hack around some more z-glitches

OpenRA.Mods.RA/AttackTurreted.cs

@@ -49,7 +49,6 @@ namespace OpenRA.Mods.RA
 				return;
 			
 			const int RangeTolerance = 1;	/* how far inside our maximum range we should try to sit */
-			/* todo: choose the appropriate weapon, when only one works against this target */
 			var weapon = ChooseWeaponForTarget(Target.FromOrder(order));
 			if (weapon == null)
 				return;

OpenRA.Mods.RA/Render/RenderUnitTurreted.cs

@@ -37,7 +37,7 @@ namespace OpenRA.Mods.RA.Render
 				anims.Add( "turret_{0}".F(i), 
 					new AnimationWithOffset( turretAnim,
 						() => Combat.GetTurretPosition( self, facing, turret ),
-						null) { ZOffset = 1 });
+						null) { ZOffset = 70 });
 
 				if (attackInfo.MuzzleFlash)
 				{

OpenRA.Mods.RA/WithShadow.cs

@@ -24,7 +24,7 @@ namespace OpenRA.Mods.RA
 
 			var shadowSprites = r.Select(a => a.WithPalette("shadow"));
 			var flyingSprites = (move.Altitude <= 0) ? r 
-				: r.Select(a => a.WithPos(a.Pos - new float2(0, move.Altitude)).WithZOffset(3));
+				: r.Select(a => a.WithPos(a.Pos - new float2(0, move.Altitude)).WithZOffset(move.Altitude));
 
 			return shadowSprites.Concat(flyingSprites);
 		}