class_name WallTile
extends FullTile

const WALLS: Array = [
	"wall",
	"window",
	"door"
]

enum WallKind {
	STRAIGHT,
	OUTER_CORNER,
	T,
	CROSS,
}

var kind: WallKind = WallKind.STRAIGHT
var facing: int = 0

func _init(rename: String, neighbors: Array):
	super(rename, neighbors)

	var edges = neighbors.duplicate()

	var series: int = 0
	var last_series: int = 0
	var adj: Array = []

	for i in range(4):
		var i_name = tile_name(edges[i])
		if is_wall(i_name):
			edges[i] = "wall"
		else:
			edges[i] = tile_name(edges[i])

	for i in range(4):
		if edges[i] != "wall":
			last_series += 1
			adj.append(i)
			if last_series > series:
				series = last_series
		else:
			last_series = 0

	var count = 4 - adj.size()

	if series == 1&&count == 2:
		facing = adj[0]
		kind = WallKind.STRAIGHT
	elif series == 2&&count == 2:
		facing = adj[0]
		kind = WallKind.OUTER_CORNER
	elif series == 1&&count == 3:
		facing = adj[0]
		kind = WallKind.T
	elif series == 0&&count == 4:
		facing = adj[0]
		kind = WallKind.CROSS
	turn_facing(facing)