59 lines
1.7 KiB
GDScript
59 lines
1.7 KiB
GDScript
tool
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extends AudioStreamPlayer
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export(Array, AudioStream) var streams
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export(int, "Pure", "No consecutive repetition", "Use all samples before repeat") var random_strategy = 0
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export(bool) var randomize_volume = false
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export(float, -80, 24) var volume_min = 0
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export(float, -80, 24) var volume_max = 0
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export(bool) var randomize_pitch = false
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export(float, 0.01, 32) var pitch_min = 1
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export(float, 0.01, 32) var pitch_max = 1
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var playing_sample_nb : int = -1
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var last_played_sample_nb : int = -1 # only used if random_strategy = 1
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var to_play = [] # only used if random_strategy = 2
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func play(from_position=0.0):
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playing = true
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var number_of_samples = len(streams)
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if number_of_samples > 0:
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if playing_sample_nb < 0:
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if number_of_samples == 1:
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playing_sample_nb = 0
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else:
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randomize()
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match random_strategy:
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1:
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playing_sample_nb = randi() % (number_of_samples - 1)
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if last_played_sample_nb == playing_sample_nb:
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playing_sample_nb += 1
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last_played_sample_nb = playing_sample_nb
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2:
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if len(to_play) == 0:
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for i in range(number_of_samples):
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if i != last_played_sample_nb:
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to_play.append(i)
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to_play.shuffle()
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playing_sample_nb = to_play.pop_back()
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last_played_sample_nb = playing_sample_nb
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_:
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playing_sample_nb = randi() % number_of_samples
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if randomize_volume:
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set_volume_db(rand_range(volume_min, volume_max))
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if randomize_pitch:
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set_pitch_scale(rand_range(pitch_min, pitch_max))
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set_stream(streams[playing_sample_nb])
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.play(from_position)
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func _ready():
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connect("finished", self, "reset_playing_sample_nb")
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func reset_playing_sample_nb():
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if playing_sample_nb >= 0:
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playing_sample_nb = -1
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