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 UnityEngine;
+using UnityEngine.Assertions;
+
+namespace Oculus.Interaction.Input
+{
+    public class HandSkeletonOVR : MonoBehaviour, IHandSkeletonProvider
+    {
+        private readonly HandSkeleton[] _skeletons = { new HandSkeleton(), new HandSkeleton() };
+
+        public HandSkeleton this[Handedness handedness] => _skeletons[(int)handedness];
+
+        protected void Awake()
+        {
+            ApplyToSkeleton(OVRSkeletonData.LeftSkeleton, _skeletons[0]);
+            ApplyToSkeleton(OVRSkeletonData.RightSkeleton, _skeletons[1]);
+        }
+
+        public static HandSkeleton CreateSkeletonData(Handedness handedness)
+        {
+            HandSkeleton handSkeleton = new HandSkeleton();
+
+            // When running in the editor, the call to load the skeleton from OVRPlugin may fail. Use baked skeleton
+            // data.
+            if (handedness == Handedness.Left)
+            {
+                ApplyToSkeleton(OVRSkeletonData.LeftSkeleton, handSkeleton);
+            }
+            else
+            {
+                ApplyToSkeleton(OVRSkeletonData.RightSkeleton, handSkeleton);
+            }
+
+            return handSkeleton;
+        }
+
+        private static void ApplyToSkeleton(in OVRPlugin.Skeleton2 ovrSkeleton, HandSkeleton handSkeleton)
+        {
+            int numJoints = handSkeleton.joints.Length;
+            Assert.AreEqual(ovrSkeleton.NumBones, numJoints);
+
+            for (int i = 0; i < numJoints; ++i)
+            {
+                ref var srcPose = ref ovrSkeleton.Bones[i].Pose;
+                int boneIndex = i;
+                if (i == (int)HandJointId.HandThumb0)
+                {
+                    boneIndex = (int)HandJointId.HandThumb1;
+                }
+                else if (i == (int)HandJointId.HandPinky0)
+                {
+                    boneIndex = (int)HandJointId.HandPinky1;
+                }
+
+                int capsuleIndex = System.Array.FindIndex(ovrSkeleton.BoneCapsules, c => c.BoneIndex == boneIndex);
+                float radius = capsuleIndex < 0 ? 0f : ovrSkeleton.BoneCapsules[capsuleIndex].Radius;
+
+                handSkeleton.joints[i] = new HandSkeletonJoint()
+                {
+                    pose = new Pose()
+                    {
+                        position = srcPose.Position.FromFlippedXVector3f(),
+                        rotation = srcPose.Orientation.FromFlippedXQuatf()
+                    },
+                    parent = ovrSkeleton.Bones[i].ParentBoneIndex,
+                    radius = radius
+                };
+            }
+        }
+    }
+}