extends Spatial

var courtyard_tile: PackedScene = load("res://objects/courtyard-tile.scn")
var foundation_tile: PackedScene = load("res://objects/foundation.scn")
var room_tile: PackedScene = load("res://objects/block-room-corridoor.scn")
var tower_walls_tile: PackedScene = load("res://objects/tower-walls.scn")
var tower_floor_tile: PackedScene = load("res://objects/tower_floor.scn")
var stairs_tile: PackedScene = load("res://objects/stairs.scn")
var gate_bottom_tile: PackedScene = load("res://objects/gate_bottom.scn")
var gate_top_tile: PackedScene = load("res://objects/gate-top.scn")
var entry_tile: PackedScene = load("res://objects/block-room-entry.scn")
var roof_tile: PackedScene = load("res://objects/roof.scn")
var tower_roof_tile: PackedScene = load("res://objects/tower-roof.scn")

const tile_size = 8
const palace_size = 8
const layers = 4


func _ready():
	var voffset = 0.0
	for layer in range(layers):
		match layer:
			0:
				voffset += 0.0
			1:
				voffset += 1
			2:
				voffset += 4
			_:
				voffset += 4
		for i in range(palace_size):
			for j in range(palace_size):
				var x = i * tile_size - palace_size * tile_size / 2
				var z = j * tile_size - palace_size * tile_size / 2
				if layer == 0:
					var ct = courtyard_tile.instance()
					var xform = Transform(Basis(), Vector3(x, voffset, z))
					if i > 0 && i < palace_size - 1:
						if j > 0 && j < palace_size - 1:
							call_deferred("place", ct, xform)
					if i in [0, palace_size - 1] || j in [0, palace_size - 1]:
							call_deferred("place", ct, xform)
				else:
					var ct = room_tile.instance()
					var tower_angles = {
						0:
							{
								0: -PI / 2.0,
								palace_size - 1: 0
							},
						palace_size - 1:
							{
								0: PI,
								palace_size - 1: PI / 2.0
							}
					}
					var xform = Transform(Basis(), Vector3(x, voffset, z))
					if i  == 0 && !j in [0, palace_size - 1]:
						xform.basis = Basis().rotated(Vector3.UP, -PI / 2.0)
						spawn_wall(layer, i, j, xform)
					elif i == palace_size - 1 && !j in [0, palace_size - 1]:
						xform.basis = Basis().rotated(Vector3.UP, PI / 2.0)
						spawn_wall(layer, i, j, xform)
					elif !i in [0, palace_size - 1] && j == 0:
						xform.basis = Basis().rotated(Vector3.UP, PI)
						spawn_wall(layer, i, j, xform)
					elif !i in [0, palace_size - 1] && j == palace_size - 1:
						xform.basis = Basis()
						spawn_wall(layer, i, j, xform)
					elif tower_angles.has(i) && tower_angles[i].has(j):
						xform.basis = Basis().rotated(Vector3.UP, tower_angles[i][j])
						if layer == layers - 1:
							var twr = tower_roof_tile.instance()
							call_deferred("place", twr, xform)
						else:
							var tw = tower_walls_tile.instance()
							call_deferred("place", tw, xform)
							var st = stairs_tile.instance()
							call_deferred("place", st, xform)
							if layer == 1:
								var tfl = tower_floor_tile.instance()
								call_deferred("place", tfl, xform)
	var car = Spatial.new()
	car.add_to_group("spawn")
	car.add_to_group("keep")
	car.add_to_group("car")
	add_child(car)
	for e in range(5):
		var major_f = Spatial.new()
		major_f.add_to_group("spawn")
		if e == 0:
			major_f.add_to_group("male")
		else:
			major_f.add_to_group("female")
		major_f.add_to_group("keep")
		add_child(major_f)
		major_f.global_transform = Transform(Basis(), Vector3(cos(PI / 3 * e) * 2.0, 0, sin(PI / 3 * e) * 2.0) + Vector3(10.0, 0, 0))
	print("PALACE done")
func place(obj, where):
	add_child(obj)
	obj.transform = where
	print("placed at ", where.origin)

func spawn_wall(layer:int, i: int, j: int, xform: Transform):
	if layer == layers - 1:
		var rt = roof_tile.instance()
		call_deferred("place", rt, xform)
	elif (j != palace_size / 2.0 && i != palace_size / 2.0)|| layer > 2:
		var ct = room_tile.instance()
		call_deferred("place", ct, xform)
	elif (j == palace_size / 2.0 && i != palace_size / 2.0) && layer == 1:
		var ent = entry_tile.instance()
		call_deferred("place", ent, xform)
	elif (j != palace_size / 2.0 && i == palace_size / 2.0) && layer == 1:
		var gw = gate_bottom_tile.instance()
		call_deferred("place", gw, xform)
	elif (j != palace_size / 2.0 && i == palace_size / 2.0) && layer == 2:
		var gw = gate_top_tile.instance()
		call_deferred("place", gw, xform)
	elif (j == palace_size / 2.0 && i != palace_size / 2.0) && layer == 2:
		var ct = room_tile.instance()
		call_deferred("place", ct, xform)