[MIRROR] Maintenance Panels (#12028)

Co-authored-by: Will <7099514+Willburd@users.noreply.github.com>
Co-authored-by: Cameron Lennox <killer65311@gmail.com>

code/modules/maintenance_panels/maintpanel_stack.dm

@@ -0,0 +1,70 @@
+// Maintenance panel sheets
+/obj/item/stack/tile/maintenance_panel
+	name = "maintenance panel"
+	desc = "A maintenance panel"
+	singular_name = "panel"
+	icon_state = "maintpanel"
+	force = 6.0
+	matter = list(DEFAULT_WALL_MATERIAL = SHEET_MATERIAL_AMOUNT / 4)
+	throwforce = 15.0
+	throw_speed = 5
+	throw_range = 20
+	can_weld = TRUE
+	no_variants = FALSE
+
+/obj/item/stack/tile/maintenance_panel/attack_self(var/mob/user)
+	var/turf/T = user.loc
+	if(!user || (loc != user && !isrobot(user)) || user.stat || user.loc != T)
+		return FALSE
+
+	if(!user.IsAdvancedToolUser())
+		to_chat(user, span_warning("This task is too complex for your clumsy hands."))
+		return TRUE
+
+	// Get data for building windows here.
+	var/list/possible_directions = GLOB.cardinal.Copy()
+	var/window_count = 0
+	for (var/obj/structure/window/check_window in user.loc)
+		window_count++
+		possible_directions  -= check_window.dir
+	for (var/obj/structure/windoor_assembly/check_assembly in user.loc)
+		window_count++
+		possible_directions -= check_assembly.dir
+	for (var/obj/machinery/door/window/check_windoor in user.loc)
+		window_count++
+		possible_directions -= check_windoor.dir
+
+	// Get the closest available dir to the user's current facing.
+	var/build_dir = SOUTHWEST //Default to southwest for fulltile windows.
+	var/failed_to_build
+	if(window_count >= 4)
+		failed_to_build = 1
+	else
+		if(possible_directions.len)
+			for(var/direction in list(user.dir, turn(user.dir,90), turn(user.dir,270), turn(user.dir,180)))
+				if(direction in possible_directions)
+					build_dir = direction
+					break
+		else
+			failed_to_build = 1
+	if(failed_to_build)
+		to_chat(user, span_warning("There is no room in this location."))
+		return TRUE
+
+	var/sheets_needed = 1
+	if(get_amount() < sheets_needed)
+		to_chat(user, span_warning("You need at least [sheets_needed] sheets to build this."))
+		return TRUE
+	if(build_dir == SOUTHWEST)
+		to_chat(user, span_warning("A maintenance panel cannot be built like that!"))
+		return TRUE
+
+	// Build the structure and update sheet count etc.
+	use(sheets_needed)
+	new /obj/structure/window/maintenance_panel(T, build_dir, 1)
+	return TRUE
+
+// Spawner
+/obj/fiftyspawner/maintenance_panel
+	name = "stack of maintenance panels"
+	type_to_spawn = /obj/item/stack/tile/maintenance_panel