void Timer::_set_process(bool p_process, bool p_force) {
switch (timer_process_mode) {
case TIMER_PROCESS_FIXED: set_fixed_process_internal(p_process && !paused); break;
case TIMER_PROCESS_IDLE: set_process_internal(p_process && !paused); break;
}
processing = p_process;
}
void AudioStreamPlayer2D::stop() {
if (stream_playback.is_valid()) {
active = false;
set_fixed_process_internal(false);
setplay = -1;
}
}
void AudioStreamPlayer2D::play(float p_from_pos) {
if (stream_playback.is_valid()) {
setplay = p_from_pos;
output_ready = false;
set_fixed_process_internal(true);
}
}
void Timer::set_timer_process_mode(TimerProcessMode p_mode) {
if (timer_process_mode == p_mode)
return;
switch (timer_process_mode) {
case TIMER_PROCESS_FIXED:
if (is_fixed_processing_internal()) {
set_fixed_process_internal(false);
set_process_internal(true);
}
break;
case TIMER_PROCESS_IDLE:
if (is_processing_internal()) {
set_process_internal(false);
set_fixed_process_internal(true);
}
break;
}
timer_process_mode = p_mode;
}
void AudioStreamPlayer2D::_notification(int p_what) {
if (p_what == NOTIFICATION_ENTER_TREE) {
AudioServer::get_singleton()->add_callback(_mix_audios, this);
if (autoplay && !Engine::get_singleton()->is_editor_hint()) {
play();
}
}
if (p_what == NOTIFICATION_EXIT_TREE) {
AudioServer::get_singleton()->remove_callback(_mix_audios, this);
}
if (p_what == NOTIFICATION_INTERNAL_FIXED_PROCESS) {
//update anything related to position first, if possible of course
if (!output_ready) {
List<Viewport *> viewports;
Ref<World2D> world_2d = get_world_2d();
ERR_FAIL_COND(world_2d.is_null());
int new_output_count = 0;
Vector2 global_pos = get_global_position();
int bus_index = AudioServer::get_singleton()->thread_find_bus_index(bus);
//check if any area is diverting sound into a bus
Physics2DDirectSpaceState *space_state = Physics2DServer::get_singleton()->space_get_direct_state(world_2d->get_space());
Physics2DDirectSpaceState::ShapeResult sr[MAX_INTERSECT_AREAS];
int areas = space_state->intersect_point(global_pos, sr, MAX_INTERSECT_AREAS, Set<RID>(), area_mask, Physics2DDirectSpaceState::TYPE_MASK_AREA);
for (int i = 0; i < areas; i++) {
Area2D *area2d = Object::cast_to<Area2D>(sr[i].collider);
if (!area2d)
continue;
if (!area2d->is_overriding_audio_bus())
continue;
StringName bus_name = area2d->get_audio_bus_name();
bus_index = AudioServer::get_singleton()->thread_find_bus_index(bus_name);
break;
}
world_2d->get_viewport_list(&viewports);
for (List<Viewport *>::Element *E = viewports.front(); E; E = E->next()) {
Viewport *vp = E->get();
if (vp->is_audio_listener_2d()) {
//compute matrix to convert to screen
Transform2D to_screen = vp->get_global_canvas_transform() * vp->get_canvas_transform();
Vector2 screen_size = vp->get_visible_rect().size;
//screen in global is used for attenuation
Vector2 screen_in_global = to_screen.affine_inverse().xform(screen_size * 0.5);
float dist = global_pos.distance_to(screen_in_global); //distance to screen center
if (dist > max_distance)
continue; //cant hear this sound in this viewport
float multiplier = Math::pow(1.0f - dist / max_distance, attenuation);
multiplier *= Math::db2linear(volume_db); //also apply player volume!
//point in screen is used for panning
Vector2 point_in_screen = to_screen.xform(global_pos);
float pan = CLAMP(point_in_screen.x / screen_size.width, 0.0, 1.0);
float l = 1.0 - pan;
float r = pan;
outputs[new_output_count].vol = AudioFrame(l, r) * multiplier;
outputs[new_output_count].bus_index = bus_index;
outputs[new_output_count].viewport = vp; //keep pointer only for reference
new_output_count++;
if (new_output_count == MAX_OUTPUTS)
break;
}
}
output_count = new_output_count;
output_ready = true;
}
//start playing if requested
if (setplay >= 0.0) {
setseek = setplay;
active = true;
setplay = -1;
//do not update, this makes it easier to animate (will shut off otherise)
//_change_notify("playing"); //update property in editor
}
//stop playing if no longer active
if (!active) {
set_fixed_process_internal(false);
//do not update, this makes it easier to animate (will shut off otherise)
//_change_notify("playing"); //update property in editor
emit_signal("finished");
}
}
}
