common extensions and some utilities

Editor/PropertyDrawers/SerializableGuidDrawer.cs

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+using System.Text;
+using RebootKit.Engine.Foundation;
+using UnityEditor;
+using UnityEngine;
+
+namespace RebootKitEditor.PropertyDrawers {
+    [CustomPropertyDrawer(typeof(SerializableGuid))]
+    public class SerializableGuidDrawer : PropertyDrawer {
+        public override void OnGUI(Rect position, SerializedProperty property, GUIContent label) {
+            EditorGUI.BeginProperty(position, label, property);
+            EditorGUILayout.TextField(label, BuildGuidString(FindGuidParts(property)));
+            EditorGUI.EndProperty();
+        }
+
+        public SerializedProperty[] FindGuidParts(SerializedProperty property) {
+            SerializedProperty[] res = {
+                property.FindPropertyRelative("A"),
+                property.FindPropertyRelative("B"),
+                property.FindPropertyRelative("C"),
+                property.FindPropertyRelative("D")
+            };
+            return res;
+        }
+
+        public string BuildGuidString(SerializedProperty[] parts) {
+            StringBuilder sb = new();
+            sb.AppendFormat("{0:X8}", parts[0].uintValue);
+            sb.AppendFormat("{0:X8}", parts[1].uintValue);
+            sb.AppendFormat("{0:X8}", parts[2].uintValue);
+            sb.AppendFormat("{0:X8}", parts[3].uintValue);
+            return sb.ToString();
+        }
+    }
+}