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Randomized Block & Mob Drops

Randomized Block & Mob Drops

Shuffle block and mob drops, including modded loot, with saved world seeds, filters, and commands to find items.

1.7Kdownloads
1follower
1.7Kdownloads
1follower

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Details

Licensed ARR
Published 7 months ago
Updated 3 months ago
All versions

2.0.1

Release
RBMD 2.0.17 months ago 28
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Compatibility

Minecraft: Java Edition
1.21.1
Platform
NeoForge
Supported environments
Server-side
Singleplayer

Changes

[2.0.1] — 2026-03-19 — Bug Fixes

🐛 Bug Fixes

  • Fixed: drops changing every time you re-enter the same world. BuiltInRegistries.ITEM has no guaranteed iteration order between JVM sessions, so the shuffle produced a different result on every launch even with the same seed. Each world's datapack folder now contains an rbmd_seed.txt file storing the seed used to generate it. On world load, if this file exists, the permutation is rebuilt from the stored seed instead of regenerating — ensuring drops are always identical for that world.
  • Fixed: switching between worlds scrambling both worlds' drops. The in-memory permutation was shared across all worlds in a session. Loading world 2 would overwrite the permutation used by world 1, and returning to world 1 would use world 2's drops. Each world now independently restores its own seed from rbmd_seed.txt on load.
  • Fixed: drops changing after /rbmdreshuffle being lost on next session. The new seed chosen by /rbmdreshuffle is now saved to the world's rbmd_seed.txt so it persists across game restarts.
  • Renamed /rbmdmakepack to /rbmddebug. The command is a fallback/debug tool — most players should use /rbmdreshuffle instead. Renaming reduces confusion.