diff options
Diffstat (limited to 'scene/3d/audio_stream_player_3d.cpp')
-rw-r--r-- | scene/3d/audio_stream_player_3d.cpp | 169 |
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get_mix_count(); + if (!stream_playbacks.is_empty() && active.is_set()) { + // Stop playing if no longer active.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"); |