void Player::SetInWater(bool apply)
{
    if(m_isInWater==apply)
        return;

    //define player in water by opcodes
    //move player's guid into HateOfflineList of those mobs
    //which can't swim and move guid back into ThreatList when
    //on surface.
    //TODO: exist also swimming mobs, and function must be symmetric to enter/leave water
    m_isInWater = apply;

    // remove auras that need water/land
    RemoveAurasWithInterruptFlags(apply ? AURA_INTERRUPT_FLAG_NOT_ABOVEWATER : AURA_INTERRUPT_FLAG_NOT_UNDERWATER);
        
    getHostilRefManager().updateThreatTables();
}