/// <summary>
/// Create object for an existing overlay by overlay key. Useful to gain access to the stock overlays.
/// </summary>
/// <param name="pchOverlayKey"></param>
public Overlay(string pchOverlayKey)
{
EVROverlayError ovrErr = EVROverlayError.None;
ovrErr = SteamVR_WebKit.OverlayManager.FindOverlay(pchOverlayKey, ref _handle);
if (ovrErr != EVROverlayError.None)
{
throw new Exception("Failed to create overlay: " + ovrErr.ToString());
}
_key = pchOverlayKey;
StringBuilder sb = new StringBuilder();
SteamVR_WebKit.OverlayManager.GetOverlayName(_handle, new StringBuilder(), 1000, ref ovrErr);
_name = sb.ToString();
SteamVR_WebKit.OverlayManager.GetOverlayWidthInMeters(_handle, ref _width);
SteamVR_WebKit.OverlayManager.GetOverlayAlpha(_handle, ref _alpha);
}
void CreateOverlayInSteamVR()
{
EVROverlayError ovrErr = EVROverlayError.None;
if (NexHudEngine.OverlayManager == null)
{
throw new Exception("NexHud Engine is not started");
}
if (_ingame)
{
ovrErr = NexHudEngine.OverlayManager.CreateOverlay(Key, Name, ref _handle);
// ToggleInput(false);
}
else
{
ovrErr = NexHudEngine.OverlayManager.CreateDashboardOverlay(Key, Name, ref _handle, ref _thumbnailHandle);
// ToggleInput(true);
}
NexHudEngine.Log("Overlay Handle " + _handle + ", Thumbnail Handle: " + _thumbnailHandle);
if (ovrErr != EVROverlayError.None)
{
throw new Exception("Failed to create overlay: " + ovrErr.ToString());
}
NexHudEngine.OverlayManager.SetOverlayColor(_handle, 1.0f, 1.0f, 1.0f);
if (_hasBackSide)
{
ovrErr = NexHudEngine.OverlayManager.CreateOverlay(Key + "_backside", Name, ref _backSideHandle);
if (ovrErr != EVROverlayError.None)
{
throw new Exception("Failed to create backside of overlay: " + ovrErr.ToString());
}
NexHudEngine.OverlayManager.SetOverlayColor(_backSideHandle, 1.0f, 1.0f, 1.0f);
HmdMatrix34_t matrix = GetMatrixFromPositionAndRotation(new Vector3(0, 0, 0), new Vector3(0, 180, 0));
NexHudEngine.OverlayManager.SetOverlayTransformOverlayRelative(_backSideHandle, _handle, ref matrix);
}
Alpha = 1.0f;
// Because it'll be upside down otherwise.
VRTextureBounds_t bounds;
bounds.vMax = 0; bounds.vMin = 1; // Flip the Y
// Leave as defaults
bounds.uMin = 0;
bounds.uMax = 1;
NexHudEngine.OverlayManager.SetOverlayTextureBounds(_handle, ref bounds);
if (_hasBackSide)
{
bounds.uMin = 1; bounds.uMax = 0; // Flip the backside texture
NexHudEngine.OverlayManager.SetOverlayTextureBounds(_backSideHandle, ref bounds);
}
}
public void SetDeviceAttachment(uint index, Vector3 position, Vector3 rotation)
{
if (!_ingame)
{
throw new Exception("Cannot set attachment for dashboard overlay");
}
_position = position;
_rotation = rotation;
HmdMatrix34_t matrix = GetMatrixFromPositionAndRotation(position, rotation);
EVROverlayError err = NexHudEngine.OverlayManager.SetOverlayTransformTrackedDeviceRelative(_handle, index, ref matrix);
if (err != EVROverlayError.None)
{
NexHudEngine.Log("Failed to attach " + Key + " to Device " + index + " failed: " + err.ToString());
}
}
public void SetAttachment(AttachmentType attachmentType, Vector3 position, Vector3 rotation, string attachmentKey = null)
{
if (!_ingame)
{
throw new Exception("Cannot set attachment for dashboard overlay");
}
_attachmentType = attachmentType;
_position = position;
_rotation = rotation;
if (attachmentType == AttachmentType.Absolute)
{
HmdMatrix34_t matrix = GetMatrixFromPositionAndRotation(position, rotation);
SteamVR_WebKit.OverlayManager.SetOverlayTransformAbsolute(_handle, ETrackingUniverseOrigin.TrackingUniverseStanding, ref matrix);
_sentAttachmentSuccess = true;
}
else if (attachmentType == AttachmentType.Hmd)
{
SetDeviceAttachment((uint)0, position, rotation);
_sentAttachmentSuccess = true;
}
else if (attachmentType == AttachmentType.Overlay)
{
ulong attachmentHandle = 0;
if (attachmentType == AttachmentType.Overlay && attachmentKey == null)
{
attachmentKey = _attachedTo;
}
if (_attachedTo != attachmentKey)
{
SteamVR_WebKit.OverlayManager.FindOverlay(attachmentKey, ref attachmentHandle);
_attachedToHandle = attachmentHandle;
}
if (_attachedToHandle != 0)
{
HmdMatrix34_t matrix = GetMatrixFromPositionAndRotation(position, rotation);
EVROverlayError err = SteamVR_WebKit.OverlayManager.SetOverlayTransformOverlayRelative(_handle, _attachedToHandle, ref matrix);
if (err != EVROverlayError.None)
{
SteamVR_WebKit.Log("Failed to attach " + Key + " to Overlay " + attachmentKey + " failed: " + err.ToString());
}
_sentAttachmentSuccess = true;
}
else
{
SteamVR_WebKit.Log("Attempted to attach to " + attachmentKey + " but it could not be found.");
}
}
else if (attachmentType == AttachmentType.AbsoluteRelative)
{
ulong attachmentHandle = 0;
if (attachmentType == AttachmentType.Overlay && attachmentKey == null)
{
attachmentKey = _attachedTo;
}
if (_attachedTo != attachmentKey)
{
SteamVR_WebKit.OverlayManager.FindOverlay(attachmentKey, ref attachmentHandle);
_attachedToHandle = attachmentHandle;
}
if (_attachedToHandle != 0)
{
HmdMatrix34_t matrix = GetMatrixFromPositionAndRotation(position, rotation);
HmdMatrix34_t parentMatrix = new HmdMatrix34_t();
uint parentWidth = 0, parentHeight = 0;
SteamVR_WebKit.OverlayManager.GetOverlayTextureSize(_attachedToHandle, ref parentWidth, ref parentHeight);
EVROverlayError err = SteamVR_WebKit.OverlayManager.GetTransformForOverlayCoordinates(_attachedToHandle, ETrackingUniverseOrigin.TrackingUniverseStanding, new HmdVector2_t()
{
v0 = parentWidth / 2, v1 = parentHeight / 2
}, ref parentMatrix);
if (err != EVROverlayError.None)
{
SteamVR_WebKit.Log("Failed to retrieve overlay position for " + _attachedTo);
return;
}
HmdMatrix34_t resultMatrix = TransformUtils.OpenTKMatrixToOpenVRMatrix(TransformUtils.OpenVRMatrixToOpenTKMatrix(parentMatrix) * TransformUtils.OpenVRMatrixToOpenTKMatrix(matrix));
err = SteamVR_WebKit.OverlayManager.SetOverlayTransformAbsolute(_handle, ETrackingUniverseOrigin.TrackingUniverseStanding, ref resultMatrix);
if (err != EVROverlayError.None)
{
SteamVR_WebKit.Log("Failed to attach " + Key + " to Overlay " + attachmentKey + " failed: " + err.ToString());
}
_sentAttachmentSuccess = true;
}
else
{
SteamVR_WebKit.Log("Attempted to attach to " + attachmentKey + " but it could not be found.");
}
}
else
{
SetDeviceAttachment(SteamVR_WebKit.OVRSystem.GetTrackedDeviceIndexForControllerRole(attachmentType == AttachmentType.LeftController ? ETrackedControllerRole.LeftHand : ETrackedControllerRole.RightHand), position, rotation);
if (!_controllerListenersSetup)
{
SteamVR_Event.Listen("TrackedDeviceRoleChanged", HandleDeviceRoleChanged);
SteamVR_Event.Listen("device_connected", HandleDeviceConnected);
_controllerListenersSetup = true;
}
else
{
_sentAttachmentSuccess = true;
}
}
}
private bool StartupOVR()
{
EVRInitError error = EVRInitError.Driver_Failed;
vr = OpenVR.Init(ref error, EVRApplicationType.VRApplication_Overlay);
if (error != EVRInitError.None)
{
Debug.WriteLine("OpenVR Init Error: " + error.ToString());
return(false);
}
overlay = OpenVR.Overlay;
EVROverlayError overlayError = overlay.CreateOverlay("Jstf_ovr_cards", "OpenVR Cards System Overlay", ref overlayHandle);
if (overlayError != EVROverlayError.None)
{
OpenVR.Shutdown();
Debug.WriteLine("OpenVR Overlay Error: " + overlayError.ToString());
return(false);
}
/*overlayError = overlay.SetOverlayFromFile(overlayHandle, AssetsPath + "overlay.png");
* if (overlayError != EVROverlayError.None)
* {
* CleanupOVR();
* Debug.WriteLine("OpenVR Overlay Error: " + overlayError.ToString());
* return false;
* }*/
overlayError = overlay.SetOverlayInputMethod(overlayHandle, VROverlayInputMethod.Mouse);
if (overlayError != EVROverlayError.None)
{
CleanupOVR();
Debug.WriteLine("OpenVR Overlay Error: " + overlayError.ToString());
return(false);
}
overlayTexture = new Texture_t
{
eType = ETextureType.OpenGL,
eColorSpace = EColorSpace.Auto,
handle = (IntPtr)textureId
};
overlayError = overlay.SetOverlayTexture(overlayHandle, ref overlayTexture);
if (overlayError != EVROverlayError.None)
{
CleanupOVR();
Debug.WriteLine("OpenVR Overlay Error: " + overlayError.ToString());
return(false);
}
HmdId = OpenVR.k_unTrackedDeviceIndex_Hmd;
for (uint i = HmdId + 1; i < OpenVR.k_unMaxTrackedDeviceCount; i++)
{
if (vr.IsTrackedDeviceConnected(i))
{
ETrackedDeviceClass cls = vr.GetTrackedDeviceClass(i);
if (cls == ETrackedDeviceClass.Controller)
{
ETrackedControllerRole rl = vr.GetControllerRoleForTrackedDeviceIndex(i);
if (rl == ETrackedControllerRole.LeftHand)
{
LeftControllerId = i;
Debug.WriteLine("Found Left Controller");
}
else if (rl == ETrackedControllerRole.RightHand)
{
RightControllerId = i;
Debug.WriteLine("Found Right Controller");
}
}
}
}
mat = new HmdMatrix34_t
{
m0 = 1,
m1 = 0,
m2 = 0,
m3 = 0f,
m4 = 0,
m5 = 1,
m6 = 0,
m7 = 0.1f,
m8 = 0,
m9 = 0,
m10 = 1,
m11 = 0f
};
overlayError = overlay.SetOverlayTransformTrackedDeviceRelative(overlayHandle, RightControllerId, ref mat);
if (overlayError != EVROverlayError.None)
{
Debug.WriteLine("Cannot bind overlay to Tracked device.");
Debug.WriteLine("Error: " + overlayError.ToString());
CleanupOVR();
return(false);
}
overlayError = overlay.SetOverlayWidthInMeters(overlayHandle, 0.2f);
if (overlayError != EVROverlayError.None)
{
Debug.WriteLine("Cannot set overlay size.");
Debug.WriteLine("Error: " + overlayError.ToString());
CleanupOVR();
return(false);
}
overlayError = overlay.SetOverlayAlpha(overlayHandle, 1);
if (overlayError != EVROverlayError.None)
{
Debug.WriteLine("Cannot set overlay alpha.");
Debug.WriteLine("Error: " + overlayError.ToString());
CleanupOVR();
return(false);
}
overlayError = overlay.SetOverlayColor(overlayHandle, 1, 1, 1);
if (overlayError != EVROverlayError.None)
{
Debug.WriteLine("Cannot set overlay color.");
Debug.WriteLine("Error: " + overlayError.ToString());
CleanupOVR();
return(false);
}
#if DEBUG
Debug.WriteLine("OpenVR Startup Complete");
#endif
return(true);
}
private void RenderRoutine()
{
StartupGL();
if (!StartupOVR())
{
CleanupGL();
return;
}
EVROverlayError overlayError = overlay.ShowOverlay(overlayHandle);
if (overlayError != EVROverlayError.None)
{
Debug.WriteLine("Cannot show overlay.");
Debug.WriteLine("Error: " + overlayError.ToString());
CleanupOVR();
CleanupGL();
return;
}
while (RenderAlive)
{
DateTime begin = DateTime.Now;
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
if (CurrentCard == null)
{
if (CardQueue.TryDequeue(out Card c))
{
if (c != null)
{
CurrentCard = c;
continue;
}
}
Thread.Sleep(500);
}
else
{
DrawCard(CurrentCard);
GL.Clear(ClearBufferMask.DepthBufferBit);
if (CurrentCard.Status == CardStatus.Hidden)
{
CurrentCard = null;
Debug.WriteLine("Dropping card.");
}
overlayError = overlay.SetOverlayTexture(overlayHandle, ref overlayTexture);
if (overlayError != EVROverlayError.None)
{
Debug.WriteLine("Cannot set texture.");
Debug.WriteLine("Error: " + overlayError.ToString());
CleanupOVR();
CleanupGL();
return;
}
}
if (EchoWindow)
{
GL.ClearColor(1, 1, 1, 0);
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
GL.DrawBuffer(DrawBufferMode.Back);
GL.Viewport(0, 0, render_window.Width, render_window.Height);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
GL.Disable(EnableCap.Blend);
EchoScene.Instance.Draw();
render_window.SwapBuffers();
GL.BindFramebuffer(FramebufferTarget.Framebuffer, frameBufferId);
GL.Enable(EnableCap.Blend);
GL.DrawBuffer(DrawBufferMode.ColorAttachment0);
GL.Viewport(0, 0, textureSizeX, textureSizeY);
GL.ClearColor(0, 0, 0, 0);
}
VREvent_t ev = new VREvent_t();
if (overlay.PollNextOverlayEvent(overlayHandle, ref ev, (uint)Marshal.SizeOf(ev.GetType())))
{
switch ((EVREventType)ev.eventType)
{
case EVREventType.VREvent_OverlayShown:
Debug.WriteLine("Overlay shown.");
break;
case EVREventType.VREvent_OverlayHidden:
Debug.WriteLine("Overlay Hidden.");
break;
}
}
if (vr.PollNextEvent(ref ev, (uint)Marshal.SizeOf(ev.GetType())))
{
switch ((EVREventType)ev.eventType)
{
case EVREventType.VREvent_Quit:
StopRender();
break;
case EVREventType.VREvent_DriverRequestedQuit:
StopRender();
break;
}
}
DateTime end = DateTime.Now;
double ms = (end - begin).TotalMilliseconds;
Thread.Sleep((int)(Math.Max(12.0 - ms, 0)));
}
CleanupOVR();
CleanupGL();
}
static void Main(string[] args)
{
/* Get an invisible GL context real quick :> */
var window = new GameWindow(300, 300);
var vr = SteamVR.instance;
var error = EVRInitError.None;
OpenVR.Init(ref error, EVRApplicationType.VRApplication_Overlay);
if (error != EVRInitError.None)
{
throw new Exception("An error occured while initializing OpenVR!");
}
OpenVR.GetGenericInterface(OpenVR.IVRCompositor_Version, ref error);
if (error != EVRInitError.None)
{
throw new Exception("An error occured while initializing Compositor!");
}
OpenVR.GetGenericInterface(OpenVR.IVROverlay_Version, ref error);
if (error != EVRInitError.None)
{
throw new Exception("An error occured while initializing Overlay!");
}
var hmd = OpenVR.System;
var compositor = OpenVR.Compositor;
var overlay = OpenVR.Overlay;
ulong overlayHandle = 0;
// Non-dashboard overlay
EVROverlayError overlayError = overlay.CreateOverlay("overlayTest", "HL3", ref overlayHandle);
// Dashboard overlay
// ulong thumbnailHandle = 0;
// overlay.SetOverlayFromFile(thumbnailHandle, @"image.png");
// EVROverlayError overlayError = overlay.CreateDashboardOverlay("overlayTest", "HL3", ref overlayHandle, ref thumbnailHandle);
if (overlayError != EVROverlayError.None)
{
throw new Exception(overlayError.ToString());
}
// Set overlay parameters
overlay.SetOverlayWidthInMeters(overlayHandle, 1f);
// Non-dashboard overlay stuff
var nmatrix = OpenTKMatrixToOpenVRMatrix(new Matrix3x4(
new Vector4(1, 0, 0, 0),
new Vector4(0, 1, 0, 0),
new Vector4(0, 0, 1, 0)
));
// TODO: Figure out how to always get the left controller index and not hardcode it to 1 which could end up being the basestations or whatever.
overlay.SetOverlayTransformTrackedDeviceRelative(overlayHandle, 1, ref nmatrix);
overlay.SetOverlayInputMethod(overlayHandle, VROverlayInputMethod.Mouse);
var bmp = new Bitmap(@"image.png");
var textureID = GL.GenTexture();
System.Drawing.Imaging.BitmapData TextureData =
bmp.LockBits(
new Rectangle(0, 0, bmp.Width, bmp.Height),
System.Drawing.Imaging.ImageLockMode.ReadOnly,
System.Drawing.Imaging.PixelFormat.Format32bppArgb
);
GL.BindTexture(TextureTarget.Texture2D, textureID);
GL.TexImage2D(TextureTarget.Texture2D, 0, PixelInternalFormat.Rgba, bmp.Width, bmp.Height, 0, PixelFormat.Bgra, PixelType.UnsignedByte, TextureData.Scan0);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureMagFilter, (int)TextureMagFilter.Nearest);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapS, (int)TextureWrapMode.Repeat);
GL.TexParameter(TextureTarget.Texture2D, TextureParameterName.TextureWrapT, (int)TextureWrapMode.Repeat);
bmp.UnlockBits(TextureData);
var texture = new Texture_t();
texture.eType = EGraphicsAPIConvention.API_OpenGL;
texture.eColorSpace = EColorSpace.Auto;
texture.handle = (IntPtr)textureID;
overlay.SetOverlayTexture(overlayHandle, ref texture);
overlay.ShowOverlay(overlayHandle);
Console.ReadLine();
}
