Add QuaverChartConverter.

Assets/Extensions/Quaver.API/Maps/Structures/KeySoundInfo.cs

@@ -0,0 +1,47 @@
+using System;
+using System.Collections.Generic;
+
+namespace Quaver.API.Maps.Structures
+{
+    /// <summary>
+    ///     KeySounds property of hit objects.
+    /// </summary>
+    [Serializable]
+    public class KeySoundInfo
+    {
+        /// <summary>
+        ///     The one-based index of the sound sample in the CustomAudioSamples array.
+        /// </summary>
+        public int Sample { get; set; }
+
+        /// <summary>
+        ///     The volume of the sound sample. Defaults to 100.
+        /// </summary>
+        public int Volume { get; set; }
+
+        /// <summary>
+        ///     By-value comparer, auto-generated by Rider.
+        /// </summary>
+        private sealed class ByValueEqualityComparer : IEqualityComparer<KeySoundInfo>
+        {
+            public bool Equals(KeySoundInfo x, KeySoundInfo y)
+            {
+                if (ReferenceEquals(x, y)) return true;
+                if (ReferenceEquals(x, null)) return false;
+                if (ReferenceEquals(y, null)) return false;
+                if (x.GetType() != y.GetType()) return false;
+                return x.Sample == y.Sample && x.Volume == y.Volume;
+            }
+
+            public int GetHashCode(KeySoundInfo obj)
+            {
+                unchecked
+                {
+                    return (obj.Sample * 397) ^ obj.Volume;
+                }
+            }
+        }
+
+        public static IEqualityComparer<KeySoundInfo> ByValueComparer { get; } = new ByValueEqualityComparer();
+    }
+}