98 lines
3.1 KiB
GDScript
98 lines
3.1 KiB
GDScript
#@tool
|
|
#@icon(icon_path: String)
|
|
class_name RhythmManager
|
|
extends Node2D
|
|
## Documentation comments
|
|
|
|
signal song_started()
|
|
## enum
|
|
## const
|
|
|
|
@export var target_audio: AudioStreamPlayer2D
|
|
@export var tempo: int = 120
|
|
@export var beats_per_measure: int = 4
|
|
|
|
var beats_elapsed: int = 0
|
|
var beat_time_start: float = 0.0
|
|
var beat_time_elapsed: float = 0.0
|
|
var seconds_per_beat: float
|
|
var useconds_per_beat: float
|
|
var song_time_elapsed: float = 0.0
|
|
var total_time_elapsed: float = 0.0
|
|
var is_running: bool = false
|
|
var start_time: float
|
|
var end_time: float
|
|
var ready_time: float
|
|
var click_track_stream: AudioStream
|
|
#var delay_time: float
|
|
|
|
@onready var beat_bar: ProgressBar = %BeatBar
|
|
#@onready var click_track: AudioStreamPlayer2D = %ClickTrack
|
|
@onready var beat_time_value: Label = %BeatTimeValue
|
|
@onready var volume_bar_left: ProgressBar = %VolumeBarLeft
|
|
@onready var volume_bar_right: ProgressBar = %VolumeBarRight
|
|
@onready var volume_value_left: Label = %VolumeValueLeft
|
|
@onready var volume_value_right: Label = %VolumeValueRight
|
|
|
|
## OVERRIDES
|
|
|
|
func _ready() -> void:
|
|
#click_track_stream = click_track.stream
|
|
ready_time = Time.get_ticks_usec()
|
|
print("Ready time: %s" % ready_time)
|
|
print("Buses at index 0: %s" % AudioServer.get_bus_name(0))
|
|
print("Channels on Bus 0: %s" % AudioServer.get_bus_channels(0))
|
|
#var time_to_next_mix: float = AudioServer.get_time_to_next_mix()
|
|
#var output_latency: float = AudioServer.get_output_latency()
|
|
#var mix_rate: float = AudioServer.get_mix_rate()
|
|
#delay_time = time_to_next_mix + output_latency
|
|
seconds_per_beat = 60.0/float(tempo)
|
|
useconds_per_beat = seconds_per_beat * 1000000.0
|
|
beat_bar.max_value = useconds_per_beat
|
|
|
|
func _process(_delta: float) -> void:
|
|
total_time_elapsed = Time.get_ticks_usec()
|
|
if is_running:
|
|
volume_bar_left.value = AudioServer.get_bus_peak_volume_left_db(0, 0)
|
|
volume_bar_right.value = AudioServer.get_bus_peak_volume_right_db(0, 0)
|
|
volume_value_left.text = str(snappedf(AudioServer.get_bus_peak_volume_left_db(0, 0), 0.1))
|
|
volume_value_right.text = str(snappedf(AudioServer.get_bus_peak_volume_right_db(0, 0), 0.1))
|
|
song_time_elapsed = total_time_elapsed - start_time
|
|
#print("song time elapsed: %s" % song_time_elapsed)
|
|
beat_time_elapsed = song_time_elapsed - beat_time_start
|
|
beat_time_value.text = str(beat_time_elapsed) + " usec"
|
|
beat_bar.value = beat_time_elapsed
|
|
#print("beat time elapsed: %s" % beat_time_elapsed)
|
|
#fmod = fmod(total_time_elapsed, useconds_per_beat)
|
|
#print(fmod)
|
|
if beat_time_elapsed >= useconds_per_beat:
|
|
#print("This beat took %s useconds" % beat_time_elapsed)
|
|
beats_elapsed += 1
|
|
beat_time_elapsed = 0.0
|
|
beat_time_start = song_time_elapsed
|
|
|
|
func _input(event: InputEvent) -> void:
|
|
if event.is_action_pressed("start"):
|
|
if is_running == false:
|
|
start_time = Time.get_ticks_usec()
|
|
print("start time: %s" % start_time)
|
|
is_running = true
|
|
target_audio.play()
|
|
else:
|
|
target_audio.stop()
|
|
is_running = false
|
|
end_time = Time.get_ticks_usec()
|
|
print("end_time: %s" % end_time)
|
|
song_started.emit()
|
|
|
|
#func _physics_process(delta: float) -> void:
|
|
#pass
|
|
|
|
## CORE
|
|
|
|
## PRIVATE/HELPER
|
|
|
|
## RECEIVERS
|
|
|
|
## SETTERS/GETTERS
|