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>

Engine/Zalla3D Scene Class/Z3DMaskedStream.cpp

@@ -0,0 +1,136 @@
+// Z3DMaskedStream.cpp: implementation of the CZ3DMaskedStream class.
+//
+//////////////////////////////////////////////////////////////////////
+
+#include "Z3DMaskedStream.h"
+#include "GMMemory.h"
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+CZ3DMaskedStream::CZ3DMaskedStream()
+{
+	m_szFileName = NULL;
+	m_pFile = NULL;
+	m_szMaskString = NULL;
+	m_lMaskStringLength = 0;
+	m_lPointerInMask = 0;
+}
+
+CZ3DMaskedStream::~CZ3DMaskedStream()
+{
+	Reset();
+}
+
+
+void CZ3DMaskedStream::Reset()
+{
+	if( m_pFile )
+	{
+		fclose( m_pFile );
+		m_pFile = NULL;
+	}
+
+	SAFE_DELETEA( m_szFileName );
+	SAFE_DELETEA( m_szMaskString );
+	m_lMaskStringLength = 0;
+	m_lPointerInMask = 0;
+}
+
+
+bool CZ3DMaskedStream::Open( const char* szFileName, const char* szMaskString )
+{
+	Reset();
+
+	if( NULL ==  (m_pFile = fopen( szFileName, "wb" )) )
+	{
+		return false;
+	}
+
+	m_szFileName = new char[strlen(szFileName) + 1];
+	strcpy( m_szFileName, szFileName );
+
+	SetMaskString( szMaskString );
+	
+	return true;
+}
+
+
+void CZ3DMaskedStream::Printf( char* szTypes, ... )
+{
+	if( NULL == m_pFile )
+	{
+		return;	// file not opened
+	}
+
+	const long MAX_STRING_SIZE = 300;
+
+	char szTmp[MAX_STRING_SIZE];
+	va_list vl;
+	
+	long l = 0;
+	va_start( vl, szTypes );
+	l = _vsnprintf( szTmp, MAX_STRING_SIZE, szTypes, vl );
+	va_end( vl );
+
+	if( l < 0 )
+	{
+		return;	// _vsnprintf() error
+	}
+
+	for( int i = 0; i < l; ++i )
+	{
+		if( '\n' == szTmp[i] )
+		{
+			// handle 'new line' char.
+			fputc( 0x0D ^ GetMaskChar(), m_pFile );
+			fputc( 0x0A ^ GetMaskChar(), m_pFile );
+		}
+		else
+		{
+			fputc( szTmp[i] ^ GetMaskChar(), m_pFile );
+		}
+	}
+}
+
+
+void CZ3DMaskedStream::SetMaskString( const char* szString )
+{
+	m_lPointerInMask = 0;
+
+	if( m_szMaskString )
+	{
+		SAFE_DELETEA( m_szMaskString )
+	}
+	if( NULL == szString )
+	{
+		m_lMaskStringLength = 0;
+		return;
+	}
+
+	m_lMaskStringLength = strlen(szString);
+
+	m_szMaskString = new char[m_lMaskStringLength+1];
+	strcpy( m_szMaskString, szString );
+
+	int iLen = strlen(m_szMaskString);
+	for(int k = 0; k < iLen; ++k)
+	{
+		m_szMaskString[k] = m_szMaskString[k]^0xc8;
+	}
+}
+
+
+char CZ3DMaskedStream::GetMaskChar()
+{
+	if( NULL == m_szMaskString )
+	{
+		return 0;
+	}
+
+	long l = m_lPointerInMask;
+	m_lPointerInMask = ( m_lPointerInMask + 1 ) % m_lMaskStringLength;
+		
+	return m_szMaskString[l];
+}