This is particularly vital for widescreen patches or ultrawide monitor fixes. Often, when forcing RE4 into ultrawide resolutions, the UI elements remain stretched in the center. Editing layout.bin allows users to "nudge" these elements into the corners of a 21:9 screen for a cleaner experience.
Inside every .uad or .dat level file (like vill01.uad ), there’s a hidden chunk called . It’s not a texture or a 3D model. It’s a binary layout map —a set of instructions telling the game:
The only safe sources for the “hot” layout.bin are: