public void Roll(int pins)
{
frame.Load(pins);
//special rule for last frame
if (frame.Number == maxFrameCount && (frame.IsStrike() || frame.IsSpare()))
{
frame.IncreaseThrowCount();
}
if (frame.IsStrike() || frame.ThrowCount() == frame.ThrowsPerFrame())
{
frame = AddFrames();
}
}
private int CalculateNormalFrame(int frameIndex, IFrame frame)
{
var totalFrameScore = frame.GetScore();
if (frame.IsStrike())
{
totalFrameScore = CalculateStrikeScore(frameIndex, totalFrameScore);
}
else if (frame.IsSpare())
{
totalFrameScore = CalculateSpareScore(frameIndex, totalFrameScore);
}
return(totalFrameScore);
}
public IFrameScorer GetScorer(IFrame frameToScore)
{
IFrameScorer frameScorer;
if (frameToScore.IsStrike())
{
frameScorer = new StrikeFrameScorer();
}
else if (frameToScore.IsSpare())
{
frameScorer = new SpareFrameScorer();
}
else
{
frameScorer = new NormalFrameScorer();
}
return(frameScorer);
}
public IFrameScorer GetScorer(IFrame frameToScore)
{
IFrameScorer frameScorer;
if(frameToScore.IsStrike())
{
frameScorer = new StrikeFrameScorer();
}
else if(frameToScore.IsSpare())
{
frameScorer = new SpareFrameScorer();
}
else
{
frameScorer = new NormalFrameScorer();
}
return frameScorer;
}
public int?ScoreFrame(IFrame frameToScore)
{
if (!frameToScore.IsStrike())
{
return(null);
}
var frameScore = frameToScore.TotalPins;
var subsequentFrame1 = frameToScore.NextFrame;
if (subsequentFrame1 == null || !subsequentFrame1.PinsWithBall1.HasValue)
{
return(frameScore);
}
var frame1Ball1Pins = subsequentFrame1.PinsWithBall1;
var frame1Ball2Pins = subsequentFrame1.PinsWithBall2;
frameScore += frame1Ball1Pins.Value;
var subsequentFrame2 = subsequentFrame1.NextFrame;
if (subsequentFrame2 == null)
{
return(frameScore);
}
var frame2Ball1Pins = subsequentFrame2.PinsWithBall1;
if (subsequentFrame1.IsStrike() && frame2Ball1Pins.HasValue)
{
frameScore += frame2Ball1Pins.Value;
}
else if (frame1Ball2Pins.HasValue)
{
frameScore += frame1Ball2Pins.Value;
}
return(frameScore);
}
public int? ScoreFrame(IFrame frameToScore)
{
if (!frameToScore.IsStrike())
{
return null;
}
var frameScore = frameToScore.TotalPins;
var subsequentFrame1 = frameToScore.NextFrame;
if (subsequentFrame1 == null || !subsequentFrame1.PinsWithBall1.HasValue)
{
return frameScore;
}
var frame1Ball1Pins = subsequentFrame1.PinsWithBall1;
var frame1Ball2Pins = subsequentFrame1.PinsWithBall2;
frameScore += frame1Ball1Pins.Value;
var subsequentFrame2 = subsequentFrame1.NextFrame;
if (subsequentFrame2 == null)
{
return frameScore;
}
var frame2Ball1Pins = subsequentFrame2.PinsWithBall1;
if (subsequentFrame1.IsStrike() && frame2Ball1Pins.HasValue)
{
frameScore += frame2Ball1Pins.Value;
}
else if (frame1Ball2Pins.HasValue)
{
frameScore += frame1Ball2Pins.Value;
}
return frameScore;
}