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extends Node
# REQUIREMENTS
# * SS-67
@export_dir var music_directory : String
@export var first_song_name : String
@export var _audio_stream_player : AudioStreamPlayer
var _selected_track = 0
var _available_songs : Array[SongInfo] = []
var _auto_play_next_song : bool = true
## True if music player should be visible.
## Used to keep keep consistency between scene changes
var is_music_player_visible : bool = true
var _has_startup_happened : bool = false
func get_all_song_names() -> Array[String]:
var songNames : Array[String] = []
for si in _available_songs:
songNames.append(si.song_name)
return songNames
func get_current_song_index() -> int:
return _selected_track
func get_current_song_name() -> String:
return _available_songs[_selected_track].song_name
func scrub_song_by_percentage(percentage: float) -> void:
var percentInSeconds : float = (percentage / 100.0) * _audio_stream_player.stream.get_length()
_audio_stream_player.play(percentInSeconds)
func get_current_song_progress_percentage() -> float:
return 100 * (_audio_stream_player.get_playback_position() / _audio_stream_player.stream.get_length())
func is_paused() -> bool:
return _audio_stream_player.stream_paused
func set_paused(paused : bool) -> void:
_audio_stream_player.stream_paused = paused
func toggle_play_pause() -> void:
_audio_stream_player.stream_paused = !_audio_stream_player.stream_paused
func start_current_song() -> void:
_audio_stream_player.stream = _available_songs[_selected_track].song_stream
_audio_stream_player.play()
# REQUIREMENTS
# * SS-70
func start_song_by_index(id: int) -> void:
_selected_track = id
start_current_song()
# REQUIREMENTS
# * SS-69
func select_next_song() -> void:
_selected_track = (_selected_track + 1) % len(_available_songs)
start_current_song()
func select_previous_song() -> void:
_selected_track = (len(_available_songs) - 1) if (_selected_track == 0) else (_selected_track - 1)
start_current_song()
# REQUIREMENTS
# * SND-2, SND-3
func _ready():
var dir = DirAccess.open(music_directory)
for fname in dir.get_files():
if fname.ends_with(".import"):
fname = fname.get_basename()
if fname.get_basename() == first_song_name:
_selected_track = _available_songs.size()
_available_songs.append(SongInfo.new(music_directory, fname))
start_current_song()
set_paused(true)
func set_startup_music(play : bool) -> void:
if not _has_startup_happened:
_has_startup_happened = true
set_paused(not play)
func _on_audio_stream_player_finished():
if _auto_play_next_song:
select_next_song()
start_current_song()
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zaaarf