node-minecraft-protocol/examples/server/server.js
William Gaylord 1d9a38253a
1.20.3 / 1.20.4 support ()
* Inital 1.20.3 update, bring in minecraft-data with 1.20.3 support and add it to the versions

* Add data for packetTest for explosion packet.

* Add 1.20.4 to version list.

* Add fix for 1.20.3+ NBT isntead of strings for chat. Not happy with this but it does work.

* Fix linting

* Update version.js

Remove 1.20.3 since its the same as 1.20.4. (As suggested)

* Comment how handleNBTStrings works.

* Removed debug console.log

* Update README.md

* chat packet nbt handling fix, use feature

* big endian UUID, add back `text` wrapper

* use prismarine-chat in client test

* expose _handleNbtComponent

* use prismarine-chat exposed processNbtMessage

* fix pre-1.20.4

* Update package.json

* Update server.js

* Update server.js

add missing import

* update server hello world

---------

Co-authored-by: Romain Beaumont <romain.rom1@gmail.com>
Co-authored-by: extremeheat <extreme@protonmail.ch>
2024-02-26 01:14:49 +01:00

95 lines
2.8 KiB
JavaScript

const mc = require('minecraft-protocol')
const nbt = require('prismarine-nbt')
const options = {
motd: 'Vox Industries',
'max-players': 127,
port: 25565,
'online-mode': false
}
const server = mc.createServer(options)
const mcData = require('minecraft-data')(server.version)
const loginPacket = mcData.loginPacket
function chatText (text) {
return mcData.supportFeature('chatPacketsUseNbtComponents')
? nbt.comp({ text: nbt.string(text) })
: JSON.stringify({ text })
}
server.on('playerJoin', function (client) {
broadcast(client.username + ' joined the game.')
const addr = client.socket.remoteAddress + ':' + client.socket.remotePort
console.log(client.username + ' connected', '(' + addr + ')')
client.on('end', function () {
broadcast(client.username + ' left the game.', client)
console.log(client.username + ' disconnected', '(' + addr + ')')
})
// send init data so client will start rendering world
client.write('login', {
...loginPacket,
entityId: client.id,
isHardcore: false,
gameMode: 0,
previousGameMode: 1,
hashedSeed: [0, 0],
maxPlayers: server.maxPlayers,
viewDistance: 10,
reducedDebugInfo: false,
enableRespawnScreen: true,
isDebug: false,
isFlat: false
})
client.write('position', {
x: 0,
y: 256,
z: 0,
yaw: 0,
pitch: 0,
flags: 0x00
})
function handleChat (data) {
const message = '<' + client.username + '>' + ' ' + data.message
broadcast(message, null, client.username)
console.log(message)
}
client.on('chat', handleChat) // pre-1.19
client.on('chat_message', handleChat) // post 1.19
})
server.on('error', function (error) {
console.log('Error:', error)
})
server.on('listening', function () {
console.log('Server listening on port', server.socketServer.address().port)
})
function sendBroadcastMessage (server, clients, message, sender) {
if (mcData.supportFeature('signedChat')) {
server.writeToClients(clients, 'player_chat', {
plainMessage: message,
signedChatContent: '',
unsignedChatContent: chatText(message),
type: 0,
senderUuid: 'd3527a0b-bc03-45d5-a878-2aafdd8c8a43', // random
senderName: JSON.stringify({ text: sender }),
senderTeam: undefined,
timestamp: Date.now(),
salt: 0n,
signature: mcData.supportFeature('useChatSessions') ? undefined : Buffer.alloc(0),
previousMessages: [],
filterType: 0,
networkName: JSON.stringify({ text: sender })
})
} else {
server.writeToClients(clients, 'chat', { message: JSON.stringify({ text: message }), position: 0, sender: sender || '0' })
}
}
function broadcast (message, exclude, username) {
sendBroadcastMessage(server, Object.values(server.clients).filter(client => client !== exclude), message)
}