130 lines
3.4 KiB
C#
130 lines
3.4 KiB
C#
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/************************************************************************************
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Copyright : Copyright 2017 Oculus VR, LLC. All Rights reserved.
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Licensed under the Oculus VR Rift SDK License Version 3.4.1 (the "License");
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you may not use the Oculus VR Rift SDK except in compliance with the License,
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which is provided at the time of installation or download, or which
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otherwise accompanies this software in either electronic or hard copy form.
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You may obtain a copy of the License at
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https://developer.oculus.com/licenses/sdk-3.4.1
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Unless required by applicable law or agreed to in writing, the Oculus VR SDK
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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************************************************************************************/
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using UnityEngine;
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using VR = UnityEngine.VR;
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using System.Collections;
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using System.Collections.Generic;
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/// <summary>
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/// Shows the Oculus plaform UI.
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/// </summary>
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public class OVRPlatformMenu : MonoBehaviour
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{
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/// <summary>
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/// The key code.
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/// </summary>
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private OVRInput.RawButton inputCode = OVRInput.RawButton.Back;
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public enum eHandler
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{
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ShowConfirmQuit,
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RetreatOneLevel,
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};
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public eHandler shortPressHandler = eHandler.ShowConfirmQuit;
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/// <summary>
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/// Callback to handle short press. Returns true if ConfirmQuit menu should be shown.
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/// </summary>
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public System.Func<bool> OnShortPress;
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private static Stack<string> sceneStack = new Stack<string>();
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enum eBackButtonAction
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{
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NONE,
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SHORT_PRESS
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};
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eBackButtonAction HandleBackButtonState()
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{
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eBackButtonAction action = eBackButtonAction.NONE;
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if (OVRInput.GetDown(inputCode))
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{
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action = eBackButtonAction.SHORT_PRESS;
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}
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return action;
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}
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/// <summary>
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/// Instantiate the cursor timer
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/// </summary>
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void Awake()
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{
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if (shortPressHandler == eHandler.RetreatOneLevel && OnShortPress == null)
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OnShortPress = RetreatOneLevel;
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if (!OVRManager.isHmdPresent)
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{
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enabled = false;
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return;
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}
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sceneStack.Push(UnityEngine.SceneManagement.SceneManager.GetActiveScene().name);
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}
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/// <summary>
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/// Show the confirm quit menu
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/// </summary>
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void ShowConfirmQuitMenu()
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{
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#if UNITY_ANDROID && !UNITY_EDITOR
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Debug.Log("[PlatformUI-ConfirmQuit] Showing @ " + Time.time);
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OVRManager.PlatformUIConfirmQuit();
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#endif
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}
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/// <summary>
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/// Sample handler for short press which retreats to the previous scene that used OVRPlatformMenu.
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/// </summary>
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private static bool RetreatOneLevel()
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{
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if (sceneStack.Count > 1)
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{
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string parentScene = sceneStack.Pop();
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UnityEngine.SceneManagement.SceneManager.LoadSceneAsync (parentScene);
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return false;
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}
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return true;
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}
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/// <summary>
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/// Tests for long-press and activates global platform menu when detected.
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/// as per the Unity integration doc, the back button responds to "mouse 1" button down/up/etc
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/// </summary>
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void Update()
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{
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#if UNITY_ANDROID
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eBackButtonAction action = HandleBackButtonState();
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if (action == eBackButtonAction.SHORT_PRESS)
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{
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if (OnShortPress == null || OnShortPress())
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{
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ShowConfirmQuitMenu();
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}
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}
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#endif
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}
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}
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