Initial Commit

Assets/Oculus/Interaction/Runtime/Scripts/Attributes/OptionalAttribute.cs

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+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ * All rights reserved.
+ *
+ * Licensed under the Oculus SDK License Agreement (the "License");
+ * you may not use the Oculus SDK except in compliance with the License,
+ * which is provided at the time of installation or download, or which
+ * otherwise accompanies this software in either electronic or hard copy form.
+ *
+ * You may obtain a copy of the License at
+ *
+ * https://developer.oculus.com/licenses/oculussdk/
+ *
+ * Unless required by applicable law or agreed to in writing, the Oculus SDK
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using UnityEngine;
+
+namespace Oculus.Interaction
+{
+    /// <summary>
+    /// Used on a SerializedField surfaces the expectation that this field can remain empty.
+    /// </summary>
+    public class OptionalAttribute : PropertyAttribute
+    {
+        [System.Flags]
+        public enum Flag
+        {
+            /// <summary>
+            /// Presents the Optional tag and moves it into the Optional Section
+            /// </summary>
+            None = 0,
+            /// <summary>
+            /// Indicates that if the reference is missing, a new object will be
+            /// created and linked to it during runtime.
+            /// </summary>
+            AutoGenerated = 1 << 0,
+            /// <summary>
+            /// Indicates that even though the reference is Optional, it is important
+            /// for the component to work as expected.
+            /// </summary>
+            DontHide = 1 << 1
+        }
+
+        public Flag Flags { get; private set; } = Flag.None;
+
+        public OptionalAttribute() { }
+
+        public OptionalAttribute(Flag flags)
+        {
+            Flags = flags;
+        }
+    }
+}