| | | 1 | | using Cysharp.Threading.Tasks; |
| | | 2 | | using System; |
| | | 3 | | using System.Buffers; |
| | | 4 | | using System.Collections.Generic; |
| | | 5 | | using System.Threading; |
| | | 6 | | using UnityEngine.Pool; |
| | | 7 | | |
| | | 8 | | namespace MainScripts.DCL.Helpers.Utils |
| | | 9 | | { |
| | | 10 | | public static class PoolUtils |
| | | 11 | | { |
| | | 12 | | public struct ListPoolRent<T> : IDisposable |
| | | 13 | | { |
| | | 14 | | private List<T> list; |
| | | 15 | | |
| | | 16 | | public List<T> GetList() => |
| | | 17 | | list; |
| | | 18 | | |
| | | 19 | | internal ListPoolRent(List<T> list) |
| | | 20 | | { |
| | | 21 | | this.list = list; |
| | | 22 | | } |
| | | 23 | | |
| | | 24 | | public void Dispose() |
| | | 25 | | { |
| | | 26 | | ListPool<T>.Release(list); |
| | | 27 | | list = null; |
| | | 28 | | } |
| | | 29 | | } |
| | | 30 | | |
| | | 31 | | /// <summary> |
| | | 32 | | /// Calls `IDispose` on elements before returning the list to the pool |
| | | 33 | | /// </summary> |
| | | 34 | | public struct ListPoolOfDisposablesRent<T> : IDisposable where T : IDisposable |
| | | 35 | | { |
| | | 36 | | private List<T> list; |
| | | 37 | | |
| | | 38 | | public List<T> GetList() => |
| | | 39 | | list; |
| | | 40 | | |
| | | 41 | | internal ListPoolOfDisposablesRent(List<T> list) |
| | | 42 | | { |
| | | 43 | | this.list = list; |
| | | 44 | | } |
| | | 45 | | |
| | | 46 | | public void Dispose() |
| | | 47 | | { |
| | | 48 | | foreach (T element in list) |
| | | 49 | | element.Dispose(); |
| | | 50 | | |
| | | 51 | | ListPool<T>.Release(list); |
| | | 52 | | list = null; |
| | | 53 | | } |
| | | 54 | | } |
| | | 55 | | |
| | | 56 | | public struct DictionaryPoolRent<TKey, TValue> : IDisposable |
| | | 57 | | { |
| | | 58 | | private Dictionary<TKey, TValue> dictionary; |
| | | 59 | | |
| | | 60 | | public Dictionary<TKey, TValue> GetDictionary() => |
| | | 61 | | dictionary; |
| | | 62 | | |
| | | 63 | | internal DictionaryPoolRent(Dictionary<TKey, TValue> dictionary) |
| | | 64 | | { |
| | | 65 | | this.dictionary = dictionary; |
| | | 66 | | } |
| | | 67 | | |
| | | 68 | | public void Dispose() |
| | | 69 | | { |
| | | 70 | | DictionaryPool<TKey, TValue>.Release(dictionary); |
| | | 71 | | dictionary = null; |
| | | 72 | | } |
| | | 73 | | } |
| | | 74 | | |
| | | 75 | | /// <summary> |
| | | 76 | | /// This method uses the Create function provided to the pool on construction |
| | | 77 | | /// to generate instances. Therefore some allocation cannot be avoided. |
| | | 78 | | /// </summary> |
| | | 79 | | /// <param name="pool"></param> |
| | | 80 | | /// <param name="count"></param> |
| | | 81 | | /// <typeparam name="T"></typeparam> |
| | | 82 | | public static void Prewarm<T>(this IObjectPool<T> pool, int count) where T: class |
| | | 83 | | { |
| | 289 | 84 | | T[] instances = new T[count]; |
| | | 85 | | |
| | 18149 | 86 | | for (int i = 0; i < count; i++) { instances[i] = pool.Get(); } |
| | | 87 | | |
| | 18149 | 88 | | for (int i = 0; i < count; i++) { pool.Release(instances[i]); } |
| | 289 | 89 | | } |
| | | 90 | | |
| | | 91 | | /// <summary> |
| | | 92 | | /// By providing the Create function, this method can Prewarm a pool without extra allocation. |
| | | 93 | | /// Watch out for inconsistencies between the pool's create method and the one provided |
| | | 94 | | /// </summary> |
| | | 95 | | public static void Prewarm<T>(this IObjectPool<T> pool, Func<T> builder, int count) where T: class |
| | | 96 | | { |
| | 0 | 97 | | for (int i = 0; i < count; i++) |
| | 0 | 98 | | pool.Release(builder()); |
| | 0 | 99 | | } |
| | | 100 | | |
| | | 101 | | /// <summary> |
| | | 102 | | /// <inheritdoc cref="Prewarm{T}(UnityEngine.Pool.ObjectPool{T},int)"/> |
| | | 103 | | /// </summary> |
| | | 104 | | public static async UniTask PrewarmAsync<T>(this IObjectPool<T> pool, Func<T> builder, int count, int perFrame, |
| | | 105 | | { |
| | | 106 | | while (count > 0) |
| | | 107 | | { |
| | | 108 | | for (var i = 0; i < perFrame && count > 0; i++) |
| | | 109 | | { |
| | | 110 | | pool.Release(builder()); |
| | | 111 | | count--; |
| | | 112 | | } |
| | | 113 | | |
| | | 114 | | await UniTask.NextFrame(ct); |
| | | 115 | | } |
| | | 116 | | } |
| | | 117 | | |
| | | 118 | | public static ObjectPool<T> CreatePool<T>(int prewarmCount, Func<T> createFunc) where T: class |
| | | 119 | | { |
| | 0 | 120 | | var pool = new ObjectPool<T>(createFunc, defaultCapacity: prewarmCount); |
| | | 121 | | |
| | 0 | 122 | | for (var i = 0; i < prewarmCount; i++) { pool.Release(createFunc()); } |
| | | 123 | | |
| | 0 | 124 | | return pool; |
| | | 125 | | } |
| | | 126 | | |
| | | 127 | | public static ListPoolRent<T> RentList<T>() => |
| | 301 | 128 | | new ListPoolRent<T>(ListPool<T>.Get()); |
| | | 129 | | |
| | | 130 | | public static ListPoolRent<T> RentList<T>(this IEnumerable<T> copyFrom) |
| | | 131 | | { |
| | 0 | 132 | | var list = ListPool<T>.Get(); |
| | 0 | 133 | | list.AddRange(copyFrom); |
| | 0 | 134 | | return new ListPoolRent<T>(list); |
| | | 135 | | } |
| | | 136 | | |
| | | 137 | | public static ListPoolOfDisposablesRent<T> RentListOfDisposables<T>() where T : IDisposable => |
| | 14 | 138 | | new ListPoolOfDisposablesRent<T>(ListPool<T>.Get()); |
| | | 139 | | |
| | | 140 | | public static DictionaryPoolRent<TKey, TValue> RentDictionary<TKey, TValue>() => |
| | 101 | 141 | | new DictionaryPoolRent<TKey, TValue>(DictionaryPool<TKey, TValue>.Get()); |
| | | 142 | | } |
| | | 143 | | } |