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Add wad compress zlib #3

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Add wad compress zlib #3

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adf3cd2
For BFWD files, move compression type to a table
beg0 Feb 6, 2024
8b73356
Add compression type for zlib in BFWD files
beg0 Feb 6, 2024
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12 changes: 10 additions & 2 deletions src/formats/bfwd.md
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Original file line number Diff line number Diff line change
Expand Up @@ -21,10 +21,18 @@ The BFWD (**B**ull**f**rog **W**A**D**) file format contains compressed (or unco
* 4 bytes: Filename length
* 4 bytes: Data offset
* 4 bytes: File length
* 4 bytes: Compression type - "4" for [RefPack](http://wiki.niotso.org/RefPack), "0" for uncompressed
* 4 bytes: Compression type
* 4 bytes: Decompressed size
* 12 bytes: Padding

Compression type shall be one of the following:

| Compression Type | value |
|-------------------------------------------|:-----:|
| Uncompressed | 0 |
| [zlib](https://zlib.net/) | 2 |
| [RefPack](http://wiki.niotso.org/RefPack) | 4 |

## Directories

Occasionally, a file's filename may begin with the name of a directory separated using the `\` character. This should
Expand All @@ -43,4 +51,4 @@ Here's an example:

Here, files 0 and 1 both belong to the root of the archive. Files 2 and 3 exist in the `textures` directory, whereas
files 4 and 5 belong to the `stexture` directory. Despite file 3 and file 5 both being called `hello2.wct`, they do not
overlap - they belong in different directories - and therefore they do not conflict.
overlap - they belong in different directories - and therefore they do not conflict.