Reorganizes Project (#41)

Projects/Scripts/Items/Misc/Waypoint.cs

@@ -0,0 +1,146 @@
+using Server.Commands;
+using Server.Targeting;
+
+namespace Server.Items
+{
+  [Flippable(0x1f14, 0x1f15, 0x1f16, 0x1f17)]
+  public class WayPoint : Item
+  {
+    private WayPoint m_Next;
+
+    [Constructible]
+    public WayPoint(WayPoint prev = null) : base(0x1f14)
+    {
+      Hue = 0x498;
+      Visible = false;
+      //this.Movable = false;
+      if (prev != null)
+        prev.NextPoint = this;
+    }
+
+    public WayPoint(Serial serial) : base(serial)
+    {
+    }
+
+    public override string DefaultName => "AI Way Point";
+
+    [CommandProperty(AccessLevel.GameMaster)]
+    public WayPoint NextPoint
+    {
+      get => m_Next;
+      set
+      {
+        if (m_Next != this)
+          m_Next = value;
+      }
+    }
+
+    public static void Initialize()
+    {
+      CommandSystem.Register("WayPointSeq", AccessLevel.GameMaster, WayPointSeq_OnCommand);
+    }
+
+    public static void WayPointSeq_OnCommand(CommandEventArgs arg)
+    {
+      arg.Mobile.SendMessage("Target the position of the first way point.");
+      arg.Mobile.Target = new WayPointSeqTarget(null);
+    }
+
+    public override void OnDoubleClick(Mobile from)
+    {
+      if (from.AccessLevel >= AccessLevel.GameMaster)
+      {
+        from.SendMessage("Target the next way point in the sequence.");
+
+        from.Target = new NextPointTarget(this);
+      }
+    }
+
+    public override void OnSingleClick(Mobile from)
+    {
+      base.OnSingleClick(from);
+
+      if (m_Next == null)
+        LabelTo(from, "(Unlinked)");
+      else
+        LabelTo(from, "(Linked: {0})", m_Next.Location);
+    }
+
+    public override void Deserialize(GenericReader reader)
+    {
+      base.Deserialize(reader);
+
+      int version = reader.ReadInt();
+
+      switch (version)
+      {
+        case 0:
+        {
+          m_Next = reader.ReadItem() as WayPoint;
+          break;
+        }
+      }
+    }
+
+    public override void Serialize(GenericWriter writer)
+    {
+      base.Serialize(writer);
+
+      writer.Write(0);
+
+      writer.Write(m_Next);
+    }
+  }
+
+  public class NextPointTarget : Target
+  {
+    private WayPoint m_Point;
+
+    public NextPointTarget(WayPoint pt) : base(-1, false, TargetFlags.None)
+    {
+      m_Point = pt;
+    }
+
+    protected override void OnTarget(Mobile from, object target)
+    {
+      if (target is WayPoint point && m_Point != null)
+        m_Point.NextPoint = point;
+      else
+        from.SendMessage("Target a way point.");
+    }
+  }
+
+  public class WayPointSeqTarget : Target
+  {
+    private WayPoint m_Last;
+
+    public WayPointSeqTarget(WayPoint last) : base(-1, true, TargetFlags.None)
+    {
+      m_Last = last;
+    }
+
+    protected override void OnTarget(Mobile from, object targeted)
+    {
+      if (targeted is WayPoint wayPoint)
+      {
+        if (m_Last != null)
+          m_Last.NextPoint = wayPoint;
+      }
+      else if (targeted is IPoint3D d)
+      {
+        Point3D p = new Point3D(d);
+
+        WayPoint point = new WayPoint(m_Last);
+        point.MoveToWorld(p, from.Map);
+
+        from.Target = new WayPointSeqTarget(point);
+        from.SendMessage(
+          "Target the position of the next way point in the sequence, or target a way point link the newest way point to.");
+      }
+      else
+      {
+        from.SendMessage("Target a position, or another way point.");
+      }
+    }
+  }
+}