1 files changed, 61 insertions, 0 deletions
diff --git a/grapher/Models/Calculations/AccelChartData.cs b/grapher/Models/Calculations/AccelChartData.cs
new file mode 100644
index 0000000..20142a7
--- /dev/null
+++ b/grapher/Models/Calculations/AccelChartData.cs
@@ -0,0 +1,61 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace grapher.Models.Calculations
+{
+    public class AccelChartData
+    {
+        public AccelChartData()
+        {
+            AccelPoints = new SortedDictionary<double, double>();
+            VelocityPoints = new SortedDictionary<double, double>();
+            GainPoints = new SortedDictionary<double, double>();
+            OrderedVelocityPointsList = new List<double>();
+            OutVelocityToPoints = new Dictionary<double, (double, double, double)>();
+        }
+
+        public SortedDictionary<double, double> AccelPoints { get; }
+
+        public SortedDictionary<double, double> VelocityPoints { get; }
+
+        public SortedDictionary<double, double> GainPoints { get; }
+
+        public List<double> OrderedVelocityPointsList { get; }
+
+        public Dictionary<double, (double, double, double)> OutVelocityToPoints { get; }
+
+        public void Clear()
+        {
+            AccelPoints.Clear();
+            VelocityPoints.Clear();
+            GainPoints.Clear();
+            OrderedVelocityPointsList.Clear();
+            OutVelocityToPoints.Clear();
+        }
+
+        public (double, double, double) FindPointValuesFromOut(double outVelocityValue)
+        {
+            if (OutVelocityToPoints.TryGetValue(outVelocityValue, out var values))
+            {
+                return values;
+            }
+            else
+            {
+                var velIdx = OrderedVelocityPointsList.BinarySearch(outVelocityValue);
+
+                if (velIdx < 0)
+                {
+                    velIdx = ~velIdx;
+                }
+
+                velIdx = Math.Min(velIdx, VelocityPoints.Count - 1);
+                values = (VelocityPoints.ElementAt(velIdx).Key, AccelPoints.ElementAt(velIdx).Value, GainPoints.ElementAt(velIdx).Value);
+                OutVelocityToPoints.Add(outVelocityValue, values);
+                return values;
+            }
+        }
+    }
+}