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game: fix TBC 2.4.3 SMSG_CAST_FAILED missing parseCastFailed override

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TBC 2.4.3 SMSG_CAST_FAILED format is spellId(u32) + result(u8), same as
Classic. WotLK added a castCount(u8) prefix before spellId. TbcPacketParsers
lacked a parseCastFailed override, so it fell through to the WotLK base
which read one extra byte as castCount, shifting the spellId read by one
byte and corrupting the spell ID and result for every failed cast on TBC.

- Add TbcPacketParsers::parseCastFailed override: reads spellId(4)+result(1)
- ClassicPacketParsers already overrides this (enum shift +1), so Classic unaffected
This commit is contained in:
Kelsi 2026-03-10 01:30:06 -07:00
parent 528b796dff
commit 7270a4e690
2 changed files with 20 additions and 0 deletions
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2
include/game/packet_parsers.hpp
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@ -332,6 +332,8 @@ public:
bool parseGossipMessage(network::Packet& packet, GossipMessageData& data) override;
// TBC 2.4.3 SMSG_CAST_RESULT: spellId(u32) + result(u8) — WotLK added castCount(u8) prefix
bool parseCastResult(network::Packet& packet, uint32_t& spellId, uint8_t& result) override;
// TBC 2.4.3 SMSG_CAST_FAILED: spellId(u32) + result(u8) — WotLK added castCount(u8) prefix
bool parseCastFailed(network::Packet& packet, CastFailedData& data) override;
// TBC 2.4.3 SMSG_SPELL_START: full uint64 GUIDs (WotLK uses packed GUIDs)
bool parseSpellStart(network::Packet& packet, SpellStartData& data) override;
// TBC 2.4.3 SMSG_SPELL_GO: full uint64 GUIDs, no timestamp field (WotLK added one)