ScriptCore: Added NumberFormatAttribute

ScriptCore/Editor/NumberFormatAttribute.cs

@@ -0,0 +1,30 @@
+using System;
+
+namespace GlitchyEngine.Editor;
+
+/// <summary>
+/// Specifies a custom number format for the input field in the editor.
+/// </summary>
+/// <remarks>
+/// This attribute is only applicable to numerical fields like <see cref="float"/>, <see cref="int"/>, etc.
+/// </remarks>
+[AttributeUsage(AttributeTargets.Field)]
+public sealed class NumberFormatAttribute : Attribute
+{
+    /// <summary>
+    /// The number format for the input field.
+    /// </summary>
+    /// <remarks>
+    /// This doesn't use C# number formatting, but rather the C-style printf number formatting.
+    /// </remarks>
+    public string Format { get; private set; }
+    
+    /// <summary>
+    /// Initializes a new instance of the <see cref="NumberFormatAttribute"/> with a custom number format.
+    /// </summary>
+    /// <param name="format"><inheritdoc cref="Format"/></param>
+    public NumberFormatAttribute(string format)
+    {
+        Format = format;
+    }
+}