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-rw-r--r--scene/3d/visibility_notifier.cpp314
1 files changed, 314 insertions, 0 deletions
diff --git a/scene/3d/visibility_notifier.cpp b/scene/3d/visibility_notifier.cpp
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+++ b/scene/3d/visibility_notifier.cpp
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+/*************************************************************************/
+/* visibility_notifier.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 "visibility_notifier.h"
+
+#include "scene/scene_string_names.h"
+#include "scene/3d/physics_body.h"
+#include "scene/animation/animation_player.h"
+#include "scene/scene_string_names.h"
+
+void VisibilityNotifier::_enter_camera(Camera* p_camera) {
+
+ ERR_FAIL_COND(cameras.has(p_camera));
+ cameras.insert(p_camera);
+ if (cameras.size()==1) {
+ emit_signal(SceneStringNames::get_singleton()->enter_screen);
+ _screen_enter();
+ }
+ emit_signal(SceneStringNames::get_singleton()->enter_camera,p_camera);
+
+}
+
+void VisibilityNotifier::_exit_camera(Camera* p_camera){
+
+ ERR_FAIL_COND(!cameras.has(p_camera));
+ cameras.erase(p_camera);
+
+ emit_signal(SceneStringNames::get_singleton()->exit_camera,p_camera);
+ if (cameras.size()==0) {
+ emit_signal(SceneStringNames::get_singleton()->exit_screen);
+
+ _screen_exit();
+
+ }
+}
+
+
+void VisibilityNotifier::set_aabb(const AABB& p_aabb){
+
+ if (aabb==p_aabb)
+ return;
+ aabb=p_aabb;
+
+ if (is_inside_world()) {
+ get_world()->_update_notifier(this,get_global_transform().xform(aabb));
+ }
+
+ _change_notify("aabb");
+ update_gizmo();
+}
+
+AABB VisibilityNotifier::get_aabb() const{
+
+ return aabb;
+}
+
+
+void VisibilityNotifier::_notification(int p_what) {
+
+
+ switch(p_what) {
+ case NOTIFICATION_ENTER_WORLD: {
+
+
+ get_world()->_register_notifier(this,get_global_transform().xform(aabb));
+ } break;
+ case NOTIFICATION_TRANSFORM_CHANGED: {
+
+
+ get_world()->_update_notifier(this,get_global_transform().xform(aabb));
+ } break;
+ case NOTIFICATION_EXIT_WORLD: {
+
+ get_world()->_remove_notifier(this);
+ } break;
+ }
+}
+
+
+bool VisibilityNotifier::is_on_screen() const {
+
+ return cameras.size()!=0;
+}
+
+void VisibilityNotifier::_bind_methods(){
+
+ ObjectTypeDB::bind_method(_MD("set_aabb","rect"),&VisibilityNotifier::set_aabb);
+ ObjectTypeDB::bind_method(_MD("get_aabb"),&VisibilityNotifier::get_aabb);
+ ObjectTypeDB::bind_method(_MD("is_on_screen"),&VisibilityNotifier::is_on_screen);
+
+ ADD_PROPERTY( PropertyInfo(Variant::_AABB,"aabb"),_SCS("set_aabb"),_SCS("get_aabb"));
+
+ ADD_SIGNAL( MethodInfo("enter_camera",PropertyInfo(Variant::OBJECT,"camera",PROPERTY_HINT_RESOURCE_TYPE,"Camera")) );
+ ADD_SIGNAL( MethodInfo("exit_camera",PropertyInfo(Variant::OBJECT,"camera",PROPERTY_HINT_RESOURCE_TYPE,"Camera")) );
+ ADD_SIGNAL( MethodInfo("enter_screen"));
+ ADD_SIGNAL( MethodInfo("exit_screen"));
+}
+
+
+VisibilityNotifier::VisibilityNotifier() {
+
+ aabb=AABB(Vector3(-1,-1,-1),Vector3(2,2,2));
+
+}
+
+
+
+
+
+//////////////////////////////////////
+
+
+void VisibilityEnabler::_screen_enter() {
+
+
+ for(Map<Node*,Variant>::Element *E=nodes.front();E;E=E->next()) {
+
+ _change_node_state(E->key(),true);
+ }
+
+ visible=true;
+}
+
+void VisibilityEnabler::_screen_exit() {
+
+ for(Map<Node*,Variant>::Element *E=nodes.front();E;E=E->next()) {
+
+ _change_node_state(E->key(),false);
+ }
+
+ visible=false;
+}
+
+void VisibilityEnabler::_find_nodes(Node* p_node) {
+
+
+ bool add=false;
+ Variant meta;
+
+ if (enabler[ENABLER_FREEZE_BODIES]) {
+
+ RigidBody *rb = p_node->cast_to<RigidBody>();
+ if (rb && ((rb->get_mode()==RigidBody::MODE_CHARACTER || (rb->get_mode()==RigidBody::MODE_RIGID && !rb->is_able_to_sleep())))) {
+
+
+ add=true;
+ meta=rb->get_mode();
+ }
+ }
+
+ if (enabler[ENABLER_PAUSE_ANIMATIONS]) {
+
+ AnimationPlayer *ap = p_node->cast_to<AnimationPlayer>();
+ if (ap) {
+ add=true;
+ }
+ }
+
+ if (add) {
+
+ p_node->connect(SceneStringNames::get_singleton()->exit_scene,this,"_node_removed",varray(p_node),CONNECT_ONESHOT);
+ nodes[p_node]=meta;
+ _change_node_state(p_node,false);
+ }
+
+ for(int i=0;i<p_node->get_child_count();i++) {
+ Node *c = p_node->get_child(i);
+ if (c->get_filename()!=String())
+ continue; //skip, instance
+
+ _find_nodes(c);
+ }
+
+}
+
+void VisibilityEnabler::_notification(int p_what){
+
+ if (p_what==NOTIFICATION_ENTER_SCENE) {
+
+ if (get_scene()->is_editor_hint())
+ return;
+
+
+ Node *from = this;
+ //find where current scene starts
+ while(from->get_parent() && from->get_filename()==String())
+ from=from->get_parent();
+
+ _find_nodes(from);
+
+ }
+
+ if (p_what==NOTIFICATION_EXIT_SCENE) {
+
+ if (get_scene()->is_editor_hint())
+ return;
+
+
+ Node *from = this;
+ //find where current scene starts
+
+ for (Map<Node*,Variant>::Element *E=nodes.front();E;E=E->next()) {
+
+ if (!visible)
+ _change_node_state(E->key(),true);
+ E->key()->disconnect(SceneStringNames::get_singleton()->exit_scene,this,"_node_removed");
+ }
+
+ nodes.clear();
+
+ }
+}
+
+void VisibilityEnabler::_change_node_state(Node* p_node,bool p_enabled) {
+
+ ERR_FAIL_COND(!nodes.has(p_node));
+
+ {
+ RigidBody *rb = p_node->cast_to<RigidBody>();
+ if (rb) {
+
+ if (p_enabled) {
+ RigidBody::Mode mode = RigidBody::Mode(nodes[p_node].operator int());
+ //rb->set_mode(mode);
+ rb->set_active(true);
+ } else {
+ //rb->set_mode(RigidBody::MODE_STATIC);
+ rb->set_active(false);
+ }
+ }
+ }
+
+ {
+ AnimationPlayer *ap=p_node->cast_to<AnimationPlayer>();
+
+ if (ap) {
+
+ ap->set_active(p_enabled);
+ }
+ }
+
+}
+
+
+void VisibilityEnabler::_node_removed(Node* p_node) {
+
+ if (!visible)
+ _change_node_state(p_node,true);
+ p_node->disconnect(SceneStringNames::get_singleton()->exit_scene,this,"_node_removed");
+ nodes.erase(p_node);
+
+}
+
+void VisibilityEnabler::_bind_methods(){
+
+ ObjectTypeDB::bind_method(_MD("set_enabler","enabler","enabled"),&VisibilityEnabler::set_enabler);
+ ObjectTypeDB::bind_method(_MD("is_enabler_enabled","enabler"),&VisibilityEnabler::is_enabler_enabled);
+ ObjectTypeDB::bind_method(_MD("_node_removed"),&VisibilityEnabler::_node_removed);
+
+ ADD_PROPERTYI( PropertyInfo(Variant::BOOL,"enabler/pause_animations"),_SCS("set_enabler"),_SCS("is_enabler_enabled"), ENABLER_PAUSE_ANIMATIONS );
+ ADD_PROPERTYI( PropertyInfo(Variant::BOOL,"enabler/freeze_bodies"),_SCS("set_enabler"),_SCS("is_enabler_enabled"), ENABLER_FREEZE_BODIES);
+
+ BIND_CONSTANT( ENABLER_FREEZE_BODIES );
+ BIND_CONSTANT( ENABLER_PAUSE_ANIMATIONS );
+ BIND_CONSTANT( ENABLER_MAX);
+}
+
+void VisibilityEnabler::set_enabler(Enabler p_enabler,bool p_enable){
+
+ ERR_FAIL_INDEX(p_enabler,ENABLER_MAX);
+ enabler[p_enabler]=p_enable;
+
+}
+bool VisibilityEnabler::is_enabler_enabled(Enabler p_enabler) const{
+
+ ERR_FAIL_INDEX_V(p_enabler,ENABLER_MAX,false);
+ return enabler[p_enabler];
+
+}
+
+VisibilityEnabler::VisibilityEnabler() {
+
+ for(int i=0;i<ENABLER_MAX;i++)
+ enabler[i]=true;
+
+ visible=false;
+
+}
+
generated by cgit v1.2.3-70-g09d2 (git 2.52.0) at 2026-01-22 13:53:44 +0000