context: using System;
  using Server;
  using Server.Gumps;
  using Server.Targeting;
  using Server.Network;
  using Server.Engines.VeteranRewards;
  
  namespace Server.Items
  {
  	public enum CannonDirection
  	{
  		North,
  		East,
  		South,
  		West
  	}
  
  	public class CannonAddonComponent : AddonComponent
  	{
  		public override int LabelNumber { get { return 1076157; } } // Decorative Cannon
  
  		public CannonAddonComponent( int itemID )
  			: base( itemID )
  		{
  			LootType = LootType.Blessed;
  		}
  
  		public CannonAddonComponent( Serial serial )
  			: base( serial )
  		{
  		}
  
  		public override void GetProperties( ObjectPropertyList list )
  		{
  			base.GetProperties( list );
  
  			if ( Addon is CannonAddon )
  			{
  				if ( ( (CannonAddon) Addon ).IsRewardItem )
  					list.Add( 1076223 ); // 7th Year Veteran Reward
  
  				list.Add( 1076207, ( (CannonAddon) Addon ).Charges.ToString() ); // Remaining Charges: ~1_val~
  			}
  		}
  
  		public override void Serialize( GenericWriter writer )
  		{
  			base.Serialize( writer );
  
  			writer.Write( (int) 0 ); // version
  		}
  
  		public override void Deserialize( GenericReader reader )
  		{
  			base.Deserialize( reader );
  
  			int version = reader.ReadInt();
  		}
  	}
  
  	public class CannonAddon : BaseAddon
  	{
  		public override BaseAddonDeed Deed
  		{
  			get
  			{
  				CannonDeed deed = new CannonDeed();
  				deed.Charges = m_Charges;
  				deed.IsRewardItem = m_IsRewardItem;
  
  				return deed;
  			}
  		}
  
  		private CannonDirection m_CannonDirection;
  		private int m_Charges;
  		private bool m_IsRewardItem;
  
  		[CommandProperty( AccessLevel.GameMaster )]
  		public CannonDirection CannonDirection
  		{
  			get { return m_CannonDirection; }
  		}
  
  		[CommandProperty( AccessLevel.GameMaster )]
  		public int Charges
  		{
  			get { return m_Charges; }
  			set
  			{
  				m_Charges = value;
  
  				foreach ( AddonComponent c in AddonComponents )
  					c.InvalidateProperties();
  			}
  		}
  
  		[CommandProperty( AccessLevel.GameMaster )]
  		public bool IsRewardItem
  		{
  			get { return m_IsRewardItem; }
  			set
  			{
  				m_IsRewardItem = value;
  
  				foreach ( AddonComponent c in AddonComponents )
  					c.InvalidateProperties();
  			}
  		}
  
  		[Constructable]
  		public CannonAddon( CannonDirection direction )
  		{
  			m_CannonDirection = direction;
  
  			switch ( direction )
  			{
  				case CannonDirection.North:
  					{
  						AddComponent( new CannonAddonComponent( 0xE8D ), 0, 0, 0 );
  						AddComponent( new CannonAddonComponent( 0xE8C ), 0, 1, 0 );
  						AddComponent( new CannonAddonComponent( 0xE8B ), 0, 2, 0 );
  
  						break;
  					}
  				case CannonDirection.East:
  					{
  						AddComponent( new CannonAddonComponent( 0xE96 ), 0, 0, 0 );
  						AddComponent( new CannonAddonComponent( 0xE95 ), -1, 0, 0 );
  						AddComponent( new CannonAddonComponent( 0xE94 ), -2, 0, 0 );
  
  						break;
  					}
  				case CannonDirection.South:
  					{
  						AddComponent( new CannonAddonComponent( 0xE91 ), 0, 0, 0 );
  						AddComponent( new CannonAddonComponent( 0xE92 ), 0, -1, 0 );
  						AddComponent( new CannonAddonComponent( 0xE93 ), 0, -2, 0 );
  
  						break;
  					}
  				default:
  					{
  						AddComponent( new CannonAddonComponent( 0xE8E ), 0, 0, 0 );
  						AddComponent( new CannonAddonComponent( 0xE8F ), 1, 0, 0 );
  						AddComponent( new CannonAddonComponent( 0xE90 ), 2, 0, 0 );
  
  						break;
  					}
  			}
  		}
  
  		public CannonAddon( Serial serial )
  			: base( serial )
  		{
  		}
  
  		public override void OnComponentUsed( AddonComponent c, Mobile from )
  		{
  			if ( from.InRange( Location, 2 ) )
  			{
  				if ( m_Charges > 0 )
  				{
  					from.Target = new InternalTarget( this );
  				}
  				else
  				{
  					if ( from.Backpack != null )
  					{
  						PotionKeg keg = from.Backpack.FindItemByType( typeof( PotionKeg ) ) as PotionKeg;
  
  						if ( Validate( keg ) > 0 )
  							from.SendGump( new InternalGump( this, keg ) );
  						else
  							from.SendLocalizedMessage( 1076198 ); // You do not have a full keg of explosion potions needed to recharge the cannon.
  					}
  				}
  			}
  			else
  				from.SendLocalizedMessage( 1076766 ); // That is too far away.
  		}
  
  		public int Validate( PotionKeg keg )
  		{
  			if ( keg != null && !keg.Deleted && keg.Held == 100 )
  			{
  				if ( keg.Type == PotionEffect.ExplosionLesser )
  					return 5;
  				else if ( keg.Type == PotionEffect.Explosion )
  					return 10;
  				else if ( keg.Type == PotionEffect.ExplosionGreater )
  					return 15;
  			}
  
  			return 0;
  		}
  
  		public void Fill( Mobile from, PotionKeg keg )
  		{
  			Charges = Validate( keg );
  
  			if ( Charges > 0 )
  			{
  				keg.Delete();
  				from.SendLocalizedMessage( 1076199 ); // Your cannon is recharged.
  			}
  			else
  				from.SendLocalizedMessage( 1076198 ); // You do not have a full keg of explosion potions needed to recharge the cannon.
  		}
  
  		private static int[] m_Effects = new int[]
  		{
  			0x36B0, 0x3728, 0x3709, 0x36FE
  		};
  
  		public void DoFireEffect( IPoint3D target )
  		{
  			Map map = Map;
  
  			if ( target == null || map == null )
  				return;
  
  			Effects.PlaySound( target, map, Utility.RandomList( 0x11B, 0x11C, 0x11D ) );
  			Effects.SendLocationEffect( target, map, Utility.RandomList( m_Effects ), 16, 1 );
  
  			for ( int count = Utility.Random( 3 ); count > 0; count-- )
  			{
  				IPoint3D location = new Point3D( target.X + Utility.RandomMinMax( -1, 1 ), target.Y + Utility.RandomMinMax( -1, 1 ), target.Z );
  				int effect = Utility.RandomList( m_Effects );
  				Effects.SendLocationEffect( location, map, effect, 16, 1 );
  			}
  
  			Charges -= 1;
  		}
  
  		public override void Serialize( GenericWriter writer )
  		{
  			base.Serialize( writer );
  
  			writer.WriteEncodedInt( 0 ); // version
  
  			writer.Write( (int) m_CannonDirection );
  			writer.Write( (int) m_Charges );
  			writer.Write( (bool) m_IsRewardItem );
  		}
  
  		public override void Deserialize( GenericReader reader )
  		{
  			base.Deserialize( reader );
  
  			int version = reader.ReadEncodedInt();
  
  			m_CannonDirection = (CannonDirection) reader.ReadInt();
  			m_Charges = reader.ReadInt();
  			m_IsRewardItem = reader.ReadBool();
  		}
  
  		private class InternalTarget : Target
  		{
  			private CannonAddon m_Cannon;
  
  			public InternalTarget( CannonAddon cannon )
  				: base( 12, true, TargetFlags.None )
  			{
  				m_Cannon = cannon;
  			}
  
  			protected override void OnTarget( Mobile from, object targeted )
  			{
  				if ( m_Cannon == null || m_Cannon.Deleted )
  					return;
  
  				IPoint3D p = targeted as IPoint3D;
  
  				if ( p == null )
  					return;
  
  				if ( from.InLOS( p ) )
  				{
  					if ( !m_Cannon.InRange( p, 2 ) )
  					{
  						bool allow = false;
  
  						int x = p.X - m_Cannon.X;
  						int y = p.Y - m_Cannon.Y;
  
  						switch ( m_Cannon.CannonDirection )
  						{
  							case CannonDirection.North:
  								if ( y < 0 && Math.Abs( x ) <= -y / 3 )
  									allow = true;
  
  								break;
  							case CannonDirection.East:
  								if ( x > 0 && Math.Abs( y ) <= x / 3 )
  									allow = true;
  
  								break;
  							case CannonDirection.South:
  								if ( y > 0 && Math.Abs( x ) <= y / 3 )
  									allow = true;
  
  								break;
  							case CannonDirection.West:
  								if ( x < 0 && Math.Abs( y ) <= -x / 3 )
  									allow = true;
  
  								break;
  						}
  
  						if ( allow )
  							m_Cannon.DoFireEffect( p );
  						else
  							from.SendLocalizedMessage( 1076203 ); // Target out of range.
  					}
  					else
  						from.SendLocalizedMessage( 1076215 ); // Cannon must be aimed farther away.
  				}
  				else
  					from.SendLocalizedMessage( 1049630 ); // You cannot see that target!
  			}
  
  			protected override void OnTargetOutOfRange( Mobile from, object targeted )
  			{
  				from.SendLocalizedMessage( 1076203 ); // Target out of range.
  			}
  		}
  
  		private class InternalGump : Gump
  		{
  			private CannonAddon m_Cannon;
  			private PotionKeg m_Keg;
  
  			private enum Buttons
  			{
  				Cancel,
  				Recharge
  			}
  
  			public InternalGump( CannonAddon cannon, PotionKeg keg )
  				: base( 50, 50 )
  			{
  				m_Cannon = cannon;
  				m_Keg = keg;
  
  				Closable = true;
  				Disposable = true;
  				Dragable = true;
  				Resizable = false;
  
  				AddPage( 0 );
  
  				AddBackground( 0, 0, 291, 133, 0x13BE );
  				AddImageTiled( 5, 5, 280, 100, 0xA40 );
  
  				//AddHtmlLocalized( 9, 9, 272, 100, 1076196, cannon.Validate( keg ).ToString(), 0x7FFF, false, false ); // You will need a full keg of explosion potions to recharge the cannon.  Your keg will provide ~1_CHARGES~ charges.
  
  				AddHtml( 9, 9, 272, 100, string.Format( "<basefont color=#FFFFFF>You will need a full keg of explosion potions to recharge the cannon.  Your keg will provide {0} charges.</basefont>", cannon.Validate( keg ).ToString() ), false, false );
  				AddButton( 5, 107, 0xFB1, 0xFB2, (int) Buttons.Cancel, GumpButtonType.Reply, 0 );
  				AddHtmlLocalized( 40, 109, 100, 20, 1060051, 0x7FFF, false, false ); // CANCEL
  
  				AddButton( 160, 107, 0xFB7, 0xFB8, (int) Buttons.Recharge, GumpButtonType.Reply, 0 );
  				AddHtmlLocalized( 195, 109, 120, 20, 1076197, 0x7FFF, false, false ); // Recharge
  			}
  
  			public override void OnResponse( NetState state, RelayInfo info )
  			{
  				if ( m_Cannon == null || m_Cannon.Deleted )
  					return;
  
  				if ( info.ButtonID == (int) Buttons.Recharge )
  					m_Cannon.Fill( state.Mobile, m_Keg );
  			}
  		}
  	}
  
  	public class CannonDeed : BaseAddonDeed, IRewardItem, IRewardOption
  	{
  		public override int LabelNumber { get { return 1076195; } } // A deed for a cannon
  
  		public override BaseAddon Addon
  		{
  			get
  			{
  				CannonAddon addon = new CannonAddon( m_Direction );
  				addon.Charges = m_Charges;
  				addon.IsRewardItem = m_IsRewardItem;
  
  				return addon;
  			}
  		}
  
  		private CannonDirection m_Direction;
  		private int m_Charges;
  		private bool m_IsRewardItem;
  
  		[CommandProperty( AccessLevel.GameMaster )]
  		public int Charges
  		{
  			get { return m_Charges; }
  			set { m_Charges = value; InvalidateProperties(); }
  		}
  
  		[CommandProperty( AccessLevel.GameMaster )]
  		public bool IsRewardItem
  		{
  			get { return m_IsRewardItem; }
  			set { m_IsRewardItem = value; InvalidateProperties(); }
  		}
  
  		[Constructable]
  		public CannonDeed()
  			: base()
  		{
  			LootType = LootType.Blessed;
  		}
  
  		public CannonDeed( Serial serial )
  			: base( serial )
  		{
  		}
  
  		public override void GetProperties( ObjectPropertyList list )
  		{
  			base.GetProperties( list );
  
  			if ( m_IsRewardItem )
  				list.Add( 1076223 ); // 7th Year Veteran Reward
  
  			list.Add( 1076207, m_Charges.ToString() ); // Remaining Charges: ~1_val~
  		}
  
  		public override void OnDoubleClick( Mobile from )
  		{
  			if ( m_IsRewardItem && !RewardSystem.CheckIsUsableBy( from, this, null ) )
  				return;
  
  			if ( IsChildOf( from.Backpack ) )
  			{
  				from.CloseGump<RewardOptionGump>();
  				from.SendGump( new RewardOptionGump( 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
  
  			writer.Write( (int) m_Charges );
  			writer.Write( (bool) m_IsRewardItem );
  		}
  
  		public override void Deserialize( GenericReader reader )
  		{
  			base.Deserialize( reader );
  
  
gt: 			int version = reader.ReadEncodedInt();