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/BaseClasses/seekpt.h

@@ -0,0 +1,30 @@
+//------------------------------------------------------------------------------
+// File: SeekPT.h
+//
+// Desc: DirectShow base classes.
+//
+// Copyright (c) 1992-2001 Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------------------------
+
+
+#ifndef __seekpt_h__
+#define __seekpt_h__
+
+
+class CSeekingPassThru : public ISeekingPassThru, public CUnknown
+{
+public:
+    static CUnknown *CreateInstance(LPUNKNOWN pUnk, HRESULT *phr);
+    CSeekingPassThru(TCHAR *pName, LPUNKNOWN pUnk, HRESULT *phr);
+    ~CSeekingPassThru();
+
+    DECLARE_IUNKNOWN;
+    STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void ** ppv);
+
+    STDMETHODIMP Init(BOOL bSupportRendering, IPin *pPin);
+
+private:
+    CPosPassThru *m_pPosPassThru;
+};
+
+#endif