[optimize][serie] optimize index of serieData

Runtime/Helper/CheckHelper.cs

@@ -1,3 +1,4 @@
+using System.Collections.Generic;
 using System.Text;
 using UnityEngine;
 
@@ -67,26 +68,35 @@ namespace XCharts.Runtime
             // }
         }
 
-        private static void CheckLegend(BaseChart chart, StringBuilder sb)
-        { }
+        private static void CheckLegend(BaseChart chart, StringBuilder sb) { }
 
-        private static void CheckGrid(BaseChart chart, StringBuilder sb)
-        { }
+        private static void CheckGrid(BaseChart chart, StringBuilder sb) { }
 
         private static void CheckSerie(BaseChart chart, StringBuilder sb)
         {
             var allDataIsEmpty = true;
             var allDataIsZero = true;
             var allSerieIsHide = true;
+            var set = new HashSet<int>();
             foreach (var serie in chart.series)
             {
                 if (serie.show) allSerieIsHide = false;
                 if (serie.dataCount > 0)
                 {
                     allDataIsEmpty = false;
+                    var dataIndexError = 0;
+                    set.Clear();
                     for (int i = 0; i < serie.dataCount; i++)
                     {
                         var serieData = serie.GetSerieData(i);
+                        if (set.Contains(serieData.index))
+                        {
+                            dataIndexError++;
+                        }
+                        else
+                        {
+                            set.Add(serieData.index);
+                        }
                         for (int j = 1; j < serieData.data.Count; j++)
                         {
                             if (serieData.GetData(j) != 0)
@@ -101,6 +111,10 @@ namespace XCharts.Runtime
                     {
                         sb.AppendFormat("warning:serie {0} serieData.data.count[{1}] not match showDataDimension[{2}]\n", serie.index, dataCount, serie.showDataDimension);
                     }
+                    if (dataIndexError > 0)
+                    {
+                        sb.AppendFormat("error: data index error, count={0}/{1}\n", dataIndexError, serie.dataCount);
+                    }
                 }
                 else
                 {

Runtime/Internal/BaseChart.Serie.cs

@@ -61,6 +61,18 @@ namespace XCharts.Runtime
             return true;
         }
 
+        /// <summary>
+        /// 重置serie的数据项索引。避免数据项索引异常。
+        /// </summary>
+        /// <param name="serieIndex"></param>
+        public bool ResetDataIndex(int serieIndex)
+        {
+            var serie = GetSerie(serieIndex);
+            if (serie != null)
+                return serie.ResetDataIndex();
+            return false;
+        }
+
         public bool CanAddSerie<T>() where T : Serie
         {
             return CanAddSerie(typeof(T));

Runtime/Serie/Line/LineHandler.GridCoord.cs

@@ -57,6 +57,7 @@ namespace XCharts.Runtime
             m_LastCheckContextFlag = needCheck;
             var themeSymbolSize = chart.theme.serie.lineSymbolSize;
             var needInteract = false;
+            serie.ResetDataIndex();
             if (m_LegendEnter)
             {
                 serie.context.pointerEnter = true;
@@ -112,7 +113,9 @@ namespace XCharts.Runtime
                     }
                 }
                 if (lastIndex != serie.context.pointerItemDataIndex)
+                {
                     needInteract = true;
+                }
             }
             if (needInteract)
             {

Runtime/Serie/Serie.cs

@@ -1159,6 +1159,23 @@ namespace XCharts.Runtime
                 serieData.interact.Reset();
         }
 
+        /// <summary>
+        /// 重置数据项索引。避免部分数据项的索引异常。
+        /// </summary>
+        public bool ResetDataIndex()
+        {
+            var flag = false;
+            for (int i = 0; i < m_Data.Count; i++)
+            {
+                if (m_Data[i].index != i)
+                {
+                    m_Data[i].index = i;
+                    flag = true;
+                }
+            }
+            return flag;
+        }
+
         /// <summary>
         /// 清空所有数据
         /// </summary>