initial commit

protocols/armagetron.js

@@ -0,0 +1,62 @@
+module.exports = require('./core').extend({
+	init: function() {
+		this._super();
+		this.encoding = 'latin1';
+		this.byteorder = 'be';
+	},
+	run: function() {
+		var self = this;
+
+		var b = new Buffer([0,0x35,0,0,0,0,0,0x11]);
+
+		this.udpSend(b,function(buffer) {
+			var state = {};
+			var reader = self.reader(buffer);
+
+			reader.skip(6);
+
+			state.port = self.readUInt(reader);
+			state.hostname = self.readString(reader,buffer);
+			state.name = self.readString(reader,buffer);
+			state.numplayers = self.readUInt(reader);
+			state.versionmin = self.readUInt(reader);
+			state.versionmax = self.readUInt(reader);
+			state.version = self.readString(reader,buffer);
+			state.maxplayers = self.readUInt(reader);
+
+			var players = self.readString(reader,buffer);
+			var list = players.split('\n');
+			state.players = [];
+			for(var i = 0; i < list.length; i++) {
+				if(!list[i]) continue;
+				state.players.push({name:list[i]});
+			}
+
+			state.options = self.readString(reader,buffer);
+			state.uri = self.readString(reader,buffer);
+			state.globalids = self.readString(reader,buffer);
+			self.finish(state);
+			return true;
+		});
+	},
+	readUInt: function(reader) {
+		var a = reader.uint(2);
+		var b = reader.uint(2);
+		return (b<<16) + a;
+	},
+	readString: function(reader,b) {
+		var len = reader.uint(2);
+		if(!len) return '';
+
+		var out = '';
+		for(var i = 0; i < len; i+=2) {
+			var hi = reader.uint(1);
+			var lo = reader.uint(1);
+			if(i+1<len) out += String.fromCharCode(lo);
+			if(i+2<len) out += String.fromCharCode(hi);
+		}
+
+		out = out.replace(/0x[0-9a-f]{6}/g,''); // strip color codes
+		return out;
+	}
+});