private static bool Build(Dictionary <Chemical, List <Chemical> > chemicalOperations, Dictionary <string, long> stock, long chemicalAmount, string chemicalName, ref long fuels)
{
if (chemicalName.Equals(FUEL))
{
fuels += chemicalAmount;
}
stock.TryGetValue(chemicalName, out long storedAmount);
stock[chemicalName] = Math.Max(storedAmount - chemicalAmount, 0);
chemicalAmount = Math.Max(chemicalAmount - storedAmount, 0);
if (chemicalAmount == 0)
{
return(false);
}
if (chemicalName.Equals(ORE))
{
return(true);
}
var chemicalOperation = chemicalOperations.First(x => x.Key.Name.Equals(chemicalName));
Chemical chemNeeded = chemicalOperation.Key;
long countRepetitions = (long)Math.Ceiling(chemicalAmount / (double)chemNeeded.Amount);
countRepetitions = Math.Max(1, countRepetitions);
var inputs = chemicalOperation.Value;
var boolReturn = false;
foreach (var inp in inputs)
{
boolReturn = Build(chemicalOperations, stock, inp.Amount * countRepetitions, inp.Name, ref fuels);
}
long waste = (chemNeeded.Amount * countRepetitions) - chemicalAmount;
if (waste > 0)
{
stock[chemicalName] += waste;
}
return(boolReturn);
}
private static void OreNeeded(Dictionary <Chemical, List <Chemical> > chemicalOperations, string chemicalName, long chemicalAmount, Dictionary <string, long> stock, ref long oreUsed)
{
stock.TryGetValue(chemicalName, out long storedAmount);
stock[chemicalName] = Math.Max(storedAmount - chemicalAmount, 0);
chemicalAmount = Math.Max(chemicalAmount - storedAmount, 0);
if (chemicalAmount == 0)
{
return;
}
if (chemicalName.Equals(ORE))
{
oreUsed += chemicalAmount;
return;
}
var chemicalOperation = chemicalOperations.First(x => x.Key.Name.Equals(chemicalName));
Chemical chemNeeded = chemicalOperation.Key;
long countRepetitions = (long)Math.Ceiling(chemicalAmount / (double)chemNeeded.Amount);
countRepetitions = Math.Max(1, countRepetitions);
var inputs = chemicalOperation.Value;
foreach (var inp in inputs)
{
OreNeeded(chemicalOperations, inp.Name, inp.Amount * countRepetitions, stock, ref oreUsed);
}
long waste = (chemNeeded.Amount * countRepetitions) - chemicalAmount;
if (waste > 0)
{
stock[chemicalName] += waste;
}
}