worldGen = (await FileAttachment("world-gen@2.json").json()).map((d) => ({
...d,
blockGroup: d.block.split(":")[0],
blockName: d.block.split(":")[1],
distrib: new Map(
d.distrib.split(";").map((d) => d.split(",").map(parseFloat))
),
dimGroup: d.dim.split(":")[0],
dimName: d.dim.split(":")[1]
}))