irv77-eaglercraft-mobile/demo/mobile/mobile.js
2024-05-28 21:49:44 -05:00

365 lines
15 KiB
JavaScript

// ==UserScript==
// @name Eagler Mobile
// @description Allows eaglercraft to run on mobile, adds touch controls, and fixes a few mobile-related crashes
// @author FlamedDogo99
// @namespace http://github.com/FlamedDogo99
// @downloadURL https://raw.githubusercontent.com/FlamedDogo99/EaglerMobile/main/eaglermobile.js
// @license Apache License 2.0 - http://www.apache.org/licenses/
// @match https://eaglercraft.com/mc/*
// @grant none
// @version 1.1
// @updateURL https://raw.githubusercontent.com/FlamedDogo99/EaglerMobile/main/eaglermobile.js
// @run-at document-start
// ==/UserScript==
// Hides inventory button
window.inInventory = false;
// Used for changing touchmove events to mousemove events
var previousX = null;
var previousY = null;
// Key and mouse events
function keyEvent(name, state) {
const keyName = name.toUpperCase().charCodeAt(0)
window.dispatchEvent(new KeyboardEvent(state, {
key: name,
keyCode: keyName,
which: keyName
}));
}
function shiftKey(state) {
window.dispatchEvent(new KeyboardEvent(state, {
keyCode: 16,
which: 16
}));
}
function mouseEvent(number, state, canvas) {
canvas.dispatchEvent(new PointerEvent(state, {"button": number}))
}
// POINTERLOCK
// When requestpointerlock is called, this dispatches an event, saves the requested element to window.fakelock, and unhides the touch controls
window.fakelock = null;
Element.prototype.requestPointerLock = function() {
window.fakelock = this
document.dispatchEvent(new Event('pointerlockchange'));
console.log("requested pointerlock")
var hideButtonStyleDOM = document.getElementById('hideButtonStyle');
var hideInventoryStyleDOM = document.getElementById('hideInventoryStyle');
hideButtonStyleDOM.disabled = true;
hideInventoryStyleDOM.disabled = true;
return true
}
// Makes pointerLockElement return window.fakelock
Object.defineProperty(document, "pointerLockElement", {
get: function() {
return window.fakelock;
}
});
// When exitPointerLock is called, this dispatches an event, clears the
document.exitPointerLock = function() {
window.fakelock = null
document.dispatchEvent(new Event('pointerlockchange'));
var hideButtonStyleDOM = document.getElementById('hideButtonStyle');
var hideInventoryStyleDOM = document.getElementById('hideInventoryStyle');
hideButtonStyleDOM.disabled = false;
hideInventoryStyleDOM.disabled = window.inInventory;
return true
}
// FULLSCREEN
window.fakefull = null;
// Stops the client from crashing when fullscreen is requested
Element.prototype.requestFullscreen = function() {
window.fakefull = this
document.dispatchEvent(new Event('fullscreenchange'));
return true
}
Object.defineProperty(document, "fullscreenElement", {
get: function() {
return window.fakefull;
}
});
document.exitFullscreen = function() {
window.fakefull = null
document.dispatchEvent(new Event('fullscreenchange'));
return true
}
// FILE UPLOADING
// Safari doesn't recognize the element.click() used to display the file uplaoder as an action performed by the user, so it ignores it.
// This hijacks the element.createElement() function to add the file upload to the DOM, so the user can manually press the button again.
var oldCreate = document.createElement;
document.createElement = function(type) {
this.oldCreate = oldCreate;
var element = this.oldCreate(type);
if(type == "input") {
var newElement = document.querySelector('input');
if(!newElement) {
this.body.appendChild(element);
newElement = document.querySelector('input');
newElement.addEventListener('change', function(e) {
this.hidden = true;
})
}
newElement.value = null;
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);";
newElement.hidden = false;
return newElement;
}
return this.oldCreate(type);
}
// 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 :(
let customStyle = document.createElement("style");
customStyle.textContent = `
button {
position: absolute;
width: 9vh;
height: 9vh;
font-size:4vh;
-webkit-user-select: none;
-ms-user-select: none;
user-select: none;
line-height: 0px;
padding:0px;
color: ##252525;
text-shadow: 0.35vh 0.35vh #000000;
box-sizing: content-box;
image-rendering: pixelated;
background: url(mobile/uiButtonCap.png) no-repeat right center, url(mobile/uiButton.png) no-repeat left center;
background-size: contain, cover;
outline:none;
box-shadow: none;
border: none;
margin: 1vh;
opacity: .5;
font-weight: 900;
}
button:active {
opacity: .75;
}
.mini {
width: 3.5vw;
height: 3.5vw;
margin: 1vh 0vh;
}
.crouch {
background:url(mobile/uiCrouch.png) no-repeat center;
background-size: contain, cover;
}
.crouch:active {
background:url(mobile/uiCrouchSel.png) no-repeat center;
background-size: contain, cover;
}
html, body {
height: -webkit-fill-available !important;
touch-action: pan-x pan-y;
}
`;
document.documentElement.appendChild(customStyle);
// Lazy way to hide touch controls through CSS.
let hideButtonStyle = document.createElement("style");
hideButtonStyle.id = "hideButtonStyle";
hideButtonStyle.textContent = `
#hideButton {
display: none;
}`;
document.documentElement.appendChild(hideButtonStyle);
let hideInventoryStyle = document.createElement("style");
hideInventoryStyle.id = "hideInventoryStyle";
hideInventoryStyle.textContent = `
#hideInventory {
display: none;
}`;
document.documentElement.appendChild(hideInventoryStyle);
// The canvas is created by the client after it finishes unzipping and loading. When the canvas is created, this applies any necessary event listeners
function waitForElm(selector) {
return new Promise(resolve => {
if (document.querySelector(selector)) {
return resolve(document.querySelector(selector));
}
const observer = new MutationObserver(mutations => {
if (document.querySelector(selector)) {
observer.disconnect();
resolve(document.querySelector(selector));
}
});
observer.observe(document.documentElement, {
childList: true,
subtree: true
});
});
}
waitForElm('canvas').then(() => {insertCanvasElements()});
function insertCanvasElements() {
// Translates touchmove events to mousemove events
var canvas = document.querySelector('canvas');
canvas.addEventListener("touchmove", (e) => {
const touch = e.targetTouches[0]; // We can get away with this because every other touch event will be on different elements
if (!previousX) {
previousX = touch.pageX;
previousY = touch.pageY;
}
e.movementX = touch.pageX - previousX;
e.movementY = touch.pageY - previousY;
var evt = new MouseEvent("mousemove", {
movementX: e.movementX,
movementY: e.movementY
});
canvas.dispatchEvent(evt);
previousX = touch.pageX;
previousY = touch.pageY;
event.preventDefault();
}, false);
canvas.addEventListener("touchend", (e) => {
previousX = null;
previousY = null;
}, false)
// Adds all of the touch screen controls
// Theres probably a better way to do this but this works for now
var forwardButton = document.createElement('button');
forwardButton.id = "hideButton"
forwardButton.style.cssText = "left:14vh;bottom:22vh;background:url(mobile/uiUp.png) no-repeat center;background-size: contain, cover;"
forwardButton.addEventListener("touchstart", function(e){keyEvent("w", "keydown")}, false);
forwardButton.addEventListener("touchend", function(e){keyEvent("w", "keyup")}, false);
forwardButton.addEventListener("touchmove", function(e){e.preventDefault()}, false);
document.body.appendChild(forwardButton);
var rightButton = document.createElement('button');
rightButton.id = "hideButton"
rightButton.style.cssText = "left:24vh;bottom:12vh;background:url(mobile/uiRight.png) no-repeat center;background-size: contain, cover;"
rightButton.addEventListener("touchstart", function(e){keyEvent("d", "keydown")}, false);
rightButton.addEventListener("touchend", function(e){keyEvent("d", "keyup")}, false);
rightButton.addEventListener("touchmove", function(e){e.preventDefault()}, false);
document.body.appendChild(rightButton);
var leftButton = document.createElement('button');
leftButton.id = "hideButton"
leftButton.style.cssText = "left: 4vh; bottom:12vh;background:url(mobile/uiLeft.png) no-repeat center;background-size: contain, cover;"
leftButton.addEventListener("touchstart", function(e){keyEvent("a", "keydown")}, false);
leftButton.addEventListener("touchend", function(e){keyEvent("a", "keyup")}, false);
leftButton.addEventListener("touchmove", function(e){e.preventDefault()}, false);
document.body.appendChild(leftButton);
var backButton = document.createElement('button');
backButton.id = "hideButton"
backButton.style.cssText = "left:14vh;bottom:2vh;background:url(mobile/uiDown.png) no-repeat center;background-size: contain, cover;"
backButton.addEventListener("touchstart", function(e){keyEvent("s", "keydown")}, false);
backButton.addEventListener("touchend", function(e){keyEvent("s", "keyup")}, false);
backButton.addEventListener("touchmove", function(e){e.preventDefault()}, false);
document.body.appendChild(backButton);
var jumpButton = document.createElement('button');
jumpButton.id = "hideButton"
jumpButton.style.cssText = "right:20vh;bottom:20vh;background:url(mobile/uiJump.png) no-repeat center;background-size: contain, cover;"
jumpButton.addEventListener("touchstart", function(e){keyEvent(" ", "keydown")}, false);
jumpButton.addEventListener("touchend", function(e){keyEvent(" ", "keyup")}, false);
jumpButton.addEventListener("touchmove", function(e){e.preventDefault()}, false);
document.body.appendChild(jumpButton);
var crouchButton = document.createElement('button');
crouchButton.id = "hideButton"
crouchButton.classList = "crouch"
crouchButton.style.cssText = "left:14vh;bottom:12vh;"
crouchButton.addEventListener("touchstart", function(e){shiftKey("keydown")}, false);
crouchButton.addEventListener("touchend", function(e){shiftKey("keyup")}, false);
crouchButton.addEventListener("touchmove", function(e){e.preventDefault()}, false);
document.body.appendChild(crouchButton);
var inventoryButton = document.createElement('button');
inventoryButton.id = "hideInventory"
inventoryButton.classList = "mini"
inventoryButton.style.cssText = "right:11vw;bottom:0vh;background:url(mobile/uiInventory.png) no-repeat center;background-size: contain, cover;"
inventoryButton.addEventListener("touchstart", function(e){
window.inInventory = (window.fakelock != null)
keyEvent("e", "keydown");
}, false);
inventoryButton.addEventListener("touchend", function(e){keyEvent("e", "keyup")}, false);
inventoryButton.addEventListener("touchmove", function(e){e.preventDefault()}, false);
document.body.appendChild(inventoryButton);
var chatButton = document.createElement('button');
chatButton.id = "hideButton"
chatButton.classList = "mini"
chatButton.style.cssText = "left:43.5vw;top:0vh;background:url(mobile/uiChat.png) no-repeat center;background-size: contain, cover;"
chatButton.addEventListener("touchstart", function(e){keyEvent("t", "keydown")}, false);
chatButton.addEventListener("touchmove", function(e){e.preventDefault()}, false);
document.body.appendChild(chatButton);
var angleButton = document.createElement('button');
angleButton.id = "hideButton"
angleButton.classList = "mini"
angleButton.style.cssText = "left:51.5vw;top:0vh;background:url(mobile/uiAngle.png) no-repeat center;background-size: contain, cover;"
angleButton.addEventListener("touchstart", function(e){keyEvent("f", "keydown"), keyEvent("5", "keydown")}, false);
angleButton.addEventListener("touchmove", function(e){e.preventDefault()}, false);
document.body.appendChild(angleButton);
var exitButton = document.createElement('button');
exitButton.id = "hideButton"
exitButton.classList = "mini"
exitButton.style.cssText = "left:47.5vw;top:0vh;background:url(mobile/uiPause.png) no-repeat center;background-size: contain, cover;"
exitButton.addEventListener("touchstart", function(e){keyEvent("À", "keydown")}, false);
exitButton.addEventListener("touchend", function(e){keyEvent("À", "keyup")}, false);
exitButton.addEventListener("touchmove", function(e){e.preventDefault()}, false);
document.body.appendChild(exitButton);
var placeButton = document.createElement('button');
placeButton.id = "hideButton"
placeButton.textContent = "⊹";
placeButton.style.cssText = "right:5vh;bottom:35vh;"
placeButton.addEventListener("touchstart", function(e){mouseEvent(2, "mousedown", canvas)}, false);
placeButton.addEventListener("touchend", function(e){mouseEvent(2, "mouseup", canvas)}, false);
placeButton.addEventListener("touchmove", function(e){e.preventDefault()}, false);
document.body.appendChild(placeButton);
var breakButton = document.createElement('button');
breakButton.id = "hideButton"
breakButton.textContent = "🗡";
breakButton.style.cssText = "right:25vh;bottom:45vh;"
breakButton.addEventListener("touchstart", function(e){mouseEvent(0, "mousedown", canvas)}, false);
breakButton.addEventListener("touchend", function(e){mouseEvent(0, "mouseup", canvas)}, false);
breakButton.addEventListener("touchmove", function(e){e.preventDefault()}, false);
document.body.appendChild(breakButton);
var scrollUpButton = document.createElement('button');
scrollUpButton.id = "hideButton"
scrollUpButton.classList = "mini"
scrollUpButton.textContent = "⇨";
scrollUpButton.style.cssText = "right:3vw;bottom:0vh;"
scrollUpButton.addEventListener("touchstart", function(e){
canvas.dispatchEvent(new WheelEvent("wheel", {"wheelDeltaY": -10}))
}, false);
scrollUpButton.addEventListener("touchmove", function(e){e.preventDefault()}, false);
document.body.appendChild(scrollUpButton);
var scrollDownButton = document.createElement('button');
scrollDownButton.id = "hideButton"
scrollDownButton.classList = "mini"
scrollDownButton.textContent = "⇦";
scrollDownButton.style.cssText = "right:15vw;bottom:0vh;"
scrollDownButton.addEventListener("touchstart", function(e){
canvas.dispatchEvent(new WheelEvent("wheel", {"wheelDeltaY": 10}))
}, false);
scrollDownButton.addEventListener("touchmove", function(e){e.preventDefault()}, false);
document.body.appendChild(scrollDownButton);
var throwButton = document.createElement('button');
throwButton.id = "hideButton"
throwButton.classList = "mini"
throwButton.textContent = "Q";
throwButton.style.cssText = "right:7vw;bottom:0vh;"
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);
}