Motivation

Roody:2d has infinite procedural generation, so the world is split up into 64x64 tile chunks.

Before version 0.7.0 alpha, the data for each chunk was saved into a .sac file. Each tile was 4 bytes, so the files were each 16 KB (4 * 64 * 64 + some metadata).

version 0.6.1 alpha
main menu background world

16K     c-1_-1.sac
16K     c-2_-1.sac
16K     c-3_-1.sac
16K     c0_-1.sac
16K     c1_-1.sac
16K     c2_-1.sac
16K     c3_-1.sac
4K      world.ssd

This was very simple to implement, but had 2 problems: