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Discuss Minecraft's structures, including existing locations such as villages, dungeons, and other generated landmarks, as well as ideas for new structures. Share feedback on how structures are discovered, explored, and integrated into the world.

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Seeds beyond 64-bit

Currently, on Java Edition, seeds can only range from -9223372036854775808 to 9223372036854775807, and entering a number outside of this range will cause the entered number to be treated as a string and transformed into a number within these bounds. While the amount of permitted worlds with the current seeds is practically endless, since I'm insane, I'd like to see these bounds pushed farther. Were seeds to use a 128-bit or even 256-bit number, this could allow for far more quirks in terrain generation to be seen which simply could not happen with the current range of seeds, such as caves repeating on both axes.

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    Strangely enough the new xoroshiro rng thats being used for the biomes and caves in 1.18 is capable of 128 bit seeds.  But to be honest getting bedrock to 64 bit seeds, even if it's just for the biomes and caves is important.  Imagine if seed parity meant java had to drop back to 32 bit seeds.

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    Registered User commented
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    I'm not sure if Java (programming language) supports full 128- or 256-bit values as integers/floating point. If it did work as one value, and not 2 or 4, that'd allow for pretty large values as integers