[MIRROR] Replaced body zone magic strings with defines (#6004)

* Replaced body zone magic strings with defines

* merge conflicts

code/_onclick/hud/screen_objects.dm

@@ -374,7 +374,7 @@
 	name = "damage zone"
 	icon_state = "zone_sel"
 	screen_loc = ui_zonesel
-	var/selecting = "chest"
+	var/selecting = BODY_ZONE_CHEST
 
 /obj/screen/zone_sel/Click(location, control,params)
 	if(isobserver(usr))
@@ -389,44 +389,44 @@
 		if(1 to 9) //Legs
 			switch(icon_x)
 				if(10 to 15)
-					choice = "r_leg"
+					choice = BODY_ZONE_R_LEG
 				if(17 to 22)
-					choice = "l_leg"
+					choice = BODY_ZONE_L_LEG
 				else
 					return 1
 		if(10 to 13) //Hands and groin
 			switch(icon_x)
 				if(8 to 11)
-					choice = "r_arm"
+					choice = BODY_ZONE_R_ARM
 				if(12 to 20)
-					choice = "groin"
+					choice = BODY_ZONE_PRECISE_GROIN
 				if(21 to 24)
-					choice = "l_arm"
+					choice = BODY_ZONE_L_ARM
 				else
 					return 1
 		if(14 to 22) //Chest and arms to shoulders
 			switch(icon_x)
 				if(8 to 11)
-					choice = "r_arm"
+					choice = BODY_ZONE_R_ARM
 				if(12 to 20)
-					choice = "chest"
+					choice = BODY_ZONE_CHEST
 				if(21 to 24)
-					choice = "l_arm"
+					choice = BODY_ZONE_L_ARM
 				else
 					return 1
 		if(23 to 30) //Head, but we need to check for eye or mouth
 			if(icon_x in 12 to 20)
-				choice = "head"
+				choice = BODY_ZONE_HEAD
 				switch(icon_y)
 					if(23 to 24)
 						if(icon_x in 15 to 17)
-							choice = "mouth"
+							choice = BODY_ZONE_PRECISE_MOUTH
 					if(26) //Eyeline, eyes are on 15 and 17
 						if(icon_x in 14 to 18)
-							choice = "eyes"
+							choice = BODY_ZONE_PRECISE_EYES
 					if(25 to 27)
 						if(icon_x in 15 to 17)
-							choice = "eyes"
+							choice = BODY_ZONE_PRECISE_EYES
 
 	return set_selected_zone(choice, usr)
 

code/_onclick/other_mobs.dm

@@ -91,7 +91,7 @@
 		return
 	var/mob/living/carbon/ML = A
 	if(istype(ML))
-		var/dam_zone = pick("chest", "l_hand", "r_hand", "l_leg", "r_leg")
+		var/dam_zone = pick(BODY_ZONE_CHEST, BODY_ZONE_PRECISE_L_HAND, BODY_ZONE_PRECISE_R_HAND, BODY_ZONE_L_LEG, BODY_ZONE_R_LEG)
 		var/obj/item/bodypart/affecting = null
 		if(ishuman(ML))
 			var/mob/living/carbon/human/H = ML