Hi I would like to parse and rasterize ttf fonts for my game without using a library. I want to make a bare-bone parser that just works for my files since i will use it in a asset-preprocessor. Does anyone know any good resources on how to do so?

Implementing a Font Reader and Rasterizer from Scratch, Part 1: TTF Font Reader

Reading TTF files and rasterizing them using a handmade approach, Part 2: Rasterization

What is the proper cmap table format to use to support generic 32bit unicode codepoints?