338 lines
8.1 KiB
C++
338 lines
8.1 KiB
C++
/*************************************************************************/
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/* world.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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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 "world.h"
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#include "scene/3d/camera.h"
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#include "scene/3d/visibility_notifier.h"
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#include "scene/3d/spatial_indexer.h"
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#include "scene/scene_string_names.h"
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#include "octree.h"
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#include "camera_matrix.h"
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struct SpatialIndexer {
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Octree<VisibilityNotifier> octree;
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struct NotifierData {
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AABB aabb;
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OctreeElementID id;
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};
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Map<VisibilityNotifier*,NotifierData> notifiers;
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struct CameraData {
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Map<VisibilityNotifier*,uint64_t> notifiers;
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};
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Map<Camera*,CameraData> cameras;
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enum {
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VISIBILITY_CULL_MAX=32768
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};
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Vector<VisibilityNotifier*> cull;
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bool changed;
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uint64_t pass;
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uint64_t last_frame;
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void _notifier_add(VisibilityNotifier* p_notifier,const AABB& p_rect) {
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ERR_FAIL_COND(notifiers.has(p_notifier));
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notifiers[p_notifier].aabb=p_rect;
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notifiers[p_notifier].id = octree.create(p_notifier,p_rect);
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changed=true;
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}
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void _notifier_update(VisibilityNotifier* p_notifier,const AABB& p_rect) {
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Map<VisibilityNotifier*,NotifierData>::Element *E=notifiers.find(p_notifier);
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ERR_FAIL_COND(!E);
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if (E->get().aabb==p_rect)
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return;
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E->get().aabb=p_rect;
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octree.move(E->get().id,E->get().aabb);
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changed=true;
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}
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void _notifier_remove(VisibilityNotifier* p_notifier) {
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Map<VisibilityNotifier*,NotifierData>::Element *E=notifiers.find(p_notifier);
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ERR_FAIL_COND(!E);
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octree.erase(E->get().id);
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notifiers.erase(p_notifier);
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List<Camera*> removed;
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for (Map<Camera*,CameraData>::Element*F=cameras.front();F;F=F->next()) {
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Map<VisibilityNotifier*,uint64_t>::Element*G=F->get().notifiers.find(p_notifier);
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if (G) {
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F->get().notifiers.erase(G);
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removed.push_back(F->key());
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}
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}
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while(!removed.empty()) {
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p_notifier->_exit_camera(removed.front()->get());
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removed.pop_front();
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}
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changed=true;
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}
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void _add_camera(Camera* p_camera) {
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ERR_FAIL_COND(cameras.has(p_camera));
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CameraData vd;
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cameras[p_camera]=vd;
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changed=true;
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}
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void _update_camera(Camera* p_camera) {
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Map<Camera*,CameraData>::Element *E= cameras.find(p_camera);
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ERR_FAIL_COND(!E);
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changed=true;
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}
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void _remove_camera(Camera* p_camera) {
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ERR_FAIL_COND(!cameras.has(p_camera));
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List<VisibilityNotifier*> removed;
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for(Map<VisibilityNotifier*,uint64_t>::Element *E=cameras[p_camera].notifiers.front();E;E=E->next()) {
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removed.push_back(E->key());
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}
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while(!removed.empty()) {
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removed.front()->get()->_exit_camera(p_camera);
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removed.pop_front();
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}
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cameras.erase(p_camera);
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}
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void _update(uint64_t p_frame) {
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if (p_frame==last_frame)
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return;
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last_frame=p_frame;
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if (!changed)
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return;
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for (Map<Camera*,CameraData>::Element *E=cameras.front();E;E=E->next()) {
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pass++;
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Camera *c=E->key();
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Vector<Plane> planes = c->get_frustum();
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int culled = octree.cull_convex(planes,cull.ptr(),cull.size());
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VisibilityNotifier**ptr=cull.ptr();
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List<VisibilityNotifier*> added;
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List<VisibilityNotifier*> removed;
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for(int i=0;i<culled;i++) {
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//notifiers in frustum
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Map<VisibilityNotifier*,uint64_t>::Element *H=E->get().notifiers.find(ptr[i]);
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if (!H) {
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E->get().notifiers.insert(ptr[i],pass);
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added.push_back(ptr[i]);
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} else {
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H->get()=pass;
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}
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}
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for (Map<VisibilityNotifier*,uint64_t>::Element *F=E->get().notifiers.front();F;F=F->next()) {
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if (F->get()!=pass)
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removed.push_back(F->key());
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}
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while(!added.empty()) {
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added.front()->get()->_enter_camera(E->key());
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added.pop_front();
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}
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while(!removed.empty()) {
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E->get().notifiers.erase(removed.front()->get());
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removed.front()->get()->_exit_camera(E->key());
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removed.pop_front();
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}
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}
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changed=false;
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}
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SpatialIndexer() {
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pass=0;
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last_frame=0;
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changed=false;
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cull.resize(VISIBILITY_CULL_MAX);
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}
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};
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void World::_register_camera(Camera* p_camera) {
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indexer->_add_camera(p_camera);
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}
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void World::_update_camera(Camera* p_camera){
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indexer->_update_camera(p_camera);
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}
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void World::_remove_camera(Camera* p_camera){
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indexer->_remove_camera(p_camera);
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}
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void World::_register_notifier(VisibilityNotifier* p_notifier,const AABB& p_rect){
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indexer->_notifier_add(p_notifier,p_rect);
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}
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void World::_update_notifier(VisibilityNotifier* p_notifier,const AABB& p_rect){
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indexer->_notifier_update(p_notifier,p_rect);
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}
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void World::_remove_notifier(VisibilityNotifier* p_notifier){
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indexer->_notifier_remove(p_notifier);
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}
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void World::_update(uint64_t p_frame) {
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indexer->_update(p_frame);
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}
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RID World::get_space() const {
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return space;
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}
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RID World::get_scenario() const{
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return scenario;
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}
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RID World::get_sound_space() const{
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return sound_space;
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}
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void World::set_environment(const Ref<Environment>& p_environment) {
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environment=p_environment;
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if (environment.is_valid())
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VS::get_singleton()->scenario_set_environment(scenario,environment->get_rid());
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else
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VS::get_singleton()->scenario_set_environment(scenario,RID());
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}
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Ref<Environment> World::get_environment() const {
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return environment;
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}
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void World::_bind_methods() {
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ObjectTypeDB::bind_method(_MD("get_space"),&World::get_space);
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ObjectTypeDB::bind_method(_MD("get_scenario"),&World::get_scenario);
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ObjectTypeDB::bind_method(_MD("get_sound_space"),&World::get_sound_space);
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ObjectTypeDB::bind_method(_MD("set_environment","env:Environment"),&World::set_environment);
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ObjectTypeDB::bind_method(_MD("get_environment:Environment"),&World::get_environment);
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ADD_PROPERTY(PropertyInfo(Variant::OBJECT,"environment",PROPERTY_HINT_RESOURCE_TYPE,"Environment"),_SCS("set_environment"),_SCS("get_environment"));
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}
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World::World() {
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space = PhysicsServer::get_singleton()->space_create();
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scenario = VisualServer::get_singleton()->scenario_create();
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sound_space = SpatialSoundServer::get_singleton()->space_create();
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PhysicsServer::get_singleton()->space_set_active(space,true);
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#ifdef _3D_DISABLED
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indexer = NULL;
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#else
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indexer = memnew( SpatialIndexer );
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#endif
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}
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World::~World() {
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PhysicsServer::get_singleton()->free(space);
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VisualServer::get_singleton()->free(scenario);
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SpatialSoundServer::get_singleton()->free(sound_space);
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#ifndef _3D_DISABLED
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memdelete( indexer );
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#endif
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}
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