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osu-lazer/osu.Game.Rulesets.Catch/Beatmaps/CatchBeatmapProcessor.cs
Dean Herbert 5c79bdc41c Use switch pattern matching in more places
Also switch access to many classes to public.

(cherry picked from commit 86cc3b7)
2018-01-12 18:33:41 +09:00

89 lines
3.1 KiB
C#

// 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<CatchHitObject>
{
public override void PostProcess(Beatmap<CatchHitObject> beatmap)
{
if (beatmap.ComboColors.Count == 0)
return;
int index = 0;
int colourIndex = 0;
CatchHitObject lastObj = null;
initialiseHyperDash(beatmap.HitObjects);
foreach (var obj in beatmap.HitObjects)
{
if (obj.NewCombo)
{
if (lastObj != null) lastObj.LastInCombo = true;
colourIndex = (colourIndex + 1) % beatmap.ComboColors.Count;
}
obj.IndexInBeatmap = index++;
obj.ComboColour = beatmap.ComboColors[colourIndex];
lastObj = obj;
}
}
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;
}
}
}
}