public class DialogRequirementNPCNotHasCVarRebirth : BaseDialogRequirement
{
    public override bool CheckRequirement(EntityPlayer player, EntityNPC talkingTo)
    {
        //Log.Out("DialogRequirementNPCNotHasCVarRebirth-CheckRequirement START");

        //Log.Out("DialogRequirementNPCNotHasCVarRebirth-CheckRequirement Value: " + Value);
        //Log.Out("DialogRequirementNPCNotHasCVarRebirth-CheckRequirement ID: " + ID);

        if (string.IsNullOrEmpty(Value))
        {
            //Log.Out("DialogRequirementNPCNotHasCVarRebirth-CheckRequirement 1");
            if (talkingTo.Buffs.HasCustomVar(ID))
            {
                //Log.Out("DialogRequirementNPCNotHasCVarRebirth-CheckRequirement 2");
                return false;
            }
        }

        float.TryParse(Value, out var flValue);

        ////Log.Out("DialogRequirementNPCNotHasCVarRebirth-CheckRequirement flValue: " + flValue);

        if (talkingTo.Buffs.HasCustomVar(ID))
        {
            //Log.Out("DialogRequirementNPCNotHasCVarRebirth-CheckRequirement 3");
            float numCVar = talkingTo.Buffs.GetCustomVar(ID);

            //Log.Out("DialogRequirementNPCNotHasCVarRebirth-CheckRequirement numCVar: " + numCVar);

            if (numCVar == flValue)
            {
                //Log.Out("DialogRequirementNPCNotHasCVarRebirth-CheckRequirement 4");
                return false;
            }
        }

        //Log.Out("DialogRequirementNPCNotHasCVarRebirth-CheckRequirement END");
        return true;
    }
}