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osu.Game/Overlays/ChangelogOverlay.cs

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+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using OpenTK;
+using OpenTK.Graphics;
+using osu.Framework.Extensions.Color4Extensions;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Shapes;
+using osu.Game.Graphics;
+using osu.Game.Graphics.Containers;
+using osu.Game.Graphics.Sprites;
+using osu.Game.Overlays.Changelog;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace osu.Game.Overlays
+{
+    public class ChangelogOverlay : WaveOverlayContainer
+    {
+        private readonly ScrollContainer scroll;
+
+        public ChangelogHeader header;
+
+        public ChangelogOverlay()
+        {
+            Waves.FirstWaveColour = OsuColour.Gray(0.4f);
+            Waves.SecondWaveColour = OsuColour.Gray(0.3f);
+            Waves.ThirdWaveColour = OsuColour.Gray(0.2f);
+            Waves.FourthWaveColour = OsuColour.Gray(0.1f);
+
+            Anchor = Anchor.TopCentre;
+            Origin = Anchor.TopCentre;
+            RelativeSizeAxes = Axes.Both;
+            Width = 0.85f;
+
+            Masking = true;
+            EdgeEffect = new EdgeEffectParameters
+            {
+                Colour = Color4.Black.Opacity(0),
+                Type = EdgeEffectType.Shadow,
+                Radius = 3,
+                Offset = new Vector2(0f, 1f),
+            };
+
+            Children = new Drawable[]
+            {
+                new Box
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Colour = new Color4(20, 18, 23, 255)
+                },
+                scroll = new ScrollContainer
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    ScrollbarVisible = false,
+                    Child = new ReverseChildIDFillFlowContainer<Drawable>
+                    {
+                        RelativeSizeAxes = Axes.X,
+                        AutoSizeAxes = Axes.Y,
+                        Direction = FillDirection.Vertical,
+                        Children = new Drawable[]
+                        {
+                            header = new ChangelogHeader(),
+                        },
+                    },
+                },
+            };
+        }
+
+        // receive input outside our bounds so we can trigger a close event on ourselves.
+        public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => true;
+
+        protected override void PopIn()
+        {
+            base.PopIn();
+            FadeEdgeEffectTo(0.25f, WaveContainer.APPEAR_DURATION, Easing.In);
+        }
+
+        protected override void PopOut()
+        {
+            base.PopOut();
+            FadeEdgeEffectTo(0, WaveContainer.DISAPPEAR_DURATION, Easing.Out);
+        }
+    }
+}