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/Capture/DVApp/dbgsup.h

@@ -0,0 +1,61 @@
+//------------------------------------------------------------------------------
+// File: DbgSup.h
+//
+// Desc: DirectShow sample code - DV control/capture example
+//       Debug macros and supporting functions for Windows programs
+//
+// Copyright (c) 2000-2001 Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------------------------
+
+#ifdef _DEBUG
+
+// dump a string to debug output
+#define Dump(tsz) \
+    OutputDebugString(tsz)
+
+// dump a string with a parameter value to debug output
+TCHAR dbgsup_tszDump[256];
+#define Dump1(tsz, arg) \
+    { wsprintf(dbgsup_tszDump, (tsz), (arg)); \
+      OutputDebugString(dbgsup_tszDump); }
+
+
+#define CHECK_ERROR(tsz,hr)                     \
+{   if( S_OK != hr)                             \
+    {                                           \
+        wsprintf(dbgsup_tszDump, (tsz), (hr));  \
+        OutputDebugString(dbgsup_tszDump);      \
+        return hr;                              \
+    }                                           \
+}
+    
+#ifndef DBGSUPAPI
+#define DBGSUPAPI __declspec(dllimport)
+#endif
+
+// dump a Windows message to debug output
+DBGSUPAPI void DumpMsg(
+    UINT msg,
+    WPARAM wparam,
+    LPARAM lparam);
+
+
+#include <assert.h>
+
+// assert an expression
+#define Assert(exp)     assert(exp)
+
+#else
+
+// do nothing in retail version
+#define Dump(sz)
+#define Dump1(sz, arg)
+#define DumpMsg(msg, wp, lp)
+#define Assert(exp)
+
+#define CHECK_ERROR(tsz,hr)                     \
+{   if( S_OK != hr)                             \
+        return hr;                              \
+}
+
+#endif  // _DEBUG