125 lines
3.7 KiB
C#
125 lines
3.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using UnityEngine;
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using UnityEngine.Events;
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using Random = UnityEngine.Random;
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namespace Ichni
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{
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public static class GeneralExtensions
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{
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public static void Invoke(this Dictionary<string, UnityAction> dictionary)
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{
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foreach (var action in dictionary.Values)
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{
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action.Invoke();
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}
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}
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public static void Invoke<T>(this Dictionary<string, UnityAction<T>> dictionary, T arg)
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{
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foreach (var action in dictionary.Values)
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{
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action.Invoke(arg);
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}
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}
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public static void Invoke<T1, T2>(this Dictionary<string, UnityAction<T1, T2>> dictionary, T1 arg1, T2 arg2)
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{
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foreach (var action in dictionary.Values)
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{
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action.Invoke(arg1, arg2);
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}
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}
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/// <summary>
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/// 遍历列表中的每个元素并执行指定的操作，用于foreach不能遍历的情况，例如在foreach中删除元素
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/// </summary>
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public static void For<T>(this IList<T> list, UnityAction<T> action)
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{
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for (int i = 0; i < list.Count; i++)
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{
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action.Invoke(list[i]);
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}
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}
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/// <summary>
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/// 将列表中的元素从此列表转移到另一个列表
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/// </summary>
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public static void Transfer<T>(this List<T> fromList, List<T> toList, T item)
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{
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if (fromList.Contains(item))
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{
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fromList.Remove(item);
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toList.Add(item);
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}
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else
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{
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Debug.LogError($"Item {item} not found in this List.");
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}
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}
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/// <summary>
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/// 在列表中交换两个元素
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/// </summary>
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public static void Swap<T>(this IList<T> list, int i, int j)
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{
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(list[i], list[j]) = (list[j], list[i]);
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}
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/// <summary>
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/// 随机打乱列表中的元素
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/// </summary>
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public static void Shuffle<T>(this IList<T> list)
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{
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for (int i = 0; i < list.Count; i++)
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{
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list.Swap(i, Random.Range(i, list.Count));
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}
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}
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/// <summary>
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/// 随机获取列表中的元素
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/// </summary>
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public static List<T> GetRandomElements<T>(this List<T> list, int count)
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{
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List<T> randomElements = new List<T>();
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if (count >= list.Count)
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{
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randomElements = new List<T>(list);
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return randomElements;
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}
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List<int> randomIndices = new List<int>();
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while (randomIndices.Count < count)
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{
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int randomIndex = Random.Range(0, list.Count);
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if (!randomIndices.Contains(randomIndex))
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{
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randomIndices.Add(randomIndex);
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randomElements.Add(list[randomIndex]);
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}
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}
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return randomElements;
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}
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/// <summary>
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/// 删除所有满足 predicate 的键值对。
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/// </summary>
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public static void RemoveWhere<TKey, TValue>(this IDictionary<TKey, TValue> dict, Func<TKey, TValue, bool> predicate)
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{
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dict.Where(pair => predicate(pair.Key, pair.Value)).Select(pair => pair.Key).ToList().ForEach(key => dict.Remove(key));
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}
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/// <summary>
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/// 获取所有子物体
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/// </summary>
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public static List<Transform> GetAllChildren(this Transform parent)
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{
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return parent.Cast<Transform>().ToList();
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}
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}
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} |