Automatically generated changelog for v1.1.0

* 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

.github/workflows/changelog.yml

@@ -0,0 +1,40 @@
+name: Create Tag
+on:
+  workflow_dispatch:
+    inputs:
+      tagName:
+        description: 'Tag name:'
+        type: string
+        required: true
+run-name: "Generating changelog for Release v${{github.event.inputs.tagName}}"
+jobs:
+  generate_changelog:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+        with:
+          ref: ${{ github.head_ref }}
+          token: ${{ secrets.TOKEN }}
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v1
+        with:
+          dotnet-version: '8.0.x'
+      - name: Update Project Versions
+        run: sed -i "s/\(<Version>\)[0-9]\+\.[0-9]\+\.[0-9]\+/\1${{github.event.inputs.tagName}}/" "./OmegaLeo.HelperLib/OmegaLeo.HelperLib.csproj"
+
+      - name: Update Project Versions
+        run: sed -i "s/\(<Version>\)[0-9]\+\.[0-9]\+\.[0-9]\+/\1${{github.event.inputs.tagName}}/" "./OmegaLeo.HelperLib.Changelog/OmegaLeo.HelperLib.Changelog.csproj"
+      
+      - name: Build and Run Changelog Generator
+        run: dotnet run --project "./OmegaLeo.HelperLib.ChangelogHandler/OmegaLeo.HelperLib.ChangelogHandler.csproj"
+        env:
+          UNITYFLOW_SECRET: ${{ secrets.TOKEN }}
+      - name: Create Tag
+        run: |
+          git config --local user.email "nunodiogo@omegaleo.pt"
+          git config --local user.name "Nuno Diogo"
+          git add .
+          git commit -m "Automatically generated changelog for v${{github.event.inputs.tagName}}"
+          git tag -a "${{ github.event.inputs.tagName }}" -m "Release ${{ github.event.inputs.tagName }}"
+          git push origin "${{ github.event.inputs.tagName }}"

.github/workflows/nuget-publish.yml

@@ -2,6 +2,7 @@ name: Publish Nuget Packages
 on:
   release:
     types: [created]
+run-name: "Publish version v${{github.event.release.tag_name}} to nuget"
 jobs:
   get-release:
     name: Get Release
@@ -16,7 +17,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.TOKEN }}
     outputs:
       upload_url: ${{ steps.get_release.outputs.upload_url }}
-  publish_doc_helper:
+  publish-helper-lib:
     runs-on: ubuntu-latest
     needs: [get-release]
     steps:
@@ -24,7 +25,7 @@ jobs:
     - name: Setup .Net Core
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: '7.0.x'
+        dotnet-version: '8.0.x'
     - name: Update Project Version
       run: sed -i "s/\(<Version>\([0-9]\+\.\)\{2\}\)\([0-9]\+\)/\1${{ github.event.release.tag_name }}/" "./OmegaLeo.HelperLib/OmegaLeo.HelperLib.csproj"
     - name: Create Nuget Package
@@ -40,3 +41,27 @@ jobs:
         asset_path: ./OmegaLeo.HelperLib/bin/Release/OmegaLeo.HelperLib.${{ github.event.release.tag_name }}.nupkg
         asset_name: OmegaLeo.HelperLib.${{ github.event.release.tag_name }}.nupkg
         asset_content_type: application/zip
+  publish-changelog-lib:
+    runs-on: ubuntu-latest
+    needs: [ get-release ]
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup .Net Core
+        uses: actions/setup-dotnet@v1
+        with:
+          dotnet-version: '8.0.x'
+      - name: Update Project Version
+        run: sed -i "s/\(<Version>\([0-9]\+\.\)\{2\}\)\([0-9]\+\)/\1${{ github.event.release.tag_name }}/" "./OmegaLeo.HelperLib.Changelog/OmegaLeo.HelperLib.Changelog.csproj"
+      - name: Create Nuget Package
+        run: dotnet pack "./OmegaLeo.HelperLib.Changelog/OmegaLeo.HelperLib.Changelog.csproj" -c Release /p:Version=${{ github.event.release.tag_name }} /p:PackageReleaseNotes="See https://github.com/omegaleo/OmegaLeo.HelperLib/releases/tag/${{ github.event.release.tag_name }}"
+      - name: Publish Nuget Package
+        run: dotnet nuget push ./OmegaLeo.HelperLib.Changelog/bin/Release/OmegaLeo.HelperLib.Changelog.${{ github.event.release.tag_name }}.nupkg --api-key ${{ secrets.nuget_api_key }} --source https://api.nuget.org/v3/index.json --skip-duplicate
+      - name: Upload assets to release
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.TOKEN }}
+        with:
+          upload_url: ${{ needs.get-release.outputs.upload_url }}
+          asset_path: ./OmegaLeo.HelperLib/bin/Release/OmegaLeo.HelperLib.Changelog.${{ github.event.release.tag_name }}.nupkg
+          asset_name: OmegaLeo.HelperLib.Changelog.${{ github.event.release.tag_name }}.nupkg
+          asset_content_type: application/zip

OmegaLeo.HelperLib.Changelog/Attributes/ChangelogAttribute.cs

@@ -0,0 +1,18 @@
+using System;
+
+namespace OmegaLeo.HelperLib.Changelog.Attributes
+{
+    [Changelog("v1.0.0", "Created ChangelogAttribute to be used to register changes in the code.")]
+    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method | AttributeTargets.Property, AllowMultiple = true)]
+    public class ChangelogAttribute : Attribute
+    {
+        public string Version { get; }
+        public string Description { get; }
+
+        public ChangelogAttribute(string version, string description)
+        {
+            Version = version;
+            Description = description;
+        }
+    }
+}

OmegaLeo.HelperLib.Changelog/CHANGELOG.md

@@ -0,0 +1,7 @@
+# Changelog
+
+## Version v1.0.0
+
+- **Class: ChangelogTool**: Created the class ChangelogTool to extract changelogs via attributes
+- **Class: ChangelogAttribute**: Created ChangelogAttribute to be used to register changes in the code.
+

OmegaLeo.HelperLib.Changelog/Models/Changelog.cs

@@ -0,0 +1,14 @@
+namespace OmegaLeo.HelperLib.Changelog.Models
+{
+    public class Changelog
+    {
+        public string Target;
+        public string Description;
+
+        public Changelog(string target, string description)
+        {
+            Target = target;
+            Description = description;
+        }
+    }
+}

OmegaLeo.HelperLib.Changelog/OmegaLeo.HelperLib.Changelog.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>netstandard2.1</TargetFramework>
+        <ImplicitUsings>disable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+</Project>

OmegaLeo.HelperLib.Changelog/Tools/ChangelogTool.cs

@@ -0,0 +1,63 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using OmegaLeo.HelperLib.Changelog.Attributes;
+
+namespace OmegaLeo.HelperLib.Changelog.Tools
+{
+    [Changelog("v1.0.0", "Created the class ChangelogTool to extract changelogs via attributes")]
+    public class ChangelogTool
+    {
+        public static Dictionary<string, List<Models.Changelog>> ExtractChangelog(Assembly assembly)
+        {
+            var changelogByVersion = new Dictionary<string, List<Models.Changelog>>();
+
+            foreach (var type in assembly.GetTypes())
+            {
+                foreach (var attr in type.GetCustomAttributes<ChangelogAttribute>())
+                {
+                    AddChangelogEntry(changelogByVersion, attr.Version, $"Class: {type.Name}", attr.Description);
+                }
+
+                foreach (var method in type.GetMethods(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static))
+                {
+                    foreach (var attr in method.GetCustomAttributes<ChangelogAttribute>())
+                        AddChangelogEntry(changelogByVersion, attr.Version, $"Method: {type.Name}.{method.Name}()", attr.Description);
+                }
+            }
+
+            changelogByVersion = new Dictionary<string, List<Models.Changelog>>(changelogByVersion.OrderByDescending(x => x.Key));
+        
+            return changelogByVersion;
+        }
+
+        public static string GetMarkdown(Assembly assembly)
+        {
+            var changelog = ExtractChangelog(assembly);
+        
+            var sb = new StringBuilder();
+        
+            sb.AppendLine("# Changelog\n");
+            foreach (var version in changelog)
+            {
+                sb.AppendLine($"## Version {version.Key}\n");
+                foreach (var entry in version.Value)
+                {
+                    sb.AppendLine($"- **{entry.Target}**: {entry.Description}");
+                }
+                sb.AppendLine();
+            }
+
+            return sb.ToString();
+        }
+    
+        private static void AddChangelogEntry(Dictionary<string, List<Models.Changelog>> changelog, string version, string target, string description)
+        {
+            if (!changelog.ContainsKey(version))
+                changelog[version] = new List<Models.Changelog>();
+
+            changelog[version].Add(new Models.Changelog(target, description));
+        }
+    }
+}

OmegaLeo.HelperLib.ChangelogHandler/OmegaLeo.HelperLib.ChangelogHandler.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net8.0</TargetFramework>
+        <ImplicitUsings>disable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\OmegaLeo.HelperLib.Changelog\OmegaLeo.HelperLib.Changelog.csproj" />
+      <ProjectReference Include="..\OmegaLeo.HelperLib\OmegaLeo.HelperLib.csproj" />
+    </ItemGroup>
+
+</Project>

OmegaLeo.HelperLib.ChangelogHandler/Program.cs

@@ -0,0 +1,45 @@
+// See https://aka.ms/new-console-template for more information
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Reflection;
+using GameDevLibrary.Helpers;
+using OmegaLeo.HelperLib.Changelog.Models;
+using OmegaLeo.HelperLib.Changelog.Tools;
+
+var root = GetSolutionRoot();
+
+var changelogs = new Dictionary<string, Assembly>()
+{
+    {Path.Join(root, "OmegaLeo.HelperLib.Changelog", "CHANGELOG.md"), typeof(Changelog).Assembly},
+    {Path.Join(root, "OmegaLeo.HelperLib", "CHANGELOG.md"), typeof(BenchmarkUtility).Assembly},
+};
+
+foreach (var changelog in changelogs)
+{
+    GenerateChangelog(changelog.Key, changelog.Value);
+}
+
+
+void GenerateChangelog(string path, Assembly libraryAssembly)
+{
+    var changelogMarkdown = ChangelogTool.GetMarkdown(libraryAssembly);
+    
+    File.WriteAllText(path,changelogMarkdown);
+}
+
+static string GetSolutionRoot()
+{
+    string dir = AppContext.BaseDirectory;
+
+    while (!string.IsNullOrEmpty(dir))
+    {
+        if (Directory.GetFiles(dir, "*.sln").Length > 0)
+            return dir; // Found the solution root
+
+        dir = Directory.GetParent(dir)?.FullName; // Move up a directory
+    }
+
+    throw new Exception("Solution root not found.");
+}

OmegaLeo.HelperLib.ConsoleApp/OmegaLeo.HelperLib.ConsoleApp.csproj

@@ -0,0 +1,16 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net8.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\OmegaLeo.HelperLib.Changelog\OmegaLeo.HelperLib.Changelog.csproj" />
+      <ProjectReference Include="..\OmegaLeo.HelperLib.Git\OmegaLeo.HelperLib.Git.csproj" />
+      <ProjectReference Include="..\OmegaLeo.HelperLib\OmegaLeo.HelperLib.csproj" />
+    </ItemGroup>
+
+</Project>

OmegaLeo.HelperLib.ConsoleApp/Program.cs

@@ -0,0 +1,102 @@
+// See https://aka.ms/new-console-template for more information
+
+// /media/omegaleo/Development/Library Dev/HelperLib
+
+using System.Reflection;
+using GameDevLibrary.Extensions;
+using GameDevLibrary.Helpers;
+using LibGit2Sharp;
+using OmegaLeo.HelperLib.Changelog.Tools;
+using OmegaLeo.HelperLib.Git;
+using OmegaLeo.HelperLib.Git.Models;
+
+Console.WriteLine("Insert repo path to check changes:");
+var repo = Console.ReadLine();
+
+if (repo.IsNullOrEmpty())
+{
+    repo = "/media/omegaleo/Development/Library Dev/HelperLib";
+}
+
+var git = new GitClient(repo);
+
+var result = BenchmarkUtility.Record(() =>
+{
+    var changes = git.GetChanges();
+
+    if (changes.FolderName.IsNotNullOrEmpty())
+    {
+        RecursiveOutput(new List<ChangeFolder>() { changes });
+
+        var option = 99;
+
+        while (option != 0)
+        {
+            ShowOptions();
+            if (option != 99)
+            {
+                switch (option)
+                {
+                    case 1:
+                        Console.WriteLine("Write the commit message");
+                        var msg = Console.ReadLine();
+
+                        while (msg.IsNullOrEmpty())
+                        {
+                            Console.WriteLine("Empty message detected, please write a commit message...");
+                            msg = Console.ReadLine();
+                        }
+
+                        var signature = new Signature("Nuno 'Omega Leo' Diogo", "nunodiogo@omegaleo.pt",
+                            DateTimeOffset.Now);
+                        git.Commit(msg, signature);
+
+                        break;
+                    case 2:
+                        git.Push();
+                        break;
+                    default:
+                        Console.WriteLine("Invalid Option!");
+                        break;
+                }
+            }
+
+            int.TryParse(Console.ReadLine(), out option);
+        }
+    }
+    else
+    {
+        Console.WriteLine("No changes found in specified repository");
+    }
+});
+
+Console.WriteLine($"Time for checking for changes: {result} ms");
+
+Console.ReadLine();
+
+
+void RecursiveOutput(List<ChangeFolder> folders, int depth = 0)
+{
+    foreach (var folder in folders)
+    {
+        Console.WriteLine($"{new string('\t', depth)}>{folder.FolderName}");
+        if (folder.SubFolders.Any())
+        {
+            RecursiveOutput(folder.SubFolders, depth + 1);
+        }
+
+        foreach (var change in folder.ChangesInFolder)
+        {
+            Console.WriteLine($"{new string('\t', depth + 1)}>{Path.GetFileName(change.Path)} ({change.Status})");
+        }
+    }
+}
+
+void ShowOptions()
+{
+    Console.Clear();
+    Console.WriteLine(new string('=', 20));
+    Console.WriteLine("What do you want to do in this repository?");
+    Console.WriteLine("1. Commit all changes");
+    Console.WriteLine("2. Push");
+}

OmegaLeo.HelperLib.ConsoleApp/TestClass.cs

@@ -0,0 +1,10 @@
+using OmegaLeo.HelperLib.Changelog.Attributes;
+
+namespace OmegaLeo.HelperLib.ConsoleApp;
+
+[Changelog("v1.0.0", "Test")]
+[Changelog("v1.0.1", "Test 1")]
+public class TestClass
+{
+    
+}

OmegaLeo.HelperLib.Git/GitClient.cs

@@ -0,0 +1,130 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using GameDevLibrary.Extensions;
+using LibGit2Sharp;
+using OmegaLeo.HelperLib.Git.Models;
+
+namespace OmegaLeo.HelperLib.Git
+{
+    public class GitClient
+    {
+        private Repository _repo;
+        
+        public GitClient(string path)
+        {
+            if (path.IsNullOrEmpty())
+            {
+                path = AppDomain.CurrentDomain.BaseDirectory;
+            }
+
+            _repo = new Repository(path);
+        }
+
+        public void CheckoutBranch(string branchName)
+        {
+            var branch = _repo.Branches[branchName];
+
+            if (branch == null)
+            {
+                branch = _repo.CreateBranch(branchName);
+            }
+
+            Commands.Checkout(_repo, branch);
+        }
+
+        public bool HasChanges() => _repo.Diff.Compare<TreeChanges>().Count > 0;
+        
+        public ChangeFolder GetChanges()
+        {
+            var folder = new ChangeFolder();
+            
+            if (HasChanges())
+            {
+                var changes = _repo.Diff.Compare<TreeChanges>();
+
+                var allChanges = new List<TreeEntryChanges>();
+                allChanges.AddRange(changes.Added);
+                allChanges.AddRange(changes.Modified);
+                allChanges.AddRange(changes.Deleted);
+
+                var uniqueFolderPaths = allChanges.Select(x => Path.GetDirectoryName(x.Path)).Distinct();
+                
+                foreach (var path in uniqueFolderPaths)
+                {
+                    if (path.IsNullOrEmpty()) continue;
+                    
+                    if (path.Contains(Path.DirectorySeparatorChar))
+                    {
+                        var paths = path.Split(Path.DirectorySeparatorChar);
+
+                        for (var i = 0; i < paths.Length; i++)
+                        {
+                            var p = paths[i];
+                            
+                            if (folder.FolderName.Equals(p))
+                            {
+                                if (folder.ChangesInFolder.Any()) continue;
+                                
+                                folder.ChangesInFolder =
+                                    allChanges.Where(x => Path.GetDirectoryName(x.Path)!.Equals(p, StringComparison.OrdinalIgnoreCase));
+                            }
+                            else
+                            {
+                                var pathList = paths[0..(i+1)].ToList();
+                                var subFolder = folder.RecursiveGet(pathList);
+                                var fullPath = string.Join(Path.DirectorySeparatorChar, pathList);
+
+                                if (!subFolder.ChangesInFolder.Any())
+                                {
+                                    subFolder.ChangesInFolder = allChanges.Where(x =>
+                                        Path.GetDirectoryName(x.Path)!.Equals(fullPath, StringComparison.OrdinalIgnoreCase));
+                                }
+                            }
+                        }
+                    }
+                    else
+                    {
+                        folder.FolderName = path;
+                        folder.ChangesInFolder =
+                            allChanges.Where(x => Path.GetDirectoryName(x.Path)!.Equals(path, StringComparison.OrdinalIgnoreCase));
+                    }
+                }
+            }
+            
+            return folder;
+        }
+
+        public void Commit(string message, Signature author)
+        {
+            if (HasChanges())
+            {
+                var changes = _repo.Diff.Compare<TreeChanges>();
+                var allChanges = new List<TreeEntryChanges>();
+                allChanges.AddRange(changes.Added);
+                allChanges.AddRange(changes.Modified);
+                allChanges.AddRange(changes.Deleted);
+
+                var filePaths = allChanges.Select(x => x.Path).Where(x => x.IsNotNullOrEmpty());
+                
+                Commands.Stage(_repo, filePaths);
+            }
+            
+            _repo.Commit(message, author, author);
+        }
+
+        public void Push()
+        {
+            try {
+                var remote = _repo.Network.Remotes["origin"];
+                var options = new PushOptions();
+                var pushRefSpec = @"refs/heads/master";
+               _repo.Network.Push(remote, new string[] {pushRefSpec}, options);
+            }
+            catch (Exception e) {
+                Console.WriteLine("Exception:RepoActions:PushChanges " + e.Message);
+            }
+        }
+    }
+}

OmegaLeo.HelperLib.Git/Models/ChangeFolder.cs

@@ -0,0 +1,56 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using LibGit2Sharp;
+
+namespace OmegaLeo.HelperLib.Git.Models
+{
+    public class ChangeFolder
+    {
+        public string FolderName { get; set; }
+        public List<ChangeFolder> SubFolders { get; set; }
+        public IEnumerable<TreeEntryChanges> ChangesInFolder { get; set; }
+
+        public ChangeFolder()
+        {
+            FolderName = "";
+            SubFolders = new List<ChangeFolder>();
+            ChangesInFolder = new List<TreeEntryChanges>();
+        }
+        
+        public ChangeFolder RecursiveGet(List<string> paths)
+        {
+            if (!paths.Any()) return null;
+            
+            var tempPaths = paths;
+            var pathToCheck = tempPaths.FirstOrDefault();
+
+            ChangeFolder folder = new ChangeFolder();
+
+            if (FolderName.Equals(pathToCheck, StringComparison.OrdinalIgnoreCase))
+            {
+                folder = this;
+            }
+            else if (SubFolders.Any(x => x.FolderName.Equals(pathToCheck)))
+            {
+                folder = SubFolders.FirstOrDefault(x => x.FolderName.Equals(pathToCheck))!;
+            }
+            else
+            {
+                folder.FolderName = pathToCheck;
+                SubFolders.Add(folder);
+            }
+            
+            tempPaths.RemoveAt(0);
+
+            if (tempPaths.Any())
+            {
+                return folder.RecursiveGet(tempPaths);
+            }
+            else
+            {
+                return folder;
+            }
+        }
+    }
+}

OmegaLeo.HelperLib.Git/OmegaLeo.HelperLib.Git.csproj

@@ -0,0 +1,23 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>netstandard2.1</TargetFramework>
+        <Nullable>enable</Nullable>
+        <RootNamespace>GameDevLibrary.Git</RootNamespace>
+        <Version>0.0.2</Version>
+        <Title>Omega Leo's Helper Library - LibGit2Sharp Implementation</Title>
+        <Authors>Nuno "Omega Leo" Diogo</Authors>
+        <PackageProjectUrl>https://github.com/omegaleo/HelperLib</PackageProjectUrl>
+        <RepositoryUrl>https://github.com/omegaleo/HelperLib</RepositoryUrl>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <PackageReference Include="LibGit2Sharp" Version="0.30.0"/>
+        <PackageReference Include="NetFlow.DocumentationHelper.Library" Version="1.1.2"/>
+    </ItemGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\OmegaLeo.HelperLib\OmegaLeo.HelperLib.csproj" />
+    </ItemGroup>
+
+</Project>

OmegaLeo.HelperLib.sln

@@ -2,6 +2,14 @@
 Microsoft Visual Studio Solution File, Format Version 12.00
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OmegaLeo.HelperLib", "OmegaLeo.HelperLib\OmegaLeo.HelperLib.csproj", "{A7256931-5D66-46FA-BA50-22B2FA4CD9E9}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OmegaLeo.HelperLib.Git", "OmegaLeo.HelperLib.Git\OmegaLeo.HelperLib.Git.csproj", "{A9579FFB-9A05-4EBF-B298-513C48FB0F91}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OmegaLeo.HelperLib.ConsoleApp", "OmegaLeo.HelperLib.ConsoleApp\OmegaLeo.HelperLib.ConsoleApp.csproj", "{3B77B177-FD47-470A-B0EF-01EF8B30CE09}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OmegaLeo.HelperLib.Changelog", "OmegaLeo.HelperLib.Changelog\OmegaLeo.HelperLib.Changelog.csproj", "{378D8125-66B5-42B8-9881-33F951E5E04A}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OmegaLeo.HelperLib.ChangelogHandler", "OmegaLeo.HelperLib.ChangelogHandler\OmegaLeo.HelperLib.ChangelogHandler.csproj", "{359536F7-02DE-43E9-A383-D83853227B0F}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -12,5 +20,21 @@ Global
 		{A7256931-5D66-46FA-BA50-22B2FA4CD9E9}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{A7256931-5D66-46FA-BA50-22B2FA4CD9E9}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{A7256931-5D66-46FA-BA50-22B2FA4CD9E9}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A9579FFB-9A05-4EBF-B298-513C48FB0F91}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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OmegaLeo.HelperLib.sln.DotSettings.user

@@ -0,0 +1,5 @@
+<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
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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)
         {

OmegaLeo.HelperLib/OmegaLeo.HelperLib.csproj

@@ -4,7 +4,7 @@
         <TargetFramework>netstandard2.1</TargetFramework>
         <Nullable>enable</Nullable>
         <RootNamespace>GameDevLibrary</RootNamespace>
-        <Version>0.0.2</Version>
+        <Version>1.1.0</Version>
         <Title>Omega Leo's Helper Library</Title>
         <Authors>Nuno "Omega Leo" Diogo</Authors>
         <PackageProjectUrl>https://github.com/omegaleo/HelperLib</PackageProjectUrl>