Worldgen and world.rand

[Bedrock_Miner]

Heyho Guys!

I have a theoretical question today:

Does it have effects on world generation if I use world.rand in my mod's methods?

Is it more likely to get chunk errors if i do this?

I hope you know something about this topic.. Thanks in advance!

[Draco18s]

I don't think so.

You won't get "chunk errors" as those are done via perlin noise (a deterministic function).  But chunk generation order would influence the result (i.e. the same world see if you travel east, then west will be different than a world in which you travel west, then east, for anything that uses that random value).

[Bedrock_Miner]

Ok, so this means that a world IS different if I use those methods, at least if you travel around a bit, right?

[Draco18s]

Ok, so this means that a world IS different if I use those methods, at least if you travel around a bit, right?

 

It will be in small ways, the most noticeable would be anything you're doing with the random.  Vanilla is almost entirely deterministic at this point, but the exact positions of flowers, tall grass, etc. might change.  You'd have to see what actually references world.rand to get more info.