添加对 Core 的直接引用

RhythmBaseCore/Events/BaseBeatsPerMinute.cs

@@ -0,0 +1,68 @@
+using RhythmBase.Components;
+using RhythmBase.Extensions;
+namespace RhythmBase.Events
+{
+	/// <summary>
+	/// Represents the base class for events that have a beats per minute (BPM) value.
+	/// </summary>
+	public abstract class BaseBeatsPerMinute : BaseEvent
+	{
+		/// <summary>
+		/// Initializes a new instance of the <see cref="BaseBeatsPerMinute"/> class with a default BPM of 100.
+		/// </summary>
+		protected BaseBeatsPerMinute()
+		{
+			_bpm = Utils.Utils.DefaultBPM;
+		}
+
+		/// <summary>
+		/// Gets or sets the beat associated with this event.
+		/// </summary>
+		public override RDBeat Beat
+		{
+			get
+			{
+				return base.Beat;
+			}
+			set
+			{
+				base.Beat = value;
+				ResetTimeLine();
+			}
+		}
+
+		/// <summary>
+		/// Gets or sets the beats per minute (BPM) for this event.
+		/// </summary>
+		public virtual float BeatsPerMinute
+		{
+			get
+			{
+				return _bpm;
+			}
+			set
+			{
+				_bpm = value;
+				ResetTimeLine();
+			}
+		}
+
+		/// <summary>
+		/// Resets the timeline for all events in the same level that occur after this event.
+		/// </summary>
+		private void ResetTimeLine()
+		{
+			if (Beat.BaseLevel != null)
+			{
+				foreach (IBaseEvent item in from i in Beat.BaseLevel
+											where i.Beat > Beat
+											select i)
+				{
+					item.Beat.ResetBPM();
+				}
+			}
+		}
+
+		private float _bpm;
+	}
+}