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

299 lines
8.9 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 System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class OVRSpectatorModeDomeTest : MonoBehaviour {
bool inited = false;
public Camera defaultExternalCamera;
OVRPlugin.Fovf defaultFov;
public Transform SpectatorAnchor;
public Transform Head;
#if OVR_ANDROID_MRC
private OVRPlugin.Media.PlatformCameraMode camMode = OVRPlugin.Media.PlatformCameraMode.Disabled;
private bool readyToSwitch = false;
private Transform SpectatorCamera;
// Dome sphere representation
private float distance = 0.8f;
private float elevation = 0.0f;
private float polar = 90.0f;
private const float distance_near = 0.5f;
private const float distance_far = 1.2f;
private const float elevationLimit = 30.0f;
#endif
// Start is called before the first frame update
void Awake()
{
#if OVR_ANDROID_MRC
OVRPlugin.Media.SetPlatformInitialized();
SpectatorCamera = defaultExternalCamera.transform.parent;
#endif
}
// Use this for initialization
void Start ()
{
#if UNITY_EDITOR_WIN || UNITY_STANDALONE_WIN || OVR_ANDROID_MRC
if (!defaultExternalCamera)
{
Debug.LogWarning("defaultExternalCamera undefined");
}
#if !OVR_ANDROID_MRC
// On Quest, we enable MRC automatically through the configuration
if (!OVRManager.instance.enableMixedReality)
{
OVRManager.instance.enableMixedReality = true;
}
#endif
#endif
}
void Initialize()
{
#if UNITY_EDITOR_WIN || UNITY_STANDALONE_WIN || OVR_ANDROID_MRC
if (inited)
return;
#if OVR_ANDROID_MRC
if (!OVRPlugin.Media.GetInitialized())
return;
#else
if (!OVRPlugin.IsMixedRealityInitialized())
return;
#endif
OVRPlugin.ResetDefaultExternalCamera();
Debug.LogFormat("GetExternalCameraCount before adding manual external camera {0}", OVRPlugin.GetExternalCameraCount());
UpdateDefaultExternalCamera();
Debug.LogFormat("GetExternalCameraCount after adding manual external camera {0}", OVRPlugin.GetExternalCameraCount());
// obtain default FOV
{
OVRPlugin.CameraIntrinsics cameraIntrinsics;
OVRPlugin.CameraExtrinsics cameraExtrinsics;
OVRPlugin.GetMixedRealityCameraInfo(0, out cameraExtrinsics, out cameraIntrinsics);
defaultFov = cameraIntrinsics.FOVPort;
}
inited = true;
#if OVR_ANDROID_MRC
readyToSwitch = true;
#endif
#endif
}
void UpdateDefaultExternalCamera()
{
#if UNITY_EDITOR_WIN || UNITY_STANDALONE_WIN || OVR_ANDROID_MRC
// always build a 1080p external camera
const int cameraPixelWidth = 1920;
const int cameraPixelHeight = 1080;
const float cameraAspect = (float)cameraPixelWidth / cameraPixelHeight;
string cameraName = "UnityExternalCamera";
OVRPlugin.CameraIntrinsics cameraIntrinsics = new OVRPlugin.CameraIntrinsics();
OVRPlugin.CameraExtrinsics cameraExtrinsics = new OVRPlugin.CameraExtrinsics();
// intrinsics
cameraIntrinsics.IsValid = OVRPlugin.Bool.True;
cameraIntrinsics.LastChangedTimeSeconds = Time.time;
float vFov = defaultExternalCamera.fieldOfView * Mathf.Deg2Rad;
float hFov = Mathf.Atan(Mathf.Tan(vFov * 0.5f) * cameraAspect) * 2.0f;
OVRPlugin.Fovf fov = new OVRPlugin.Fovf();
fov.UpTan = fov.DownTan = Mathf.Tan(vFov * 0.5f);
fov.LeftTan = fov.RightTan = Mathf.Tan(hFov * 0.5f);
cameraIntrinsics.FOVPort = fov;
cameraIntrinsics.VirtualNearPlaneDistanceMeters = defaultExternalCamera.nearClipPlane;
cameraIntrinsics.VirtualFarPlaneDistanceMeters = defaultExternalCamera.farClipPlane;
cameraIntrinsics.ImageSensorPixelResolution.w = cameraPixelWidth;
cameraIntrinsics.ImageSensorPixelResolution.h = cameraPixelHeight;
// extrinsics
cameraExtrinsics.IsValid = OVRPlugin.Bool.True;
cameraExtrinsics.LastChangedTimeSeconds = Time.time;
cameraExtrinsics.CameraStatusData = OVRPlugin.CameraStatus.CameraStatus_Calibrated;
cameraExtrinsics.AttachedToNode = OVRPlugin.Node.None;
Camera mainCamera = Camera.main;
OVRCameraRig cameraRig = mainCamera.GetComponentInParent<OVRCameraRig>();
if (cameraRig)
{
Transform trackingSpace = cameraRig.trackingSpace;
OVRPose trackingSpacePose = trackingSpace.ToOVRPose(false);
OVRPose cameraPose = defaultExternalCamera.transform.ToOVRPose(false);
OVRPose relativePose = trackingSpacePose.Inverse() * cameraPose;
#if OVR_ANDROID_MRC
OVRPose stageToLocalPose = OVRPlugin.GetTrackingTransformRelativePose(OVRPlugin.TrackingOrigin.Stage).ToOVRPose();
OVRPose localToStagePose = stageToLocalPose.Inverse();
relativePose = localToStagePose * relativePose;
#endif
cameraExtrinsics.RelativePose = relativePose.ToPosef();
}
else
{
cameraExtrinsics.RelativePose = OVRPlugin.Posef.identity;
}
if (!OVRPlugin.SetDefaultExternalCamera(cameraName, ref cameraIntrinsics, ref cameraExtrinsics))
{
Debug.LogError("SetDefaultExternalCamera() failed");
}
#endif
}
private void UpdateSpectatorCameraStatus()
{
#if OVR_ANDROID_MRC
// Trigger to switch between 1st person and spectator mode during casting to phone
if (OVRInput.GetDown(OVRInput.Button.PrimaryIndexTrigger) || OVRInput.GetDown(OVRInput.Button.SecondaryIndexTrigger))
{
camMode = OVRPlugin.Media.GetPlatformCameraMode();
if (camMode == OVRPlugin.Media.PlatformCameraMode.Disabled && readyToSwitch)
{
OVRPlugin.Media.SetMrcFrameImageFlipped(false);
OVRPlugin.Media.SetPlatformCameraMode(OVRPlugin.Media.PlatformCameraMode.Initialized);
StartCoroutine(TimerCoroutine());
}
if (camMode == OVRPlugin.Media.PlatformCameraMode.Initialized && readyToSwitch)
{
OVRPlugin.Media.SetMrcFrameImageFlipped(true);
OVRPlugin.Media.SetPlatformCameraMode(OVRPlugin.Media.PlatformCameraMode.Disabled);
StartCoroutine(TimerCoroutine());
}
}
// Keep spectator camera on dome surface
Vector2 axis = OVRInput.Get(OVRInput.Axis2D.SecondaryThumbstick);
if (Mathf.Abs(axis.x) > 0.2f)
{
polar = polar - axis.x * 0.5f;
}
if (Mathf.Abs(axis.y) > 0.2f)
{
elevation = elevation + axis.y * 0.5f;
if (elevation < -90.0f + elevationLimit) elevation = -90.0f + elevationLimit;
if (elevation > 90.0f) elevation = 90.0f;
}
axis = OVRInput.Get(OVRInput.Axis2D.PrimaryThumbstick);
if (Mathf.Abs(axis.y) > 0.1f)
{
distance = axis.y * 0.05f + distance;
if (distance > distance_far) distance = distance_far;
if (distance < distance_near) distance = distance_near;
}
SpectatorCamera.position = SpectatorCameraDomePosition(SpectatorAnchor.position, distance, elevation, polar);
SpectatorCamera.rotation = Quaternion.LookRotation(SpectatorCamera.position - SpectatorAnchor.position);
Head.position = SpectatorAnchor.position;
Head.rotation = SpectatorAnchor.rotation;
#endif
}
Vector3 SpectatorCameraDomePosition(Vector3 spectatorAnchorPosition, float d, float e, float p)
{
float x = d * Mathf.Cos(Mathf.Deg2Rad * e) * Mathf.Cos(Mathf.Deg2Rad * p);
float y = d * Mathf.Sin(Mathf.Deg2Rad * e);
float z = d * Mathf.Cos(Mathf.Deg2Rad * e) * Mathf.Sin(Mathf.Deg2Rad * p);
return new Vector3(x + spectatorAnchorPosition.x, y + spectatorAnchorPosition.y, z + spectatorAnchorPosition.z);
}
IEnumerator TimerCoroutine()
{
#if OVR_ANDROID_MRC
readyToSwitch = false;
#endif
yield return new WaitForSeconds(2);
#if OVR_ANDROID_MRC
readyToSwitch = true;
#endif
}
// Update is called once per frame
void Update () {
#if UNITY_EDITOR_WIN || UNITY_STANDALONE_WIN || OVR_ANDROID_MRC
if (!inited)
{
Initialize();
return;
}
if (!defaultExternalCamera)
{
return;
}
#if OVR_ANDROID_MRC
if (!OVRPlugin.Media.GetInitialized())
{
return;
}
#else
if (!OVRPlugin.IsMixedRealityInitialized())
{
return;
}
#endif
UpdateSpectatorCameraStatus();
UpdateDefaultExternalCamera();
OVRPlugin.OverrideExternalCameraFov(0, false, new OVRPlugin.Fovf());
OVRPlugin.OverrideExternalCameraStaticPose(0, false, OVRPlugin.Posef.identity);
#endif
}
void OnApplicationPause()
{
#if OVR_ANDROID_MRC
OVRPlugin.Media.SetMrcFrameImageFlipped(true);
OVRPlugin.Media.SetPlatformCameraMode(OVRPlugin.Media.PlatformCameraMode.Disabled);
#endif
}
void OnApplicationQuit()
{
#if OVR_ANDROID_MRC
OVRPlugin.Media.SetMrcFrameImageFlipped(true);
OVRPlugin.Media.SetPlatformCameraMode(OVRPlugin.Media.PlatformCameraMode.Disabled);
#endif
}
}