public Engine(EngineParameters userParams)
{
currentEngineParams = userParams;
}
public void BuildProgram(
int populationSize,
int crossoverPercentage,
double mutationPercentage,
int ElitismPercentage,
int tourneySize,
Action <string> currentStatusCallback,
string dealerUpcardRankToUse)
{
displayGenerationCallback = currentStatusCallback;
dealerUpcardRank = dealerUpcardRankToUse;
// just some values, leave the rest as defaults
var engineParams = new EngineParameters()
{
CrossoverRate = crossoverPercentage / 100F,
ElitismRate = ElitismPercentage / 100F,
IsLowerFitnessBetter = false,
MutationRate = mutationPercentage / 100F,
PopulationSize = populationSize,
TourneySize = tourneySize
};
// create the engine. each tree (and node within the tree) will return a bool.
// we also indicate the type of our problem state data (used by terminal functions and stateful functions)
var engine = new Engine <bool, ProblemState>(engineParams);
// no constants for this problem
// no variables for this solution - we can't pass in information about our hand
// via boolean variables, so we do it via some terminal functions instead
// for a boolean tree, we use the standard operators
engine.AddFunction((a, b) => a || b, "Or");
engine.AddFunction((a, b, c) => a || b || c, "Or3");
engine.AddFunction((a, b) => a && b, "And");
engine.AddFunction((a, b, c) => a && b && c, "And3");
engine.AddFunction((a) => !a, "Not");
// then add functions to indicate a strategy
engine.AddStatefulFunction(HitIf, "HitIf");
engine.AddStatefulFunction(StandIf, "StandIf");
engine.AddStatefulFunction(DoubleIf, "DoubleIf");
engine.AddStatefulFunction(SplitIf, "SplitIf");
// terminal functions to look at game state
// first, player holding ace?
engine.AddTerminalFunction(HasAce, "HasAce");
engine.AddTerminalFunction(HasPair, "HasPair");
// player hand totals
engine.AddTerminalFunction(HandVal4, "Has4");
engine.AddTerminalFunction(HandVal5, "Has5");
engine.AddTerminalFunction(HandVal6, "Has6");
engine.AddTerminalFunction(HandVal7, "Has7");
engine.AddTerminalFunction(HandVal8, "Has8");
engine.AddTerminalFunction(HandVal9, "Has9");
engine.AddTerminalFunction(HandVal10, "Has10");
engine.AddTerminalFunction(HandVal11, "Has11");
engine.AddTerminalFunction(HandVal12, "Has12");
engine.AddTerminalFunction(HandVal13, "Has13");
engine.AddTerminalFunction(HandVal14, "Has14");
engine.AddTerminalFunction(HandVal15, "Has15");
engine.AddTerminalFunction(HandVal16, "Has16");
engine.AddTerminalFunction(HandVal17, "Has17");
engine.AddTerminalFunction(HandVal18, "Has18");
engine.AddTerminalFunction(HandVal19, "Has19");
engine.AddTerminalFunction(HandVal20, "Has20");
// num cards held
engine.AddTerminalFunction(Holding2Cards, "Hold2");
engine.AddTerminalFunction(Holding3Cards, "Hold3");
// pass a fitness evaluation function and run
engine.AddFitnessFunction((t) => EvaluateCandidate(t));
// and add something so we can track the progress
engine.AddProgressFunction((t) => PerGenerationCallback(t));
BestSolution = engine.FindBestSolution();
}