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  1. Minecraft: Java Edition
  2. MC-221311

Decorations can replace parts of mineshafts

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • None
    • 21w11a, (25)
      21w13a, 21w14a, 21w19a, 1.17 Release Candidate 1, 1.17.1 Release Candidate 1, 1.17.1 Release Candidate 2, 1.17.1, 21w37a, 21w38a, 21w39a, 21w40a, 21w42a, 21w44a, 1.18 Pre-release 1, 1.18 Pre-release 2, 1.18 Pre-release 4, 1.18 Pre-release 5, 1.18 Pre-release 7, 1.18 Release Candidate 3, 1.18, 1.18.1, 22w05a, 1.18.2, 23w03a, 1.20.4
    • Confirmed
    • World generation
    • Low
    • Platform

      The Bug:

      Decorations can replace parts of mineshafts.

      Just for clarification reasons, decoration blocks are blocks such as grass, moss carpet, azalea, dripleaf, cave vines, pointed dripstone etc...

      Here is an example:

      Version: 1.18.2
      Seed: -6901966002481662265
Coordinates: /execute in minecraft:overworld run tp @s 231 -1 35 -320 37

      Steps to Reproduce:

      1. Generate a world with the seed provided above and teleport to the given coordinates.
      2. Look closely at the generation of the mineshaft and how nearby decorations intersect it.
      3. Take note as to whether or not decorations can replace parts of mineshafts.

      Observed Behavior:

      Decorations can replace parts of mineshafts.

      Expected Behavior:

      Decorations would not be able to replace parts of mineshafts.

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          [MC-221311] Decorations can replace parts of mineshafts

          [Mod] j_p_smith added a comment - - edited

          I was able to reproduce this in 1.20.4.

          World type: Single biome (lush caves)
          Seed: -9028795212135345755
          Coordinates: 1294 28 -323

          Due to MC-219200, however, I haven't been able to reproduce this a second time, even at the same location.

          [Mod] j_p_smith added a comment - - edited I was able to reproduce this in 1.20.4. World type: Single biome (lush caves) Seed: -9028795212135345755 Coordinates: 1294 28 -323 Due to MC-219200 , however, I haven't been able to reproduce this a second time, even at the same location.

          Ceresjanin123 added a comment -

          I cannot reproduce this in 1.20.4
          Spend 30 minutes flying in a lush cave world on seed 107038380838084 and didn't find a single instance

          Ceresjanin123 added a comment - I cannot reproduce this in 1.20.4 Spend 30 minutes flying in a lush cave world on seed 107038380838084 and didn't find a single instance

          Brain81505 added a comment -

          Can confirm in 23w03a
          Seed: 8587948038190963789
          XYZ: 3082 -42 9684
          World type: Default
          Image:

          Brain81505 added a comment - Can confirm in 23w03a Seed: 8587948038190963789 XYZ: 3082 -42 9684 World type: Default Image:

          Jareth The Rad added a comment - - edited

          Apparently Cave Vines getting CUT OFF by a Mineshaft below is still the same bug, so I'll add screenshots of that.
          Seed in those 3 pictures is -347828615443259447

          Jareth The Rad added a comment - - edited Apparently Cave Vines getting CUT OFF by a Mineshaft below is still the same bug, so I'll add screenshots of that. Seed in those 3 pictures is -347828615443259447

          Robomnz added a comment -

          1.18 pre release 1 and 2 both contain this bug

          Robomnz added a comment - 1.18 pre release 1 and 2 both contain this bug

          Ceresjanin123 added a comment -

          Can confirm in 21w42a

          Ceresjanin123 added a comment - Can confirm in 21w42a

          [Mod] ampolive added a comment -

          Can confirm in 21w40a.

          [Mod] ampolive added a comment - Can confirm in 21w40a.

          [Mod] ampolive added a comment -

          Can confirm in 21w39a.

          [Mod] ampolive added a comment - Can confirm in 21w39a.

          user-f2760 (Inactive) added a comment -

          Just clarifying, this is not those things replacing the pillars, it's the mineshaft's logs that are placed after other generation not replacing them. (supporting blocks from structures are generally done last in generation)

          user-f2760 (Inactive) added a comment - Just clarifying, this is not those things replacing the pillars, it's the mineshaft's logs that are placed after other generation not replacing them. (supporting blocks from structures are generally done last in generation)

          user-aa418 (Inactive) added a comment -

          I found an example:

          Single Biome: Lush Caves
Seed: 100413440131279243
Coordinates: /execute in minecraft:overworld run tp @s 789.54 32.00 2914.78 432.00 48.90

          user-aa418 (Inactive) added a comment - I found an example: Single Biome: Lush Caves Seed: 100413440131279243 Coordinates: /execute in minecraft:overworld run tp @s 789.54 32.00 2914.78 432.00 48.90

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            Avoma [Mod] Avoma
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              Created:
              Updated:
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