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/dshowutil.h

@@ -0,0 +1,51 @@
+//------------------------------------------------------------------------------
+// File: DShowUtil.h
+//
+// Desc: DirectShow sample code - prototypes for utility functions
+//
+// Copyright (c) 2000-2001 Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------------------------
+
+
+//
+// Function prototypes for DirectShow applications
+//
+HRESULT GetPin(IBaseFilter * pFilter, PIN_DIRECTION dirrequired, 
+               int iNum, IPin **ppPin);
+    
+HRESULT FindOtherSplitterPin(IPin *pPinIn, GUID guid, 
+               int nStream, IPin **ppSplitPin);
+    
+HRESULT SeekNextFrame(IMediaSeeking * pSeeking, double FPS, long Frame );
+    
+IPin * GetInPin ( IBaseFilter *pFilter, int Num );
+IPin * GetOutPin( IBaseFilter *pFilter, int Num );
+
+HRESULT CountFilterPins(IBaseFilter *pFilter, ULONG *pulInPins, ULONG *pulOutPins);
+HRESULT CountTotalFilterPins(IBaseFilter *pFilter, ULONG *pulPins);
+
+// Find a renderer filter in an existing graph
+HRESULT FindRenderer(IGraphBuilder *pGB, const GUID *mediatype, IBaseFilter **ppFilter);
+HRESULT FindAudioRenderer(IGraphBuilder *pGB, IBaseFilter **ppFilter);
+HRESULT FindVideoRenderer(IGraphBuilder *pGB, IBaseFilter **ppFilter);
+
+// Finds a filter's server name
+void ShowFilenameByCLSID(REFCLSID clsid, TCHAR *szFilename);
+
+// Media file information
+HRESULT GetFileDurationString(IMediaSeeking *pMS, TCHAR *szDuration);
+
+// Property pages and capabilities
+BOOL SupportsPropertyPage(IBaseFilter *pFilter);
+HRESULT ShowFilterPropertyPage(IBaseFilter *pFilter, HWND hwndParent);
+BOOL CanFrameStep(IGraphBuilder *pGB);
+
+// Debug helper functions
+void TurnOnDebugDllDebugging( );
+void DbgPrint( char * pText );
+void ErrPrint( char * pText );
+
+// Adds/removes a DirectShow filter graph from the Running Object Table,
+// allowing GraphEdit to "spy" on a remote filter graph if enabled.
+HRESULT AddGraphToRot(IUnknown *pUnkGraph, DWORD *pdwRegister);
+void RemoveGraphFromRot(DWORD pdwRegister);