1 files changed, 192 insertions, 0 deletions

diff --git a/servers/physics_2d/broad_phase_2d_basic.cpp b/servers/physics_2d/broad_phase_2d_basic.cpp
new file mode 100644
index 000000000..9641a986e
--- /dev/null
+++ b/servers/physics_2d/broad_phase_2d_basic.cpp
@@ -0,0 +1,192 @@
+/*************************************************************************/
+/*  broad_phase_2d_basic.cpp                                             */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                    http://www.godotengine.org                         */
+/*************************************************************************/
+/* Copyright (c) 2007-2014 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_2d_basic.h"
+
+ID BroadPhase2DBasic::create(CollisionObject2DSW *p_object_, int p_subindex) {
+
+
+	current++;
+
+	Element e;
+	e.owner=p_object_;
+	e._static=false;
+	e.subindex=p_subindex;
+
+	element_map[current]=e;
+	return current;
+}
+
+void BroadPhase2DBasic::move(ID p_id, const Rect2& p_aabb) {
+
+	Map<ID,Element>::Element *E=element_map.find(p_id);
+	ERR_FAIL_COND(!E);
+	E->get().aabb=p_aabb;
+
+}
+void BroadPhase2DBasic::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 BroadPhase2DBasic::remove(ID p_id) {
+
+	Map<ID,Element>::Element *E=element_map.find(p_id);
+	ERR_FAIL_COND(!E);
+	element_map.erase(E);
+
+}
+
+CollisionObject2DSW *BroadPhase2DBasic::get_object(ID p_id) const {
+
+	const Map<ID,Element>::Element *E=element_map.find(p_id);
+	ERR_FAIL_COND_V(!E,NULL);
+	return E->get().owner;
+
+}
+bool BroadPhase2DBasic::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 BroadPhase2DBasic::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 BroadPhase2DBasic::cull_segment(const Vector2& p_from, const Vector2& p_to,CollisionObject2DSW** 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 Rect2 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 BroadPhase2DBasic::cull_aabb(const Rect2& p_aabb,CollisionObject2DSW** 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 Rect2 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 BroadPhase2DBasic::set_pair_callback(PairCallback p_pair_callback,void *p_userdata) {
+
+	pair_userdata=p_userdata;
+	pair_callback=p_pair_callback;
+
+}
+void BroadPhase2DBasic::set_unpair_callback(UnpairCallback p_pair_callback,void *p_userdata) {
+
+	unpair_userdata=p_userdata;
+	unpair_callback=p_pair_callback;
+
+}
+
+void BroadPhase2DBasic::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=NULL;
+				if (pair_callback)
+					data=pair_callback(elem_A->owner,elem_A->subindex,elem_B->owner,elem_B->subindex,unpair_userdata);
+				pair_map.insert(key,data);
+			}
+		}
+	}
+
+}
+
+BroadPhase2DSW *BroadPhase2DBasic::_create() {
+
+	return memnew( BroadPhase2DBasic );
+}
+
+BroadPhase2DBasic::BroadPhase2DBasic() {
+
+	current=1;
+	unpair_callback=NULL;
+	unpair_userdata=NULL;
+	pair_callback=NULL;
+	pair_userdata=NULL;
+
+}