/*

 Copyright (C) 2014 Apple Inc. All Rights Reserved.

 See LICENSE.txt for this sample’s licensing information

 Abstract:

  The shared implementation of the application delegate for both iOS and OS X versions of the game. This class handles initial setup of the game, including loading assets and checking for game controllers, before passing control to AAPLGameSimulation to start the game.

 */

#import <SceneKit/SceneKit.h>

#import <SpriteKit/SpriteKit.h>

#import <GameController/GameController.h>

#import <GLKit/GLKMath.h>

#import <GameKit/GameKit.h>

#import "AAPLAppDelegate.h"

#import "AAPLMainMenu.h"

#import "AAPLInGameScene.h"

#import "AAPLGameSimulation.h"

#import "AAPLSceneView.h"

#import "AAPLGameLevel.h"

#import "AAPLPlayerCharacter.h"

@interface AAPLAppDelegate ()

@property (strong, nonatomic) AAPLInGameScene *skScene;

@end

@implementation AAPLAppDelegate

+ (AAPLAppDelegate *)sharedAppDelegate

{

#if TARGET_OS_IPHONE

    return [UIApplication sharedApplication].delegate;

#else

    return [NSApp delegate];

#endif

}

- (void)listenForGameControllerWithSim:(AAPLGameSimulation *)gameSim

{

    //-- GameController hook up

    [[NSNotificationCenter defaultCenter] addObserver:gameSim

                                             selector:@selector(controllerDidConnect:)

                                                 name:GCControllerDidConnectNotification

                                               object:nil];

    [[NSNotificationCenter defaultCenter] addObserver:gameSim

                                             selector:@selector(controllerDidDisconnect:)

                                                 name:GCControllerDidDisconnectNotification

                                               object:nil];

    [GCController startWirelessControllerDiscoveryWithCompletionHandler:nil];

}

- (void)togglePaused

{

    AAPLGameState currentState = [[AAPLGameSimulation sim] gameState];

    if (currentState == AAPLGameStatePaused) {

        [[AAPLGameSimulation sim] setGameState:AAPLGameStateInGame];

    } else if (currentState == AAPLGameStateInGame) {

        [[AAPLGameSimulation sim] setGameState:AAPLGameStatePaused];

    }

}

- (void)commonApplicationDidFinishLaunchingWithCompletionHandler:(void(^)(void))completionHandler

{

    // Debugging and Stats

#if DEBUG

    self.scnView.showsStatistics = YES;

#endif

    self.scnView.backgroundColor = [SKColor blackColor];

    NSProgress *progress = [NSProgress progressWithTotalUnitCount:10];

    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{

        [progress becomeCurrentWithPendingUnitCount:2];

        AAPLInGameScene *ui = [[AAPLInGameScene alloc] initWithSize:self.scnView.bounds.size];

        dispatch_async(dispatch_get_main_queue(), ^{

            self.scnView.overlaySKScene = ui;

        });

        [progress resignCurrent];

        [progress becomeCurrentWithPendingUnitCount:3];

        AAPLGameSimulation *gameSim = [AAPLGameSimulation sim];

        gameSim.gameUIScene = ui;

        [progress resignCurrent];

        [progress becomeCurrentWithPendingUnitCount:3];

        [SCNTransaction flush];

        // Preload

        [self.scnView prepareObject:gameSim shouldAbortBlock:NULL];

        [progress resignCurrent];

        [progress becomeCurrentWithPendingUnitCount:1];

        // Game Play Specific Code

        gameSim.gameUIScene.gameStateDelegate = gameSim.gameLevel;

        [gameSim.gameLevel resetLevel];

        gameSim.gameState = AAPLGameStatePreGame;

        [progress resignCurrent];

        [progress becomeCurrentWithPendingUnitCount:1];

        // GameController hook up

        [self listenForGameControllerWithSim:gameSim];

        dispatch_async(dispatch_get_main_queue(), ^{

            self.scnView.scene = gameSim;

            self.scnView.delegate = gameSim;

            if (completionHandler)

                completionHandler();

        });

        [progress resignCurrent];

    });

}

@end