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Add initial frame

This commit is contained in:
smoogipooo 2017-09-12 16:10:31 +09:00
parent a1baefe20e
commit a7b93822d7
1 changed files with 46 additions and 1 deletions
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47
osu.Game.Rulesets.Mania/Replays/ManiaAutoGenerator.cs
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@ -29,6 +29,9 @@ public ManiaAutoGenerator(Beatmap<ManiaHitObject> beatmap, int availableColumns)
public override Replay Generate()
{
// Todo: Realistically this shouldn't be needed, but the first frame is skipped with the way replays are currently handled
Replay.Frames.Add(new ReplayFrame(-100000, null, null, ReplayButtonState.None));
double[] holdEndTimes = new double[availableColumns];
for (int i = 0; i < availableColumns; i++)
holdEndTimes[i] = double.NegativeInfinity;
@ -78,11 +81,53 @@ public override Replay Generate()
Replay.Frames = Replay.Frames
// Pick the maximum activeColumns for all frames at the same time
.GroupBy(f => f.Time)
.Select(g => new ReplayFrame(g.First().Time, g.Max(gf => gf.MouseX), 0, ReplayButtonState.None))
.Select(g => new ReplayFrame(g.First().Time, maxMouseX(g), 0, ReplayButtonState.None))
// The addition of release frames above maybe result in unordered frames, but we need them ordered
.OrderBy(f => f.Time)
.ToList();
return Replay;
}
/// <summary>
/// Finds the maximum <see cref="ReplayFrame.MouseX"/> by count of bits from a grouping of <see cref="ReplayFrame"/>s.
/// </summary>
/// <param name="group">The <see cref="ReplayFrame"/> grouping to search.</param>
/// <returns>The maximum <see cref="ReplayFrame.MouseX"/> by count of bits.</returns>
private float maxMouseX(IGrouping<double, ReplayFrame> group)
{
int currentCount = -1;
int currentMax = 0;
foreach (var val in group)
{
int newCount = countBits((int)(val.MouseX ?? 0));
if (newCount > currentCount)
{
currentCount = newCount;
currentMax = (int)(val.MouseX ?? 0);
}
}
return currentMax;
}
/// <summary>
/// Counts the number of bits set in a value.
/// </summary>
/// <param name="value">The value to count.</param>
/// <returns>The number of set bits.</returns>
private int countBits(int value)
{
int count = 0;
while (value > 0)
{
if ((value & 1) > 0)
count++;
value >>= 1;
}
return count;
}
}
}