/*

    Copyright (C) 2016 Apple Inc. All Rights Reserved.

    See LICENSE.txt for this sample’s licensing information

    Abstract:

    A state used by `SceneLoader` to indicate that all of the resources for the scene are available.

*/

import GameplayKit

class SceneLoaderResourcesAvailableState: GKState {

    // MARK: Properties

    unowned let sceneLoader: SceneLoader

    // MARK: Initialization

    init(sceneLoader: SceneLoader) {

        self.sceneLoader = sceneLoader

    }

    // MARK: GKState Life Cycle

    override func isValidNextState(_ stateClass: AnyClass) -> Bool {

        switch stateClass {

            case is SceneLoaderInitialState.Type, is SceneLoaderPreparingResourcesState.Type:

                return true

            default:

                return false

        }

    }

}