Core/Players: Added helper function to check quest completion using QuestV2 bits

2 files changed, 15 insertions, 0 deletions

diff --git a/src/server/game/Entities/Player/Player.cpp b/src/server/game/Entities/Player/Player.cpp
index 373b4b42ed5..5e264b49a8e 100644
--- a/src/server/game/Entities/Player/Player.cpp
+++ b/src/server/game/Entities/Player/Player.cpp
@@ -16548,6 +16548,20 @@ void Player::RemoveQuestSlotObjectiveFlag(uint16 slot, int8 objectiveIndex)
         .ModifyValue(&UF::QuestLog::ObjectiveFlags), 1 << objectiveIndex);
 }
 
+bool Player::IsQuestCompletedBitSet(uint32 questId) const
+{
+    uint32 questBit = sDB2Manager.GetQuestUniqueBitFlag(questId);
+    if (!questBit)
+        return false;
+
+    uint32 fieldOffset = (questBit - 1) / QUESTS_COMPLETED_BITS_PER_BLOCK;
+    if (fieldOffset >= m_activePlayerData->BitVectors->Values[PLAYER_DATA_FLAG_CHARACTER_QUEST_COMPLETED_INDEX].Values.size())
+        return false;
+
+    uint64 flag = UI64LIT(1) << ((questBit - 1) % QUESTS_COMPLETED_BITS_PER_BLOCK);
+    return (m_activePlayerData->BitVectors->Values[PLAYER_DATA_FLAG_CHARACTER_QUEST_COMPLETED_INDEX].Values[fieldOffset] & flag) != 0;
+}
+
 void Player::SetQuestCompletedBit(uint32 questBit, bool completed)
 {
     if (!questBit)
diff --git a/src/server/game/Entities/Player/Player.h b/src/server/game/Entities/Player/Player.h
index e19b492d2f1..246da1c4310 100644
--- a/src/server/game/Entities/Player/Player.h
+++ b/src/server/game/Entities/Player/Player.h
@@ -1709,6 +1709,7 @@ class TC_GAME_API Player final : public Unit, public GridObject<Player>
         void SetQuestSlotEndTime(uint16 slot, time_t endTime);
         void SetQuestSlotObjectiveFlag(uint16 slot, int8 objectiveIndex);
         void RemoveQuestSlotObjectiveFlag(uint16 slot, int8 objectiveIndex);
+        bool IsQuestCompletedBitSet(uint32 questId) const;
         void SetQuestCompletedBit(uint32 questBit, bool completed);
 
         uint16 GetReqKillOrCastCurrentCount(uint32 quest_id, int32 entry) const;