Dev changes (#3)

* Fixed dependency

* Updates to NeoDictionary

* Changes to NeoDictionary

* Started working on a Git implementation to integrate into Game Engines in the future

* Added commit functionality to the git library

* New changes

* Added select for NeoDictionary.cs

* Fixed issue with previous new method

* Added a Benchmarking Tool to be used mostly in game engines

* Added IndexOf to NeoDictionary.cs

* Added new method for BenchmarkUtility.cs

* added an instacedobject class

* Added a new shuffle method for lists

* fixed return type

* Added new Changelog generator

OmegaLeo.HelperLib/CHANGELOG.md

@@ -0,0 +1,2 @@
+# Changelog
+

OmegaLeo.HelperLib/Extensions/IListExtensions.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Security.Cryptography;
 
 namespace GameDevLibrary.Extensions
 {
@@ -98,7 +99,7 @@ namespace GameDevLibrary.Extensions
             return values;
         }
         
-        public static IEnumerable<TSource> DistinctBy<TSource, TKey>
+        /*public static IEnumerable<TSource> DistinctBy<TSource, TKey>
             (this IEnumerable<TSource> source, Func<TSource, TKey> keySelector)
         {
             HashSet<TKey> seenKeys = new HashSet<TKey>();
@@ -109,7 +110,7 @@ namespace GameDevLibrary.Extensions
                     yield return element;
                 }
             }
-        }
+        }*/
 
         
         // Idea obtained from TaroDev's video on things to do in Unity - https://youtu.be/Ic5ux-tpkCE?t=302
@@ -117,5 +118,30 @@ namespace GameDevLibrary.Extensions
         {
             return array[currentIndex++ % array.Count];
         }
+        
+        /// <summary>
+        /// Shuffle around items in a list.
+        /// Code obtained from https://stackoverflow.com/a/1262619
+        /// </summary>
+        /// <param name="list"></param>
+        /// <typeparam name="T"></typeparam>
+        public static IList<T> Shuffle<T>(this IList<T> list)
+        {
+            RNGCryptoServiceProvider provider = new RNGCryptoServiceProvider();
+            int n = list.Count;
+            while (n > 1)
+            {
+                byte[] box = new byte[1];
+                do provider.GetBytes(box);
+                while (!(box[0] < n * (Byte.MaxValue / n)));
+                int k = (box[0] % n);
+                n--;
+                (list[k], list[n]) = (list[n], list[k]);
+            }
+
+            return list;
+        }
+
+        
     }
 }

OmegaLeo.HelperLib/Helpers/BenchmarkUtility.cs

@@ -0,0 +1,89 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+
+namespace GameDevLibrary.Helpers
+{
+    public class BenchmarkUtility
+    {
+        private static Dictionary<string, List<long>> _benchmarks = new Dictionary<string, List<long>>();
+        private static Dictionary<string, Stopwatch> _stopwatches = new Dictionary<string, Stopwatch>();
+
+        private static Stopwatch GetStopwatch(string key)
+        {
+            Stopwatch stopwatch = new Stopwatch();
+            
+            if (_stopwatches.TryGetValue(key, out stopwatch))
+            {
+            }
+            else
+            {
+                stopwatch = new Stopwatch();
+                _stopwatches.Add(key, stopwatch);
+            }
+            
+            return stopwatch;
+        }
+
+        public static long Record(Action actionToRecord)
+        {
+            var stopwatch = new Stopwatch();
+            stopwatch.Start();
+
+            actionToRecord.Invoke();
+            
+            stopwatch.Stop();
+            return stopwatch.ElapsedMilliseconds;
+        }
+        
+        public static long RecordAndSaveToResults(string key, Action actionToRecord)
+        {
+            var stopwatch = new Stopwatch();
+            stopwatch.Start();
+
+            actionToRecord.Invoke();
+            
+            stopwatch.Stop();
+            
+            if (!_benchmarks.ContainsKey(key))
+            {
+                _benchmarks[key] = new List<long>();
+            }
+            
+            _benchmarks[key].Add(stopwatch.ElapsedMilliseconds);
+            
+            return stopwatch.ElapsedMilliseconds;
+        }
+        
+        public static void Start(string key)
+        {
+            GetStopwatch(key).Restart();
+        }
+
+        public static void Stop(string key)
+        {
+            if (!_benchmarks.ContainsKey(key))
+            {
+                _benchmarks[key] = new List<long>();
+            }
+
+            GetStopwatch(key).Stop();
+            _benchmarks[key].Add(GetStopwatch(key).ElapsedMilliseconds);
+        }
+
+        public static List<long> GetResults(string key)
+        {
+            return _benchmarks.ContainsKey(key) ? _benchmarks[key] : new List<long>();
+        }
+
+        public static void ClearResults()
+        {
+            _benchmarks.Clear();
+        }
+
+        public static Dictionary<string, List<long>> GetAllResults()
+        {
+            return new Dictionary<string, List<long>>(_benchmarks);
+        }
+    }
+}

OmegaLeo.HelperLib/Models/InstancedObject.cs

@@ -0,0 +1,31 @@
+using System;
+
+namespace GameDevLibrary.Models
+{
+    public abstract class InstancedObject<T> where T : class
+    {
+        public static T Instance { get; private set; }
+
+        protected InstancedObject()
+        {
+            if (Instance != null)
+            {
+                throw new InvalidOperationException($"An instance of {typeof(T).Name} already exists.");
+            }
+
+            Instance = this as T;
+            if (Instance == null)
+            {
+                throw new InvalidOperationException($"Failed to cast {GetType().Name} to {typeof(T).Name}.");
+            }
+        }
+
+        ~InstancedObject()
+        {
+            if (Instance == this)
+            {
+                Instance = null;
+            }
+        }
+    }
+}

OmegaLeo.HelperLib/Models/NeoDictionary.cs

@@ -81,6 +81,12 @@ namespace GameDevLibrary.Models
 
         public NeoDictionaryItem<TKey, TValue>? LastOrDefault(Func<NeoDictionaryItem<TKey, TValue>, bool> predicate) =>
             Items.LastOrDefault(predicate);
+        
+        public IEnumerable<NeoDictionaryItem<TKey, TValue>> Select(Func<NeoDictionaryItem<TKey, TValue>, NeoDictionaryItem<TKey, TValue>> selector) =>
+            Items.Select(selector);
+        
+        public int IndexOf(NeoDictionaryItem<TKey, TValue> selector) =>
+            Items.IndexOf(selector);
 
         public void Remove(TKey key)
         {