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roblabla 2014-01-05 02:01:01 +01:00
commit 817912180b
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.gitignore vendored Normal file
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node_modules/

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README.md Normal file
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mc-plain-server
==============
This is mc-plain-server.

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mc-plain-server.js Normal file
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var mc = require('minecraft-protocol');
var states = mc.protocol.states;
var World = require('./world');
var options = {
motd: 'Vox Industries',
'max-players': 127,
port: 25565,
'online-mode': false,
};
var world = new World();
for (var x = 0; x < 16;x++) {
for (var z = 0; z < 16; z++) {
world.put(x, 50, z, "block_data", 2);
}
}
var server = mc.createServer(options);
server.on('login', function(client) {
broadcast({ text: client.username+' joined the game.', color: "yellow" });
var addr = client.socket.remoteAddress + ':' + client.socket.remotePort;
console.log(client.username+' connected', '('+addr+')');
client.on('end', function() {
broadcast({ text: client.username+' left the game.', color: "yellow" });
console.log(client.username+' disconnected', '('+addr+')');
});
// send init data so client will start rendering world
client.write(0x01, {
entityId: client.id,
levelType: 'default',
gameMode: 1,
dimension: 0,
difficulty: 0,
maxPlayers: server.maxPlayers
});
var chunkBulk = world.packMapChunkBulk([0,0], function(err, packetData) {
if (err) {
console.log(err);
return;
}
client.write(0x26, packetData);
client.write(0x08, {
x: 6,
y: 53,
z: 6,
yaw: 0,
pitch: 0,
onGround: true
});
console.log("Written position, player should spawn");
client.write(0x03, {
age: [0,0],
time: [0,1]
});
client.write(0x2B, {
reason: 3,
gameMode: 1
});
});
client.on([states.PLAY, 0x01], function(data) {
var message = '<'+client.username+'>' + ' ' + data.message;
broadcast(message, client.username);
console.log(message);
});
client.on('packet', function(packet) {
console.log(packet);
})
});
server.on('error', function(error) {
console.log('Error:', error);
});
server.on('listening', function() {
console.log('Server listening on port', server.socketServer.address().port);
});
function broadcast(message, username) {
var client, translate;
translate = username ? 'chat.type.announcement' : 'chat.type.text';
username = username || 'Server';
for (var clientId in server.clients) {
if (!server.clients.hasOwnProperty(clientId)) continue;
client = server.clients[clientId];
var msg = {
translate: translate,
"with": [
username
]
};
if (typeof message === "string") {
msg["with"].push(message);
} else {
Object.keys(message).forEach(function(key) {
if (key === "text") {
msg["with"].push(message[key]);
} else {
msg[key] = message[key];
}
});
}
client.write(0x02, { message: JSON.stringify(msg) });
}
}

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package.json Normal file
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{
"name": "mc-plain-server",
"description": "",
"version": "0.0.1",
"main": "./mc-plain-server.js",
"author": {
"name": "roblabla",
"email": "robinlambertz.dev@gmail.com"
},
"keywords": [],
"licenses": {
"type": "mit"
},
"dependencies": {
"minecraft-protocol": "git://github.com/roblabla/node-minecraft-protocol.git#feature-mc1.7",
"buffers": "0.1.1"
},
"repository": {
"type": "git",
"url": "git://github.com/YOUR_LOGIN/mc-plain-server.git"
},
"bugs": {
"url": "http://github.com/YOUR_LOGIN/mc-plain-server/issues"
}
}

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world.js Normal file
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var util = require('util')
, zlib = require('zlib')
, Buffers = require('buffers');
module.exports = World;
function BiomeData() {
this.data = null;
}
BiomeData.prototype.fill = function() {
if (!this.data) {
this.data = new Buffer(256);
for (var i = 0;i < 256;i++) {
this.data[i] = 0;
}
}
}
BiomeData.prototype.unpack = function(buf) {
this.data = buf.slice(0, 256);
}
BiomeData.prototype.pack = function() {
this.fill();
return this.data;
}
BiomeData.prototype.get = function(x, y, z) {
this.fill();
return this.data[x + ((y * 16) + z) * 16];
}
BiomeData.prototype.put = function(x, y, z, data) {
this.fill();
this.data[x + ((y * 16) + z) * 16] = data;
}
function ChunkData() {
this.length = 16*16*16;
this.data = null;
}
ChunkData.prototype.fill = function() {
if (!this.data) {
this.data = new Buffer(this.length);
for (var i = 0;i < this.length;i++) {
this.data[i] = 0;
}
}
}
ChunkData.prototype.unpack = function(buff) {
this.data = buff.slice(0, this.length);
}
ChunkData.prototype.pack = function() {
this.fill();
return this.data;
}
ChunkData.prototype.get = function(x, y, z) {
this.fill();
return this.data[x + ((y * 16) + z) * 16];
}
ChunkData.prototype.put = function(x, y, z, data) {
this.fill();
this.data[x + ((y * 16) + z) * 16] = data;
}
function ChunkDataNibble() {
this.length = 16*16*8;
this.data = null;
}
util.inherits(ChunkDataNibble, ChunkData);
ChunkDataNibble.prototype.get = function(x, y, z) {
this.fill();
var r = x % 2;
x = Math.floor(x/2);
var i = x + ((y * 16) + z) * 16;
if (r === 0) {
return this.data[i] >>> 4;
} else {
return this.data[i] & 0x0F;
}
}
ChunkDataNibble.prototype.put = function(x, y, z, data) {
this.fill();
var r = x % 2;
x = Math.floor(x/2);
var i = x + ((y * 16) + z) * 16;
if (r === 0) {
this.data[i] = (this.data[i] & 0x0F) | ((data & 0x0F) << 4);
} else {
this.data[i] = (this.data[i] & 0xF0) | (this.data & 0x0F);
}
}
function Chunk() {
this.block_data = new ChunkData();
this.block_meta = new ChunkDataNibble();
this.block_add = new ChunkDataNibble();
this.light_block = new ChunkDataNibble();
this.light_sky = new ChunkDataNibble();
}
function ChunkColumn() {
this.chunks = new Array(16);
for (var i = 0;i < 16;i++) this.chunks[i] = null;
this.biome = new BiomeData();
}
ChunkColumn.prototype.unpack = function(buff, mask1, mask2, skylight) {
if (typeof skylight == "undefined") skylight = true;
this.unpack_section(buff, "block_data", mask1);
this.unpack_section(buff, "block_meta", mask1);
this.unpack_section(buff, "light_block", mask1);
if (skylight)
this.unpack_section(buff, "light_sky", mask1);
this.unpack_section(buff, "block_add", mask2);
this.biome.unpack(buff);
}
ChunkColumn.prototype.unpack_section = function(buff, section, mask) {
for (var i = 0; i < 16; i++) {
if (mask & (1 << i)) {
if (this.chunks[i] === null) {
this.chunks[i] = new Chunk();
}
this.chunks[i][section].unpack(buff);
}
}
}
ChunkColumn.prototype.pack = function() {
var bufs = new Buffers();
var mask1 = 0;
for (var i = 0; i < 16; i++) {
if (this.chunks[i] !== null) {
mask1 |= 1 << i;
}
}
var block_data = this.pack_section("block_data");
var block_meta = this.pack_section("block_meta");
var light_block = this.pack_section("light_block");
var light_sky = this.pack_section("light_sky");
var mask2 = 0;
bufs.push(block_data, block_meta, light_block, light_sky);
return {
data: bufs.toBuffer(),
mask1: mask1,
mask2: mask2,
skylight: true
};
}
ChunkColumn.prototype.pack_section = function(section) {
var bufs = new Buffers();
for (var i = 0; i < 16; i++) {
if (this.chunks[i] !== null)
bufs.push(this.chunks[i][section].pack());
}
return bufs.toBuffer();
}
function World() {
this.columns = {};
}
World.prototype.unpack = function(packetData) {
var data = zlib.inflate(packetData.compressedChunkData);
packetData.meta.forEach(function (meta) {
var key = [meta.x, meta.z];
var column;
if (key in this.columns) {
column = this.columns[key];
} else {
column = new ChunkColumn();
this.columns[key] = column;
}
column.unpack(data, meta.bitMap, meta.addMap, packetData.skyLightSent);
});
}
World.prototype.packMapChunkBulk = function() {
var bufs = new Buffers();
var metadatas = [];
var cb = arguments[arguments.length - 1];
// First pass, get all the metadatas and buffers.
for (var i = 0;i < arguments.length - 1; i++) {
var arg = arguments[i];
var data = this.columns[arg];
if (this.columns === null) {
continue;
}
var packetContent = data.pack();
bufs.push(packetContent.data);
var metadata = {
x: arg[0],
z: arg[1],
bitMap: packetContent.mask1,
addBitMap: packetContent.mask2
}
metadatas.push(metadata);
}
// Deflate/compress the buffers
var deflate = zlib.createDeflate();
var deflateBuffer = new Buffer(0);
deflate.on('data', function(data) {
deflateBuffer = Buffer.concat([deflateBuffer, data]);
});
deflate.on('end', function() {
cb(null, {
data: {
skyLightSent: true,
meta: metadatas,
compressedChunkData: deflateBuffer
}});
});
deflate.on('error', function(err) {
console.log("error");
cb(err);
});
deflate.write(bufs.toBuffer());
deflate.end();
}
World.prototype.get = function(x, y, z, key) {
var rx = x % 16;
x = Math.floor(x / 16);
var ry = y % 16;
y = Math.floor(y / 16);
var rz = z % 16;
z = Math.floor(z / 16);
if (!([x,z] in this.columns)) {
return 0;
}
var column = this.columns[[x,z]];
var chunk = column.chunks[y];
if (chunk == null) {
return 0;
}
return chunk[key].get(rx, ry, rz);
}
World.prototype.put = function(x, y, z, key, data) {
var rx = x % 16;
x = Math.floor(x / 16);
var ry = y % 16;
y = Math.floor(y / 16);
var rz = z % 16;
z = Math.floor(z / 16);
var column;
if ([x,z] in this.columns) {
column = this.columns[[x,z]];
} else {
column = new ChunkColumn();
this.columns[[x,z]] = column;
}
var chunk = column.chunks[y];
if (chunk == null) {
chunk = new Chunk();
column.chunks[y] = chunk;
}
chunk[key].put(rx, ry, rz, data);
}
World.prototype.get_biome = function(x, z) {
var rx = x % 16;
x = Math.floor(x / 16);
var rz = z % 16;
z = Math.floor(z / 16);
if (!([x,z] in this.columns)) {
return 0;
}
return this.columns[[x,z]].biome.get(rx, rz);
}
World.prototype.put_biome = function(x, z, data) {
var rx = x % 16;
x = Math.floor(x / 16);
var rz = z % 16;
z = Math.floor(z / 16);
var column;
if ([x,z] in this.columns) {
column = this.columns[[x,z]];
} else {
column = new ChunkColumn();
this.columns[[x,z]] = column;
}
return column.biome.put(rx, rz, data);
}