mirror of
https://github.com/irv77/eaglercraft-mobile.git
synced 2024-11-21 21:26:04 -08:00
416 lines
19 KiB
JavaScript
416 lines
19 KiB
JavaScript
function isMobile() {
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try {
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document.createEvent("TouchEvent");
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return true;
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} catch (e) {
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return false;
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}
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}
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if (!isMobile()) { alert("WARNING: This script doesn't play well with non-mobile browsers. Proceed at your own risk!") };
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// Used for changing touchmove events to mousemove events
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var previousTouchX = null;
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var previousTouchY = null;
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// Key and mouse events
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function keyEvent(name, state) {
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const keyName = name.toUpperCase().charCodeAt(0)
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window.dispatchEvent(new KeyboardEvent(state, {
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key: name,
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keyCode: keyName,
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which: keyName
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}));
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}
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function shiftKeyEvent(state) {
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window.dispatchEvent(new KeyboardEvent(state, {
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keyCode: 16,
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which: 16
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}));
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}
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function mouseEvent(number, state, canvas) {
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canvas.dispatchEvent(new PointerEvent(state, { "button": number }))
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}
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function wheelEvent(canvas, delta) {
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canvas.dispatchEvent(new WheelEvent("wheel", {
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"wheelDeltaY": delta
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}));
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}
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function setButtonVisibility(pointerLocked) {
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let inGameStyle = document.getElementById('inGameStyle');
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let inMenuStyle = document.getElementById('inMenuStyle');
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inGameStyle.disabled = pointerLocked;
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inMenuStyle.disabled = !pointerLocked;
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}
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// POINTERLOCK
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// When requestpointerlock is called, this dispatches an event, saves the requested element to window.fakelock, and unhides the touch controls
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window.fakelock = null;
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Element.prototype.requestPointerLock = function () {
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window.fakelock = this
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document.dispatchEvent(new Event('pointerlockchange'));
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console.log("requested pointerlock")
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setButtonVisibility(true);
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return true
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}
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// Makes pointerLockElement return window.fakelock
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Object.defineProperty(document, "pointerLockElement", {
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get: function () {
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return window.fakelock;
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}
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});
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// When exitPointerLock is called, this dispatches an event, clears the
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document.exitPointerLock = function () {
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window.fakelock = null
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document.dispatchEvent(new Event('pointerlockchange'));
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setButtonVisibility(false);
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return true
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}
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// FULLSCREEN
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window.fakefull = null;
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// Stops the client from crashing when fullscreen is requested
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Element.prototype.requestFullscreen = function () {
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window.fakefull = this
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document.dispatchEvent(new Event('fullscreenchange'));
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return true
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}
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Object.defineProperty(document, "fullscreenElement", {
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get: function () {
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return window.fakefull;
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}
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});
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document.exitFullscreen = function () {
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window.fakefull = null
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document.dispatchEvent(new Event('fullscreenchange'));
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return true
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}
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// FILE UPLOADING
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// Safari doesn't recognize the element.click() used to display the file uplaoder as an action performed by the user, so it ignores it.
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// This hijacks the element.createElement() function to add the file upload to the DOM, so the user can manually press the button again.
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var oldCreate = document.createElement;
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document.createElement = function (type) {
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this.oldCreate = oldCreate;
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var element = this.oldCreate(type);
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if (type == "input") {
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var newElement = document.querySelector('input');
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if (!newElement) {
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this.body.appendChild(element);
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newElement = document.querySelector('input');
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newElement.addEventListener('change', function (e) {
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this.hidden = true;
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})
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}
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newElement.value = null;
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newElement.style.cssText = "position:absolute;left:0%;right:100%;top:0%;bottom:100%;width:100%;height:100%;background-color:rgba(255,255,255,0.5);";
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newElement.hidden = false;
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return newElement;
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}
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return this.oldCreate(type);
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}
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// CSS for touch screen buttons, along with fixing iOS's issues with 100vh ignoring the naviagtion bar, and actually disabling zoom because safari ignores user-scalable=no :(
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let customStyle = document.createElement("style");
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customStyle.textContent = `
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.mobileControl {
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position: absolute;
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width: 9vh;
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height: 9vh;
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font-size:4vh;
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-webkit-user-select: none;
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-ms-user-select: none;
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user-select: none;
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line-height: 0px;
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padding:0px;
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color: ##252525;
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text-shadow: 0.35vh 0.35vh #000000;
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box-sizing: content-box;
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image-rendering: pixelated;
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background: url(mobile/uiButtonCap.png) no-repeat right center, url(mobile/uiButton.png) no-repeat left center;
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background-size: contain, cover;
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outline:none;
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box-shadow: none;
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border: none;
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margin: 1vh;
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opacity: .5;
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font-weight: 900;
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}
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.mobileControl:active {
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opacity: .75;
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}
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.minicontrol {
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width: 7.5vh;
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height: 7.5vh;
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display: none;
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}
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.show {
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display: block;
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}
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.mini {
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width: 6vh;
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height: 6vh;
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margin: 1vh 0vh;
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}
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.crouchButton {
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background:url(mobile/uiCrouch.png) no-repeat center;
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background-size: contain, cover;
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}
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.crouchButton:active {
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background:url(mobile/uiCrouchSel.png) no-repeat center;
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background-size: contain, cover;
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}
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html, body {
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height: -webkit-fill-available !important;
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touch-action: pan-x pan-y;
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}
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`;
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document.documentElement.appendChild(customStyle);
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// Lazy way to hide touch controls through CSS.
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let inGameStyle = document.createElement("style");
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inGameStyle.id = "inGameStyle";
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inGameStyle.textContent = `
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.inGame {
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display: none;
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}`;
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document.documentElement.appendChild(inGameStyle);
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let inMenuStyle = document.createElement("style");
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inMenuStyle.id = "inMenuStyle";
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inMenuStyle.textContent = `
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.inMenu {
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display: none;
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}`;
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document.documentElement.appendChild(inMenuStyle);
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// The canvas is created by the client after it finishes unzipping and loading. When the canvas is created, this applies any necessary event listeners
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function waitForElm(selector) {
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return new Promise(resolve => {
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if (document.querySelector(selector)) {
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return resolve(document.querySelector(selector));
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}
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const observer = new MutationObserver(mutations => {
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if (document.querySelector(selector)) {
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observer.disconnect();
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resolve(document.querySelector(selector));
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}
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});
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observer.observe(document.documentElement, {
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childList: true,
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subtree: true
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});
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});
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}
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function createTouchButton(buttonClass, buttonDisplay, elementName) {
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var touchButton = document.createElement(elementName ?? 'button');
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touchButton.classList.add(buttonClass);
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touchButton.classList.add(buttonDisplay);
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touchButton.classList.add("mobileControl");
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touchButton.addEventListener("touchmove", function (e) { e.preventDefault() }, false);
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return touchButton;
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}
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waitForElm('canvas').then(() => { insertCanvasElements() });
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function insertCanvasElements() {
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// Translates touchmove events to mousemove events when inGame, and touchmove events to wheele events when inMenu
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var canvas = document.querySelector('canvas');
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canvas.addEventListener("touchmove", (e) => {
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const touch = e.targetTouches[0]; // We can get away with this because every other touch event will be on different elements
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if (!previousTouchX) {
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previousTouchX = touch.pageX;
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previousTouchY = touch.pageY;
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}
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e.movementX = touch.pageX - previousTouchX;
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e.movementY = touch.pageY - previousTouchY;
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var evt = window.fakelock ? new MouseEvent("mousemove", { movementX: e.movementX, movementY: e.movementY }) : new WheelEvent("wheel", { "wheelDeltaY": e.movementY });
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canvas.dispatchEvent(evt);
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previousTouchX = touch.pageX;
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previousTouchY = touch.pageY;
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event.preventDefault();
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}, false);
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canvas.addEventListener("touchend", (e) => {
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previousTouchX = null;
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previousTouchY = null;
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}, false)
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//Updates button visibility on load
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setButtonVisibility(window.fakelock != null);
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// Adds all of the touch screen controls
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// Theres probably a better way to do this but this works for now
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function Strafing(displayStrafe) {
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if (displayStrafe === true) {
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forwardLeftButton.classList.add("show")
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forwardRightButton.classList.add("show")
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}
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else if (displayStrafe === false) {
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forwardLeftButton.classList.remove("show")
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forwardRightButton.classList.remove("show")
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}
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}
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let forwardLeftButton = createTouchButton("forwardLeftButton", "inGame");
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forwardLeftButton.classList.add("minicontrol")
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forwardLeftButton.style.cssText = "left:5.5vh;bottom:22vh;background:url(mobile/uiUpLeft.png) no-repeat center;background-size: contain, cover;"
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forwardLeftButton.addEventListener("touchstart", function (e) { keyEvent("w", "keydown"), keyEvent("a", "keydown"), strafe = true }, false);
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forwardLeftButton.addEventListener("touchend", function (e) { keyEvent("w", "keyup"), keyEvent("a", "keyup"), Strafing(false), strafe = false }, false);
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forwardLeftButton.addEventListener("touchmove", function (e) { e.preventDefault() }, false);
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document.body.appendChild(forwardLeftButton);
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let forwardRightButton = createTouchButton("forwardRightButton", "inGame");
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forwardRightButton.classList.add("minicontrol")
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forwardRightButton.style.cssText = "left:24vh;bottom:22vh;background:url(mobile/uiUpRight.png) no-repeat center;background-size: contain, cover;"
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forwardRightButton.addEventListener("touchstart", function (e) { keyEvent("w", "keydown"), keyEvent("d", "keydown"), strafe = true }, false);
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forwardRightButton.addEventListener("touchend", function (e) { keyEvent("w", "keyup"), keyEvent("d", "keyup"), Strafing(false), strafe = false }, false);
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forwardRightButton.addEventListener("touchmove", function (e) { e.preventDefault() }, false);
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document.body.appendChild(forwardRightButton);
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let forwardButton = createTouchButton("forwardButton", "inGame");
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forwardButton.style.cssText = "left:14vh;bottom:22vh;background:url(mobile/uiUp.png) no-repeat center;background-size: contain, cover;"
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forwardButton.addEventListener("touchstart", function (e) { keyEvent("w", "keydown"), Strafing(true), strafe = false }, false);
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forwardButton.addEventListener("touchend", function (e) { if (strafe === false) { Strafing(false) } keyEvent("w", "keyup") }, false);
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forwardButton.addEventListener("touchmove", function (e) { e.preventDefault() }, false);
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document.body.appendChild(forwardButton);
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let rightButton = createTouchButton("rightButton", "inGame");
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rightButton.style.cssText = "left:24vh;bottom:12vh;background:url(mobile/uiRight.png) no-repeat center;background-size: contain, cover;"
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rightButton.addEventListener("touchstart", function (e) { keyEvent("d", "keydown") }, false);
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rightButton.addEventListener("touchend", function (e) { keyEvent("d", "keyup") }, false);
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rightButton.addEventListener("touchmove", function (e) { e.preventDefault() }, false);
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document.body.appendChild(rightButton);
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let leftButton = createTouchButton("leftButton", "inGame");
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leftButton.style.cssText = "left: 4vh; bottom:12vh;background:url(mobile/uiLeft.png) no-repeat center;background-size: contain, cover;"
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leftButton.addEventListener("touchstart", function (e) { keyEvent("a", "keydown") }, false);
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leftButton.addEventListener("touchend", function (e) { keyEvent("a", "keyup") }, false);
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leftButton.addEventListener("touchmove", function (e) { e.preventDefault() }, false);
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document.body.appendChild(leftButton);
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let backButton = createTouchButton("backButton", "inGame");
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backButton.style.cssText = "left:14vh;bottom:2vh;background:url(mobile/uiDown.png) no-repeat center;background-size: contain, cover;"
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backButton.addEventListener("touchstart", function (e) { keyEvent("s", "keydown") }, false);
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backButton.addEventListener("touchend", function (e) { keyEvent("s", "keyup") }, false);
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backButton.addEventListener("touchmove", function (e) { e.preventDefault() }, false);
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document.body.appendChild(backButton);
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let jumpButton = createTouchButton("jumpButton", "inGame");
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jumpButton.style.cssText = "right:20vh;bottom:20vh;background:url(mobile/uiJump.png) no-repeat center;background-size: contain, cover;"
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jumpButton.addEventListener("touchstart", function (e) { keyEvent(" ", "keydown") }, false);
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jumpButton.addEventListener("touchend", function (e) { keyEvent(" ", "keyup") }, false);
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jumpButton.addEventListener("touchmove", function (e) { e.preventDefault() }, false);
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document.body.appendChild(jumpButton);
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let crouchButton = createTouchButton("crouchButton", "inGame");
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crouchButton.style.cssText = "left:14vh;bottom:12vh;"
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crouchButton.addEventListener("touchstart", function (e) { shiftKeyEvent("keydown"), cshift = false }, false);
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crouchButton.addEventListener("touchend", function (e) { if (cshift === false) { shiftKeyEvent("keyup") } }, false);
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crouchButton.addEventListener("touchmove", function (e) { e.preventDefault() }, false);
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crouchButton.addEventListener("pointerdown", function (e) { ctimer = setTimeout(function (e) { shiftKeyEvent("keydown"), cshift = true }, 1000) }, false);
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crouchButton.addEventListener("pointerup", function (e) { clearTimeout(ctimer) }, false);
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document.body.appendChild(crouchButton);
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let inventoryButton = createTouchButton("inventoryButton", "inGame");
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inventoryButton.classList.add("mini")
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inventoryButton.style.cssText = "right:11.75vw;bottom:0vh;background:url(mobile/uiInventory.png) no-repeat center;background-size: contain, cover;"
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inventoryButton.addEventListener("touchstart", function (e) {
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window.inInventory = (window.fakelock != null)
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keyEvent("e", "keydown");
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}, false);
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inventoryButton.addEventListener("touchend", function (e) { keyEvent("e", "keyup") }, false);
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inventoryButton.addEventListener("touchmove", function (e) { e.preventDefault() }, false);
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document.body.appendChild(inventoryButton);
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let chatButton = createTouchButton("chatButton", "inGame");
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chatButton.classList.add("mini")
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chatButton.style.cssText = "left:44vw;top:0vh;background:url(mobile/uiChat.png) no-repeat center;background-size: contain, cover;"
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chatButton.addEventListener("touchstart", function (e) { keyEvent("t", "keydown") }, false);
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chatButton.addEventListener("touchmove", function (e) { e.preventDefault() }, false);
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document.body.appendChild(chatButton);
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let angleButton = createTouchButton("angleButton", "inGame");
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angleButton.classList.add("mini")
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angleButton.style.cssText = "left:53vw;top:0vh;background:url(mobile/uiAngle.png) no-repeat center;background-size: contain, cover;"
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angleButton.addEventListener("touchstart", function (e) { keyEvent("f", "keydown"), keyEvent("5", "keydown") }, false);
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angleButton.addEventListener("touchmove", function (e) { e.preventDefault() }, false);
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document.body.appendChild(angleButton);
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let exitButton = createTouchButton("exitButton", "inAll");
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exitButton.classList.add("mini")
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exitButton.style.cssText = "left:47vw;top:0vh;background:url(mobile/uiPause.png) no-repeat center;background-size: contain, cover;"
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exitButton.addEventListener("touchstart", function (e) { keyEvent("À", "keydown") }, false);
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exitButton.addEventListener("touchend", function (e) { keyEvent("À", "keyup") }, false);
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exitButton.addEventListener("touchmove", function (e) { e.preventDefault() }, false);
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document.body.appendChild(exitButton);
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let hiddenInput = document.createElement('input');
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hiddenInput.id = "hiddenInput"
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hiddenInput.style.cssText = "opacity:0;z-index:-99999";
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document.body.appendChild(hiddenInput);
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let keyboardButton = createTouchButton("keyboardButton", "inAll");
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keyboardButton.id = "keyboardButton"
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keyboardButton.classList.add("mini")
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keyboardButton.style.cssText = "left:50vw;top:0vh;background:url(mobile/uiKeyboard.png) no-repeat center;background-size: contain, cover;"
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keyboardButton.addEventListener("touchstart", function (e) { e.preventDefault(); hiddenInput.blur() }, false);
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keyboardButton.addEventListener("touchend", function (e) { hiddenInput.select() }, false);
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document.body.appendChild(keyboardButton);
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let sprintButton = createTouchButton("sprintButton", "inGame");
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sprintButton.style.cssText = "right:19vh;bottom:53vh;background:url(mobile/uiSprint.png) no-repeat center;background-size: contain, cover;"
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sprintButton.addEventListener("touchstart", function (e) { keyEvent("r", "keydown") }, false);
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sprintButton.addEventListener("touchend", function (e) { keyEvent("r", "keyup") }, false);
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sprintButton.addEventListener("touchmove", function (e) { e.preventDefault() }, false);
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document.body.appendChild(sprintButton);
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let placeButton = createTouchButton("placeButton", "inGame");
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placeButton.style.cssText = "right:6vh;bottom:37vh;background:url(mobile/uiInteract.png) no-repeat center;background-size: contain, cover;"
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placeButton.addEventListener("touchstart", function (e) { mouseEvent(2, "mousedown", canvas) }, false);
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placeButton.addEventListener("touchend", function (e) { mouseEvent(2, "mouseup", canvas) }, false);
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placeButton.addEventListener("touchmove", function (e) { e.preventDefault() }, false);
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document.body.appendChild(placeButton);
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let breakButton = createTouchButton("breakButton", "inGame");
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breakButton.style.cssText = "right:19vh;bottom:41vh;background:url(mobile/uiAttack.png) no-repeat center;background-size: contain, cover;"
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breakButton.addEventListener("touchstart", function (e) { mouseEvent(0, "mousedown", canvas) }, false);
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breakButton.addEventListener("touchend", function (e) { mouseEvent(0, "mouseup", canvas) }, false);
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breakButton.addEventListener("touchmove", function (e) { e.preventDefault() }, false);
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document.body.appendChild(breakButton);
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let selectButton = createTouchButton("selectButton", "inGame");
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selectButton.style.cssText = "right:6vh;bottom:49vh;background:url(mobile/uiSelector.png) no-repeat center;background-size: contain, cover;"
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selectButton.addEventListener("touchstart", function (e) { mouseEvent(1, "mousedown", canvas) }, false);
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selectButton.addEventListener("touchend", function (e) { mouseEvent(1, "mouseup", canvas) }, false);
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selectButton.addEventListener("touchmove", function (e) { e.preventDefault() }, false);
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document.body.appendChild(selectButton);
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let scrollUpButton = createTouchButton("scrollUpButton", "inGame");
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scrollUpButton.classList.add("mini")
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scrollUpButton.style.cssText = "right:5.25vw;bottom:0vh;background:url(mobile/uiSRight.png) no-repeat center;background-size: contain, cover;"
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scrollUpButton.addEventListener("touchstart", function (e) {
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canvas.dispatchEvent(new WheelEvent("wheel", { "wheelDeltaY": -10 }))
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}, false);
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scrollUpButton.addEventListener("touchmove", function (e) { e.preventDefault() }, false);
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document.body.appendChild(scrollUpButton);
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let scrollDownButton = createTouchButton("scrollDownButton", "inGame");
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scrollDownButton.classList.add("mini")
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scrollDownButton.style.cssText = "right:15vw;bottom:0vh;background:url(mobile/uiSLeft.png) no-repeat center;background-size: contain, cover;"
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scrollDownButton.addEventListener("touchstart", function (e) {
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canvas.dispatchEvent(new WheelEvent("wheel", { "wheelDeltaY": 10 }))
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}, false);
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scrollDownButton.addEventListener("touchmove", function (e) { e.preventDefault() }, false);
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document.body.appendChild(scrollDownButton);
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let throwButton = createTouchButton("throwButton", "inGame");
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throwButton.classList.add("mini")
|
|
throwButton.style.cssText = "right:8.5vw;bottom:0vh;background:url(mobile/uiDrop.png) no-repeat center;background-size: contain, cover;"
|
|
throwButton.addEventListener("touchstart", function (e) {
|
|
window.inInventory = (window.fakelock != null)
|
|
keyEvent("q", "keydown");
|
|
}, false);
|
|
throwButton.addEventListener("touchend", function (e) { keyEvent("q", "keyup") }, false);
|
|
throwButton.addEventListener("touchmove", function (e) { e.preventDefault() }, false);
|
|
document.body.appendChild(throwButton);
|
|
} |