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  1. Minecraft: Java Edition
  2. MC-130584

When a structure loads, water sources in the structure spread into waterloggable blocks

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    • Icon: Bug Bug
    • Resolution: Fixed
    • 20w45a
    • Minecraft 18w22c, (45)
      Minecraft 1.13-pre3, Minecraft 1.13-pre6, Minecraft 1.13-pre8, Minecraft 1.13, Minecraft 18w31a, Minecraft 1.13.1, Minecraft 1.13.2-pre2, Minecraft 1.13.2, Minecraft 18w43b, Minecraft 19w02a, Minecraft 19w03c, Minecraft 19w09a, Minecraft 19w12b, Minecraft 19w13a, Minecraft 19w13b, Minecraft 19w14a, Minecraft 19w14b, Minecraft 1.14 Pre-Release 1, Minecraft 1.14.2, Minecraft 1.14.3 Pre-Release 1, Minecraft 1.14.3 Pre-Release 3, 1.14.4, 1.15 Pre-Release 2, 1.15, 1.15.1, 1.15.2, 20w06a, 20w12a, 20w13b, 1.16 Release Candidate 1, 1.16, 1.16.1, 20w28a, 20w29a, 20w30a, 1.16.2 Pre-release 1, 1.16.2 Release Candidate 1, 1.16.2 Release Candidate 2, 1.16.2, 1.16.3 Release Candidate 1, 1.16.3, 1.16.4 Pre-release 1, 1.16.4 Pre-release 2, 1.16.4 Release Candidate 1, 1.16.4
    • Confirmed
    • Structures
    • Normal

      Whenever you save and load a structure, any water sources in the structure (including waterlogged blocks) will spread out and fill all adjacent waterloggable blocks.

        1. 2018-07-06_11.25.39.png
          2018-07-06_11.25.39.png
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        2. 2022-03-02_20.21.45.png
          2022-03-02_20.21.45.png
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        3. waterlogged.png
          waterlogged.png
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          [MC-130584] When a structure loads, water sources in the structure spread into waterloggable blocks

          Kirven Avion added a comment - - edited

          Nope, I've got structures spawning thirty blocks in the air with no water around except for what generates with the structure. See attached for water spreading from a two-block water feature along the full length of the structure.

          Kirven Avion added a comment - - edited Nope, I've got structures spawning thirty blocks in the air with no water around except for what generates with the structure. See attached for water spreading from a two-block water feature along the full length of the structure.

          user-f2760 (Inactive) added a comment -

          You sure you don't experience MC-140270?

          user-f2760 (Inactive) added a comment - You sure you don't experience MC-140270 ?

          Kirven Avion added a comment -

          I'm still getting this in random spots of custom and modified vanilla structures in 1.18.2.

          Kirven Avion added a comment - I'm still getting this in random spots of custom and modified vanilla structures in 1.18.2.

          Tom Holtz added a comment -

          Really glad to see this getting fixed. Good call splitting the two issues. 

          Tom Holtz added a comment - Really glad to see this getting fixed. Good call splitting the two issues. 

          Marcono1234 added a comment -

          MC-140270 has been reopened to describe the case where existing water sources spread inside the loaded structure; i.e. the case which will not be fixed by this fix for this issue.

          Marcono1234 added a comment - MC-140270 has been reopened to describe the case where existing water sources spread inside the loaded structure; i.e. the case which will not be fixed by this fix for this issue.

          Carlos G. added a comment -

          Finally saving in the future with Data Packs those Taiga Decorations that required water in the inside so it didn’t become “Villager traps”. Probably this fix includes an indirect fix for another more common vanilla example that happened in a Village house due to this water spreading problem MC-141034

          Carlos G. added a comment - Finally saving in the future with Data Packs those Taiga Decorations that required water in the inside so it didn’t become “Villager traps”. Probably this fix includes an indirect fix for another more common vanilla example that happened in a Village house due to this water spreading problem MC-141034

          user-39d6c (Inactive) added a comment -

          It's finally getting fixed. Thank you Matthew

          user-39d6c (Inactive) added a comment - It's finally getting fixed. Thank you Matthew

          [Mojang] Matthew Gatland added a comment - - edited

          After investigating, I see this as two separate issues. I have only fixed one of them.

          I will update this issue to only describe the issue that was fixed. A moderator may want to reopen one of the duplicates that represents the other issue and ask for a new triage.

          The issue that is fixed: When a structure loads, water sources in the structure spread into waterloggable blocks

          The issue that is not fixed: When a structure is placed in water, water sources outside the structure spread into waterloggable blocks. (For example, when a shipwreck generates under water, its trapdoors become waterlogged.)

          There was an example of the second case in the description. I removed it but it's here if you want to copy it to a new issue:

          Example of it happening with vanilla structure generation:

          seed: mansiontest

          coords -18490 69 -3374

          [Mojang] Matthew Gatland added a comment - - edited After investigating, I see this as two separate issues. I have only fixed one of them. I will update this issue to only describe the issue that was fixed. A moderator may want to reopen one of the duplicates that represents the other issue and ask for a new triage. The issue that is fixed: When a structure loads, water sources in the structure spread into waterloggable blocks The issue that is not fixed: When a structure is placed in water, water sources outside the structure spread into waterloggable blocks. (For example, when a shipwreck generates under water, its trapdoors become waterlogged.) There was an example of the second case in the description. I removed it but it's here if you want to copy it to a new issue: Example of it happening with vanilla structure generation: seed: mansiontest coords -18490 69 -3374

          Jasper Levin added a comment - - edited

          A potential fix that i found was filling the area that will be loaded with the structure with a block that cant be waterlogged (I like to use barriers). Then when you load the structure the barriers will prevent the water spreading and waterlogging the area

          Jasper Levin added a comment - - edited A potential fix that i found was filling the area that will be loaded with the structure with a block that cant be waterlogged (I like to use barriers). Then when you load the structure the barriers will prevent the water spreading and waterlogging the area

          Chomuggaacapri added a comment -

          Having this same issue in 1.16 Pre-release 4.

          Chomuggaacapri added a comment - Having this same issue in 1.16 Pre-release 4.

            mgatland [Mojang] Matthew Gatland
            CooperDooped Cooper
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