initial commit - cross reference with 5th port - obviously has compile errors

code/game/objects/structures/target_stake.dm

@@ -0,0 +1,55 @@
+/obj/structure/target_stake
+	name = "target stake"
+	desc = "A thin platform with negatively-magnetized wheels."
+	icon = 'icons/obj/objects.dmi'
+	icon_state = "target_stake"
+	density = 1
+	flags = CONDUCT
+	var/obj/item/target/pinned_target
+
+/obj/structure/target_stake/Destroy()
+	if(pinned_target)
+		pinned_target.nullPinnedLoc()
+	return ..()
+
+/obj/structure/target_stake/proc/nullPinnedTarget()
+	pinned_target = null
+
+/obj/structure/target_stake/Move()
+	..()
+	if(pinned_target)
+		pinned_target.loc = loc
+
+/obj/structure/target_stake/attackby(obj/item/target/T, mob/user)
+	if(pinned_target)
+		return
+	if(istype(T) && user.drop_item())
+		pinned_target = T
+		T.pinnedLoc = src
+		T.density = 1
+		T.layer = OBJ_LAYER + 0.01
+		T.loc = loc
+		user << "<span class='notice'>You slide the target into the stake.</span>"
+
+/obj/structure/target_stake/attack_hand(mob/user)
+	if(pinned_target)
+		removeTarget(user)
+
+/obj/structure/target_stake/proc/removeTarget(mob/user)
+	pinned_target.layer = OBJ_LAYER
+	pinned_target.loc = user.loc
+	pinned_target.nullPinnedLoc()
+	nullPinnedTarget()
+	if(ishuman(user))
+		if(!user.get_active_hand())
+			user.put_in_hands(pinned_target)
+			user << "<span class='notice'>You take the target out of the stake.</span>"
+	else
+		pinned_target.loc = get_turf(user)
+		user << "<span class='notice'>You take the target out of the stake.</span>"
+
+/obj/structure/target_stake/bullet_act(obj/item/projectile/P)
+	if(pinned_target)
+		pinned_target.bullet_act(P)
+	else
+		..()