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  1. Minecraft: Java Edition
  2. MC-64370

Hostile mobs cannot see through transparent blocks



    • Type: Bug
    • Status: Reopened
    • Resolution: Unresolved
    • Affects Version/s: Minecraft 14w30c, Minecraft 1.12.1, Minecraft 1.12.2 Pre-Release 2, Minecraft 1.12.2, Minecraft 17w43b, Minecraft 18w01a, Minecraft 18w02a, Minecraft 18w03b, Minecraft 18w05a, Minecraft 18w21a, Minecraft 18w21b, Minecraft 18w22a, Minecraft 18w22b, Minecraft 18w22c, Minecraft 1.13-pre1, Minecraft 1.13-pre2, Minecraft 1.13-pre4, Minecraft 1.13-pre5, Minecraft 1.13-pre7, Minecraft 1.13, Minecraft 18w30a, Minecraft 18w30b, Minecraft 18w31a, Minecraft 18w32a, Minecraft 1.13.1, Minecraft 1.13.2-pre1, Minecraft 1.13.2, Minecraft 19w08b, Minecraft 19w09a, Minecraft 19w12b, Minecraft 19w13a, Minecraft 19w13b, Minecraft 1.14 Pre-Release 2, Minecraft 1.14 Pre-Release 3, Minecraft 1.14 Pre-Release 4, Minecraft 1.14 Pre-Release 5, Minecraft 1.14, Minecraft 1.14.2, Minecraft 1.14.3 Pre-Release 3
    • Fix Version/s: None
    • Confirmation Status:
      Community Consensus
    • Game Mode:
    • Category:
      Mob behaviour


      During earlier versions of Minecraft monsters could track the player through blocks. When a one-wide wall of transparent blocks [glass/iron bars/stained glass/glass panes/vines/fences] is located between myself and a hostile mob in 14w30c, the mob ignores me completely [in survival], even if all it has to do is walk two blocks around the wall in order to find me.
      On the other hand, if I make a mob aware of my presence in survival [punching it, jumping so my head is visible over the transparent wall], it will lock on to my position and will quite happily pathfind through a maze of opaque blocks in order to find me. Zombies can locate villagers through any opaque or transparent block, but fail to do the same with the player.
      This ability for any aggro hostile mob to track a player despite blocks impeding line-of-sight is inconsistent with the mob not being aware of the player's presense through those same blocks when not aggro.


        1. 14w30c bug.png
          14w30c bug.png
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        2. 2017-08-22_18.57.46.png
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        3. 2017-08-22_18.57.54.png
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        4. 2017-08-22_18.58.24.png
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        5. 2017-08-22_18.58.36.png
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          Issue Links



              • Assignee:
                gregmilson Greg Milson
              • Votes:
                12 Vote for this issue
                11 Start watching this issue


                • Created: