/// <summary>
/// Calculate the
/// </summary>
/// <param name="dice"></param>
/// <param name="stepType"></param>
/// <returns></returns>
private byte CalculateDiceScore(int[] dice, YachtCombination stepType)
{
// Get the first and the last dice for calculation.
int first = dice[0];
int last = dice[dice.Length - 1];
switch (stepType)
{
case YachtCombination.Yacht:
// If all dice are same.
if (Times(dice, first) == 5)
{
return(50);
}
return(0);
case YachtCombination.LargeStraight:
// Dice is 2-6.
if (FollowingDice(dice) && last == 6)
{
return(30);
}
return(0);
case YachtCombination.SmallStraight:
// Dice is 1-5.
if (FollowingDice(dice) && last == 5)
{
return(30);
}
return(0);
case YachtCombination.FourOfAKind:
// 4 Dice are identical.
if (Times(dice, first) >= 4 || Times(dice, last) >= 4)
{
return(Sum(dice, null));
}
return(0);
case YachtCombination.FullHouse:
// 2 dice of the same value and 3 dice on the save value but different value from the other two.
if ((Times(dice, first) == 3 && Times(dice, last) == 2) ||
(Times(dice, first) == 2 && Times(dice, last) == 3))
{
return(Sum(dice, null));
}
return(0);
case YachtCombination.Choise:
return(Sum(dice, null));
case YachtCombination.Sixes:
case YachtCombination.Fives:
case YachtCombination.Fours:
case YachtCombination.Threes:
case YachtCombination.Twos:
case YachtCombination.Ones:
// Calculate the some of the current value.
return(Sum(dice, (int)stepType));
default:
throw new Exception("Cannot calculate Value for this dice");
}
}
/// <summary>
/// Calculate the score of the supplied dice according to a specified combination.
/// </summary>
/// <param name="combination">The score combination to consider when calculating the dice score.</param>
/// <param name="dice">An array of five dice. Some of the array members may be null.</param>
/// <returns>The combination score for the supplied dice.</returns>
public static byte CombinationScore(YachtCombination combination, Dice[] dice)
{
// Make sure the five dice are supplied
if (dice.Length != 5)
{
throw new ArgumentException("The array must contain five members", "dice");
}
// Sort the dice.
dice = (Dice[])dice.Clone();
Array.Sort(dice);
// Get the first and the last dice for calculation.
Dice first = First(dice);
Dice last = Last(dice);
switch (combination)
{
case YachtCombination.Yacht:
// If all dice are the same
if (first != null && last != null)
{
if (Times(dice, first.Value) == 5)
{
return(50);
}
}
return(0);
case YachtCombination.LargeStraight:
// Dice are 2-6
if (first != null && last != null)
{
if (CheckConsecutiveDice(dice) && last.Value == DiceValue.Six)
{
return(30);
}
}
return(0);
case YachtCombination.SmallStraight:
// Dice are 1-5
if (first != null && last != null)
{
if (CheckConsecutiveDice(dice) && last.Value == DiceValue.Five)
{
return(30);
}
}
return(0);
case YachtCombination.FourOfAKind:
// 4 dice are identical
if (first != null && last != null)
{
if (Times(dice, first.Value) >= 4 || Times(dice, last.Value) >= 4)
{
return(Sum(dice, null));
}
}
return(0);
case YachtCombination.FullHouse:
// There is a pair of identical dice, and all other dice have an identical yet different value
if (first != null && last != null)
{
if ((Times(dice, first.Value) == 3 && Times(dice, last.Value) == 2) ||
(Times(dice, first.Value) == 2 && Times(dice, last.Value) == 3))
{
return(Sum(dice, null));
}
}
return(0);
case YachtCombination.Choise:
return(Sum(dice, null));
case YachtCombination.Sixes:
case YachtCombination.Fives:
case YachtCombination.Fours:
case YachtCombination.Threes:
case YachtCombination.Twos:
case YachtCombination.Ones:
// Calculate the sum of the selected die faces.
return(Sum(dice, (DiceValue)(int)combination));
default:
throw new Exception("Cannot calculate Value for this combination.");
}
}