From f1eb418636a20b430640af10044ad5bb7b2de68b Mon Sep 17 00:00:00 2001
From: Cryptkeeper <cryptkeeper@hypixel.net>
Date: Mon, 2 Nov 2015 01:42:11 -0600
Subject: [PATCH] Drop mcpc_buffer, use mc-ping-updated

---
 lib/mcpc_buffer.js |  81 ----------------------------------
 lib/ping.js        | 108 +++++++--------------------------------------
 package.json       |   1 +
 3 files changed, 17 insertions(+), 173 deletions(-)
 delete mode 100644 lib/mcpc_buffer.js

diff --git a/lib/mcpc_buffer.js b/lib/mcpc_buffer.js
deleted file mode 100644
index 46769ea..0000000
--- a/lib/mcpc_buffer.js
+++ /dev/null
@@ -1,81 +0,0 @@
-function CustomBuffer(existingBuffer) {
-    var buffer = existingBuffer || new Buffer(48);
-    var offset = 0;
-
-    this.writeVarInt = function(val) {
-        while (true) {
-            if ((val & 0xFFFFFF80) == 0) {
-                this.writeUByte(val);
-
-                return;
-            }
-
-            this.writeUByte(val & 0x7F | 0x80);
-
-            val = val >>> 7;
-        }
-    };
-
-    this.writeString = function(string) {
-        this.writeVarInt(string.length);
-
-        if (offset + string.length >= buffer.length) {
-            Buffer.concat([buffer, new Buffer(string.length)]);
-        }
-
-        buffer.write(string, offset, string.length, "UTF-8");
-
-        offset += string.length;
-    };
-
-    this.writeUShort = function(val) {
-        this.writeUByte(val >> 8);
-        this.writeUByte(val & 0xFF);
-    };
-
-    this.writeUByte = function(val) {
-        if (offset + 1 >= buffer.length) {
-            Buffer.concat([buffer, new Buffer(50)]);
-        }
-
-        buffer.writeUInt8(val, offset++);
-    };
-
-    this.readVarInt = function() {
-        var val = 0;
-        var count = 0;
-
-        while (true) {
-            var i = buffer.readUInt8(offset++);
-
-            val |= (i & 0x7F) << count++ * 7;
-
-            if ((i & 0x80) != 128) {
-                break
-            }
-        }
-
-        return val;
-    };
-
-    this.readString = function() {
-        var length = this.readVarInt();
-        var str = buffer.toString("UTF-8", offset, offset + length);
-
-        offset += length;
-        
-        return str;
-    };
-
-    this.buffer = function() {
-        return buffer.slice(0, offset);
-    };
-
-    this.offset = function() {
-        return offset;
-    };
-}
-
-exports.createBuffer = function(buffer) {
-    return new CustomBuffer(buffer);
-};
\ No newline at end of file
diff --git a/lib/ping.js b/lib/ping.js
index 8ff0820..a3b09c3 100644
--- a/lib/ping.js
+++ b/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.
diff --git a/package.json b/package.json
index 831ed9d..770b433 100644
--- a/package.json
+++ b/package.json
@@ -4,6 +4,7 @@
   "description": "A Minecraft server tracker that lets you focus on the basics.",
   "main": "app.js",
   "dependencies": {
+    "mc-ping-updated": "0.0.6",
     "mcpe-ping": "0.0.3",
     "mime": "^1.3.4",
     "socket.io": "^1.3.7",