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Removed allocations from MergeCorridorStartMoved

This commit is contained in:
wrenge 2024-11-13 12:09:48 +03:00
parent 2c6f6a50cc
commit 49da3fb454
1 changed files with 13 additions and 10 deletions
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21
src/DotRecast.Detour/DtPathUtils.cs
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@ -20,7 +20,10 @@ freely, subject to the following restrictions:
using System;
using System.Collections.Generic;
using DotRecast.Core.Buffers;
using DotRecast.Core.Collections;
using DotRecast.Core.Numerics;
using CollectionExtensions = DotRecast.Core.Collections.CollectionExtensions;
namespace DotRecast.Detour
{
@ -180,20 +183,20 @@ namespace DotRecast.Detour
}
// Concatenate paths.
var endIndex = nvisited - 1;
var length1 = endIndex - furthestVisited;
var length2 = npath - furthestPath;
using var result = RcRentedArray.Rent<long>(length1 + length2);
// Adjust beginning of the buffer to include the visited.
List<long> result = new List<long>();
// Store visited
for (int i = nvisited - 1; i > furthestVisited; --i)
{
result.Add(visited[i]);
}
for (int i = 0; i < length1; ++i)
result[i] = visited[endIndex - i];
result.AddRange(path.GetRange(furthestPath, npath - furthestPath));
path.CopyTo(furthestPath, result.AsArray(), length1, length2);
path.Clear();
path.AddRange(result);
return result.Count;
CollectionExtensions.AddRange(path, result.AsSpan());
return result.Length;
}
public static int MergeCorridorEndMoved(List<long> path, int npath, int maxPath, Span<long> visited, int nvisited)