package chat contains packets relating to the in-game chatbox feature.

Package economy provides structures for managing money and auctions.

Package update provides functions for serializing and deserializing SMSG_UPDATE_OBJECT.update also contains structures and functions pertaining to movement packets, which can be encoded inside of SMSG_UPDATE_OBJECT.SMSG_UPDATE_OBJECT notifies the game client of incremental state changes, or updates, to in-world objects.The structure of this packet varies extremely across protocol revisions, so this package incorporates several descriptor packages for storing fields.

Start "modern" opcodes.

Codes still used in Vanilla:.

Equal to CMSG_CONTACT_LIST.

Defunct codes from alpha:.

In the legacy protocol, a WorldPacket's length cannot exceed this size.

no client handler.

Deleted opcodes, here only to allow compile.