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/Common/mfcutil.h

@@ -0,0 +1,58 @@
+//------------------------------------------------------------------------------
+// File: MFCUtil.h
+//
+// Desc: DirectShow sample code - prototypes for utility functions
+//       used by MFC applications.
+//
+// Copyright (c) 2000-2001 Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------------------------
+
+//
+// Application-defined messages
+//
+#define WM_GRAPHNOTIFY  WM_APP + 1
+
+#ifndef SAFE_RELEASE
+#define SAFE_RELEASE(x)  if(x) {x->Release(); x=0;}
+#endif
+
+#define JIF(x) if (FAILED(hr=(x))) \
+    {RetailOutput(TEXT("FAILED(0x%x) ") TEXT(#x) TEXT("\n"), hr); goto CLEANUP;}
+
+//
+//  Function prototypes
+//
+HRESULT AddGraphFiltersToList (IGraphBuilder *pGB, CListBox& m_ListFilters);
+HRESULT AddFilterPinsToLists  (IGraphBuilder *pGB, CListBox& m_ListFilters, 
+                               CListBox& m_ListPinsInput, CListBox& m_ListPinsOutput);
+
+HRESULT EnumPinsOnFilter (IBaseFilter *pFilter, PIN_DIRECTION PinDir, CListBox& Listbox);
+
+// Enumeration functions that add extra data to the listbox
+HRESULT EnumFiltersAndMonikersToList(IEnumMoniker *pEnumCat, CListBox& ListFilters);
+HRESULT EnumFiltersAndCLSIDsToList(IEnumMoniker *pEnumCat, CListBox& ListFilters);
+
+HRESULT EnumFiltersWithCLSIDToList(ICreateDevEnum *pSysDevEnum, 
+                                   const GUID *clsid, CListBox& List);
+HRESULT EnumFiltersWithMonikerToList(ICreateDevEnum *pSysDevEnum, 
+                                   const GUID *clsid, CListBox& List);
+
+// Similar to IGraphBuilder::FindFilterByName()
+IBaseFilter *FindFilterFromName(IGraphBuilder *pGB, LPTSTR szNameToFind);
+
+// Listbox add/clear functions that store extra data
+void AddFilterToListWithCLSID  (const TCHAR *szFilterName, 
+                                const GUID *pCatGuid, CListBox& ListFilters);
+void AddFilterToListWithMoniker(const TCHAR *szFilterName, 
+                                IMoniker *pMoniker, CListBox& ListFilters);
+void ClearFilterListWithCLSID  (CListBox& ListFilters);
+void ClearFilterListWithMoniker(CListBox& ListFilters);
+
+// Listbox manipulation functions
+void AddEventToList(CListBox& ListEvents, long lEventCode);
+void AddFilterCategoriesToList(CListBox& ListFilters);
+
+// Debug output
+void RetailOutput(TCHAR *tszErr, ...);
+
+BOOL GetFileInfoStrings(LPTSTR szFile, TCHAR *szSize, TCHAR *szDate);