VP sheet player

Paste or make your own sheet, then paste it!

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey, το Greasemonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

You will need to install an extension such as Tampermonkey to install this script.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Userscripts για να εγκαταστήσετε αυτόν τον κώδικα.

You will need to install an extension such as Tampermonkey to install this script.

Θα χρειαστεί να εγκαταστήσετε μια επέκταση διαχείρισης κώδικα χρήστη για να εγκαταστήσετε αυτόν τον κώδικα.

(Έχω ήδη έναν διαχειριστή κώδικα χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Έχω ήδη έναν διαχειριστή στυλ χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

// ==UserScript==
// @name         VP sheet player
// @namespace    http://tampermonkey.net/
// @version      1.0.1
// @description  Paste or make your own sheet, then paste it!
// @author       x/y
// @match        *://multiplayerpiano.net/*
// @match        *://mpp.8448.space/*
// @grant        none
// @run-at       document-end
// @license      MIT
// ==/UserScript==

//######==== Creation - Sheets button ---------
let Button = document.createElement("div")
Button.id = "sheets-btn"
Button.className = "ugly-button sheets-btn"
Button.textContent = "Sheets"
Button.style.position = "absolute"
Button.style.top = "32px"
Button.style.left = "1140px"
document.querySelector("#bottom .relative").appendChild(Button)
//######==== Constants ------------------------
const KEYMAP = {
    "1": { ptr: 15 }, "!": { ptr: 16 }, "2": { ptr: 17 }, "@": { ptr: 18 },
    "3": { ptr: 19 }, "4": { ptr: 20 }, "$": { ptr: 21 }, "5": { ptr: 22 },
    "%": { ptr: 23 }, "6": { ptr: 24 }, "^": { ptr: 25 }, "7": { ptr: 26 },
    "8": { ptr: 27 }, "*": { ptr: 28 }, "9": { ptr: 29 }, "(": { ptr: 30 },
    "0": { ptr: 31 }, "q": { ptr: 32 }, "Q": { ptr: 33 }, "w": { ptr: 34 },
    "W": { ptr: 35 }, "e": { ptr: 36 }, "E": { ptr: 37 }, "r": { ptr: 38 },
    "t": { ptr: 39 }, "T": { ptr: 40 }, "y": { ptr: 41 }, "Y": { ptr: 42 },
    "u": { ptr: 43 }, "i": { ptr: 44 }, "I": { ptr: 45 }, "o": { ptr: 46 },
    "O": { ptr: 47 }, "p": { ptr: 48 }, "P": { ptr: 49 }, "a": { ptr: 50 },
    "s": { ptr: 51 }, "S": { ptr: 52 }, "d": { ptr: 53 }, "D": { ptr: 54 },
    "f": { ptr: 55 }, "g": { ptr: 56 }, "G": { ptr: 57 }, "h": { ptr: 58 },
    "H": { ptr: 59 }, "j": { ptr: 60 }, "J": { ptr: 61 }, "k": { ptr: 62 },
    "l": { ptr: 63 }, "L": { ptr: 64 }, "z": { ptr: 65 }, "Z": { ptr: 66 },
    "x": { ptr: 67 }, "c": { ptr: 68 }, "C": { ptr: 69 }, "v": { ptr: 70 },
    "V": { ptr: 71 }, "b": { ptr: 72 }, "B": { ptr: 73 }, "n": { ptr: 74 },
    "m": { ptr: 75 }, '"': { ptr: 18 }
}
const OFFSET = Object.entries(MPP.piano.keys).findIndex((e) => {return e[0] === "c1"}) - 15
//######==== General use functions ------------
window.parseSheet = (sh) => {
    sh = sh.replaceAll("|", "").replaceAll("{", "").replaceAll("}", "").replaceAll("`", "").replaceAll("✱", "*")
    let output = []
    let current = ""
    let inside = false
    for (let i = 0; i < sh.length; i++) {
        let c = sh[i]
        if (c === "[") {
            for (let ch of current.trim()) output.push(ch)
            current = ""
            inside = true
            continue
        }
        if (c === "]") {
            output.push(current)
            current = ""
            inside = false
            continue
        }
        if (!inside) {
            if (c === " ") {
                for (let ch of current.trim()) output.push(ch)
                current = ""
            } else {
                current += c
            }
        } else {
            current += c
        }
    }
    for (let ch of current.trim()) output.push(ch)
    return output
}
window.thisAndThat = (d) => {
    let that = window.loadedSheet
    let put = ""
    for (let i = window.currentIndex; i < window.currentIndex + 40; i++) {
        if (i > window.loadedSheet.length - 1) {
            put += ""
        } else {
            if (i - window.currentIndex === 0) {put += "("}
            if (window.loadedSheet[i].length > 1) {
                put += "[" + window.loadedSheet[i] + "]"
            } else {
                put += window.loadedSheet[i]
            }
            if (i - window.currentIndex === 0) {put += ")"}
            put += " "
        }
    }
    window.sheetinput.value = put
}
function pressGroup(groupString) {
    for (let ch of groupString) {
        let key = KEYMAP[ch]
        if (!key) continue
        let index = key.ptr + OFFSET
        let note = Object.values(MPP.piano.keys).map(k => k.note)[index + window.Trans]
        if (note) MPP.press(note, 0.8)
    }
}
//######==== Sheets menu HTML -----------------
let buttonStyle = `background-image: linear-gradient(#111, #333); color: white;`
let makeSheetsMenu = document.createElement("div")
makeSheetsMenu.innerHTML = `<div id="sheets" style="box-shadow: 0px 5px 12px rgba(0,0,0,0.7); font-size: 12px; z-index: 10000; display: block; width: 300px; height: 150px; position: fixed; top: 77.5%; left: 50%; transform: translate(-50%, 150%); outline: 2.5px solid #567; background-image: linear-gradient(to bottom, #789 5%, #9ab 25%, #89a 42.5%, #789 80%, #678 92.5%, #789 100%); opacity: 0; pointer-events: none; transition: opacity 0.5s ease, transform 0.5s linear;">
<span style="display: block; text-align: center;">
<big><b>(SHEET LOADER)</b></big><br>
Paste your sheet here, or <u>type your own!</u>
<textarea spellcheck="false" rows="1" style="overflow: hidden; scrollbar-width: none; white-space: nowrap; overflow-x: auto; overflow-y: hidden; width: 280px; resize: none;"></textarea>
Dash [-] | Equals [=] | LeftBracket ([) | RightBracket (]) | SemiColon [;] | Comma [,] | Period [.] | Comma [,] <br>
<button style="${buttonStyle}" onclick="window.Playing = !window.Playing; if (window.Playing) {window.currentIndex = 0; window.loadedSheet = parseSheet(window.sheetinput.value); window.curSheet = window.sheetinput.value; window.thisAndThat();} else {window.sheetinput.value = window.curSheet}; this.innerHTML = window.Playing ? '🔴 Stop Playing Sheet' : '🟢 Play Sheet'">🟢 Play Sheet</button><br>
<button style="${buttonStyle.replace("111", "200").replace("333", "400")}" onclick="window.Trans += -12; if (window.Trans < -48) {window.Trans = -48}; document.getElementById('ptransposition').textContent = window.Trans;">--</button>
<button style="${buttonStyle.replace("111", "311").replace("333", "622")}" onclick="window.Trans += -1; if (window.Trans < -48) {window.Trans = -48}; document.getElementById('ptransposition').textContent = window.Trans;">-</button>
<b>Transpose: <i id="ptransposition">0</i></b>
<button style="${buttonStyle.replace("111", "131").replace("333", "062")}" onclick="window.Trans += 1; if (window.Trans > 48) {window.Trans = 48}; document.getElementById('ptransposition').textContent = window.Trans;">+</button>
<button style="${buttonStyle.replace("111", "020").replace("333", "040")}" onclick="window.Trans += 12; if (window.Trans > 48) {window.Trans = 48}; document.getElementById('ptransposition').textContent = window.Trans;">++</button>
</span></div>`
document.body.appendChild(makeSheetsMenu)
//######==== Sheet button logic ---------------
let sheetButton = document.getElementById("sheets-btn")
let sheetMenuShown = false
let sheetMenu = document.getElementById("sheets")
sheetButton.onclick = () => {
    sheetMenuShown = !sheetMenuShown
    if (sheetMenuShown) {
        sheetMenu.style.opacity = "1"
        sheetMenu.style.pointerEvents = "auto"
        sheetMenu.style.transform = "translate(-50%, -50%)"
    } else {
        sheetMenu.style.opacity = "0"
        sheetMenu.style.pointerEvents = "none"
        sheetMenu.style.transform = "translate(-50%, 150%)"
    }
}
//######==== Submit sheet logic ---------------
window.sheetinput = document.querySelector("#sheets textarea")
window.sheetinput.addEventListener("keydown", e => {
    if (e.key === "Enter") e.preventDefault()
})
window.sheetinput.addEventListener("input", () => {
    window.sheetinput.value = window.sheetinput.value.replace(/\n/g, "")
})
//######==== Autoplaying ----------------------
window.curSheet = ""
window.Trans = 0
window.Playing = false
window.currentIndex = 0
window.loadedSheet = []
window.addEventListener("keydown", e => {
    if ((e.key === "-" || e.key === "=" || e.key === "[" || e.key === "]" || e.key === ";" || e.key === "." || e.key === ",") && (window.Playing && window.loadedSheet.length && e.target === document.body)) {
        pressGroup(window.loadedSheet[window.currentIndex] || "")
        window.currentIndex = (window.currentIndex + 1) % window.loadedSheet.length
        window.thisAndThat()
    }
})
setInterval(() => {
    if (window.Playing) {
        window.sheetinput.scrollLeft = 0
        window.sheetinput.disabled = true
    } else {
        window.sheetinput.disabled = false
    }
}, 33)