#if UNITY_EDITOR using UnityEditor; using UnityEngine; [CustomPropertyDrawer(typeof(SerializeReferenceButtonAttribute))] public class SerializeReferenceButtonAttributeDrawer : PropertyDrawer { public override float GetPropertyHeight(SerializedProperty property, GUIContent label) { return EditorGUI.GetPropertyHeight(property, true); } public override void OnGUI(Rect position, SerializedProperty property, GUIContent label) { EditorGUI.BeginProperty(position, label, property); var labelPosition = new Rect(position.x, position.y, position.width, EditorGUIUtility.singleLineHeight); EditorGUI.LabelField(labelPosition, label); var typeRestrictions = SerializedReferenceUIDefaultTypeRestrictions.GetAllBuiltInTypeRestrictions(fieldInfo); property.DrawSelectionButtonForManagedReference(position, typeRestrictions); EditorGUI.PropertyField(position, property, GUIContent.none, true); EditorGUI.EndProperty(); } } #endif