playnbs.lua

local opennbs = require('opennbs')

local instIndex = {
 [1]  = "harp",           -- harp/piano (air/dirt)
 [2]  = "bass",           -- double bass/bass (wood)
 [3]  = "basedrum",       -- basedrum (stone)
 [4]  = "snare",          -- snare (sand)
 [5]  = "click",          -- click (glass)
 [6]  = "guitar",         -- guitar (wool)
 [7]  = "flute",          -- flute (clay)
 [8]  = "bell",           -- bell (block of gold)
 [9]  = "chime",          -- chime (packed ice)
 [10] = "xylophone",      -- xylophone (bone block)
 [11] = "iron_xylophone", -- iron xylophone (iron block)
 [12] = "cow_bell",       -- cow bell (soul sand)
 [13] = "didgeridoo",     -- didgeridoo (pumpkin)
 [14] = "bit",            -- bit [square wave] (block of emerald)
 [15] = "banjo",          -- banjo (hay)
 [16] = "pling",          -- pling/electric piano (glowstone)
}


write('Song to play: ')
local data = opennbs.parseNbs(read())

local outputs = {
 function(instrument, instIndex_, volume, pitch, panning)
  -- TODO: panning
  if commands then
   print('gdasidj')
   commands.execute(
    'as',
    '@a',
    'at',
    '@s',
    'run',
    'playsound',
     'minecraft:block.note_block.'..instrument,
     'master',
     '@s',
     '~', '~', '~',
     volume, pitch
   )
  end
 end
}

local parallels = {}

for _,layer in pairs(data.layers) do
 parallels[#parallels+1] = function()
  for _,note in ipairs(layer.notes) do
   print(_,'aaaaaaaaaaaaaaa')
   local a=require('cc.pretty')a.print(a.pretty(note))
   sleep(data.info.tempo/400)
   print(data.info.tempo, data.info.tempo/400, 'gfgf')
   for _,func in pairs(outputs) do
    func(instIndex[note.instrument], note.instrument, note.volume, note.pitch, note.panning)
   end
  end
 end
end

parallel.waitForAll(table.unpack(parallels))