[MIRROR] (code bounty) The tram is now unstoppably powerful. it cannot be stopped, it cannot be slowed, it cannot be reasoned with. YOU HAVE NO IDEA HOW READY YOU ARE [MDB IGNORE] (#14477)

* (code bounty) The tram is now unstoppably powerful. it cannot be stopped, it cannot be slowed, it cannot be reasoned with. YOU HAVE NO IDEA HOW READY YOU ARE

* fex

* fex

Co-authored-by: Kylerace <kylerlumpkin1@gmail.com>
Co-authored-by: Gandalf <9026500+Gandalf2k15@users.noreply.github.com>

code/modules/mapping/space_management/traits.dm

@@ -57,18 +57,19 @@
 
 /// Attempt to get the turf below the provided one according to Z traits
 /datum/controller/subsystem/mapping/proc/get_turf_below(turf/T)
-	if (!T)
+	if (!T || !initialized)
 		return
-	var/offset = level_trait(T.z, ZTRAIT_DOWN)
+	var/offset = multiz_levels[T.z]["[DOWN]"]
 	if (!offset)
 		return
-	return locate(T.x, T.y, T.z + offset)
+	return locate(T.x, T.y, T.z - offset)
 
 /// Attempt to get the turf above the provided one according to Z traits
 /datum/controller/subsystem/mapping/proc/get_turf_above(turf/T)
-	if (!T)
+	if (!T || !initialized)
 		return
-	var/offset = level_trait(T.z, ZTRAIT_UP)
+
+	var/offset = multiz_levels[T.z]["[UP]"]
 	if (!offset)
 		return
 	return locate(T.x, T.y, T.z + offset)

code/modules/mapping/space_management/zlevel_manager.dm

@@ -26,6 +26,8 @@
 	// TODO: sleep here if the Z level needs to be cleared
 	var/datum/space_level/S = new z_type(new_z, name, traits)
 	z_list += S
+	generate_linkages_for_z_level(new_z)
+	calculate_z_level_gravity(new_z)
 	adding_new_zlevel = FALSE
 	SEND_GLOBAL_SIGNAL(COMSIG_GLOB_NEW_Z, S)
 	return S