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>

Library/dxx8/samples/Multimedia/DirectShow/Players/Texture3D/dxutil.cpp

@@ -0,0 +1,91 @@
+//-----------------------------------------------------------------------------
+// File: DXUtil.cpp
+//
+// Desc: Shortcut macros and functions for using DX objects
+//
+//
+// Copyright (c) 1997-2001 Microsoft Corporation. All rights reserved
+//-----------------------------------------------------------------------------
+#define STRICT
+#include <windows.h>
+#include <mmsystem.h>
+#include <tchar.h>
+#include <stdio.h> 
+#include <stdarg.h>
+#include "DXUtil.h"
+
+
+
+
+//-----------------------------------------------------------------------------
+// Name: DXUtil_GetDXSDKMediaPath()
+// Desc: Returns the DirectX SDK media path
+//-----------------------------------------------------------------------------
+const TCHAR* DXUtil_GetDXSDKMediaPath()
+{
+    static TCHAR strNull[2] = _T("");
+    static TCHAR strPath[MAX_PATH];
+    DWORD dwType;
+    DWORD dwSize = MAX_PATH;
+    HKEY  hKey;
+
+    // Open the appropriate registry key
+    LONG lResult = RegOpenKeyEx( HKEY_LOCAL_MACHINE,
+                                _T("Software\\Microsoft\\DirectX SDK"),
+                                0, KEY_READ, &hKey );
+    if( ERROR_SUCCESS != lResult )
+        return strNull;
+
+    lResult = RegQueryValueEx( hKey, _T("DX81SDK Samples Path"), NULL,
+                              &dwType, (BYTE*)strPath, &dwSize );
+    RegCloseKey( hKey );
+
+    if( ERROR_SUCCESS != lResult )
+        return strNull;
+
+    _tcscat( strPath, _T("\\Media\\") );
+
+    return strPath;
+}
+
+
+
+
+//-----------------------------------------------------------------------------
+// Name: DXUtil_FindMediaFile()
+// Desc: Returns a valid path to a DXSDK media file
+//-----------------------------------------------------------------------------
+HRESULT DXUtil_FindMediaFile( TCHAR* strPath, TCHAR* strFilename )
+{
+    HANDLE file;
+
+    if( NULL==strFilename || NULL==strPath )
+        return E_INVALIDARG;
+
+    // Check if the file exists in the current directory
+    _tcscpy( strPath, strFilename );
+
+    file = CreateFile( strPath, GENERIC_READ, FILE_SHARE_READ, NULL, 
+                       OPEN_EXISTING, 0, NULL );
+    if( INVALID_HANDLE_VALUE != file )
+    {
+        CloseHandle( file );
+        return S_OK;
+    }
+    
+    // Check if the file exists in the current directory
+    _stprintf( strPath, _T("%s%s"), DXUtil_GetDXSDKMediaPath(), strFilename );
+
+    file = CreateFile( strPath, GENERIC_READ, FILE_SHARE_READ, NULL, 
+                       OPEN_EXISTING, 0, NULL );
+    if( INVALID_HANDLE_VALUE != file )
+    {
+        CloseHandle( file );
+        return S_OK;
+    }
+
+    // On failure, just return the file as the path
+    _tcscpy( strPath, strFilename );
+    return E_FAIL;
+}
+