issue #528, improve CCScriptEngineManager. AppDelegate should hold the whole lifecycle of LuaEngine object.

HelloLua/Classes/AppDelegate.cpp

@@ -1,17 +1,18 @@
 #include "AppDelegate.h"
-#include "LuaEngine.h"
 
 #include "cocos2d.h"
 
 USING_NS_CC;
 
 AppDelegate::AppDelegate()
+:m_pLuaEngine(NULL)
 {
-
 }
 
 AppDelegate::~AppDelegate()
 {
+    CCScriptEngineManager::sharedScriptEngineManager()->removeScriptEngine();
+    CC_SAFE_DELETE(m_pLuaEngine);
 }
 
 bool AppDelegate::initInstance()
@@ -84,10 +85,10 @@ bool AppDelegate::applicationDidFinishLaunching()
 	pDirector->setAnimationInterval(1.0 / 60);
 
 	// register lua engine
-	CCScriptEngineManager::sharedScriptEngineManager()->registerScriptEngine(new LuaEngine());
+    m_pLuaEngine = new LuaEngine; 
+	CCScriptEngineManager::sharedScriptEngineManager()->setScriptEngine(m_pLuaEngine);
 
 #if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
-        CCLog("1");
 	unsigned long size;
 	char *pFileContent = (char*)CCFileUtils::getFileData("hello.lua", "r", &size);
 

HelloLua/Classes/AppDelegate.h

@@ -2,6 +2,7 @@
 #define  _APP_DELEGATE_H_
 
 #include "CCApplication.h"
+#include "LuaEngine.h"
 
 /**
 @brief	The cocos2d Application.
@@ -37,6 +38,9 @@ public:
     @param  the pointer of the application
     */
     virtual void applicationWillEnterForeground();
+
+private:
+    LuaEngine* m_pLuaEngine;
 };
 
 #endif // _APP_DELEGATE_H_

cocos2dx/include/CCScriptSupport.h

@@ -65,18 +65,24 @@ public:
 	virtual bool executeSchedule(const char* pszFuncName, ccTime t) = 0;
 };
 
+/**
+ CCScriptEngineManager is a singleton which holds an object instance of CCScriptEngineProtocl
+ It helps cocos2d-x and the user code to find back LuaEngine object
+ @since v0.99.5-x-0.8.5
+ */
 class CC_DLL CCScriptEngineManager
 {
 public:
-	CCScriptEngineManager();
-	virtual ~CCScriptEngineManager();
+    static CCScriptEngineManager* sharedScriptEngineManager();
     
-	void registerScriptEngine(CCScriptEngineProtocol *pScriptEngine);
+	void setScriptEngine(CCScriptEngineProtocol *pScriptEngine);
 	CCScriptEngineProtocol* getScriptEngine();
-
-	static CCScriptEngineManager* sharedScriptEngineManager();
+    void removeScriptEngine();
     
 private:
+    CCScriptEngineManager();
+	virtual ~CCScriptEngineManager();
+    
 	CCScriptEngineProtocol *m_pScriptEngine;
 };
 

cocos2dx/script_support/CCScriptSupport.cpp

@@ -25,14 +25,17 @@ THE SOFTWARE.
 
 NS_CC_BEGIN;
 
-CCScriptEngineManager::CCScriptEngineManager() : m_pScriptEngine(NULL) {}
+CCScriptEngineManager::CCScriptEngineManager() 
+:m_pScriptEngine(NULL) 
+{
+}
 
 CCScriptEngineManager::~CCScriptEngineManager() 
 {
-	CC_SAFE_DELETE(m_pScriptEngine);
+    m_pScriptEngine = NULL;
 }
 
-void CCScriptEngineManager::registerScriptEngine(CCScriptEngineProtocol *pScriptEngine)
+void CCScriptEngineManager::setScriptEngine(CCScriptEngineProtocol *pScriptEngine)
 {
 	this->m_pScriptEngine = pScriptEngine;
 }
@@ -42,6 +45,11 @@ CCScriptEngineProtocol* CCScriptEngineManager::getScriptEngine()
 	return m_pScriptEngine;
 }
 
+void CCScriptEngineManager::removeScriptEngine()
+{
+    this->m_pScriptEngine = NULL;
+}
+
 CCScriptEngineManager* CCScriptEngineManager::sharedScriptEngineManager()
 {
 	static CCScriptEngineManager scriptEngineManager;