Merge remote-tracking branch 'origin/master' into hardsync-1.5

code/game/machinery/colormate.dm

@@ -44,7 +44,8 @@
 		icon_state = "colormate"
 
 /obj/machinery/gear_painter/Destroy()
-	inserted.forceMove(drop_location())
+	if(inserted) //please i beg you do not drop nulls
+		inserted.forceMove(drop_location())
 	return ..()
 
 /obj/machinery/gear_painter/attackby(obj/item/I, mob/living/user)

code/game/machinery/computer/buildandrepair.dm

@@ -117,12 +117,6 @@
 	if(user.a_intent == INTENT_HARM)
 		return ..()
 
-//callback proc used on stacks use_tool to stop unnecessary amounts being wasted from spam clicking.
-/obj/structure/frame/computer/proc/check_state(target_state)
-	if(state == target_state)
-		return TRUE
-	return FALSE
-
 /obj/structure/frame/computer/deconstruct(disassembled = TRUE)
 	if(!(flags_1 & NODECONSTRUCT_1))
 		if(state == 4)

code/game/machinery/constructable_frame.dm

@@ -21,6 +21,11 @@
 			circuit = null
 	qdel(src)
 
+//callback proc used on stacks use_tool to stop unnecessary amounts being wasted from spam clicking.
+/obj/structure/frame/proc/check_state(target_state)
+	if(state == target_state)
+		return TRUE
+	return FALSE
 
 /obj/structure/frame/machine
 	name = "machine frame"
@@ -84,7 +89,7 @@
 				if(!P.tool_start_check(user, amount=5))
 					return
 				to_chat(user, "<span class='notice'>You start to add cables to the frame...</span>")
-				if(P.use_tool(src, user, 20, volume=50, amount=5))
+				if(P.use_tool(src, user, 20, volume=50, amount=5, extra_checks = CALLBACK(src, .proc/check_state, 1)))
 					to_chat(user, "<span class='notice'>You add cables to the frame.</span>")
 					state = 2
 					icon_state = "box_1"
@@ -93,25 +98,23 @@
 			if(P.tool_behaviour == TOOL_SCREWDRIVER && !anchored)
 				user.visible_message("<span class='warning'>[user] disassembles the frame.</span>", \
 									"<span class='notice'>You start to disassemble the frame...</span>", "You hear banging and clanking.")
-				if(P.use_tool(src, user, 40, volume=50))
-					if(state == 1)
-						to_chat(user, "<span class='notice'>You disassemble the frame.</span>")
-						var/obj/item/stack/sheet/metal/M = new (loc, 5)
-						M.add_fingerprint(user)
-						qdel(src)
+				if(P.use_tool(src, user, 40, volume=50, extra_checks = CALLBACK(src, .proc/check_state, 1)))
+					to_chat(user, "<span class='notice'>You disassemble the frame.</span>")
+					var/obj/item/stack/sheet/metal/M = new (loc, 5)
+					M.add_fingerprint(user)
+					qdel(src)
 				return
 			if(P.tool_behaviour == TOOL_WRENCH)
 				to_chat(user, "<span class='notice'>You start [anchored ? "un" : ""]securing [name]...</span>")
-				if(P.use_tool(src, user, 40, volume=75))
-					if(state == 1)
-						to_chat(user, "<span class='notice'>You [anchored ? "un" : ""]secure [name].</span>")
-						setAnchored(!anchored)
+				if(P.use_tool(src, user, 40, volume=75, extra_checks = CALLBACK(src, .proc/check_state, 1)))
+					to_chat(user, "<span class='notice'>You [anchored ? "un" : ""]secure [name].</span>")
+					setAnchored(!anchored)
 				return
 
 		if(2)
 			if(P.tool_behaviour == TOOL_WRENCH)
 				to_chat(user, "<span class='notice'>You start [anchored ? "un" : ""]securing [name]...</span>")
-				if(P.use_tool(src, user, 40, volume=75))
+				if(P.use_tool(src, user, 40, volume=75, extra_checks = CALLBACK(src, .proc/check_state, 2)))
 					to_chat(user, "<span class='notice'>You [anchored ? "un" : ""]secure [name].</span>")
 					setAnchored(!anchored)
 				return
@@ -169,7 +172,7 @@
 
 			if(P.tool_behaviour == TOOL_WRENCH && !circuit.needs_anchored)
 				to_chat(user, "<span class='notice'>You start [anchored ? "un" : ""]securing [name]...</span>")
-				if(P.use_tool(src, user, 40, volume=75))
+				if(P.use_tool(src, user, 40, volume=75, extra_checks = CALLBACK(src, .proc/check_state, 3)))
 					to_chat(user, "<span class='notice'>You [anchored ? "un" : ""]secure [name].</span>")
 					setAnchored(!anchored)
 				return

code/game/machinery/doors/airlock.dm

@@ -1062,7 +1062,7 @@
 		to_chat(user, "<span class='warning'>The airlock's motors resist your efforts to force it!</span>")
 	else if(locked)
 		to_chat(user, "<span class='warning'>The airlock's bolts prevent it from being forced!</span>")
-	else if( !welded && !operating)
+	else if(!welded && !operating)
 		if(!beingcrowbarred) //being fireaxe'd
 			var/obj/item/fireaxe/axe = I
 			if(!axe.wielded)
@@ -1073,6 +1073,8 @@
 			INVOKE_ASYNC(src, (density ? .proc/open : .proc/close), 2)
 
 	if(I.tool_behaviour == TOOL_CROWBAR)
+		if(!I.can_force_powered)
+			return
 		if(hasPower() && isElectrified())
 			shock(user,100)//it's like sticking a forck in a power socket
 			return