crosspoint-reader/docs/file-formats.md

# File Formats

## `book.bin`

![](./images/file-formats/book-bin.png)

## `section.bin`

![](./images/file-formats/section-bin.png)
Consolidate chapter page data into single file (#144) ## Summary * Consolidate chapter page data into single file * Header structure of the file stays the same, following the page count, we now put a LUT offset * The page data is all then appended to this file * Finally the LUT is appended to the end of the file, and the page count is updated * This will also significantly improve the duration of cache cleanup which takes a while to scan the directory and cleanup content * Remove page file version as it's all tied up into the section file now * Bumped section file version to 7 * Moved section content into sub directory * Updated docs ## Additional Context * Benchmarks: * Generating 74 pages of content from a chapter in Jade Legacy took: * master: 6,229ms * this PR: 1,305ms * Speedup of 79% * Generating 207 pages of content from Livesuit book: * With progress bar UI updates: * master: 24,250ms * this PR: 8,063ms * Speedup of 67% * Without progress bar UI updates: * master: 13,055ms * this PR: 3,600ms * Speedup of 72% 2025-12-29 12:19:54 +10:00			`# File Formats`

			## `book.bin`

			`![](./images/file-formats/book-bin.png)`

			## `section.bin`

			`![](./images/file-formats/section-bin.png)`