应用程序开发之模仿史上最牛游戏（一）

- (void)setFullView:(NSString *)imageName
{
    _imageName = imageName;
    //重画
    [self setNeedsDisplay];
}

#pragma mark - 重画
- (void)drawRect:(CGRect)rect
{
    UIImage *image = [UIImage imageNamed:_imageName];
    
    if (!iPhone5) {
        //判断是iPhone4，剪图片
        CGRect cutFrame = CGRectMake(0, 88, 640, 960);
        CGImageRef imageRef = CGImageCreateWithImageInRect(image.CGImage, cutFrame);
        image = [UIImage imageWithCGImage:imageRef];
    }
    
    [image drawInRect:rect];
}

#define iPhone5 ([UIScreen mainScreen].bounds.size.height == 568)

- (void)viewDidLoad
{
    [super viewDidLoad];
    [self.view setFullView:@"home_bg.jpg"];
    
    NSString *path = [[NSBundle mainBundle]pathForResource:@"home" ofType:@"plist"];
    NSDictionary *dict1 = [NSDictionary dictionaryWithContentsOfFile:path];
    
    _btnFrames = dict1[iPhone5 ? @"iphone5" : @"iphone4"];
    
    btn_get_frame = CGRectFromString(_btnFrames[@"btn_get_frame"]);
    btn_language_frame = CGRectFromString(_btnFrames[@"btn_language_frame"]);
    btn_more_frame = CGRectFromString(_btnFrames[@"btn_more_frame"]);
    btn_play_frame = CGRectFromString(_btnFrames[@"btn_play_frame"]);
    btn_rank_frame = CGRectFromString(_btnFrames[@"btn_rank_frame"]);
    btn_setting_frame = CGRectFromString(_btnFrames[@"btn_setting_frame"]);
}

UITouch *touch = [touches anyObject];
CGPoint hitPoint = [touch locationInView:self.view];

    if (CGRectContainsPoint(btn_setting_frame, hitPoint)) {
        [[SoundManager sharedSoundManager] playSound:kClickSound];
        [self performSegueWithIdentifier:@"setting" sender:nil];
    } else if (CGRectContainsPoint(btn_play_frame, hitPoint)) {
        [[SoundManager sharedSoundManager] playSound:kClickSound];
        [self performSegueWithIdentifier:@"stages" sender:nil];
    }

[self.navigationController popViewControllerAnimated:NO];

#pragma mark -初始化方法
- (id)init
{
    if (self = [super init]) {
        //加载音乐
        [self loadMusic];
        
        //加载音效
        [self loadSound];
    }
    
    return self;
}

- (void)loadMusic
{
    //3.1解档并且给静音设置状态
    _musicMuted = [[NSUserDefaults standardUserDefaults] boolForKey:kMusicMuted];
    
    NSURL *url = [[NSBundle mainBundle]URLForResource:@"bg_music.mp3" withExtension:nil];
    
    _btMusicPlay = [[AVAudioPlayer alloc]initWithContentsOfURL:url error:nil];
    [_btMusicPlay prepareToPlay];
    [_btMusicPlay setNumberOfLoops:-1];
}

- (void)playMusic
{
    //4.2如果静音状态，直接返回
    if (_musicMuted) return;
    [_btMusicPlay play];
}

- (void)loadSound
{
    //3.2解档并且给静音设置状态
    _soundMuted = [[NSUserDefaults standardUserDefaults] boolForKey:kSoundMuted];
    
    _soundIDs = [NSMutableDictionary dictionary];
    
    NSURL *bundleUrl = [[NSBundle mainBundle]URLForResource:@"sounds" withExtension:@"bundle"];
    NSBundle *soundsBundle = [NSBundle bundleWithURL:bundleUrl];
    //获得所有的URl
    NSArray *urlArray = [soundsBundle URLsForResourcesWithExtension:@"mp3" subdirectory:nil];
    
    for (NSURL *url in urlArray) {
        SystemSoundID soundID;
        AudioServicesCreateSystemSoundID((__bridge CFURLRef)(url), &soundID);
        NSString *fileName = [url.path lastPathComponent];
        [_soundIDs setObject:@(soundID) forKey:fileName];
    }
} 

- (void)playSound:(NSString*)soundName
{
    //4.1如果静音状态，直接返回
    if (_soundMuted) return;
    
    AudioServicesPlaySystemSound([_soundIDs[soundName]unsignedLongValue]);
} 

#define singleton_interface(className) + (className*)shared##className;

#define singeton_implementation(className) static className *_instance; + (id)allocWithZone:(struct _NSZone *)zone {     static dispatch_once_t onceToken;     dispatch_once(&onceToken, ^{         _instance = [super allocWithZone:zone];     });     return _instance; } + (className*)shared##className {     static dispatch_once_t onceToken;     dispatch_once(&onceToken, ^{         _instance = [[self alloc] init];     });     return _instance; }

singleton_interface(SoundManager)

singeton_implementation(SoundManager)

//1.1设置属性
@property (nonatomic, assign) BOOL musicMuted;
//1.2设置属性
@property (nonatomic, assign) BOOL soundMuted;

#pragma mark - 重写两个BOOL属性的set方法
- (void)setMusicMuted:(BOOL)musicMuted
{
    //2.1保存状态，切归档
    _musicMuted = musicMuted;
    
    [[NSUserDefaults standardUserDefaults] setBool:_musicMuted forKey:kMusicMuted];
    [[NSUserDefaults standardUserDefaults] synchronize];
    
    if (_musicMuted) {
        [_btMusicPlay pause];
    } else {
        [_btMusicPlay play];
    }
}
- (void)setSoundMuted:(BOOL)soundMuted
{
    //2.2保存状态，切归档
    _soundMuted = soundMuted;
    
    [[NSUserDefaults standardUserDefaults] setBool:_soundMuted forKey:kSoundMuted];
    [[NSUserDefaults standardUserDefaults] synchronize];
}

_musicMuted = [[NSUserDefaults standardUserDefaults] boolForKey:kMusicMuted];

_soundMuted = [[NSUserDefaults standardUserDefaults] boolForKey:kSoundMuted];

- (IBAction)musicSwitch:(UIButton *)sender {
    //5.1这里判断音乐开关，切改变状态
    SoundManager *sound = [SoundManager sharedSoundManager];
    [sound playSound:kClickSound];
    int music = sound.musicMuted;
    [sender setTitle:music ? @"音乐 ［开］" : @"音乐 ［关］" forState:UIControlStateNormal];
    sound.musicMuted = !music;
}

- (IBAction)soundSwitch:(UIButton *)sender {
    //5.2这里判断音乐开关，切改变状态
    SoundManager *sound = [SoundManager sharedSoundManager];
    int sounds = sound.soundMuted;
    [sender setTitle:sounds ? @"音效 ［开］" : @"音效 ［关］" forState:UIControlStateNormal];
    sound.soundMuted = !sounds;
    [sound playSound:kClickSound];
} 

#pragma mark -播放音效
- (void)playSound:(NSString*)soundName
{
    //4.1如果静音状态，直接返回
    if (_soundMuted) return;
    
    AudioServicesPlaySystemSound([_soundIDs[soundName]unsignedLongValue]);
}
- (void)playMusic
{
    //4.2如果静音状态，直接返回
    if (_musicMuted) return;
    [_btMusicPlay play];
}