167 lines
4.8 KiB
C++
167 lines
4.8 KiB
C++
/*************************************************************************/
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/* spatial_indexer.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "spatial_indexer.h"
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#if 0
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#include "camera.h"
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#include "proximity_area.h"
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#include "scene/scene_string_names.h"
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void SpatialIndexer::add_camera(Camera* p_camera) {
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cameras.insert(p_camera);
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}
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void SpatialIndexer::remove_camera(Camera* p_camera){
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for (Set<ProximityArea*>::Element *F=proximity_areas.front();F;F=F->next()) {
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ProximityArea *prox = F->get();
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TK<Camera> k;
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k.against=p_camera;
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k.area=prox;
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if (camera_pairs.has(k)) {
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camera_pairs.erase(k);
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prox->area_exit(ProximityArea::TRACK_CAMERAS,p_camera);
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}
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}
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cameras.erase(p_camera);
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}
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void SpatialIndexer::update_camera(Camera* p_camera) {
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_request_update();
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}
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void SpatialIndexer::_update_pairs() {
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// brute force interseciton code, no broadphase
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// will implement broadphase in the future
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for (Set<Camera*>::Element *E=cameras.front();E;E=E->next()) {
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Camera *cam = E->get();
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Vector<Plane> cplanes = cam->get_frustum();
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for (Set<ProximityArea*>::Element *F=proximity_areas.front();F;F=F->next()) {
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ProximityArea *prox = F->get();
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bool inters=false;
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if (prox->get_track_flag(ProximityArea::TRACK_CAMERAS)) {
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AABB aabb = prox->get_global_transform().xform(prox->get_aabb());
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if (aabb.intersects_convex_shape(cplanes.ptr(),cplanes.size()))
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inters=true;
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}
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TK<Camera> k;
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k.against=cam;
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k.area=prox;
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bool has = camera_pairs.has(k);
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if (inters==has)
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continue;
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if (inters) {
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camera_pairs.insert(k);
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prox->area_enter(ProximityArea::TRACK_CAMERAS,cam);
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} else {
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camera_pairs.erase(k);
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prox->area_exit(ProximityArea::TRACK_CAMERAS,cam);
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}
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}
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}
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pending_update=false;
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}
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void SpatialIndexer::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("_update_pairs"),&SpatialIndexer::_update_pairs);
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}
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void SpatialIndexer::add_proximity_area(ProximityArea* p_area) {
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proximity_areas.insert(p_area);
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}
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void SpatialIndexer::remove_proximity_area(ProximityArea* p_area) {
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for (Set<Camera*>::Element *E=cameras.front();E;E=E->next()) {
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Camera *cam = E->get();
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TK<Camera> k;
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k.against=cam;
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k.area=p_area;
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if (camera_pairs.has(k)) {
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camera_pairs.erase(k);
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p_area->area_exit(ProximityArea::TRACK_CAMERAS,cam);
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}
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}
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proximity_areas.erase(p_area);
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}
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void SpatialIndexer::_request_update() {
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if (pending_update)
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return;
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pending_update=true;
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call_deferred(SceneStringNames::get_singleton()->_update_pairs);
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}
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void SpatialIndexer::update_proximity_area_transform(ProximityArea* p_area) {
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_request_update();
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}
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void SpatialIndexer::update_proximity_area_flags(ProximityArea* p_area) {
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_request_update();
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}
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SpatialIndexer::SpatialIndexer() {
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pending_update=false;
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}
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#endif
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