proper smooth movement

code/game/objects/buckling.dm

@@ -84,16 +84,22 @@
 			M.IgniteMob()
 
 /atom/movable/proc/unbuckle_mob(mob/living/buckled_mob, force=FALSE)
-	if(istype(buckled_mob) && buckled_mob.buckled == src && (buckled_mob.can_unbuckle() || force))
-		. = buckled_mob
-		buckled_mob.buckled = null
-		buckled_mob.anchored = initial(buckled_mob.anchored)
-		buckled_mob.update_mobility()
-		buckled_mob.clear_alert("buckled")
-		buckled_mobs -= buckled_mob
-		SEND_SIGNAL(src, COMSIG_MOVABLE_UNBUCKLE, buckled_mob, force)
+	if(!isliving(buckled_mob))
+		CRASH("Non-living [buckled_mob] thing called unbuckle_mob() for source.")
+	if(buckled_mob.buckled != src)
+		CRASH("[buckled_mob] called unbuckle_mob() for source while having buckled as [buckled_mob.buckled].")
+	if(!force && !buckled_mob.can_unbuckle())
+		return
+	. = buckled_mob
+	buckled_mob.buckled = null
+	buckled_mob.anchored = initial(buckled_mob.anchored)
+	buckled_mob.update_mobility()
+	buckled_mob.clear_alert("buckled")
+	buckled_mob.set_glide_size(DELAY_TO_GLIDE_SIZE(buckled_mob.total_multiplicative_slowdown()))
+	buckled_mobs -= buckled_mob
+	SEND_SIGNAL(src, COMSIG_MOVABLE_UNBUCKLE, buckled_mob, force)
 
-		post_unbuckle_mob(.)
+	post_unbuckle_mob(.)
 
 /atom/movable/proc/unbuckle_all_mobs(force=FALSE)
 	if(!has_buckled_mobs())

code/game/objects/structures/transit_tubes/transit_tube_pod.dm

@@ -126,12 +126,13 @@
 
 		if(current_tube == null)
 			setDir(next_dir)
-			Move(get_step(loc, dir), dir) // Allow collisions when leaving the tubes.
+			Move(get_step(loc, dir), dir, DELAY_TO_GLIDE_SIZE(exit_delay)) // Allow collisions when leaving the tubes.
 			break
 
 		last_delay = current_tube.enter_delay(src, next_dir)
 		sleep(last_delay)
 		setDir(next_dir)
+		set_glide_size(DELAY_TO_GLIDE_SIZE(last_delay + exit_delay))
 		forceMove(next_loc) // When moving from one tube to another, skip collision and such.
 		density = current_tube.density