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  1. Minecraft: Java Edition
  2. MC-185021

Crash when worldgen dimension type presets are not unique

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Details

    • Bug
    • Status: Resolved
    • Resolution: Duplicate
    • 20w21a
    • None
    • Unconfirmed
    • (Unassigned)

    Description

      The bug

      When there are multiple dimensions with the same dimension type, the game crashes. When type is a string, it is supposedly a preset for dimension options like ultrawarm, shrunk, etc. However it only one dimension can use the default values overworld, the_nether and the_end.

      This is supposedly caused because the game uses the dimension type value in a hashmap. It should instead use the dimension key.

      Relevant section in worldgen settings

      "dimensions": {
        "minecraft:overworld": {
          ...
          "type": "minecraft:overworld"
        },
        "custom:overworld": {
          ...
          "type": "minecraft:overworld"
        }
      }

      How to reproduce

      1. Download the worldgen settings duplicate.json
      2. Create a new world and select the downloaded file when importing world settings
        The game crashes because the custom:overworld also used the overworld dimension type preset.

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              Unassigned Unassigned
              Misoloo [Helper] Misode
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              Dates

                Created:
                Updated:
                Resolved: