From 18af297d9d49efc79d1082c8b9c4e8cb2af2ae3e Mon Sep 17 00:00:00 2001
From: MaxED <j.maxed@gmail.com>
Date: Thu, 6 Aug 2015 21:54:15 +0000
Subject: [PATCH] Added, Things mode: target tags are now automatically
 assigned when duplicating (shift-dragging) PatrolPoints and
 InterpolationPoints. Fixed, ThingsMode: fixed highlighted thing disappearing
 when using paste action while highlighting a thing.

---
 .../BuilderModes/ClassicModes/ThingsMode.cs   | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/Source/Plugins/BuilderModes/ClassicModes/ThingsMode.cs b/Source/Plugins/BuilderModes/ClassicModes/ThingsMode.cs
index a43d97e9..674ff7c6 100644
--- a/Source/Plugins/BuilderModes/ClassicModes/ThingsMode.cs
+++ b/Source/Plugins/BuilderModes/ClassicModes/ThingsMode.cs
@@ -566,6 +566,30 @@ namespace CodeImp.DoomBuilder.BuilderModes
 							{
 								Thing clone = InsertThing(t.Position);
 								t.CopyPropertiesTo(clone);
+
+								// If the cloned item is an interpolation point or patrol point, then insert the point in the path
+								ThingTypeInfo info = General.Map.Data.GetThingInfo(t.Type);
+								int nextpointtagargnum = -1;
+
+								// Thing type can be changed in MAPINFO DoomEdNums block...
+								switch (info.ClassName.ToLowerInvariant())
+								{
+									case "interpolationpoint":
+										nextpointtagargnum = 3;
+										break;
+
+									case "patrolpoint":
+										nextpointtagargnum = 0;
+										break;
+								}
+
+								// Apply changes?
+								if(nextpointtagargnum != -1)
+								{
+									if(t.Tag == 0) t.Tag = General.Map.Map.GetNewTag();
+									t.Args[nextpointtagargnum] = clone.Tag = General.Map.Map.GetNewTag();
+								}
+
 								t.Selected = false;
 								clone.Selected = true;
 							}
@@ -682,6 +706,14 @@ namespace CodeImp.DoomBuilder.BuilderModes
 			return base.OnCopyBegin();
 		}
 
+		//mxd. Needs more highlight management...
+		public override bool OnPasteBegin(PasteOptions options)
+		{
+			bool result = base.OnPasteBegin(options);
+			if(result && highlighted != null) highlighted.Highlighted = false;
+			return result;
+		}
+
 		//mxd
 		public override void UpdateSelectionInfo() 
 		{