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/*************************************************************************/
/* audio_stream_player_3d.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 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 AUDIO_STREAM_PLAYER_3D_H
#define AUDIO_STREAM_PLAYER_3D_H
#include "scene/3d/spatial.h"
#include "scene/3d/spatial_velocity_tracker.h"
#include "servers/audio/audio_filter_sw.h"
#include "servers/audio/audio_stream.h"
#include "servers/audio_server.h"
class Camera;
class AudioStreamPlayer3D : public Spatial {
GDCLASS(AudioStreamPlayer3D, Spatial);
public:
enum AttenuationModel {
ATTENUATION_INVERSE_DISTANCE,
ATTENUATION_INVERSE_SQUARE_DISTANCE,
ATTENUATION_LOGARITHMIC,
ATTENUATION_DISABLED,
};
enum OutOfRangeMode {
OUT_OF_RANGE_MIX,
OUT_OF_RANGE_PAUSE,
};
enum DopplerTracking {
DOPPLER_TRACKING_DISABLED,
DOPPLER_TRACKING_IDLE_STEP,
DOPPLER_TRACKING_PHYSICS_STEP
};
private:
enum {
MAX_OUTPUTS = 8,
MAX_INTERSECT_AREAS = 32
};
struct Output {
AudioFilterSW filter;
AudioFilterSW::Processor filter_process[8];
AudioFrame vol[4];
float filter_gain;
float pitch_scale;
int bus_index;
int reverb_bus_index;
AudioFrame reverb_vol[4];
Viewport *viewport; //pointer only used for reference to previous mix
Output() {
filter_gain = 0;
viewport = NULL;
reverb_bus_index = -1;
bus_index = -1;
}
};
Output outputs[MAX_OUTPUTS];
volatile int output_count;
volatile bool output_ready;
//these are used by audio thread to have a reference of previous volumes (for ramping volume and avoiding clicks)
Output prev_outputs[MAX_OUTPUTS];
int prev_output_count;
Ref<AudioStreamPlayback> stream_playback;
Ref<AudioStream> stream;
Vector<AudioFrame> mix_buffer;
volatile float setseek;
volatile bool active;
volatile float setplay;
AttenuationModel attenuation_model;
float unit_db;
float unit_size;
float max_db;
float pitch_scale;
bool autoplay;
bool stream_paused;
bool stream_paused_fade_in;
bool stream_paused_fade_out;
StringName bus;
void _mix_audio();
static void _mix_audios(void *self) { reinterpret_cast<AudioStreamPlayer3D *>(self)->_mix_audio(); }
void _set_playing(bool p_enable);
bool _is_active() const;
void _bus_layout_changed();
uint32_t area_mask;
bool emission_angle_enabled;
float emission_angle;
float emission_angle_filter_attenuation_db;
float attenuation_filter_cutoff_hz;
float attenuation_filter_db;
float max_distance;
Ref<SpatialVelocityTracker> velocity_tracker;
DopplerTracking doppler_tracking;
OutOfRangeMode out_of_range_mode;
float _get_attenuation_db(float p_distance) const;
protected:
void _validate_property(PropertyInfo &property) const;
void _notification(int p_what);
static void _bind_methods();
public:
void set_stream(Ref<AudioStream> p_stream);
Ref<AudioStream> get_stream() const;
void set_unit_db(float p_volume);
float get_unit_db() const;
void set_unit_size(float p_volume);
float get_unit_size() const;
void set_max_db(float p_boost);
float get_max_db() const;
void set_pitch_scale(float p_pitch_scale);
float get_pitch_scale() const;
void play(float p_from_pos = 0.0);
void seek(float p_seconds);
void stop();
bool is_playing() const;
float get_playback_position();
void set_bus(const StringName &p_bus);
StringName get_bus() const;
void set_autoplay(bool p_enable);
bool is_autoplay_enabled();
void set_max_distance(float p_metres);
float get_max_distance() const;
void set_area_mask(uint32_t p_mask);
uint32_t get_area_mask() const;
void set_emission_angle_enabled(bool p_enable);
bool is_emission_angle_enabled() const;
void set_emission_angle(float p_angle);
float get_emission_angle() const;
void set_emission_angle_filter_attenuation_db(float p_angle_attenuation_db);
float get_emission_angle_filter_attenuation_db() const;
void set_attenuation_filter_cutoff_hz(float p_hz);
float get_attenuation_filter_cutoff_hz() const;
void set_attenuation_filter_db(float p_db);
float get_attenuation_filter_db() const;
void set_attenuation_model(AttenuationModel p_model);
AttenuationModel get_attenuation_model() const;
void set_out_of_range_mode(OutOfRangeMode p_mode);
OutOfRangeMode get_out_of_range_mode() const;
void set_doppler_tracking(DopplerTracking p_tracking);
DopplerTracking get_doppler_tracking() const;
void set_stream_paused(bool p_pause);
bool get_stream_paused() const;
Ref<AudioStreamPlayback> get_stream_playback();
AudioStreamPlayer3D();
~AudioStreamPlayer3D();
};
VARIANT_ENUM_CAST(AudioStreamPlayer3D::AttenuationModel)
VARIANT_ENUM_CAST(AudioStreamPlayer3D::OutOfRangeMode)
VARIANT_ENUM_CAST(AudioStreamPlayer3D::DopplerTracking)
#endif // AUDIO_STREAM_PLAYER_3D_H
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