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Diffstat (limited to 'scene/3d/spatial_indexer.cpp')
| -rw-r--r-- | scene/3d/spatial_indexer.cpp | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/scene/3d/spatial_indexer.cpp b/scene/3d/spatial_indexer.cpp new file mode 100644 index 0000000000..261c62f51c --- /dev/null +++ b/scene/3d/spatial_indexer.cpp @@ -0,0 +1,165 @@ +/*************************************************************************/ +/* spatial_indexer.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 "spatial_indexer.h" + +#if 0 + +#include "proximity_area.h" +#include "camera.h" +#include "scene/scene_string_names.h" + +void SpatialIndexer::add_camera(Camera* p_camera) { + + cameras.insert(p_camera); +} + +void SpatialIndexer::remove_camera(Camera* p_camera){ + + for (Set<ProximityArea*>::Element *F=proximity_areas.front();F;F=F->next()) { + + ProximityArea *prox = F->get(); + TK<Camera> k; + k.against=p_camera; + k.area=prox; + if (camera_pairs.has(k)) { + camera_pairs.erase(k); + prox->area_exit(ProximityArea::TRACK_CAMERAS,p_camera); + } + } + cameras.erase(p_camera); + +} + +void SpatialIndexer::update_camera(Camera* p_camera) { + + + _request_update(); +} + +void SpatialIndexer::_update_pairs() { + + // brute force interseciton code, no broadphase + // will implement broadphase in the future + + for (Set<Camera*>::Element *E=cameras.front();E;E=E->next()) { + + Camera *cam = E->get(); + Vector<Plane> cplanes = cam->get_frustum(); + + for (Set<ProximityArea*>::Element *F=proximity_areas.front();F;F=F->next()) { + + ProximityArea *prox = F->get(); + + bool inters=false; + + if (prox->get_track_flag(ProximityArea::TRACK_CAMERAS)) { + + AABB aabb = prox->get_global_transform().xform(prox->get_aabb()); + if (aabb.intersects_convex_shape(cplanes.ptr(),cplanes.size())) + inters=true; + } + + TK<Camera> k; + k.against=cam; + k.area=prox; + + bool has = camera_pairs.has(k); + + if (inters==has) + continue; + + if (inters) { + camera_pairs.insert(k); + prox->area_enter(ProximityArea::TRACK_CAMERAS,cam); + } else { + + camera_pairs.erase(k); + prox->area_exit(ProximityArea::TRACK_CAMERAS,cam); + } + } + + } + + pending_update=false; +} + +void SpatialIndexer::_bind_methods() { + + + ObjectTypeDB::bind_method(_MD("_update_pairs"),&SpatialIndexer::_update_pairs); +} + + +void SpatialIndexer::add_proximity_area(ProximityArea* p_area) { + + proximity_areas.insert(p_area); + +} + +void SpatialIndexer::remove_proximity_area(ProximityArea* p_area) { + + for (Set<Camera*>::Element *E=cameras.front();E;E=E->next()) { + + Camera *cam = E->get(); + TK<Camera> k; + k.against=cam; + k.area=p_area; + if (camera_pairs.has(k)) { + camera_pairs.erase(k); + p_area->area_exit(ProximityArea::TRACK_CAMERAS,cam); + } + } + proximity_areas.erase(p_area); + +} + +void SpatialIndexer::_request_update() { + + if (pending_update) + return; + pending_update=true; + call_deferred(SceneStringNames::get_singleton()->_update_pairs); + +} + +void SpatialIndexer::update_proximity_area_transform(ProximityArea* p_area) { + + _request_update(); +} + +void SpatialIndexer::update_proximity_area_flags(ProximityArea* p_area) { + + _request_update(); +} + +SpatialIndexer::SpatialIndexer() { + + pending_update=false; +} +#endif |