UI 자동화를 위해 바인딩 기능 구현

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Packages/com.unity.inputsystem/InputSystem/Editor/PropertyDrawers/InputControlPathDrawer.cs

@@ -0,0 +1,52 @@
+#if UNITY_EDITOR
+using System;
+using UnityEditor;
+using UnityEngine.InputSystem.Layouts;
+
+namespace UnityEngine.InputSystem.Editor
+{
+    /// <summary>
+    /// Custom property drawer for string type fields that represent input control paths.
+    /// </summary>
+    /// <remarks>
+    /// To use this drawer on a property, apply <see cref="InputControlAttribute"/> on it. To constrain
+    /// what type of control is picked, set the <see cref="InputControlAttribute.layout"/> field on the
+    /// attribute.
+    ///
+    /// <example>
+    /// <code>
+    /// // A string representing a control path. Constrain it to picking Button-type controls.
+    /// [InputControl(layout = "Button")]
+    /// [SerializeField] private string m_ControlPath;
+    /// </code>
+    /// </example>
+    /// </remarks>
+    [CustomPropertyDrawer(typeof(InputControlAttribute))]
+    internal sealed class InputControlPathDrawer : PropertyDrawer, IDisposable
+    {
+        private InputControlPickerState m_PickerState;
+        private InputControlPathEditor m_Editor;
+
+        public void Dispose()
+        {
+            m_Editor?.Dispose();
+        }
+
+        public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
+        {
+            if (m_PickerState == null)
+                m_PickerState = new InputControlPickerState();
+            if (m_Editor == null)
+            {
+                m_Editor = new InputControlPathEditor(property, m_PickerState,
+                    () => property.serializedObject.ApplyModifiedProperties(),
+                    label: label);
+            }
+
+            EditorGUI.BeginProperty(position, label, property);
+            m_Editor.OnGUI(position, label, property, () => property.serializedObject.ApplyModifiedProperties());
+            EditorGUI.EndProperty();
+        }
+    }
+}
+#endif // UNITY_EDITOR