Merge branch 'gameplayglobal-getval' of https://github.com/Tryibion/FlaxEngine into Tryibion-gameplayglobal-getval

Source/Engine/Engine/GameplayGlobals.cs

@@ -0,0 +1,18 @@
+namespace FlaxEngine;
+
+partial class GameplayGlobals
+{
+    /// <summary>
+    /// Gets a value of a given type from the global variables. (it must be added first).
+    /// </summary>
+    /// <param name="name">The name of the variable to retrieve.</param>
+    /// <typeparam name="T">The type of the variable to retrieve.</typeparam>
+    /// <returns>The value of the variable, or default if not found or type mismatch.</returns>
+    public T GetValue<T>(string name)
+    {
+        var obj = GetValue(name);
+        if (obj is T t)
+            return t;
+        return default;
+    }
+}