The Biomes are pseudorandomly generated via a combination of "Wang tiles" and "Pixel scenes".
Herringbone Wang Tiles[]
These tiles are slotted together. Looking at Horscht's awesome web-based wang tiler gives a clear visual explanation. See this page and this page for technical info about Herringbone Wang tiles.
This example of a single wang tile from the Coal Pits generates the associated structure
Examples of the wang tiles from the Mines (full, and zoomed section) can be seen below.
A catalog of the HP Up Locations has been compiled.
Pixel scenes[]
Pixel scenes are added to the rendered biome.
Material colors[]
The colors in the wang tiles represent materials, as assigned by data/materials.xml
and documented in the image at right.