N64 CITextureEditor TLF Format

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1. TLF

   This is the file that holds the color palette information of the texture. There are files for 4bitCI and 8bitCI. Each is a binary file with the following configuration:

   Header area (64bytes)	u32 color_index_tag u32 color_num u32 color_type (52byte reserved area)
   Color area	u32 color_array(0) u32 color_array(1) : :

2. Explanation
   • [u32 color_index_tag]

     For convenience, this ID is used to identify whether the file is a TLF file.

     For 4bitCI TAG_COLOR_PALETTE_16 = 0x00200100
     For 8bitCI TAG_COLOR_PALETTE_256 = 0x00200200
     

   • [u32 entry_num]

     The number of colors entered in the color palette.

     For 4bitCI PALETTE_COLOR_NUM_16 = 0x00000010
     For 8bitCI PALETTE_COLOR_NUM_256 = 0x00000100
     

   • [u32 color_type]

     The type of the color stored in the palette

     For 16bitRGBA PALETTE_COLOR_TYPE_RGBA16 = 0x00000000
     For 16bitIA PALETTE_COLOR_TYPE_IA16 = 0x00000001
     

   • [u32 color_array]

     The actual data inside the palette. The actual color values are stored in order from palette number 0. Each color value is a 16bit value, so 2 are stored in each color_array. For a 4bitCI, there are a total of 16 colors in the palette, so color_array is the 8 units of data from 0~7. For an 8bitCI, there are a total of 256 colors in the palette, so color_array is the 128 units of data from 0~127.

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