Initial commit: ROW Client source code

Game client codebase including:
- CharacterActionControl: Character and creature management
- GlobalScript: Network, items, skills, quests, utilities
- RYLClient: Main client application with GUI and event handlers
- Engine: 3D rendering engine (RYLGL)
- MemoryManager: Custom memory allocation
- Library: Third-party dependencies (DirectX, boost, etc.)
- Tools: Development utilities

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

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

Tools/ZipArchive/Include/ZipMemFile.h

@@ -0,0 +1,107 @@
+////////////////////////////////////////////////////////////////////////////////
+// $Workfile: ZipMemFile.h $
+// $Archive: /ZipArchive/ZipMemFile.h $
+// $Date: 21-01-04 19:01 $ $Author: Tadeusz Dracz $
+////////////////////////////////////////////////////////////////////////////////
+// This source file is part of the ZipArchive library source distribution and
+// is Copyright 2000-2004 by Tadeusz Dracz (http://www.artpol-software.com/)
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+// 
+// For the licensing details see the file License.txt
+////////////////////////////////////////////////////////////////////////////////
+
+/**
+* \file ZipMemFile.h
+* Interface for the CZipMemFile class.
+*
+*/
+#if !defined(AFX_ZIPMEMFILE_H__EA73AB25_6B51_4C5E_8D78_BAC95812598F__INCLUDED_)
+#define AFX_ZIPMEMFILE_H__EA73AB25_6B51_4C5E_8D78_BAC95812598F__INCLUDED_
+
+#if _MSC_VER > 1000
+#pragma once
+#endif // _MSC_VER > 1000
+#include "ZipAbstractFile.h"
+#include "ZipString.h"
+#include "ZipExport.h"
+
+/**
+	A memory buffer which behaves like a physical file.
+	Automatically grows when necessary
+*/
+class ZIP_API CZipMemFile : public CZipAbstractFile
+{
+protected:
+	size_t m_nGrowBy, m_nPos;
+	size_t m_nBufSize, m_nDataSize;
+	BYTE* m_lpBuf;
+	bool m_bAutoDelete;
+	void Free()
+	{
+		if (m_lpBuf)
+		{
+			free(m_lpBuf);
+			m_lpBuf = NULL;
+		}
+	}
+	void Init()
+	{
+		m_nGrowBy = m_nPos = 0;
+		m_nBufSize = m_nDataSize = 0;
+		m_lpBuf = NULL;
+
+	}
+	void Grow(size_t nBytes);
+public:
+	bool IsClosed() const { return m_lpBuf == NULL;}
+	void Flush(){}
+
+	ZIP_ULONGLONG Seek(ZIP_LONGLONG lOff, int nFrom);
+	ZIP_ULONGLONG GetLength() const {return m_nDataSize;}
+	void Write(const void* lpBuf, UINT nCount);
+	UINT Read(void* lpBuf, UINT nCount);
+	void SetLength(ZIP_ULONGLONG nNewLen);
+	CZipString GetFilePath() const  {return _T("");} 	
+	CZipMemFile(long nGrowBy = 1024)
+	{
+		Init();
+		m_nGrowBy = nGrowBy;
+		m_bAutoDelete = true;
+	}
+
+	CZipMemFile(BYTE* lpBuf, UINT nBufSize, long nGrowBy = 0)
+	{
+		Init();
+		Attach(lpBuf, nBufSize, nGrowBy);
+	}
+	ZIP_ULONGLONG GetPosition() const {	return m_nPos;}
+	void Attach(BYTE* lpBuf, UINT nBufSize, long nGrowBy = 0)
+	{
+		Close();
+		m_lpBuf = lpBuf;
+		m_nGrowBy = nGrowBy;
+		m_nBufSize = nBufSize;
+		m_nDataSize = nGrowBy == 0 ? nBufSize : 0;
+		m_bAutoDelete = false;
+	}
+	BYTE* Detach()
+	{
+		BYTE* b = m_lpBuf;
+		Init();
+		return b;
+	}
+	void Close()
+	{
+		if (m_bAutoDelete)
+			Free();
+		Init();
+	}
+	virtual ~CZipMemFile(){Close();}
+
+};
+
+#endif // !defined(AFX_ZIPMEMFILE_H__EA73AB25_6B51_4C5E_8D78_BAC95812598F__INCLUDED_)