158 lines
4.8 KiB
C++
158 lines
4.8 KiB
C++
/*************************************************************************/
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/* listener.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) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 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 "listener.h"
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#include "scene/resources/mesh.h"
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void Listener::_update_audio_listener_state() {
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}
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void Listener::_request_listener_update() {
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_update_listener();
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}
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bool Listener::_set(const StringName &p_name, const Variant &p_value) {
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if (p_name == "current") {
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if (p_value.operator bool()) {
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make_current();
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} else {
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clear_current();
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}
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} else {
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return false;
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}
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return true;
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}
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bool Listener::_get(const StringName &p_name, Variant &r_ret) const {
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if (p_name == "current") {
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if (is_inside_tree() && get_tree()->is_node_being_edited(this)) {
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r_ret = current;
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} else {
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r_ret = is_current();
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}
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} else {
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return false;
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}
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return true;
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}
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void Listener::_get_property_list(List<PropertyInfo> *p_list) const {
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p_list->push_back(PropertyInfo(Variant::BOOL, "current"));
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}
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void Listener::_update_listener() {
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if (is_inside_tree() && is_current()) {
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get_viewport()->_listener_transform_changed_notify();
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}
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}
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void Listener::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_ENTER_WORLD: {
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bool first_listener = get_viewport()->_listener_add(this);
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if (!get_tree()->is_node_being_edited(this) && (current || first_listener)) {
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make_current();
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}
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} break;
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case NOTIFICATION_TRANSFORM_CHANGED: {
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_request_listener_update();
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} break;
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case NOTIFICATION_EXIT_WORLD: {
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if (!get_tree()->is_node_being_edited(this)) {
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if (is_current()) {
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clear_current();
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current = true; //keep it true
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} else {
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current = false;
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}
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}
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get_viewport()->_listener_remove(this);
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} break;
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}
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}
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Transform Listener::get_listener_transform() const {
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return get_global_transform().orthonormalized();
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}
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void Listener::make_current() {
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current = true;
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if (!is_inside_tree()) {
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return;
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}
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get_viewport()->_listener_set(this);
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}
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void Listener::clear_current() {
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current = false;
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if (!is_inside_tree()) {
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return;
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}
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if (get_viewport()->get_listener() == this) {
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get_viewport()->_listener_set(nullptr);
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get_viewport()->_listener_make_next_current(this);
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}
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}
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bool Listener::is_current() const {
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if (is_inside_tree() && !get_tree()->is_node_being_edited(this)) {
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return get_viewport()->get_listener() == this;
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} else {
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return current;
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}
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return false;
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}
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void Listener::_bind_methods() {
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ClassDB::bind_method(D_METHOD("make_current"), &Listener::make_current);
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ClassDB::bind_method(D_METHOD("clear_current"), &Listener::clear_current);
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ClassDB::bind_method(D_METHOD("is_current"), &Listener::is_current);
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ClassDB::bind_method(D_METHOD("get_listener_transform"), &Listener::get_listener_transform);
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}
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Listener::Listener() {
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current = false;
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force_change = false;
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set_notify_transform(true);
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}
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Listener::~Listener() {
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}
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