Extending Valve Hammer Editor through DLL injection
-New startup screen
-Random texture uv (for hammer versions that dont have it)
-Realtime mapping
-Rotateable grid (Not sure if possible)
-Export to model (obj, maybe other formats)
-Built in tutorial
-Map templates
-Undo history
-Crash logging to track down the sources of Hammer's numerous crashes
-Debugging tools
-Plugin system (Probably not)
-Nothing yet