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feat: implement SMSG_BATTLEFIELD_LIST handler

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Parse the battleground availability list sent by the server when the
player opens the BG finder.  Handles all three expansion wire formats:
- Classic: bgTypeId + isRegistered + count + instanceIds
- TBC:     adds isHoliday byte
- WotLK:   adds minLevel/maxLevel for bracket display

Stores results in availableBgs_ (public via getAvailableBgs()) so the
UI can show available battlegrounds and running instance counts without
an additional server round-trip.
This commit is contained in:
Kelsi 2026-03-12 21:54:48 -07:00
parent 793c2b5611
commit f8f57411f2
2 changed files with 90 additions and 1 deletions
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15
include/game/game_handler.hpp
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@ -405,11 +405,22 @@ public:
std::chrono::steady_clock::time_point inviteReceivedTime{};
};
// Available BG list (populated by SMSG_BATTLEFIELD_LIST)
struct AvailableBgInfo {
uint32_t bgTypeId = 0;
bool isRegistered = false;
bool isHoliday = false;
uint32_t minLevel = 0;
uint32_t maxLevel = 0;
std::vector<uint32_t> instanceIds;
};
// Battleground
bool hasPendingBgInvite() const;
void acceptBattlefield(uint32_t queueSlot = 0xFFFFFFFF);
void declineBattlefield(uint32_t queueSlot = 0xFFFFFFFF);
const std::array<BgQueueSlot, 3>& getBgQueues() const { return bgQueues_; }
const std::vector<AvailableBgInfo>& getAvailableBgs() const { return availableBgs_; }
// BG scoreboard (MSG_PVP_LOG_DATA)
struct BgPlayerScore {
@ -2475,6 +2486,10 @@ private:
// ---- Battleground queue state ----
std::array<BgQueueSlot, 3> bgQueues_{};
// ---- Available battleground list (SMSG_BATTLEFIELD_LIST) ----
std::vector<AvailableBgInfo> availableBgs_;
void handleBattlefieldList(network::Packet& packet);
// Instance difficulty
uint32_t instanceDifficulty_ = 0;
bool instanceIsHeroic_ = false;