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MaiDXR/Assets/Oculus/VR/Scripts/Composition/OVRComposition.cs
2022-08-20 21:35:57 +02:00

109 lines
3.8 KiB
C#

/*
* 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.
*/
#if UNITY_ANDROID && !UNITY_EDITOR
#define OVR_ANDROID_MRC
#endif
using UnityEngine;
using System.Collections;
#if UNITY_EDITOR_WIN || UNITY_STANDALONE_WIN || UNITY_ANDROID
public abstract class OVRComposition {
public bool cameraInTrackingSpace = false;
public OVRCameraRig cameraRig = null;
protected OVRComposition(GameObject parentObject, Camera mainCamera, OVRMixedRealityCaptureConfiguration configuration) {
RefreshCameraRig(parentObject, mainCamera);
}
public abstract OVRManager.CompositionMethod CompositionMethod();
public abstract void Update(GameObject gameObject, Camera mainCamera, OVRMixedRealityCaptureConfiguration configuration, OVRManager.TrackingOrigin trackingOrigin);
public abstract void Cleanup();
public virtual void RecenterPose() { }
protected bool usingLastAttachedNodePose = false;
protected OVRPose lastAttachedNodePose = new OVRPose(); // Sometimes the attach node pose is not readable (lose tracking, low battery, etc.) Use the last pose instead when it happens
public void RefreshCameraRig(GameObject parentObject, Camera mainCamera)
{
OVRCameraRig cameraRig = mainCamera.GetComponentInParent<OVRCameraRig>();
if (cameraRig == null)
{
cameraRig = parentObject.GetComponent<OVRCameraRig>();
}
cameraInTrackingSpace = (cameraRig != null && cameraRig.trackingSpace != null);
this.cameraRig = cameraRig;
Debug.Log(cameraRig == null ? "[OVRComposition] CameraRig not found" : "[OVRComposition] CameraRig found");
}
public OVRPose ComputeCameraWorldSpacePose(OVRPlugin.CameraExtrinsics extrinsics, Camera mainCamera)
{
OVRPose trackingSpacePose = ComputeCameraTrackingSpacePose(extrinsics);
OVRPose worldSpacePose = OVRExtensions.ToWorldSpacePose(trackingSpacePose, mainCamera);
return worldSpacePose;
}
public OVRPose ComputeCameraTrackingSpacePose(OVRPlugin.CameraExtrinsics extrinsics)
{
OVRPose trackingSpacePose = new OVRPose();
OVRPose cameraTrackingSpacePose = extrinsics.RelativePose.ToOVRPose();
#if OVR_ANDROID_MRC
OVRPose stageToLocalPose = OVRPlugin.GetTrackingTransformRelativePose(OVRPlugin.TrackingOrigin.Stage).ToOVRPose();
cameraTrackingSpacePose = stageToLocalPose * cameraTrackingSpacePose;
#endif
trackingSpacePose = cameraTrackingSpacePose;
if (extrinsics.AttachedToNode != OVRPlugin.Node.None && OVRPlugin.GetNodePresent(extrinsics.AttachedToNode))
{
if (usingLastAttachedNodePose)
{
Debug.Log("The camera attached node get tracked");
usingLastAttachedNodePose = false;
}
OVRPose attachedNodePose = OVRPlugin.GetNodePose(extrinsics.AttachedToNode, OVRPlugin.Step.Render).ToOVRPose();
lastAttachedNodePose = attachedNodePose;
trackingSpacePose = attachedNodePose * trackingSpacePose;
}
else
{
if (extrinsics.AttachedToNode != OVRPlugin.Node.None)
{
if (!usingLastAttachedNodePose)
{
Debug.LogWarning("The camera attached node could not be tracked, using the last pose");
usingLastAttachedNodePose = true;
}
trackingSpacePose = lastAttachedNodePose * trackingSpacePose;
}
}
return trackingSpacePose;
}
}
#endif