// 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.Linq; using NUnit.Framework; using osu.Framework.Utils; using osu.Game.Rulesets.Objects; using osu.Game.Rulesets.Osu.Objects; using osu.Game.Screens.Edit; using osuTK; using osuTK.Input; namespace osu.Game.Rulesets.Osu.Tests.Editor { public class TestSceneSliderStreamConversion : TestSceneOsuEditor { private BindableBeatDivisor beatDivisor => (BindableBeatDivisor)Editor.Dependencies.Get(typeof(BindableBeatDivisor)); [Test] public void TestSimpleConversion() { Slider slider = null; AddStep("select first slider", () => { slider = (Slider)EditorBeatmap.HitObjects.First(h => h is Slider); EditorClock.Seek(slider.StartTime); EditorBeatmap.SelectedHitObjects.Add(slider); }); convertToStream(); AddAssert("stream created", () => streamCreatedFor(slider, (time: 0, pathPosition: 0), (time: 0.25, pathPosition: 0.25), (time: 0.5, pathPosition: 0.5), (time: 0.75, pathPosition: 0.75), (time: 1, pathPosition: 1))); AddStep("undo", () => Editor.Undo()); AddAssert("slider restored", () => sliderRestored(slider)); AddStep("select first slider", () => { slider = (Slider)EditorBeatmap.HitObjects.First(h => h is Slider); EditorClock.Seek(slider.StartTime); EditorBeatmap.SelectedHitObjects.Add(slider); }); AddStep("change beat divisor", () => beatDivisor.Value = 8); convertToStream(); AddAssert("stream created", () => streamCreatedFor(slider, (time: 0, pathPosition: 0), (time: 0.125, pathPosition: 0.125), (time: 0.25, pathPosition: 0.25), (time: 0.375, pathPosition: 0.375), (time: 0.5, pathPosition: 0.5), (time: 0.625, pathPosition: 0.625), (time: 0.75, pathPosition: 0.75), (time: 0.875, pathPosition: 0.875), (time: 1, pathPosition: 1))); } [Test] public void TestConversionWithNonMatchingDivisor() { Slider slider = null; AddStep("select second slider", () => { slider = (Slider)EditorBeatmap.HitObjects.Where(h => h is Slider).ElementAt(1); EditorClock.Seek(slider.StartTime); EditorBeatmap.SelectedHitObjects.Add(slider); }); AddStep("change beat divisor", () => beatDivisor.Value = 3); convertToStream(); AddAssert("stream created", () => streamCreatedFor(slider, (time: 0, pathPosition: 0), (time: 2 / 3d, pathPosition: 2 / 3d))); } [Test] public void TestConversionWithRepeats() { Slider slider = null; AddStep("select first slider with repeats", () => { slider = (Slider)EditorBeatmap.HitObjects.First(h => h is Slider s && s.RepeatCount > 0); EditorClock.Seek(slider.StartTime); EditorBeatmap.SelectedHitObjects.Add(slider); }); AddStep("change beat divisor", () => beatDivisor.Value = 2); convertToStream(); AddAssert("stream created", () => streamCreatedFor(slider, (time: 0, pathPosition: 0), (time: 0.25, pathPosition: 0.5), (time: 0.5, pathPosition: 1), (time: 0.75, pathPosition: 0.5), (time: 1, pathPosition: 0))); } [Test] public void TestConversionPreservesSliderProperties() { Slider slider = null; AddStep("select second new-combo-starting slider", () => { slider = (Slider)EditorBeatmap.HitObjects.Where(h => h is Slider s && s.NewCombo).ElementAt(1); EditorClock.Seek(slider.StartTime); EditorBeatmap.SelectedHitObjects.Add(slider); }); convertToStream(); AddAssert("stream created", () => streamCreatedFor(slider, (time: 0, pathPosition: 0), (time: 0.25, pathPosition: 0.25), (time: 0.5, pathPosition: 0.5), (time: 0.75, pathPosition: 0.75), (time: 1, pathPosition: 1))); AddStep("undo", () => Editor.Undo()); AddAssert("slider restored", () => sliderRestored(slider)); } private void convertToStream() { AddStep("convert to stream", () => { InputManager.PressKey(Key.LControl); InputManager.PressKey(Key.LShift); InputManager.Key(Key.F); InputManager.ReleaseKey(Key.LShift); InputManager.ReleaseKey(Key.LControl); }); } private bool streamCreatedFor(Slider slider, params (double time, double pathPosition)[] expectedCircles) { if (EditorBeatmap.HitObjects.Contains(slider)) return false; foreach ((double expectedTime, double expectedPathPosition) in expectedCircles) { double time = slider.StartTime + slider.Duration * expectedTime; Vector2 position = slider.Position + slider.Path.PositionAt(expectedPathPosition); if (!EditorBeatmap.HitObjects.OfType<HitCircle>().Any(h => matches(h, time, position, slider.NewCombo && expectedTime == 0))) return false; } return true; bool matches(HitCircle circle, double time, Vector2 position, bool startsNewCombo) => Precision.AlmostEquals(circle.StartTime, time, 1) && Precision.AlmostEquals(circle.Position, position, 0.01f) && circle.NewCombo == startsNewCombo && circle.Samples.SequenceEqual(slider.HeadCircle.Samples) && circle.SampleControlPoint.IsRedundant(slider.SampleControlPoint); } private bool sliderRestored(Slider slider) { var objects = EditorBeatmap.HitObjects.Where(h => h.StartTime >= slider.StartTime && h.GetEndTime() <= slider.EndTime).ToList(); if (objects.Count > 1) return false; var hitObject = objects.Single(); if (!(hitObject is Slider restoredSlider)) return false; return Precision.AlmostEquals(slider.StartTime, restoredSlider.StartTime) && Precision.AlmostEquals(slider.GetEndTime(), restoredSlider.GetEndTime()) && Precision.AlmostEquals(slider.Position, restoredSlider.Position, 0.01f) && Precision.AlmostEquals(slider.EndPosition, restoredSlider.EndPosition, 0.01f); } } }