fix(Core/AI): Fix bosses being stuck IN_PROGRESS if despawnonevade fl… (#19070)

fix(Core/AI): Fix bosses being stuck IN_PROGRESS if despawnonevade flag is used

src/server/game/AI/CreatureAI.cpp

@@ -223,14 +223,14 @@ void CreatureAI::EnterEvadeMode(EvadeReason why)
         me->GetVehicleKit()->Reset(true);
     }
 
+    sScriptMgr->OnUnitEnterEvadeMode(me, why);
+
     // despawn bosses at reset - only verified tbc/woltk bosses with this reset type
     CreatureTemplate const* cInfo = sObjectMgr->GetCreatureTemplate(me->GetEntry());
     if (cInfo && cInfo->HasFlagsExtra(CREATURE_FLAG_EXTRA_HARD_RESET))
     {
         me->DespawnOnEvade();
     }
-
-    sScriptMgr->OnUnitEnterEvadeMode(me, why);
 }
 
 /*void CreatureAI::AttackedBy(Unit* attacker)

src/server/game/AI/ScriptedAI/ScriptedCreature.cpp

@@ -650,6 +650,16 @@ void BossAI::_JustEngagedWith()
     }
 }
 
+void BossAI::_EnterEvadeMode(EvadeReason why)
+{
+    CreatureAI::EnterEvadeMode(why);
+    if (instance)
+    {
+        instance->SetBossState(_bossId, NOT_STARTED);
+        instance->SaveToDB();
+    }
+}
+
 void BossAI::TeleportCheaters()
 {
     float x, y, z;

src/server/game/AI/ScriptedAI/ScriptedCreature.h

@@ -488,6 +488,7 @@ public:
 
     void Reset() override { _Reset(); }
     void JustEngagedWith(Unit* /*who*/) override { _JustEngagedWith(); }
+    void EnterEvadeMode(EvadeReason why = EVADE_REASON_OTHER) override { _EnterEvadeMode(why); }
     void JustDied(Unit* /*killer*/) override { _JustDied(); }
     void JustReachedHome() override { _JustReachedHome(); }
 
@@ -496,6 +497,7 @@ protected:
     void _JustEngagedWith();
     void _JustDied();
     void _JustReachedHome() { me->setActive(false); }
+    void _EnterEvadeMode(EvadeReason why = EVADE_REASON_OTHER);
     [[nodiscard]] bool _ProccessHealthCheckEvent(uint8 healthPct, uint32 damage, std::function<void()> exec) const;
 
     void TeleportCheaters();

src/server/scripts/EasternKingdoms/ZulGurub/boss_jindo.cpp

@@ -94,7 +94,7 @@ struct boss_jindo : public BossAI
 
     void EnterEvadeMode(EvadeReason evadeReason) override
     {
-        if (_EnterEvadeMode(evadeReason))
+        if (CreatureAI::_EnterEvadeMode(evadeReason))
         {
             Reset();
             me->SetUInt32Value(UNIT_NPC_EMOTESTATE, EMOTE_STATE_DANCE);