TilePrinter

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Drawing;

namespace MyFirstConsole
{
    class Program
    {
        public static void Main(string[] args)
        {
            // Sets where to start reading byte array
            int offset = 0;

            // Variables used for write to file settings
            int rowCount = 0;
            // Printout string
            string printout = "";

            // Load lvl file
            byte[] fileBytes = File.ReadAllBytes("D:/Projects/CSharp Workspace/Windows app/MyFirstConsole/oldtrench4.lvl");

            // Read first 2 bytes to see if Tile bmp is included
            if ((Encoding.ASCII.GetString(new byte[] { fileBytes[0], fileBytes[1] })).Equals("BM"))
            {
                // Setting the tile reader to start after bmp file info
                offset = BitConverter.ToInt32(new byte[] { fileBytes[2], fileBytes[3], fileBytes[4], fileBytes[5] }, 0);
                Console.WriteLine("Contains BMP! Offset:" + offset.ToString());
            }

            // Storing the bit sets so we know how many times to loop
            int remainingBytes = fileBytes.Length - offset;

            // Begin loading tiles
            // Make sure to do it in sets of 4 - tiledID=1byte x and y combined is 3byte
            while (remainingBytes > 3)
            {
                // Gathering the next 4 bytes and converting to Int32
                byte[] nextFour = new byte[4] { fileBytes[offset], fileBytes[offset + 1], fileBytes[offset + 2], fileBytes[offset + 3] };
                int i = BitConverter.ToInt32(nextFour, 0);

                // Shifting and extracting info from a number using hokus pokus magic - i dont understand this
                int tile = i >> 24 & 0x00ff;
                int y = (i >> 12) & 0x03FF;
                int x = i & 0x03FF;

                // Add the tile info to the next line of our printout
                printout += (" [tile:" + tile.ToString().PadLeft(3) + "|x:" + x.ToString().PadLeft(5) + "|y:" + y.ToString().PadLeft(5) + "]");

                // incrementing to our rowcount - how many tiles to print per line
                rowCount++;

                // updating remaining bytes
                remainingBytes -= 4;
                offset += 4;

                // Checking if its time to print next row
                if (rowCount >= 8 || remainingBytes < 4)
                {
                    rowCount = 0;
                    using (System.IO.StreamWriter file = new System.IO.StreamWriter(@"D:/Projects/CSharp Workspace/Windows app/MyFirstConsole/test.txt", true))
                    {
                        file.WriteLine(printout);
                        printout = "";
                    }
                }
            }
            Console.ReadLine();
        }
    }
}