context: /***************************************************************************
   *                                TileData.cs
   *                            -------------------
   *   begin                : May 1, 2002
   *   copyright            : (C) The RunUO Software Team
   *   email                : info@runuo.com
   *
   *   $Id$
   *
   ***************************************************************************/
  
  /***************************************************************************
   *
   *   This program is free software; you can redistribute it and/or modify
   *   it under the terms of the GNU General Public License as published by
   *   the Free Software Foundation; either version 2 of the License, or
   *   (at your option) any later version.
   *
   ***************************************************************************/
  
  using System;
  using System.IO;
  using System.Text;
  
  namespace Server
  {
  	public struct LandData
  	{
  		private string m_Name;
  		private TileFlag m_Flags;
  
  		public LandData( string name, TileFlag flags )
  		{
  			m_Name = name;
  			m_Flags = flags;
  		}
  
  		public string Name
  		{
  			get{ return m_Name; }
  			set{ m_Name = value; }
  		}
  
  		public TileFlag Flags
  		{
  			get{ return m_Flags; }
  			set{ m_Flags = value; }
  		}
  	}
  
  	public struct ItemData
  	{
  		private string m_Name;
  		private TileFlag m_Flags;
  		private byte m_Weight;
  		private byte m_Quality;
  		private byte m_Quantity;
  		private byte m_Value;
  		private byte m_Height;
  
  		public ItemData( string name, TileFlag flags, int weight, int quality, int quantity, int value, int height )
  		{
  			m_Name = name;
  			m_Flags = flags;
  			m_Weight = (byte)weight;
  			m_Quality = (byte)quality;
  			m_Quantity = (byte)quantity;
  			m_Value = (byte)value;
  			m_Height = (byte)height;
  		}
  
  		public string Name
  		{
  			get{ return m_Name; }
  			set{ m_Name = value; }
  		}
  
  		public TileFlag Flags
  		{
  			get{ return m_Flags; }
  			set{ m_Flags = value; }
  		}
  
  		public bool Bridge
  		{
  			get{ return (m_Flags & TileFlag.Bridge) != 0; }
  			set
  			{
  				if ( value )
  					m_Flags |= TileFlag.Bridge;
  				else
  					m_Flags &= ~TileFlag.Bridge;
  			}
  		}
  
  		public bool Impassable
  		{
  			get{ return (m_Flags & TileFlag.Impassable) != 0; }
  			set
  			{
  				if ( value )
  					m_Flags |= TileFlag.Impassable;
  				else
  					m_Flags &= ~TileFlag.Impassable;
  			}
  		}
  
  		public bool Surface
  		{
  			get{ return (m_Flags & TileFlag.Surface) != 0; }
  			set
  			{
  				if ( value )
  					m_Flags |= TileFlag.Surface;
  				else
  					m_Flags &= ~TileFlag.Surface;
  			}
  		}
  
  		public int Weight
  		{
  			get{ return m_Weight; }
  			set{ m_Weight = (byte)value; }
  		}
  
  		public int Quality
  		{
  			get{ return m_Quality; }
  			set{ m_Quality = (byte)value; }
  		}
  
  		public int Quantity
  		{
  			get{ return m_Quantity; }
  			set{ m_Quantity = (byte)value; }
  		}
  
  		public int Value
  		{
  			get{ return m_Value; }
  			set{ m_Value = (byte)value; }
  		}
  
  		public int Height
  		{
  			get{ return m_Height; }
  			set{ m_Height = (byte)value; }
  		}
  
  		public int CalcHeight
  		{
  			get
  			{
  				if ( (m_Flags & TileFlag.Bridge) != 0 )
  					return m_Height / 2;
  				else
  					return m_Height;
  			}
  		}
  	}
  
  	[Flags]
  	public enum TileFlag : long
  	{
  		None			= 0x00000000,
  		Background		= 0x00000001,
  		Weapon			= 0x00000002,
  		Transparent		= 0x00000004,
  		Translucent		= 0x00000008,
  		Wall			= 0x00000010,
  		Damaging		= 0x00000020,
  		Impassable		= 0x00000040,
  		Wet				= 0x00000080,
  		Unknown1		= 0x00000100,
  		Surface			= 0x00000200,
  		Bridge			= 0x00000400,
  		Generic			= 0x00000800,
  		Window			= 0x00001000,
  		NoShoot			= 0x00002000,
  		ArticleA		= 0x00004000,
  		ArticleAn		= 0x00008000,
  		Internal		= 0x00010000,
  		Foliage			= 0x00020000,
  		PartialHue		= 0x00040000,
  		Unknown2		= 0x00080000,
  		Map				= 0x00100000,
  		Container		= 0x00200000,
  		Wearable		= 0x00400000,
  		LightSource		= 0x00800000,
  		Animation		= 0x01000000,
  		NoDiagonal		= 0x02000000,
  		Unknown3		= 0x04000000,
  		Armor			= 0x08000000,
  		Roof			= 0x10000000,
  		Door			= 0x20000000,
  		StairBack		= 0x40000000,
  		StairRight		= 0x80000000
  	}
  
  	public static class TileData
  	{
  		private static LandData[] m_LandData;
  		private static ItemData[] m_ItemData;
  
  		public static LandData[] LandTable
  		{
  			get
  			{
  				return m_LandData;
  			}
  		}
  
  		public static ItemData[] ItemTable
  		{
  			get
  			{
  				return m_ItemData;
  			}
  		}
  
  		private static int m_MaxLandValue;
  		private static int m_MaxItemValue;
  
  		public static int MaxLandValue {
  			get { return m_MaxLandValue; }
  		}
  
  		public static int MaxItemValue {
  			get { return m_MaxItemValue; }
  		}
  
  		private static byte[] m_StringBuffer = new byte[20];
  
  		private static string ReadNameString( BinaryReader bin )
  		{
  			bin.Read( m_StringBuffer, 0, 20 );
  
  			int count;
  
  			for ( count = 0; count < 20 && m_StringBuffer[count] != 0; ++count );
  
  			return Encoding.ASCII.GetString( m_StringBuffer, 0, count );
  		}
  
  		static TileData()
  		{
  			string filePath = Core.FindDataFile( "tiledata.mul" );
  
  			if ( File.Exists( filePath ) )
  			{
  				using ( FileStream fs = new FileStream( filePath, FileMode.Open, FileAccess.Read, FileShare.Read ) )
  				{
  					BinaryReader bin = new BinaryReader( fs );
  
  					if ( fs.Length == 3188736 ) { // 7.0.9.0
  						m_LandData = new LandData[0x4000];
  
  						for ( int i = 0; i < 0x4000; ++i )
  						{
  							if ( i == 1 || ( i > 0 && (i & 0x1F) == 0 ) )
  							{
  								bin.ReadInt32(); // header
  							}
  
  							TileFlag flags = (TileFlag)bin.ReadInt64();
  							bin.ReadInt16(); // skip 2 bytes -- textureID
  
  							m_LandData[i] = new LandData( ReadNameString( bin ), flags );
  						}
  
  						m_ItemData = new ItemData[0x10000];
  
  						for ( int i = 0; i < 0x10000; ++i )
  						{
  							if ( (i & 0x1F) == 0 )
  							{
  								bin.ReadInt32(); // header
  							}
  
  							TileFlag flags = (TileFlag)bin.ReadInt64();
  							int weight = bin.ReadByte();
  							int quality = bin.ReadByte();
  							bin.ReadInt16();
  							bin.ReadByte();
  							int quantity = bin.ReadByte();
  							bin.ReadInt32();
  							bin.ReadByte();
  							int value = bin.ReadByte();
  							int height = bin.ReadByte();
  
  							m_ItemData[i] = new ItemData( ReadNameString( bin ), flags, weight, quality, quantity, value, height );
  						}
  					} else {
  						m_LandData = new LandData[0x4000];
  
  						for ( int i = 0; i < 0x4000; ++i )
  						{
  							if ( (i & 0x1F) == 0 )
  							{
  								bin.ReadInt32(); // header
  							}
  
  							TileFlag flags = (TileFlag)bin.ReadInt32();
  							bin.ReadInt16(); // skip 2 bytes -- textureID
  
  							m_LandData[i] = new LandData( ReadNameString( bin ), flags );
  						}
  
  						if ( fs.Length == 1644544 ) { // 7.0.0.0
  							m_ItemData = new ItemData[0x8000];
  
  							for ( int i = 0; i < 0x8000; ++i )
  							{
  								if ( (i & 0x1F) == 0 )
  								{
  									bin.ReadInt32(); // header
  								}
  
  								TileFlag flags = (TileFlag)bin.ReadInt32();
  								int weight = bin.ReadByte();
  								int quality = bin.ReadByte();
  								bin.ReadInt16();
  								bin.ReadByte();
  								int quantity = bin.ReadByte();
  								bin.ReadInt32();
  								bin.ReadByte();
  								int value = bin.ReadByte();
  
gt: 								int height = bin.ReadByte();