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/NFAuthTool/NFAuthClient/NaveNet/NFPacket.cpp

@@ -0,0 +1,82 @@
+#include "NFNet.h"
+#include "NFPacket.h"
+
+#include "GZip/zlib.h"
+#pragma comment(lib,"zlib.lib")
+
+namespace NaveNet { 
+
+	NFPacket::NFPacket()
+	{
+		Init();
+	}
+
+	NFPacket::~NFPacket()
+	{
+	}
+
+	VOID NFPacket::Init()
+	{
+		ZeroMemory(&m_Header, sizeof(PACKETHEADER));
+		ZeroMemory(m_Packet, sizeof(m_Packet));
+	}
+
+	int NFPacket::EncryptPacket()	
+	{ 
+		// üũ<C3BC><C5A9> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
+		// 1. <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> (<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> Ŀ<>ǵ<EFBFBD> <20><><EFBFBD><EFBFBD>.)
+		// 2. <20><>ȣȭ <20><> <20><><EFBFBD><EFBFBD>
+		// 3. üũ<C3BC><C5A9> <20><><EFBFBD><EFBFBD>.
+		m_Header.CheckSum = ((m_Header.Command+m_Header.Size+m_Packet[0]+m_Packet[1])^0xA6F69E23)^0x62F2EA02;
+
+		// <20><><EFBFBD><EFBFBD><EFBFBD> 100<30><30><EFBFBD><EFBFBD>Ʈ <20>̻<EFBFBD><CCBB≯<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>ϰ<EFBFBD> üũ<C3BC><C5A9> <20><><EFBFBD><EFBFBD>
+		if(m_Header.Size >= 100)
+		{
+			m_Header.CheckSum = m_Header.CheckSum|0xF0000000;
+			// <20><><EFBFBD><EFBFBD><EFBFBD>ϱ<EFBFBD>
+			// m_Header.Size <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+			uLongf destLen;
+			int srcLen = GetSize();
+			char srcBuff[DEF_PACKETSIZE];
+			memcpy(srcBuff, m_Packet, srcLen);
+			compress2((Bytef*)m_Packet, &destLen, (Bytef*)srcBuff, srcLen, 5);
+			m_Packet[destLen]=0;
+			SetSize((USHORT)destLen);
+		}
+		else 
+			m_Header.CheckSum = m_Header.CheckSum&0x0FFFFFFF;
+
+		return m_Header.Size;
+	}
+
+	VOID NFPacket::DecryptPacket()
+	{
+		if(m_Header.CheckSum&0xF0000000)
+		{
+			// <20><><EFBFBD><EFBFBD>Ǯ<EFBFBD><C7AE>
+			// m_Header.Size <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+			uLongf destLen;
+			int srcLen = GetSize();
+			char srcBuff[DEF_PACKETSIZE];
+			memcpy(srcBuff, m_Packet, srcLen);
+			uncompress((Bytef*)m_Packet, &destLen, (Bytef*)srcBuff, srcLen);
+			m_Packet[destLen]=0;
+			SetSize((USHORT)destLen);
+		}
+		// üũ<C3BC><C5A9> <20><><EFBFBD><EFBFBD>
+		m_Header.CheckSum = m_Header.CheckSum&0x0FFFFFFF;
+	}
+
+	BOOL NFPacket::IsAliveChecksum()	
+	{ 
+		DWORD CheckSum = ((m_Header.Command+m_Header.Size+m_Packet[0]+m_Packet[1])^0xA6F69E23)^0x62F2EA02;
+
+		CheckSum = CheckSum&0x0FFFFFFF;
+
+		if(m_Header.CheckSum == CheckSum)
+			return TRUE;
+
+		return FALSE; 
+	}
+
+}