/// <summary>
/// Initialize HMD using OpenVR API calls.
/// </summary>
/// <returns>True on success, false otherwise. Errors logged.</returns>
bool InitHMD()
{
bool retVal = false;
// return if HMD has already been initialized
if (hmdIsInitialized)
{
return(true);
}
bool is64bit = (IntPtr.Size == 8);
string mypath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
log("OpenVR path set to " + Path.Combine(mypath, is64bit ? "win64" : "win32"));
SetDllDirectory(Path.Combine(mypath, is64bit ? "win64" : "win32"));
// check if HMD is connected on the system
retVal = OpenVR.IsHmdPresent();
if (!retVal)
{
err("HMD not found on this system.");
return(retVal);
}
// check if SteamVR runtime is installed.
// For this plugin, MAKE SURE IT IS ALREADY RUNNING.
retVal = OpenVR.IsRuntimeInstalled();
if (!retVal)
{
err("SteamVR runtime not found on this system.");
return(retVal);
}
// initialize HMD
EVRInitError hmdInitErrorCode = EVRInitError.None;
vrSystem = OpenVR.Init(ref hmdInitErrorCode, EVRApplicationType.VRApplication_Scene);
// return if failure
retVal = (hmdInitErrorCode == EVRInitError.None);
if (!retVal)
{
err("Failed to initialize HMD. Init returned: " + OpenVR.GetStringForHmdError(hmdInitErrorCode));
return(retVal);
}
else
{
log("OpenVR.Init passed.");
}
// reset "seated position" and capture initial position. this means you should hold the HMD in
// the position you would like to consider "seated", before running this code.
ResetInitialHmdPosition();
// initialize Compositor
vrCompositor = OpenVR.Compositor;
// initialize render textures (for displaying on HMD)
uint renderTextureWidth = 0;
uint renderTextureHeight = 0;
vrSystem.GetRecommendedRenderTargetSize(ref renderTextureWidth, ref renderTextureHeight);
//renderTextureWidth /= 2;
//renderTextureHeight /= 2;
log("Render Texture size: " + renderTextureWidth + " x " + renderTextureHeight);
hmdLeftEyeRenderTexture = new RenderTexture((int)renderTextureWidth, (int)renderTextureHeight, 24, RenderTextureFormat.ARGB32);
hmdLeftEyeRenderTexture.Create();
hmdRightEyeRenderTexture = new RenderTexture((int)renderTextureWidth, (int)renderTextureHeight, 24, RenderTextureFormat.ARGB32);
hmdRightEyeRenderTexture.Create();
hmdLeftEyeTexture.handle = hmdLeftEyeRenderTexture.GetNativeTexturePtr();
hmdLeftEyeTexture.eColorSpace = EColorSpace.Auto;
hmdRightEyeTexture.handle = hmdRightEyeRenderTexture.GetNativeTexturePtr();
hmdRightEyeTexture.eColorSpace = EColorSpace.Auto;
switch (SystemInfo.graphicsDeviceType)
{
case UnityEngine.Rendering.GraphicsDeviceType.OpenGL2:
case UnityEngine.Rendering.GraphicsDeviceType.OpenGLCore:
case UnityEngine.Rendering.GraphicsDeviceType.OpenGLES2:
case UnityEngine.Rendering.GraphicsDeviceType.OpenGLES3:
hmdLeftEyeTexture.eType = EGraphicsAPIConvention.API_OpenGL;
hmdRightEyeTexture.eType = EGraphicsAPIConvention.API_OpenGL;
break; //doesnt work in unity 5.4 with current SteamVR (12/2016)
case UnityEngine.Rendering.GraphicsDeviceType.Direct3D9:
throw (new Exception("DirectX9 not supported"));
case UnityEngine.Rendering.GraphicsDeviceType.Direct3D11:
hmdLeftEyeTexture.eType = EGraphicsAPIConvention.API_DirectX;
hmdRightEyeTexture.eType = EGraphicsAPIConvention.API_DirectX;
break;
default:
throw (new Exception(SystemInfo.graphicsDeviceType.ToString() + " not supported"));
}
// Set rendering bounds on texture to render?
// I assume min=0.0 and max=1.0 renders to the full extent of the texture
hmdTextureBounds.uMin = 0.0f;
hmdTextureBounds.uMax = 1.0f;
hmdTextureBounds.vMin = 0.0f;
hmdTextureBounds.vMax = 1.0f;
// TODO: Need to understand better how to create render targets and incorporate hidden area mask mesh
foreach (Camera camera in Camera.allCameras)
{
log("KSP Camera: " + camera.name);
}
// search for camera objects to render
foreach (string cameraName in cameraNamesToRender)
{
foreach (Camera camera in Camera.allCameras)
{
if (cameraName.Equals(camera.name))
{
float nearClipPlane = (camera.name.Equals(cameraNames[3])) ? 0.05f : camera.nearClipPlane;
HmdMatrix44_t projLeft = vrSystem.GetProjectionMatrix(EVREye.Eye_Left, nearClipPlane, camera.farClipPlane, EGraphicsAPIConvention.API_OpenGL);
HmdMatrix44_t projRight = vrSystem.GetProjectionMatrix(EVREye.Eye_Right, nearClipPlane, camera.farClipPlane, EGraphicsAPIConvention.API_OpenGL);
//HmdMatrix44_t projLeft = vrSystem.GetProjectionMatrix(EVREye.Eye_Left, nearClipPlane, camera.farClipPlane, EGraphicsAPIConvention.API_DirectX); // this doesn't seem to work
//HmdMatrix44_t projRight = vrSystem.GetProjectionMatrix(EVREye.Eye_Right, nearClipPlane, camera.farClipPlane, EGraphicsAPIConvention.API_DirectX); // this doesn't seem to work
camerasToRender.Add(new CameraProperties(camera, camera.projectionMatrix, MathUtils.Matrix4x4_OpenVr2UnityFormat(ref projLeft), MathUtils.Matrix4x4_OpenVr2UnityFormat(ref projRight)));
break;
}
}
}
// detect controllers
for (uint idx = 0; idx < OpenVR.k_unMaxTrackedDeviceCount; idx++)
{
if ((ctrlIndexLeft == 0) && (vrSystem.GetTrackedDeviceClass(idx) == ETrackedDeviceClass.Controller))
{
ctrlIndexLeft = idx;
}
else if ((ctrlIndexRight == 0) && (vrSystem.GetTrackedDeviceClass(idx) == ETrackedDeviceClass.Controller))
{
ctrlIndexRight = idx;
}
}
bool ctrlFocusCaptured = vrSystem.CaptureInputFocus();
if (!ctrlFocusCaptured)
{
warn("Controller input focus was not captured");
}
initTmr.Start();
return(retVal);
}
/// <summary>
/// Initialize HMD using OpenVR API calls.
/// </summary>
/// <returns>True on success, false otherwise. Errors logged.</returns>
bool InitHMD()
{
bool retVal = false;
// return if HMD has already been initialized
if (hmdIsInitialized)
{
return(true);
}
// check if HMD is connected on the system
retVal = OpenVR.IsHmdPresent();
if (!retVal)
{
Debug.Log("[KerbalVR] HMD not found on this system.");
return(retVal);
}
// check if SteamVR runtime is installed.
// For this plugin, MAKE SURE IT IS ALREADY RUNNING.
retVal = OpenVR.IsRuntimeInstalled();
if (!retVal)
{
Debug.Log("[KerbalVR] SteamVR runtime not found on this system.");
return(retVal);
}
// initialize HMD
EVRInitError hmdInitErrorCode = EVRInitError.None;
vrSystem = OpenVR.Init(ref hmdInitErrorCode, EVRApplicationType.VRApplication_Scene);
// return if failure
retVal = (hmdInitErrorCode == EVRInitError.None);
if (!retVal)
{
Debug.Log("[KerbalVR] Failed to initialize HMD. Init returned: " + OpenVR.GetStringForHmdError(hmdInitErrorCode));
return(retVal);
}
else
{
Debug.Log("[KerbalVR] OpenVR.Init passed.");
}
// reset "seated position" and capture initial position. this means you should hold the HMD in
// the position you would like to consider "seated", before running this code.
hmdIsInitialized = true;
ResetInitialHmdPosition();
// initialize Compositor
vrCompositor = OpenVR.Compositor;
// initialize render textures (for displaying on HMD)
uint renderTextureWidth = 0;
uint renderTextureHeight = 0;
vrSystem.GetRecommendedRenderTargetSize(ref renderTextureWidth, ref renderTextureHeight);
//renderTextureWidth /= 2;
//renderTextureHeight /= 2;
Debug.Log("[KerbalVR] Render Texture size: " + renderTextureWidth + " x " + renderTextureHeight);
hmdLeftEyeRenderTexture = new RenderTexture((int)renderTextureWidth, (int)renderTextureHeight, 24, RenderTextureFormat.ARGB32);
hmdLeftEyeRenderTexture.antiAliasing = 1;
hmdLeftEyeRenderTexture.Create();
hmdRightEyeRenderTexture = new RenderTexture((int)renderTextureWidth, (int)renderTextureHeight, 24, RenderTextureFormat.ARGB32);
hmdRightEyeRenderTexture.Create();
hmdLeftEyeTexture.handle = hmdLeftEyeRenderTexture.GetNativeTexturePtr();
hmdLeftEyeTexture.eType = EGraphicsAPIConvention.API_OpenGL;
//hmdLeftEyeTexture.eType = EGraphicsAPIConvention.API_DirectX; // this doesn't seem to work
hmdLeftEyeTexture.eColorSpace = EColorSpace.Auto;
hmdRightEyeTexture.handle = hmdRightEyeRenderTexture.GetNativeTexturePtr();
hmdRightEyeTexture.eType = EGraphicsAPIConvention.API_OpenGL;
//hmdRightEyeTexture.eType = EGraphicsAPIConvention.API_DirectX; // this doesn't seem to work
hmdRightEyeTexture.eColorSpace = EColorSpace.Auto;
// Set rendering bounds on texture to render?
// I assume min=0.0 and max=1.0 renders to the full extent of the texture
hmdTextureBounds.uMin = 0.0f;
hmdTextureBounds.uMax = 1.0f;
hmdTextureBounds.vMin = 0.0f;
hmdTextureBounds.vMax = 1.0f;
// create the hidden area mask meshes
HiddenAreaMesh_t vrHiddenAreaMesh = vrSystem.GetHiddenAreaMesh(EVREye.Eye_Left);
hmdHiddenAreaMeshLeft = SteamVR_Utils.CreateHiddenAreaMesh(vrHiddenAreaMesh, hmdTextureBounds);
vrHiddenAreaMesh = vrSystem.GetHiddenAreaMesh(EVREye.Eye_Right);
hmdHiddenAreaMeshRight = SteamVR_Utils.CreateHiddenAreaMesh(vrHiddenAreaMesh, hmdTextureBounds);
// TODO: Need to understand better how to create render targets and incorporate hidden area mask mesh
// search for camera objects to render
foreach (string cameraName in cameraNamesToRender)
{
foreach (Camera camera in Camera.allCameras)
{
if (cameraName.Equals(camera.name))
{
float nearClipPlane = (camera.name.Equals(cameraNames[3])) ? 0.05f : camera.nearClipPlane;
HmdMatrix44_t projLeft = vrSystem.GetProjectionMatrix(EVREye.Eye_Left, nearClipPlane, camera.farClipPlane, EGraphicsAPIConvention.API_OpenGL);
HmdMatrix44_t projRight = vrSystem.GetProjectionMatrix(EVREye.Eye_Right, nearClipPlane, camera.farClipPlane, EGraphicsAPIConvention.API_OpenGL);
//HmdMatrix44_t projLeft = vrSystem.GetProjectionMatrix(EVREye.Eye_Left, nearClipPlane, camera.farClipPlane, EGraphicsAPIConvention.API_DirectX); // this doesn't seem to work
//HmdMatrix44_t projRight = vrSystem.GetProjectionMatrix(EVREye.Eye_Right, nearClipPlane, camera.farClipPlane, EGraphicsAPIConvention.API_DirectX); // this doesn't seem to work
camerasToRender.Add(new CameraProperties(camera, camera.projectionMatrix, MathUtils.Matrix4x4_OpenVr2UnityFormat(ref projLeft), MathUtils.Matrix4x4_OpenVr2UnityFormat(ref projRight)));
break;
}
}
}
foreach (Camera camera in Camera.allCameras)
{
if (cameraNames[5].Equals(camera.name))
{
uiCamera = camera;
}
}
// detect controllers
for (uint idx = 0; idx < OpenVR.k_unMaxTrackedDeviceCount; idx++)
{
if ((ctrlIndexLeft == 0) && (vrSystem.GetTrackedDeviceClass(idx) == ETrackedDeviceClass.Controller))
{
ctrlIndexLeft = idx;
}
else if ((ctrlIndexRight == 0) && (vrSystem.GetTrackedDeviceClass(idx) == ETrackedDeviceClass.Controller))
{
ctrlIndexRight = idx;
}
}
bool ctrlFocusCaptured = vrSystem.CaptureInputFocus();
if (!ctrlFocusCaptured)
{
Debug.LogWarning("[KerbalVR] Controller input focus was not captured");
}
return(retVal);
}