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/Misc/Mapper/readme.txt

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+DirectShow Sample -- Mapper
+---------------------------
+
+This sample demonstrates using the IFilterMapper2::EnumMatchingFilters method 
+to locate filters in the registry. The application's user interface contains controls 
+that match the parameters of the EnumMatchingFilters method, such as minimum merit value, 
+pin categories, and media types. 
+
+Select the search options that you want, then click the Search button to enumerate 
+the filters that match those options.  The list box will display the results of your
+query, including the filter's Friendly Name, Filter merit, and the filename of the
+server which contains it.  Tooltips are provided to help explain the user interface
+elements.  
+
+Although the EnumMatchingFilters method allows you to specify the number of 
+media type/subtype pairs to use in the query, the Mapper application only provides
+two sets of list boxes for input and output types.  If the first media type is specified
+as a "Don't Care" condition, then the secondary media type/subtype listboxes will
+be disabled to prevent confusion.  By default, the search elements are configured
+to display all filters with a merit value of Normal or higher.