Release v0.15.12.0

2021-10-27 18:50:57 +03:00
parent bf95e82d80
commit 234fb6bc06
450 changed files with 26042 additions and 10457 deletions
@@ -1,4 +1,5 @@
 using Microsoft.Xna.Framework;
+using System;
 using System.Collections.Generic;

 namespace Barotrauma
@@ -24,16 +25,47 @@ namespace Barotrauma
                if (Unreachable) { return float.PositiveInfinity; }
                if (!totalLength.HasValue)
                {
-                    totalLength = 0.0f;
-                    for (int i = 0; i < nodes.Count - 1; i++)
-                    {
-                        totalLength += Vector2.Distance(nodes[i].WorldPosition, nodes[i + 1].WorldPosition);
-                    }
+                    CalculateTotalLength();
                }
                return totalLength.Value;
            }
        }

+        public float GetLength(int? startIndex = null, int? endIndex = null)
+        {
+            if (Unreachable) { return float.PositiveInfinity; }
+            startIndex ??= 0;
+            endIndex ??= Nodes.Count - 1;
+            if (startIndex == 0 && endIndex == Nodes.Count - 1)
+            {
+                return TotalLength;
+            }
+            if (!totalLength.HasValue)
+            {
+                CalculateTotalLength();
+            }
+            float length = 0.0f;
+            for (int i = startIndex.Value; i < endIndex.Value; i++)
+            {
+                length += nodeDistances[i];
+            }
+            return length;
+        }
+
+        private void CalculateTotalLength()
+        {
+            totalLength = 0.0f;
+            nodeDistances.Clear();
+            for (int i = 0; i < nodes.Count - 1; i++)
+            {
+                float distance = Vector2.Distance(nodes[i].WorldPosition, nodes[i + 1].WorldPosition);
+                totalLength += distance;
+                nodeDistances.Add(distance);
+            }
+        }
+
+        private readonly List<float> nodeDistances = new List<float>();
+
        public SteeringPath(bool unreachable = false)
        {
            nodes = new List<WayPoint>();
@@ -107,6 +139,11 @@ namespace Barotrauma
            currentIndex++;
        }

+        public void SkipToNode(int nodeIndex)
+        {
+            currentIndex = nodeIndex;
+        }
+
        public WayPoint CheckProgress(Vector2 simPosition, float minSimDistance = 0.1f)
        {
            if (nodes.Count == 0 || currentIndex > nodes.Count - 1) { return null; }