[IceBilizard]

use a simple variable

PHP Code:

new step=0;
public OnPlayerWeaponShot(playerid, weaponid, hittype, hitid, Float:fX, Float:fY, Float:fZ)
{
    if(OwnerMisiune[playerid] == 1)
    {
        if(weaponid == 34)
        {
            if(hittype == BULLET_HIT_TYPE_OBJECT)
            {
                if(step == 0)
                {
                    CreateMisiuneActor();
                    DestroyObject(MisiuneSpeciala[0]);
                    SendClientMessage(playerid, -1, "Ai distrus obiectul, du-te acum aici pentru a omori acea persoana cu tricou negru.");
                    step = 1;
                }
                if(step == 1)
                {
                    MisiuneActiva = 0;
                    DestroyActor(Actorr[0]);
                    DestroyActor(Actorr[1]);
                    OwnerMisiune[playerid] = 0;
                    SendClientMessage(playerid, -1, "Ai omorit persoana in tricou negru.");
                    step = 0;
                }
            }
        }
    }
    return 1;
}