realistic transit turfs - transit turfs will now physically throw you out of the transit area instead of simply teleporting you

code/controllers/subsystem/mapping.dm

@@ -435,11 +435,13 @@ GLOBAL_LIST_EMPTY(the_station_areas)
 		GLOB.the_gateway.awaygate = new_gate
 		GLOB.the_gateway.wait = world.time
 
-/datum/controller/subsystem/mapping/proc/RequestBlockReservation(width, height, z, type = /datum/turf_reservation, turf_type_override)
+/datum/controller/subsystem/mapping/proc/RequestBlockReservation(width, height, z, type = /datum/turf_reservation, turf_type_override, border_type_override)
 	UNTIL(initialized && !clearing_reserved_turfs)
 	var/datum/turf_reservation/reserve = new type
 	if(turf_type_override)
 		reserve.turf_type = turf_type_override
+	if(border_type_override)
+		reserve.borderturf = border_type_override
 	if(!z)
 		for(var/i in levels_by_trait(ZTRAIT_RESERVED))
 			if(reserve.Reserve(width, height, i))

code/controllers/subsystem/shuttle.dm

@@ -443,17 +443,22 @@ SUBSYSTEM_DEF(shuttle)
 */
 
 	var/transit_path = /turf/open/space/transit
+	var/border_path = /turf/open/space/transit/border
 	switch(travel_dir)
 		if(NORTH)
 			transit_path = /turf/open/space/transit/north
+			border_path = /turf/open/space/transit/border/north
 		if(SOUTH)
 			transit_path = /turf/open/space/transit/south
+			border_path = /turf/open/space/transit/border/south
 		if(EAST)
 			transit_path = /turf/open/space/transit/east
+			border_path = /turf/open/space/transit/border/east
 		if(WEST)
 			transit_path = /turf/open/space/transit/west
+			border_path = /turf/open/space/transit/border/west
 
-	var/datum/turf_reservation/proposal = SSmapping.RequestBlockReservation(transit_width, transit_height, null, /datum/turf_reservation/transit, transit_path)
+	var/datum/turf_reservation/proposal = SSmapping.RequestBlockReservation(transit_width, transit_height, null, /datum/turf_reservation/transit, transit_path, border_path)
 
 	if(!istype(proposal))
 		return FALSE

code/game/turfs/space/transit.dm

@@ -26,12 +26,37 @@
 /turf/open/space/transit/east
 	dir = EAST
 
+/turf/open/space/transit/border
+	opacity = TRUE
+
+/turf/open/space/transit/border/south
+	dir = SOUTH
+
+/turf/open/space/transit/border/north
+	dir = NORTH
+
+/turf/open/space/transit/border/west
+	dir = WEST
+
+/turf/open/space/transit/border/east
+	dir = EAST
+
 /turf/open/space/transit/Entered(atom/movable/AM, atom/OldLoc)
 	..()
-	if(!locate(/obj/structure/lattice) in src)
+	if(!locate(/obj/structure/lattice) in src && !SSshuttle.is_in_shuttle_bounds(src))
 		throw_atom(AM)
 
 /turf/open/space/transit/proc/throw_atom(atom/movable/AM)
+	if(!AM || istype(AM, /obj/docking_port))
+		return
+	if(AM.loc != src)
+		return
+	if(AM.throwing)
+		return
+	var/turf/T = get_ranged_target_turf(src, turn(dir, 180), 10)
+	AM.safe_throw_at(T, 10, 1, null, FALSE)
+
+/turf/open/space/transit/border/throw_atom(atom/movable/AM)
 	set waitfor = FALSE
 	if(!AM || istype(AM, /obj/docking_port))
 		return

code/modules/mapping/space_management/space_reservation.dm

@@ -9,9 +9,11 @@
 	var/top_right_coords[3]
 	var/wipe_reservation_on_release = TRUE
 	var/turf_type = /turf/open/space
+	var/borderturf
 
 /datum/turf_reservation/transit
 	turf_type = /turf/open/space/transit
+	borderturf = /turf/open/space/transit/border
 
 /datum/turf_reservation/proc/Release()
 	var/v = reserved_turfs.Copy()
@@ -60,7 +62,10 @@
 		T.flags_1 &= ~UNUSED_RESERVATION_TURF_1
 		SSmapping.unused_turfs["[T.z]"] -= T
 		SSmapping.used_turfs[T] = src
-		T.ChangeTurf(turf_type, turf_type)
+		if(borderturf && (T.x == BL.x || T.x == TR.x || T.y == BL.y || T.y == TR.y))
+			T.ChangeTurf(borderturf, borderturf)
+		else
+			T.ChangeTurf(turf_type, turf_type)
 	src.width = width
 	src.height = height
 	return TRUE