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* Baystruments - I had two tgstation forks for some reason and had to delete one and that nuked the last PR (#51459) Instruments and sound channels refactor. * Baystruments - I had two tgstation forks for some reason and had to delete one and that nuked the last PR * Fixes dme dupe * Fixes dme dupe (#52954) Co-authored-by: silicons <2003111+silicons@users.noreply.github.com> Co-authored-by: AnturK <AnturK@users.noreply.github.com> Co-authored-by: Useroth <37159550+Useroth@users.noreply.github.com>
32 lines
1018 B
Plaintext
32 lines
1018 B
Plaintext
/**
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* Instrument key datums contain everything needed to know how to play a specific
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* note of an instrument.*
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*/
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/datum/instrument_key
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/// The numerical key of what this is, from 1 to 127 on a standard piano keyboard.
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var/key
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/// The actual sample file that will be loaded when playing.
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var/sample
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/// The frequency to play the sample to get our desired note.
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var/frequency
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/// Deviation up/down from the pivot point that uses its sample. Used to calculate frequency.
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var/deviation
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/datum/instrument_key/New(sample = src.sample, key = src.key, deviation = src.deviation, frequency = src.frequency)
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src.sample = sample
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src.key = key
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src.deviation = deviation
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src.frequency = frequency
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if(!frequency && deviation)
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calculate()
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/**
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* Calculates and stores our deviation.
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*/
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/datum/instrument_key/proc/calculate()
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if(!deviation)
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CRASH("Invalid calculate call: No deviation or sample in instrument_key")
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#define KEY_TWELTH (1/12)
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frequency = 2 ** (KEY_TWELTH * deviation)
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#undef KEY_TWELTH
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