From 55a1a3827ad2b50e986f122962014054ba713085 Mon Sep 17 00:00:00 2001
From: Huo Yaoyuan <huoyaoyuan@hotmail.com>
Date: Fri, 23 Sep 2016 18:29:25 +0800
Subject: [PATCH] Implement KeyCounter and base Count class.

---
 osu.Game/Graphics/UserInterface/Counter.cs    | 74 +++++++++++++++++++
 osu.Game/Graphics/UserInterface/KeyCounter.cs | 17 +++++
 osu.Game/osu.Game.csproj                      |  2 +
 3 files changed, 93 insertions(+)
 create mode 100644 osu.Game/Graphics/UserInterface/Counter.cs
 create mode 100644 osu.Game/Graphics/UserInterface/KeyCounter.cs

diff --git a/osu.Game/Graphics/UserInterface/Counter.cs b/osu.Game/Graphics/UserInterface/Counter.cs
new file mode 100644
index 0000000000..fce5bf4ebf
--- /dev/null
+++ b/osu.Game/Graphics/UserInterface/Counter.cs
@@ -0,0 +1,74 @@
+//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
+//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Sprites;
+
+namespace osu.Game.Graphics.UserInterface
+{
+    abstract class Count : AutoSizeContainer
+    {
+        private Sprite buttonSprite;
+        private Sprite glowSprite;
+        private SpriteText keySpriteText;
+        private SpriteText countSpriteText;
+
+        public override string Name { get; }
+        public bool IsCounting { get; set; }
+        public int Counts { get; private set; }
+
+        private bool isLit;
+        public bool IsLit
+        {
+            get { return isLit; }
+            set
+            {
+                if (value && !isLit && IsCounting)
+                    Counts++;
+                isLit = value;
+            }
+        }
+
+        protected Count(string name)
+        {
+            Name = name;
+        }
+
+        public override void Load()
+        {
+            base.Load();
+            Children = new Drawable[]
+            {
+                buttonSprite = new Sprite
+                {
+                    Texture = Game.Textures.Get(@"KeyCounter/key-up"),
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    Children = new Drawable[]
+                    {
+                        glowSprite = new Sprite
+                        {
+                            Texture = Game.Textures.Get(@"KeyCounter/key-glow"),
+                            Anchor = Anchor.Centre,
+                            Origin = Anchor.Centre,
+                        }
+                    }
+                },
+                keySpriteText = new SpriteText
+                {
+                    Text = Name,
+                    Anchor = Anchor.TopCentre,
+                    Origin = Anchor.TopCentre
+                },
+                countSpriteText = new SpriteText
+                {
+                    Text = Counts.ToString(),
+                    Anchor = Anchor.BottomCentre,
+                    Origin = Anchor.BottomCentre
+                }
+            };
+            glowSprite.Hide();
+        }
+    }
+}
diff --git a/osu.Game/Graphics/UserInterface/KeyCounter.cs b/osu.Game/Graphics/UserInterface/KeyCounter.cs
new file mode 100644
index 0000000000..ecb3b133b4
--- /dev/null
+++ b/osu.Game/Graphics/UserInterface/KeyCounter.cs
@@ -0,0 +1,17 @@
+//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
+//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Framework.Graphics.Containers;
+
+namespace osu.Game.Graphics.UserInterface
+{
+    class KeyCounter : FlowContainer
+    {
+        public KeyCounter()
+        {
+            Direction = FlowDirection.HorizontalOnly;
+        }
+
+        public void AddKey(Count key) => base.Add(key);
+    }
+}
diff --git a/osu.Game/osu.Game.csproj b/osu.Game/osu.Game.csproj
index 34f7b3801b..5170aa2d57 100644
--- a/osu.Game/osu.Game.csproj
+++ b/osu.Game/osu.Game.csproj
@@ -53,6 +53,8 @@
     <Compile Include="Graphics\Containers\OsuLargeComponent.cs" />
     <Compile Include="Graphics\Processing\RatioAdjust.cs" />
     <Compile Include="Graphics\TextAwesome.cs" />
+    <Compile Include="Graphics\UserInterface\Counter.cs" />
+    <Compile Include="Graphics\UserInterface\KeyCounter.cs" />
     <Compile Include="Online\API\APIAccess.cs" />
     <Compile Include="Online\API\APIRequest.cs" />
     <Compile Include="Online\API\OAuth.cs" />