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Partially revert the changes of CurrentFrame and NextFrame for compatibility

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Making those always non-null is postponed as when a replay's frame contains keypress the behavior is changed.
Previously, the key is pressed at the time of the first frame. But using non-null frames means the key is pressed at negative infinity.
However, I think the new way of always using non-null frames makes the client code so I plan to bundle the change to more breaking changes.
This commit is contained in:
ekrctb
2021-04-13 15:55:23 +09:00
parent d0f30b7b42
commit 57ba7b7cbb
2 changed files with 16 additions and 15 deletions
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9
osu.Game/Rulesets/Replays/FramedReplayInputHandler.cs
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@ -30,6 +30,7 @@ namespace osu.Game.Rulesets.Replays
/// The current frame of the replay.
/// The current time is always between the start and the end time of the current frame.
/// </summary>
/// <remarks>Returns null if the current time is strictly before the first frame.</remarks>
/// <exception cref="InvalidOperationException">The replay is empty.</exception>
public TFrame CurrentFrame
{
@ -38,15 +39,15 @@ namespace osu.Game.Rulesets.Replays
if (!HasFrames)
throw new InvalidOperationException($"Attempted to get {nameof(CurrentFrame)} of an empty replay");
return (TFrame)Frames[Math.Max(0, currentFrameIndex)];
return currentFrameIndex == -1 ? null : (TFrame)Frames[currentFrameIndex];
}
}
/// <summary>
/// The next frame of the replay.
/// The start time is always greater or equal to the start time of <see cref="CurrentFrame"/> regardless of the seeking direction.
/// If it is before the first frame of the replay or the after the last frame of the replay, <see cref="CurrentFrame"/> and <see cref="NextFrame"/> agree.
/// </summary>
/// <remarks>Returns null if the current frame is the last frame.</remarks>
/// <exception cref="InvalidOperationException">The replay is empty.</exception>
public TFrame NextFrame
{
@ -55,7 +56,7 @@ namespace osu.Game.Rulesets.Replays
if (!HasFrames)
throw new InvalidOperationException($"Attempted to get {nameof(NextFrame)} of an empty replay");
return (TFrame)Frames[Math.Min(currentFrameIndex + 1, Frames.Count - 1)];
return currentFrameIndex == Frames.Count - 1 ? null : (TFrame)Frames[currentFrameIndex + 1];
}
}
@ -96,7 +97,7 @@ namespace osu.Game.Rulesets.Replays
{
get
{
if (!HasFrames || !FrameAccuratePlayback)
if (!HasFrames || !FrameAccuratePlayback || CurrentFrame == null)
return false;
return IsImportant(CurrentFrame) && // a button is in a pressed state