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  1. Minecraft: Java Edition
  2. MC-142256

Lighting/worldgenerator issue: black patches and dark spots appearing in the world

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    Details

    • Type: Bug
    • Status: Resolved
    • Resolution: Fixed
    • Affects Version/s: Minecraft 19w02a, Minecraft 19w03a, Minecraft 19w03b, Minecraft 19w03c, Minecraft 19w04b, Minecraft 19w05a, Minecraft 19w06a, Minecraft 19w07a, Minecraft 19w08a, Minecraft 19w08b, Minecraft 19w09a, Minecraft 19w11a, Minecraft 19w11b, Minecraft 19w12a, Minecraft 19w12b, Minecraft 19w13a
    • Fix Version/s: Minecraft 19w14a
    • Labels:
      None
    • Confirmation Status:
      Confirmed
    • Category:
      Lighting

      Description

      The bug

      Starting with snapshot 19w02a, there are pitch black patches and dark spots quite commonly in the world, mostly in the plains biome. I haven't seen these in any other 1.14 snapshot that includes the new lighting system introduced in 18w43a.
      I could imagine that some of the new code has been reverted to improve performance.

      How to reproduce

      1. Create a superflat world with the Overworld preset:
        minecraft:bedrock,59*minecraft:stone,3*minecraft:dirt,minecraft:grass_block;minecraft:plains;village,biome_1,decoration,stronghold,mineshaft,lake,lava_lake,dungeon
        
      2. Fly around
        You will find lakes with black patches and dark spots in a minute or two

      Addendum

      Now that I dug deeper into it, I think this is just a reappearance of MC-29490 which got fixed in 18w06a when the new world generator has been introduced.

        Attachments

        1. 2019-01-12_23.58.05.png
          2019-01-12_23.58.05.png
          3.21 MB
        2. 2019-01-13_00.01.46.png
          2019-01-13_00.01.46.png
          3.42 MB
        3. 2019-01-13_10.56.51.png
          2019-01-13_10.56.51.png
          1.89 MB
        4. 2019-01-13_13.41.50.png
          2019-01-13_13.41.50.png
          2.57 MB
        5. 2019-01-13_13.50.00.png
          2019-01-13_13.50.00.png
          1.47 MB
        6. 2019-01-13_13.51.40.png
          2019-01-13_13.51.40.png
          2.08 MB
        7. 2019-01-13_13.52.03.png
          2019-01-13_13.52.03.png
          982 kB
        8. 2019-01-20_16.55.17.png
          2019-01-20_16.55.17.png
          4.57 MB
        9. 2019-04-05_14.17.50.png
          2019-04-05_14.17.50.png
          1.54 MB
        10. image-2019-02-28-09-15-25-305.png
          image-2019-02-28-09-15-25-305.png
          66 kB
        11. MC_Dark.png
          MC_Dark.png
          528 kB

          Issue Links

            Activity

              People

              • Assignee:
                fry [Mojang] Georgii Gavrichev
                Reporter:
                miwob [Mod] Michael Wobst
              • Votes:
                9 Vote for this issue
                Watchers:
                8 Start watching this issue

                Dates

                • Created:
                  Updated:
                  Resolved:
                  CHK: