(+)Power sinks now kick back ~20% APC charge when disconnected. (enou…

…gh that equipment breaker on auto should come back online, but lights need charging or to manually set the breaker on)

code/obj/item/device/powersink.dm

@@ -1,4 +1,7 @@
 // Powersink - used to drain station power
+#define POWERSINK_OFF 0
+#define POWERSINK_CLAMPED 1
+#define POWERSINK_OPERATING 2
 
 /obj/item/device/powersink
 	desc = "A nulling power sink which drains energy from electrical systems."
@@ -16,7 +19,7 @@
 	var/drain_rate = 400000		// amount of power to drain per tick
 	var/power_drained = 0 		// has drained this much power
 	var/max_power = 2e8		// maximum power that can be drained before exploding
-	var/mode = 0		// 0 = off, 1=clamped (off), 2=operating
+	var/mode = POWERSINK_OFF		// 0 = off, 1=clamped (off), 2=operating
 	is_syndicate = 1
 	mats = 16
 	rand_pos = 0
@@ -33,7 +36,7 @@
 
 	attackby(var/obj/item/I, var/mob/user)
 		if (isscrewingtool(I))
-			if(mode == 0)
+			if(mode == POWERSINK_OFF)
 				var/turf/T = loc
 				if(isturf(T) && !T.intact)
 					attached = locate() in T
@@ -42,7 +45,7 @@
 						return
 					else
 						anchored = 1
-						mode = 1
+						mode = POWERSINK_CLAMPED
 						boutput(user, "You attach the device to the cable.")
 						for(var/mob/M in AIviewers(user))
 							if(M == user) continue
@@ -52,8 +55,20 @@
 					boutput(user, "Device must be placed over an exposed cable to attach to it.")
 					return
 			else
+				if(attached && mode == POWERSINK_OPERATING) //give back some charge when disconnected
+					var/datum/powernet/PN = attached.get_powernet()
+					if(PN)
+						for(var/obj/machinery/power/terminal/T in PN.nodes)
+							if(istype(T.master, /obj/machinery/power/apc))
+								var/obj/machinery/power/apc/A = T.master
+								if(A.operating && A.cell)
+									var/charge_amt = max(0, A.cell.maxcharge/5 - A.cell.charge)
+									if(power_drained > charge_amt * 5)
+										power_drained -= charge_amt * 5
+										A.cell.charge += charge_amt
+
 				anchored = 0
-				mode = 0
+				mode = POWERSINK_OFF
 				boutput(user, "You detach	the device from the cable.")
 				for(var/mob/M in AIviewers(user))
 					if(M == user) continue
@@ -71,15 +86,15 @@
 
 	attack_hand(var/mob/user)
 		switch(mode)
-			if(0)
+			if(POWERSINK_OFF)
 				..()
 
-			if(1)
+			if(POWERSINK_CLAMPED)
 				boutput(user, "You activate the device!")
 				for(var/mob/M in AIviewers(user))
 					if(M == user) continue
 					boutput(M, "[user] activates the power sink!")
-				mode = 2
+				mode = POWERSINK_OPERATING
 				icon_state = "powersink1"
 				processing_items |= src
 				logTheThing("combat", user, src, "activated [src] at [log_loc(src)].")
@@ -115,3 +130,7 @@
 				processing_items.Remove(src)
 				explosion(src, src.loc, 3,6,9,12)
 				qdel(src)
+
+#undef POWERSINK_OFF
+#undef POWERSINK_CLAMPED
+#undef POWERSINK_OPERATING

strings/changelog.txt

@@ -1,5 +1,8 @@
 
 (t)fri nov 05 21
+(u)tarmunora
+(e)⚖|balance
+(+)Power sinks now kick back ~20% APC charge when disconnected.
 (u)FlamingLily
 (p)6543
 (e)|