Add PointsInSegment method

osu.Game/Rulesets/Objects/SliderPath.cs

@@ -156,6 +156,38 @@ namespace osu.Game.Rulesets.Objects
             return interpolateVertices(indexOfDistance(d), d);
         }
 
+        /// <summary>
+        /// Returns the control points belonging to the same segment as the one given.
+        /// The first point has a PathType which all other points inherit.
+        /// </summary>
+        /// <param name="controlPoint">One of the control points in the segment.</param>
+        /// <returns></returns>
+        public List<PathControlPoint> PointsInSegment(PathControlPoint controlPoint)
+        {
+            bool found = false;
+            List<PathControlPoint> pointsInCurrentSegment = new List<PathControlPoint>();
+            foreach (PathControlPoint point in ControlPoints)
+            {
+                if (point.Type.Value is PathType)
+                {
+                    if (!found)
+                        pointsInCurrentSegment.Clear();
+                    else
+                    {
+                        pointsInCurrentSegment.Add(point);
+                        break;
+                    }
+                }
+
+                pointsInCurrentSegment.Add(point);
+
+                if (point == controlPoint)
+                    found = true;
+            }
+
+            return pointsInCurrentSegment;
+        }
+
         private void invalidate()
         {
             pathCache.Invalidate();