public Segment(
string name, Time pbSplitTime = default(Time),
Time bestSegmentTime = default(Time), Image icon = null,
Time splitTime = default(Time))
{
Comparisons = new CompositeComparisons();
Name = name;
PersonalBestSplitTime = pbSplitTime;
BestSegmentTime = bestSegmentTime;
SplitTime = splitTime;
Icon = icon;
SegmentHistory = new SegmentHistory();
}
// TODO some of the segment history is incorrect at times, most likely due to new splits being added or removed
void CalculateOdds()
{
ClearOdds();
int segmentIndex = 0;
IRun run = state.Run;
int startIndex = 0;
int endIndex = run.Count;
int previousAttempts = 0;
Time pbDelta = Time.Zero;
// Loop through every split
for (int i = startIndex; i < endIndex; i++)
{
SegmentHistory history = state.Run[i].SegmentHistory;
Time pbTime = state.Run[i].PersonalBestSplitTime;
var attempts = history.Keys;
// Something is wrong with the splits, due to adding new ones, etc, so just discount it.
if (attempts.Count > run.AttemptCount || attempts.Count > previousAttempts)
{
completeCurrentSplit.Add(1.0);
////previousAttempts = attempts.Count + previousAttempts; // Add onto the next one as they were not used in this calculation
}
else
{
if (i == 0)
{
// Chances of completeing current split
completeCurrentSplit.Add((Double)attempts.Count / run.AttemptCount);
}
else
{
// Chances of completeing current split
completeCurrentSplit.Add((Double)attempts.Count / previousAttempts);
}
}
int historySavedTime = 0;
// Calculate chances of saving time on current split
foreach (int attempt in attempts)
{
Time time;
bool success = history.TryGetValue(attempt, out time);
if (success && time.RealTime != null && time.RealTime.Value <= (pbTime - pbDelta).RealTime.Value)
{
// If the previous segment saved time
historySavedTime++;
}
}
pbDelta += pbTime;
if (attempts.Count > historySavedTime)
{
saveTimeCurrentSplit.Add(1.0);
previousAttempts = attempts.Count + historySavedTime; // Add onto the next one as they were not used in this calculation
}
else
{
// Store chances of saving time on current split
saveTimeCurrentSplit.Add((Double)historySavedTime / attempts.Count);
}
previousAttempts = attempts.Count;
segmentIndex++;
}
Double previousOdds = 1;
// Completing the run, combined probability of completing current individual splits.
for (int i = completeCurrentSplit.Count - 1; i >= 0; i--)
{
completeRun.Insert(0, previousOdds * completeCurrentSplit[i]);
previousOdds = previousOdds * completeCurrentSplit[i];
}
}
public static void AddSegment(this IRun run, string name, Time pbSplitTime = default(Time), Time bestSegmentTime = default(Time), Image icon = null, Time splitTime = default(Time), SegmentHistory segmentHistory = null)
{
var segment = new Segment(name, pbSplitTime, bestSegmentTime, icon, splitTime);
if (segmentHistory != null)
{
segment.SegmentHistory = segmentHistory;
}
run.Add(segment);
}
