1
0
mirror of https://github.com/ppy/osu.git synced 2024-12-16 06:23:20 +08:00
osu-lazer/osu.Game.Rulesets.Catch/Beatmaps/CatchBeatmapProcessor.cs

78 lines
2.6 KiB
C#
Raw Normal View History

2018-04-13 17:19:50 +08:00
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using System.Collections.Generic;
using System.Linq;
using osu.Game.Beatmaps;
using osu.Game.Rulesets.Catch.Objects;
using osu.Game.Rulesets.Catch.UI;
using osu.Game.Rulesets.Objects.Types;
using OpenTK;
namespace osu.Game.Rulesets.Catch.Beatmaps
{
public class CatchBeatmapProcessor : BeatmapProcessor
2018-04-13 17:19:50 +08:00
{
public CatchBeatmapProcessor(IBeatmap beatmap)
: base(beatmap)
2018-04-13 17:19:50 +08:00
{
}
public override void PostProcess()
{
initialiseHyperDash((List<CatchHitObject>)Beatmap.HitObjects);
2018-04-13 17:19:50 +08:00
base.PostProcess();
2018-04-13 17:19:50 +08:00
int index = 0;
foreach (var obj in Beatmap.HitObjects.OfType<CatchHitObject>())
2018-04-13 17:19:50 +08:00
obj.IndexInBeatmap = index++;
}
private void initialiseHyperDash(List<CatchHitObject> objects)
{
// todo: add difficulty adjust.
double halfCatcherWidth = CatcherArea.CATCHER_SIZE * (objects.FirstOrDefault()?.Scale ?? 1) / CatchPlayfield.BASE_WIDTH / 2;
int lastDirection = 0;
double lastExcess = halfCatcherWidth;
int objCount = objects.Count;
for (int i = 0; i < objCount - 1; i++)
{
CatchHitObject currentObject = objects[i];
// not needed?
// if (currentObject is TinyDroplet) continue;
CatchHitObject nextObject = objects[i + 1];
// while (nextObject is TinyDroplet)
// {
// if (++i == objCount - 1) break;
// nextObject = objects[i + 1];
// }
int thisDirection = nextObject.X > currentObject.X ? 1 : -1;
double timeToNext = nextObject.StartTime - ((currentObject as IHasEndTime)?.EndTime ?? currentObject.StartTime) - 4;
double distanceToNext = Math.Abs(nextObject.X - currentObject.X) - (lastDirection == thisDirection ? lastExcess : halfCatcherWidth);
if (timeToNext * CatcherArea.Catcher.BASE_SPEED < distanceToNext)
{
currentObject.HyperDashTarget = nextObject;
lastExcess = halfCatcherWidth;
}
else
{
//currentObject.DistanceToHyperDash = timeToNext - distanceToNext;
lastExcess = MathHelper.Clamp(timeToNext - distanceToNext, 0, halfCatcherWidth);
}
lastDirection = thisDirection;
}
}
}
}