131 lines
3.7 KiB
JavaScript
131 lines
3.7 KiB
JavaScript
const fs = require('fs')
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const convertMidi = require('../util/convert-midi.js')
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const convertNBS = require('../util/nbs-converter.js')
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function inject (bot) {
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bot.music = {
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playing: false,
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queue: [],
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nowPlaying: undefined,
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looping: false,
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_interval: null,
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_playNextSong,
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skip,
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stop,
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play
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}
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bot.music.nowPlaying = {
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name: '',
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tick: {
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current: null,
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total: null
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// npt: null
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}
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}
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setInterval(() => {
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if (!bot.music.playing) return
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const msg = [
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{ text: 'Now Playing', color: bot.colors.primary },
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{ text: ' | ', color: 'dark_gray' },
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{ text: bot.music.nowPlaying.name, color: bot.colors.secondary, bold: true },
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{ text: ' | ', color: 'dark_gray' },
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format(bot.music.nowPlaying.time),
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{ text: ' / ', color: 'gray' },
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format(bot.music.nowPlaying.length)
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// { text: ' (', color: 'dark_gray' },
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// bot.music.nowPlaying.note.npt + ' npt',
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// { text: ')', color: 'dark_gray' }
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]
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if (bot.music.looping) {
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msg.push({ text: ' | ', color: 'dark_gray' })
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msg.push({ text: 'Looping', color: bot.colors.secondary })
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}
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bot.core.run('/title @a actionbar ' + JSON.stringify(msg))
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}, 500)
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function _playNextSong () {
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const song = bot.music.queue.shift()
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if (song != null) play(song)
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}
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function skip () {
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clearInterval(bot.music._interval)
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bot.music.playing = false
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if (bot.music.queue.length !== 0) _playNextSong()
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}
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function stop () {
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bot.music.queue = []
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clearInterval(bot.music._interval)
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bot.music.playing = false
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}
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function play (filepath) {
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// set stuff up
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let song
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try {
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if (filepath.endsWith('.nbs')) {
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song = convertNBS(fs.readFileSync(filepath), filepath)
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} else song = convertMidi(filepath)
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song.time = 0
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bot.music.nowPlaying = song
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} catch (err) {
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bot.core.run('minecraft:tellraw @a ' + JSON.stringify({ text: err.message, color: bot.colors.error }))
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return
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}
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// play the music lol
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bot.core.run(`/tellraw @a ${JSON.stringify([
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{ text: 'Now playing ', color: bot.colors.primary },
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{ text: song.name, color: bot.colors.secondary },
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'.'
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])}`)
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bot.music.playing = true
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bot.music.looping = song.loop
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let startTime = (new Date()).valueOf()
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let notes = [ ...song.notes ]
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bot.music._interval = setInterval(async () => {
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const time = (new Date()).valueOf() - startTime
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song.time = time
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notes.forEach(async (note, i) => {
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if (time >= note.time) {
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const floatingpitch = Math.pow(2, (note.pitch - 12) / 12.0)
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bot.core.run(`minecraft:execute at @a run playsound block.note_block.${note.instrument} record @p ^1 ^ ^ 99 ${floatingpitch}`)
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bot.core.run(`minecraft:execute at @a run playsound block.note_block.${note.instrument} record @p ^-1 ^ ^ 99 ${floatingpitch}`)
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notes.splice(i, 1)
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}
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})
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song.time++
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if (time > song.length) {
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if (bot.music.looping) {
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notes = [ ...song.notes ]
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startTime = (new Date()).valueOf() + song.loopPosition
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return
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}
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clearInterval(bot.music._interval)
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bot.music.playing = false
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bot.core.run('/tellraw @a ' + JSON.stringify([
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{ text: 'Finished playing ', color: 'green' },
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{ text: bot.music.nowPlaying.name, color: 'dark_green' },
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'.'
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]))
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if (bot.music.queue.length !== 0) _playNextSong()
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}
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}, 50)
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}
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}
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function format (ms) {
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const s = ms / 1000
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const seconds = Math.floor(s / 60).toString()
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const minutes = Math.floor(s % 60).toString()
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return seconds + ':' + (minutes.length <= 1 ? '0' : '') + minutes
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}
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module.exports.bot = inject
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