54 lines
2.0 KiB
C#
54 lines
2.0 KiB
C#
/************************************************************************************
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Copyright : Copyright (c) Facebook Technologies, LLC and its affiliates. All rights reserved.
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Your use of this SDK or tool is subject to the Oculus SDK License Agreement, available at
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https://developer.oculus.com/licenses/oculussdk/
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Unless required by applicable law or agreed to in writing, the Utilities SDK distributed
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under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
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ANY KIND, either express or implied. See the License for the specific language governing
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permissions and limitations under the License.
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************************************************************************************/
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using System;
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using UnityEngine;
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namespace Oculus.Interaction
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{
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/// <summary>
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/// By adding BeginStart and EndStart at the beginning and end of Start, MonoBehaviours with
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/// OnEnable and OnDisable logic can wrap their contents within a _started flag and effectively
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/// skip over logic in those methods until after Start has been invoked.
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///
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/// To not bypass the Unity Lifecycle, the enabled property is used to disable the most derived
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/// MonoBehaviour, invoke Start up the hierarchy chain, and finally re-enable the MonoBehaviour.
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/// </summary>
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public static class MonoBehaviourStartExtensions
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{
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public static void BeginStart(this MonoBehaviour monoBehaviour, ref bool started,
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Action baseStart = null)
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{
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if (!started)
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{
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monoBehaviour.enabled = false;
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started = true;
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baseStart?.Invoke();
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started = false;
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}
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else
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{
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baseStart?.Invoke();
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}
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}
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public static void EndStart(this MonoBehaviour monoBehaviour, ref bool started)
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{
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if (!started)
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{
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started = true;
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monoBehaviour.enabled = true;
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}
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}
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}
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}
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