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Packet ID0560x38
Map sync // wire record

MapDataChunk

Carries one chunk in the legacy map-data transfer family.

InactivePlannedProvisional4 + N bytes
Exact field order

Packet 56 wire layout

The first byte is the application packet ID. The rows after it appear in decode order. Sizes exclude ENet headers, the outer wrapper prefix, LZF chunk framing, and compression effects.

Packet 56 MapDataChunk fields in byte order
#FieldEncodingBytesPurpose
0packet_idu81Always 56 (0x38).
1percent_completeu81percent complete value.
2data_sizeu16 LE2N: raw payload length.
3dataraw bytesNLegacy map bytes.
Protocol convention

How to read this layout

  • LE means least-significant byte first.
  • fixed16 is two-byte sign-magnitude at 1/64 precision.
  • orientation16 uses the measured 1/8192 orientation mapping.
  • NUL strings consume their encoded byte length plus one 00 terminator.
  • Counted arrays repeat immediately in the order shown.