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 Oculus.Interaction.Input;
+using UnityEngine;
+
+namespace Oculus.Interaction
+{
+    public class CenterEyeOffset : MonoBehaviour
+    {
+        [SerializeField, Interface(typeof(IHmd))]
+        private UnityEngine.Object _hmd;
+        public IHmd Hmd { get; private set; }
+
+        [SerializeField]
+        private Vector3 _offset;
+
+        [SerializeField]
+        private Quaternion _rotation = Quaternion.identity;
+
+        private Pose _cachedPose = Pose.identity;
+
+        protected bool _started = false;
+
+        protected virtual void Awake()
+        {
+            Hmd = _hmd as IHmd;
+        }
+
+        protected virtual void Start()
+        {
+            this.BeginStart(ref _started);
+            this.AssertField(Hmd, nameof(Hmd));
+            this.EndStart(ref _started);
+        }
+
+        protected virtual void OnEnable()
+        {
+            if (_started)
+            {
+                Hmd.WhenUpdated += HandleUpdated;
+            }
+        }
+
+        protected virtual void OnDisable()
+        {
+            if (_started)
+            {
+                Hmd.WhenUpdated -= HandleUpdated;
+            }
+        }
+
+        private void HandleUpdated()
+        {
+            if (Hmd.TryGetRootPose(out Pose rootPose))
+            {
+                GetOffset(ref _cachedPose);
+                _cachedPose.Postmultiply(rootPose);
+                transform.SetPose(_cachedPose);
+            }
+        }
+
+        public void GetOffset(ref Pose pose)
+        {
+            pose.position = _offset;
+            pose.rotation = _rotation;
+        }
+
+        public void GetWorldPose(ref Pose pose)
+        {
+            pose.position = this.transform.position;
+            pose.rotation = this.transform.rotation;
+        }
+
+        #region Inject
+
+        public void InjectOffset(Vector3 offset)
+        {
+            _offset = offset;
+        }
+
+        public void InjectRotation(Quaternion rotation)
+        {
+            _rotation = rotation;
+        }
+
+        public void InjectAllCenterEyeOffset(IHmd hmd,
+            Vector3 offset, Quaternion rotation)
+        {
+            InjectHmd(hmd);
+            InjectOffset(offset);
+            InjectRotation(rotation);
+        }
+
+        public void InjectHmd(IHmd hmd)
+        {
+            Hmd = hmd;
+            _hmd = hmd as UnityEngine.Object;
+        }
+
+        #endregion
+    }
+}