Port Runechat

code/_helpers/time.dm

@@ -20,6 +20,8 @@
 #define TICKS2DS(T) ((T) TICKS) 				// Convert ticks to deciseconds
 #define DS2NEARESTTICK(DS) TICKS2DS(-round(-(DS2TICKS(DS))))
 
+var/world_startup_time
+
 /proc/get_game_time()
 	var/global/time_offset = 0
 	var/global/last_time = 0

code/_helpers/unsorted.dm

@@ -1691,3 +1691,19 @@ GLOBAL_REAL_VAR(list/stack_trace_storage)
 		return "CLIENT: [D]"
 	else
 		return "Unknown data type: [D]"
+
+/*
+	is_holder_of(): Returns 1 if A is a holder of B, meaning, A is B.loc or B.loc.loc or B.loc.loc.loc etc.
+	This is essentially the same as calling (locate(B) in A), but a little clearer as to what you're doing, and locate() has been known to bug out or be extremely slow in the past.
+*/
+/proc/is_holder_of(const/atom/movable/A, const/atom/movable/B)
+	if(istype(A, /turf) || istype(B, /turf)) //Clicking on turfs is a common thing and turfs are also not /atom/movable, so it was causing the assertion to fail.
+		return 0
+	ASSERT(istype(A) && istype(B))
+	var/atom/O = B
+	while(O && !isturf(O))
+		if(O == A)
+			return 1
+		O = O.loc
+	return 0
+