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→Handling Packets: add warning about not registering encoders on the physical client. hopefully save someone 3 valuable hours of their life.
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To avoid this problem, a general rule of thumb is to only access blocks and block entities if <code><nowiki>Level#hasChunkAt</nowiki></code> is true.}}
To avoid this problem, a general rule of thumb is to only access blocks and block entities if <code><nowiki>Level#hasChunkAt</nowiki></code> is true.}}
{{Colored box|title=Alert|content=Remember that DistExecutor runs on the '''physical side''', not the logical side.
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If you only register an encoder for a clientbound packet on the physical server, your mod will likely crash or present unintended behaviour in single-player worlds. ''Forge will happily send packets that have no encoder defined, '''without a warning or error message!''''' They will be encoded as a 256-long byte buffer filled only with null bytes, by default.
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== Sending Packets ==
== Sending Packets ==