first push

Author: savioti

.gitignore

@@ -348,3 +348,71 @@ MigrationBackup/
 
 # Ionide (cross platform F# VS Code tools) working folder
 .ionide/
+
+/[Ll]ibrary/
+/[Tt]emp/
+/[Oo]bj/
+/[Bb]uild/
+/[Bb]uilds/
+/[Ll]ogs/
+/[Uu]ser[Ss]ettings/
+
+# MemoryCaptures can get excessive in size.
+# They also could contain extremely sensitive data
+/[Mm]emoryCaptures/
+
+# Asset meta data should only be ignored when the corresponding asset is also ignored
+!/[Aa]ssets/**/*.meta
+
+# Uncomment this line if you wish to ignore the asset store tools plugin
+# /[Aa]ssets/AssetStoreTools*
+
+# Autogenerated Jetbrains Rider plugin
+/[Aa]ssets/Plugins/Editor/JetBrains*
+
+# Visual Studio cache directory
+.vs/
+
+# Gradle cache directory
+.gradle/
+
+# Autogenerated VS/MD/Consulo solution and project files
+ExportedObj/
+.consulo/
+*.csproj
+*.unityproj
+*.sln
+*.suo
+*.tmp
+*.user
+*.userprefs
+*.pidb
+*.booproj
+*.svd
+*.pdb
+*.mdb
+*.opendb
+*.VC.db
+
+# Unity3D generated meta files
+*.pidb.meta
+*.pdb.meta
+*.mdb.meta
+
+# Unity3D generated file on crash reports
+sysinfo.txt
+
+# Builds
+*.apk
+*.aab
+*.unitypackage
+
+# Crashlytics generated file
+crashlytics-build.properties
+
+# Packed Addressables
+/[Aa]ssets/[Aa]ddressable[Aa]ssets[Dd]ata/*/*.bin*
+
+# Temporary auto-generated Android Assets
+/[Aa]ssets/[Ss]treamingAssets/aa.meta
+/[Aa]ssets/[Ss]treamingAssets/aa/*

ExtensionMethods.cs

@@ -0,0 +1,49 @@
+namespace YoukaiFox.SystemExtensions
+{
+    public static class ExtensionMethods
+    {
+        /// <summary>
+        /// Shuffles the array using the Fisher-Yates method.
+        /// </summary>
+        /// <param name="items"></param>
+        /// <typeparam name="T"></typeparam>
+        public static void Shuffle<T>(this T[] items)
+        {
+            System.Random rng = new System.Random();
+            int n = items.Length;
+            
+            for (int i = 0; i < n; i++)
+            {
+                int randomInt = rng.Next(0, i);
+                Swap(items[i], items[randomInt]);
+            }
+        }
+
+        /// <summary>
+        /// Get the first valid index in the collection.
+        /// </summary>
+        /// <param name="items"></param>
+        /// <typeparam name="T"></typeparam>
+        /// <returns></returns>
+        public static int FirstValidIndex<T>(this T[] items)
+        {
+            if (items.Length > 0)
+                return 0;
+
+            return -1;
+        }
+
+        /// <summary>
+        /// Swap the two values provided between themselves.
+        /// </summary>
+        /// <param name="v1"></param>
+        /// <param name="v2"></param>
+        /// <typeparam name="T"></typeparam>
+        public static void Swap<T>(T v1, T v2)
+        {
+            T temp = v1;
+            v1 = v2;
+            v2 = temp;
+        }
+    }
+}