implement `LegacySongProgress`

2022-07-27 08:51:55 +08:00 · 2022-07-27 08:51:55 +08:00 · 6b0f3674c3
parent a7598c62ac
commit 6b0f3674c3
1 changed files with 101 additions and 0 deletions
--- a/osu.Game/Skinning/LegacySongProgress.cs
+++ b/osu.Game/Skinning/LegacySongProgress.cs
@ -0,0 +1,101 @@
+// 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.
+
+#nullable disable
+
+using System;
+using System.Linq;
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Graphics.UserInterface;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Objects;
+using osu.Game.Rulesets.UI;
+using osu.Game.Screens.Play;
+using osuTK;
+
+namespace osu.Game.Skinning
+{
+    public class LegacySongProgress : CompositeDrawable, ISkinnableDrawable
+    {
+        public bool UsesFixedAnchor { get; set; }
+
+        [Resolved]
+        private GameplayClock gameplayClock { get; set; }
+
+        [Resolved(canBeNull: true)]
+        private DrawableRuleset drawableRuleset { get; set; }
+
+        [Resolved(canBeNull: true)]
+        private IBindable<WorkingBeatmap> beatmap { get; set; }
+
+        private double lastHitTime;
+        private double firstHitTime;
+        private double firstEventTime;
+        private CircularProgress pie;
+
+        [BackgroundDependencyLoader]
+        private void load()
+        {
+            Size = new Vector2(35);
+
+            InternalChildren = new Drawable[]
+            {
+                pie = new CircularProgress
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Alpha = 0.5f,
+                },
+                new CircularContainer
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Masking = true,
+                    BorderColour = Colour4.White,
+                    BorderThickness = 2,
+                    Child = new Box
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        AlwaysPresent = true,
+                        Alpha = 0,
+                    }
+                },
+                new Circle
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    Colour = Colour4.White,
+                    Size = new Vector2(3),
+                }
+            };
+
+            firstEventTime = beatmap?.Value.Storyboard.EarliestEventTime ?? 0;
+            firstHitTime = drawableRuleset.Objects.First().StartTime;
+            lastHitTime = drawableRuleset.Objects.Last().GetEndTime() + 1;
+        }
+
+        protected override void Update()
+        {
+            base.Update();
+
+            double gameplayTime = gameplayClock?.CurrentTime ?? Time.Current;
+
+            if (gameplayTime < firstHitTime)
+            {
+                pie.Scale = new Vector2(-1, 1);
+                pie.Anchor = Anchor.TopRight;
+                pie.Colour = Colour4.LimeGreen;
+                pie.Current.Value = 1 - Math.Clamp((gameplayTime - firstEventTime) / (firstHitTime - firstEventTime), 0, 1);
+            }
+            else
+            {
+                pie.Scale = new Vector2(1);
+                pie.Anchor = Anchor.TopLeft;
+                pie.Colour = Colour4.White;
+                pie.Current.Value = Math.Clamp((gameplayTime - firstHitTime) / (lastHitTime - firstHitTime), 0, 1);
+            }
+        }
+    }
+}