Add SupportPowerPaletteOrder to SupportPowerInfo

OpenRA.Mods.Common/Traits/SupportPowers/SupportPower.cs

@@ -106,6 +106,9 @@ namespace OpenRA.Mods.Common.Traits
 
 		public readonly string OrderName;
 
+		[Desc("Sort order for the support power palette. Smaller numbers are presented earlier.")]
+		public readonly int SupportPowerPaletteOrder = 9999;
+
 		public SupportPowerInfo() { OrderName = GetType().Name + "Order"; }
 	}
 

OpenRA.Mods.Common/Widgets/ObserverSupportPowerIconsWidget.cs

@@ -102,7 +102,9 @@ namespace OpenRA.Mods.Common.Widgets
 				return;
 
 			var powers = player.PlayerActor.Trait<SupportPowerManager>().Powers
-				.Where(x => !x.Value.Disabled).Select((a, i) => new { a, i })
+				.Where(x => !x.Value.Disabled)
+				.OrderBy(p => p.Value.Info.SupportPowerPaletteOrder)
+				.Select((a, i) => new { a, i })
 				.ToList();
 
 			foreach (var power in powers)

OpenRA.Mods.Common/Widgets/SupportPowersWidget.cs

@@ -123,7 +123,8 @@ namespace OpenRA.Mods.Common.Widgets
 		public void RefreshIcons()
 		{
 			icons = new Dictionary<Rectangle, SupportPowerIcon>();
-			var powers = spm.Powers.Values.Where(p => !p.Disabled);
+			var powers = spm.Powers.Values.Where(p => !p.Disabled)
+				.OrderBy(p => p.Info.SupportPowerPaletteOrder);
 
 			var oldIconCount = IconCount;
 			IconCount = 0;