Initial Commit

2025-07-04 20:33:06 +03:00
commit 8f09347ae0
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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 System;
+using System.Collections;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+
+namespace Oculus.Interaction.Samples
+{
+    public class SceneLoader : MonoBehaviour
+    {
+        private bool _loading = false;
+        public Action<string> WhenLoadingScene = delegate { };
+        public Action<string> WhenSceneLoaded = delegate { };
+        private int _waitingCount = 0;
+
+        public void Load(string sceneName)
+        {
+            if (_loading) return;
+            _loading = true;
+            // make sure we wait for all parties concerned to let us know they're ready to load
+            _waitingCount = WhenLoadingScene.GetInvocationList().Length-1;  // remove the count for the blank delegate
+            if (_waitingCount == 0)
+            {
+                // if nobody else cares just set the preload to go directly to the loading of the scene
+                HandleReadyToLoad(sceneName);
+            }
+            else
+            {
+                WhenLoadingScene.Invoke(sceneName);
+            }
+        }
+
+        // this should be called after handling any pre-load tasks (e.g. fade to white) by anyone who regsistered with WhenLoadingScene in order for the loading to proceed
+        public void HandleReadyToLoad(string sceneName)
+        {
+            _waitingCount--;
+            if (_waitingCount <= 0)
+            {
+                StartCoroutine(LoadSceneAsync(sceneName));
+            }
+        }
+
+        private IEnumerator LoadSceneAsync(string sceneName)
+        {
+            AsyncOperation asyncLoad = SceneManager.LoadSceneAsync(sceneName);
+            while (!asyncLoad.isDone)
+            {
+                yield return null;
+            }
+
+            WhenSceneLoaded.Invoke(sceneName);
+        }
+    }
+}