2019-01-24 16:43:03 +08:00
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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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2018-04-13 17:19:50 +08:00
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using osu.Game.Beatmaps;
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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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2018-11-20 15:51:59 +08:00
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using osuTK;
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2018-05-25 18:11:29 +08:00
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using osu.Game.Rulesets.Catch.MathUtils;
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2018-04-13 17:19:50 +08:00
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namespace osu.Game.Rulesets.Catch.Beatmaps
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{
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2018-04-19 21:04:12 +08:00
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public class CatchBeatmapProcessor : BeatmapProcessor
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2018-04-13 17:19:50 +08:00
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{
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2018-06-29 11:45:48 +08:00
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public const int RNG_SEED = 1337;
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2018-04-19 21:04:12 +08:00
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public CatchBeatmapProcessor(IBeatmap beatmap)
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: base(beatmap)
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2018-04-13 17:19:50 +08:00
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{
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2018-04-19 21:04:12 +08:00
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}
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2018-06-29 11:45:48 +08:00
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public override void PostProcess()
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{
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2018-04-19 21:04:12 +08:00
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base.PostProcess();
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2018-04-13 17:19:50 +08:00
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2018-06-29 11:45:48 +08:00
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applyPositionOffsets();
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2018-06-29 12:52:13 +08:00
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initialiseHyperDash((List<CatchHitObject>)Beatmap.HitObjects);
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2018-04-13 17:19:50 +08:00
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int index = 0;
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2018-04-19 21:04:12 +08:00
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foreach (var obj in Beatmap.HitObjects.OfType<CatchHitObject>())
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{
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obj.IndexInBeatmap = index++;
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2018-06-26 19:13:55 +08:00
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if (obj.LastInCombo && obj.NestedHitObjects.LastOrDefault() is IHasComboInformation lastNested)
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lastNested.LastInCombo = true;
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}
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2018-04-13 17:19:50 +08:00
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}
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2018-06-13 19:11:27 +08:00
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private void applyPositionOffsets()
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{
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var rng = new FastRandom(RNG_SEED);
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// todo: HardRock displacement should be applied here
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foreach (var obj in Beatmap.HitObjects)
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{
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switch (obj)
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{
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case BananaShower bananaShower:
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foreach (var banana in bananaShower.NestedHitObjects.OfType<Banana>())
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{
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banana.X = (float)rng.NextDouble();
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2018-06-13 17:39:26 +08:00
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rng.Next(); // osu!stable retrieved a random banana type
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rng.Next(); // osu!stable retrieved a random banana rotation
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2018-06-13 20:10:54 +08:00
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rng.Next(); // osu!stable retrieved a random banana colour
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2018-05-25 18:11:29 +08:00
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}
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2019-02-28 12:31:40 +08:00
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2018-05-25 18:11:29 +08:00
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break;
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case JuiceStream juiceStream:
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foreach (var nested in juiceStream.NestedHitObjects)
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{
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var hitObject = (CatchHitObject)nested;
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if (hitObject is TinyDroplet)
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hitObject.X += rng.Next(-20, 20) / CatchPlayfield.BASE_WIDTH;
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else if (hitObject is Droplet)
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rng.Next(); // osu!stable retrieved a random droplet rotation
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hitObject.X = MathHelper.Clamp(hitObject.X, 0, 1);
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}
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2019-02-28 12:31:40 +08:00
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2018-05-25 18:11:29 +08:00
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break;
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}
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}
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}
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2018-04-13 17:19:50 +08:00
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private void initialiseHyperDash(List<CatchHitObject> objects)
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{
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List<CatchHitObject> objectWithDroplets = new List<CatchHitObject>();
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2018-09-13 01:48:35 +08:00
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foreach (var currentObject in objects)
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{
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2018-09-13 01:48:35 +08:00
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if (currentObject is Fruit)
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objectWithDroplets.Add(currentObject);
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if (currentObject is JuiceStream)
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foreach (var currentJuiceElement in currentObject.NestedHitObjects)
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if (!(currentJuiceElement is TinyDroplet))
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objectWithDroplets.Add((CatchHitObject)currentJuiceElement);
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}
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2018-04-13 17:19:50 +08:00
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2018-09-13 23:15:46 +08:00
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objectWithDroplets.Sort((h1, h2) => h1.StartTime.CompareTo(h2.StartTime));
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2018-09-13 23:01:33 +08:00
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double halfCatcherWidth = CatcherArea.GetCatcherSize(Beatmap.BeatmapInfo.BaseDifficulty) / 2;
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2018-09-13 01:48:35 +08:00
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int lastDirection = 0;
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double lastExcess = halfCatcherWidth;
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2018-04-13 17:19:50 +08:00
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2018-09-13 01:48:35 +08:00
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for (int i = 0; i < objectWithDroplets.Count - 1; i++)
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{
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CatchHitObject currentObject = objectWithDroplets[i];
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CatchHitObject nextObject = objectWithDroplets[i + 1];
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2018-04-13 17:19:50 +08:00
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int thisDirection = nextObject.X > currentObject.X ? 1 : -1;
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2019-03-03 19:21:39 +08:00
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double timeToNext = nextObject.StartTime - currentObject.StartTime - 1000f / 60f / 4; // 1/4th of a frame of grace time, taken from osu-stable
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2018-04-13 17:19:50 +08:00
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double distanceToNext = Math.Abs(nextObject.X - currentObject.X) - (lastDirection == thisDirection ? lastExcess : halfCatcherWidth);
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2018-09-13 01:48:35 +08:00
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float distanceToHyper = (float)(timeToNext * CatcherArea.Catcher.BASE_SPEED - distanceToNext);
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if (distanceToHyper < 0)
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2018-04-13 17:19:50 +08:00
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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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2018-09-13 01:48:35 +08:00
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currentObject.DistanceToHyperDash = distanceToHyper;
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lastExcess = MathHelper.Clamp(distanceToHyper, 0, halfCatcherWidth);
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2018-04-13 17:19:50 +08:00
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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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