private void Add(Dictionary<int, DemoUnitPosition> ht, DemoUnitPosition st)
{
if (!ht.ContainsKey(st.Key))
{
ht.Add(st.Key, st);
}
}
private void Add(Dictionary<int, DemoUnitPosition> ht, int x, int z)
{
var key = DemoUnitPosition.GetKey(x, z);
if (!ht.ContainsKey(key))
{
var st = new DemoUnitPosition(x, z);
ht.Add(key, st);
}
}
