(p_id, p_aabb);
}

void BroadPhaseOctree::set_static(ID p_id, bool p_static) {

	CollisionObjectSW *it = octree.get(p_id);
	octree.set_pairable(p_id, p_static ? false : true, 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, NULL);
	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_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 Rect3 &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 NULL;

	return bpo->pair_callback(p_object_A, subindex_A, p_object_B, subindex_B, 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 = NULL;
	pair_userdata = NULL;
	pair_callback = NULL;
	unpair_userdata = NULL;
}