fishbait/UnityProject/Assets/Mirror/Runtime/Pool.cs
2021-04-06 13:40:48 -05:00

30 lines
932 B
C#

// Pool to avoid allocations (from libuv2k)
using System;
using System.Collections.Generic;
namespace Mirror
{
public class Pool<T>
{
// Mirror is single threaded, no need for concurrent collections
readonly Stack<T> objects = new Stack<T>();
// some types might need additional parameters in their constructor, so
// we use a Func<T> generator
readonly Func<T> objectGenerator;
public Pool(Func<T> objectGenerator)
{
this.objectGenerator = objectGenerator;
}
// take an element from the pool, or create a new one if empty
public T Take() => objects.Count > 0 ? objects.Pop() : objectGenerator();
// return an element to the pool
public void Return(T item) => objects.Push(item);
// count to see how many objects are in the pool. useful for tests.
public int Count => objects.Count;
}
}