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/DShowIDL/strmif.idl

@@ -0,0 +1,56 @@
+//------------------------------------------------------------------------------
+// File: StrmIf.idl
+//
+// Desc: ActiveMovie interface definitions.
+//
+// Copyright (c) 1992-2001, Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------------------------
+
+//
+// Temporarily disable the /W4 compiler warning C4201, which will be 
+// reported by all apps which include streams.h or dshow.h, which both
+// include the strmif.h generated by this IDL file.
+//
+cpp_quote("//+-------------------------------------------------------------------------")
+cpp_quote("//")
+cpp_quote("//  Copyright (C) Microsoft Corporation, 1999-2001.")
+cpp_quote("//")
+cpp_quote("//--------------------------------------------------------------------------")
+cpp_quote("// Disable /W4 compiler warning C4201: nameless struct/union")
+cpp_quote("#pragma warning(disable:4201)  // Disable C4201: nameless struct/union")
+cpp_quote("  ")   // Blank space
+
+import "unknwn.idl";
+import "objidl.idl";    // for IPersist (IFilter's root)
+
+#include "devenum.idl"
+
+// Core interfaces
+#include "axcore.idl"
+
+// Extended, ActiveMovie-only interfaces
+#include "axextend.idl"
+
+#if (WINVER < 0x501)
+        #include "IAMovie.idl"
+#endif
+
+// Application interfaces for DVD
+#include "dvdif.idl"
+
+// Dynamic graph stuff
+#include "dyngraph.idl"
+
+// This include is only valid when building for Windows XP
+#if (WINVER >= 0x501)
+
+    // Video Mixing Renderer
+    #include "VMRender.idl"
+
+#endif
+
+//
+// Restore the previous setting for C4201 compiler warning
+//
+cpp_quote("// Restore the previous setting for C4201 compiler warning")
+cpp_quote("#pragma warning(default:4201)")