void SetupVars()
{
var names = Util.Empty <string>();
if (dm.states.Count > 0)
{
var prev = dm.states.Last();
names = prev.vars.Map(v => v.realName);
}
names = names.Concat(state.Variables).Distinct();
var curVars = state.Variables.ToDictionary(x => x);
foreach (var v in names)
{
if (dm.GetUserVariableName(v) != null)
{
var val = state.TryGet(v);
var vn = new VariableNode(this, v, val);
vn.updatedHere = dm.states.Count > 0 && curVars.ContainsKey(v);
if (curVars.ContainsKey(v))
{
dm.RegisterLocalValue(vn.Name, val);
}
vars.Add(vn);
}
}
dm.Flush(Nodes);
}