context: using System;
  using Server.Gumps;
  using Server.Multis;
  using Server.Network;
  using Server.Targeting;
  
  namespace Server.Items
  {
      public class DecorativeShardShield : Item, IAddon
      {
          public override bool IsArtifact { get { return true; } }
  
          [Constructable]
          public DecorativeShardShield()
              : this(0x6380)
          {
          }
  
          [Constructable]
          public DecorativeShardShield(int itemID)
              : base(itemID)
          {
              this.Movable = false;
          }
  
          public DecorativeShardShield(Serial serial)
              : base(serial)
          {
          }
  
          public override bool ForceShowProperties
          {
              get
              {
                  return ObjectPropertyList.Enabled;
              }
          }
          public Item Deed
          {
              get
              {
                  DecorativeShardShieldDeed deed = new DecorativeShardShieldDeed();
  
                  return deed;
              }
          }
          public bool FacingEast
          {
              get
              {
                  return this.ItemID <= 0x639A;
              }
          }
  
          void IChopable.OnChop(Mobile user)
          {
              OnDoubleClick(user);
          }
  
          public override void OnDoubleClick(Mobile from)
          {
              if (from.InRange(this.Location, 2))
              {
                  BaseHouse house = BaseHouse.FindHouseAt(this);
  
                  if (house != null && house.IsOwner(from))
                  {
                      from.CloseGump(typeof(RewardDemolitionGump));
                      from.SendGump(new RewardDemolitionGump(this, 1049783)); // Do you wish to re-deed this decoration?
                  }
                  else
                      from.SendLocalizedMessage(1049784); // You can only re-deed this decoration if you are the house owner or originally placed the decoration.
              }
              else
                  from.LocalOverheadMessage(MessageType.Regular, 0x3B2, 1019045); // I can't reach that.
          }
  
          public override void Serialize(GenericWriter writer)
          {
              base.Serialize(writer);
  
              writer.WriteEncodedInt(0); // version
          }
  
          public override void Deserialize(GenericReader reader)
          {
              base.Deserialize(reader);
  
              int version = reader.ReadEncodedInt();
          }
  
          public bool CouldFit(IPoint3D p, Map map)
          {
              if (map == null || !map.CanFit(p.X, p.Y, p.Z, this.ItemData.Height))
                  return false;
  
              if (this.FacingEast)
                  return BaseAddon.IsWall(p.X - 1, p.Y, p.Z, map); // west wall                
              else
                  return BaseAddon.IsWall(p.X, p.Y - 1, p.Z, map); // north wall
          }
      }
  
      public class DecorativeShardShieldDeed : Item
      {
          public override int LabelNumber { get { return 1153729; } } // Deed for a Decorative Shard Shield
  
          [Constructable]
          public DecorativeShardShieldDeed()
              : base(0x14F0)
          {
              this.LootType = LootType.Blessed;
              this.Weight = 1.0;
          }
  
          public DecorativeShardShieldDeed(Serial serial)
              : base(serial)
          {
          }
  
          public static int GetSouthItemID(int south)
          {
              return south + 27;
          }
  
          public override void OnDoubleClick(Mobile from)
          {
              if (this.IsChildOf(from.Backpack))
              {
                  from.CloseGump(typeof(InternalGump));
                  from.SendGump(new InternalGump(this));
              }
              else
                  from.SendLocalizedMessage(1042038); // You must have the object in your backpack to use it.          	
          }
  
          public override void Serialize(GenericWriter writer)
          {
              base.Serialize(writer);
  
              writer.WriteEncodedInt(0); // version
          }
  
          public override void Deserialize(GenericReader reader)
          {
              base.Deserialize(reader);
  
              int version = reader.ReadEncodedInt();
          }
  
          private class InternalGump : Gump
          {
              public const int Start = 25472;
              public const int End = 25498;
              private readonly DecorativeShardShieldDeed m_Shield;
              private readonly int m_Page;
              public InternalGump(DecorativeShardShieldDeed shield)
                  : this(shield, 1)
              {
              }
  
              public InternalGump(DecorativeShardShieldDeed shield, int page)
                  : base(150, 50)
              {
                  this.m_Shield = shield;
                  this.m_Page = page;
  
                  this.Closable = true;
                  this.Disposable = true;
                  this.Dragable = true;
                  this.Resizable = false;
  
                  this.AddPage(0);
  
                  this.AddBackground(50, 89, 647, 505, 2600);
                  this.AddLabel(103, 114, 0, @"Choose from the following:");
  
                  int itemID = Start;
  
  
                  for (int i = 0; i < 27; i++)
                  {
                      if (8 >= i)
                      {
                          this.AddItem(82 + i * 65, 180, itemID);
                          this.AddTooltip(1104344 + i);
                          this.AddButton(92 + i * 65, 155, 0x845, 0x846, itemID, GumpButtonType.Reply, 0);
                          this.AddTooltip(1104344 + i);
                      }
                      else if (i > 8 && i < 18)
                      {
  
                          this.AddItem(82 + ((i - 9) * 65), 330, itemID);
                          this.AddTooltip(1104344 + i);
                          this.AddButton(92 + ((i - 9) * 65), 305, 0x845, 0x846, itemID, GumpButtonType.Reply, 0);
                          this.AddTooltip(1104344 + i);
                      }
                      else if (i >= 18 && 26 >= i)
                      {
                          this.AddItem(82 + ((i - 18) * 65), 480, itemID);
                          this.AddTooltip(1104344 + i);
                          this.AddButton(92 + ((i - 18) * 65), 455, 0x845, 0x846, itemID, GumpButtonType.Reply, 0);
                          this.AddTooltip(1104344 + i);
                      }
  
                      itemID++;
                  }
              }
  
              public override void OnResponse(NetState sender, RelayInfo info)
              {
                  if (this.m_Shield == null || this.m_Shield.Deleted)
                      return;
  
                  Mobile m = sender.Mobile;
  
                  if (info.ButtonID >= Start && info.ButtonID <= End)
                  {
                      if ((info.ButtonID & 0x1) == 0 && info.ButtonID < 0x6380 || info.ButtonID >= 0x6380 && info.ButtonID <= 0x639A)
                      {
                          m.SendLocalizedMessage(1049780); // Where would you like to place this decoration?
                          m.Target = new InternalTarget(this.m_Shield, info.ButtonID);
                      }
                  }
              }
          }
  
          private class InternalTarget : Target
          {
              private readonly DecorativeShardShieldDeed m_Shield;
              private readonly int m_ItemID;
              public InternalTarget(DecorativeShardShieldDeed shield, int itemID)
                  : base(-1, true, TargetFlags.None)
              {
                  this.m_Shield = shield;
                  this.m_ItemID = itemID;
              }
  
              protected override void OnTarget(Mobile from, object targeted)
              {
                  if (this.m_Shield == null || this.m_Shield.Deleted)
                      return;
  
                  if (this.m_Shield.IsChildOf(from.Backpack))
                  {
                      BaseHouse house = BaseHouse.FindHouseAt(from);
  
                      if (house != null && house.IsOwner(from))
                      {
                          IPoint3D p = targeted as IPoint3D;
                          Map map = from.Map;
  
                          if (p == null || map == null)
                              return;
  
                          Point3D p3d = new Point3D(p);
                          ItemData id = TileData.ItemTable[this.m_ItemID & TileData.MaxItemValue];
  
                          if (map.CanFit(p3d, id.Height))
                          {
                              house = BaseHouse.FindHouseAt(p3d, map, id.Height);
  
                              if (house != null && house.IsCoOwner(from))
                              {
                                  bool north = BaseAddon.IsWall(p3d.X, p3d.Y - 1, p3d.Z, map);
                                  bool west = BaseAddon.IsWall(p3d.X - 1, p3d.Y, p3d.Z, map);
  
                                  if (north && west)
                                  {
                                      from.CloseGump(typeof(FacingGump));
                                      from.SendGump(new FacingGump(this.m_Shield, this.m_ItemID, p3d, house));
                                  }
                                  else if (north || west)
                                  {
                                      DecorativeShardShield shield = null;
  
                                      if (north)
                                          shield = new DecorativeShardShield(GetSouthItemID(this.m_ItemID));
                                      else if (west)
                                          shield = new DecorativeShardShield(this.m_ItemID);
  
                                      house.Addons[shield] = from;
                                      shield.MoveToWorld(p3d, map);
  
                                      this.m_Shield.Delete();
                                  }
                                  else
                                      from.SendLocalizedMessage(1049781); // This decoration must be placed next to a wall.		
                              }
                              else
                                  from.SendLocalizedMessage(1042036); // That location is not in your house.
                          }
                          else
                              from.SendLocalizedMessage(500269); // You cannot build that there.		
                      }
                      else
                          from.SendLocalizedMessage(502092); // You must be in your house to do this.
                  }
                  else
                      from.SendLocalizedMessage(1042038); // You must have the object in your backpack to use it.    
              }
  
              private class FacingGump : Gump
              {
                  private readonly DecorativeShardShieldDeed m_Shield;
                  private readonly int m_ItemID;
                  private readonly Point3D m_Location;
                  private readonly BaseHouse m_House;
                  public FacingGump(DecorativeShardShieldDeed shield, int itemID, Point3D location, BaseHouse house)
                      : base(150, 50)
                  {
                      this.m_Shield = shield;
                      this.m_ItemID = itemID;
                      this.m_Location = location;
                      this.m_House = house;
  
                      this.AddBackground(0, 0, 300, 150, 0xA28);
  
                      this.AddItem(90, 30, itemID);
                      this.AddItem(180, 30, GetSouthItemID(itemID));
  
                      this.AddButton(50, 35, 0x867, 0x869, (int)Buttons.East, GumpButtonType.Reply, 0);
                      this.AddButton(145, 35, 0x867, 0x869, (int)Buttons.South, GumpButtonType.Reply, 0);
                  }
  
                  private enum Buttons
                  {
                      Cancel,
                      South,
                      East
                  }
                  public override void OnResponse(NetState sender, RelayInfo info)
                  {
                      if (this.m_Shield == null || this.m_Shield.Deleted || this.m_House == null)
                          return;
  
                      DecorativeShardShield shield = null;
  
                      if (info.ButtonID == (int)Buttons.East)
  
gt:                         shield = new DecorativeShardShield(this.m_ItemID);