VP sheet player

Paste or make your own sheet, then paste it!

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

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

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==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)