Define the reverse playback at sequence level.

OpenRA.Mods.Common/Traits/Render/WithDamageOverlay.cs

@@ -67,7 +67,7 @@ namespace OpenRA.Mods.Common.Traits.Render
 			isSmoking = true;
 			anim.PlayThen(info.IdleSequence,
 				() => anim.PlayThen(info.LoopSequence,
-					() => anim.PlayBackwardsThen(info.EndSequence,
+					() => anim.PlayThen(info.EndSequence,
 						() => isSmoking = false)));
 		}
 	}

mods/cnc/sequences/misc.yaml

@@ -67,7 +67,8 @@ smoke_m:
 		Offset: 2, -5
 		ZOffset: 512
 	end:
-		Length: 26
+		Start: 26
+		Length: -26
 		Offset: 2, -5
 		ZOffset: 512
 

mods/ra/sequences/misc.yaml

@@ -132,7 +132,8 @@ smoke_m:
 		Offset: 2, -5
 		ZOffset: 512
 	end:
-		Length: 26
+		Start: 26
+		Length: -26
 		Offset: 2, -5
 		ZOffset: 512