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Merge pull request #13783 from smoogipoo/smooth-auto-gen

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Make osu! auto generator interpolate during key-up frames
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Dean Herbert 2021-07-06 15:04:40 +09:00 committed by GitHub
commit d07c469a89
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1 changed files with 29 additions and 13 deletions
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42
osu.Game.Rulesets.Osu/Replays/OsuAutoGenerator.cs
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@ -233,35 +233,43 @@ namespace osu.Game.Rulesets.Osu.Replays
// Wait until Auto could "see and react" to the next note.
double waitTime = h.StartTime - Math.Max(0.0, h.TimePreempt - getReactionTime(h.StartTime - h.TimePreempt));
bool hasWaited = false;
if (waitTime > lastFrame.Time)
{
lastFrame = new OsuReplayFrame(waitTime, lastFrame.Position) { Actions = lastFrame.Actions };
hasWaited = true;
AddFrameToReplay(lastFrame);
}
Vector2 lastPosition = lastFrame.Position;
double timeDifference = ApplyModsToTimeDelta(lastFrame.Time, h.StartTime);
OsuReplayFrame lastLastFrame = Frames.Count >= 2 ? (OsuReplayFrame)Frames[^2] : null;
// Only "snap" to hitcircles if they are far enough apart. As the time between hitcircles gets shorter the snapping threshold goes up.
if (timeDifference > 0 && // Sanity checks
((lastPosition - targetPos).Length > h.Radius * (1.5 + 100.0 / timeDifference) || // Either the distance is big enough
timeDifference >= 266)) // ... or the beats are slow enough to tap anyway.
if (timeDifference > 0)
{
// Perform eased movement
// If the last frame is a key-up frame and there has been no wait period, adjust the last frame's position such that it begins eased movement instantaneously.
if (lastLastFrame != null && lastFrame is OsuKeyUpReplayFrame && !hasWaited)
{
// [lastLastFrame] ... [lastFrame] ... [current frame]
// We want to find the cursor position at lastFrame, so interpolate between lastLastFrame and the new target position.
lastFrame.Position = Interpolation.ValueAt(lastFrame.Time, lastFrame.Position, targetPos, lastLastFrame.Time, h.StartTime, easing);
}
Vector2 lastPosition = lastFrame.Position;
// Perform the rest of the eased movement until the target position is reached.
for (double time = lastFrame.Time + GetFrameDelay(lastFrame.Time); time < h.StartTime; time += GetFrameDelay(time))
{
Vector2 currentPosition = Interpolation.ValueAt(time, lastPosition, targetPos, lastFrame.Time, h.StartTime, easing);
AddFrameToReplay(new OsuReplayFrame((int)time, new Vector2(currentPosition.X, currentPosition.Y)) { Actions = lastFrame.Actions });
}
}
buttonIndex = 0;
}
else
{
// Start alternating once the time separation is too small (faster than ~225BPM).
if (timeDifference > 0 && timeDifference < 266)
buttonIndex++;
}
else
buttonIndex = 0;
}
/// <summary>
@ -284,7 +292,7 @@ namespace osu.Game.Rulesets.Osu.Replays
// TODO: Why do we delay 1 ms if the object is a spinner? There already is KEY_UP_DELAY from hEndTime.
double hEndTime = h.GetEndTime() + KEY_UP_DELAY;
int endDelay = h is Spinner ? 1 : 0;
var endFrame = new OsuReplayFrame(hEndTime + endDelay, new Vector2(h.StackedEndPosition.X, h.StackedEndPosition.Y));
var endFrame = new OsuKeyUpReplayFrame(hEndTime + endDelay, new Vector2(h.StackedEndPosition.X, h.StackedEndPosition.Y));
// Decrement because we want the previous frame, not the next one
int index = FindInsertionIndex(startFrame) - 1;
@ -381,5 +389,13 @@ namespace osu.Game.Rulesets.Osu.Replays
}
#endregion
private class OsuKeyUpReplayFrame : OsuReplayFrame
{
public OsuKeyUpReplayFrame(double time, Vector2 position)
: base(time, position)
{
}
}
}
}