Polaris/code/modules/overmap/sectors.dm

//===================================================================================
//Overmap object representing zlevel(s)
//===================================================================================
/obj/effect/overmap/visitable
	name = "map object"
	scannable = TRUE

	var/list/map_z = list()

	var/list/initial_generic_waypoints //store landmark_tag of landmarks that should be added to the actual lists below on init.
	var/list/initial_restricted_waypoints //For use with non-automatic landmarks (automatic ones add themselves).

	var/list/generic_waypoints = list()    //waypoints that any shuttle can use
	var/list/restricted_waypoints = list() //waypoints for specific shuttles
	var/docking_codes

	var/start_x			//Coordinates for self placing
	var/start_y			//will use random values if unset

	var/base = 0		//starting sector, counts as station_levels
	var/in_space = 1	//can be accessed via lucky EVA

	var/hide_from_reports = FALSE

	var/has_distress_beacon

/obj/effect/overmap/visitable/Initialize()
	. = ..()
	if(. == INITIALIZE_HINT_QDEL)
		return

	find_z_levels()     // This populates map_z and assigns z levels to the ship.
	register_z_levels() // This makes external calls to update global z level information.

	if(!global.using_map.overmap_z)
		build_overmap()

	start_x = start_x || rand(OVERMAP_EDGE, global.using_map.overmap_size - OVERMAP_EDGE)
	start_y = start_y || rand(OVERMAP_EDGE, global.using_map.overmap_size - OVERMAP_EDGE)

	forceMove(locate(start_x, start_y, global.using_map.overmap_z))

	docking_codes = "[ascii2text(rand(65,90))][ascii2text(rand(65,90))][ascii2text(rand(65,90))][ascii2text(rand(65,90))]"

	testing("Located sector \"[name]\" at [start_x],[start_y], containing Z [english_list(map_z)]")

	LAZYADD(SSshuttles.sectors_to_initialize, src) //Queued for further init. Will populate the waypoint lists; waypoints not spawned yet will be added in as they spawn.
	SSshuttles.process_init_queues()

//This is called later in the init order by SSshuttles to populate sector objects. Importantly for subtypes, shuttles will be created by then.
/obj/effect/overmap/visitable/proc/populate_sector_objects()

// TODO - Leshana - Implement
///obj/effect/overmap/visitable/proc/get_areas()
//	return get_filtered_areas(list(/proc/area_belongs_to_zlevels = map_z))

/obj/effect/overmap/visitable/proc/find_z_levels()
	map_z = GetConnectedZlevels(z)

/obj/effect/overmap/visitable/proc/register_z_levels()
	for(var/zlevel in map_z)
		map_sectors["[zlevel]"] = src

	global.using_map.player_levels |= map_z
	if(!in_space)
		global.using_map.sealed_levels |= map_z
	if(base)
		global.using_map.station_levels |= map_z
		global.using_map.contact_levels |= map_z
		global.using_map.map_levels |= map_z

//Helper for init.
/obj/effect/overmap/visitable/proc/check_ownership(obj/object)
	if((object.z in map_z) && !(get_area(object) in SSshuttles.shuttle_areas))
		return 1

//If shuttle_name is false, will add to generic waypoints; otherwise will add to restricted. Does not do checks.
/obj/effect/overmap/visitable/proc/add_landmark(obj/effect/shuttle_landmark/landmark, shuttle_name)
	landmark.sector_set(src, shuttle_name)
	if(shuttle_name)
		LAZYADD(restricted_waypoints[shuttle_name], landmark)
	else
		generic_waypoints += landmark

/obj/effect/overmap/visitable/proc/remove_landmark(obj/effect/shuttle_landmark/landmark, shuttle_name)
	if(shuttle_name)
		var/list/shuttles = restricted_waypoints[shuttle_name]
		LAZYREMOVE(shuttles, landmark)
	else
		generic_waypoints -= landmark

/obj/effect/overmap/visitable/proc/get_waypoints(var/shuttle_name)
	. = list()
	for(var/obj/effect/overmap/visitable/contained in src)
		. += contained.get_waypoints(shuttle_name)
	for(var/thing in generic_waypoints)
		.[thing] = name
	if(shuttle_name in restricted_waypoints)
		for(var/thing in restricted_waypoints[shuttle_name])
			.[thing] = name

/obj/effect/overmap/visitable/proc/generate_skybox()
	return

/obj/effect/overmap/visitable/sector
	name = "generic sector"
	desc = "Sector with some stuff in it."
	icon_state = "sector"
	anchored = 1

// Because of the way these are spawned, they will potentially have their invisibility adjusted by the turfs they are mapped on
// prior to being moved to the overmap. This blocks that. Use set_invisibility to adjust invisibility as needed instead.
/obj/effect/overmap/visitable/sector/hide()

/proc/build_overmap()
	if(!global.using_map.use_overmap)
		return 1

	testing("Building overmap...")
	world.maxz++
	global.using_map.overmap_z = world.maxz

	testing("Putting overmap on [global.using_map.overmap_z]")
	var/area/overmap/A = new
	for (var/square in block(locate(1,1,global.using_map.overmap_z), locate(global.using_map.overmap_size,global.using_map.overmap_size,global.using_map.overmap_z)))
		var/turf/T = square
		if(T.x == global.using_map.overmap_size || T.y == global.using_map.overmap_size)
			T = T.ChangeTurf(/turf/unsimulated/map/edge)
		else
			T = T.ChangeTurf(/turf/unsimulated/map)
		ChangeArea(T, A)

	global.using_map.sealed_levels |= global.using_map.overmap_z

	testing("Overmap build complete.")
	return 1