Target uses int2.

OpenRA.Game/Traits/TraitsInterfaces.cs

@@ -214,11 +214,11 @@ namespace OpenRA.Traits
 	public struct Target		// a target: either an actor, or a fixed location.
 	{
 		Actor actor;
-		float2 pos;
+		int2 pos;
 		bool valid;
 
 		public static Target FromActor(Actor a) { return new Target { actor = a, valid = (a != null) }; }
-		public static Target FromPos(float2 p) { return new Target { pos = p, valid = true }; }
+		public static Target FromPos(int2 p) { return new Target { pos = p, valid = true }; }
 		public static Target FromCell(int2 c) { return new Target { pos = Util.CenterOfCell(c), valid = true }; }
 		public static Target FromOrder(Order o)
 		{
@@ -230,7 +230,7 @@ namespace OpenRA.Traits
 		public static readonly Target None = new Target();
 
 		public bool IsValid { get { return valid && (actor == null || actor.IsInWorld); } }
-		public int2 PxPosition { get { return IsActor ? actor.Trait<IHasLocation>().PxPosition : pos.ToInt2(); } }
+		public int2 PxPosition { get { return IsActor ? actor.Trait<IHasLocation>().PxPosition : pos; } }
 		public int2 CenterLocation { get { return PxPosition; } }
 
 		public Actor Actor { get { return IsActor ? actor : null; } }

OpenRA.Mods.RA/Combat.cs

@@ -112,12 +112,12 @@ namespace OpenRA.Mods.RA
 			}
 		}
 
-		public static void DoExplosion(Actor attacker, string weapontype, float2 pos, int altitude)
+		public static void DoExplosion(Actor attacker, string weapontype, int2 pos, int altitude)
 		{
 			var args = new ProjectileArgs
 			{
-				src = pos.ToInt2(),
-				dest = pos.ToInt2(),
+				src = pos,
+				dest = pos,
 				srcAltitude = altitude,
 				destAltitude = altitude,
 				firedBy = attacker,

OpenRA.Mods.RA/Effects/NukeLaunch.cs

@@ -20,7 +20,7 @@ namespace OpenRA.Mods.RA.Effects
 		readonly Player firedBy;
 		readonly Actor silo;
 		Animation anim;
-		float2 pos;
+		int2 pos;
 		int2 targetLocation;
 		int altitude;
 		bool goingUp = true;

OpenRA.Mods.RA/UnitStances/UnitStanceDefensive.cs

@@ -48,7 +48,7 @@ namespace OpenRA.Mods.RA
 				WaitForIdle();
 		}
 
-		protected void DefendThis(float2 target)
+		protected void DefendThis(int2 target)
 		{
 			DefendTarget = Target.FromPos(target);
 			TargetType = ETargetType.Location;