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fix(auction): resolve item GUID with fallback and gate packet format

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auctionSellItem now resolves the item GUID internally via
backpackSlotGuids_ with resolveOnlineItemGuid fallback, matching the
pattern used by vendor sell and item use. Previously the UI passed
the GUID directly from getBackpackItemGuid() with no fallback, so
items with unset slot GUIDs silently failed to list.

Also gates CMSG_AUCTION_SELL_ITEM format by expansion: Classic/TBC
omits the itemCount and stackCount fields that WotLK requires.
This commit is contained in:
Kelsi 2026-04-03 18:46:49 -07:00
parent ac5c61203d
commit 345b41b810
7 changed files with 40 additions and 22 deletions
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15
src/game/world_packets.cpp
View file

@ -5726,13 +5726,20 @@ network::Packet AuctionListItemsPacket::build(
network::Packet AuctionSellItemPacket::build(
uint64_t auctioneerGuid, uint64_t itemGuid,
uint32_t stackCount, uint32_t bid,
uint32_t buyout, uint32_t duration)
uint32_t buyout, uint32_t duration,
bool preWotlk)
{
network::Packet p(wireOpcode(Opcode::CMSG_AUCTION_SELL_ITEM));
p.writeUInt64(auctioneerGuid);
p.writeUInt32(1); // item count (WotLK supports multiple, we send 1)
p.writeUInt64(itemGuid);
p.writeUInt32(stackCount);
if (!preWotlk) {
// WotLK: itemCount(4) + per-item [guid(8) + stackCount(4)]
p.writeUInt32(1);
p.writeUInt64(itemGuid);
p.writeUInt32(stackCount);
} else {
// Classic/TBC: just itemGuid, no count fields
p.writeUInt64(itemGuid);
}
p.writeUInt32(bid);
p.writeUInt32(buyout);
p.writeUInt32(duration);