private void InternalSetQuadViewActive(bool value)
{
if (value && m_externalCamera == null && !string.IsNullOrEmpty(m_configPath) && File.Exists(m_configPath))
{
// don't know why SteamVR_ExternalCamera must be instantiated from the prefab
// when create SteamVR_ExternalCamera using AddComponent, errors came out when disabling
var prefab = Resources.Load <GameObject>("SteamVR_ExternalCamera");
if (prefab == null)
{
Debug.LogError("SteamVR_ExternalCamera prefab not found!");
}
else
{
var ctrlMgr = Instantiate(prefab);
var extCam = ctrlMgr.transform.GetChild(0);
extCam.gameObject.name = "SteamVR External Camera";
extCam.SetParent(transform, false);
DestroyImmediate(extCam.GetComponent <SteamVR_TrackedObject>());
DestroyImmediate(ctrlMgr);
m_externalCamera = extCam.GetComponent <SteamVR_ExternalCamera>();
SteamVR_Render.instance.externalCamera = m_externalCamera;
// resolve config file
m_externalCamera.enabled = false;
m_externalCamera.configPath = m_configPath;
m_externalCamera.ReadConfig();
m_externalCamera.enabled = true; // to preserve sceneResolutionScale on enabled
// resolve RenderTexture
m_externalCamera.AttachToCamera(SteamVR_Render.Top());
var w = Screen.width / 2;
var h = Screen.height / 2;
var cam = m_externalCamera.GetComponentInChildren <Camera>();
if (cam.targetTexture == null || cam.targetTexture.width != w || cam.targetTexture.height != h)
{
var tex = new RenderTexture(w, h, 24, RenderTextureFormat.ARGB32, QualitySettings.activeColorSpace == ColorSpace.Linear ? RenderTextureReadWrite.Linear : RenderTextureReadWrite.Default);
tex.antiAliasing = QualitySettings.antiAliasing == 0 ? 1 : QualitySettings.antiAliasing;
cam.targetTexture = tex;
}
}
}
if (m_externalCamera != null)
{
m_externalCamera.gameObject.SetActive(value);
if (value)
{
VivePose.AddNewPosesListener(this);
}
else
{
VivePose.RemoveNewPosesListener(this);
}
}
}
private bool TryGetTargetExCam(out SteamVR_ExternalCamera excam, out Camera camera)
{
if (!TryGetTargetExCam(out excam))
{
camera = null;
return(false);
}
excam = ExternalCameraHook.Instance.externalCamera;
var excamTrans = excam.transform;
if (excamTrans.childCount <= 1)
{
camera = excam.GetComponentInChildren <Camera>();
}
else
{
// Locate the camera component on the last child and clean up other duplicated cameras
// Note that SteamVR_ExternalCamera.ReadConfig triggers making a new clone from head camera
// And ReadConfig is called when externalcamera.cfg is changed on disk
var duplicateCamsObj = ListPool <GameObject> .Get();
camera = null;
for (int i = excamTrans.childCount - 1; i >= 0; --i)
{
var cam = excamTrans.GetChild(i).GetComponent <Camera>();
if (cam == null)
{
continue;
}
if (camera == null)
{
camera = cam;
}
else
{
duplicateCamsObj.Add(cam.gameObject);
}
}
for (int i = duplicateCamsObj.Count - 1; i >= 0; --i)
{
Destroy(duplicateCamsObj[i]);
}
ListPool <GameObject> .Release(duplicateCamsObj);
}
return(true);
}