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37 lines
2 KiB
Markdown
37 lines
2 KiB
Markdown
# lbee-utils
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A small collection of utilities for exporting and importing assets from Little Busters! English Edition
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## Specifications and Info
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<sup>Bytes are in Little Endian</sup>
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Each `CZ#` file starts with a header. The first 14 (`0x0E`) bytes of the header are common to all
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`CZ#` files. The data which come after that are specific to each format, although several
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`CZ#` formats do share the same layout.
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### Common header:
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| Offset | Ex. Values | ASCII | Purpose |
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|-------------|-------------|-------|-----------------------------------|
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| 0x00 - 0x03 | 43 5A 30 00 | CZ0 | Magic bytes |
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| 0x04 - 0x07 | 24 00 00 00 | 36 | Header length in bytes |
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| 0x08 - 0x09 | 58 01 | 344 | Width of the image in pixels |
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| 0x0A - 0x0B | DC 02 | 732 | Height of the image in pixels |
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| 0x0C - 0x0D | 20 00 | 32 | Bit depth of the image |
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| 0x0E | 03 | 3 | Color block |
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### The CZ0 and CZ3 header extra data:
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| Offset | Ex. Values | ASCII | Purpose |
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|-------------|-------------|-------|-----------------------------------|
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| 0x0F - 0x13 | --- | --- | ---[Unknown]--- |
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| 0x14 - 0x15 | 58 01 | 344 | Width of image crop |
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| 0x16 - 0x17 | DC 02 | 732 | Height of image crop |
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| 0x18 - 0x19 | 00 05 | 1280 | Width of image bounding box |
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| 0x1A - 0x1B | 34 03 | 820 | Height of image bounding box |
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| 0x1C - 0x1D | 80 02 | 640 | X offset of image, optional |
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| 0x1E - 0x1F | 02 03 | 770 | Y offset of image, optional |
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| 0x20 - 0x23 | --- | --- | ---[Unknown]---, optional |
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### The CZ2 header extra data:
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| Offset | Ex. Values | ASCII | Purpose |
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|-------------|-------------|-------|-----------------------------------|
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| 0x0F - 0x12 | --- | --- | ---[Unknown]--- |
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