BFLIM (File Format)
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The BFLIM file format is used to store layout images.
Parsing information
Header
The header is, for whatever reason, at the end of the file. It is always 0x14 bytes.
| Offset | Size | Description |
|---|---|---|
| 0x00 | 4 | "FLIM" File Identifier, ASCII string. |
| 0x04 | 2 | Byte order mark (BOM): 0xFE,0xFF for big endian and 0xFF,0xFE for little endian. |
| 0x06 | 2 | Header size, always 0x14. |
| 0x08 | 4 | Unknown, usually 0x03030000 or 0x02020000. |
| 0x0C | 4 | Filesize |
| 0x10 | 2 | Unknown, always 0x01. |
| 0x12 | 1 | Multiplier?, always upper 2 bytes of filesize. |
| 0x13 | 1 | Unknown, always 0. |
Data Information
Comes directly after header, always 0x14 bytes. Formats not the same in games like NSMBU, be sure to use filename if possible (EG: ^l).
| Offset | Size | Description |
|---|---|---|
| 0x14 | 4 | "imag", some signature, ASCII string. |
| 0x18 | 4 | Parse information size, always 0x10 (this and next 0xC bytes). |
| 0x1C | 2 | Width |
| 0x1E | 2 | Height |
| 0x20 | 2 | Alignment usually 0x800 (2048) or 0x1000 (4096) |
| 0x22 | 1 | Format, how the data is stored. |
| 0x23 | 1 | Swizzle, first nibble is swizzle times two (2 is 1, 4 is 2, etc), second seems to always 4 |
| 0x24 | 4 | Raw data size, always 0xC minus 0x28 (the header). |
Format
| ID | Name | Type | Bits per pixel | Notes |
|---|---|---|---|---|
| 0x00 | R8_UNORM | single-color | 8 | ^c BFLIM files |
| 0x01 | R8_UNORM | single-color | 8 | ^d BFLIM files |
| 0x03 | R8_G8_UNORM | 16 | ^f BFLIM files | |
| 0x05 | RGB565 | color | ^h BFLIM files | |
| 0x09 | RGBA32_UNORM / RGBA8888 | color+alpha | ||
| 0x0C | BC1_UNORM / DXT1 | 16 | ^i BFLIM files | |
| 0x0E | BC3_UNORM / DXT5 | 16 | ^k BFLIM files | |
| 0x0F | I4? / BC4_UNORM / ATI1 (Low-End) | grey | ^r BFLIM files | |
| 0x10 | IA4? / BC4_UNORM / ATI (High-End) | color+alpha | ^s BFLIM files | |
| 0x11 | I8? / BC5_UNORM / ATI2 | color | ^t BFLIM files | |
| 0x12 | IA8? | color+alpha | ||
| 0x14 | RGBA32_UNORM / RGBA8888 | color+alpha | 32 | ^l BFLIM files |
| 0x15 | BC1_UNORM / DXT1 | Compressed | 32 | ^o BFLIM files |
| 0x16 | BC2_UNORM / DXT3 | Compressed | 32 | ^p BFLIM files |
| 0x17 | BC3_UNORM / DXT5 | Compressed | 32 | ^q BFLIM files |
| ^e BFLIM files |
Tools
The following tools can extract (and generate) BFLIM files: