Core/AI Prevent bosses respawn when BossState is set to DONE (#17616)

(cherry picked from commit f826ecb4b2e8cc1fa54419947dff041a580d9c03)

2 files changed, 9 insertions, 0 deletions

diff --git a/src/server/game/AI/ScriptedAI/ScriptedCreature.cpp b/src/server/game/AI/ScriptedAI/ScriptedCreature.cpp
index 97b7421c147..b749cb4aac4 100644
--- a/src/server/game/AI/ScriptedAI/ScriptedCreature.cpp
+++ b/src/server/game/AI/ScriptedAI/ScriptedCreature.cpp
@@ -496,6 +496,14 @@ void BossAI::_EnterCombat()
     ScheduleTasks();
 }
 
+bool BossAI::CanRespawn()
+{
+    if (instance && instance->GetBossState(_bossId) == DONE)
+        return false;
+
+    return true;
+}
+
 void BossAI::TeleportCheaters()
 {
     float x, y, z;
diff --git a/src/server/game/AI/ScriptedAI/ScriptedCreature.h b/src/server/game/AI/ScriptedAI/ScriptedCreature.h
index 62e513a06c5..59c4f61ae97 100644
--- a/src/server/game/AI/ScriptedAI/ScriptedCreature.h
+++ b/src/server/game/AI/ScriptedAI/ScriptedCreature.h
@@ -358,6 +358,7 @@ class TC_GAME_API BossAI : public ScriptedAI
         void JustReachedHome() override { _JustReachedHome(); }
 
         bool CanAIAttack(Unit const* target) const override { return CheckBoundary(target); }
+        bool CanRespawn() override;
 
     protected:
         void _Reset();