203 lines
6.8 KiB
C++
203 lines
6.8 KiB
C++
/**************************************************************************/
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/* audio_stream_player_3d.h */
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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) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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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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#ifndef AUDIO_STREAM_PLAYER_3D_H
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#define AUDIO_STREAM_PLAYER_3D_H
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#include "core/os/mutex.h"
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#include "scene/3d/area_3d.h"
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#include "scene/3d/node_3d.h"
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#include "scene/3d/velocity_tracker_3d.h"
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#include "servers/audio/audio_filter_sw.h"
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#include "servers/audio/audio_stream.h"
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#include "servers/audio_server.h"
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class Camera3D;
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class AudioStreamPlayer3D : public Node3D {
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GDCLASS(AudioStreamPlayer3D, Node3D);
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public:
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enum AttenuationModel {
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ATTENUATION_INVERSE_DISTANCE,
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ATTENUATION_INVERSE_SQUARE_DISTANCE,
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ATTENUATION_LOGARITHMIC,
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ATTENUATION_DISABLED,
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};
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enum DopplerTracking {
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DOPPLER_TRACKING_DISABLED,
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DOPPLER_TRACKING_IDLE_STEP,
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DOPPLER_TRACKING_PHYSICS_STEP
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};
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private:
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enum {
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MAX_OUTPUTS = 8,
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MAX_INTERSECT_AREAS = 32
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};
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Vector<Ref<AudioStreamPlayback>> stream_playbacks;
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Ref<AudioStream> stream;
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SafeFlag active{ false };
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SafeNumeric<float> setplay{ -1.0 };
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Ref<AudioStreamPlayback> setplayback;
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AttenuationModel attenuation_model = ATTENUATION_INVERSE_DISTANCE;
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float volume_db = 0.0;
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float unit_size = 10.0;
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float max_db = 3.0;
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float pitch_scale = 1.0;
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// Internally used to take doppler tracking into account.
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float actual_pitch_scale = 1.0;
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bool autoplay = false;
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StringName bus = SNAME("Master");
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int max_polyphony = 1;
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uint64_t last_mix_count = -1;
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bool force_update_panning = false;
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static void _calc_output_vol(const Vector3 &source_dir, real_t tightness, Vector<AudioFrame> &output);
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void _calc_reverb_vol(Area3D *area, Vector3 listener_area_pos, Vector<AudioFrame> direct_path_vol, Vector<AudioFrame> &reverb_vol);
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static void _listener_changed_cb(void *self) { reinterpret_cast<AudioStreamPlayer3D *>(self)->force_update_panning = true; }
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void _set_playing(bool p_enable);
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bool _is_active() const;
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StringName _get_actual_bus();
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Area3D *_get_overriding_area();
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Vector<AudioFrame> _update_panning();
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void _on_bus_layout_changed();
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void _on_bus_renamed(int p_bus_index, const StringName &p_old_name, const StringName &p_new_name);
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uint32_t area_mask = 1;
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bool emission_angle_enabled = false;
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float emission_angle = 45.0;
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float emission_angle_filter_attenuation_db = -12.0;
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float attenuation_filter_cutoff_hz = 5000.0;
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float attenuation_filter_db = -24.0;
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float linear_attenuation = 0;
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float max_distance = 0.0;
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Ref<VelocityTracker3D> velocity_tracker;
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DopplerTracking doppler_tracking = DOPPLER_TRACKING_DISABLED;
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float _get_attenuation_db(float p_distance) const;
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float panning_strength = 1.0f;
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float cached_global_panning_strength = 0.5f;
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protected:
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void _validate_property(PropertyInfo &p_property) const;
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void _notification(int p_what);
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static void _bind_methods();
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public:
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void set_stream(Ref<AudioStream> p_stream);
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Ref<AudioStream> get_stream() const;
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void set_volume_db(float p_volume);
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float get_volume_db() const;
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void set_unit_size(float p_volume);
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float get_unit_size() const;
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void set_max_db(float p_boost);
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float get_max_db() const;
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void set_pitch_scale(float p_pitch_scale);
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float get_pitch_scale() const;
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void play(float p_from_pos = 0.0);
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void seek(float p_seconds);
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void stop();
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bool is_playing() const;
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float get_playback_position();
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void set_bus(const StringName &p_bus);
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StringName get_bus() const;
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void set_max_polyphony(int p_max_polyphony);
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int get_max_polyphony() const;
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void set_autoplay(bool p_enable);
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bool is_autoplay_enabled();
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void set_max_distance(float p_metres);
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float get_max_distance() const;
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void set_area_mask(uint32_t p_mask);
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uint32_t get_area_mask() const;
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void set_emission_angle_enabled(bool p_enable);
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bool is_emission_angle_enabled() const;
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void set_emission_angle(float p_angle);
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float get_emission_angle() const;
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void set_emission_angle_filter_attenuation_db(float p_angle_attenuation_db);
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float get_emission_angle_filter_attenuation_db() const;
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void set_attenuation_filter_cutoff_hz(float p_hz);
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float get_attenuation_filter_cutoff_hz() const;
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void set_attenuation_filter_db(float p_db);
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float get_attenuation_filter_db() const;
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void set_attenuation_model(AttenuationModel p_model);
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AttenuationModel get_attenuation_model() const;
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void set_doppler_tracking(DopplerTracking p_tracking);
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DopplerTracking get_doppler_tracking() const;
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void set_stream_paused(bool p_pause);
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bool get_stream_paused() const;
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void set_panning_strength(float p_panning_strength);
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float get_panning_strength() const;
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bool has_stream_playback();
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Ref<AudioStreamPlayback> get_stream_playback();
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AudioStreamPlayer3D();
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~AudioStreamPlayer3D();
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};
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VARIANT_ENUM_CAST(AudioStreamPlayer3D::AttenuationModel)
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VARIANT_ENUM_CAST(AudioStreamPlayer3D::DopplerTracking)
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#endif // AUDIO_STREAM_PLAYER_3D_H
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