using System;

using System.Collections.Generic;

using System.IO;

​

namespace Tibia

{

    public class DatReader

    {

        private string file;

        private byte tbyte;

        private byte option;

        private int Id;

​

        public DatReader(string f)

        {

            file = f;

        }

​

        public List<DatItem> ReadDatFile()

        {

            List<DatItem> Items = new List<DatItem>(7900);

            for (int i = 0; i < 7899; i++)

            {

                Items[i].IsContainer = false;

                Items[i].ReadWriteInfo = 0;

                Items[i].IsFluidContainer = false;

                Items[i].IsStackable = false;

                Items[i].MultiType = false;

                Items[i].Useable = false;

                Items[i].IsNotMovable = false;

                Items[i].AlwaysOnTop = false;

                Items[i].IsGroundTile = false;

                Items[i].IsPickupAble = false;

                Items[i].Blocking = false;

                Items[i].BlockPickupable = false;

                Items[i].IsWalkable = false;

                Items[i].IsDoor = false;

                Items[i].IsDoorWithLock = false;

                Items[i].Speed = 0;

                Items[i].CanDecay = false;

                Items[i].HasExtraByte = false;

                Items[i].IsField = false;

                Items[i].IsDepot = false;

                Items[i].MoreAlwaysOnTop = false;

                Items[i].Useable2 = false;

            }

            FileStream stream = new FileStream(file, FileMode.Open, FileAccess.Read);

            BinaryReader Reader = new BinaryReader(stream);

            try

            {

                Reader.ReadBytes(8);

                tbyte = Reader.ReadByte();

                Reader.ReadBytes(3);

                option = Reader.ReadByte();

                Id = 100;

                while (true)

                {

                    while (option != 0xFF)

                    {

                        switch (option)

                        {

                            case 0x00:

                                Items[Id].IsGroundTile = true;

                                Items[Id].Speed = Reader.ReadByte();

                                if (Items[Id].Speed == 0)

                                {

                                    Items[Id].Blocking = true;

                                }

                                Reader.ReadByte();

                                break;

                            case 0x01:

                                Items[Id].MoreAlwaysOnTop = true;

                                break;

                            case 0x02:

                                Items[Id].AlwaysOnTop = true;

                                break;

                            case 0x03:

                                Items[Id].AlwaysOnTop = true;

                                Items[Id].IsWalkable = true;

                                break;

                            case 0x04:

                                Items[Id].IsContainer = true;

                                break;

                            case 0x05:

                                Items[Id].IsStackable = true;

                                break;

                            case 0x06:

                                Items[Id].Useable = true;

                                break;

                            case 0x07:

                                Items[Id].Useable2 = true;

                                break;

                            case 0x09:

                                Items[Id].ReadWriteInfo = 3;

                                Reader.ReadByte();

                                Reader.ReadByte();

                                break;

                            case 0x0A:

                                Items[Id].ReadWriteInfo = 1;

                                Reader.ReadByte();

                                Reader.ReadByte();

                                break;

                            case 0x0B:

                                Items[Id].IsFluidContainer = true;

                                break;

                            case 0x0C:

                                Items[Id].MultiType = true;

                                break;

                            case 0x0D:

                                Items[Id].Blocking = true;

                                break;

                            case 0x0E:

                                Items[Id].IsNotMovable = true;

                                break;

                            case 0x11:

                                Items[Id].IsPickupAble = true;

                                break;

                            case 0x16:

                                Reader.ReadUInt16();

                                Reader.ReadUInt16();

                                break;

                            case 0x19:

                                Reader.ReadUInt16();

                                Reader.ReadUInt16();

                                break;

                            case 0x1A:

                                Items[Id].BlockPickupable = false;

                                Reader.ReadByte();

                                Reader.ReadByte();

                                break;

                            case 0x1B:

                                Items[Id].CanDecay = false;

                                break;

                            default:

                                break;

                        }

                        option = Reader.ReadByte();

                    }

                    if (Items[Id].IsStackable || Items[Id].MultiType || Items[Id].IsFluidContainer)

                    {

                        Items[Id].HasExtraByte = true;

                    }

                    if (Items[Id].MoreAlwaysOnTop)

                    {

                        Items[Id].AlwaysOnTop = true;

                    }

                    if ((Id >= 0x4608 && Id <= 0x4F08) || (Id >= 0x5308 && Id <= 0x5A08))

                    {

                        Items[Id].IsField = true;

                    }

                    int Width = Reader.ReadByte();

                    int Height = Reader.ReadByte();

                    if (Width > 1 || Height > 1)

                    {

                        Reader.ReadByte();

                    }

                    int BlendFrames = Reader.ReadByte();

                    int Xdiv = Reader.ReadByte();

                    int Ydiv = Reader.ReadByte();

                    int AnimCcount = Reader.ReadByte();

                    int Rare = Reader.ReadByte();

                    Reader.ReadBytes(Width * Height * BlendFrames * Xdiv * Ydiv * AnimCcount * Rare * 2);

                    Id++;

                }

            }

            catch (EndOfStreamException e)

            {

            }

            catch (Exception e)

            {

                return null;

            }

            return Items;

        }

    }

}

​