Drop mcpc_buffer, use mc-ping-updated

lib/ping.js

@@ -1,100 +1,24 @@
-var net = require('net');
 var mcpe_ping = require('mcpe-ping');
-
-var mcpc = require('./mcpc_buffer');
+var mcpc_ping = require('mc-ping-updated');
 
 function pingMinecraftPC(host, port, timeout, callback) {
-	var client = new net.Socket();
 	var milliseconds = (new Date).getTime();
 
-	client.setTimeout(timeout, function() {
-		client.destroy();
-
-		callback(new Error('timeout'), null);
-	});
-
-	client.connect(port, host, function() {
-		// Write out handshake packet.
-		var handshakeBuffer = mcpc.createBuffer();
-
-		handshakeBuffer.writeVarInt(0);
-		handshakeBuffer.writeVarInt(47);
-		handshakeBuffer.writeString(host);
-		handshakeBuffer.writeUShort(port);
-		handshakeBuffer.writeVarInt(1);
-
-		writePCBuffer(client, handshakeBuffer);
-
-		// Write the set connection state packet, we should get the MOTD after this.
-		var setModeBuffer = mcpc.createBuffer();
-
-		setModeBuffer.writeVarInt(0);
-
-		writePCBuffer(client, setModeBuffer);
-	});
-
-	var readingBuffer = new Buffer(0);
-
-    client.on('data', function(data) {
-        readingBuffer = Buffer.concat([readingBuffer, data]);
-
-        var buffer = mcpc.createBuffer(readingBuffer);
-        var length;
-
-        try {
-            length = buffer.readVarInt();
-        } catch(err) {
-        	// The buffer isn't long enough yet, wait for more data!
-            return;
-        }
-
-        // Make sure we have the data we need!
-        if (readingBuffer.length < length - buffer.offset() ) {
-            return;
-        }
-
-        // Read the packet ID, throw it away.
-        buffer.readVarInt();
-
-        try {
-            var json = JSON.parse(buffer.readString());
-
-            // Remap our JSON into our custom structure.
-            var res = {
-            	players: json.players,
-            	version: json.version.protocol,
-            	latency: (new Date).getTime() - milliseconds
-            };
-
-            if (json.favicon) {
-            	res.favicon = json.favicon;
-            }
-
-            // We parsed it, send it along!
-            callback(null, res);
-        } catch (err) {
-        	// Our data is corrupt? Fail hard.
-        	callback(err, null);
-
-            return;
-        }
-
-        // We're done here.
-        client.destroy();
-    });
-
-	client.on('error', function(err) {
-		callback(err, null);
-	});
-}
-
-// Wraps our Buffer into another to fit the Minecraft protocol.
-function writePCBuffer(client, buffer) {
-	var length = mcpc.createBuffer();
-
-	length.writeVarInt(buffer.buffer().length);
-
-	client.write(Buffer.concat([length.buffer(), buffer.buffer()]));
+	mcpc_ping(host, port, function(err, res) {
+	    if (err) {
+	        callback(err, null);
+	    } else {
+	    	// Remap our JSON into our custom structure.
+	        callback(null, {
+				players: {
+					online: res.players.online,
+					max: res.players.max
+				},
+				version: res.version.protocol,
+				latency: (new Date).getTime() - milliseconds
+			});
+	    }
+	}, timeout);	
 }
 
 // This is a wrapper function for mcpe-ping, mainly used to convert the data structure of the result.