feat(Core/Unit): Add OnUnitExitCombat hook (#25215)

src/server/game/Entities/Unit/Unit.cpp

@@ -7583,6 +7583,7 @@ void Unit::UpdatePetCombatState()
 void Unit::AtExitCombat()
 {
     RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_LEAVE_COMBAT);
+    sScriptMgr->OnUnitExitCombat(this);
 }
 
 void Unit::AtEngage(Unit* /*target*/)

src/server/game/Scripting/ScriptDefines/UnitScript.cpp

@@ -124,6 +124,11 @@ void ScriptMgr::OnUnitEnterCombat(Unit* unit, Unit* victim)
     CALL_ENABLED_HOOKS(UnitScript, UNITHOOK_ON_UNIT_ENTER_COMBAT, script->OnUnitEnterCombat(unit, victim));
 }
 
+void ScriptMgr::OnUnitExitCombat(Unit* unit)
+{
+    CALL_ENABLED_HOOKS(UnitScript, UNITHOOK_ON_UNIT_EXIT_COMBAT, script->OnUnitExitCombat(unit));
+}
+
 void ScriptMgr::OnUnitDeath(Unit* unit, Unit* killer)
 {
     CALL_ENABLED_HOOKS(UnitScript, UNITHOOK_ON_UNIT_DEATH, script->OnUnitDeath(unit, killer));

src/server/game/Scripting/ScriptDefines/UnitScript.h

@@ -41,6 +41,7 @@ enum UnitHook
     UNITHOOK_ON_DISPLAYID_CHANGE,
     UNITHOOK_ON_UNIT_ENTER_EVADE_MODE,
     UNITHOOK_ON_UNIT_ENTER_COMBAT,
+    UNITHOOK_ON_UNIT_EXIT_COMBAT,
     UNITHOOK_ON_UNIT_DEATH,
     UNITHOOK_ON_UNIT_SET_SHAPESHIFT_FORM,
     UNITHOOK_END
@@ -106,6 +107,7 @@ public:
 
     virtual void OnUnitEnterEvadeMode(Unit* /*unit*/, uint8 /*evadeReason*/) { }
     virtual void OnUnitEnterCombat(Unit* /*unit*/, Unit* /*victim*/) { }
+    virtual void OnUnitExitCombat(Unit* /*unit*/) { }
     virtual void OnUnitDeath(Unit* /*unit*/, Unit* /*killer*/) { }
     virtual void OnUnitSetShapeshiftForm(Unit* /*unit*/, uint8 /*form*/) { }
 };

src/server/game/Scripting/ScriptMgr.h

@@ -564,6 +564,7 @@ public: /* UnitScript */
     void OnDisplayIdChange(Unit* unit, uint32 displayId);
     void OnUnitEnterEvadeMode(Unit* unit, uint8 why);
     void OnUnitEnterCombat(Unit* unit, Unit* victim);
+    void OnUnitExitCombat(Unit* unit);
     void OnUnitDeath(Unit* unit, Unit* killer);
     void OnUnitSetShapeshiftForm(Unit* unit, uint8 form);