re-use hashset

This commit is contained in:
in0finite 2022-02-20 19:13:10 +01:00
parent be9515ce36
commit 37469d508c

View file

@ -69,6 +69,7 @@ namespace SanAndreasUnity.Behaviours
private NodePathfindingData[][] m_nodePathfindingDatas = null;
private readonly HashSet<PathNodeId> m_closedList = new HashSet<PathNodeId>();
private readonly List<PathNodeId> m_modifiedDatas = new List<PathNodeId>();
private static readonly FieldInfo s_rootField = typeof(SortedSet<PathNodeId>).GetField("root", BindingFlags.NonPublic | BindingFlags.Instance);
@ -153,6 +154,8 @@ namespace SanAndreasUnity.Behaviours
int numModifiedDatas = m_modifiedDatas.Count;
RestoreModifiedDatas();
m_closedList.Clear();
pathResult.TimeElapsed = (float)stopwatch.Elapsed.TotalSeconds;
UnityEngine.Debug.Log($"Path finding finished: time {pathResult.TimeElapsed * 1000} ms, num nodes {pathResult.Nodes?.Count ?? 0}, numModifiedDatas {numModifiedDatas}, g {pathResult.TotalWeight}, distance {pathResult.Distance}");
@ -162,7 +165,9 @@ namespace SanAndreasUnity.Behaviours
private bool FindPathFromNodeToNode(PathNodeId startId, PathNodeId targetId)
{
var closedList = new HashSet<PathNodeId>(); // TODO: optimization: re-use hashset
m_closedList.Clear();
var closedList = m_closedList;
var openList = new SortedSet<PathNodeId>(new NodeComparer(m_nodePathfindingDatas));
var startData = GetData(startId);