mirror of
https://github.com/godotengine/godot.git
synced 2024-12-27 11:24:59 +08:00
458 lines
17 KiB
C++
458 lines
17 KiB
C++
/*************************************************************************/
|
|
/* audio_stream_player_2d.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2022 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 "audio_stream_player_2d.h"
|
|
|
|
#include "scene/2d/area_2d.h"
|
|
#include "scene/2d/audio_listener_2d.h"
|
|
#include "scene/main/window.h"
|
|
#include "scene/resources/world_2d.h"
|
|
|
|
void AudioStreamPlayer2D::_notification(int p_what) {
|
|
switch (p_what) {
|
|
case NOTIFICATION_ENTER_TREE: {
|
|
AudioServer::get_singleton()->add_listener_changed_callback(_listener_changed_cb, this);
|
|
if (autoplay && !Engine::get_singleton()->is_editor_hint()) {
|
|
play();
|
|
}
|
|
} break;
|
|
|
|
case NOTIFICATION_EXIT_TREE: {
|
|
stop();
|
|
AudioServer::get_singleton()->remove_listener_changed_callback(_listener_changed_cb, this);
|
|
} break;
|
|
|
|
case NOTIFICATION_PAUSED: {
|
|
if (!can_process()) {
|
|
// Node can't process so we start fading out to silence.
|
|
set_stream_paused(true);
|
|
}
|
|
} break;
|
|
|
|
case NOTIFICATION_UNPAUSED: {
|
|
set_stream_paused(false);
|
|
} break;
|
|
|
|
case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {
|
|
// Update anything related to position first, if possible of course.
|
|
if (setplay.get() > 0 || (active.is_set() && last_mix_count != AudioServer::get_singleton()->get_mix_count())) {
|
|
_update_panning();
|
|
}
|
|
|
|
if (setplay.get() >= 0 && stream.is_valid()) {
|
|
active.set();
|
|
Ref<AudioStreamPlayback> new_playback = stream->instance_playback();
|
|
ERR_FAIL_COND_MSG(new_playback.is_null(), "Failed to instantiate playback.");
|
|
AudioServer::get_singleton()->start_playback_stream(new_playback, _get_actual_bus(), volume_vector, setplay.get(), pitch_scale);
|
|
stream_playbacks.push_back(new_playback);
|
|
setplay.set(-1);
|
|
}
|
|
|
|
if (!stream_playbacks.is_empty() && active.is_set()) {
|
|
// Stop playing if no longer active.
|
|
Vector<Ref<AudioStreamPlayback>> playbacks_to_remove;
|
|
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
|
|
if (playback.is_valid() && !AudioServer::get_singleton()->is_playback_active(playback) && !AudioServer::get_singleton()->is_playback_paused(playback)) {
|
|
playbacks_to_remove.push_back(playback);
|
|
}
|
|
}
|
|
// Now go through and remove playbacks that have finished. Removing elements from a Vector in a range based for is asking for trouble.
|
|
for (Ref<AudioStreamPlayback> &playback : playbacks_to_remove) {
|
|
stream_playbacks.erase(playback);
|
|
}
|
|
if (!playbacks_to_remove.is_empty() && stream_playbacks.is_empty()) {
|
|
// This node is no longer actively playing audio.
|
|
active.clear();
|
|
set_physics_process_internal(false);
|
|
}
|
|
if (!playbacks_to_remove.is_empty()) {
|
|
emit_signal(SNAME("finished"));
|
|
}
|
|
}
|
|
|
|
while (stream_playbacks.size() > max_polyphony) {
|
|
AudioServer::get_singleton()->stop_playback_stream(stream_playbacks[0]);
|
|
stream_playbacks.remove_at(0);
|
|
}
|
|
} break;
|
|
}
|
|
}
|
|
|
|
StringName AudioStreamPlayer2D::_get_actual_bus() {
|
|
Vector2 global_pos = get_global_position();
|
|
|
|
//check if any area is diverting sound into a bus
|
|
Ref<World2D> world_2d = get_world_2d();
|
|
ERR_FAIL_COND_V(world_2d.is_null(), SNAME("Master"));
|
|
|
|
PhysicsDirectSpaceState2D *space_state = PhysicsServer2D::get_singleton()->space_get_direct_state(world_2d->get_space());
|
|
PhysicsDirectSpaceState2D::ShapeResult sr[MAX_INTERSECT_AREAS];
|
|
|
|
PhysicsDirectSpaceState2D::PointParameters point_params;
|
|
point_params.position = global_pos;
|
|
point_params.collision_mask = area_mask;
|
|
point_params.collide_with_bodies = false;
|
|
point_params.collide_with_areas = true;
|
|
|
|
int areas = space_state->intersect_point(point_params, sr, MAX_INTERSECT_AREAS);
|
|
|
|
for (int i = 0; i < areas; i++) {
|
|
Area2D *area2d = Object::cast_to<Area2D>(sr[i].collider);
|
|
if (!area2d) {
|
|
continue;
|
|
}
|
|
|
|
if (!area2d->is_overriding_audio_bus()) {
|
|
continue;
|
|
}
|
|
|
|
return area2d->get_audio_bus_name();
|
|
}
|
|
return default_bus;
|
|
}
|
|
|
|
void AudioStreamPlayer2D::_update_panning() {
|
|
if (!active.is_set() || stream.is_null()) {
|
|
return;
|
|
}
|
|
|
|
Ref<World2D> world_2d = get_world_2d();
|
|
ERR_FAIL_COND(world_2d.is_null());
|
|
|
|
Vector2 global_pos = get_global_position();
|
|
|
|
Set<Viewport *> viewports = world_2d->get_viewports();
|
|
viewports.insert(get_viewport()); // TODO: This is a mediocre workaround for #50958. Remove when that bug is fixed!
|
|
|
|
volume_vector.resize(4);
|
|
volume_vector.write[0] = AudioFrame(0, 0);
|
|
volume_vector.write[1] = AudioFrame(0, 0);
|
|
volume_vector.write[2] = AudioFrame(0, 0);
|
|
volume_vector.write[3] = AudioFrame(0, 0);
|
|
|
|
for (Viewport *vp : viewports) {
|
|
if (!vp->is_audio_listener_2d()) {
|
|
continue;
|
|
}
|
|
//compute matrix to convert to screen
|
|
Vector2 screen_size = vp->get_visible_rect().size;
|
|
Vector2 listener_in_global;
|
|
Vector2 relative_to_listener;
|
|
|
|
//screen in global is used for attenuation
|
|
AudioListener2D *listener = vp->get_audio_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(listener_in_global); // Distance to listener, or screen if none.
|
|
|
|
if (dist > max_distance) {
|
|
continue; //can't hear this sound in this viewport
|
|
}
|
|
|
|
float multiplier = Math::pow(1.0f - dist / max_distance, attenuation);
|
|
multiplier *= Math::db2linear(volume_db); //also apply player volume!
|
|
|
|
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;
|
|
|
|
volume_vector.write[0] = AudioFrame(l, r) * multiplier;
|
|
}
|
|
|
|
for (const Ref<AudioStreamPlayback> &playback : stream_playbacks) {
|
|
AudioServer::get_singleton()->set_playback_bus_exclusive(playback, _get_actual_bus(), volume_vector);
|
|
}
|
|
|
|
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
|
|
AudioServer::get_singleton()->set_playback_pitch_scale(playback, pitch_scale);
|
|
}
|
|
|
|
last_mix_count = AudioServer::get_singleton()->get_mix_count();
|
|
}
|
|
|
|
void AudioStreamPlayer2D::set_stream(Ref<AudioStream> p_stream) {
|
|
stop();
|
|
stream = p_stream;
|
|
}
|
|
|
|
Ref<AudioStream> AudioStreamPlayer2D::get_stream() const {
|
|
return stream;
|
|
}
|
|
|
|
void AudioStreamPlayer2D::set_volume_db(float p_volume) {
|
|
volume_db = p_volume;
|
|
}
|
|
|
|
float AudioStreamPlayer2D::get_volume_db() const {
|
|
return volume_db;
|
|
}
|
|
|
|
void AudioStreamPlayer2D::set_pitch_scale(float p_pitch_scale) {
|
|
ERR_FAIL_COND(p_pitch_scale <= 0.0);
|
|
pitch_scale = p_pitch_scale;
|
|
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
|
|
AudioServer::get_singleton()->set_playback_pitch_scale(playback, p_pitch_scale);
|
|
}
|
|
}
|
|
|
|
float AudioStreamPlayer2D::get_pitch_scale() const {
|
|
return pitch_scale;
|
|
}
|
|
|
|
void AudioStreamPlayer2D::play(float p_from_pos) {
|
|
if (stream.is_null()) {
|
|
return;
|
|
}
|
|
ERR_FAIL_COND_MSG(!is_inside_tree(), "Playback can only happen when a node is inside the scene tree");
|
|
if (stream->is_monophonic() && is_playing()) {
|
|
stop();
|
|
}
|
|
|
|
setplay.set(p_from_pos);
|
|
active.set();
|
|
set_physics_process_internal(true);
|
|
}
|
|
|
|
void AudioStreamPlayer2D::seek(float p_seconds) {
|
|
if (is_playing()) {
|
|
stop();
|
|
play(p_seconds);
|
|
}
|
|
}
|
|
|
|
void AudioStreamPlayer2D::stop() {
|
|
setplay.set(-1);
|
|
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
|
|
AudioServer::get_singleton()->stop_playback_stream(playback);
|
|
}
|
|
stream_playbacks.clear();
|
|
active.clear();
|
|
set_physics_process_internal(false);
|
|
}
|
|
|
|
bool AudioStreamPlayer2D::is_playing() const {
|
|
for (const Ref<AudioStreamPlayback> &playback : stream_playbacks) {
|
|
if (AudioServer::get_singleton()->is_playback_active(playback)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
float AudioStreamPlayer2D::get_playback_position() {
|
|
// Return the playback position of the most recently started playback stream.
|
|
if (!stream_playbacks.is_empty()) {
|
|
return AudioServer::get_singleton()->get_playback_position(stream_playbacks[stream_playbacks.size() - 1]);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void AudioStreamPlayer2D::set_bus(const StringName &p_bus) {
|
|
default_bus = p_bus; // This will be pushed to the audio server during the next physics timestep, which is fast enough.
|
|
}
|
|
|
|
StringName AudioStreamPlayer2D::get_bus() const {
|
|
for (int i = 0; i < AudioServer::get_singleton()->get_bus_count(); i++) {
|
|
if (AudioServer::get_singleton()->get_bus_name(i) == default_bus) {
|
|
return default_bus;
|
|
}
|
|
}
|
|
return SNAME("Master");
|
|
}
|
|
|
|
void AudioStreamPlayer2D::set_autoplay(bool p_enable) {
|
|
autoplay = p_enable;
|
|
}
|
|
|
|
bool AudioStreamPlayer2D::is_autoplay_enabled() {
|
|
return autoplay;
|
|
}
|
|
|
|
void AudioStreamPlayer2D::_set_playing(bool p_enable) {
|
|
if (p_enable) {
|
|
play();
|
|
} else {
|
|
stop();
|
|
}
|
|
}
|
|
|
|
bool AudioStreamPlayer2D::_is_active() const {
|
|
return active.is_set();
|
|
}
|
|
|
|
void AudioStreamPlayer2D::_validate_property(PropertyInfo &property) const {
|
|
if (property.name == "bus") {
|
|
String options;
|
|
for (int i = 0; i < AudioServer::get_singleton()->get_bus_count(); i++) {
|
|
if (i > 0) {
|
|
options += ",";
|
|
}
|
|
String name = AudioServer::get_singleton()->get_bus_name(i);
|
|
options += name;
|
|
}
|
|
|
|
property.hint_string = options;
|
|
}
|
|
}
|
|
|
|
void AudioStreamPlayer2D::_bus_layout_changed() {
|
|
notify_property_list_changed();
|
|
}
|
|
|
|
void AudioStreamPlayer2D::set_max_distance(float p_pixels) {
|
|
ERR_FAIL_COND(p_pixels <= 0.0);
|
|
max_distance = p_pixels;
|
|
}
|
|
|
|
float AudioStreamPlayer2D::get_max_distance() const {
|
|
return max_distance;
|
|
}
|
|
|
|
void AudioStreamPlayer2D::set_attenuation(float p_curve) {
|
|
attenuation = p_curve;
|
|
}
|
|
|
|
float AudioStreamPlayer2D::get_attenuation() const {
|
|
return attenuation;
|
|
}
|
|
|
|
void AudioStreamPlayer2D::set_area_mask(uint32_t p_mask) {
|
|
area_mask = p_mask;
|
|
}
|
|
|
|
uint32_t AudioStreamPlayer2D::get_area_mask() const {
|
|
return area_mask;
|
|
}
|
|
|
|
void AudioStreamPlayer2D::set_stream_paused(bool p_pause) {
|
|
// TODO this does not have perfect recall, fix that maybe? If there are zero playbacks registered with the AudioServer, this bool isn't persisted.
|
|
for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
|
|
AudioServer::get_singleton()->set_playback_paused(playback, p_pause);
|
|
}
|
|
}
|
|
|
|
bool AudioStreamPlayer2D::get_stream_paused() const {
|
|
// There's currently no way to pause some playback streams but not others. Check the first and don't bother looking at the rest.
|
|
if (!stream_playbacks.is_empty()) {
|
|
return AudioServer::get_singleton()->is_playback_paused(stream_playbacks[0]);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
Ref<AudioStreamPlayback> AudioStreamPlayer2D::get_stream_playback() {
|
|
if (!stream_playbacks.is_empty()) {
|
|
return stream_playbacks[stream_playbacks.size() - 1];
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
void AudioStreamPlayer2D::set_max_polyphony(int p_max_polyphony) {
|
|
if (p_max_polyphony > 0) {
|
|
max_polyphony = p_max_polyphony;
|
|
}
|
|
}
|
|
|
|
int AudioStreamPlayer2D::get_max_polyphony() const {
|
|
return max_polyphony;
|
|
}
|
|
|
|
void AudioStreamPlayer2D::_bind_methods() {
|
|
ClassDB::bind_method(D_METHOD("set_stream", "stream"), &AudioStreamPlayer2D::set_stream);
|
|
ClassDB::bind_method(D_METHOD("get_stream"), &AudioStreamPlayer2D::get_stream);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_volume_db", "volume_db"), &AudioStreamPlayer2D::set_volume_db);
|
|
ClassDB::bind_method(D_METHOD("get_volume_db"), &AudioStreamPlayer2D::get_volume_db);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_pitch_scale", "pitch_scale"), &AudioStreamPlayer2D::set_pitch_scale);
|
|
ClassDB::bind_method(D_METHOD("get_pitch_scale"), &AudioStreamPlayer2D::get_pitch_scale);
|
|
|
|
ClassDB::bind_method(D_METHOD("play", "from_position"), &AudioStreamPlayer2D::play, DEFVAL(0.0));
|
|
ClassDB::bind_method(D_METHOD("seek", "to_position"), &AudioStreamPlayer2D::seek);
|
|
ClassDB::bind_method(D_METHOD("stop"), &AudioStreamPlayer2D::stop);
|
|
|
|
ClassDB::bind_method(D_METHOD("is_playing"), &AudioStreamPlayer2D::is_playing);
|
|
ClassDB::bind_method(D_METHOD("get_playback_position"), &AudioStreamPlayer2D::get_playback_position);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_bus", "bus"), &AudioStreamPlayer2D::set_bus);
|
|
ClassDB::bind_method(D_METHOD("get_bus"), &AudioStreamPlayer2D::get_bus);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_autoplay", "enable"), &AudioStreamPlayer2D::set_autoplay);
|
|
ClassDB::bind_method(D_METHOD("is_autoplay_enabled"), &AudioStreamPlayer2D::is_autoplay_enabled);
|
|
|
|
ClassDB::bind_method(D_METHOD("_set_playing", "enable"), &AudioStreamPlayer2D::_set_playing);
|
|
ClassDB::bind_method(D_METHOD("_is_active"), &AudioStreamPlayer2D::_is_active);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_max_distance", "pixels"), &AudioStreamPlayer2D::set_max_distance);
|
|
ClassDB::bind_method(D_METHOD("get_max_distance"), &AudioStreamPlayer2D::get_max_distance);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_attenuation", "curve"), &AudioStreamPlayer2D::set_attenuation);
|
|
ClassDB::bind_method(D_METHOD("get_attenuation"), &AudioStreamPlayer2D::get_attenuation);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_area_mask", "mask"), &AudioStreamPlayer2D::set_area_mask);
|
|
ClassDB::bind_method(D_METHOD("get_area_mask"), &AudioStreamPlayer2D::get_area_mask);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_stream_paused", "pause"), &AudioStreamPlayer2D::set_stream_paused);
|
|
ClassDB::bind_method(D_METHOD("get_stream_paused"), &AudioStreamPlayer2D::get_stream_paused);
|
|
|
|
ClassDB::bind_method(D_METHOD("set_max_polyphony", "max_polyphony"), &AudioStreamPlayer2D::set_max_polyphony);
|
|
ClassDB::bind_method(D_METHOD("get_max_polyphony"), &AudioStreamPlayer2D::get_max_polyphony);
|
|
|
|
ClassDB::bind_method(D_METHOD("get_stream_playback"), &AudioStreamPlayer2D::get_stream_playback);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "stream", PROPERTY_HINT_RESOURCE_TYPE, "AudioStream"), "set_stream", "get_stream");
|
|
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "volume_db", PROPERTY_HINT_RANGE, "-80,24"), "set_volume_db", "get_volume_db");
|
|
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "pitch_scale", PROPERTY_HINT_RANGE, "0.01,4,0.01,or_greater"), "set_pitch_scale", "get_pitch_scale");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "playing", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_EDITOR), "_set_playing", "is_playing");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "autoplay"), "set_autoplay", "is_autoplay_enabled");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "stream_paused", PROPERTY_HINT_NONE, ""), "set_stream_paused", "get_stream_paused");
|
|
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "max_distance", PROPERTY_HINT_RANGE, "1,4096,1,or_greater,exp"), "set_max_distance", "get_max_distance");
|
|
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "attenuation", PROPERTY_HINT_EXP_EASING, "attenuation"), "set_attenuation", "get_attenuation");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "max_polyphony", PROPERTY_HINT_NONE, ""), "set_max_polyphony", "get_max_polyphony");
|
|
ADD_PROPERTY(PropertyInfo(Variant::STRING_NAME, "bus", PROPERTY_HINT_ENUM, ""), "set_bus", "get_bus");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "area_mask", PROPERTY_HINT_LAYERS_2D_PHYSICS), "set_area_mask", "get_area_mask");
|
|
|
|
ADD_SIGNAL(MethodInfo("finished"));
|
|
}
|
|
|
|
AudioStreamPlayer2D::AudioStreamPlayer2D() {
|
|
AudioServer::get_singleton()->connect("bus_layout_changed", callable_mp(this, &AudioStreamPlayer2D::_bus_layout_changed));
|
|
}
|
|
|
|
AudioStreamPlayer2D::~AudioStreamPlayer2D() {
|
|
}
|