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Diffstat (limited to 'scene/3d/audio_stream_player_3d.cpp')
-rw-r--r--scene/3d/audio_stream_player_3d.cpp169
1 files changed, 102 insertions, 67 deletions
diff --git a/scene/3d/audio_stream_player_3d.cpp b/scene/3d/audio_stream_player_3d.cpp
index 16d5b9da3e..6c7cb6e61a 100644
--- a/scene/3d/audio_stream_player_3d.cpp
+++ b/scene/3d/audio_stream_player_3d.cpp
@@ -31,8 +31,8 @@
#include "audio_stream_player_3d.h"
#include "scene/3d/area_3d.h"
+#include "scene/3d/audio_listener_3d.h"
#include "scene/3d/camera_3d.h"
-#include "scene/3d/listener_3d.h"
#include "scene/main/viewport.h"
// Based on "A Novel Multichannel Panning Method for Standard and Arbitrary Loudspeaker Configurations" by Ramy Sadek and Chris Kyriakakis (2004)
@@ -271,28 +271,45 @@ void AudioStreamPlayer3D::_notification(int p_what) {
if (p_what == NOTIFICATION_INTERNAL_PHYSICS_PROCESS) {
//update anything related to position first, if possible of course
-
- if (!stream_playback.is_valid()) {
- return;
+ Vector<AudioFrame> volume_vector;
+ if (setplay.get() > 0 || (active.is_set() && last_mix_count != AudioServer::get_singleton()->get_mix_count())) {
+ volume_vector = _update_panning();
}
- //start playing if requested
- if (setplay.get() >= 0) {
- Vector<AudioFrame> volume_vector = _update_panning();
- AudioServer::get_singleton()->start_playback_stream(stream_playback, _get_actual_bus(), volume_vector, setplay.get());
+ 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.");
+ Map<StringName, Vector<AudioFrame>> bus_map;
+ bus_map[_get_actual_bus()] = volume_vector;
+ AudioServer::get_singleton()->start_playback_stream(new_playback, bus_map, setplay.get(), linear_attenuation, attenuation_filter_cutoff_hz, actual_pitch_scale);
+ stream_playbacks.push_back(new_playback);
setplay.set(-1);
}
- if (active.is_set() && last_mix_count != AudioServer::get_singleton()->get_mix_count()) {
- _update_panning();
- last_mix_count = AudioServer::get_singleton()->get_mix_count();
+ 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+ // Stop playing if no longer active.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)) {
+ emit_signal(SNAME("finished"));
+ 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);
+ }
}
- // Stop playing if no longer active.
- if (!active.is_set()) {
- set_physics_process_internal(false);
- emit_signal(SNAME("finished"));
+ while (stream_playbacks.size() > max_polyphony) {
+ AudioServer::get_singleton()->stop_playback_stream(stream_playbacks[0]);
+ stream_playbacks.remove(0);
}
}
}
@@ -330,9 +347,6 @@ Area3D *AudioStreamPlayer3D::_get_overriding_area() {
}
StringName AudioStreamPlayer3D::_get_actual_bus() {
- if (!stream_playback.is_valid()) {
- return SNAME("Master");
- }
Area3D *overriding_area = _get_overriding_area();
if (overriding_area && overriding_area->is_overriding_audio_bus() && !overriding_area->is_using_reverb_bus()) {
return overriding_area->get_audio_bus_name();
@@ -347,7 +361,9 @@ Vector<AudioFrame> AudioStreamPlayer3D::_update_panning() {
frame = AudioFrame(0, 0);
}
- ERR_FAIL_COND_V(stream_playback.is_null(), output_volume_vector);
+ if (!active.is_set() || stream.is_null()) {
+ return output_volume_vector;
+ }
Vector3 linear_velocity;
@@ -375,7 +391,7 @@ Vector<AudioFrame> AudioStreamPlayer3D::_update_panning() {
bool listener_is_camera = true;
Node3D *listener_node = camera;
- Listener3D *listener = vp->get_listener_3d();
+ AudioListener3D *listener = vp->get_audio_listener_3d();
if (listener) {
listener_node = listener;
listener_is_camera = false;
@@ -422,7 +438,10 @@ Vector<AudioFrame> AudioStreamPlayer3D::_update_panning() {
}
}
- AudioServer::get_singleton()->set_playback_highshelf_params(stream_playback, Math::db2linear(db_att), attenuation_filter_cutoff_hz);
+ linear_attenuation = Math::db2linear(db_att);
+ for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
+ AudioServer::get_singleton()->set_playback_highshelf_params(playback, linear_attenuation, attenuation_filter_cutoff_hz);
+ }
//TODO: The lower the second parameter (tightness) the more the sound will "enclose" the listener (more undirected / playing from
// speakers not facing the source) - this could be made distance dependent.
_calc_output_vol(local_pos.normalized(), 4.0, output_volume_vector);
@@ -447,7 +466,10 @@ Vector<AudioFrame> AudioStreamPlayer3D::_update_panning() {
} else {
bus_volumes[bus] = output_volume_vector;
}
- AudioServer::get_singleton()->set_playback_bus_volumes_linear(stream_playback, bus_volumes);
+
+ for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
+ AudioServer::get_singleton()->set_playback_bus_volumes_linear(playback, bus_volumes);
+ }
if (doppler_tracking != DOPPLER_TRACKING_DISABLED) {
Vector3 listener_velocity;
@@ -458,9 +480,7 @@ Vector<AudioFrame> AudioStreamPlayer3D::_update_panning() {
Vector3 local_velocity = listener_node->get_global_transform().orthonormalized().basis.xform_inv(linear_velocity - listener_velocity);
- if (local_velocity == Vector3()) {
- AudioServer::get_singleton()->set_playback_pitch_scale(stream_playback, pitch_scale);
- } else {
+ if (local_velocity != Vector3()) {
float approaching = local_pos.normalized().dot(local_velocity.normalized());
float velocity = local_velocity.length();
float speed_of_sound = 343.0;
@@ -468,34 +488,23 @@ Vector<AudioFrame> AudioStreamPlayer3D::_update_panning() {
float doppler_pitch_scale = pitch_scale * speed_of_sound / (speed_of_sound + velocity * approaching);
doppler_pitch_scale = CLAMP(doppler_pitch_scale, (1 / 8.0), 8.0); //avoid crazy stuff
- AudioServer::get_singleton()->set_playback_pitch_scale(stream_playback, doppler_pitch_scale);
+ actual_pitch_scale = doppler_pitch_scale;
+ } else {
+ actual_pitch_scale = pitch_scale;
}
} else {
- AudioServer::get_singleton()->set_playback_pitch_scale(stream_playback, pitch_scale);
+ actual_pitch_scale = pitch_scale;
+ }
+ for (Ref<AudioStreamPlayback> &playback : stream_playbacks) {
+ AudioServer::get_singleton()->set_playback_pitch_scale(playback, actual_pitch_scale);
}
}
return output_volume_vector;
}
void AudioStreamPlayer3D::set_stream(Ref<AudioStream> p_stream) {
- if (stream_playback.is_valid()) {
- stop();
- stream_playback.unref();
- stream.unref();
- }
-
- if (p_stream.is_valid()) {
- stream_playback = p_stream->instance_playback();
- if (stream_playback.is_valid()) {
- stream = p_stream;
- } else {
- stream.unref();
- }
- }
-
- if (p_stream.is_valid() && stream_playback.is_null()) {
- stream.unref();
- }
+ stop();
+ stream = p_stream;
}
Ref<AudioStream> AudioStreamPlayer3D::get_stream() const {
@@ -536,40 +545,47 @@ float AudioStreamPlayer3D::get_pitch_scale() const {
}
void AudioStreamPlayer3D::play(float p_from_pos) {
- if (stream_playback.is_valid()) {
- setplay.set(p_from_pos);
- set_physics_process_internal(true);
+ 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 AudioStreamPlayer3D::seek(float p_seconds) {
- if (stream_playback.is_valid() && active.is_set()) {
- play(p_seconds);
- }
+ stop();
+ play(p_seconds);
}
void AudioStreamPlayer3D::stop() {
- if (stream_playback.is_valid()) {
- active.clear();
- AudioServer::get_singleton()->stop_playback_stream(stream_playback);
- set_physics_process_internal(false);
- setplay.set(-1);
+ 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 AudioStreamPlayer3D::is_playing() const {
- if (stream_playback.is_valid()) {
- return active.is_set() || setplay.get() >= 0;
+ for (const Ref<AudioStreamPlayback> &playback : stream_playbacks) {
+ if (AudioServer::get_singleton()->is_playback_active(playback)) {
+ return true;
+ }
}
-
return false;
}
float AudioStreamPlayer3D::get_playback_position() {
- if (stream_playback.is_valid()) {
- return AudioServer::get_singleton()->get_playback_position(stream_playback);
+ // 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;
}
@@ -729,20 +745,35 @@ AudioStreamPlayer3D::DopplerTracking AudioStreamPlayer3D::get_doppler_tracking()
}
void AudioStreamPlayer3D::set_stream_paused(bool p_pause) {
- if (stream_playback.is_valid()) {
- AudioServer::get_singleton()->set_playback_paused(stream_playback, 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 AudioStreamPlayer3D::get_stream_paused() const {
- if (stream_playback.is_valid()) {
- return AudioServer::get_singleton()->is_playback_paused(stream_playback);
+ // 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> AudioStreamPlayer3D::get_stream_playback() {
- return stream_playback;
+ if (!stream_playbacks.is_empty()) {
+ return stream_playbacks[stream_playbacks.size() - 1];
+ }
+ return nullptr;
+}
+
+void AudioStreamPlayer3D::set_max_polyphony(int p_max_polyphony) {
+ if (p_max_polyphony > 0) {
+ max_polyphony = p_max_polyphony;
+ }
+}
+
+int AudioStreamPlayer3D::get_max_polyphony() const {
+ return max_polyphony;
}
void AudioStreamPlayer3D::_bind_methods() {
@@ -810,6 +841,9 @@ void AudioStreamPlayer3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_stream_paused", "pause"), &AudioStreamPlayer3D::set_stream_paused);
ClassDB::bind_method(D_METHOD("get_stream_paused"), &AudioStreamPlayer3D::get_stream_paused);
+ ClassDB::bind_method(D_METHOD("set_max_polyphony", "max_polyphony"), &AudioStreamPlayer3D::set_max_polyphony);
+ ClassDB::bind_method(D_METHOD("get_max_polyphony"), &AudioStreamPlayer3D::get_max_polyphony);
+
ClassDB::bind_method(D_METHOD("get_stream_playback"), &AudioStreamPlayer3D::get_stream_playback);
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "stream", PROPERTY_HINT_RESOURCE_TYPE, "AudioStream"), "set_stream", "get_stream");
@@ -823,6 +857,7 @@ void AudioStreamPlayer3D::_bind_methods() {
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, "0,4096,1,or_greater,exp"), "set_max_distance", "get_max_distance");
ADD_PROPERTY(PropertyInfo(Variant::INT, "out_of_range_mode", PROPERTY_HINT_ENUM, "Mix,Pause"), "set_out_of_range_mode", "get_out_of_range_mode");
+ 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_GROUP("Emission Angle", "emission_angle");