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  1. Spigot
  2. SPIGOT-6678

ChunkSnapshot#.isSectionEmpty() not working as intended.

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Details

    • Bug
    • Status: Resolved (View Workflow)
    • Minor
    • Resolution: Fixed
    • None
    • None
    • None
    • MC Version 1.17.1, Latest Spigot Build

    • This server is running CraftBukkit version 3203-Spigot-18c71bf-aa69d1c (MC: 1.17.1) (Implementing API version 1.17.1-R0.1-SNAPSHOT)
    • Yes

    Description

      I am trying to work out the max height of a chunk, so rather than getting the height of all blocks in the chunk, i decided to use this method.

      It seems that it has a "memory" for when blocks are placed very high up, and does not immediately purge them. So a block could be temporarily placed very high up and it is not until a server restart that it is lowered back down to the actual height.

       

      private int getChunkHeight(final int chunkX, final int chunkZ) {
          ChunkSnapshot chunkSnapshot = this.world.getChunkAt(chunkX,chunkZ).getChunkSnapshot();
          for (int y = 15; y >= 0; y--) {
              if (!chunkSnapshot.isSectionEmpty(y)) {
                  return y+1;
              }
          }
          return 16;
      }
      

      This code will return 16 if a block was placed at y 255 and then removed

       

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            Unassigned Unassigned
            olijeffers0n Ollie
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              Updated:
              Resolved: