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Improve minecraft protocol compatibility
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mmorrison
parent
2df7fdae7a
commit
18be566540
4 changed files with 127 additions and 64 deletions
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@ -215,7 +215,7 @@ Games List
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| `mohpa` | Medal of Honor: Pacific Assault (2004)
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| `mohwf` | Medal of Honor: Warfighter (2012)
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| `medievalengineers` | Medieval Engineers (2015)
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| `minecraft`<br>`minecraftping` | Minecraft (2009) | [Notes](#minecraft)
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| `minecraft`<br>`minecraftping` | Minecraft (2009)
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| `minecraftpe`<br>`minecraftbe` | Minecraft: Bedrock Edition (2011)
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| `mnc` | Monday Night Combat (2011)
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| `mumble` | Mumble - GTmurmur Plugin (2005) | [Notes](#mumble)
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@ -152,9 +152,9 @@ mohab|Medal of Honor: Airborne (2007)|gamespy1|port=12203,port_query_offset=97
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moh2010|Medal of Honor (2010)|battlefield|port=7673,port_query=48888
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mohwf|Medal of Honor: Warfighter (2012)|battlefield|port=25200,port_query_offset=22000
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minecraft,minecraftping|Minecraft (2009)|minecraft|port=25565|doc_notes=minecraft
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minecraft,minecraftping|Minecraft (2009)|minecraft|port=25565
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minecraftpe,minecraftbe|Minecraft: Bedrock Edition (2011)|minecraft|port=19132
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minecraftpe,minecraftbe|Minecraft: Bedrock Edition (2011)|gamespy3|port=19132,maxAttempts=2
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mnc|Monday Night Combat (2011)|valve|port=7777,port_query=27016
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mtavc|Grand Theft Auto: Vice City - Multi Theft Auto (2002)|ase|port=22003,port_query_offset=123
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mtasa|Grand Theft Auto: San Andreas - Multi Theft Auto (2004)|ase|port=22003,port_query_offset=123
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@ -1,5 +1,6 @@
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const Core = require('./core'),
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Varint = require('varint');
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MinecraftVanilla = require('./minecraftvanilla'),
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Gamespy3 = require('./gamespy3');
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class Minecraft extends Core {
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constructor() {
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@ -7,72 +8,57 @@ class Minecraft extends Core {
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this.srvRecord = "_minecraft._tcp";
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}
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async run(state) {
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const portBuf = Buffer.alloc(2);
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portBuf.writeUInt16BE(this.options.port,0);
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const promises = [];
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const addressBuf = Buffer.from(this.options.host,'utf8');
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const vanillaResolver = new MinecraftVanilla();
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vanillaResolver.options = this.options;
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vanillaResolver.udpSocket = this.udpSocket;
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promises.push((async () => {
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try { return await vanillaResolver.runOnceSafe(); } catch(e) {}
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})());
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const bufs = [
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this.varIntBuffer(4),
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this.varIntBuffer(addressBuf.length),
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addressBuf,
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portBuf,
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this.varIntBuffer(1)
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];
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const bedrockResolver = new Gamespy3();
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bedrockResolver.options = {
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...this.options,
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encoding: 'utf8',
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};
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bedrockResolver.udpSocket = this.udpSocket;
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promises.push((async () => {
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try { return await bedrockResolver.runOnceSafe(); } catch(e) {}
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})());
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const outBuffer = Buffer.concat([
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this.buildPacket(0,Buffer.concat(bufs)),
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this.buildPacket(0)
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]);
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const [ vanillaState, bedrockState ] = await Promise.all(promises);
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const data = await this.withTcp(async socket => {
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return await this.tcpSend(socket, outBuffer, data => {
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if(data.length < 10) return;
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const reader = this.reader(data);
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const length = reader.varint();
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if(data.length < length) return;
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return reader.rest();
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});
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});
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state.raw.vanilla = vanillaState;
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state.raw.bedrock = bedrockState;
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const reader = this.reader(data);
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const packetId = reader.varint();
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this.debugLog("Packet ID: "+packetId);
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const strLen = reader.varint();
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this.debugLog("String Length: "+strLen);
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const str = reader.rest().toString('utf8');
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this.debugLog(str);
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const json = JSON.parse(str);
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delete json.favicon;
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state.raw = json;
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state.maxplayers = json.players.max;
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if(json.players.sample) {
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for(const player of json.players.sample) {
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state.players.push({
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id: player.id,
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name: player.name
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});
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}
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if (vanillaState) {
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try {
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let name = '';
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const description = vanillaState.raw.description;
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if (typeof description === 'string') {
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name = description;
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}
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if (!name && typeof description === 'object' && description.text) {
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name = description.text;
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}
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if (!name && typeof description === 'object' && description.extra) {
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name = description.extra.map(part => part.text).join('');
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}
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state.name = name;
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} catch(e) {}
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if (vanillaState.maxplayers) state.maxplayers = vanillaState.maxplayers;
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if (vanillaState.players) state.players = vanillaState.players;
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}
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state.players = json.players.online;
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}
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varIntBuffer(num) {
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return Buffer.from(Varint.encode(num));
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}
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buildPacket(id,data) {
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if(!data) data = Buffer.from([]);
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const idBuffer = this.varIntBuffer(id);
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return Buffer.concat([
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this.varIntBuffer(data.length+idBuffer.length),
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idBuffer,
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data
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]);
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if (bedrockState) {
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if (bedrockState.name) state.name = bedrockState.name;
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if (bedrockState.maxplayers) state.maxplayers = bedrockState.maxplayers;
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if (bedrockState.players) state.players = bedrockState.players;
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}
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// remove dupe spaces from name
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state.name = state.name.replace(/\s+/g, ' ');
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// remove color codes from name
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state.name = state.name.replace(/\u00A7./g, '');
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}
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}
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77
protocols/minecraftvanilla.js
Normal file
77
protocols/minecraftvanilla.js
Normal file
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@ -0,0 +1,77 @@
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const Core = require('./core'),
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Varint = require('varint');
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class MinecraftVanilla extends Core {
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async run(state) {
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const portBuf = Buffer.alloc(2);
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portBuf.writeUInt16BE(this.options.port,0);
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const addressBuf = Buffer.from(this.options.host,'utf8');
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const bufs = [
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this.varIntBuffer(47),
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this.varIntBuffer(addressBuf.length),
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addressBuf,
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portBuf,
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this.varIntBuffer(1)
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];
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const outBuffer = Buffer.concat([
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this.buildPacket(0,Buffer.concat(bufs)),
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this.buildPacket(0)
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]);
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const data = await this.withTcp(async socket => {
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return await this.tcpSend(socket, outBuffer, data => {
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if(data.length < 10) return;
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const reader = this.reader(data);
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const length = reader.varint();
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if(data.length < length) return;
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return reader.rest();
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});
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});
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const reader = this.reader(data);
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const packetId = reader.varint();
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this.debugLog("Packet ID: "+packetId);
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const strLen = reader.varint();
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this.debugLog("String Length: "+strLen);
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const str = reader.rest().toString('utf8');
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this.debugLog(str);
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const json = JSON.parse(str);
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delete json.favicon;
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state.raw = json;
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state.maxplayers = json.players.max;
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if(json.players.sample) {
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for(const player of json.players.sample) {
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state.players.push({
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id: player.id,
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name: player.name
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});
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}
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}
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for (let i = 0; i < Math.min(json.players.online, 10000); i++) {
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state.players.push({});
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}
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}
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varIntBuffer(num) {
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return Buffer.from(Varint.encode(num));
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}
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buildPacket(id,data) {
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if(!data) data = Buffer.from([]);
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const idBuffer = this.varIntBuffer(id);
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return Buffer.concat([
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this.varIntBuffer(data.length+idBuffer.length),
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idBuffer,
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data
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]);
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}
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}
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module.exports = MinecraftVanilla;
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