protected int[] GetOptimalThrow(ThrowingStrategy strategy)
{
//This is the AI, automatically chooses which cards to throw away
//DESCRIPTION:
//THERE ARE TWO THINGS THE AI NEEDS TO CONSIDER:
//1) Having the statistically best hand possible (given random cut-up card)
//2) Giving the opponent the statistically best/worst cards possible (given 3 random cards)
//What Optimal means depends on your strategy
//This array will hold the best 4 indices to keep
var best = new int[4];
//Stores the best score so far to find max with
double score = double.MinValue, bestScore = 0;
//Looks at every possible throwing possible (there should be 15, since 6C4 is 15)
foreach (var combo in HelperFunctions.GetKCombination(_size, FinalHandSize))
{
//Finds hand that best satisfies chosen strategy
score = AnalyzeThrow(combo, strategy);
{
//Better hand found, replace original
if (score > bestScore)
{
bestScore = score;
best = combo;
}
}
}
return(best);
}
//METHODS
protected void ThrowAway(ThrowingStrategy strategy)
{
//Figures out the best way to throw away
var best = GetOptimalThrow(strategy);
foreach (var throwIndex in HelperFunctions.GetIndexComplement(_size, best))
{
//Mark the indices from the optimal throw as thrown
MarkThrown(throwIndex);
}
}
protected double AnalyzeThrow(int[] keep, ThrowingStrategy strategy)
{
//Get weighted average of both sides of this option
double handScore = AnalyzeHand(keep);
double cribScore;
double score;
//STRATEGY PATTERN - CHANGE THIS LATER!
//score = strategy(keep)
//There is no point to have all these algorithms here
//Switch statement takes the AI's strategy
switch (strategy)
{
case ThrowingStrategy.OptimizeCrib:
cribScore = AnalyzeCrib(keep);
//Optimize hand AND crib at the same time
score = cribScore + handScore;
break;
case ThrowingStrategy.DeoptimizeCrib:
cribScore = AnalyzeCrib(keep);
//Otherwise, deoptimize crib. The better the crib, the worse this throw
score = handScore - cribScore;
break;
case ThrowingStrategy.IgnoreCrib:
//There are only 15 ways to throw away, ignoring will only give a bad throw every once in a while
//It's MUCH MUCH faster than optimize and deoptimize
score = handScore;
break;
case ThrowingStrategy.Random:
//Randomly assigns quality values to each throw
var r = new Random();
score = 29 * r.NextDouble();
break;
default:
//This strategy doesn't exist
throw new ArgumentException("No strategy provided!");
}
return(score);
}
public ThrowingHandAITest(Deck deck, ThrowingStrategy strategy) : base(deck, strategy)
{
}
//CONSTRUCTOR
public ThrowingHandAI(Deck deck, ThrowingStrategy strategy, int DefaultStartingHandSize = 6) : base(deck, DefaultStartingHandSize)
{
_strategy = strategy;
//Automatically creates (somewhat) ideal hand
//ThrowAway(_strategy);
}