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This commit is contained in:
Dean Herbert 2019-03-08 15:14:57 +09:00
parent 551380dd42
commit 973f29b765
3 changed files with 110 additions and 117 deletions
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3
osu.Game.Rulesets.Osu/Objects/Slider.cs
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@ -11,7 +11,6 @@ using osu.Framework.Caching;
using osu.Game.Audio;
using osu.Game.Beatmaps;
using osu.Game.Beatmaps.ControlPoints;
using osu.Game.Beatmaps.Formats;
using osu.Game.Rulesets.Judgements;
using osu.Game.Rulesets.Osu.Judgements;
@ -210,7 +209,7 @@ namespace osu.Game.Rulesets.Osu.Objects
RepeatIndex = e.SpanIndex,
SpanDuration = SpanDuration,
StartTime = StartTime + (e.SpanIndex + 1) * SpanDuration,
Position = Position + Path.PositionAt((e.SpanIndex + 1) % 2),
Position = Position + Path.PositionAt(e.PathProgress),
StackHeight = StackHeight,
Scale = Scale,
Samples = getNodeSamples(1 + e.SpanIndex)

115
osu.Game/Beatmaps/Formats/SliderEventGenerator.cs
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@ -1,115 +0,0 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Collections.Generic;
using osuTK;
namespace osu.Game.Beatmaps.Formats
{
public static class SliderEventGenerator
{
public static IEnumerable<SliderEventDescriptor> Generate(double startTime, double spanDuration, double velocity, double tickDistance, double totalDistance, int spanCount, double? legacyLastTickOffset)
{
List<SliderEventDescriptor> events = new List<SliderEventDescriptor>();
// A very lenient maximum length of a slider for ticks to be generated.
// This exists for edge cases such as /b/1573664 where the beatmap has been edited by the user, and should never be reached in normal usage.
const double max_length = 100000;
var length = Math.Min(max_length, totalDistance);
tickDistance = MathHelper.Clamp(tickDistance, 0, length);
{
var minDistanceFromEnd = velocity * 10;
events.Add(new SliderEventDescriptor
{
Type = SliderEventType.Head,
SpanIndex = 0,
SpanStartTime = startTime,
StartTime = startTime,
PathProgress = 0,
});
if (tickDistance != 0)
{
for (var span = 0; span < spanCount; span++)
{
var spanStartTime = startTime + span * spanDuration;
var reversed = span % 2 == 1;
for (var d = tickDistance; d <= length; d += tickDistance)
{
if (d > length - minDistanceFromEnd)
break;
var pathProgress = d / length;
var timeProgress = reversed ? 1 - pathProgress : pathProgress;
events.Add(new SliderEventDescriptor
{
Type = SliderEventType.Tick,
SpanIndex = span,
SpanStartTime = spanStartTime,
StartTime = spanStartTime + timeProgress * spanDuration,
PathProgress = pathProgress,
});
}
if (span < spanCount - 1)
{
events.Add(new SliderEventDescriptor
{
Type = SliderEventType.Repeat,
SpanIndex = span,
SpanStartTime = startTime + span * spanDuration,
StartTime = spanStartTime + (span + 1) * spanDuration,
PathProgress = 1,
});
}
}
}
double totalDuration = spanCount * spanDuration;
var tail = new SliderEventDescriptor
{
Type = SliderEventType.Tail,
SpanIndex = spanCount - 1,
SpanStartTime = startTime + (spanCount - 1) * spanDuration,
StartTime = startTime + totalDuration,
PathProgress = 1,
};
if (legacyLastTickOffset != null)
tail.StartTime = Math.Max(startTime + totalDuration / 2, tail.StartTime - legacyLastTickOffset.Value);
events.Add(tail);
return events;
}
}
}
public class SliderEventDescriptor
{
public SliderEventType Type;
public int SpanIndex;
public double SpanStartTime;
public double StartTime;
public double PathProgress;
}
public enum SliderEventType
{
Tick,
Head,
Tail,
Repeat
}
}

109
osu.Game/Rulesets/Objects/SliderEventGenerator.cs Normal file
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@ -0,0 +1,109 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Collections.Generic;
using osuTK;
namespace osu.Game.Rulesets.Objects
{
public static class SliderEventGenerator
{
public static IEnumerable<SliderEventDescriptor> Generate(double startTime, double spanDuration, double velocity, double tickDistance, double totalDistance, int spanCount, double? legacyLastTickOffset)
{
// A very lenient maximum length of a slider for ticks to be generated.
// This exists for edge cases such as /b/1573664 where the beatmap has been edited by the user, and should never be reached in normal usage.
const double max_length = 100000;
var length = Math.Min(max_length, totalDistance);
tickDistance = MathHelper.Clamp(tickDistance, 0, length);
var minDistanceFromEnd = velocity * 10;
yield return new SliderEventDescriptor
{
Type = SliderEventType.Head,
SpanIndex = 0,
SpanStartTime = startTime,
StartTime = startTime,
PathProgress = 0,
};
if (tickDistance != 0)
{
for (var span = 0; span < spanCount; span++)
{
var spanStartTime = startTime + span * spanDuration;
var reversed = span % 2 == 1;
for (var d = tickDistance; d <= length; d += tickDistance)
{
if (d > length - minDistanceFromEnd)
break;
var pathProgress = d / length;
var timeProgress = reversed ? 1 - pathProgress : pathProgress;
yield return new SliderEventDescriptor
{
Type = SliderEventType.Tick,
SpanIndex = span,
SpanStartTime = spanStartTime,
StartTime = spanStartTime + timeProgress * spanDuration,
PathProgress = pathProgress,
};
}
if (span < spanCount - 1)
{
yield return new SliderEventDescriptor
{
Type = SliderEventType.Repeat,
SpanIndex = span,
SpanStartTime = startTime + span * spanDuration,
StartTime = spanStartTime + (span + 1) * spanDuration,
PathProgress = (span + 1) % 2,
};
}
}
}
double totalDuration = spanCount * spanDuration;
var tail = new SliderEventDescriptor
{
Type = SliderEventType.Tail,
SpanIndex = spanCount - 1,
SpanStartTime = startTime + (spanCount - 1) * spanDuration,
StartTime = startTime + totalDuration,
PathProgress = 1,
};
if (legacyLastTickOffset != null)
tail.StartTime = Math.Max(startTime + totalDuration / 2, tail.StartTime - legacyLastTickOffset.Value);
yield return tail;
}
}
public struct SliderEventDescriptor
{
public SliderEventType Type;
public int SpanIndex;
public double SpanStartTime;
public double StartTime;
public double PathProgress;
}
public enum SliderEventType
{
Tick,
Head,
Tail,
Repeat
}
}