【COCOS2DX-LUA 脚本开发之十二】Hybrid模式-利用AssetsManager实现在线更新脚本文件lua、js、图片等资源（免去平台审核周期）

 1 #include "cocos2d.h"
 2 #include "AssetsManager.h"
 3 #include "cocos-ext.h"
 4 using namespace std;
 5 using namespace cocos2d;
 6 using namespace extension;
 7  
 8 #if (CC_TARGET_PLATFORM != CC_PLATFORM_WIN32)
 9 #include <dirent.h>
10 #include <sys/stat.h>
11 #endif

1 void updateFiles();
2 void createDownDir();
3 string pathToSave;

 1 static AssetsManager* pAssetsManager;
 2  
 3 void AppDelegate::updateFiles(){
 4     createDownDir();
 5  
 6     pAssetsManager = new AssetsManager("https://raw.github.com/HimiGame/himigame/master/hello.zip", "https://raw.github.com/HimiGame/himigame/master/version");
 7  
 8     if(pAssetsManager->checkUpdate()){
 9         if( pAssetsManager->update() ){//改源码
10  
11             CCLuaEngine* pEngine = CCLuaEngine::defaultEngine();
12             CCScriptEngineManager::sharedManager()->setScriptEngine(pEngine);
13  
14             //首先添加下载文件的目录
15             pEngine->addSearchPath(pathToSave.c_str());
16  
17             //继续添加本地hello2的路径到CCLuaEngine中
18             string path = CCFileUtils::sharedFileUtils()->fullPathForFilename("hello2.lua");
19             pEngine->addSearchPath(path.substr(0, path.find_last_of("/")).c_str());
20  
21             //运行下载文件hello.lua
22             string runLua = CCFileUtils::sharedFileUtils()->fullPathForFilename("hello.lua");
23             pEngine->executeScriptFile(runLua.c_str());
24  
25         }
26     }
27 }
28  
29 void AppDelegate::createDownDir(){
30     pathToSave = CCFileUtils::sharedFileUtils()->getWritablePath();
31     pathToSave += "Himi";
32  
33     // Create the folder if it doesn‘t exist
34 #if (CC_TARGET_PLATFORM != CC_PLATFORM_WIN32)
35     DIR *pDir = NULL;
36  
37     pDir = opendir (pathToSave.c_str());
38     if (! pDir)
39     {
40         mkdir(pathToSave.c_str(), S_IRWXU | S_IRWXG | S_IRWXO);
41     }
42 #else
43     if ((GetFileAttributesA(pathToSave.c_str())) == INVALID_FILE_ATTRIBUTES)
44     {
45         CreateDirectoryA(pathToSave.c_str(), 0);
46     }
47 #endif
48  
49 }

1  AssetsManager::AssetsManager(const char* packageUrl, const char* versionFileUrl)
2  
3  AssetsManager::AssetsManager(const char* packageUrl, const char* versionFileUrl, const char* storagePath)

1 virtual void update();
2  
3 修改成如下：
4  
5 virtual bool update();

 1 修改为：
 2  
 3 bool AssetsManager::update()
 4 {
 5     // 1. Urls of package and version should be valid;
 6     // 2. Package should be a zip file.
 7     if (_versionFileUrl.size() == 0 ||
 8         _packageUrl.size() == 0 ||
 9         std::string::npos == _packageUrl.find(".zip"))
10     {
11         CCLOG("no version file url, or no package url, or the package is not a zip file");
12         return false;
13     }
14  
15     // Check if there is a new version.
16     if (! checkUpdate()) return false;
17  
18     // Is package already downloaded?
19     string downloadedVersion = CCUserDefault::sharedUserDefault()->getStringForKey(KEY_OF_DOWNLOADED_VERSION);
20     if (downloadedVersion != _version)
21     {
22         if (! downLoad()) return false;
23  
24         // Record downloaded version.
25         CCUserDefault::sharedUserDefault()->setStringForKey(KEY_OF_DOWNLOADED_VERSION, _version.c_str());
26         CCUserDefault::sharedUserDefault()->flush();
27     }
28  
29     // Uncompress zip file.
30     if (! uncompress()) return false;
31  
32     // Record new version code.
33     CCUserDefault::sharedUserDefault()->setStringForKey(KEY_OF_VERSION, _version.c_str());
34  
35     // Unrecord downloaded version code.
36     CCUserDefault::sharedUserDefault()->setStringForKey(KEY_OF_DOWNLOADED_VERSION, "");
37  
38     CCUserDefault::sharedUserDefault()->flush();
39  
40     // Set resource search path.
41     setSearchPath();
42  
43     // Delete unloaded zip file.
44     string zipfileName = _storagePath + TEMP_PACKAGE_FILE_NAME;
45     if (remove(zipfileName.c_str()) != 0)
46     {
47         CCLOG("can not remove downloaded zip file");
48     }
49     return true;
50 }

 1 CCLuaEngine* pEngine = CCLuaEngine::defaultEngine();
 2 CCScriptEngineManager::sharedManager()->setScriptEngine(pEngine);
 3  
 4 //首先添加下载文件的目录
 5 pEngine->addSearchPath(pathToSave.c_str());
 6  
 7 //继续添加本地hello2的路径到CCLuaEngine中
 8 string path = CCFileUtils::sharedFileUtils()->fullPathForFilename("hello2.lua");
 9 pEngine->addSearchPath(path.substr(0, path.find_last_of("/")).c_str());
10  
11 //运行下载文件hello.lua
12 string runLua = CCFileUtils::sharedFileUtils()->fullPathForFilename("hello.lua");
13 pEngine->executeScriptFile(runLua.c_str());
14  
15 
16  

1 //运行下载文件hello.lua
2             string runLua = CCFileUtils::sharedFileUtils()->fullPathForFilename("hello.lua");
3             pEngine->executeScriptFile(runLua.c_str());

 1 bool AppDelegate::applicationDidFinishLaunching()
 2 {
 3     // initialize director
 4     CCDirector *pDirector = CCDirector::sharedDirector();
 5     pDirector->setOpenGLView(CCEGLView::sharedOpenGLView());
 6  
 7     // turn on display FPS
 8     pDirector->setDisplayStats(true);
 9  
10     // set FPS. the default value is 1.0/60 if you don‘t call this
11     pDirector->setAnimationInterval(1.0 / 60);
12  
13     // register lua engine
14 //    CCLuaEngine* pEngine = CCLuaEngine::defaultEngine();
15 //    CCScriptEngineManager::sharedManager()->setScriptEngine(pEngine);
16 //
17 //#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
18 //    CCString* pstrFileContent = CCString::createWithContentsOfFile("hello.lua");
19 //    if (pstrFileContent)
20 //    {
21 //        pEngine->executeString(pstrFileContent->getCString());
22 //    }
23 //#else
24 //    std::string path = CCFileUtils::sharedFileUtils()->fullPathForFilename("hello.lua");
25 //    pEngine->addSearchPath(path.substr(0, path.find_last_of("/")).c_str());
26 //    pEngine->executeScriptFile(path.c_str());
27 //#endif
28  
29     //删除hello.lua
30     pathToSave="";
31     updateFiles();
32  
33     return true;
34 }