40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
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#pragma once
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#include <cstdint>
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#include <vector>
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#include <string_view>
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// this is methods dedicated to parsing "fiin" files, commonly shown as "fileinfo.fiin"
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// header is 1024 bytes
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// for some reason, they store unknown1 and unknown 2 in this weird format,
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// unknown1 is capped at 256 (in decimal) and will overflow into unknown 2
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// for example, 1 is equal to unknown1 = 96 and unknown2 = 0
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// 96 / 1 == 1
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// if you have say, 14 entries, then unknown1 = 64 and unknown2 = 5
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// 5 (unknown2) * 256 = 1280 + 64 (unknown1) = 1344
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// 1344 / 96 = 14
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// i could've made a mistake and this is actually really common but i don't know
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struct FileInfoHeader {
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char magic[9];
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uint8_t dummy1[16];
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uint8_t unknown; // version? always seems to be 4
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uint8_t dummy2[2];
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uint8_t unknown1;
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uint8_t unknown2;
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uint8_t dummy[994];
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};
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// each entry is 96 bytes
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struct FileInfoEntry {
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uint8_t dummy[8]; // length of file name in some format
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char str[64]; // simple \0 encoded string
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uint8_t dummy2[24]; // sha1
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};
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struct FileInfo {
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FileInfoHeader header;
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std::vector<FileInfoEntry> entries;
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};
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FileInfo readFileInfo(const std::string_view path);
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