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Add Listener2D

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This commit is contained in:
kobewi 2020-12-31 21:34:09 +01:00
parent 4d08a737fb
commit f2cb0a8d4b
10 changed files with 252 additions and 18 deletions
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35
doc/classes/Listener2D.xml Normal file
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@ -0,0 +1,35 @@
<?xml version="1.0" encoding="UTF-8" ?>
<class name="Listener2D" inherits="Node2D" version="4.0">
<brief_description>
Overrides the location sounds are heard from.
</brief_description>
<description>
Once added to the scene tree and enabled using [method make_current], this node will override the location sounds are heard from. Only one [Listener2D] can be current. Using [method make_current] will disable the previous [Listener2D].
If there is no active [Listener2D] in the current [Viewport], center of the screen will be used as a hearing point for the audio. [Listener2D] needs to be inside [SceneTree] to function.
</description>
<tutorials>
</tutorials>
<methods>
<method name="clear_current">
<return type="void" />
<description>
Disables the [Listener2D]. If it's not set as current, this method will have no effect.
</description>
</method>
<method name="is_current" qualifiers="const">
<return type="bool" />
<description>
Returns [code]true[/code] if this [Listener2D] is currently active.
</description>
</method>
<method name="make_current">
<return type="void" />
<description>
Makes the [Listener2D] active, setting it as the hearing point for the sounds. If there is already another active [Listener2D], it will be disabled.
This method will have no effect if the [Listener2D] is not added to [SceneTree].
</description>
</method>
</methods>
<constants>
</constants>
</class>

1
doc/classes/Listener3D.xml
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@ -5,7 +5,6 @@
</brief_description>
<description>
Once added to the scene tree and enabled using [method make_current], this node will override the location sounds are heard from. This can be used to listen from a location different from the [Camera3D].
[b]Note:[/b] There is no 2D equivalent for this node yet.
</description>
<tutorials>
</tutorials>

1
editor/icons/Listener2D.svg Normal file
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@ -0,0 +1 @@
<svg height="16" viewBox="0 0 16 16" width="16" xmlns="http://www.w3.org/2000/svg"><path d="m6 1a5 5 0 0 0 -5 5h2a3 3 0 0 1 3-3 3 3 0 0 1 3 3c0 1.75-.54175 2.3583-1.1406 2.8574-.29944.2495-.62954.44071-.97656.69141-.17351.1253-.35729.26529-.53711.49219-.17982.227-.3457.58398-.3457.95898 0 1.2778-.31632 1.5742-.63867 1.7676-.32236.1934-.86133.23242-1.3613.23242h-1v2h1c.5 0 1.461.038922 2.3887-.51758.87316-.5239 1.4826-1.6633 1.5566-3.2266.011365-.0098.027247-.024684.10938-.083984.21547-.1556.63537-.40194 1.0859-.77734.90112-.751 1.8594-2.1445 1.8594-4.3945a5 5 0 0 0 -5-5zm7.9277 1-1.7383 1.0039a6 6 0 0 1 .81055 2.9961 6 6 0 0 1 -.80859 2.998l1.7363 1.002a8 8 0 0 0 0-8z" fill="#a5b7f3"/></svg>
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21
scene/2d/audio_stream_player_2d.cpp
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@ -31,6 +31,7 @@
#include "audio_stream_player_2d.h"
#include "scene/2d/area_2d.h"
#include "scene/2d/listener_2d.h"
#include "scene/main/window.h"
void AudioStreamPlayer2D::_notification(int p_what) {
@ -138,13 +139,22 @@ void AudioStreamPlayer2D::_update_panning() {
continue;
}
//compute matrix to convert to screen
Transform2D to_screen = vp->get_global_canvas_transform() * vp->get_canvas_transform();
Vector2 screen_size = vp->get_visible_rect().size;
Vector2 listener_in_global;
Vector2 relative_to_listener;
//screen in global is used for attenuation
Vector2 screen_in_global = to_screen.affine_inverse().xform(screen_size * 0.5);
Listener2D *listener = vp->get_listener_2d();
if (listener) {
listener_in_global = listener->get_global_position();
relative_to_listener = global_pos - listener_in_global;
} else {
Transform2D to_listener = vp->get_global_canvas_transform() * vp->get_canvas_transform();
listener_in_global = to_listener.affine_inverse().xform(screen_size * 0.5);
relative_to_listener = to_listener.xform(global_pos) - screen_size * 0.5;
}
float dist = global_pos.distance_to(screen_in_global); //distance to screen center
float dist = global_pos.distance_to(listener_in_global); // Distance to listener, or screen if none.
if (dist > max_distance) {
continue; //can't hear this sound in this viewport
@ -153,10 +163,7 @@ void AudioStreamPlayer2D::_update_panning() {
float multiplier = Math::pow(1.0f - dist / max_distance, attenuation);
multiplier *= Math::db2linear(volume_db); //also apply player volume!
//point in screen is used for panning
Vector2 point_in_screen = to_screen.xform(global_pos);
float pan = CLAMP(point_in_screen.x / screen_size.width, 0.0, 1.0);
float pan = CLAMP((relative_to_listener.x + screen_size.x * 0.5) / screen_size.x, 0.0, 1.0);
float l = 1.0 - pan;
float r = pan;

112
scene/2d/listener_2d.cpp Normal file
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@ -0,0 +1,112 @@
/*************************************************************************/
/* listener_2d.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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 "listener_2d.h"
bool Listener2D::_set(const StringName &p_name, const Variant &p_value) {
if (p_name == "current") {
if (p_value.operator bool()) {
make_current();
} else {
clear_current();
}
} else {
return false;
}
return true;
}
bool Listener2D::_get(const StringName &p_name, Variant &r_ret) const {
if (p_name == "current") {
if (is_inside_tree() && get_tree()->is_node_being_edited(this)) {
r_ret = current;
} else {
r_ret = is_current();
}
} else {
return false;
}
return true;
}
void Listener2D::_get_property_list(List<PropertyInfo> *p_list) const {
p_list->push_back(PropertyInfo(Variant::BOOL, "current"));
}
void Listener2D::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
if (!get_tree()->is_node_being_edited(this) && current) {
make_current();
}
} break;
case NOTIFICATION_EXIT_TREE: {
if (!get_tree()->is_node_being_edited(this)) {
if (is_current()) {
clear_current();
current = true; // Keep it true.
} else {
current = false;
}
}
} break;
}
}
void Listener2D::make_current() {
current = true;
if (!is_inside_tree()) {
return;
}
get_viewport()->_listener_2d_set(this);
}
void Listener2D::clear_current() {
current = false;
if (!is_inside_tree()) {
return;
}
get_viewport()->_listener_2d_remove(this);
}
bool Listener2D::is_current() const {
if (is_inside_tree() && !get_tree()->is_node_being_edited(this)) {
return get_viewport()->get_listener_2d() == this;
} else {
return current;
}
return false;
}
void Listener2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("make_current"), &Listener2D::make_current);
ClassDB::bind_method(D_METHOD("clear_current"), &Listener2D::clear_current);
ClassDB::bind_method(D_METHOD("is_current"), &Listener2D::is_current);
}

61
scene/2d/listener_2d.h Normal file
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@ -0,0 +1,61 @@
/*************************************************************************/
/* listener_2d.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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. */
/*************************************************************************/
#ifndef LISTENER_2D_H
#define LISTENER_2D_H
#include "scene/2d/node_2d.h"
#include "scene/main/window.h"
class Listener2D : public Node2D {
GDCLASS(Listener2D, Node2D);
private:
bool current = false;
friend class Viewport;
protected:
void _update_listener();
bool _set(const StringName &p_name, const Variant &p_value);
bool _get(const StringName &p_name, Variant &r_ret) const;
void _get_property_list(List<PropertyInfo> *p_list) const;
void _notification(int p_what);
static void _bind_methods();
public:
void make_current();
void clear_current();
bool is_current() const;
};
#endif

9
scene/main/scene_tree.cpp
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@ -858,15 +858,6 @@ void SceneTree::_notify_group_pause(const StringName &p_group, int p_notificatio
}
}
/*
void SceneMainLoop::_update_listener_2d() {
if (listener_2d.is_valid()) {
SpatialSound2DServer::get_singleton()->listener_set_space( listener_2d, world_2d->get_sound_space() );
}
}
*/
void SceneTree::_call_input_pause(const StringName &p_group, CallInputType p_call_type, const Ref<InputEvent> &p_input, Viewport *p_viewport) {
Map<StringName, Group>::Element *E = group_map.find(p_group);
if (!E) {

21
scene/main/viewport.cpp
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@ -37,6 +37,7 @@
#include "core/templates/pair.h"
#include "scene/2d/camera_2d.h"
#include "scene/2d/collision_object_2d.h"
#include "scene/2d/listener_2d.cpp"
#ifndef _3D_DISABLED
#include "scene/3d/camera_3d.h"
#include "scene/3d/collision_object_3d.h"
@ -831,7 +832,6 @@ void Viewport::set_as_audio_listener_2d(bool p_enable) {
}
audio_listener_2d = p_enable;
_update_listener_2d();
}
@ -839,6 +839,10 @@ bool Viewport::is_audio_listener_2d() const {
return audio_listener_2d;
}
Listener2D *Viewport::get_listener_2d() const {
return listener_2d;
}
void Viewport::enable_canvas_transform_override(bool p_enable) {
if (override_canvas_transform == p_enable) {
return;
@ -903,6 +907,21 @@ void Viewport::_camera_2d_set(Camera2D *p_camera_2d) {
camera_2d = p_camera_2d;
}
void Viewport::_listener_2d_set(Listener2D *p_listener) {
if (listener_2d == p_listener) {
return;
} else if (listener_2d) {
listener_2d->clear_current();
}
listener_2d = p_listener;
}
void Viewport::_listener_2d_remove(Listener2D *p_listener) {
if (listener_2d == p_listener) {
listener_2d = nullptr;
}
}
void Viewport::_canvas_layer_add(CanvasLayer *p_canvas_layer) {
canvas_layers.insert(p_canvas_layer);
}

7
scene/main/viewport.h
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@ -41,6 +41,7 @@ class Listener3D;
class World3D;
#endif // _3D_DISABLED
class Listener2D;
class Camera2D;
class CanvasItem;
class CanvasLayer;
@ -201,6 +202,7 @@ private:
Viewport *parent = nullptr;
Listener2D *listener_2d = nullptr;
Camera2D *camera_2d = nullptr;
Set<CanvasLayer *> canvas_layers;
@ -416,6 +418,10 @@ private:
bool _gui_drop(Control *p_at_control, Point2 p_at_pos, bool p_just_check);
friend class Listener2D;
void _listener_2d_set(Listener2D *p_listener);
void _listener_2d_remove(Listener2D *p_listener);
friend class Camera2D;
void _camera_2d_set(Camera2D *p_camera_2d);
@ -457,6 +463,7 @@ protected:
public:
uint64_t get_processed_events_count() const { return event_count; }
Listener2D *get_listener_2d() const;
Camera2D *get_camera_2d() const;
void set_as_audio_listener_2d(bool p_enable);
bool is_audio_listener_2d() const;

2
scene/register_scene_types.cpp
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@ -49,6 +49,7 @@
#include "scene/2d/light_2d.h"
#include "scene/2d/light_occluder_2d.h"
#include "scene/2d/line_2d.h"
#include "scene/2d/listener_2d.h"
#include "scene/2d/mesh_instance_2d.h"
#include "scene/2d/multimesh_instance_2d.h"
#include "scene/2d/navigation_agent_2d.h"
@ -669,6 +670,7 @@ void register_scene_types() {
OS::get_singleton()->yield(); //may take time to init
GDREGISTER_CLASS(Camera2D);
GDREGISTER_CLASS(Listener2D);
GDREGISTER_VIRTUAL_CLASS(Joint2D);
GDREGISTER_CLASS(PinJoint2D);
GDREGISTER_CLASS(GrooveJoint2D);