From 8aa331b432f04334ba2745fd1ce807efc4b458ef Mon Sep 17 00:00:00 2001
From: Skjalf <47818697+Nyeriah@users.noreply.github.com>
Date: Sat, 4 Feb 2023 15:35:53 -0300
Subject: [PATCH] =?UTF-8?q?fix(Core/Creature):=20Fix=20bosses=20with=20har?=
 =?UTF-8?q?d=20reset=20flag=20not=20respawning=20an=E2=80=A6=20(#14862)?=
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---
 src/server/game/AI/ScriptedAI/ScriptedCreature.cpp | 13 +++++++++++++
 src/server/game/AI/ScriptedAI/ScriptedCreature.h   |  2 ++
 src/server/game/Entities/Creature/Creature.cpp     |  9 ++++++++-
 3 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/src/server/game/AI/ScriptedAI/ScriptedCreature.cpp b/src/server/game/AI/ScriptedAI/ScriptedCreature.cpp
index 67df38905..75f1c3995 100644
--- a/src/server/game/AI/ScriptedAI/ScriptedCreature.cpp
+++ b/src/server/game/AI/ScriptedAI/ScriptedCreature.cpp
@@ -554,6 +554,19 @@ BossAI::BossAI(Creature* creature, uint32 bossId) : ScriptedAI(creature),
         SetBoundary(instance->GetBossBoundary(bossId));
 }
 
+bool BossAI::CanRespawn()
+{
+    if (instance)
+    {
+        if (instance->GetBossState(_bossId) == DONE)
+        {
+            return false;
+        }
+    }
+
+    return true;
+}
+
 void BossAI::_Reset()
 {
     if (!me->IsAlive())
diff --git a/src/server/game/AI/ScriptedAI/ScriptedCreature.h b/src/server/game/AI/ScriptedAI/ScriptedCreature.h
index 3040ede20..86a2fd34e 100644
--- a/src/server/game/AI/ScriptedAI/ScriptedCreature.h
+++ b/src/server/game/AI/ScriptedAI/ScriptedCreature.h
@@ -438,6 +438,8 @@ public:
 
     InstanceScript* const instance;
 
+    bool CanRespawn() override;
+
     void JustSummoned(Creature* summon) override;
     void SummonedCreatureDespawn(Creature* summon) override;
     void SummonedCreatureDespawnAll() override;
diff --git a/src/server/game/Entities/Creature/Creature.cpp b/src/server/game/Entities/Creature/Creature.cpp
index 16818b76a..fbb36033a 100644
--- a/src/server/game/Entities/Creature/Creature.cpp
+++ b/src/server/game/Entities/Creature/Creature.cpp
@@ -648,15 +648,22 @@ void Creature::Update(uint32 diff)
 
                 ObjectGuid dbtableHighGuid = ObjectGuid::Create<HighGuid::Unit>(m_creatureData ? m_creatureData->id1 : GetEntry(), m_spawnId);
                 time_t linkedRespawntime = GetMap()->GetLinkedRespawnTime(dbtableHighGuid);
-                if (!linkedRespawntime)             // Can respawn
+
+                CreatureTemplate const* cInfo = sObjectMgr->GetCreatureTemplate(GetEntry());
+
+                if (!linkedRespawntime || (cInfo && cInfo->HasFlagsExtra(CREATURE_FLAG_EXTRA_HARD_RESET)))             // Can respawn
                     Respawn();
                 else                                // the master is dead
                 {
                     ObjectGuid targetGuid = sObjectMgr->GetLinkedRespawnGuid(dbtableHighGuid);
                     if (targetGuid == dbtableHighGuid) // if linking self, never respawn (check delayed to next day)
+                    {
                         SetRespawnTime(DAY);
+                    }
                     else
+                    {
                         m_respawnTime = (now > linkedRespawntime ? now : linkedRespawntime) + urand(5, MINUTE); // else copy time from master and add a little
+                    }
                     SaveRespawnTime(); // also save to DB immediately
                 }
             }