79 lines
2.6 KiB
C#
79 lines
2.6 KiB
C#
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using System.Security.Cryptography;
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//for Iced_Lemon only, do not modify
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//TODO: seperate the functionalities in the future
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namespace Lemon.GenericLib.Code.Utilities {
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public static class LemonCodeUtilities {
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//strings
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#region StringUtilities
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public static bool CompareTextNonCase(string textA, string textB)
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{
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return textA.ToUpper() == textB.ToUpper();
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}
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public static string TrimLastChar(string text)
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{
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return text.Substring(0, text.Length - 1);
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}
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#endregion
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#region RandomUtilities
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//randoms
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public static float RandomVectorValue(Vector2 vector) { return UnityEngine.Random.Range(vector.x, vector.y); }
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public static int RandomVectorValueInt(Vector2Int vector) { return UnityEngine.Random.Range(vector.x, vector.y + 1); }
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public static int RandomArrayIndex(object[] array) { return UnityEngine.Random.Range(0, array.Length); }
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public static object RandomArrayItem(object[] array) { return array[UnityEngine.Random.Range(0, array.Length)]; }
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public static int RandomListIndex(List<object> list) { return UnityEngine.Random.Range(0, list.Count); }
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public static object RandomListItem(List<object> list) { return list[UnityEngine.Random.Range(0, list.Count)]; }
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public static bool RandomBool() { return UnityEngine.Random.Range(0, 2) > 0; }
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public static void Shuffle<T>(this IList<T> list)
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{
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//RNGCryptoServiceProvider provider = new RNGCryptoServiceProvider();
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//int n = list.Count;
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//while (n > 1)
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//{
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// byte[] box = new byte[1];
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// do provider.GetBytes(box);
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// while (!(box[0] < n * (Byte.MaxValue / n)));
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// int k = (box[0] % n);
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// n--;
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// T value = list[k];
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// list[k] = list[n];
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// list[n] = value;
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//}
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System.Random rng = new System.Random();
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int n = list.Count;
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while (n > 1)
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{
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n--;
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int k = rng.Next(n + 1);
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T value = list[k];
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list[k] = list[n];
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list[n] = value;
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}
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}
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#endregion
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public static string PrintList<T>(List<T> list) {
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string str = "[ ";
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foreach (var item in list)
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{
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str += item.ToString() + ", ";
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}
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return str + " ]";
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}
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}
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}
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