[1.16.5] How to compare the block correctly, as well as work with files.

[Maksimka3168]

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For example, I will spawn a block under a certain condition (when clicking on the block), I need to compare both on the server and on the client, right? And also when I click, the tile value is checked, but for some reason it changes on the client, and the value remains default on the server.

[Maksimka3168]

  On 6/21/2022 at 2:51 PM, diesieben07 said:

No, you should only do stuff like this on the server.

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...
public ActionResultType use(BlockState stateBlock, World worldIn, BlockPos posBlock, PlayerEntity playerIn, Hand playerHand, BlockRayTraceResult traceBlock)
    {
  if (!worldIn.isClientSide) {
    worldIn.setBlock(new BlockPos(posBlock.getX(), posBlock.getY() + 1, posBlock.getZ()), Blocks.OBSIDIAN.defaultBlockState(), 1);
  }
}
...

If I do so, the block will spawn invisible

[Draco18s]

  On 6/21/2022 at 4:06 PM, Maksimka3168 said:

, 1);

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Maybe set the Notify_Client flag? (which is 2, so you want to pass 3 here)

Also, rather than using ints, use the proper enum object.