64 lines
2.5 KiB
GDScript
64 lines
2.5 KiB
GDScript
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class_name MusicDirector
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extends Node
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static var volume := 0.65
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var layers: Array[AudioStreamPlayer] = []
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var state := ""
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var transition: Tween
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var game: Node
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var cue: AudioStreamPlayer
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const ROOT := "res://assets/audio/assault/"
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func _ready() -> void:
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if DisplayServer.get_name() == "headless":
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set_process(false)
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return
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if AudioServer.get_bus_index("Music") < 0:
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AudioServer.add_bus()
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AudioServer.set_bus_name(AudioServer.bus_count-1,"Music")
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for instrument in ["Synth","Strings","Percussion","Guitar"]:
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var path := ROOT+"Stems/Incoming/MUS_Combat_Incoming_Loop_%s_100BPM.wav" % instrument
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if not ResourceLoader.exists(path): continue
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var stream := load(path).duplicate() as AudioStreamWAV
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stream.loop_mode = AudioStreamWAV.LOOP_FORWARD
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stream.loop_begin = 0
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stream.loop_end = int(round(stream.get_length()*stream.mix_rate))
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var player := AudioStreamPlayer.new()
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player.stream = stream
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player.bus = "Music"
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player.volume_db = -60
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add_child(player)
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layers.append(player)
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# All stems use the same audio mix boundary and keep playing through UI changes.
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for player in layers: player.play()
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cue = AudioStreamPlayer.new()
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cue.bus = "Music"
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cue.volume_db = -20
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add_child(cue)
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func _process(_delta: float) -> void:
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AudioServer.set_bus_volume_db(AudioServer.get_bus_index("Music"),linear_to_db(maxf(volume,0.0001)))
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AudioServer.set_bus_mute(AudioServer.get_bus_index("Music"),volume <= 0)
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var next := "menu"
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if is_instance_valid(game):
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if game.match_over: next = "results"
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elif game.active: next = "pause" if game.paused else "combat"
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elif game.connecting: next = "lobby"
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if next == state: return
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var previous := state
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state = next
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if state == "combat" and previous != "pause":
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play_cue("Loops/Combat_Incoming_Modular/MUS_Combat_Incoming_Intro_Transition_100BPM.wav")
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elif state == "results":
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var ending := "01" if not is_instance_valid(game) or game.winner != "DRAW" else "02"
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play_cue("Loops/Combat_Incoming_Modular/MUS_Combat_Incoming_Outro_Resolve_%s_100BPM.wav" % ending)
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if transition: transition.kill()
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transition = create_tween().set_parallel(true)
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var levels: Array = {"menu":[-16,-23,-60,-60],"lobby":[-16,-20,-28,-60],"combat":[-23,-23,-23,-26],"pause":[-25,-30,-60,-60],"results":[-19,-18,-60,-60]}[state]
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for i in layers.size(): transition.tween_property(layers[i],"volume_db",float(levels[i]),1.5)
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func play_cue(relative: String) -> void:
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if cue and ResourceLoader.exists(ROOT+relative):
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cue.stream = load(ROOT+relative)
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cue.play()
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