mangxema
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Also, I was thinking of the chunk claiming system. In large towns/cities where building would be close together, one would get a 1x3 chunk to build on (16x48 blocks, or approx. 48x144, the size of a city lot). Outside of city limits, plots would be larger.
I was also thinking of having zoning laws of sorts for the larger towns, so that there's a balance between too random and too uniform. (rural areas wouldn't apply as much, but should have things like a fence border).
That sounds like a good size. I built a mini-tower, but since I have neighbors on all sides, there's not a whole lot that I can do on each floor. There's not a whole lot I can do with the underground either, since once I leave my footprint I can't even put a torch down.
The round roads are cool, but they seem really inefficient, since it seems like all the blocks it touches are off-limits for building