/*

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

    See LICENSE.txt for this sample’s licensing information

    Abstract:

    An extension of `BaseScene` to provide OS X platform specific functionality. This file is only included in the OS X target.

*/

import Cocoa

/*

    Extend `BaseScene` to forward events from the scene to a platform-specific

    control input source. On OS X, this is a `KeyboardControlInputSource`.

*/

extension BaseScene {

    // MARK: Properties

    var keyboardControlInputSource: KeyboardControlInputSource {

        return sceneManager.gameInput.nativeControlInputSource as! KeyboardControlInputSource

    }

    // MARK: NSResponder

    override func mouseDown(with event: NSEvent) {

        keyboardControlInputSource.handleMouseDownEvent()

    }

    override func mouseUp(with event: NSEvent) {

        keyboardControlInputSource.handleMouseUpEvent()

    }

    override func keyDown(with event: NSEvent) {

        guard let characters = event.charactersIgnoringModifiers?.characters else { return }

        for character in characters {

            keyboardControlInputSource.handleKeyDown(forCharacter: character)

        }

    }

    override func keyUp(with event: NSEvent) {

        guard let characters = event.charactersIgnoringModifiers?.characters else { return }

        for character in characters {

            keyboardControlInputSource.handleKeyUp(forCharacter: character)

        }

    }

}