Move play modes to their own projects.

osu.Game.Modes.Catch/UI/CatchComboCounter.cs

@@ -0,0 +1,65 @@
+//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.Game.Modes.Osu.UI;
+using OpenTK.Graphics;
+
+namespace osu.Game.Modes.Catch.UI
+{
+    /// <summary>
+    /// Similar to Standard, but without the 'x' and has tinted pop-ups. Used in osu!catch.
+    /// </summary>
+    public class CatchComboCounter : OsuComboCounter
+    {
+        protected override bool CanPopOutWhileRolling => true;
+
+        protected virtual double FadeOutDelay => 1000;
+        protected override double FadeOutDuration => 300;
+
+        protected override string FormatCount(ulong count)
+        {
+            return $@"{count:#,0}";
+        }
+
+        private void animateFade()
+        {
+            Show();
+            Delay(FadeOutDelay);
+            FadeOut(FadeOutDuration);
+            DelayReset();
+        }
+
+        protected override void OnCountChange(ulong currentValue, ulong newValue)
+        {
+            if (newValue != 0)
+                animateFade();
+            base.OnCountChange(currentValue, newValue);
+        }
+
+        protected override void OnCountRolling(ulong currentValue, ulong newValue)
+        {
+            if (!IsRolling)
+            {
+                PopOutSpriteText.Colour = DisplayedCountSpriteText.Colour;
+                FadeOut(FadeOutDuration);
+            }
+            base.OnCountRolling(currentValue, newValue);
+        }
+
+        protected override void OnCountIncrement(ulong currentValue, ulong newValue)
+        {
+            animateFade();
+            base.OnCountIncrement(currentValue, newValue);
+        }
+
+        /// <summary>
+        /// Increaces counter and tints pop-out before animation.
+        /// </summary>
+        /// <param name="colour">Last grabbed fruit colour.</param>
+        public void CatchFruit(Color4 colour)
+        {
+            PopOutSpriteText.Colour = colour;
+            Count++;
+        }
+    }
+}