// counts/set array can be of length 1 to maximum number of counts
// to set a value, set count/set=1 for that entry
// to change a value, set count/set = 0 for that entry
// to leave a value, set count=0,set=0 for that entry
// set means set to value, else add to value
public void Change(DateTime utc, MaterialCommodityMicroResourceType.CatType cat, string fdname, int[] counts, bool[] set, long price)
{
fdname = fdname.ToLowerInvariant();
MaterialCommodityMicroResource mc = items.GetLast(fdname); // find last entry, may return null if none stored
if (mc == null) // not stored, make new
{
MaterialCommodityMicroResourceType mcdb = MaterialCommodityMicroResourceType.EnsurePresent(cat, fdname); // get a MCDB of this
mc = new MaterialCommodityMicroResource(mcdb);
}
else
{
mc = new MaterialCommodityMicroResource(mc); // copy constructor, new copy of it
}
double costprev = mc.Counts[0] * mc.Price;
double costofnew = counts[0] * price;
bool changed = false;
for (int i = 0; i < counts.Length; i++)
{
int newcount = set[i] ? counts[i] : Math.Max(mc.Counts[i] + counts[i], 0); // don't let it go below zero if changing
changed |= newcount != mc.Counts[i]; // have we changed? we are trying to minimise deltas to the gen dictionary, so don't add if nothing changed
mc.Counts[i] = newcount;
}
if (changed) // only store back a new entry if material change to counts
{
if (mc.Counts[0] > 0 && counts[0] > 0) // if bought (defensive with mc.counts)
{
mc.Price = (costprev + costofnew) / mc.Counts[0]; // price is now a combination of the current cost and the new cost. in case we buy in tranches
}
items.Add(fdname, mc); // and add a new fresh mc to the dictionary
// System.Diagnostics.Debug.WriteLine("{0} Changed {1} {2} {3}", utc, items.Generation, mc.Details.FDName, mc.Count);
}
else
{
// System.Diagnostics.Debug.WriteLine("{0} Not changed {1} {2}", utc, mc.Details.FDName, mc.Count);
}
}
private FactionInfo Clone(string faction, bool incrgen = true) // clone both FactionInformation structure and a faction
{
if (faction.HasChars() && faction != "$faction_none;")
{
FactionInfo newfi = history.GetLast(faction); // get the last one, or null
newfi = newfi != null ? new FactionInfo(newfi) : new FactionInfo(faction); // make a new copy, or an empty copy
if (incrgen)
{
history.NextGeneration();
}
history.Add(faction, newfi); // add this new one to the history list
return(newfi);
}
else
{
return(null);
}
}