添加对 Core 的直接引用

RhythmBaseCore/Events/AddFreeTimeBeat.cs

@@ -0,0 +1,31 @@
+using System.Diagnostics;
+
+namespace RhythmBase.Events
+{
+	/// <summary>
+	/// Represents an event to add a free time beat.
+	/// </summary>
+	[DebuggerDisplay($"{{{nameof(GetDebuggerDisplay)}(),nq}}")]
+	public class AddFreeTimeBeat : BaseBeat
+	{
+		/// <summary>
+		/// Initializes a new instance of the <see cref="AddFreeTimeBeat"/> class.
+		/// </summary>
+		public AddFreeTimeBeat() { }
+
+		/// <summary>
+		/// Gets or sets the hold duration of the beat.
+		/// </summary>
+		public float Hold { get; set; }
+
+		/// <summary>
+		/// Gets or sets the pulse value of the beat.
+		/// </summary>
+		public byte Pulse { get; set; }
+		/// <inheritdoc/>
+		public override EventType Type { get; } = EventType.AddFreeTimeBeat;
+		/// <inheritdoc/>
+		public override string ToString() => base.ToString() + $" {(Pulse + 1)}";
+		private string GetDebuggerDisplay() => ToString();
+	}
+}