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_WinXP/VMR/TxtPlayer/AllocLib.h

@@ -0,0 +1,37 @@
+//------------------------------------------------------------------------------
+// File: AllocLib.h
+//
+// Desc: DirectShow sample code - header file for VMR sample applications
+//
+// Copyright (c) 2000-2001 Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------------------------
+
+#ifndef __INC_ALLOCLIB_H__
+#define __INC_ALLOCLIB_H__
+
+#ifndef __ZEROSTRUCT_DEFINED
+#define __ZEROSTRUCT_DEFINED
+template <typename T>
+__inline void ZeroStruct(T& t)
+{
+    ZeroMemory(&t, sizeof(t));
+}
+#endif
+
+#ifndef __INITDDSTRUCT_DEFINED
+#define __INITDDSTRUCT_DEFINED
+template <typename T>
+__inline void INITDDSTRUCT(T& dd)
+{
+    ZeroStruct(dd);
+    dd.dwSize = sizeof(dd);
+}
+#endif
+
+
+HRESULT
+PaintDDrawSurfaceBlack(
+    LPDIRECTDRAWSURFACE7 pDDrawSurface
+    );
+
+#endif