node-gamedig/protocols/doom3.js

module.exports = require('./core').extend({
	init: function() {
		this._super();
		this.pretty = 'Doom 3';
		this.encoding = 'latin1';
		this.isEtqw = false;
		this.hasSpaceBeforeClanTag = false;
		this.hasClanTag = false;
		this.hasTypeFlag = false;
	},
	run: function(state) {
		var self = this;

		this.udpSend('\xff\xffgetInfo\x00PiNGPoNG\x00',function(buffer) {
			var reader = self.reader(buffer);

			var header = reader.uint(2);
			if(header != 0xffff) return;
			var header2 = reader.string();
			if(header2 != 'infoResponse') return;
			
			var tailSize = 5;
			if(self.isEtqw) {
				var taskId = reader.uint(4);
			}
			
			var challenge = reader.uint(4);
			var protoVersion = reader.uint(4);
			state.raw.protocolVersion = (protoVersion>>16)+'.'+(protoVersion&0xffff);
			
			if(self.isEtqw) {
				var size = reader.uint(4);
			}

			while(!reader.done()) {
				var key = reader.string();
				var value = self.stripColors(reader.string());
				if(key == 'si_map') {
					value = value.replace('maps/','');
					value = value.replace('.entities','');
				}
				if(!key) break;
				state.raw[key] = value;
			}

			var i = 0;
			while(!reader.done()) {
				i++;
				var player = {};
				player.id = reader.uint(1);
				if(player.id == 32) break;
				player.ping = reader.uint(2);
				if(!self.isEtqw) player.rate = reader.uint(4);
				player.name = self.stripColors(reader.string());
				if(self.hasClanTag) {
					if(self.hasSpaceBeforeClanTag) reader.uint(1);
					player.clantag = self.stripColors(reader.string());
				}
				if(self.hasTypeFlag) player.typeflag = reader.uint(1);
				
				if(!player.ping || player.typeflag)
					state.bots.push(player);
				else
					state.players.push(player);
			}
			
			state.raw.osmask = reader.uint(4);
			if(self.isEtqw) {
				state.raw.ranked = reader.uint(1);
				state.raw.timeleft = reader.uint(4);
				state.raw.gamestate = reader.uint(1);
				state.raw.servertype = reader.uint(1);
				// 0 = regular, 1 = tv
				if(state.raw.servertype == 0) {
					state.raw.interestedClients = reader.uint(1);
				} else if(state.raw.servertype == 1) {
					state.raw.connectedClients = reader.uint(4);
					state.raw.maxClients = reader.uint(4);
				}
			}
			
			if(state.raw.si_name) state.name = state.raw.si_name;
			if(state.raw.si_map) state.map = state.raw.si_map;
			if(state.raw.si_maxplayers) state.maxplayers = parseInt(state.raw.si_maxplayers);
			if(state.raw.si_usepass == '1') state.password = true;

			self.finish(state);
			return true;
		});
	},
	stripColors: function(str) {
		// uses quake 3 color codes
		return str.replace(/\^(X.{6}|.)/g,'');
	}
});