RunUO 2.0 Hearthstone: HomeEntry

using System;
using Server;
using Server.Mobiles;
using Server.Regions;

namespace Server.Items
{
    public partial class Hearthstone : Item
    {
        [PropertyObject]
        public sealed class HomeEntry
        {
            private Hearthstone _Link;

            private string _Name;
            private Point3D _Location;
            private Map _Map;

            [CommandProperty(AccessLevel.GameMaster)]
            public Hearthstone Link { get { return _Link; } set { } }

            [CommandProperty(AccessLevel.GameMaster)]
            public string Name
            {
                get { return _Name; }
                set
                {
                    _Name = value;
                    _Link.InvalidateProperties();
                }
            }

            [CommandProperty(AccessLevel.GameMaster)]
            public Point3D Location
            {
                get { return _Location; }
                set
                {
                    _Location = value;
                    _Link.InvalidateProperties();
                }
            }

            [CommandProperty(AccessLevel.GameMaster)]
            public Map Map
            {
                get { return _Map; }
                set
                {
                    _Map = value;
                    _Link.InvalidateProperties();
                }
            }

            [CommandProperty(AccessLevel.GameMaster)]
            public bool Valid { get { return IsValid(); } }

            [CommandProperty(AccessLevel.GameMaster)]
            public Region Region { get { return GetRegion(); } }

            public HomeEntry(Hearthstone link)
                : this(link, Point3D.Zero, Map.Internal)
            { }

            public HomeEntry(Hearthstone link, Point3D location, Map map)
            {
                _Link = link;

                Set(location, map);
            }

            public void Set(Mobile m)
            {
                string name = "Unknown";

                Region r = GetRegion(m);

                if (r != null && !String.IsNullOrEmpty(r.Name))
                    name = r.Name;

                Set(m.Location, m.Map, name);
            }

            public void Set(Point3D location, Map map)
            {
                string name = "Unknown";

                Region r = GetRegion(location, map);

                if (r != null && !String.IsNullOrEmpty(r.Name))
                    name = r.Name;

                Set(location, map, name);
            }

            public void Set(Point3D location, Map map, string name)
            {
                _Location = location;
                _Map = map;
                _Name = name;

                _Link.InvalidateProperties();
            }

            public bool IsValid()
            {
                if (_Link == null || _Link.Deleted)
                    return false;

                if (_Location == Point3D.Zero || _Map == Map.Internal)
                    return false;

                if (GetRegion() == null)
                    return false;

                return true;
            }

            public Region GetRegion()
            {
                Region reg = Region.Find(_Location, _Map);

                return GetTopRegion(reg);
            }

            public Region GetRegion(Mobile m)
            {
                return GetTopRegion(m.Region);
            }

            public Region GetRegion(Point3D location, Map map)
            {
                Region reg = Region.Find(location, map);

                return GetTopRegion(reg);
            }

            public Region GetTopRegion(Region reg)
            {
                if (!reg.IsDefault && reg.Parent != null)
                {
                    Region parent = reg.Parent;

                    while (parent != null)
                    {
                        reg = parent;
                        parent = reg.Parent;
                    }
                }

                return reg;
            }

            public void Serialize(GenericWriter writer)
            {
                writer.Write(0);

                writer.Write((Item)_Link);
                writer.Write((string)_Name);
                writer.Write((Point3D)_Location);
                writer.Write((Map)_Map);
            }

            public void Deserialize(GenericReader reader)
            {
                int version = reader.ReadInt();

                _Link = (Hearthstone)reader.ReadItem();
                _Name = reader.ReadString();
                _Location = reader.ReadPoint3D();
                _Map = reader.ReadMap();
            }

            public override string ToString()
            {
                return String.Format("{0} {1}, {2}", _Name, _Location, _Map.Name);
            }
        }
    }
}