part 4: the one where i slowly go insane

code/__HELPERS/areas.dm

@@ -1,5 +1,10 @@
 #define BP_MAX_ROOM_SIZE 300
 
+GLOBAL_LIST_INIT(typecache_powerfailure_safe_areas, typecacheof(/area/engine/engineering, \
+															    /area/engine/supermatter, \
+															    /area/engine/atmospherics_engine, \
+															    /area/ai_monitored/turret_protected/ai))
+
 //Repopulates sortedAreas list
 /proc/repopulate_sorted_areas()
 	GLOB.sortedAreas = list()

code/__HELPERS/game.dm

@@ -549,3 +549,36 @@
 	var/pressure = environment.return_pressure()
 	if(pressure <= LAVALAND_EQUIPMENT_EFFECT_PRESSURE)
 		. = TRUE
+
+/proc/ispipewire(item)
+	var/static/list/pipe_wire = list(
+		/obj/machinery/atmospherics,
+		/obj/structure/disposalpipe,
+		/obj/structure/cable
+	)
+	return (is_type_in_list(item, pipe_wire))
+
+// Find a obstruction free turf that's within the range of the center. Can also condition on if it is of a certain area type.
+/proc/find_obstruction_free_location(var/range, var/atom/center, var/area/specific_area)
+	var/list/turfs = RANGE_TURFS(range, center)
+	var/list/possible_loc = list()
+	for(var/turf/found_turf in turfs)
+		var/area/turf_area = get_area(found_turf)
+		if (specific_area)	// We check if both the turf is a floor, and that it's actually in the area. // We also want a location that's clear of any obstructions.
+			if(!istype(turf_area, specific_area))
+				continue
+		if(!isspaceturf(found_turf))
+			if(!is_blocked_turf(found_turf))
+				possible_loc.Add(found_turf)
+	if (possible_loc.len < 1)	// Need at least one free location.
+		return FALSE
+	return pick(possible_loc)
+
+/proc/power_fail(duration_min, duration_max)
+	for(var/P in GLOB.apcs_list)
+		var/obj/machinery/power/apc/C = P
+		if(C.cell && SSmapping.level_trait(C.z, ZTRAIT_STATION))
+			var/area/A = C.area
+			if(GLOB.typecache_powerfailure_safe_areas[A.type])
+				continue
+			C.energy_fail(rand(duration_min,duration_max))

code/__HELPERS/roundend.dm

@@ -354,6 +354,7 @@
 	roundend_report.set_content(content)
 	roundend_report.stylesheets = list()
 	roundend_report.add_stylesheet("roundend", 'html/browser/roundend.css')
+	roundend_report.add_stylesheet("font-awesome", 'html/font-awesome/css/all.min.css')
 	roundend_report.open(0)
 
 /datum/controller/subsystem/ticker/proc/personal_report(client/C, popcount)