private void AddAntireq(EAbility antireq1, EAbility antireq2)
{
SkillNode antireqNode1 = m_SkillTree[(int)antireq1];
SkillNode antireqNode2 = m_SkillTree[(int)antireq2];
antireqNode1.AddAntireq(antireqNode2);
antireqNode2.AddAntireq(antireqNode1);
}