From 09624e4e59a9146ee0a83ef14282b2f299836a76 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Simon=20L=C3=BCbe=C3=9F?= <simon.luebess@gmail.com>
Date: Sat, 9 Mar 2024 01:00:59 +0100
Subject: [PATCH] ScriptCore: Added NumberFormatAttribute

---
 ScriptCore/Editor/EntityEditor.cs          |  8 ++++--
 ScriptCore/Editor/NumberFormatAttribute.cs | 30 ++++++++++++++++++++++
 2 files changed, 36 insertions(+), 2 deletions(-)
 create mode 100644 ScriptCore/Editor/NumberFormatAttribute.cs

diff --git a/ScriptCore/Editor/EntityEditor.cs b/ScriptCore/Editor/EntityEditor.cs
index eaa98bf..05ba826 100644
--- a/ScriptCore/Editor/EntityEditor.cs
+++ b/ScriptCore/Editor/EntityEditor.cs
@@ -216,6 +216,10 @@ internal class EntityEditor
                 }
             }
 
+            NumberFormatAttribute? numberFormat = GetAttribute<NumberFormatAttribute>(attributes);
+            
+            string? format = numberFormat?.Format;
+            
             RangeAttribute? range = GetAttribute<RangeAttribute>(attributes);
 
             // Get Min and Max Values from Type T
@@ -255,14 +259,14 @@ internal class EntityEditor
 
             if (range?.Slider == true)
             {
-                if (ImGui.SliderScalar(fieldId, dataType, (IntPtr)(&value), (IntPtr)(&min), (IntPtr)(&max)))
+                if (ImGui.SliderScalar(fieldId, dataType, (IntPtr)(&value), (IntPtr)(&min), (IntPtr)(&max), format))
                 {
                     newValue = value;
                 }
             }
             else
             {
-                if (ImGui.DragScalar(fieldId, dataType, (IntPtr)(&value), dragSpeed, (IntPtr)(&min), (IntPtr)(&max)))
+                if (ImGui.DragScalar(fieldId, dataType, (IntPtr)(&value), dragSpeed, (IntPtr)(&min), (IntPtr)(&max), format))
                 {
                     newValue = value;
                 }
diff --git a/ScriptCore/Editor/NumberFormatAttribute.cs b/ScriptCore/Editor/NumberFormatAttribute.cs
new file mode 100644
index 0000000..ce786b8
--- /dev/null
+++ b/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;
+    }
+}