Field File Section 4: Palette

The Palette contains color data. This wiki is a useful reference for the Palette section.

4 bytes: Section Length

• This is a 4-byte unsigned integer denoting the total length (in bytes) of this section

Section Header

4 bytes: Section Length

• The exact same section length (not sure why it's included again in the Section 4 Header)

2 bytes: PalX

• This is a 2-byte unsigned integer that is always exactly 0
• It's useful for the PlayStation version, but not the PC/Switch versions

2 bytes: PalY

• This is a 2-byte unsigned integer that is always exactly 480
• It's useful for the PlayStation version, but not the PC/Switch versions

2 bytes: Number of Colors per Page

• This is a 2-byte unsigned integer denoting the number of colors on each page of the palette (always 256)

2 bytes: Number of Pages

• This is a 2-byte unsigned integer denoting the number of pages in this palette

Color Data

• There are "Number of Pages" * "Number of Colors per Page" colors, each represented using 2 bytes
• From leftmost bit to rightmost bit:
  • The first bit is a mask (alpha?)
  • The next 5 bits are an unsigned integer for Blue
  • The next 5 bits are an unsigned integer for Green
  • The next 5 bits are an unsigned integer for Red
  • In other words: ABBBBBGG GGGRRRRR (A = Mask, B = Blue, G = Green, R = Red)