fix reflect (TauCetiStation#13428)

* fix?

* fix explicit .Enter calls

* add tmp (or not) failsafe

* remove failsafe, allow any in/out of object moving

* better types for proc/can_enter_turf

code/datums/helper_datums/teleport.dm

@@ -177,10 +177,9 @@
 		if(T.density)
 			return FALSE
 		if(dest_checkdensity == TELE_CHECK_ALL)
-			T.Enter(teleatom)                      //We want do normal bumping/checks with teleatom first (maybe we got access to that door or to push the atom on the other side),
-			var/obj/effect/E = new(center)         //then we do the real check (if we can enter from destination turf onto target turf).
-			E.invisibility = INVISIBILITY_ABSTRACT //Because, checking this with teleatom - won't give us accurate data, since teleatom is far away at this time.
-			if(!T.Enter(E))                        //That's why we test this with the "fake dummy".
+			var/obj/effect/E = new(center)         //Because checking this with teleatom won't give us accurate data, since teleatom is far away at this time.
+			E.invisibility = INVISIBILITY_ABSTRACT //That's why we test this with the "fake dummy".
+			if(!can_enter_turf(E, T))
 				qdel(E)
 				return FALSE
 			qdel(E)

code/game/gamemodes/modes_gameplays/blob/theblob.dm

@@ -143,7 +143,7 @@
 		return
 	var/obj/structure/blob/normal/B = new /obj/structure/blob/normal(src.loc)
 	B.density = TRUE
-	if(T.Enter(B))//Attempt to move into the tile
+	if(can_enter_turf(B, T))//Attempt to move into the tile
 		B.density = initial(B.density)
 		B.loc = T
 	else

code/game/objects/effects/effect_system.dm

@@ -535,7 +535,7 @@ steam.start() -- spawns the effect
 		if(!T)
 			continue
 
-		if(!T.Enter(src))
+		if(!can_enter_turf(src, T))
 			continue
 
 		var/obj/effect/effect/foam/F = locate() in T

code/game/turfs/turf.dm

@@ -210,24 +210,32 @@
 	// Obstacle not on border or null
 	return rollback_obstacle
 
-/turf/Enter(atom/movable/mover as mob|obj, atom/old_loc as mob|obj|turf)
+/proc/can_enter_turf(atom/movable/mover as mob|obj, turf/new_loc, turf/old_loc)
 	if(movement_disabled && usr.ckey != movement_disabled_exception)
 		to_chat(usr, "<span class='warning'>Передвижение отключено администрацией.</span>")//This is to identify lag problems
 		return FALSE
 
 	var/atom/bump_target
 
 	if(istype(mover, /obj/item/projectile))
-		bump_target = get_projectile_bump_target(src, mover)
+		bump_target = get_projectile_bump_target(new_loc, mover)
 	else
-		bump_target = get_bump_target(src, mover)
+		bump_target = get_bump_target(new_loc, mover)
 
 	if(bump_target)
 		mover.Bump(bump_target, TRUE)
 		return FALSE
 
 	return TRUE
 
+/turf/Exit(atom/movable/mover as mob|obj, atom/new_loc as mob|obj|turf)
+	if(!isturf(new_loc))
+		return TRUE
+	return can_enter_turf(mover, new_loc, src)
+
+/turf/Enter(atom/movable/mover as mob|obj, atom/old_loc as mob|obj|turf)
+	return TRUE
+
 /turf/proc/is_mob_placeable(mob/M) // todo: maybe rewrite as COMSIG_ATOM_INTERCEPT_TELEPORT
 	if(density)
 		return FALSE

code/modules/events/cellular_biomass/biomass.dm

@@ -114,7 +114,7 @@
 	if(isfloorturf(step))
 		var/turf/simulated/floor/F = step
 		if(!locate(/obj/effect/biomass,F))
-			if(F.Enter(src))
+			if(can_enter_turf(src, F))
 				if(master)
 					master.spawn_biomass_piece( F )
 					return 1

code/modules/events/cellular_biomass/spacevines.dm

@@ -169,7 +169,7 @@
 	if(isfloorturf(step))
 		var/turf/simulated/floor/F = step
 		if(!locate(/obj/structure/spacevine,F))
-			if(F.Enter(src))
+			if(can_enter_turf(src, F))
 				if(master)
 					master.spawn_spacevine_piece( F )
 

code/modules/mob/living/simple_animal/bees.dm

@@ -126,10 +126,8 @@
 						qdel(src)
 						return
 					src.icon_state = "bees[B.strength]"
-					var/turf/simulated/floor/T = get_turf(get_step(src, pick(1,2,4,8)))
 					density = TRUE
-					if(T.Enter(src, get_turf(src)))
-						src.loc = T
+					step(src, pick(NORTH,SOUTH,EAST,WEST))
 					density = FALSE
 				break