Restructure repository to include all source folders

Move git root from Client/ to src/ to track all source code:
- Client: Game client source (moved to Client/Client/)
- Server: Game server source
- GameTools: Development tools
- CryptoSource: Encryption utilities
- database: Database scripts
- Script: Game scripts
- rylCoder_16.02.2008_src: Legacy coder tools
- GMFont, Game: Additional resources

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Server/RylServerProject/RylServerLibrary/Network/ClientNetwork/EventHandler.h

@@ -0,0 +1,49 @@
+#ifndef _GAMA_CLIENT_EVENT_HANDLER_H_
+#define _GAMA_CLIENT_EVENT_HANDLER_H_
+
+namespace ClientNet
+{
+    // forward decl.
+    class CSession;
+    class CNetworkMsgBlock;
+    
+    class CEventHandler
+    {
+    public:
+
+        CEventHandler(DWORD dwTimeoutSec = 1) 
+			:	m_dwTimeoutSec(dwTimeoutSec), m_dwLastCalled(0) 
+		{ 
+		
+		}
+
+        virtual ~CEventHandler() { }
+        
+        virtual int OnReceived(CNetworkMsgBlock& msg_block) = 0;        // 패킷을 받았을 때 불린다.
+
+        virtual int OnOpen(CSession& ConnSession, int iErrorCode) = 0;  // 연결이 완료되었을 때 불린다. (성공/실패. UDP는 해당 없음)
+        virtual int OnClose(CSession& CloseSession) = 0;                // 연결이 끝났을 때 불린다.  (UDP는 해당 없음)
+        virtual int OnDispatch(CSession& ReceivedSession) = 0;          // 메시지를 처리할 때 불린다.
+
+        virtual int OnTimeout(CSession& Session) = 0;                   // 지정 시간이 지나면 호출된다. 기본은 매초마다 불린다.
+
+        bool IsTimeout(DWORD dwCurrentTime) const 
+		{
+			return (0 == m_dwLastCalled) || 
+				(m_dwLastCalled + (m_dwTimeoutSec * 1000) < dwCurrentTime);
+		}
+
+        void UpdateTimeoutCalled(DWORD dwCurrentTime) 
+		{
+			m_dwLastCalled = dwCurrentTime; 		
+			if (0 == m_dwLastCalled) { ++m_dwLastCalled; }
+		}
+
+    protected:
+
+        DWORD   m_dwTimeoutSec;
+        DWORD   m_dwLastCalled;
+    };
+};
+
+#endif