Merge branch 'master' into update-loop-logic

osu.Desktop.VisualTests/Tests/TestCaseBeatSyncedContainer.cs

@@ -0,0 +1,193 @@
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Testing;
+using osu.Framework.Graphics;
+using osu.Framework.Timing;
+using osu.Game.Overlays;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Graphics.Containers;
+using osu.Framework.Audio.Track;
+using osu.Game.Beatmaps.ControlPoints;
+using osu.Framework.Graphics.Shapes;
+using OpenTK.Graphics;
+using osu.Game.Graphics.Sprites;
+using osu.Framework.Lists;
+using System;
+using osu.Framework.Extensions.Color4Extensions;
+
+namespace osu.Desktop.VisualTests.Tests
+{
+    internal class TestCaseBeatSyncedContainer : TestCase
+    {
+        public override string Description => @"Tests beat synced containers.";
+
+        private readonly MusicController mc;
+
+        public TestCaseBeatSyncedContainer()
+        {
+            Clock = new FramedClock();
+            Clock.ProcessFrame();
+
+            Add(new BeatContainer
+            {
+                Anchor = Anchor.BottomCentre,
+                Origin = Anchor.BottomCentre,
+            });
+
+            Add(mc = new MusicController
+            {
+                Origin = Anchor.TopRight,
+                Anchor = Anchor.TopRight,
+            });
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+            mc.ToggleVisibility();
+        }
+
+        private class BeatContainer : BeatSyncedContainer
+        {
+            private const int flash_layer_heigth = 150;
+
+            private readonly InfoString timingPointCount;
+            private readonly InfoString currentTimingPoint;
+            private readonly InfoString beatCount;
+            private readonly InfoString currentBeat;
+            private readonly InfoString beatsPerMinute;
+            private readonly InfoString adjustedBeatLength;
+
+            private readonly Box flashLayer;
+
+            public BeatContainer()
+            {
+                RelativeSizeAxes = Axes.X;
+                AutoSizeAxes = Axes.Y;
+                Children = new Drawable[]
+                {
+                    new Container
+                    {
+                        Name = @"Info Layer",
+                        Anchor = Anchor.BottomLeft,
+                        Origin = Anchor.BottomLeft,
+                        AutoSizeAxes = Axes.Both,
+                        Margin = new MarginPadding { Bottom = flash_layer_heigth },
+                        Children = new Drawable[]
+                        {
+                            new Box
+                            {
+                                RelativeSizeAxes = Axes.Both,
+                                Colour = Color4.Black.Opacity(150),
+                            },
+                            new FillFlowContainer
+                            {
+                                Anchor = Anchor.BottomLeft,
+                                Origin = Anchor.BottomLeft,
+                                AutoSizeAxes = Axes.Both,
+                                Direction = FillDirection.Vertical,
+                                Children = new Drawable[]
+                                {
+                                    timingPointCount = new InfoString(@"Timing points amount"),
+                                    currentTimingPoint = new InfoString(@"Current timing point"),
+                                    beatCount = new InfoString(@"Beats amount (in the current timing point)"),
+                                    currentBeat = new InfoString(@"Current beat"),
+                                    beatsPerMinute = new InfoString(@"BPM"),
+                                    adjustedBeatLength = new InfoString(@"Adjusted beat length"),
+                                }
+                            }
+                        }
+                    },
+                    new Container
+                    {
+                        Name = @"Color indicator",
+                        Anchor = Anchor.BottomCentre,
+                        Origin = Anchor.BottomCentre,
+                        RelativeSizeAxes = Axes.X,
+                        Height = flash_layer_heigth,
+                        Children = new Drawable[]
+                        {
+                            new Box
+                            {
+                                RelativeSizeAxes = Axes.Both,
+                                Colour = Color4.Black,
+                            },
+                            flashLayer = new Box
+                            {
+                                RelativeSizeAxes = Axes.Both,
+                                Colour = Color4.White,
+                                Alpha = 0,
+                            }
+                        }
+                    }
+                };
+
+                Beatmap.ValueChanged += delegate
+                {
+                    timingPointCount.Value = 0;
+                    currentTimingPoint.Value = 0;
+                    beatCount.Value = 0;
+                    currentBeat.Value = 0;
+                    beatsPerMinute.Value = 0;
+                    adjustedBeatLength.Value = 0;
+                };
+            }
+
+            private SortedList<TimingControlPoint> timingPoints => Beatmap.Value.Beatmap.ControlPointInfo.TimingPoints;
+            private TimingControlPoint getNextTimingPoint(TimingControlPoint current)
+            {
+                if (timingPoints[timingPoints.Count - 1] == current)
+                    return current;
+
+                return timingPoints[timingPoints.IndexOf(current) + 1];
+            }
+
+            private int calculateBeatCount(TimingControlPoint current)
+            {
+                if (timingPoints[timingPoints.Count - 1] == current)
+                    return (int)Math.Ceiling((Beatmap.Value.Track.Length - current.Time) / current.BeatLength);
+
+                return (int)Math.Ceiling((getNextTimingPoint(current).Time - current.Time) / current.BeatLength);
+            }
+
+            protected override void OnNewBeat(int beatIndex, TimingControlPoint timingPoint, EffectControlPoint effectPoint, TrackAmplitudes amplitudes)
+            {
+                base.OnNewBeat(beatIndex, timingPoint, effectPoint, amplitudes);
+
+                timingPointCount.Value = timingPoints.Count;
+                currentTimingPoint.Value = timingPoints.IndexOf(timingPoint);
+                beatCount.Value = calculateBeatCount(timingPoint);
+                currentBeat.Value = beatIndex;
+                beatsPerMinute.Value = 60000 / timingPoint.BeatLength;
+                adjustedBeatLength.Value = timingPoint.BeatLength;
+
+                flashLayer.ClearTransforms();
+                flashLayer.FadeTo(1);
+                flashLayer.FadeTo(0, timingPoint.BeatLength);
+            }
+        }
+
+        private class InfoString : FillFlowContainer
+        {
+            private const int text_size = 20;
+            private const int margin = 7;
+
+            private readonly OsuSpriteText valueText;
+
+            public double Value
+            {
+                set { valueText.Text = $"{value:G}"; }
+            }
+
+            public InfoString(string header)
+            {
+                AutoSizeAxes = Axes.Both;
+                Direction = FillDirection.Horizontal;
+                Add(new OsuSpriteText { Text = header + @": ", TextSize = text_size });
+                Add(valueText = new OsuSpriteText() { TextSize = text_size });
+                Margin = new MarginPadding(margin);
+            }
+        }
+    }
+}

osu.Desktop.VisualTests/osu.Desktop.VisualTests.csproj

@@ -187,6 +187,7 @@
   <ItemGroup>
     <Compile Include="AutomatedVisualTestGame.cs" />
     <Compile Include="Program.cs" />
+    <Compile Include="Tests\TestCaseBeatSyncedContainer.cs" />
     <Compile Include="Tests\TestCaseChatDisplay.cs" />
     <Compile Include="Tests\TestCaseBeatmapDetails.cs" />
     <Compile Include="Tests\TestCaseContextMenu.cs" />