Add support for custom locations to legacy map importer

For example, to place actors with changed footprint correctly.
Use it to ensure correct positioning of several RA and TD structures as well as TD tiberium trees.

OpenRA.Mods.Cnc/ImportTiberianDawnLegacyMapCommand.cs

@@ -116,6 +116,17 @@ namespace OpenRA.Mods.Cnc.UtilityCommands
 			return input.Split(',')[0].ToLowerInvariant();
 		}
 
+		public override CPos ParseActorLocation(string input, int loc)
+		{
+			var newLoc = new CPos(loc % MapSize, loc / MapSize);
+			var vectorDown = new CVec(0, 1);
+
+			if (input == "obli" || input == "atwr" || input == "weap" || input == "hand" || input == "tmpl" || input == "split2" || input == "split3")
+				newLoc += vectorDown;
+
+			return newLoc;
+		}
+
 		public override void LoadPlayer(IniFile file, string section)
 		{
 			string color;

OpenRA.Mods.Common/UtilityCommands/ImportLegacyMapCommand.cs

@@ -365,7 +365,12 @@ namespace OpenRA.Mods.Common.UtilityCommands
 				mapPlayers.Players[section] = pr;
 		}
 
-		public static void LoadActors(IniFile file, string section, List<string> players, int mapSize, Map map)
+		public virtual CPos ParseActorLocation(string input, int loc)
+		{
+			return new CPos(loc % MapSize, loc / MapSize);
+		}
+
+		public void LoadActors(IniFile file, string section, List<string> players, int mapSize, Map map)
 		{
 			foreach (var s in file.GetSection(section, true))
 			{
@@ -385,8 +390,10 @@ namespace OpenRA.Mods.Common.UtilityCommands
 					var health = Exts.ParseIntegerInvariant(parts[2]) * 100 / 256;
 					var facing = (section == "INFANTRY") ? Exts.ParseIntegerInvariant(parts[6]) : Exts.ParseIntegerInvariant(parts[4]);
 
-					var actor = new ActorReference(parts[1].ToLowerInvariant()) {
+					var actorType = parts[1].ToLowerInvariant();
-						new LocationInit(new CPos(loc % mapSize, loc / mapSize)),
+
+					var actor = new ActorReference(actorType) {
+						new LocationInit(ParseActorLocation(actorType, loc)),
 						new OwnerInit(parts[0]),
 					};
 
@@ -424,9 +431,11 @@ namespace OpenRA.Mods.Common.UtilityCommands
 			foreach (var kv in terrain)
 			{
 				var loc = Exts.ParseIntegerInvariant(kv.Key);
-				var ar = new ActorReference(ParseTreeActor(kv.Value))
+				var treeActor = ParseTreeActor(kv.Value);
+
+				var ar = new ActorReference(treeActor)
 				{
-					new LocationInit(new CPos(loc % MapSize, loc / MapSize)),
+					new LocationInit(ParseActorLocation(treeActor, loc)),
 					new OwnerInit("Neutral")
 				};
 

OpenRA.Mods.RA/ImportRedAlertLegacyMapCommand.cs

@@ -126,6 +126,17 @@ namespace OpenRA.Mods.RA.UtilityCommands
 			return input.ToLowerInvariant();
 		}
 
+		public override CPos ParseActorLocation(string input, int loc)
+		{
+			var newLoc = new CPos(loc % MapSize, loc / MapSize);
+			var vectorDown = new CVec(0, 1);
+
+			if (input == "tsla" || input == "agun" || input == "gap" || input == "apwr" || input == "iron")
+				newLoc += vectorDown;
+
+			return newLoc;
+		}
+
 		public override void LoadPlayer(IniFile file, string section)
 		{
 			string color;