92 lines
3.5 KiB
GDScript
92 lines
3.5 KiB
GDScript
# Random Audio Stream PLayer Godot Engine Add-on
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# Copyright (c) Tim Krief.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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tool
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extends AudioStreamPlayer
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export(Array, AudioStream) var samples = []
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export(String, DIR) var select_samples_from_folder setget load_samples_from_folder
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export(int, "Pure", "No consecutive repetition", "Use all samples before repeat") var random_strategy = 0
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onready var base_volume = volume_db
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export(float, 0, 80) var random_volume_range = 0
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onready var base_pitch = pitch_scale
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export(float, 0, 4) var random_pitch_range = 0
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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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# You can use playing_sample_nb to choose what sample to use
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func play(from_position=0.0, playing_sample_nb=-1):
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var number_of_samples = len(samples)
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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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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 random_volume_range != 0:
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.set_volume_db(base_volume + (randf() - .5) * random_volume_range)
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if random_pitch_range != 0:
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.set_pitch_scale(max(0.0001, base_pitch + (randf() - .5) * random_pitch_range))
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set_stream(samples[playing_sample_nb])
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.play(from_position)
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func set_volume_db(new_volume_db):
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.set_volume_db(new_volume_db)
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base_volume = new_volume_db
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func set_pitch_scale(new_pitch):
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.set_pitch_scale(max(0.0001, new_pitch))
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base_pitch = new_pitch
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func load_samples_from_folder(path):
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if path != "":
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samples.clear()
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var dir = Directory.new()
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if dir.open(path) == OK:
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dir.list_dir_begin(true)
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var file_name = dir.get_next()
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while file_name != "":
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if not dir.current_is_dir() and file_name.ends_with(".import"):
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var resource_path = dir.get_current_dir() + "/" + file_name.replace('.import', '')
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if resource_path.get_extension().to_lower() in ["wav", "ogg"]:
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var resource = load(resource_path)
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if resource != null:
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samples.append(resource)
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file_name = dir.get_next()
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select_samples_from_folder = ""
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