Small: Excelsior shield generator rework

cev_eris.dme

@@ -903,11 +903,11 @@
 #include "code\game\machinery\excelsior\centor.dm"
 #include "code\game\machinery\excelsior\diesel.dm"
 #include "code\game\machinery\excelsior\emplacement.dm"
+#include "code\game\machinery\excelsior\ex_shield.dm"
 #include "code\game\machinery\excelsior\ex_teleporter.dm"
 #include "code\game\machinery\excelsior\ex_turret.dm"
 #include "code\game\machinery\excelsior\excelsior_debug_tools.dm"
 #include "code\game\machinery\excelsior\excelsior_researches.dm"
-#include "code\game\machinery\excelsior\field.dm"
 #include "code\game\machinery\excelsior\implantmaker.dm"
 #include "code\game\machinery\excelsior\node.dm"
 #include "code\game\machinery\excelsior\redirector.dm"

code/__HELPERS/unsorted.dm

@@ -1084,6 +1084,33 @@ Turf and target are seperate in case you want to teleport some distance from a t
 			return EAST
 		if(NORTHWEST)
 			return SOUTHEAST
+// Used in Excelsior [ex_shield.dm]
+/proc/get_adjacent_dirs(dir)
+	switch(dir)
+		if(NORTH)
+			return list(NORTHEAST, NORTHWEST)
+		if(NORTHEAST)
+			return list(NORTH, EAST)
+		if(NORTHWEST)
+			return list(NORTH, WEST)
+		if(SOUTH)
+			return list(SOUTHEAST, SOUTHWEST)
+		if(SOUTHEAST)
+			return list(SOUTH, EAST)
+		if(SOUTHWEST)
+			return list(SOUTH, WEST)
+		if(EAST)
+			return list(NORTHEAST, SOUTHEAST)
+		if(NORTHEAST)
+			return list(NORTH, EAST)
+		if(SOUTHEAST)
+			return list(SOUTH, EAST)
+		if(WEST)
+			return list(NORTHWEST, SOUTHWEST)
+		if(NORTHWEST)
+			return list(NORTH, WEST)
+		if(SOUTHWEST)
+			return list(SOUTH, WEST)
 
 /*
 Checks if that loc and dir has a item on the wall