Merge pull request #3668 from pchote/more-polish

Polish fixes for muzzle flashes and cash ticks.

OpenRA.Mods.RA/Effects/CashTick.cs

@@ -44,6 +44,9 @@ namespace OpenRA.Mods.RA.Effects
 
 		public IEnumerable<IRenderable> Render(WorldRenderer wr)
 		{
+			if (wr.world.FogObscures(pos.ToCPos()))
+				yield break;
+
 			yield return new TextRenderable(font, pos, 0, color, text);
 		}
 	}

OpenRA.Mods.RA/Render/WithMuzzleFlash.cs

@@ -58,7 +58,8 @@ namespace OpenRA.Mods.RA.Render
 				anims.Add(barrel,
 			    	new AnimationWithOffset(muzzleFlash,
 						() => arm.MuzzleOffset(self, barrel),
-						() => !visible[barrel]));
+						() => !visible[barrel],
+						p => WithTurret.ZOffsetFromCenter(self, p, 2)));
 			}
 		}