Merge pull request #12850 from silicons/drag

fixes dragging stuff into space, enforces no sleeping on Life() and sets Move() to forced async

code/modules/antagonists/revenant/revenant.dm

@@ -112,7 +112,7 @@
 	if(stasis)
 		return
 	if(revealed && essence <= 0)
-		death()
+		INVOKE_ASYNC(src, .proc/death)
 	if(unreveal_time && world.time >= unreveal_time)
 		unreveal_time = 0
 		revealed = FALSE

code/modules/mob/living/life.dm

@@ -3,7 +3,7 @@
   * Splits off into PhysicalLife() and BiologicalLife(). Override those instead of this.
   */
 /mob/living/proc/Life(seconds, times_fired)
-	set waitfor = FALSE		// yeah hey we're kind of on a subsystem, no sleeping will be tolerated here!
+	SHOULD_NOT_SLEEP(TRUE)
 	if(mob_transforming)
 		return
 
@@ -82,7 +82,7 @@
 		handle_diginvis() //AI becomes unable to see mob
 
 	if((movement_type & FLYING) && !(movement_type & FLOATING))	//TODO: Better floating
-		float(on = TRUE)
+		INVOKE_ASYNC(src, /atom/movable.proc/float, TRUE)
 
 	if(!loc)
 		return FALSE

code/modules/mob/living/living.dm

@@ -802,7 +802,7 @@
 	else
 		throw_alert("gravity", /obj/screen/alert/weightless)
 	if(!override && !is_flying())
-		float(!has_gravity)
+		INVOKE_ASYNC(src, /atom/movable.proc/float, !has_gravity)
 
 /mob/living/float(on)
 	if(throwing)

code/modules/mob/living/simple_animal/hostile/jungle/leaper.dm

@@ -81,7 +81,7 @@
 
 /obj/structure/leaper_bubble/Initialize()
 	. = ..()
-	float(on = TRUE)
+	INVOKE_ASYNC(src, /atom/movable.proc/float, TRUE)
 	QDEL_IN(src, 100)
 
 /obj/structure/leaper_bubble/Destroy()