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godot/scene/3d/audio_stream_player_3d.cpp

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/**************************************************************************/
/* audio_stream_player_3d.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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_3d.h"
#include "audio_stream_player_3d.compat.inc"
#include "core/config/project_settings.h"
#include "scene/3d/audio_listener_3d.h"
#include "scene/3d/camera_3d.h"
#include "scene/3d/physics/area_3d.h"
#include "scene/3d/velocity_tracker_3d.h"
#include "scene/audio/audio_stream_player_internal.h"
#include "scene/main/viewport.h"
#include "servers/audio/audio_stream.h"
// Based on "A Novel Multichannel Panning Method for Standard and Arbitrary Loudspeaker Configurations" by Ramy Sadek and Chris Kyriakakis (2004)
// Speaker-Placement Correction Amplitude Panning (SPCAP)
class Spcap {
private:
struct Speaker {
Vector3 direction;
real_t effective_number_of_speakers = 0; // precalculated
mutable real_t squared_gain = 0; // temporary
};
Vector<Speaker> speakers;
public:
Spcap(unsigned int speaker_count, const Vector3 *speaker_directions) {
speakers.resize(speaker_count);
Speaker *w = speakers.ptrw();
for (unsigned int speaker_num = 0; speaker_num < speaker_count; speaker_num++) {
w[speaker_num].direction = speaker_directions[speaker_num];
w[speaker_num].squared_gain = 0.0;
w[speaker_num].effective_number_of_speakers = 0.0;
for (unsigned int other_speaker_num = 0; other_speaker_num < speaker_count; other_speaker_num++) {
w[speaker_num].effective_number_of_speakers += 0.5 * (1.0 + w[speaker_num].direction.dot(w[other_speaker_num].direction));
}
}
}
unsigned int get_speaker_count() const {
return (unsigned int)speakers.size();
}
Vector3 get_speaker_direction(unsigned int index) const {
return speakers.ptr()[index].direction;
}
void calculate(const Vector3 &source_direction, real_t tightness, unsigned int volume_count, real_t *volumes) const {
const Speaker *r = speakers.ptr();
real_t sum_squared_gains = 0.0;
for (unsigned int speaker_num = 0; speaker_num < (unsigned int)speakers.size(); speaker_num++) {
real_t initial_gain = 0.5 * powf(1.0 + r[speaker_num].direction.dot(source_direction), tightness) / r[speaker_num].effective_number_of_speakers;
r[speaker_num].squared_gain = initial_gain * initial_gain;
sum_squared_gains += r[speaker_num].squared_gain;
}
for (unsigned int speaker_num = 0; speaker_num < MIN(volume_count, (unsigned int)speakers.size()); speaker_num++) {
volumes[speaker_num] = sqrtf(r[speaker_num].squared_gain / sum_squared_gains);
}
}
};
//TODO: hardcoded main speaker directions for 2, 3.1, 5.1 and 7.1 setups - these are simplified and could also be made configurable
static const Vector3 speaker_directions[7] = {
Vector3(-1.0, 0.0, -1.0).normalized(), // front-left
Vector3(1.0, 0.0, -1.0).normalized(), // front-right
Vector3(0.0, 0.0, -1.0).normalized(), // center
Vector3(-1.0, 0.0, 1.0).normalized(), // rear-left
Vector3(1.0, 0.0, 1.0).normalized(), // rear-right
Vector3(-1.0, 0.0, 0.0).normalized(), // side-left
Vector3(1.0, 0.0, 0.0).normalized(), // side-right
};
void AudioStreamPlayer3D::_calc_output_vol(const Vector3 &source_dir, real_t tightness, Vector<AudioFrame> &output) {
unsigned int speaker_count = 0; // only main speakers (no LFE)
switch (AudioServer::get_singleton()->get_speaker_mode()) {
case AudioServer::SPEAKER_MODE_STEREO:
speaker_count = 2;
break;
case AudioServer::SPEAKER_SURROUND_31:
speaker_count = 3;
break;
case AudioServer::SPEAKER_SURROUND_51:
speaker_count = 5;
break;
case AudioServer::SPEAKER_SURROUND_71:
speaker_count = 7;
break;
}
Spcap spcap(speaker_count, speaker_directions); //TODO: should only be created/recreated once the speaker mode / speaker positions changes
real_t volumes[7];
spcap.calculate(source_dir, tightness, speaker_count, volumes);
switch (AudioServer::get_singleton()->get_speaker_mode()) {
case AudioServer::SPEAKER_SURROUND_71:
output.write[3].left = volumes[5]; // side-left
output.write[3].right = volumes[6]; // side-right
[[fallthrough]];
case AudioServer::SPEAKER_SURROUND_51:
output.write[2].left = volumes[3]; // rear-left
output.write[2].right = volumes[4]; // rear-right
[[fallthrough]];
case AudioServer::SPEAKER_SURROUND_31:
output.write[1].right = 1.0; // LFE - always full power
output.write[1].left = volumes[2]; // center
[[fallthrough]];
case AudioServer::SPEAKER_MODE_STEREO:
output.write[0].right = volumes[1]; // front-right
output.write[0].left = volumes[0]; // front-left
break;
}
}
void AudioStreamPlayer3D::_calc_reverb_vol(Area3D *area, Vector3 listener_area_pos, Vector<AudioFrame> direct_path_vol, Vector<AudioFrame> &reverb_vol) {
reverb_vol.resize(4);
reverb_vol.write[0] = AudioFrame(0, 0);
reverb_vol.write[1] = AudioFrame(0, 0);
reverb_vol.write[2] = AudioFrame(0, 0);
reverb_vol.write[3] = AudioFrame(0, 0);
float uniformity = area->get_reverb_uniformity();
float area_send = area->get_reverb_amount();
if (uniformity > 0.0) {
float distance = listener_area_pos.length();
float attenuation = Math::db_to_linear(_get_attenuation_db(distance));
// Determine the fraction of sound that would come from each speaker if they were all driven uniformly.
float center_val[3] = { 0.5f, 0.25f, 0.16666f };
int channel_count = AudioServer::get_singleton()->get_channel_count();
AudioFrame center_frame(center_val[channel_count - 1], center_val[channel_count - 1]);
if (attenuation < 1.0) {
//pan the uniform sound
Vector3 rev_pos = listener_area_pos;
rev_pos.y = 0;
rev_pos.normalize();
// Stereo pair.
float c = rev_pos.x * 0.5 + 0.5;
reverb_vol.write[0].left = 1.0 - c;
reverb_vol.write[0].right = c;
if (channel_count >= 3) {
// Center pair + Side pair
float xl = Vector3(-1, 0, -1).normalized().dot(rev_pos) * 0.5 + 0.5;
float xr = Vector3(1, 0, -1).normalized().dot(rev_pos) * 0.5 + 0.5;
reverb_vol.write[1].left = xl;
reverb_vol.write[1].right = xr;
reverb_vol.write[2].left = 1.0 - xr;
reverb_vol.write[2].right = 1.0 - xl;
}
if (channel_count >= 4) {
// Rear pair
// FIXME: Not sure what math should be done here
reverb_vol.write[3].left = 1.0 - c;
reverb_vol.write[3].right = c;
}
for (int i = 0; i < channel_count; i++) {
reverb_vol.write[i] = reverb_vol[i].lerp(center_frame, attenuation);
}
} else {
for (int i = 0; i < channel_count; i++) {
reverb_vol.write[i] = center_frame;
}
}
for (int i = 0; i < channel_count; i++) {
reverb_vol.write[i] = direct_path_vol[i].lerp(reverb_vol[i] * attenuation, uniformity);
reverb_vol.write[i] *= area_send;
}
} else {
for (int i = 0; i < 4; i++) {
reverb_vol.write[i] = direct_path_vol[i] * area_send;
}
}
}
float AudioStreamPlayer3D::_get_attenuation_db(float p_distance) const {
float att = 0;
switch (attenuation_model) {
case ATTENUATION_INVERSE_DISTANCE: {
att = Math::linear_to_db(1.0 / ((p_distance / unit_size) + CMP_EPSILON));
} break;
case ATTENUATION_INVERSE_SQUARE_DISTANCE: {
float d = (p_distance / unit_size);
d *= d;
att = Math::linear_to_db(1.0 / (d + CMP_EPSILON));
} break;
case ATTENUATION_LOGARITHMIC: {
att = -20 * Math::log(p_distance / unit_size + CMP_EPSILON);
} break;
case ATTENUATION_DISABLED:
break;
default: {
ERR_PRINT("Unknown attenuation type");
break;
}
}
att += internal->volume_db;
if (att > max_db) {
att = max_db;
}
return att;
}
void AudioStreamPlayer3D::_notification(int p_what) {
internal->notification(p_what);
switch (p_what) {
case NOTIFICATION_ENTER_TREE: {
velocity_tracker->reset(get_global_transform().origin);
AudioServer::get_singleton()->add_listener_changed_callback(_listener_changed_cb, this);
} break;
case NOTIFICATION_EXIT_TREE: {
AudioServer::get_singleton()->remove_listener_changed_callback(_listener_changed_cb, this);
} break;
case NOTIFICATION_TRANSFORM_CHANGED: {
if (doppler_tracking != DOPPLER_TRACKING_DISABLED) {
velocity_tracker->update_position(get_global_transform().origin);
}
} break;
case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {
// Update anything related to position first, if possible of course.
Vector<AudioFrame> volume_vector;
if (setplay.get() > 0 || (internal->active.is_set() && last_mix_count != AudioServer::get_singleton()->get_mix_count()) || force_update_panning) {
force_update_panning = false;
volume_vector = _update_panning();
}
if (setplayback.is_valid() && setplay.get() >= 0) {
internal->active.set();
HashMap<StringName, Vector<AudioFrame>> bus_map;
bus_map[_get_actual_bus()] = volume_vector;
AudioServer::get_singleton()->start_playback_stream(setplayback, bus_map, setplay.get(), actual_pitch_scale, linear_attenuation, attenuation_filter_cutoff_hz);
setplayback.unref();
setplay.set(-1);
}
if (!internal->stream_playbacks.is_empty() && internal->active.is_set()) {
internal->process();
}
internal->ensure_playback_limit();
} break;
}
}
// Interacts with PhysicsServer3D, so can only be called during _physics_process
Area3D *AudioStreamPlayer3D::_get_overriding_area() {
//check if any area is diverting sound into a bus
Ref<World3D> world_3d = get_world_3d();
ERR_FAIL_COND_V(world_3d.is_null(), nullptr);
Vector3 global_pos = get_global_transform().origin;
PhysicsDirectSpaceState3D *space_state = PhysicsServer3D::get_singleton()->space_get_direct_state(world_3d->get_space());
PhysicsDirectSpaceState3D::ShapeResult sr[MAX_INTERSECT_AREAS];
PhysicsDirectSpaceState3D::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++) {
if (!sr[i].collider) {
continue;
}
Area3D *tarea = Object::cast_to<Area3D>(sr[i].collider);
if (!tarea) {
continue;
}
if (!tarea->is_overriding_audio_bus() && !tarea->is_using_reverb_bus()) {
continue;
}
return tarea;
}
return nullptr;
}
// Interacts with PhysicsServer3D, so can only be called during _physics_process.
StringName AudioStreamPlayer3D::_get_actual_bus() {
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();
}
return internal->bus;
}
// Interacts with PhysicsServer3D, so can only be called during _physics_process.
Vector<AudioFrame> AudioStreamPlayer3D::_update_panning() {
Vector<AudioFrame> output_volume_vector;
output_volume_vector.resize(4);
for (AudioFrame &frame : output_volume_vector) {
frame = AudioFrame(0, 0);
}
if (!internal->active.is_set() || internal->stream.is_null()) {
return output_volume_vector;
}
Vector3 linear_velocity;
//compute linear velocity for doppler
if (doppler_tracking != DOPPLER_TRACKING_DISABLED) {
linear_velocity = velocity_tracker->get_tracked_linear_velocity();
}
Vector3 global_pos = get_global_transform().origin;
Ref<World3D> world_3d = get_world_3d();
ERR_FAIL_COND_V(world_3d.is_null(), output_volume_vector);
HashSet<Camera3D *> cameras = world_3d->get_cameras();
cameras.insert(get_viewport()->get_camera_3d());
PhysicsDirectSpaceState3D *space_state = PhysicsServer3D::get_singleton()->space_get_direct_state(world_3d->get_space());
for (Camera3D *camera : cameras) {
if (!camera) {
continue;
}
Viewport *vp = camera->get_viewport();
if (!vp) {
continue;
}
if (!vp->is_audio_listener_3d()) {
continue;
}
bool listener_is_camera = true;
Node3D *listener_node = camera;
AudioListener3D *listener = vp->get_audio_listener_3d();
if (listener) {
listener_node = listener;
listener_is_camera = false;
}
Vector3 local_pos = listener_node->get_global_transform().orthonormalized().affine_inverse().xform(global_pos);
float dist = local_pos.length();
Vector3 area_sound_pos;
Vector3 listener_area_pos;
Area3D *area = _get_overriding_area();
if (area && area->is_using_reverb_bus() && area->get_reverb_uniformity() > 0) {
area_sound_pos = space_state->get_closest_point_to_object_volume(area->get_rid(), listener_node->get_global_transform().origin);
listener_area_pos = listener_node->get_global_transform().affine_inverse().xform(area_sound_pos);
}
if (max_distance > 0) {
float total_max = max_distance;
if (area && area->is_using_reverb_bus() && area->get_reverb_uniformity() > 0) {
total_max = MAX(total_max, listener_area_pos.length());
}
if (dist > total_max || total_max > max_distance) {
if (!was_further_than_max_distance_last_frame) {
HashMap<StringName, Vector<AudioFrame>> bus_volumes;
for (Ref<AudioStreamPlayback> &playback : internal->stream_playbacks) {
// So the player gets muted and mostly stops mixing when out of range.
AudioServer::get_singleton()->set_playback_bus_volumes_linear(playback, bus_volumes);
}
was_further_than_max_distance_last_frame = true; // Cache so we don't set the volume over and over.
}
continue; //can't hear this sound in this listener
}
}
was_further_than_max_distance_last_frame = false;
float multiplier = Math::db_to_linear(_get_attenuation_db(dist));
if (max_distance > 0) {
multiplier *= MAX(0, 1.0 - (dist / max_distance));
}
float db_att = (1.0 - MIN(1.0, multiplier)) * attenuation_filter_db;
if (emission_angle_enabled) {
Vector3 listenertopos = global_pos - listener_node->get_global_transform().origin;
float c = listenertopos.normalized().dot(get_global_transform().basis.get_column(2).normalized()); //it's z negative
float angle = Math::rad_to_deg(Math::acos(c));
if (angle > emission_angle) {
db_att -= -emission_angle_filter_attenuation_db;
}
}
linear_attenuation = Math::db_to_linear(db_att);
for (Ref<AudioStreamPlayback> &playback : internal->stream_playbacks) {
AudioServer::get_singleton()->set_playback_highshelf_params(playback, linear_attenuation, attenuation_filter_cutoff_hz);
}
// Bake in a constant factor here to allow the project setting defaults for 2d and 3d to be normalized to 1.0.
float tightness = cached_global_panning_strength * 2.0f;
tightness *= panning_strength;
_calc_output_vol(local_pos.normalized(), tightness, output_volume_vector);
for (unsigned int k = 0; k < 4; k++) {
output_volume_vector.write[k] = multiplier * output_volume_vector[k];
}
HashMap<StringName, Vector<AudioFrame>> bus_volumes;
if (area) {
if (area->is_overriding_audio_bus()) {
//override audio bus
bus_volumes[area->get_audio_bus_name()] = output_volume_vector;
}
if (area->is_using_reverb_bus()) {
StringName reverb_bus_name = area->get_reverb_bus_name();
Vector<AudioFrame> reverb_vol;
_calc_reverb_vol(area, listener_area_pos, output_volume_vector, reverb_vol);
bus_volumes[reverb_bus_name] = reverb_vol;
}
} else {
bus_volumes[internal->bus] = output_volume_vector;
}
for (Ref<AudioStreamPlayback> &playback : internal->stream_playbacks) {
AudioServer::get_singleton()->set_playback_bus_volumes_linear(playback, bus_volumes);
}
if (doppler_tracking != DOPPLER_TRACKING_DISABLED) {
Vector3 listener_velocity;
if (listener_is_camera) {
listener_velocity = camera->get_doppler_tracked_velocity();
}
Vector3 local_velocity = listener_node->get_global_transform().orthonormalized().basis.xform_inv(linear_velocity - listener_velocity);
if (local_velocity != Vector3()) {
float approaching = local_pos.normalized().dot(local_velocity.normalized());
float velocity = local_velocity.length();
float speed_of_sound = 343.0;
float doppler_pitch_scale = internal->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
actual_pitch_scale = doppler_pitch_scale;
} else {
actual_pitch_scale = internal->pitch_scale;
}
} else {
actual_pitch_scale = internal->pitch_scale;
}
for (Ref<AudioStreamPlayback> &playback : internal->stream_playbacks) {
AudioServer::get_singleton()->set_playback_pitch_scale(playback, actual_pitch_scale);
if (playback->get_is_sample()) {
Ref<AudioSamplePlayback> sample_playback = playback->get_sample_playback();
if (sample_playback.is_valid()) {
AudioServer::get_singleton()->update_sample_playback_pitch_scale(sample_playback, actual_pitch_scale);
}
}
}
}
return output_volume_vector;
}
void AudioStreamPlayer3D::set_stream(Ref<AudioStream> p_stream) {
internal->set_stream(p_stream);
}
Ref<AudioStream> AudioStreamPlayer3D::get_stream() const {
return internal->stream;
}
void AudioStreamPlayer3D::set_volume_db(float p_volume) {
ERR_FAIL_COND_MSG(Math::is_nan(p_volume), "Volume can't be set to NaN.");
internal->volume_db = p_volume;
}
float AudioStreamPlayer3D::get_volume_db() const {
return internal->volume_db;
}
void AudioStreamPlayer3D::set_unit_size(float p_volume) {
unit_size = p_volume;
update_gizmos();
}
float AudioStreamPlayer3D::get_unit_size() const {
return unit_size;
}
void AudioStreamPlayer3D::set_max_db(float p_boost) {
max_db = p_boost;
}
float AudioStreamPlayer3D::get_max_db() const {
return max_db;
}
void AudioStreamPlayer3D::set_pitch_scale(float p_pitch_scale) {
internal->set_pitch_scale(p_pitch_scale);
}
float AudioStreamPlayer3D::get_pitch_scale() const {
return internal->pitch_scale;
}
void AudioStreamPlayer3D::play(float p_from_pos) {
Ref<AudioStreamPlayback> stream_playback = internal->play_basic();
if (stream_playback.is_null()) {
return;
}
setplayback = stream_playback;
setplay.set(p_from_pos);
// Sample handling.
if (stream_playback->get_is_sample()) {
Ref<AudioSamplePlayback> sample_playback = stream_playback->get_sample_playback();
sample_playback->offset = p_from_pos;
sample_playback->bus = _get_actual_bus();
AudioServer::get_singleton()->start_sample_playback(sample_playback);
}
}
void AudioStreamPlayer3D::seek(float p_seconds) {
if (is_playing()) {
stop();
play(p_seconds);
}
}
void AudioStreamPlayer3D::stop() {
setplay.set(-1);
internal->stop_basic();
}
bool AudioStreamPlayer3D::is_playing() const {
if (setplay.get() >= 0) {
return true; // play() has been called this frame, but no playback exists just yet.
}
return internal->is_playing();
}
float AudioStreamPlayer3D::get_playback_position() {
return internal->get_playback_position();
}
void AudioStreamPlayer3D::set_bus(const StringName &p_bus) {
internal->bus = p_bus; // This will be pushed to the audio server during the next physics timestep, which is fast enough.
}
StringName AudioStreamPlayer3D::get_bus() const {
return internal->get_bus();
}
void AudioStreamPlayer3D::set_autoplay(bool p_enable) {
internal->autoplay = p_enable;
}
bool AudioStreamPlayer3D::is_autoplay_enabled() const {
return internal->autoplay;
}
void AudioStreamPlayer3D::_set_playing(bool p_enable) {
internal->set_playing(p_enable);
}
void AudioStreamPlayer3D::_validate_property(PropertyInfo &p_property) const {
internal->validate_property(p_property);
}
void AudioStreamPlayer3D::set_max_distance(float p_metres) {
ERR_FAIL_COND(p_metres < 0.0);
max_distance = p_metres;
update_gizmos();
}
float AudioStreamPlayer3D::get_max_distance() const {
return max_distance;
}
void AudioStreamPlayer3D::set_area_mask(uint32_t p_mask) {
area_mask = p_mask;
}
uint32_t AudioStreamPlayer3D::get_area_mask() const {
return area_mask;
}
void AudioStreamPlayer3D::set_emission_angle_enabled(bool p_enable) {
emission_angle_enabled = p_enable;
update_gizmos();
}
bool AudioStreamPlayer3D::is_emission_angle_enabled() const {
return emission_angle_enabled;
}
void AudioStreamPlayer3D::set_emission_angle(float p_angle) {
ERR_FAIL_COND(p_angle < 0 || p_angle > 90);
emission_angle = p_angle;
update_gizmos();
}
float AudioStreamPlayer3D::get_emission_angle() const {
return emission_angle;
}
void AudioStreamPlayer3D::set_emission_angle_filter_attenuation_db(float p_angle_attenuation_db) {
emission_angle_filter_attenuation_db = p_angle_attenuation_db;
}
float AudioStreamPlayer3D::get_emission_angle_filter_attenuation_db() const {
return emission_angle_filter_attenuation_db;
}
void AudioStreamPlayer3D::set_attenuation_filter_cutoff_hz(float p_hz) {
attenuation_filter_cutoff_hz = p_hz;
}
float AudioStreamPlayer3D::get_attenuation_filter_cutoff_hz() const {
return attenuation_filter_cutoff_hz;
}
void AudioStreamPlayer3D::set_attenuation_filter_db(float p_db) {
attenuation_filter_db = p_db;
}
float AudioStreamPlayer3D::get_attenuation_filter_db() const {
return attenuation_filter_db;
}
void AudioStreamPlayer3D::set_attenuation_model(AttenuationModel p_model) {
ERR_FAIL_INDEX((int)p_model, 4);
attenuation_model = p_model;
update_gizmos();
}
AudioStreamPlayer3D::AttenuationModel AudioStreamPlayer3D::get_attenuation_model() const {
return attenuation_model;
}
void AudioStreamPlayer3D::set_doppler_tracking(DopplerTracking p_tracking) {
if (doppler_tracking == p_tracking) {
return;
}
doppler_tracking = p_tracking;
if (doppler_tracking != DOPPLER_TRACKING_DISABLED) {
set_notify_transform(true);
velocity_tracker->set_track_physics_step(doppler_tracking == DOPPLER_TRACKING_PHYSICS_STEP);
if (is_inside_tree()) {
velocity_tracker->reset(get_global_transform().origin);
}
} else {
set_notify_transform(false);
}
}
AudioStreamPlayer3D::DopplerTracking AudioStreamPlayer3D::get_doppler_tracking() const {
return doppler_tracking;
}
void AudioStreamPlayer3D::set_stream_paused(bool p_pause) {
internal->set_stream_paused(p_pause);
}
bool AudioStreamPlayer3D::get_stream_paused() const {
return internal->get_stream_paused();
}
bool AudioStreamPlayer3D::has_stream_playback() {
return internal->has_stream_playback();
}
Ref<AudioStreamPlayback> AudioStreamPlayer3D::get_stream_playback() {
return internal->get_stream_playback();
}
void AudioStreamPlayer3D::set_max_polyphony(int p_max_polyphony) {
internal->set_max_polyphony(p_max_polyphony);
}
int AudioStreamPlayer3D::get_max_polyphony() const {
return internal->max_polyphony;
}
void AudioStreamPlayer3D::set_panning_strength(float p_panning_strength) {
ERR_FAIL_COND_MSG(p_panning_strength < 0, "Panning strength must be a positive number.");
panning_strength = p_panning_strength;
}
float AudioStreamPlayer3D::get_panning_strength() const {
return panning_strength;
}
AudioServer::PlaybackType AudioStreamPlayer3D::get_playback_type() const {
return internal->get_playback_type();
}
void AudioStreamPlayer3D::set_playback_type(AudioServer::PlaybackType p_playback_type) {
internal->set_playback_type(p_playback_type);
}
bool AudioStreamPlayer3D::_set(const StringName &p_name, const Variant &p_value) {
return internal->set(p_name, p_value);
}
bool AudioStreamPlayer3D::_get(const StringName &p_name, Variant &r_ret) const {
return internal->get(p_name, r_ret);
}
void AudioStreamPlayer3D::_get_property_list(List<PropertyInfo> *p_list) const {
internal->get_property_list(p_list);
}
void AudioStreamPlayer3D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_stream", "stream"), &AudioStreamPlayer3D::set_stream);
ClassDB::bind_method(D_METHOD("get_stream"), &AudioStreamPlayer3D::get_stream);
ClassDB::bind_method(D_METHOD("set_volume_db", "volume_db"), &AudioStreamPlayer3D::set_volume_db);
ClassDB::bind_method(D_METHOD("get_volume_db"), &AudioStreamPlayer3D::get_volume_db);
ClassDB::bind_method(D_METHOD("set_unit_size", "unit_size"), &AudioStreamPlayer3D::set_unit_size);
ClassDB::bind_method(D_METHOD("get_unit_size"), &AudioStreamPlayer3D::get_unit_size);
ClassDB::bind_method(D_METHOD("set_max_db", "max_db"), &AudioStreamPlayer3D::set_max_db);
ClassDB::bind_method(D_METHOD("get_max_db"), &AudioStreamPlayer3D::get_max_db);
ClassDB::bind_method(D_METHOD("set_pitch_scale", "pitch_scale"), &AudioStreamPlayer3D::set_pitch_scale);
ClassDB::bind_method(D_METHOD("get_pitch_scale"), &AudioStreamPlayer3D::get_pitch_scale);
ClassDB::bind_method(D_METHOD("play", "from_position"), &AudioStreamPlayer3D::play, DEFVAL(0.0));
ClassDB::bind_method(D_METHOD("seek", "to_position"), &AudioStreamPlayer3D::seek);
ClassDB::bind_method(D_METHOD("stop"), &AudioStreamPlayer3D::stop);
ClassDB::bind_method(D_METHOD("is_playing"), &AudioStreamPlayer3D::is_playing);
ClassDB::bind_method(D_METHOD("get_playback_position"), &AudioStreamPlayer3D::get_playback_position);
ClassDB::bind_method(D_METHOD("set_bus", "bus"), &AudioStreamPlayer3D::set_bus);
ClassDB::bind_method(D_METHOD("get_bus"), &AudioStreamPlayer3D::get_bus);
ClassDB::bind_method(D_METHOD("set_autoplay", "enable"), &AudioStreamPlayer3D::set_autoplay);
ClassDB::bind_method(D_METHOD("is_autoplay_enabled"), &AudioStreamPlayer3D::is_autoplay_enabled);
ClassDB::bind_method(D_METHOD("set_playing", "enable"), &AudioStreamPlayer3D::_set_playing);
ClassDB::bind_method(D_METHOD("set_max_distance", "meters"), &AudioStreamPlayer3D::set_max_distance);
ClassDB::bind_method(D_METHOD("get_max_distance"), &AudioStreamPlayer3D::get_max_distance);
ClassDB::bind_method(D_METHOD("set_area_mask", "mask"), &AudioStreamPlayer3D::set_area_mask);
ClassDB::bind_method(D_METHOD("get_area_mask"), &AudioStreamPlayer3D::get_area_mask);
ClassDB::bind_method(D_METHOD("set_emission_angle", "degrees"), &AudioStreamPlayer3D::set_emission_angle);
ClassDB::bind_method(D_METHOD("get_emission_angle"), &AudioStreamPlayer3D::get_emission_angle);
ClassDB::bind_method(D_METHOD("set_emission_angle_enabled", "enabled"), &AudioStreamPlayer3D::set_emission_angle_enabled);
ClassDB::bind_method(D_METHOD("is_emission_angle_enabled"), &AudioStreamPlayer3D::is_emission_angle_enabled);
ClassDB::bind_method(D_METHOD("set_emission_angle_filter_attenuation_db", "db"), &AudioStreamPlayer3D::set_emission_angle_filter_attenuation_db);
ClassDB::bind_method(D_METHOD("get_emission_angle_filter_attenuation_db"), &AudioStreamPlayer3D::get_emission_angle_filter_attenuation_db);
ClassDB::bind_method(D_METHOD("set_attenuation_filter_cutoff_hz", "degrees"), &AudioStreamPlayer3D::set_attenuation_filter_cutoff_hz);
ClassDB::bind_method(D_METHOD("get_attenuation_filter_cutoff_hz"), &AudioStreamPlayer3D::get_attenuation_filter_cutoff_hz);
ClassDB::bind_method(D_METHOD("set_attenuation_filter_db", "db"), &AudioStreamPlayer3D::set_attenuation_filter_db);
ClassDB::bind_method(D_METHOD("get_attenuation_filter_db"), &AudioStreamPlayer3D::get_attenuation_filter_db);
ClassDB::bind_method(D_METHOD("set_attenuation_model", "model"), &AudioStreamPlayer3D::set_attenuation_model);
ClassDB::bind_method(D_METHOD("get_attenuation_model"), &AudioStreamPlayer3D::get_attenuation_model);
ClassDB::bind_method(D_METHOD("set_doppler_tracking", "mode"), &AudioStreamPlayer3D::set_doppler_tracking);
ClassDB::bind_method(D_METHOD("get_doppler_tracking"), &AudioStreamPlayer3D::get_doppler_tracking);
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("set_panning_strength", "panning_strength"), &AudioStreamPlayer3D::set_panning_strength);
ClassDB::bind_method(D_METHOD("get_panning_strength"), &AudioStreamPlayer3D::get_panning_strength);
ClassDB::bind_method(D_METHOD("has_stream_playback"), &AudioStreamPlayer3D::has_stream_playback);
ClassDB::bind_method(D_METHOD("get_stream_playback"), &AudioStreamPlayer3D::get_stream_playback);
ClassDB::bind_method(D_METHOD("set_playback_type", "playback_type"), &AudioStreamPlayer3D::set_playback_type);
ClassDB::bind_method(D_METHOD("get_playback_type"), &AudioStreamPlayer3D::get_playback_type);
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "stream", PROPERTY_HINT_RESOURCE_TYPE, "AudioStream"), "set_stream", "get_stream");
ADD_PROPERTY(PropertyInfo(Variant::INT, "attenuation_model", PROPERTY_HINT_ENUM, "Inverse,Inverse Square,Logarithmic,Disabled"), "set_attenuation_model", "get_attenuation_model");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "volume_db", PROPERTY_HINT_RANGE, "-80,80,suffix:dB"), "set_volume_db", "get_volume_db");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "unit_size", PROPERTY_HINT_RANGE, "0.1,100,0.01,or_greater"), "set_unit_size", "get_unit_size");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "max_db", PROPERTY_HINT_RANGE, "-24,6,suffix:dB"), "set_max_db", "get_max_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, "0,4096,0.01,or_greater,suffix:m"), "set_max_distance", "get_max_distance");
ADD_PROPERTY(PropertyInfo(Variant::INT, "max_polyphony", PROPERTY_HINT_NONE, ""), "set_max_polyphony", "get_max_polyphony");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "panning_strength", PROPERTY_HINT_RANGE, "0,3,0.01,or_greater"), "set_panning_strength", "get_panning_strength");
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_PROPERTY(PropertyInfo(Variant::INT, "playback_type", PROPERTY_HINT_ENUM, "Default,Stream,Sample"), "set_playback_type", "get_playback_type");
ADD_GROUP("Emission Angle", "emission_angle");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "emission_angle_enabled"), "set_emission_angle_enabled", "is_emission_angle_enabled");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "emission_angle_degrees", PROPERTY_HINT_RANGE, "0.1,90,0.1,degrees"), "set_emission_angle", "get_emission_angle");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "emission_angle_filter_attenuation_db", PROPERTY_HINT_RANGE, "-80,0,0.1,suffix:dB"), "set_emission_angle_filter_attenuation_db", "get_emission_angle_filter_attenuation_db");
ADD_GROUP("Attenuation Filter", "attenuation_filter_");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "attenuation_filter_cutoff_hz", PROPERTY_HINT_RANGE, "1,20500,1,suffix:Hz"), "set_attenuation_filter_cutoff_hz", "get_attenuation_filter_cutoff_hz");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "attenuation_filter_db", PROPERTY_HINT_RANGE, "-80,0,0.1,suffix:dB"), "set_attenuation_filter_db", "get_attenuation_filter_db");
ADD_GROUP("Doppler", "doppler_");
ADD_PROPERTY(PropertyInfo(Variant::INT, "doppler_tracking", PROPERTY_HINT_ENUM, "Disabled,Idle,Physics"), "set_doppler_tracking", "get_doppler_tracking");
BIND_ENUM_CONSTANT(ATTENUATION_INVERSE_DISTANCE);
BIND_ENUM_CONSTANT(ATTENUATION_INVERSE_SQUARE_DISTANCE);
BIND_ENUM_CONSTANT(ATTENUATION_LOGARITHMIC);
BIND_ENUM_CONSTANT(ATTENUATION_DISABLED);
BIND_ENUM_CONSTANT(DOPPLER_TRACKING_DISABLED);
BIND_ENUM_CONSTANT(DOPPLER_TRACKING_IDLE_STEP);
BIND_ENUM_CONSTANT(DOPPLER_TRACKING_PHYSICS_STEP);
ADD_SIGNAL(MethodInfo("finished"));
}
AudioStreamPlayer3D::AudioStreamPlayer3D() {
internal = memnew(AudioStreamPlayerInternal(this, callable_mp(this, &AudioStreamPlayer3D::play), callable_mp(this, &AudioStreamPlayer3D::stop), true));
velocity_tracker.instantiate();
set_disable_scale(true);
cached_global_panning_strength = GLOBAL_GET("audio/general/3d_panning_strength");
}
AudioStreamPlayer3D::~AudioStreamPlayer3D() {
memdelete(internal);
}
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