mineflayer = require('mineflayer');
bot = mineflayer.createBot({
  host: "localhost",
  port: 25565,
  username: "fookat",
});




// list of key pitches Fb1 - Fb2
pitches = [0.5];
for (let i = -11; i <= -1; i++)
	pitches.push(Math.pow(2, i/12));
pitches.push(1);
for (let i = 1; i <= 11; i++)
	pitches.push(Math.pow(2, i/12));
pitches.push(2);



noteHandler = function(noteNumber, velocity) {
    //let cmd = `/playsound minecraft:block.note_block.harp record @a ~ ~ ~ 1 ${(event.noteNumber - 21) / 44}`
    let npos = noteNumber - 21; // note position from 0 to 88
    let opos; // octave start position
    let inst;
    if (npos > (opos = 8) && npos <= 32) {
        inst = "minecraft:block.note_block.bass"
    }
    else if (npos > (opos = 32) && npos <= 56) {
        inst = "minecraft:block.note_block.harp";
    }  
    else if (npos > (opos = 56) && npos <= 80) {
        inst = "minecraft:block.note_block.xylophone";
    } else return;
    //console.log(npos - opos - 1);
    let pitch = pitches[npos - opos - 1];
    if (!pitch) return;
    let cmd = `/execute at @a run playsound ${inst} record @p ~ ~ ~ ${velocity / 127 || 1} ${pitch} 1`
    //console.log(cmd);
    bot.chat(cmd);
}


MidiPlayer = require('midi-player-js');
Player = new MidiPlayer.Player(function(event){
    if (event.name == "Note off" || (event.name == "Note on" && event.velocity === 0)) {
        
    } else if (event.name == "Note on") {
        noteHandler(event.noteNumber, event.velocity);
    } else if (event.name == "Set Tempo") {
        Player.setTempo(event.data);
    }
});
Player.sampleRate = 0;
Player.loadFile('./Note_sweep.mid');
bot.on('login', () => {
    console.log("login")
    Player.play()
    var JZZ = require('JZZ');
    JZZ().openMidiIn().connect(function(msg){
        if (msg.isNoteOn()) noteHandler(msg.getNote(), msg.getVelocity());
    });
});