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