extends Node3D


var exits: Array = [false, false, false, false]

const STREET_WIDTH: float = 40


func _ready() -> void:
	$Mesh.mesh.size.x = Global.chunk_size
	$Mesh.mesh.size.y = Global.chunk_size
	
	#exits = [
		#randi() % 2 == 0,
		#randi() % 2 == 0,
		#randi() % 2 == 0,
		#randi() % 2 == 0,
	#]
	
	#update()

func update() -> void:
	var i = 0
	for exit in exits:
		if not exit:
			i += 1
			continue
		
		if i == 0: #n
			#$n.position.y = 1

			var vertices = PackedVector3Array()
			vertices.push_back(Vector3(-STREET_WIDTH/2, 0.5, -Global.chunk_size/2))
			vertices.push_back(Vector3(STREET_WIDTH/2 , 0.5, -Global.chunk_size/2))
			vertices.push_back(Vector3(-STREET_WIDTH/2, 0.5, 0))
			vertices.push_back(Vector3(STREET_WIDTH/2, 0.5, -Global.chunk_size/2))
			vertices.push_back(Vector3(STREET_WIDTH/2, 0.5, 0))
			vertices.push_back(Vector3(-STREET_WIDTH/2, 0.5, 0))

			# Initialize the ArrayMesh.
			var arr_mesh = ArrayMesh.new()
			var arrays = []
			arrays.resize(Mesh.ARRAY_MAX)
			arrays[Mesh.ARRAY_VERTEX] = vertices
			# Create the Mesh.
			arr_mesh.add_surface_from_arrays(Mesh.PRIMITIVE_TRIANGLES, arrays)
			var m = MeshInstance3D.new()
			m.mesh = arr_mesh
			add_child(m)
		if i == 1: #s
			#$s.position.y = 1
			
			var vertices = PackedVector3Array()
			vertices.push_back(Vector3(-STREET_WIDTH/2, 0.5, 0))
			vertices.push_back(Vector3(STREET_WIDTH/2, 0.5, 0))
			vertices.push_back(Vector3(-STREET_WIDTH/2, 0.5, Global.chunk_size/2))
			vertices.push_back(Vector3(STREET_WIDTH/2, 0.5, 0))
			vertices.push_back(Vector3(STREET_WIDTH/2, 0.5, Global.chunk_size/2))
			vertices.push_back(Vector3(-STREET_WIDTH/2, 0.5, Global.chunk_size/2))

			# Initialize the ArrayMesh.
			var arr_mesh = ArrayMesh.new()
			var arrays = []
			arrays.resize(Mesh.ARRAY_MAX)
			arrays[Mesh.ARRAY_VERTEX] = vertices
			# Create the Mesh.
			arr_mesh.add_surface_from_arrays(Mesh.PRIMITIVE_TRIANGLES, arrays)
			var m = MeshInstance3D.new()
			m.mesh = arr_mesh
			add_child(m)
		if i == 2: #w
			#$w.position.y = 1
						
			var vertices = PackedVector3Array()
			vertices.push_back(Vector3(-Global.chunk_size/2, 0.5, -STREET_WIDTH/2))
			vertices.push_back(Vector3(0, 0.5, -STREET_WIDTH/2))
			vertices.push_back(Vector3(-Global.chunk_size/2, 0.5, STREET_WIDTH/2))
			vertices.push_back(Vector3(0, 0.5, -STREET_WIDTH/2))
			vertices.push_back(Vector3(0, 0.5, STREET_WIDTH/2))
			vertices.push_back(Vector3(-Global.chunk_size/2, 0.5, STREET_WIDTH/2))

			# Initialize the ArrayMesh.
			var arr_mesh = ArrayMesh.new()
			var arrays = []
			arrays.resize(Mesh.ARRAY_MAX)
			arrays[Mesh.ARRAY_VERTEX] = vertices
			# Create the Mesh.
			arr_mesh.add_surface_from_arrays(Mesh.PRIMITIVE_TRIANGLES, arrays)
			var m = MeshInstance3D.new()
			m.mesh = arr_mesh
			add_child(m)
		if i == 3: #e
			#$e.position.y = 1
			
			var vertices = PackedVector3Array()
			vertices.push_back(Vector3(0, 0.5, -STREET_WIDTH/2))
			vertices.push_back(Vector3(Global.chunk_size/2, 0.5, -STREET_WIDTH/2))
			vertices.push_back(Vector3(0, 0.5, STREET_WIDTH/2))
			vertices.push_back(Vector3(Global.chunk_size/2, 0.5, -STREET_WIDTH/2))
			vertices.push_back(Vector3(Global.chunk_size/2, 0.5, STREET_WIDTH/2))
			vertices.push_back(Vector3(0, 0.5, STREET_WIDTH/2))

			# Initialize the ArrayMesh.
			var arr_mesh = ArrayMesh.new()
			var arrays = []
			arrays.resize(Mesh.ARRAY_MAX)
			arrays[Mesh.ARRAY_VERTEX] = vertices
			# Create the Mesh.
			arr_mesh.add_surface_from_arrays(Mesh.PRIMITIVE_TRIANGLES, arrays)
			var m = MeshInstance3D.new()
			m.mesh = arr_mesh
			add_child(m)
			
		var center_mesh = MeshInstance3D.new()
		center_mesh.position = Vector3(0,0.6,0)
		center_mesh.mesh = PlaneMesh.new()
		center_mesh.mesh.size = Vector2(STREET_WIDTH,STREET_WIDTH)
		add_child(center_mesh)
		
		i += 1