prismarine-web-client-mirror/index.js
2021-03-22 02:13:58 +01:00

441 lines
13 KiB
JavaScript

/* global THREE */
require('./lib/menu')
require('./lib/loading_screen')
require('./lib/hotbar')
require('./lib/chat')
require('./lib/crosshair')
require('./lib/playerlist')
require('./lib/debugmenu')
const net = require('net')
// Workaround for process.versions.node not existing in the browser
process.versions.node = '14.0.0'
const mineflayer = require('mineflayer')
const { WorldView, Viewer } = require('prismarine-viewer/viewer')
const pathfinder = require('mineflayer-pathfinder')
const { Vec3 } = require('vec3')
global.THREE = require('three')
const { initVR } = require('./lib/vr')
if ('serviceWorker' in navigator) {
window.addEventListener('load', () => {
navigator.serviceWorker.register('/service-worker.js').then(registration => {
console.log('SW registered: ', registration)
}).catch(registrationError => {
console.log('SW registration failed: ', registrationError)
})
})
}
const maxPitch = 0.5 * Math.PI
const minPitch = -0.5 * Math.PI
// Create three.js context, add to page
const renderer = new THREE.WebGLRenderer()
renderer.setPixelRatio(window.devicePixelRatio || 1)
renderer.setSize(window.innerWidth, window.innerHeight)
document.body.appendChild(renderer.domElement)
// Create viewer
const viewer = new Viewer(renderer)
const textures = []
const loader = new THREE.TextureLoader()
let breakStartTime
// Menu panorama background
function getPanoramaMesh () {
const geometry = new THREE.SphereGeometry(500, 60, 40)
geometry.scale(-1, 1, 1)
const texture = new THREE.TextureLoader().load('title_blured.jpg')
const material = new THREE.MeshBasicMaterial({ map: texture })
const mesh = new THREE.Mesh(geometry, material)
mesh.rotation.y = Math.PI
mesh.onBeforeRender = () => {
mesh.rotation.y += 0.0005
mesh.rotation.x = -Math.sin(mesh.rotation.y * 3) * 0.3
}
return mesh
}
function removePanorama () {
viewer.scene.remove(panoramaMesh)
panoramaMesh = null
}
let panoramaMesh = getPanoramaMesh()
viewer.scene.add(panoramaMesh)
// Browser animation loop
const animate = () => {
window.requestAnimationFrame(animate)
viewer.update()
renderer.render(viewer.scene, viewer.camera)
}
animate()
window.addEventListener('resize', () => {
viewer.camera.aspect = window.innerWidth / window.innerHeight
viewer.camera.updateProjectionMatrix()
renderer.setSize(window.innerWidth, window.innerHeight)
})
async function main () {
const showEl = (str) => { document.getElementById(str).style = 'display:block' }
const menu = document.getElementById('prismarine-menu')
menu.addEventListener('connect', e => {
const options = e.detail
menu.style = 'display: none;'
showEl('hotbar')
showEl('crosshair')
showEl('chatbox')
showEl('loading-background')
showEl('playerlist')
showEl('debugmenu')
removePanorama()
connect(options)
})
}
async function connect (options) {
const loadingScreen = document.getElementById('loading-background')
const hotbar = document.getElementById('hotbar')
const chat = document.getElementById('chatbox')
const playerList = document.getElementById('playerlist')
const debugMenu = document.getElementById('debugmenu')
const viewDistance = 6
const hostprompt = options.server
const proxyprompt = options.proxy
const username = options.username
const password = options.password
let host, port, proxy, proxyport
if (!hostprompt.includes(':')) {
host = hostprompt
port = 25565
} else {
[host, port] = hostprompt.split(':')
port = parseInt(port, 10)
}
if (!proxyprompt.includes(':')) {
proxy = proxyprompt
proxyport = undefined
} else {
[proxy, proxyport] = proxyprompt.split(':')
proxyport = parseInt(proxyport, 10)
}
console.log(`connecting to ${host} ${port} with ${username}`)
if (proxy) {
console.log(`using proxy ${proxy} ${proxyport}`)
net.setProxy({ hostname: proxy, port: proxyport })
}
loadingScreen.status = 'Logging in'
const bot = mineflayer.createBot({
host,
port,
username,
password,
viewDistance: 'tiny',
checkTimeoutInterval: 240 * 1000,
noPongTimeout: 240 * 1000,
closeTimeout: 240 * 1000
})
hotbar.bot = bot
debugMenu.bot = bot
bot.on('error', (err) => {
console.log('Encountered error!', err)
loadingScreen.status = 'Error encountered. Please reload the page'
})
bot.on('kicked', (kickReason) => {
console.log('User was kicked!', kickReason)
loadingScreen.status = 'The Minecraft server kicked you. Please reload the page to rejoin'
})
bot.on('end', (endReason) => {
console.log('disconnected for', endReason)
loadingScreen.status = 'You have been disconnected from the server. Please reload the page to rejoin'
})
bot.once('login', () => {
loadingScreen.status = 'Loading world...'
})
bot.once('spawn', () => {
const mcData = require('minecraft-data')(bot.version)
loadingScreen.status = 'Placing blocks (starting viewer)...'
console.log('bot spawned - starting viewer')
const version = bot.version
const center = bot.entity.position
const worldView = new WorldView(bot.world, viewDistance, center)
chat.init(bot._client, renderer)
playerList.init(bot)
viewer.setVersion(version)
hotbar.viewerVersion = viewer.version
window.worldView = worldView
window.bot = bot
window.mcData = mcData
window.viewer = viewer
window.Vec3 = Vec3
window.pathfinder = pathfinder
window.debugMenu = debugMenu
window.renderer = renderer
window.settings = {
mouseSensXValue: window.localStorage.getItem('mouseSensX') ?? 0.005,
mouseSensYValue: window.localStorage.getItem('mouseSensY') ?? 0.005,
set mouseSensX (v) { this.mouseSensXValue = v; window.localStorage.setItem('mouseSensX', v) },
set mouseSensY (v) { this.mouseSensYValue = v; window.localStorage.setItem('mouseSensY', v) },
get mouseSensX () { return this.mouseSensXValue },
get mouseSensY () { return this.mouseSensYValue }
}
initVR(bot, renderer, viewer)
// Link WorldView and Viewer
viewer.listen(worldView)
worldView.listenToBot(bot)
worldView.init(bot.entity.position)
// Create cursor mesh
const boxGeometry = new THREE.BoxBufferGeometry(1.001, 1.001, 1.001)
const cursorMesh = new THREE.LineSegments(new THREE.EdgesGeometry(boxGeometry), new THREE.LineBasicMaterial({ color: 0 }))
viewer.scene.add(cursorMesh)
function updateCursor () {
const cursorBlock = bot.blockAtCursor()
debugMenu.cursorBlock = cursorBlock
if (!cursorBlock || !bot.canDigBlock(cursorBlock)) {
cursorMesh.visible = false
return
} else {
cursorMesh.visible = true
}
cursorMesh.position.set(cursorBlock.position.x + 0.5, cursorBlock.position.y + 0.5, cursorBlock.position.z + 0.5)
}
// Create block break mesh
const material = new THREE.MeshBasicMaterial({
transparent: true,
alphaTest: 0.1
})
for (let i = 0; i < 10; i++) {
const texture = loader.load('textures/' + viewer.version + '/blocks/destroy_stage_' + i + '.png')
texture.magFilter = THREE.NearestFilter
texture.minFilter = THREE.NearestFilter
textures.push(texture)
}
const geometry = new THREE.BoxGeometry(1.001, 1.001, 1.001)
const blockBreakMesh = new THREE.Mesh(geometry, material)
viewer.scene.add(blockBreakMesh)
blockBreakMesh.visible = false
async function updateBreakMesh (x, y, z, time) {
const thisBreakStartTime = new Date().getTime()
breakStartTime = thisBreakStartTime
console.log('updating break mesh')
blockBreakMesh.position.set(x + 0.5, y + 0.5, z + 0.5)
// eslint-disable-next-line promise/param-names
const timer = ms => new Promise(res => setTimeout(res, ms))
const animate = async () => {
for (let i = 0; i < 10; i++) {
if (thisBreakStartTime !== breakStartTime) break
await timer(time / 10)
console.log('At stage ' + i)
blockBreakMesh.material.map = textures[i]
blockBreakMesh.visible = true
}
hideBreakMesh()
updateCursor()
}
animate()
}
function hideBreakMesh () {
console.log('hiding break mesh & canceling loop')
breakStartTime = new Date().getTime()
blockBreakMesh.visible = false
}
bot.on('diggingAborted', () => {
console.log('digging aborted')
hideBreakMesh()
keepMouseDownAction = false
})
bot.on('diggingCompleted', () => {
console.log('digging completed')
hideBreakMesh()
})
// Bot position callback
function botPosition () {
viewer.setFirstPersonCamera(bot.entity.position, bot.entity.yaw, bot.entity.pitch)
worldView.updatePosition(bot.entity.position)
updateCursor()
}
bot.on('move', botPosition)
botPosition()
loadingScreen.status = 'Setting callbacks...'
function moveCallback (e) {
bot.entity.pitch -= e.movementY * window.settings.mouseSensYValue
bot.entity.pitch = Math.max(minPitch, Math.min(maxPitch, bot.entity.pitch))
bot.entity.yaw -= e.movementX * window.settings.mouseSensXValue
viewer.setFirstPersonCamera(null, bot.entity.yaw, bot.entity.pitch)
updateCursor()
}
function changeCallback () {
if (document.pointerLockElement === renderer.domElement ||
document.mozPointerLockElement === renderer.domElement ||
document.webkitPointerLockElement === renderer.domElement) {
document.addEventListener('mousemove', moveCallback, false)
} else {
document.removeEventListener('mousemove', moveCallback, false)
}
}
document.addEventListener('pointerlockchange', changeCallback, false)
document.addEventListener('mozpointerlockchange', changeCallback, false)
document.addEventListener('webkitpointerlockchange', changeCallback, false)
let lastTouch
document.addEventListener('touchmove', (e) => {
window.scrollTo(0, 0)
e.preventDefault()
e.stopPropagation()
if (lastTouch !== undefined) {
moveCallback({ movementX: e.touches[0].pageX - lastTouch.pageX, movementY: e.touches[0].pageY - lastTouch.pageY })
}
lastTouch = e.touches[0]
}, { passive: false })
document.addEventListener('touchend', (e) => {
lastTouch = undefined
}, { passive: false })
renderer.domElement.requestPointerLock = renderer.domElement.requestPointerLock ||
renderer.domElement.mozRequestPointerLock ||
renderer.domElement.webkitRequestPointerLock
document.addEventListener('mousedown', (e) => {
renderer.domElement.requestPointerLock()
})
document.addEventListener('contextmenu', (e) => e.preventDefault(), false)
const codes = {
KeyW: 'forward',
KeyS: 'back',
KeyA: 'right',
KeyD: 'left',
Space: 'jump',
ShiftLeft: 'sneak',
ControlLeft: 'sprint'
}
document.addEventListener('keydown', (e) => {
if (chat.inChat) return
console.log(e.code)
if (e.code in codes) {
bot.setControlState(codes[e.code], true)
}
if (e.code.startsWith('Digit')) {
const numPressed = e.code.substr(5)
hotbar.reloadHotbarSelected(numPressed - 1)
}
if (e.code === 'KeyQ') {
if (bot.heldItem) bot.tossStack(bot.heldItem)
}
}, false)
document.addEventListener('keyup', (e) => {
if (e.code in codes) {
bot.setControlState(codes[e.code], false)
}
}, false)
async function sleep (ms) {
return new Promise(resolve => setTimeout(resolve, ms))
}
let keepMouseDownAction = false
document.addEventListener('mousedown', async (e) => {
if (document.pointerLockElement !== renderer.domElement) return
keepMouseDownAction = true
while (keepMouseDownAction) { // eslint-disable-line
const cursorBlock = bot.blockAtCursor()
if (!cursorBlock) {
await sleep(100)
continue
}
if (e.button === 0) {
if (bot.canDigBlock(cursorBlock)) {
updateBreakMesh(cursorBlock.position.x, cursorBlock.position.y, cursorBlock.position.z, bot.digTime(cursorBlock))
await bot.dig(cursorBlock, 'ignore')
} else {
await sleep(100)
continue
}
} else if (e.button === 2) {
const vecArray = [new Vec3(0, -1, 0), new Vec3(0, 1, 0), new Vec3(0, 0, -1), new Vec3(0, 0, 1), new Vec3(-1, 0, 0), new Vec3(1, 0, 0)]
const vec = vecArray[cursorBlock.face]
const delta = cursorBlock.intersect.minus(cursorBlock.position)
await bot._placeBlockWithOptions(cursorBlock, vec, { delta, forceLook: 'ignore' })
}
}
}, false)
document.addEventListener('mouseup', (e) => {
keepMouseDownAction = false
bot.stopDigging()
}, false)
loadingScreen.status = 'Done!'
console.log(loadingScreen.status) // only do that because it's read in index.html and npm run fix complains.
setTimeout(function () {
// remove loading screen, wait a second to make sure a frame has properly rendered
loadingScreen.style = 'display: none;'
}, 2500)
// TODO: Remove after #85 is done
debugMenu.customEntries.hp = bot.health
debugMenu.customEntries.food = bot.food
debugMenu.customEntries.saturation = bot.foodSaturation
bot.on('health', () => {
debugMenu.customEntries.hp = bot.health
debugMenu.customEntries.food = bot.food
debugMenu.customEntries.saturation = bot.foodSaturation
})
})
}
main()