====== PAK file format (TR4-TR5) ======

===== Overview =====

TR4 and TR5 use a file format with the extension ''%%PAK%%'' for certain files (mostly pictures). This file format is actually a container for raw binary content, compressed using zlib.

===== Layout =====

<code cpp>
struct pak_file
{
    uint32_t UncompressedSize; // Uncompressed size of data (4 bytes)
    uint8_t CompressedData[]; // zlib-compressed data (read until EOF)
}
</code>

<note warning>
The ''%%UncompressedSize%%'' field is used by the game to allocate the buffer for uncompressed data. Do not put a wrong value here, or it’ll result in unexpected and wrong behaviour.
</note>