fixup! [R] 将SflList和ClockCount移动到BaseChart内，从而方便音击复用。

Author: Starrah

chart/BaseChart.cs

@@ -106,6 +106,9 @@ public virtual void Sort()
         BpmList.AddRange(sortedBpms);
 
         MetList = MetList.OrderBy(x => x.Time).ToList();
+        SflList = SflList.OrderBy(x => x.Time).ToList();
+        if (ExplicitClocks != null) ExplicitClocks = ExplicitClocks.Order().ToList();
+        
         Notes = SortNotes().ToList(); // LINQ OrderBy 是稳定排序
     }
 
@@ -136,6 +139,12 @@ public virtual void Shift(Rational offset, decimal? bpm = null)
             .Skip(MetList.Count(x => x.Time <= 0) - 1)
             .Select((x, i) => i == 0 ? x with { Time = 0 } : x).ToList();
 
+        // 对SflList和ExplicitClocks的处理：加上offset后，只保留>=0的项
+        SflList = SflList.Select(x => x with { Time = x.Time + offset })
+            .Where(x => x.Time >= 0).ToList();
+        if (ExplicitClocks != null) 
+            ExplicitClocks = ExplicitClocks.Select(x => x + offset).Where(x => x >= 0).ToList();
+        
         // Notes，时间加上offset，但注意需要对children进行递归操作
         HashSet<BaseNote> processed = [];
         Notes = Notes.Where(x => addOffset(x).Time >= 0).ToList();