Yet more map tweaks

maps/groundbase/groundbase.dm

@@ -0,0 +1,23 @@
+#if !defined(USING_MAP_DATUM)
+
+	#include "groundbase_areas.dm"
+	#include "groundbase_defines.dm"
+	#include "groundbase_shuttles.dm"
+	#include "groundbase_telecomms.dm"
+	#include "groundbase_things.dm"
+	#include "..\offmap_vr\common_offmaps.dm"
+	#include "..\tether\tether_jobs.dm"
+
+	#if !AWAY_MISSION_TEST //Don't include these for just testing away missions
+		#include "gb-z1.dmm"
+		#include "gb-z2.dmm"
+		#include "gb-z3.dmm"
+	#endif
+
+	#define USING_MAP_DATUM /datum/map/groundbase
+
+#elif !defined(MAP_OVERRIDE)
+
+	#warn A map has already been included, ignoring Groundbase
+
+#endif