- Reset interpolation coordinates for all actors before the current thinking turn instead of at the start of each actor's own Tick function so that indirect actor movement gets properly interpolated.

src/p_mobj.cpp

@@ -4069,10 +4069,6 @@ void AActor::Tick ()
 		return;
 	}
 
-	// This is necessary to properly interpolate movement outside this function
-	// like from an ActorMover
-	ClearInterpolation();
-
 	if (flags5 & MF5_NOINTERACTION)
 	{
 		// only do the minimally necessary things here to save time:

src/p_tick.cpp

@@ -119,6 +119,15 @@ void P_Ticker (void)
 	P_ResetSightCounters (false);
 	R_ClearInterpolationPath();
 
+	// Reset all actor interpolations for all actors before the current thinking turn so that indirect actor movement gets properly interpolated.
+	TThinkerIterator<AActor> it;
+	AActor *ac;
+
+	while ((ac = it.Next()))
+	{
+		ac->ClearInterpolation();
+	}
+
 	// Since things will be moving, it's okay to interpolate them in the renderer.
 	r_NoInterpolate = false;