Module book 

In-game book/documentation system (Patchouli-like).

Modules

book_ui

font

Custom TTF/OTF font support for book rendering. Uses fontdue to rasterize glyphs into a packed atlas texture (RGBA8).

renderer

Book renderer — ties together yog-ui layout, yog-gfx GPU pipeline, SVG icon rasterization, and custom font rendering.

state

Per-book navigation state.

svg

SVG rasterization → RGBA pixel buffer.

theme

Visual theme for book rendering.

Structs

Book

The top-level book definition — replaces patchouli_books/<id>/book.json.

BookCategory

Represents a book category tab (e.g. “Basics”, “Patterns”).

BookEntry

One entry in a book (like a “page” in the TOC sidebar).

BookFont

Reference to a registered font — serializable, stored in BookPage::CustomText. The actual TTF bytes live in BookFontRegistry (registered separately).

BookMacro

A macro substitution (e.g. $(thing) → red color span).

BookRegistry

Global registry for all in-game books.

BookRenderer

BookTheme

All colors are 0xAARRGGBB.

BookViewState

Enums

BookPage

A single page variant inside a book entry.

Functions

crafting_page

crafting_page_with_text

entity_page

image_page

pattern_page

relations_page

smelting_page

spotlight_page

text_page