iOSCocos2dx封装为view方便做3D动画效果

Posted 2022-12-13 yofer张耀琦

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写在前面

本文件只是将Cocos2dx 封装为一个 UIView，方便直接添加使用

使用的 coco2d-x 版本为 3.13.1

添加过程

首先将 ~/cocos2d/build/cocos2d_lib.xcodeproj 添加到工程中

然后对照new出来的工程，修改配置：

然后添加两个 Header Search Paths，同样对照样本工程

设置TARGETS中Header Search Paths

PROJECT中设置Header Search Paths，相对路径

设置预处理的宏定义，Debug和Release

修改Custom Compiler Flags

至此，不出意外编译可以成功了。

设置view

然后在CocosViewController（我自己建立的测试界面）中设置弹出HelloWorld界面，HelloWorld界面的两个类 AppDelegate 和 HelloWorldScene要添加到工程中。

注意这个文件是C++混编，所以 CocosViewController.m 文件要改后缀为 CocosViewController.mm

#import "CocosViewController.h"

#import "CocosAppDelegate.h"
#import "platform/ios/CCEAGLView-ios.h"
#import "platform/ios/CCDirectorCaller-ios.h"

// cocos2d application instance
static CocosAppDelegate s_sharedApplication;

@interface CocosViewController ()

@property (weak, nonatomic) UIView *blackView;
@property (weak, nonatomic) CCEAGLView *eaglView;

@end

@implementation CocosViewController

- (void)viewDidLoad 
    [super viewDidLoad];
    // Do any additional setup after loading the view.

    self.view.backgroundColor = [UIColor whiteColor];
    [self drawButton];




#pragma mark - 绘制按钮
- (void)drawButton

    UIButton *cocoaButton = [[UIButton alloc] initWithFrame:CGRectMake(0, 70, 80, 50)];
    [cocoaButton setTitle:@"动画开关" forState:UIControlStateNormal];
    [cocoaButton setTitleColor:[UIColor blueColor] forState:UIControlStateNormal];
    [cocoaButton addTarget:self action:@selector(presentCocosView) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:cocoaButton];



- (void)presentView

    if (self.blackView) 
        [self.blackView removeFromSuperview];
        self.blackView = nil;
     else 
        UIView *view = [[UIView alloc] initWithFrame:CGRectMake(50, 120, [UIScreen mainScreen].bounds.size.width / 2.0, [UIScreen mainScreen].bounds.size.height / 2.0)];
        [view setBackgroundColor:[UIColor blackColor]];
        [self.view addSubview:view];

        self.blackView = view;
    


- (void)presentCocosView

    if (self.eaglView) 
        [self destroyCocosView];
     else 
        [self addCocosView];
    


- (void)addCocosView

    cocos2d::Application *app = cocos2d::Application::getInstance();

    // Initialize the GLView attributes
    app->initGLContextAttrs();
    cocos2d::GLViewImpl::convertAttrs();

    // Initialize the CCEAGLView
    CCEAGLView *eaglView = [CCEAGLView viewWithFrame: CGRectMake(0, 120, [UIScreen mainScreen].bounds.size.width, [UIScreen mainScreen].bounds.size.height * 0.8)
                                         pixelFormat: (__bridge NSString *)cocos2d::GLViewImpl::_pixelFormat
                                         depthFormat: cocos2d::GLViewImpl::_depthFormat
                                  preserveBackbuffer: NO
                                          sharegroup: nil
                                       multiSampling: NO
                                     numberOfSamples: 0 ];

    // Enable or disable multiple touches
    [eaglView setMultipleTouchEnabled:NO];

    // Set EAGLView as view of RootViewController
    //    self.view = eaglView;
    [self.view addSubview:eaglView];
    self.eaglView = eaglView;

    cocos2d::GLView *glview = cocos2d::GLViewImpl::createWithEAGLView((__bridge void *)eaglView);

    //set the GLView as OpenGLView of the Director
    cocos2d::Director::getInstance()->setOpenGLView(glview);


    //run the cocos2d-x game scene
    app->run();


- (void)destroyCocosView

    //    cocos2d::Director::getInstance()->getTextureCache()
    cocos2d::PoolManager::destroyInstance();
    cocos2d::Director::getInstance()->purgeCachedData();
    cocos2d::Director::getInstance()->purgeDirector();

    [CCDirectorCaller destroy];



- (void)didReceiveMemoryWarning 
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.


@end

此时就可以重复开启关闭cocos动画界面了。

释放cocos单例

检查单例

这里先对所有的cocos2dx中的单例进行检查，主要是想用Director销毁其他的单例，经过检查的结果也证明了王哲说的：用Director来管理项目中的单例，具体释放在上面的 destroyCocosView 方法中。即为：

- (void)destroyCocosView

    //    cocos2d::Director::getInstance()->getTextureCache()
    cocos2d::PoolManager::destroyInstance();
    cocos2d::Director::getInstance()->purgeCachedData();
    cocos2d::Director::getInstance()->purgeDirector();

    [CCDirectorCaller destroy];

下面为检查结果表格：

单例	是否被cocostudio释放	启动时是否被实例化
ArmatureNodeReader::destroyInstance()	是	否
ButtonReader::destroyInstance()	是	否
ActionManagerEx::destroyInstance()	是	CCActionNode 和 CCSGUIReader
BoneNodeReader::destroyInstance()	否	否
ActionTimelineCache::destroyInstance()	CSLoader销毁时会调用这个销毁	CSLoader
Animation3DCache::destroyInstance()	否	否
AnimationCache::destroyInstance()	是	CCNodelLoader 和 CCSprite
ScriptEngineManager::destroyInstance()	否	有一堆类用到这个实例，但没有被销毁，但可以用Application销毁
PoolManager::destroyInstance()	否	同上
ArmatureDataManager::destroyInstance()	是	否
AsyncTaskPool::destroyInstance()	是	其他3个类有用到
Configuration::destroyInstance()	是	二十几个类用到
FileUtils::destroyInstance()	是
GLProgramCache::destroyInstance()	是
GLProgramStateCache::destroyInstance()	是
NodeLoaderLibrary::destroyInstance()	否	否
__NotificationCenter::destroyInstance()	否	否
GUIReader::destroyInstance()	是	十几个类调用
Sprite3DCache::getInstance()	否	自己调用
Sprite3DMaterialCache::destroyInstance()	否
SpriteFrameCache::destroyInstance()	是
SceneReader::destroyInstance()	是
DictionaryHelper::destroyInstance()	是
UserDefault::destroyInstance()	是
CheckBoxReader::destroyInstance()	是
NodeReader::destroyInstance()	是
SingleNodeReader::destroyInstance()	是
SpriteReader::destroyInstance()	是
ParticleReader::destroyInstance()	是
GameMapReader::destroyInstance()	是
ProjectNodeReader::destroyInstance()	是
ComAudioReader::destroyInstance()	是
WidgetReader::destroyInstance()	是
CheckBoxReader::destroyInstance()	是
ImageViewReader::destroyInstance()	是
TextBMFontReader::destroyInstance()	是
TextReader::destroyInstance()	是
TextFieldReader::destroyInstance()	是
TextAtlasReader::destroyInstance()	是
LoadingBarReader::destroyInstance()	是
SliderReader::destroyInstance()	是
LayoutReader::destroyInstance()	是
ScrollViewReader::destroyInstance()	是
PageViewReader::destroyInstance()	是
ListViewReader::destroyInstance()	是
Node3DReader::destroyInstance()	是
Sprite3DReader::destroyInstance()	是
UserCameraReader::destroyInstance()	是
Particle3DReader::destroyInstance()	是
CSLoader::destroyInstance()	是
FlatBuffersSerialize::destroyInstance()	否	一堆调用这个
GameNode3DReader::destroyInstance()	否	否
HttpClient::destroyInstance()	否	否
Light3DReader::destroyInstance()	否	否
JsonLocalizationManager::destroyInstance()	否	否
BinLocalizationManager::destroyInstance()	否	否
ObjectFactory::destroyInstance()	否	是
SkeletonNodeReader::destroyInstance()	否	否
SocketIO::destroyInstance()	否	否
TabControlReader::destroyInstance()	否	否
TabHeaderReader::destroyInstance()	否	否
TabItemReader::destroyInstance()	否	否
TriggerMng::destroyInstance()	是