/***************************************************************************
 *                                BaseMulti.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;

namespace Server.Items
{
	public class BaseMulti : Item
	{
		[Constructable]
		public BaseMulti( int itemID ) : base( itemID )
		{
			Movable = false;
		}

		public BaseMulti( Serial serial ) : base( serial )
		{
		}

		[CommandProperty( AccessLevel.GameMaster )]
		public override int ItemID {
			get {
				return base.ItemID;
			}
			set {
				if ( base.ItemID != value ) {
					Map facet = ( this.Parent == null ? this.Map : null );

					if ( facet != null ) {
						facet.OnLeave( this );
					}

					base.ItemID = value;

					if ( facet != null ) {
						facet.OnEnter( this );
					}
				}
			}
		}

		[Obsolete( "Replace with calls to OnLeave and OnEnter surrounding component invalidation.", true )]
		public virtual void RefreshComponents()
		{
			if ( this.Parent == null ) {
				Map facet = this.Map;

				if ( facet != null ) {
					facet.OnLeave( this );
					facet.OnEnter( this );
				}
			}
		}

		public override int LabelNumber
		{
			get
			{
				MultiComponentList mcl = this.Components;

				if ( mcl.List.Length > 0 ) {
					int id = mcl.List[0].m_ItemID;

					if ( id < 0x4000 )
						return 1020000 + id;
					else
						return 1078872 + id;
				}

				return base.LabelNumber;
			}
		}

		public override int GetMaxUpdateRange()
		{
			return 22;
		}

		public override int GetUpdateRange( Mobile m )
		{
			return 22;
		}

		public virtual MultiComponentList Components
		{
			get
			{
				return MultiData.GetComponents( ItemID );
			}
		}

		public virtual bool Contains( Point2D p )
		{
			return Contains( p.m_X, p.m_Y );
		}

		public virtual bool Contains( Point3D p )
		{
			return Contains( p.m_X, p.m_Y );
		}

		public virtual bool Contains( IPoint3D p )
		{
			return Contains( p.X, p.Y );
		}

		public virtual bool Contains( int x, int y )
		{
			MultiComponentList mcl = this.Components;

			x -= this.X + mcl.Min.m_X;
			y -= this.Y + mcl.Min.m_Y;

			return x >= 0
				&& x < mcl.Width
				&& y >= 0
				&& y < mcl.Height
				&& mcl.Tiles[x][y].Length > 0;
		}

		public bool Contains( Mobile m )
		{
			if ( m.Map == this.Map )
				return Contains( m.X, m.Y );
			else
				return false;
		}

		public bool Contains( Item item )
		{
			if ( item.Map == this.Map )
				return Contains( item.X, item.Y );
			else
				return false;
		}

		public override void Serialize( GenericWriter writer )
		{
			base.Serialize( writer );

			writer.Write( (int) 1 ); // version
		}

		public override void Deserialize( GenericReader reader )
		{
			base.Deserialize( reader );

			int version = reader.ReadInt();

			if ( version == 0 ) {
				if ( ItemID >= 0x4000 ) {
					ItemID -= 0x4000;
				}
			}
		}
	}
}