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224 lines
7.8 KiB
Markdown
224 lines
7.8 KiB
Markdown
# minecraft protocol
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[](https://www.npmjs.com/package/minecraft-protocol)
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[](https://github.com/PrismarineJS/node-minecraft-protocol/actions?query=workflow%3A%22CI%22)
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[](https://discord.gg/GsEFRM8)
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[](https://gitter.im/PrismarineJS/general)
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[](https://irc.gitter.im/)
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[](https://gitpod.io/#https://github.com/PrismarineJS/node-minecraft-protocol)
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Parse and serialize minecraft packets, plus authentication and encryption.
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## Features
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* Supports Minecraft PC version 1.7.10, 1.8.8, 1.9 (15w40b, 1.9, 1.9.1-pre2, 1.9.2, 1.9.4),
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1.10 (16w20a, 1.10-pre1, 1.10, 1.10.1, 1.10.2), 1.11 (16w35a, 1.11, 1.11.2), 1.12 (17w15a, 17w18b, 1.12-pre4, 1.12, 1.12.1, 1.12.2), and 1.13 (17w50a, 1.13, 1.13.1, 1.13.2-pre1, 1.13.2-pre2, 1.13.2), 1.14 (1.14, 1.14.1, 1.14.3, 1.14.4)
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, 1.15 (1.15, 1.15.1, 1.15.2) and 1.16 (20w13b, 20w14a, 1.16-rc1, 1.16, 1.16.1, 1.16.2, 1.16.3, 1.16.4, 1.16.5), 1.17 (21w07a, 1.17, 1.17.1), 1.18 (1.18, 1.18.1 and 1.18.2), 1.19 (1.19, 1.19.1, 1.19.2, 1.19.3, 1.19.4), 1.20 (1.20, 1.20.1, 1.20.2, 1.20.3 and 1.20.4)
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* Parses all packets and emits events with packet fields as JavaScript
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objects.
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* Send a packet by supplying fields as a JavaScript object.
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* Client
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- Authenticating and logging in
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- Encryption
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- Compression
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- Both online and offline mode
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- Respond to keep-alive packets.
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- Ping a server for status
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* Server
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- Online/Offline mode
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- Encryption
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- Compression
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- Handshake
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- Keep-alive checking
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- Ping status
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* Robust test coverage.
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* Optimized for rapidly staying up to date with Minecraft protocol updates.
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Want to contribute on something important for PrismarineJS ? go to https://github.com/PrismarineJS/mineflayer/wiki/Big-Prismarine-projects
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## Third Party Plugins
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node-minecraft-protocol is pluggable.
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* [minecraft-protocol-forge](https://github.com/PrismarineJS/node-minecraft-protocol-forge) add forge support to minecraft-protocol
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## Projects Using node-minecraft-protocol
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* [mineflayer](https://github.com/PrismarineJS/mineflayer/) - Create minecraft
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bots with a stable, high level API.
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* [mcserve](https://github.com/andrewrk/mcserve) - Runs and monitors your
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minecraft server, provides real-time web interface, allow your users to
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create bots.
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* [flying-squid](https://github.com/PrismarineJS/flying-squid) - Create minecraft
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servers with a high level API, also a minecraft server by itself.
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* [pakkit](https://github.com/Heath123/pakkit) - A GUI tool to monitor Minecraft packets in real time, allowing you to view their data and interactively edit and resend them.
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* [minecraft-packet-debugger](https://github.com/wvffle/minecraft-packet-debugger) - A tool to capture Minecraft packets in a buffer then view them in a browser.
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* [aresrpg](https://github.com/aresrpg/aresrpg) - An open-source mmorpg minecraft server.
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* [SteveProxy](https://github.com/SteveProxy/proxy) - Proxy for Minecraft with the ability to change the gameplay using plugins.
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* and [several thousands others](https://github.com/PrismarineJS/node-minecraft-protocol/network/dependents?package_id=UGFja2FnZS0xODEzMDk0OQ%3D%3D)
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## Installation
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`npm install minecraft-protocol`
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## Documentation
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* [API doc](API.md)
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* [faq](FAQ.md)
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* [protocol doc](https://prismarinejs.github.io/minecraft-data/?d=protocol) and [wiki.vg/Protocol](https://wiki.vg/Protocol)
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## Usage
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### Echo client example
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```js
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const mc = require('minecraft-protocol');
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const client = mc.createClient({
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host: "localhost", // optional
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port: 25565, // optional
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username: "email@example.com",
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password: "12345678",
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auth: 'microsoft' // optional; by default uses offline mode, if using a microsoft account, set to 'microsoft'
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});
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client.on('chat', function(packet) {
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// Listen for chat messages and echo them back.
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const jsonMsg = JSON.parse(packet.message);
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if (jsonMsg.translate == 'chat.type.announcement' || jsonMsg.translate == 'chat.type.text') {
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const username = jsonMsg.with[0].text;
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const msg = jsonMsg.with[1];
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if (username === client.username) return;
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client.write('chat', {message: msg.text});
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}
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});
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```
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If the server is in offline mode, you may leave out the `password` option and switch auth to `offline`.
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You can also leave out `password` when using a Microsoft account. If provided, password based auth will be attempted first which may fail. *Note:* if using a Microsoft account, your account age must be >= 18 years old.
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### Client example joining a Realm
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Example to connect to a Realm that the authenticating account is owner of or has been invited to:
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```js
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const mc = require('minecraft-protocol');
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const client = mc.createClient({
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realms: {
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pickRealm: (realms) => realms[0] // Function which recieves an array of joined/owned Realms and must return a single Realm. Can be async
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},
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auth: 'microsoft'
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})
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```
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### Hello World server example
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For a more up to date example, see examples/server/server.js.
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```js
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const mc = require('minecraft-protocol')
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const nbt = require('prismarine-nbt')
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const server = mc.createServer({
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'online-mode': true, // optional
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encryption: true, // optional
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host: '0.0.0.0', // optional
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port: 25565, // optional
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version: '1.20.4'
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})
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const mcData = require('minecraft-data')(server.version)
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function chatText (text) {
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return mcData.supportFeature('chatPacketsUseNbtComponents')
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? nbt.comp({ text: nbt.string(text) })
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: JSON.stringify({ text })
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}
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server.on('playerJoin', function(client) {
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const loginPacket = mcData.loginPacket
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client.write('login', {
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...loginPacket,
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entityId: client.id,
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hashedSeed: [0, 0],
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maxPlayers: server.maxPlayers,
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viewDistance: 10,
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reducedDebugInfo: false,
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enableRespawnScreen: true,
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isDebug: false,
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isFlat: false
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})
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client.write('position', {
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x: 0,
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y: 255,
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z: 0,
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yaw: 0,
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pitch: 0,
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flags: 0x00
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})
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const message = {
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translate: 'chat.type.announcement',
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with: [
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'Server',
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'Hello, world!'
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]
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}
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if (mcData.supportFeature('signedChat')) {
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client.write('player_chat', {
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plainMessage: message,
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signedChatContent: '',
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unsignedChatContent: chatText(message),
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type: 0,
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senderUuid: 'd3527a0b-bc03-45d5-a878-2aafdd8c8a43', // random
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senderName: JSON.stringify({ text: 'me' }),
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senderTeam: undefined,
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timestamp: Date.now(),
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salt: 0n,
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signature: mcData.supportFeature('useChatSessions') ? undefined : Buffer.alloc(0),
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previousMessages: [],
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filterType: 0,
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networkName: JSON.stringify({ text: 'me' })
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})
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} else {
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client.write('chat', { message: JSON.stringify({ text: message }), position: 0, sender: 'me' })
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}
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})
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```
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## Testing
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* Ensure your system has the `java` executable in `PATH`.
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* `MC_SERVER_JAR_DIR=some/path/to/store/minecraft/server/ MC_USERNAME=email@example.com MC_PASSWORD=password npm test`
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## Debugging
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You can enable some protocol debugging output using `DEBUG` environment variable:
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```bash
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DEBUG="minecraft-protocol" node [...]
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```
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On Windows:
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```
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set DEBUG=minecraft-protocol
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node your_script.js
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```
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## Contribute
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Please read https://github.com/PrismarineJS/prismarine-contribute
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## History
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See [history](HISTORY.md)
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## Related
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* [node-rcon](https://github.com/pushrax/node-rcon) can be used to access the rcon server in the minecraft server
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* [map-colors][aresmapcolor] can be used to convert any image into a buffer of minecraft compatible colors
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[aresmapcolor]: https://github.com/AresRPG/aresrpg-map-colors
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