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import Op, Value, Input, Error, match from require 'core.base'
import udp from require 'socket'
local conn
hex = "0123456789abcdef"
encode = (arg) ->
switch type arg
when 'number' then
i = 1 + math.floor arg
hex\sub i, i
when 'string' then arg
else error "invalid type: #{type arg}"
send = (...) ->
str = ''
for i = 1, select '#', ...
tbl = select i, ...
str ..= table.concat [encode v for v in *tbl]
conn or= udp!
conn\sendto str, '127.0.0.1', 49161
play = Value.meta
meta:
name: 'play'
summary: "Play a note when a bang arrives."
examples: { '(pilot/play trig ch oct note [vel [len]])' }
value: class extends Op
setup: (inputs) =>
{ trig, args } = match 'bang *any', inputs
assert #args < 6, Error 'argument', "too many arguments!"
super
trig: Input.event trig
args: [Input.cold a for a in *args]
tick: =>
{ :trig, :args } = @inputs
if trig\dirty! and trig!
send [a! for a in *@inputs.args]
play_ = Value.meta
meta:
name: 'play!'
summary: "Play a note when a note arrives."
examples: { '(pilot/play! ch oct note [vel [len]])' }
value: class extends Op
setup: (inputs) =>
{ chan, octv, note, args } = match 'any any any *any', inputs
assert #args < 3, Error 'argument', "too many arguments!"
super
chan: Input.cold chan
octv: Input.cold octv
note: Input.event note
args: [Input.cold a for a in *args]
tick: =>
if @inputs.note\dirty!
{ :chan, :oct, :note, :args } = @unwrap_all!
send { chan, oct, note }, args
effect = Value.meta
meta:
name: 'effect'
summary: "Set effect parameters."
examples: { '(pilot/effect which a b)' }
description: "`effect` should be one of 'DIS', 'CHO', 'REV' or 'FEE'"
value: class extends Op
setup: (inputs) =>
{ which, a, b } = match 'str num num', inputs
super {
Input.cold which
Input.value a
Input.value b
}
tick: =>
send @unwrap_all!
{
:play
'play!': play_
:effect
}
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