extends Resource

static var IdleState = preload("res://player/states/idle.gd")
static var FallState = preload("res://player/states/fall.gd")

static func build_states() -> Array[State]:
	var list: Array[State] = []
	list.append(_named(IdleState.new(), &"idle"))
	list.append(_named(FallState.new(), &"fall"))
	return list

static func build_transitions() -> Array[StateTransition]:
	var list: Array[StateTransition] = []

	var t_is_on_floor = TransitionCondition.new(func(data):
		return data.is_on_floor()
		)
	var t_n_is_on_floor = TransitionCondition.new(func(data):
		return !data.is_on_floor()
		)
	
	list.append(_edge(&"idle", &"fall", t_n_is_on_floor, 10))
	list.append(_edge(&"fall", &"idle", t_is_on_floor, 10))

	return list

static func _named(state: State, id: StringName) -> State:
	state.id = id
	return state

static func _edge(from: StringName, to: StringName, condition: TransitionCondition, priority: int) -> StateTransition:
	var t:= StateTransition.new()
	t.from = from
	t.to = to
	t.condition = condition
	t.priority = priority
	return t