2018-01-05 19:21:19 +08:00
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// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
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2017-09-18 11:48:33 +08:00
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// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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2017-12-01 14:08:12 +08:00
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using System;
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2017-11-28 20:22:57 +08:00
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using System.Collections.Generic;
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2017-12-01 19:39:58 +08:00
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using System.Linq;
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2017-09-18 11:48:33 +08:00
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using osu.Game.Beatmaps;
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2017-09-15 19:54:34 +08:00
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using osu.Game.Rulesets.Catch.Objects;
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using osu.Game.Rulesets.Catch.UI;
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using osu.Game.Rulesets.Objects.Types;
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using OpenTK;
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2017-09-15 19:54:34 +08:00
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namespace osu.Game.Rulesets.Catch.Beatmaps
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{
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public class CatchBeatmapProcessor : BeatmapProcessor<CatchHitObject>
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{
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public override void PostProcess(Beatmap<CatchHitObject> beatmap)
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{
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initialiseHyperDash(beatmap.HitObjects);
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2018-03-20 14:45:40 +08:00
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base.PostProcess(beatmap);
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2018-03-20 14:45:40 +08:00
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int index = 0;
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foreach (var obj in beatmap.HitObjects)
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obj.IndexInBeatmap = index++;
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}
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private void initialiseHyperDash(List<CatchHitObject> objects)
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{
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// todo: add difficulty adjust.
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double halfCatcherWidth = CatcherArea.CATCHER_SIZE * (objects.FirstOrDefault()?.Scale ?? 1) / CatchPlayfield.BASE_WIDTH / 2;
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int lastDirection = 0;
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double lastExcess = halfCatcherWidth;
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int objCount = objects.Count;
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for (int i = 0; i < objCount - 1; i++)
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{
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CatchHitObject currentObject = objects[i];
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// not needed?
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// if (currentObject is TinyDroplet) continue;
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CatchHitObject nextObject = objects[i + 1];
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// while (nextObject is TinyDroplet)
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// {
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// if (++i == objCount - 1) break;
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// nextObject = objects[i + 1];
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// }
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int thisDirection = nextObject.X > currentObject.X ? 1 : -1;
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double timeToNext = nextObject.StartTime - ((currentObject as IHasEndTime)?.EndTime ?? currentObject.StartTime) - 4;
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double distanceToNext = Math.Abs(nextObject.X - currentObject.X) - (lastDirection == thisDirection ? lastExcess : halfCatcherWidth);
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if (timeToNext * CatcherArea.Catcher.BASE_SPEED < distanceToNext)
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{
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currentObject.HyperDashTarget = nextObject;
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lastExcess = halfCatcherWidth;
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}
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else
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{
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//currentObject.DistanceToHyperDash = timeToNext - distanceToNext;
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lastExcess = MathHelper.Clamp(timeToNext - distanceToNext, 0, halfCatcherWidth);
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}
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lastDirection = thisDirection;
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}
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}
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}
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}
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