Add Height property to BlocksProjectiles

OpenRA.Mods.Common/Traits/BlocksProjectiles.cs

@@ -13,10 +13,11 @@ using OpenRA.Traits;
 
 namespace OpenRA.Mods.Common.Traits
 {
-	// TODO: Add functionality like a customizable Height that is compared to projectile altitude
 	[Desc("This actor blocks bullets and missiles with 'Blockable' property.")]
 	public class BlocksProjectilesInfo : UpgradableTraitInfo
 	{
+		public readonly WDist Height = WDist.FromCells(1);
+
 		public override object Create(ActorInitializer init) { return new BlocksProjectiles(init.Self, this); }
 	}
 
@@ -27,8 +28,11 @@ namespace OpenRA.Mods.Common.Traits
 
 		public static bool AnyBlockingActorAt(World world, WPos pos)
 		{
+			var dat = world.Map.DistanceAboveTerrain(pos);
 			return world.ActorMap.GetActorsAt(world.Map.CellContaining(pos))
-				.Any(a => a.TraitsImplementing<BlocksProjectiles>().Any(Exts.IsTraitEnabled));
+				.Any(a => a.TraitsImplementing<BlocksProjectiles>()
+					.Where(t => t.Info.Height.Length >= dat.Length)
+					.Any(Exts.IsTraitEnabled));
 		}
 	}
 }