// DELETE FROM spell_script_names WHERE spell_id = 58984;
// INSERT INTO spell_script_names VALUES (58984, 'spell_shadowmeld');
class spell_shadowmeld : public SpellScriptLoader
{
    public:
        spell_shadowmeld() : SpellScriptLoader("spell_shadowmeld") {}

        class spell_shadowmeld_SpellScript : public SpellScript
        {
            PrepareSpellScript(spell_shadowmeld_SpellScript);

            void HandleDummy(SpellEffIndex /*effIndex*/)
            {
                Unit *caster = GetCaster();
                if (!caster)
                    return;

                caster->InterruptSpell(CURRENT_AUTOREPEAT_SPELL); // break Auto Shot and autohit
                caster->InterruptSpell(CURRENT_CHANNELED_SPELL);  // break channeled spells

                bool instant_exit = true;
                if (Player *pCaster = caster->ToPlayer()) // if is a creature instant exits combat, else check if someone in party is in combat in visibility distance
                {
                    uint64 myGUID = pCaster->GetGUID();
                    float visibilityRange = pCaster->GetMap()->GetVisibilityRange();
                    if (Group *pGroup = pCaster->GetGroup())
                    {
                        const Group::MemberSlotList membersList = pGroup->GetMemberSlots();
                        for (Group::member_citerator itr=membersList.begin(); itr!=membersList.end() && instant_exit; ++itr)
                            if (itr->guid != myGUID)
                                if (Player *GroupMember = Unit::GetPlayer(*pCaster, itr->guid))
                                    if (GroupMember->isInCombat() && pCaster->GetMap()==GroupMember->GetMap() && pCaster->IsWithinDistInMap(GroupMember, visibilityRange))
                                        instant_exit = false;
                    }

                    pCaster->SendAttackSwingCancelAttack();
                }

                if (!caster->GetInstanceScript() || !caster->GetInstanceScript()->IsEncounterInProgress()) //Don't leave combat if you are in combat with a boss
                {
                    if (!instant_exit)
                        caster->getHostileRefManager().deleteReferences(); // exit combat after 6 seconds
                    else caster->CombatStop(); // isn't necessary to call AttackStop because is just called in CombatStop
                }
            }

            void Register()
            {
                OnEffectHitTarget += SpellEffectFn(spell_shadowmeld_SpellScript::HandleDummy, EFFECT_1, SPELL_EFFECT_DUMMY);
            }
        };

        SpellScript* GetSpellScript() const
        {
            return new spell_shadowmeld_SpellScript();
        }
};