repairing buildings mostly complete

OpenRa.Game/Graphics/WorldRenderer.cs

@@ -84,6 +84,17 @@ namespace OpenRa.Game.Graphics
 
 			DrawBandBox();
 
+			
+			foreach(var a in Game.world.Actors.Where(b => b.Owner == Game.LocalPlayer && b.traits.Contains<Building>() && b.traits.Get<Building>().IsRepairing()))
+			{
+				var bounds = a.GetBounds(true);
+				
+				var repairImages = new Animation("select");
+				repairImages.PlayRepeating("repair");
+				spriteRenderer.DrawSprite(repairImages.Image, new float2(.5f * (bounds.Left + bounds.Right)-12, .5f * (bounds.Top + bounds.Bottom)-11), PaletteType.Chrome);
+			}
+			
+
 			if (Game.controller.orderGenerator != null)
 				Game.controller.orderGenerator.Render();
 

OpenRa.Game/Orders/RepairOrderGenerator.cs

@@ -25,7 +25,7 @@ namespace OpenRa.Game.Orders
 
 			var building = underCursor != null ? underCursor.Info as BuildingInfo : null;
 
-			if (building == null || !building.Repairable)
+			if (building == null || !building.Repairable || underCursor.Health == building.Strength)
 			{
 				yield return new Order("NoRepair", Game.LocalPlayer.PlayerActor, null, int2.Zero, null);
 				yield break;

OpenRa.Game/Traits/Building.cs

@@ -1,11 +1,16 @@
 using OpenRa.Game.GameRules;
 using OpenRa.Game.Traits.Activities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
 
 namespace OpenRa.Game.Traits
 {
-	class Building : INotifyDamage, IOrder
+	class Building : INotifyDamage, IOrder, ITick
 	{
 		public readonly BuildingInfo unitInfo;
+		bool isRepairing = false;
 
 		public Building(Actor self)
 		{
@@ -32,6 +37,43 @@ namespace OpenRa.Game.Traits
 				self.CancelActivity();
 				self.QueueActivity(new Sell());
 			}
+
+			if (order.OrderString == "Repair")
+			{
+				isRepairing = !isRepairing;
+			}
+		}
+		
+		public bool IsRepairing(){
+			return isRepairing;
+		}
+
+		int remainingTicks;
+
+		public void Tick(Actor self)
+		{
+			if (!isRepairing) return;
+
+			if (remainingTicks == 0)
+			{
+				var costPerHp = (Rules.General.URepairPercent * self.Info.Cost) / self.Info.Strength;
+				var hpToRepair = Math.Min(Rules.General.URepairStep, self.Info.Strength - self.Health);
+				var cost = (int)Math.Ceiling(costPerHp * hpToRepair);
+				if (!self.Owner.TakeCash(cost))
+				{
+					remainingTicks = 1;
+				}
+
+				self.InflictDamage(self, -hpToRepair, Rules.WarheadInfo["Super"]);
+				if (self.Health == self.Info.Strength)
+				{
+					isRepairing = false;
+					return;
+				}
+				remainingTicks = (int)(Rules.General.RepairRate * 60 * 25);
+			}
+			else
+				--remainingTicks;
 		}
 	}
 }

sequences.xml

@@ -991,4 +991,7 @@
   <unit name="minv">
     <sequence name="idle" start="0" length="1" />
   </unit>
+  <unit name="select">
+    <sequence name="repair" start="2" length="1" />
+  </unit>
 </sequences>