Fix RCS1170

.editorconfig

@@ -1061,6 +1061,9 @@ dotnet_diagnostic.RCS1159.severity = warning
 # Unused type parameter.
 dotnet_diagnostic.RCS1164.severity = warning
 
+# Use read-only auto-implemented property.
+dotnet_diagnostic.RCS1170.severity = warning
+
 # Use 'is' operator instead of 'as' operator.
 dotnet_diagnostic.RCS1172.severity = warning
 

OpenRA.Game/Actor.cs

@@ -71,7 +71,7 @@ namespace OpenRA
 		public IEffectiveOwner EffectiveOwner { get; }
 		public IOccupySpace OccupiesSpace { get; }
 		public ITargetable[] Targetables { get; }
-		public IEnumerable<ITargetablePositions> EnabledTargetablePositions { get; private set; }
+		public IEnumerable<ITargetablePositions> EnabledTargetablePositions { get; }
 
 		public bool IsIdle => CurrentActivity == null;
 		public bool IsDead => Disposed || (health != null && health.IsDead);

OpenRA.Mods.Common/Widgets/RadarWidget.cs

@@ -29,6 +29,8 @@ namespace OpenRA.Mods.Common.Widgets
 		public int AnimationLength = 5;
 		public string RadarOnlineSound = null;
 		public string RadarOfflineSound = null;
+		public string SoundUp;
+		public string SoundDown;
 		public Func<bool> IsEnabled = () => true;
 		public Action AfterOpen = () => { };
 		public Action AfterClose = () => { };
@@ -63,9 +65,6 @@ namespace OpenRA.Mods.Common.Widgets
 		PlayerRadarTerrain playerRadarTerrain;
 		Player currentPlayer;
 
-		public string SoundUp { get; private set; }
-		public string SoundDown { get; private set; }
-
 		[ObjectCreator.UseCtor]
 		public RadarWidget(World world, WorldRenderer worldRenderer)
 		{

OpenRA.Mods.Common/Widgets/ResourcePreviewWidget.cs

@@ -44,7 +44,7 @@ namespace OpenRA.Mods.Common.Widgets
 			}
 		}
 
-		public Size IdealPreviewSize { get; private set; }
+		public Size IdealPreviewSize { get; }
 
 		[ObjectCreator.UseCtor]
 		public ResourcePreviewWidget(ModData modData, WorldRenderer worldRenderer, World world)