16 days ago
- The author independently ported the Mirage game engine to the original Xbox (OG) as a personal hobby project, without any support from Microsoft.
- The main challenges involved adapting a modern C++17/20 engine to C++98/03, using obsolete tools like Visual Studio 2003 and old CMake versions, and handling compatibility issues.
- Asset processing required converting the Sponza scene to older formats (like OBJ and .x) using multiple 3D software versions and optimizing for the Xbox's memory constraints.
- Texture loading on Xbox involved creating .rdf files to bundle textures into a single .xpr resource file, while animations could use vertex blending or tweening techniques.
- The project also involved porting the Quinn character from Unreal Engine 6 to the Xbox, and using SDK tools like the Bundler for icons and media.