menubg

menubg is a tool for converting menu background images from AKI Corporation's wrestling games on Nintendo 64. It can also generate new background image files for use in the game.

Usage

The program has two modes:

1. Convert a list of binary files that make up a menu background into a PNG file.
2. Convert a PNG file into binary files that make up a menu background.

Background Types

It is important to note the menu background format changed between games. Properly converting data requires understanding the difference between the different background types.

The "old" format is found in WWF WrestleMania 2000. It consists of ten slices, 320x24 pixels each.

The "new" format is found in Virtual Pro-Wrestling 2 and WWF No Mercy. Each chunk is 64x30 pixels, and there are 40 chunks in total.

List Conversion

menubg -l LIST_FILE -t BG_TYPE [-d OUT_DIR]

where...

• LIST_FILE is the path to a text file containing a list of files making up the menu background.
• BG_TYPE is one of "old" or "new" (no quotes)
• OUT_DIR is the optional output directory. The directory must already exist.

List File Format Notes

• Each entry in the list file should be on its own line.
• Ideally, the file should have Unix line endings (\n).
• Paths can be relative or absolute.
• Paths should use / as the directory separator.

PNG to Menu Background

menubg -p PNG_FILE -t BG_TYPE [-d OUT_DIR]

where...

• PNG_FILE is the PNG format file to convert to a menu background.
• BG_TYPE is one of "old" or "new" (no quotes)
• OUT_DIR is the optional output directory. The directory must already exist.

The PNG file must be 320x240 pixels, and it must have a 16-color palette for conversion to work properly.

License

This program is licensed under the Unlicense. See the UNLICENSE file for more information.

This program uses LodePNG, which has a different license. Please see lodepng.h for more information.