From 8118e022cbca849ec3788acb9903050fda7cb4cb Mon Sep 17 00:00:00 2001
From: Chris Forbes <chrisf@ijw.co.nz>
Date: Mon, 10 May 2010 18:27:01 +1200
Subject: [PATCH] don't allow stacking of mapactors

---
 OpenRA.Editor/Form1.cs   |  2 +-
 OpenRA.Editor/Surface.cs | 15 +++++++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/OpenRA.Editor/Form1.cs b/OpenRA.Editor/Form1.cs
index 96c6265bcb..9c6cdf6d3f 100644
--- a/OpenRA.Editor/Form1.cs
+++ b/OpenRA.Editor/Form1.cs
@@ -18,7 +18,7 @@ namespace OpenRA.Editor
 			AppDomain.CurrentDomain.AssemblyResolve += FileSystem.ResolveAssembly;
 			LocateGameRoot();
 
-			LoadMap("ra", "mjolnir");
+			LoadMap("cnc", "scm02ea");
 		}
 
 		void LoadMap(string mod, string mapname)
diff --git a/OpenRA.Editor/Surface.cs b/OpenRA.Editor/Surface.cs
index fff9dd20ce..02953aaa88 100644
--- a/OpenRA.Editor/Surface.cs
+++ b/OpenRA.Editor/Surface.cs
@@ -101,8 +101,23 @@ namespace OpenRA.Editor
 				}
 		}
 
+		int id;
+		string NextActorName()
+		{
+			for (; ; )
+			{
+				var possible = "Actor{0}".F(id++);
+				if (!Map.Actors.ContainsKey(possible)) return possible;
+			}
+		}
+
 		void DrawWithActor()
 		{
+			if (Map.Actors.Any(a => a.Value.Location == GetBrushLocation()))
+				return;
+
+			var owner = "Neutral";
+			Map.Actors[NextActorName()] = new ActorReference(Actor.Info.Name.ToLowerInvariant(), GetBrushLocation(), owner);
 		}
 
 		protected override void OnMouseDown(MouseEventArgs e)