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/include/d3dx.h

@@ -0,0 +1,26 @@
+///////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) Microsoft Corporation.  All Rights Reserved.
+//
+//  File:       d3dx.h
+//  Content:    D3DX utility library
+//
+///////////////////////////////////////////////////////////////////////////
+
+#ifndef __D3DX_H__
+#define __D3DX_H__
+
+#ifndef D3DXINLINE
+#ifdef __cplusplus
+#define D3DXINLINE inline
+#else
+#define D3DXINLINE _inline
+#endif
+#endif
+
+#include "d3dxcore.h"
+#include "d3dxmath.h"
+#include "d3dxshapes.h"
+#include "d3dxsprite.h"
+
+#endif //__D3DX_H__