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main.js
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/*
* MIT License
*
* Copyright (c) 2021 Joshua Usi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
import * as Options from "./src/scripts/options.js"
import {AudioManager} from "./src/scripts/audioManager.js"
import * as Utils from "./src/scripts/utils.js"
import * as BeatmapFetcher from "./src/scripts/beatmapFetcher.js"
import * as BeatmapSelectionPane from "./src/scripts/beatmapSelectionPane.js"
import * as StandardGameplay from "./src/scripts/standardGameplay.js"
import * as IntroSequence from "./src/scripts/introSequence.js"
import * as DatabaseManager from "./src/scripts/databaseManager.js"
import * as Parser from "./src/scripts/parser.js"
import * as Formulas from "./src/scripts/formulas.js"
import * as ModsUI from "./src/scripts/modsUI.js"
import {Version} from "./src/scripts/version.js"
const audioManager = new AudioManager();
/* Audio effects loading */
audioManager.load("back-button-click", "./src/audio/effects/back-button-click.wav", "effects", true);
audioManager.load("menu-options-click", "./src/audio/effects/menu-options-click.wav", "effects", true);
audioManager.load("menu-freeplay-click", "./src/audio/effects/menu-freeplay-click.wav", "effects", true);
audioManager.load("menu-edit-click", "./src/audio/effects/menu-edit-click.wav", "effects", true);
audioManager.load("menu-direct-click", "./src/audio/effects/menu-direct-click.wav", "effects", true);
audioManager.load("menu-exit-click", "./src/audio/effects/menu-exit-click.wav", "effects", true);
audioManager.load("menu-hover", "./src/audio/effects/menu-hover.wav", "effects", true);
audioManager.load("check-on", "./src/audio/effects/check-on.wav", "effects", true);
audioManager.load("check-off", "./src/audio/effects/check-off.wav", "effects", true);
audioManager.load("settings-hover", "./src/audio/effects/settings-hover.wav", "effects", true);
audioManager.load("sliderbar", "./src/audio/effects/sliderbar.wav", "effects", true);
audioManager.load("menu-hit", "./src/audio/effects/menu-hit.wav", "effects", true);
/* Offline context checks, needed to ensure for some effects to work */
if (window.origin === null) {
console.warn("Due to CORS origin not being set correctly (you may running this via local files, use a webserver), beatmaps, audio, images, scores and skins will unable to be saved, the visualisers may also bug and file uploads will break");
}
if (!window.localStorage) {
throw new Error("LocalStorage is not supported on this browser. You will not be able to save your options");
}
if (!window.indexedDB) {
throw new Error("IndexedDB is not supported on your browser. You will not be able to save your beatmaps");
}
/* Set element version numbers */
let classes = document.getElementsByClassName("client-version");
for (let i = 0; i < classes.length; i++) {
classes[i].textContent = Version;
}
function clickGroup(element) {
let beatmapCache = JSON.parse(window.localStorage.getItem("beatmapCache"));
let details = element.getElementsByClassName("beatmap-selection-group-pane")[0];
let maps = element.getElementsByClassName("beatmap-selection-group-pane-maps")[0];
let mapsChildren = maps.getElementsByClassName("beatmap-selection-map-pane");
if (maps.style.display === "block") {
lastElementClicked = element;
maps.style.display = "none";
details.classList.remove("beatmap-selection-selected");
for (let i = 0; i < mapsChildren.length; i++) {
mapsChildren[i].classList.remove("beatmap-selection-selected");
}
} else {
clickMap(maps.getElementsByClassName("beatmap-selection-map-pane")[0], ModsUI.getMods());
let groups = document.getElementsByClassName("beatmap-selection-group");
for (let i = 0; i < groups.length; i++) {
groups[i].getElementsByClassName("beatmap-selection-group-pane-maps")[0].style.display = "none";
groups[i].getElementsByClassName("beatmap-selection-group-pane")[0].classList.remove("beatmap-selection-selected");
}
maps.style.display = "block";
document.getElementById("beatmap-selection-right").scrollTo(0, element.offsetTop - window.innerHeight / 2);
details.classList.add("beatmap-selection-selected");
for (let i = 0; i < mapsChildren.length; i++) {
mapsChildren[i].classList.add("beatmap-selection-selected");
}
let database = window.indexedDB.open("osw-database");
database.addEventListener("success", function(event) {
let database = event.target.result;
let audioObjectStore = DatabaseManager.getObjectStore(database, "audio", "readonly");
let audioRequest = audioObjectStore.get(details.getAttribute("data-audio-source"));
audioRequest.addEventListener("error", function(event) {
console.error(`Attempt to find query failed: ${event.target.error}`);
});
audioRequest.addEventListener("success", function(event) {
let fileExtension = Utils.extractFileExtension(event.target.result.name);
let menuAudio = document.getElementById("menu-audio");
menuAudio.src = `data:audio/${fileExtension};base64,${event.target.result.data}`;
menuAudio.currentTime = beatmapCache[parseInt(details.getAttribute("data-index"))].previewTime;
menuAudio.play();
});
});
}
logoBeatAccumulator.milliseconds = beatmapCache[parseInt(details.getAttribute("data-index"))].difficulties[0].beatLength;
}
function clickMap(element) {
let beatmapCache = JSON.parse(window.localStorage.getItem("beatmapCache"));
if (lastElementClicked != element) {
Utils.setDifficultyBars(beatmapCache[element.getAttribute("data-group-index")].difficulties[element.getAttribute("data-map-index")], ModsUI.getMods());
Utils.setStatisticValues(beatmapCache[element.getAttribute("data-group-index")], beatmapCache[element.getAttribute("data-group-index")].difficulties[element.getAttribute("data-map-index")], ModsUI.getMods());
document.getElementById("description-text").textContent = beatmapCache[element.getAttribute("data-group-index")].difficulties[element.getAttribute("data-map-index")].version;
document.getElementById("source-text").textContent = beatmapCache[element.getAttribute("data-group-index")].source;
document.getElementById("tags-text").textContent = beatmapCache[element.getAttribute("data-group-index")].tags;
let colour = Formulas.beatmapDifficultyColour(beatmapCache[element.getAttribute("data-group-index")].difficulties[element.getAttribute("data-map-index")].starRating);
document.getElementById("beatmap-image-difficulty-border").style.backgroundColor = colour;
document.getElementById("beatmap-image-difficulty-border-2").style.backgroundColor = colour;
document.getElementById("beatmap-selection-right").scrollTo(0, element.offsetTop - window.innerHeight / 2);
lastElementClicked = element;
if (element.getAttribute("data-image-filename") !== "") {
let database = window.indexedDB.open("osw-database");
database.addEventListener("success", function(event) {
let database = event.target.result;
let imageObjectStore = DatabaseManager.getObjectStore(database, "images", "readonly");
let imageRequest = imageObjectStore.get(element.getAttribute("data-image-filename"));
imageRequest.addEventListener("error", function(event) {
console.error(`Attempt to find query failed: ${event.target.error}`);
});
imageRequest.addEventListener("success", function(event) {
if (event.target.result) {
let fileExtension = Utils.extractFileExtension(event.target.result.name);
document.getElementById("beatmap-image").style.backgroundImage = `url("data:image/${fileExtension};base64,${event.target.result.data}")`;
document.getElementById("background").src = `data:image/${fileExtension};base64,${event.target.result.data}`;
document.getElementById("background").style.filter = `blur(${Utils.map(Options.getProperty("UserInterface", "backgroundBlur"), 0, 1, 0, 16)}px)`;
} else {
document.getElementById("beatmap-image").style.backgroundImage = `url("./src/images/osw-background.png")`;
document.getElementById("background").src = "./src/images/osw-background.png";
document.getElementById("background").style.filter = "blur(0)";
}
});
});
}
} else {
let database = window.indexedDB.open("osw-database");
database.addEventListener("success", function(event) {
let database = event.target.result;
let beatmapObjectStore = DatabaseManager.getObjectStore(database, "beatmaps", "readonly");
let beatmapRequest = beatmapObjectStore.get(beatmapCache[element.getAttribute("data-group-index")].difficulties[element.getAttribute("data-map-index")].databaseKey);
beatmapRequest.addEventListener("error", function(event) {
console.error(`Attempt to find query failed: ${event.target.error}`);
});
beatmapRequest.addEventListener("success", function(event) {
Utils.showWebpageStates(["webpage-state-gameplay"]);
Utils.hideWebpageStates(["webpage-state-menu", "webpage-state-beatmap-selection", "webpage-state-mods", "webpage-state-pause-screen", "webpage-state-fail-screen", "webpage-state-results-screen", "top-bar", "bottom-bar", ]);
/* hide sidenav */
document.getElementById("sidenav-left").style.width = "0";
document.getElementById("sidenav-left").style.opacity = "0.2";
menuAudio.pause();
/* reset audio time */
menuAudio.currentTime = 0;
StandardGameplay.play(event.target.result.data, event.target.result.name, ModsUI.getMods());
});
});
}
}
function chooseRandomMap() {
let groups = document.getElementsByClassName("beatmap-selection-group");
let visibleGroups = [];
for (let i = 0; i < groups.length; i++) {
if (groups[i].style.display !== "none") {
visibleGroups.push(groups[i]);
}
}
if (visibleGroups.length > 0) {
clickGroup(visibleGroups[Math.floor(Math.random() * visibleGroups.length)]);
}
}
let lastElementClicked;
/* event delegation - reduces event listeners */
document.getElementById("beatmap-selection-right").addEventListener("click", function(event) {
let parent = event.target;
/* find the highest beatmap group or beatmap pane from the click target */
while (parent.classList && parent.classList.contains("beatmap-selection-group") === false && parent.classList.contains("beatmap-selection-map-pane") === false) {
parent = parent.parentNode;
}
if (parent.classList) {
if (parent.classList.contains("beatmap-selection-group")) {
clickGroup(parent);
} else if (parent.classList.contains("beatmap-selection-map-pane")) {
clickMap(parent);
}
}
});
const CACHE_VERSION = 2;
/* if cache already exist, then use it, also check for changes in the star rating or beatmap version system */
if (localStorage.getItem("beatmapCache") && localStorage.getItem("beatmapCache") !== "[]" && parseInt(localStorage.getItem("beatmapCacheVersion")) === CACHE_VERSION && parseInt(localStorage.getItem("starRatingVersion")) === BeatmapFetcher.getStarRatingVersion()) {
/* Beatmap loading and adding to dom */
let cache = JSON.parse(window.localStorage.getItem("beatmapCache"));
if (cache === null) {
cache = [];
}
document.getElementById("beatmap-selection-right").innerHTML = BeatmapSelectionPane.generate(cache);
} else {
BeatmapFetcher.refresh();
BeatmapFetcher.onLoadingComplete(function() {
let loadedMaps = BeatmapFetcher.get();
/* Beatmap loading and adding to dom */
let cache = BeatmapFetcher.generate(loadedMaps);
if (cache.length > 0) {
window.localStorage.setItem("beatmapCache", JSON.stringify(cache));
window.localStorage.setItem("beatmapCacheVersion", JSON.stringify(CACHE_VERSION));
window.localStorage.setItem("starRatingVersion", JSON.stringify(BeatmapFetcher.getStarRatingVersion()));
}
document.getElementById("beatmap-selection-right").innerHTML = BeatmapSelectionPane.generate(cache);
});
}
function logoResetBeat() {
logo.style.transition = "width 0.25s, top 0.25s, left 0.25s, background-size 0.25s, filter 0.25s";
logo.style.backgroundSize = logoSize * logoSizeIncrease + "vh";
logo.style.width = logoSize * logoSizeIncrease + "vh";
logo.style.top = "calc(" + logoY + "vh - " + ((logoSize * logoSizeIncrease) / 2) + "vh)";
logo.style.left = "calc(" + logoX + "vw - " + ((logoSize * logoSizeIncrease) / 2) + "vh)";
logo.style.backgroundSize = logoSize * logoSizeIncrease + "vh";
logo.style.filter = "brightness(1)";
let leftBeat = document.getElementById("left-beat");
let rightBeat = document.getElementById("right-beat");
leftBeat.style.transition = "opacity 0.5s";
leftBeat.style.opacity = "0";
rightBeat.style.transition = "opacity 0.5s";
rightBeat.style.opacity = "0";
}
/* Initial menu song pool */
let menuAudio = document.getElementById("menu-audio");
menuAudio.addEventListener("play", function() {
beatNumber = 0;
logoBeatAccumulator.accumulator = 0;
audioCtx.resume();
});
menuAudio.addEventListener("ended", function() {
if (document.getElementById("webpage-state-menu").style.display === "block") {
chooseRandomMap();
} else if (document.getElementById("webpage-state-gameplay").style.display !== "block") {
this.play();
}
});
document.getElementById("body").appendChild(menuAudio);
let audioCtx = new AudioContext();
let analyser = audioCtx.createAnalyser();
analyser.fftSize = 128;
/* Safari doesn't like AudioContext, disabled on mobile devices, it does mean you lose some effects */
if (Utils.detectIfOnMobile() === false) {
let source = audioCtx.createMediaElementSource(menuAudio);
source.connect(analyser);
source.connect(audioCtx.destination);
}
let audioAnalyserData = new Uint8Array(analyser.frequencyBinCount);
let visualiserData = [];
let analyserLength = 128;
for (let i = 0; i < analyserLength; i++) {
visualiserData.push(0);
}
let visualiserOffset = 0;
let beatNumber = 0;
let logoSizeIncrease = 1.05;
/* Create audioVisualiser for audio visualiser */
let audioVisualiser = document.getElementById("audio-visualiser");
let logo = document.getElementById("logo");
let ctx = audioVisualiser.getContext("2d");
let isFirstClick = true;
let logoX = 55;
let logoY = 50;
let logoSize = 70;
let audioVisualiserSize = 1.6;
/* Beatmap Loading */
let pendingFileCount = 0;
let newBeatmapData = [];
let screenShowing = false;
/* Profiling letiables */
let recordedFramesPerSecond = [];
/* Accumulators */
let time = 0;
let previousTime = 0;
let gameplayRenderAccumulator = new Utils.Accumulator(StandardGameplay.render, 1000 / 60);
let logoBeatAccumulator = new Utils.Accumulator(function() {
/* logo pulse */
logo.style.transition = "width 0.05s, top 0.05s, left 0.05s, background-size 0.05s, filter 0.05s";
logo.style.width = logoSize + "vh";
logo.style.top = "calc(" + logoY + "vh - " + logoSize / 2 + "vh)";
logo.style.left = "calc(" + logoX + "vw - " + logoSize / 2 + "vh)";
logo.style.backgroundSize = logoSize + "vh";
logo.style.filter = "brightness(1.25)";
if (beatNumber % 2 === 0 || beatNumber % 4 === 0) {
let leftBeat = document.getElementById("left-beat");
leftBeat.style.transition = "opacity 0.05s";
leftBeat.style.opacity = "1";
}
if (beatNumber % 2 === 1 || beatNumber % 4 === 0) {
let rightBeat = document.getElementById("right-beat");
rightBeat.style.transition = "opacity 0.05s";
rightBeat.style.opacity = "1";
}
beatNumber++;
/* snow only in december, maximum 50 to prevent lag */
/* last tested:
*
* 27/12/2020, works
* 9/01/2021, works
*/
if (new Date().getMonth() === 11 && document.getElementById("snow").getElementsByTagName("img").length <= 50) {
let snowflake = document.createElement("img");
snowflake.src = "./src/images/snowflake.png";
snowflake.style.position = "fixed";
snowflake.style.width = Math.random() * 2 + 1 + "vh";
snowflake.style.top = "-10vh";
snowflake.style.left = Math.random() * 100 + "vw";
snowflake.style.opacity = 0.4;
snowflake.style.zIndex = -5;
document.getElementById("snow").appendChild(snowflake);
}
setTimeout(logoResetBeat, 4000 / 60);
}, 375);
window.addEventListener("error", function(event) {
console.log(event);
let p = document.createElement("p");
p.innerHTML = `${event.error} <br> in file ${event.filename.replace(location.href, "")} @ ${event.colno}:${event.lineno}`;
document.getElementById("sidenav-notifications").appendChild(p);
document.getElementById("sidenav-right").style.width = "25vw";
document.getElementById("sidenav-right").style.opacity = 1;
});
/* Event Listeners */
window.addEventListener("click", function(event) {
if (event.target.classList.contains("close-btn")) {
let currentElement = event.target;
while (currentElement.classList.contains("sidenav") === false) {
currentElement = currentElement.parentNode;
}
currentElement.style.width = "0";
currentElement.style.opacity = "0.2";
audioManager.play("back-button-click");
}
if (isFirstClick && document.readyState === "complete") {
document.getElementById("splash-screen").style.opacity = 0;
IntroSequence.start();
menuAudio.src = "src/audio/cYsmix - Triangles.mp3";
menuAudio.volume = (document.getElementById("settings-master-volume").value / 100) * (document.getElementById("settings-music-volume").value / 100);
menuAudio.play();
isFirstClick = false;
time = Date.now();
previousTime = time;
(function animate() {
if (pendingFileCount === 0 && screenShowing) {
Utils.hideWebpageStates(["webpage-state-loading-maps"]);
screenShowing = false;
if (newBeatmapData.length > 0) {
let cache = JSON.parse(window.localStorage.getItem("beatmapCache"));
if (cache === null) {
cache = [];
}
for (let i = 0; i < newBeatmapData.length; i++) {
cache.push(newBeatmapData[i]);
}
newBeatmapData = [];
window.localStorage.setItem("beatmapCache", JSON.stringify(cache));
document.getElementById("beatmap-selection-right").innerHTML = BeatmapSelectionPane.generate(cache);
}
} else if (pendingFileCount > 0 && screenShowing === false) {
Utils.showWebpageStates(["webpage-state-loading-maps"]);
screenShowing = true;
}
if ((document.getElementById("webpage-state-gameplay").style.display === "none" || document.getElementById("webpage-state-gameplay").style.display === "")) {
/* triangle background moves */
let triangleBackgroundMoves = document.getElementsByClassName("triangle-background");
for (let i = 0; i < triangleBackgroundMoves.length; i++) {
if (triangleBackgroundMoves[i].style.display !== "none") {
triangleBackgroundMoves[i].style.backgroundPositionY = -window.performance.now() / 50 + "px";
}
}
/* beat detection */
audioAnalyserData = new Uint8Array(analyser.frequencyBinCount);
analyser.getByteFrequencyData(audioAnalyserData); // passing our Uint audioAnalyserData array
audioAnalyserData = [...audioAnalyserData];
visualiserOffset += 12;
ctx.clearRect(0, 0, audioVisualiser.width, audioVisualiser.height);
if (logoSize === 70) {
ctx.lineWidth = window.innerHeight * 0.01;
} else {
ctx.lineWidth = window.innerHeight * 0.007;
}
ctx.beginPath();
ctx.strokeStyle = "#fff2";
for (let i = 0; i < visualiserData.length; i++) {
let l = (i * 4 * 5 + visualiserOffset) % (visualiserData.length * 4);
if (visualiserData[i] < audioAnalyserData[l]) {
visualiserData[i] += audioAnalyserData[l] / 8 * (255 / (l + 64) - 0.25);
} else {
visualiserData[i] *= 0.98;
}
/* do not render visualiser lines that are too short*/
if (visualiserData[i] < 80) {
continue;
}
let mag = (visualiserData[i] ** 1.6 / (255 ** 0.7) + 100);
let angle = Utils.map(i, 0, visualiserData.length, Math.PI, 3 * Math.PI);
/* optimised rendering by not rendering parts of lines that are unseen */
ctx.moveTo(audioVisualiser.width / 2 + Math.sin(angle) * audioVisualiser.width / 4, audioVisualiser.height / 2 + Math.cos(angle) * audioVisualiser.height / 4);
ctx.lineTo(audioVisualiser.width / 2 + Math.sin(angle) * Utils.map(mag, 0, 255, 0, audioVisualiser.width / 2), audioVisualiser.height / 2 + Math.cos(angle) * Utils.map(mag, 0, 255, 0, audioVisualiser.width / 2));
}
ctx.stroke();
/* beat detection */
if (new Date().getMonth() === 11) {
let snow = document.getElementById("snow").getElementsByTagName("img");
for (let i = 0; i < snow.length; i++) {
if (parseFloat(snow[i].style.top) >= 100) {
snow[i].remove();
continue;
}
snow[i].style.top = parseFloat(snow[i].style.top) + parseFloat(snow[i].style.width) / 10 + "vh";
snow[i].style.left = parseFloat(snow[i].style.left) + Math.sin(parseFloat(snow[i].style.width) * 9 + parseFloat(snow[i].style.top) / 10) / 25 + "vw";
snow[i].style.transform = "rotate(" + parseFloat(snow[i].style.top) * parseFloat(snow[i].style.width) + "deg)";
}
}
}
/* Profiling */
const now = Date.now();
while (recordedFramesPerSecond.length > 0 && recordedFramesPerSecond[0] <= now - 1000) {
recordedFramesPerSecond.shift();
}
recordedFramesPerSecond.push(now);
/* Update frame counter */
let frameCounter = document.getElementById("frame-rate");
frameCounter.textContent = recordedFramesPerSecond.length
switch (Options.getProperty("Performance", "maxFrameRate")) {
case "VSync":
frameCounter.textContent += " / 60fps";
break;
case "2x VSync":
frameCounter.textContent += " / 120fps";
break;
case "Browser maximum (250fps)":
frameCounter.textContent += " / 250fps";
break;
}
if (recordedFramesPerSecond.length > 60) {
frameCounter.style.background = "#6d9eeb";
} else if (recordedFramesPerSecond.length > 45) {
frameCounter.style.background = "#39e639";
} else if (recordedFramesPerSecond.length > 20) {
frameCounter.style.background = "#ffa500";
} else {
frameCounter.style.background = "#B00020";
}
let maxFramerate = Options.getProperty("Performance", "maxFrameRate");
if (maxFramerate === "VSync") {
gameplayRenderAccumulator.milliseconds = 1000 / 60;
} else if (maxFramerate === "2x VSync") {
gameplayRenderAccumulator.milliseconds = 1000 / 120;
} else if (maxFramerate === "Browser maximum (250fps)") {
gameplayRenderAccumulator.milliseconds = 1000 / 250;
}
if (StandardGameplay.isRunning()) {
StandardGameplay.tick();
gameplayRenderAccumulator.tick(time - previousTime);
}
if (logoBeatAccumulator && menuAudio.paused === false) {
logoBeatAccumulator.tick(time - previousTime);
} else {
logoResetBeat();
}
if (Options.getProperty("Maintainence", "developerMode")) {
/* each character is 2 bytes according to utf-16, therefore multiply string length by 2 to get amount in bytes */
navigator.storage.estimate().then(function(estimate) {
document.getElementById("developer-mode-details").innerHTML = `
<p>Beatmap cache size: ${(localStorage.getItem("beatmapCache")) ? ((localStorage.getItem("beatmapCache").length * 2 / 1024).toFixed(2)) : 0} / 5000KB</p>
<p>IndexedDB size: ${(estimate.usageDetails.indexedDB / (1024 ** 2)).toFixed(2)} / ${(estimate.quota / (1024 ** 2)).toFixed(2)}MB</p>
<p>Total HTML elements: ${document.querySelectorAll("*").length} nodes</p>
`;
});
} else {
document.getElementById("developer-mode-details").innerHTML = "";
}
previousTime = time;
time = Date.now();
if (StandardGameplay.isRunning()) {
setTimeout(animate, 0);
} else {
requestAnimationFrame(animate);
}
})();
}
});
window.addEventListener("mousemove", function(mouse) {
if (Options.getProperty("UserInterface", "menuParallax") && (document.getElementById("webpage-state-gameplay").style.display === "none" || document.getElementById("webpage-state-gameplay").style.display === "")) {
let backgroundImageParallax = document.getElementById("background-dim");
let menuParallax = document.getElementById("menu-parallax");
backgroundImageParallax.style.top = (mouse.y - window.innerHeight * 0.5) / 128 - window.innerHeight * 0.05 + "px";
backgroundImageParallax.style.left = (mouse.x - window.innerWidth * 0.5) / 128 - window.innerWidth * 0.05 + "px";
menuParallax.style.top = "calc(5vh + " + ((mouse.y - window.innerHeight * 0.5) / 256 - window.innerHeight * 0.05) + "px)";
menuParallax.style.left = "calc(" + ((mouse.x - window.innerWidth * 0.5) / 256 - window.innerWidth * 0.05) + "px)";
}
});
/* Omnipotent web listeners */
window.addEventListener("resize", function() {
menuResize();
window.dispatchEvent(new CustomEvent("orientationchange"));
});
window.addEventListener("load", function() {
menuResize();
let paragraphElements = document.getElementById("splash-screen").getElementsByTagName("p");
let imageElements = document.getElementById("splash-screen").getElementsByTagName("img");
for (let i = 0; i < paragraphElements.length; i++) {
paragraphElements[i].style.animation = "splash-screen-text forwards 1s";
if (paragraphElements[i].id === "splash-screen-warning") {
paragraphElements[i].style.animation = "splash-screen-text-2 forwards 1s";
}
}
for (let i = 0; i < imageElements.length; i++) {
imageElements[i].style.opacity = "1";
}
document.getElementById("splash-screen").style.animationDuration = "1s";
document.getElementById("splash-screen").style.animationDelay = "1s";
document.getElementById("heart-loader").style.display = "none";
/* set the settings */
let userOptions = Options.get();
let index = 0;
for (let group in userOptions) {
if (userOptions.hasOwnProperty(group) && typeof(userOptions[group]) === "object") {
for (let setting in userOptions[group]) {
if (userOptions[group].hasOwnProperty(setting)) {
let element = document.getElementById("settings-" + Utils.camelCaseToDash(setting));
switch (Options.getTypes()[index]) {
case "slider":
let mapped = Utils.map(userOptions[group][setting], 0, 1, element.min, element.max);
/* is weird, idk, quick patch */
if (setting === "sliderResolution") {
mapped = Utils.map(mapped, 10, 14, 1, 5);
}
element.value = Math.round(mapped);
element.dispatchEvent(new CustomEvent("input", {detail: true,}));
break;
case "checkbox":
element.checked = userOptions[group][setting];
break;
case "selectbox":
element.getElementsByClassName("select-box-selected")[0].textContent = userOptions[group][setting];
break;
case "text":
element.textContent = userOptions[group][setting];
break;
}
index++;
}
}
}
}
});
// window.addEventListener("blur", function() {
// if (document.getElementById("webpage-state-gameplay").style.display === "block" && document.getElementById("webpage-state-fail-screen").style.display === "none") {
// Utils.showWebpageStates(["webpage-state-pause-screen"]);
// StandardGameplay.pause();
// }
// });
/* Top bar event listeners */
document.getElementById("top-bar").addEventListener("mouseenter", function() {
document.getElementById("background-dim").style.filter = "brightness(0.5)";
});
document.getElementById("top-bar").addEventListener("mouseleave", function() {
document.getElementById("background-dim").style.filter = "brightness(1)";
});
/* Sidenav event listener */
document.getElementById("settings-icon").addEventListener("click", function() {
document.getElementById("menu-bar-settings").dispatchEvent(new CustomEvent("click"));
});
document.getElementById("notifications-icon").addEventListener("click", function() {
document.getElementById("sidenav-right").style.width = "25vw";
document.getElementById("sidenav-right").style.opacity = 1;
audioManager.play("menu-options-click");
});
/* Menu bar buttons listeners */
let buttons = document.getElementsByClassName("menu-bar-buttons-parent");
for (let i = 0; i < buttons.length; i++) {
buttons[i].addEventListener("click", function() {
switch (this.id) {
case "menu-bar-settings":
audioManager.play("menu-options-click");
break;
case "menu-bar-play":
audioManager.play("menu-freeplay-click");
break;
case "menu-bar-edit":
audioManager.play("menu-edit-click");
break;
case "menu-bar-direct":
audioManager.play("menu-direct-click");
break;
case "menu-bar-exit":
audioManager.play("menu-exit-click");
break;
}
});
buttons[i].addEventListener("mouseenter", function() {
let icon = this.getElementsByClassName("menu-bar-buttons-icon")[0];
let image = this.getElementsByClassName("menu-bar-image-move")[0];
icon.classList.add("menu-bar-buttons-icon-animation");
image.classList.add("menu-bar-image-move-animation");
if (logoBeatAccumulator.milliseconds !== parseFloat(image.style.animationDuration)) {
icon.style.animationDuration = logoBeatAccumulator.milliseconds * 4 + "ms";
image.style.animationDuration = logoBeatAccumulator.milliseconds + "ms";
}
audioManager.play("menu-hover");
});
buttons[i].addEventListener("mouseleave", function() {
this.getElementsByClassName("menu-bar-buttons-icon")[0].classList.remove("menu-bar-buttons-icon-animation");
this.getElementsByClassName("menu-bar-image-move")[0].classList.remove("menu-bar-image-move-animation");
});
}
/* All checkboxes listeners */
let checkbox = document.getElementsByClassName("checkbox");
for (let i = 0; i < checkbox.length; i++) {
checkbox[i].addEventListener("change", function() {
if (this.checked) {
audioManager.play("check-on");
} else {
audioManager.play("check-off");
}
saveSettings();
});
checkbox[i].addEventListener("mouseenter", function() {
audioManager.play("settings-hover");
});
}
/* All range slider listeners */
let sliders = document.getElementsByClassName("slider");
for (let i = 0; i < sliders.length; i++) {
sliders[i].addEventListener("input", function(event) {
this.style.background = "linear-gradient(to right, #FD67AE 0%, #FD67AE " + Utils.map(this.value, this.min, this.max, 0, 100) + "%, #7e3c57 " + Utils.map(this.value, this.min, this.max, 0, 100) + "%, #7e3c57 100%)";
if (event.detail) {
return;
}
audioManager.play("sliderbar");
saveSettings();
});
sliders[i].addEventListener("mouseenter", function() {
audioManager.play("settings-hover");
});
}
/* All selectbox listeners */
let selectBoxes = document.getElementsByClassName("select-box");
for (let i = 0; i < selectBoxes.length; i++) {
let selectBoxSelections = selectBoxes[i].getElementsByClassName("select-box-selections")[0];
let selections = selectBoxSelections.getElementsByTagName("p");
for (let j = 0; j < selections.length; j++) {
selections[j].addEventListener("click", function() {
let selections = this.parentNode.getElementsByTagName("p");
for (let k = 0; k < selections.length; k++) {
if (selections[k] === this) {
selections[k].setAttribute("class", "selected");
} else {
selections[k].setAttribute("class", "");
}
}
this.parentNode.parentNode.getElementsByClassName("select-box-selected")[0].textContent = this.textContent;
saveSettings();
});
}
selectBoxSelections.style.height = "auto";
selectBoxSelections.style.cacheHeight = parseFloat(document.defaultView.getComputedStyle(selectBoxSelections).height) / window.innerHeight * 100;
selectBoxSelections.style.height = 0;
selectBoxes[i].addEventListener("click", function() {
let selectBoxSelections = this.getElementsByClassName("select-box-selections")[0];
if (selectBoxSelections.style.height === "0px" || selectBoxSelections.style.height === "") {
selectBoxSelections.style.height = "calc(" + selectBoxSelections.style.cacheHeight + "vh + 1px)";
selectBoxSelections.style.opacity = 1;
} else {
selectBoxSelections.style.height = 0;
selectBoxSelections.style.opacity = 0;
}
});
selectBoxes[i].addEventListener("mouseenter", function() {
audioManager.play("settings-hover");
});
}
/* Specific menu bar button listeners */
document.getElementById("menu-bar-settings").addEventListener("click", function() {
document.getElementById("sidenav-left").style.width = "27.5vw";
document.getElementById("sidenav-left").style.opacity = 1;
});
document.getElementById("menu-bar-exit").addEventListener("click", function() {
document.getElementById("sidenav-left").style.width = "0";
document.getElementById("sidenav-left").style.opacity = 0;
setTimeout(function() {
window.close();
}, 4000);
function reduceVolume() {
let volume = menuAudio.volume;
volume -= 0.05;
if (volume < 0) {
volume = 0;
}
menuAudio.volume = volume;
if (menuAudio.volume > 0) {
requestAnimationFrame(reduceVolume);
}
}
reduceVolume();
resetMenu();
logo.style.background = "none";
logo.style.backgroundColor = "#000";
document.getElementById("goodbye").style.zIndex = 10000;
document.getElementById("goodbye").style.opacity = 1;
});
/* Specific checkbox listeners */
document.getElementById("settings-show-fps").addEventListener("input", function() {
if (this.checked) {
document.getElementById("frame-rate").style.opacity = 1;
} else {
document.getElementById("frame-rate").style.opacity = 0;
}
});
/* Specific range slider listeners */
document.getElementById("settings-master-volume").addEventListener("input", function(event) {
document.getElementById("settings-master-volume-text").textContent = "Master volume: " + this.value + "%";
menuAudio.volume = (document.getElementById("settings-master-volume").value / 100) * (document.getElementById("settings-music-volume").value / 100);
audioManager.setMasterVolume(this.value / 100);
});
document.getElementById("settings-music-volume").addEventListener("input", function(event) {
document.getElementById("settings-music-volume-text").textContent = "Music volume: " + this.value + "%";
menuAudio.volume = (document.getElementById("settings-master-volume").value / 100) * (document.getElementById("settings-music-volume").value / 100);
audioManager.setMusicVolume(this.value / 100);
});
document.getElementById("settings-effects-volume").addEventListener("input", function(event) {
document.getElementById("settings-effects-volume-text").textContent = "Effects volume: " + this.value + "%";
audioManager.setEffectsVolume(this.value / 100);
});
document.getElementById("settings-mouse-sensitivity").addEventListener("input", function(event) {
document.getElementById("settings-mouse-sensitivity-text").textContent = "Mouse sensitivity: " + (this.value / 100).toFixed(2) + "x";
});
document.getElementById("settings-background-dim").addEventListener("input", function(event) {
document.getElementById("settings-background-dim-text").textContent = "Background dim: " + this.value + "%";
});
document.getElementById("settings-background-blur").addEventListener("input", function(event) {
document.getElementById("settings-background-blur-text").textContent = "Background blur: " + this.value + "px";
if (document.getElementById("background").src.includes("osw-background.png") === false) {
document.getElementById("background").style.filter = `blur(${this.value}px)`;
}
});
document.getElementById("settings-slider-resolution").addEventListener("input", function() {
let resolutions = [
"Full",
"Half",
"Quarter",
"Eighth",
"Sixteenth",
];
document.getElementById("settings-slider-resolution-text").textContent = "Slider resolution: " + resolutions[this.value - 1];
});
/* Settings button listeners */
document.getElementById("settings-button-clear-options").addEventListener("click", function() {
if (window.confirm("Are you sure you want to clear your options?")) {
window.localStorage.removeItem("options");
window.alert("options cleared, the webpage will now refresh");
window.location.reload();
}
});
document.getElementById("settings-button-delete-beatmap-cache").addEventListener("click", function() {
window.localStorage.removeItem("beatmapCache");
window.alert("beatmap cache cleared, the webpage will now refresh");
window.location.reload();
});
document.getElementById("settings-button-delete-all-beatmaps").addEventListener("click", function() {
if (window.confirm("Are you sure you want to delete all beatmaps? this option is not undoable")) {
let database = window.indexedDB.open("osw-database");
window.localStorage.removeItem("beatmapCache");
window.localStorage.removeItem("loadedOSZ");
database.addEventListener("success", function(event) {
let database = event.target.result;
const toDelete = ["beatmaps", "audio", "images"];
for (let i = 0; i < toDelete.length; i++) {
let transaction = database.transaction(toDelete[i], "readwrite");
let objectStore = transaction.objectStore(toDelete[i]);
let objectStoreRequest = objectStore.clear();
if (i >= toDelete.length - 1) {
objectStoreRequest.addEventListener("success", function() {
window.alert("all beatmaps deleted, the webpage will now refresh");
location.reload();
});
}
}
});
database.addEventListener("error", function(event) {
console.error(`Attempt to open database failed: ${event.target.error}`);
});
}
});
/* logo listener */
document.getElementById("logo").addEventListener("click", function() {
audioManager.play("menu-hit");
logoX = 35;
logoY = 50;
logoSize = 25;
menuResize();
let menuBar = document.getElementById("menu-bar");
menuBar.style.visibility = "visible";
menuBar.style.opacity = 1;
let menuBarButtons = document.getElementsByClassName("menu-bar-buttons-parent");
for (let i = 0; i < menuBarButtons.length; i++) {
menuBarButtons[i].style.paddingTop = "5vh";
menuBarButtons[i].style.paddingBottom = "5vh";
}
menuBar.style.top = "calc(50vh - 5vh * 1.5)";
clearTimeout(menuTimeout);
menuTimeout = setTimeout(resetMenu, 15000);
});
document.getElementById("menu-bar-play").addEventListener("click", function() {
Utils.showWebpageStates(["webpage-state-beatmap-selection", "webpage-state-mods", "bottom-bar", ]);
Utils.hideWebpageStates(["webpage-state-menu"]);
/* hide sidenav */
document.getElementById("sidenav-left").style.width = "0";
document.getElementById("sidenav-left").style.opacity = "0.2";
chooseRandomMap();
});
/* Helper */
let menuTimeout;
function menuResize() {
logo.style.width = logoSize + "vh";
logo.style.top = "calc(" + logoY + "vh - " + logoSize / 2 + "vh)";
logo.style.left = "calc(" + logoX + "vw - " + logoSize / 2 + "vh)";
logo.style.backgroundSize = logoSize + "vh";
audioVisualiser.width = (logoSize / 100) * audioVisualiserSize * window.innerHeight;
audioVisualiser.height = (logoSize / 100) * audioVisualiserSize * window.innerHeight;
audioVisualiser.style.width = logoSize * audioVisualiserSize + "vh";
audioVisualiser.style.height = logoSize * audioVisualiserSize + "vh";
audioVisualiser.style.top = "calc(" + logoY + "vh - " + (logoSize * audioVisualiserSize / 2) + "vh)";
audioVisualiser.style.left = "calc(" + logoX + "vw - " + (logoSize * audioVisualiserSize / 2) + "vh)";
}
function resetMenu() {
logoX = 55;
logoY = 50;
logoSize = 70;
menuResize();
let menuBar = document.getElementById("menu-bar");
menuBar.style.opacity = 0;
menuBar.style.top = "50vh";
menuBar.style.visibility = "hidden";
let menuBarButtons = document.getElementsByClassName("menu-bar-buttons-parent");
for (let i = 0; i < menuBarButtons.length; i++) {
menuBarButtons[i].style.paddingTop = 0;
menuBarButtons[i].style.paddingBottom = 0;
}
}
function saveSettings() {
let index = 0;
let userOptions = Options.get();
for (let group in userOptions) {
if (userOptions.hasOwnProperty(group) && typeof(userOptions[group]) === "object") {
for (let setting in userOptions[group]) {
if (userOptions[group].hasOwnProperty(setting)) {
let element = document.getElementById("settings-" + Utils.camelCaseToDash(setting));
switch (Options.getTypes()[index]) {
case "slider":
Options.update(group, setting, Utils.map(element.value, element.min, element.max, 0, 1));
break;
case "checkbox":
Options.update(group, setting, element.checked);
break;
case "selectbox":
Options.update(group, setting, element.getElementsByClassName("select-box-selected")[0].textContent);
break;
case "text":
Options.update(group, setting, element.textContent);
break;
}
index++;
}
}
}
}
Options.save();
}
window.addEventListener("orientationchange", function(event) {
/* osw! only allows horizontal screens */
if (event.target) {
if (window.innerWidth < window.innerHeight) {
document.getElementById("orientation-vertical").style.display = "block";
} else {
document.getElementById("orientation-vertical").style.display = "none";
}
}
});
document.body.addEventListener("touchmove", function(e) {
e.preventDefault();
}, {
passive: false
});
window.addEventListener("keydown", function(e) {
if (e.keyCode === 9) {
e.preventDefault();
}
});
document.getElementById("back-button").addEventListener("click", function() {
audioManager.play("back-button-click");
if (ModsUI.isOpen()) {
ModsUI.closeModsUI();
} else {
if (document.getElementById("webpage-state-results-screen").style.display === "block") {
Utils.showWebpageStates(["webpage-state-beatmap-selection", "webpage-state-mods", "top-bar", ]);
Utils.hideWebpageStates(["webpage-state-results-screen", ]);
} else {
Utils.showWebpageStates(["webpage-state-menu", ]);
Utils.hideWebpageStates(["webpage-state-mods", "webpage-state-beatmap-selection", "bottom-bar", ]);
}
}
menuAudio.play();
});
document.getElementById("back-button").addEventListener("mouseenter", function() {
audioManager.play("menu-hover");
});
document.getElementById("pause-menu-continue").addEventListener("click", function() {
StandardGameplay.continuePlaying();
Utils.hideWebpageStates(["webpage-state-pause-screen", "webpage-state-fail-screen", ]);
});
function retry() {
StandardGameplay.retry();
Utils.hideWebpageStates(["webpage-state-pause-screen", "webpage-state-fail-screen", ]);
}
document.getElementById("pause-menu-retry").addEventListener("click", retry);
document.getElementById("fail-menu-retry").addEventListener("click", retry);
function quit() {
menuAudio.playbackRate = 1;
menuAudio.play();
Utils.showWebpageStates(["webpage-state-beatmap-selection", "webpage-state-mods", "top-bar", "bottom-bar", ]);
Utils.hideWebpageStates(["webpage-state-gameplay", "webpage-state-pause-screen", "webpage-state-fail-screen", ]);
}
document.getElementById("pause-menu-quit").addEventListener("click", quit);
document.getElementById("fail-menu-quit").addEventListener("click", quit);
document.getElementById("upload-beatmap").addEventListener("change", function() {
for (let i = 0; i < this.files.length; i++) {
let cache = JSON.parse(window.localStorage.getItem("loadedOSZ"));
if (cache === null) {
cache = [];
}
if (cache.includes(this.files[i].name)) {
continue;
} else {
cache.push(this.files[i].name);
window.localStorage.setItem("loadedOSZ", JSON.stringify(cache));
}
let fileReader = new FileReader();
fileReader.addEventListener("load", function(event) {
let new_zip = new JSZip();
new_zip.loadAsync(event.target.result).then(function(zip) {
let uniqueIdentifier;
let backgroundNames = [];
let audioNames = [];
let beatmapFiles = [];
let audioFiles = [];
let imageFiles = [];
/* split the files into beatmaps, audio files and images */
for (let key in zip.files) {
let fileExtension = Utils.extractFileExtension(key);
if (["ogg", "mp3", "wav"].includes(fileExtension)) {
audioFiles.push(key);
pendingFileCount++;
} else if (["osu"].includes(fileExtension)) {
beatmapFiles.push(key);
pendingFileCount++;
} else if (["jpg", "jpeg", "png"].includes(fileExtension)) {
imageFiles.push(key);
pendingFileCount++;
}
}
/* first process beatmaps*/
let mapSet = [];
for (let j = 0; j < beatmapFiles.length; j++) {
zip.files[beatmapFiles[j]].async("string").then(function(content) {
let parsedMap = Parser.parseBeatmap(content);
if (parsedMap.Mode === 0) {
if (uniqueIdentifier === undefined) {
uniqueIdentifier = parsedMap.Creator + parsedMap.Title;
}
if (parsedMap.background) {
backgroundNames.push(parsedMap.background.filename);
}
if (parsedMap.AudioFilename) {
audioNames.push(parsedMap.AudioFilename);
}
let map = {
name: beatmapFiles[j],
data: parsedMap,
};