Reorganizes Project (#41)

Projects/Scripts/Commands/BoundingBoxPicker.cs

@@ -0,0 +1,63 @@
+using Server.Targeting;
+
+namespace Server
+{
+  public delegate void BoundingBoxCallback(Map map, Point3D start, Point3D end);
+
+  public static class BoundingBoxPicker
+  {
+    public static void Begin(Mobile from, BoundingBoxCallback callback)
+    {
+      from.SendMessage("Target the first location of the bounding box.");
+      from.Target = new PickTarget(callback);
+    }
+
+    private class PickTarget : Target
+    {
+      private BoundingBoxCallback m_Callback;
+      private bool m_First;
+      private Map m_Map;
+      private Point3D m_Store;
+
+      public PickTarget(BoundingBoxCallback callback) : this(Point3D.Zero, true, null, callback)
+      {
+      }
+
+      public PickTarget(Point3D store, bool first, Map map, BoundingBoxCallback callback) : base(-1, true, TargetFlags.None)
+      {
+        m_Store = store;
+        m_First = first;
+        m_Map = map;
+        m_Callback = callback;
+      }
+
+      protected override void OnTarget(Mobile from, object targeted)
+      {
+        if (!(targeted is IPoint3D p))
+          return;
+
+        if (p is Item item)
+          p = item.GetWorldTop();
+
+        if (m_First)
+        {
+          from.SendMessage("Target another location to complete the bounding box.");
+          from.Target = new PickTarget(new Point3D(p), false, from.Map, m_Callback);
+        }
+        else if (from.Map != m_Map)
+        {
+          from.SendMessage("Both locations must reside on the same map.");
+        }
+        else if (m_Map != null && m_Map != Map.Internal && m_Callback != null)
+        {
+          Point3D start = m_Store;
+          Point3D end = new Point3D(p);
+
+          Utility.FixPoints(ref start, ref end);
+
+          m_Callback(m_Map, start, end);
+        }
+      }
+    }
+  }
+}