soundvision/UnityProject/Assets/ThridParty/SteamVR/Scripts/SteamVR.cs
2019-10-29 16:13:37 +01:00

769 lines
No EOL
32 KiB
C#

//======= Copyright (c) Valve Corporation, All rights reserved. ===============
//
// Purpose: Access to SteamVR system (hmd) and compositor (distort) interfaces.
//
//=============================================================================
using UnityEngine;
using Valve.VR;
using System.IO;
using System.Linq;
#if UNITY_2017_2_OR_NEWER
using UnityEngine.XR;
#else
using XRSettings = UnityEngine.VR.VRSettings;
using XRDevice = UnityEngine.VR.VRDevice;
#endif
namespace Valve.VR
{
public class SteamVR : System.IDisposable
{
// Use this to check if SteamVR is currently active without attempting
// to activate it in the process.
public static bool active { get { return _instance != null; } }
// Set this to false to keep from auto-initializing when calling SteamVR.instance.
private static bool _enabled = true;
public static bool enabled
{
get
{
if (!XRSettings.enabled)
enabled = false;
return _enabled;
}
set
{
_enabled = value;
if (_enabled)
{
Initialize();
}
else
{
SafeDispose();
}
}
}
private static SteamVR _instance;
public static SteamVR instance
{
get
{
#if UNITY_EDITOR
if (!Application.isPlaying)
return null;
#endif
if (!enabled)
return null;
if (_instance == null)
{
_instance = CreateInstance();
// If init failed, then auto-disable so scripts don't continue trying to re-initialize things.
if (_instance == null)
_enabled = false;
}
return _instance;
}
}
public enum InitializedStates
{
None,
Initializing,
InitializeSuccess,
InitializeFailure,
}
public static InitializedStates initializedState = InitializedStates.None;
public static void Initialize(bool forceUnityVRMode = false)
{
if (forceUnityVRMode)
{
SteamVR_Behaviour.instance.InitializeSteamVR(true);
return;
}
else
{
if (_instance == null)
{
_instance = CreateInstance();
if (_instance == null)
_enabled = false;
}
}
if (_enabled)
SteamVR_Behaviour.Initialize(forceUnityVRMode);
}
public static bool usingNativeSupport
{
get { return XRDevice.GetNativePtr() != System.IntPtr.Zero; }
}
public static SteamVR_Settings settings { get; private set; }
private static void ReportGeneralErrors()
{
string errorLog = "<b>[SteamVR]</b> Initialization failed. ";
if (XRSettings.enabled == false)
errorLog += "VR may be disabled in player settings. Go to player settings in the editor and check the 'Virtual Reality Supported' checkbox'. ";
if (XRSettings.supportedDevices != null && XRSettings.supportedDevices.Length > 0)
{
if (XRSettings.supportedDevices.Contains("OpenVR") == false)
errorLog += "OpenVR is not in your list of supported virtual reality SDKs. Add it to the list in player settings. ";
else if (XRSettings.supportedDevices.First().Contains("OpenVR") == false)
errorLog += "OpenVR is not first in your list of supported virtual reality SDKs. <b>This is okay, but if you have an Oculus device plugged in, and Oculus above OpenVR in this list, it will try and use the Oculus SDK instead of OpenVR.</b> ";
}
else
{
errorLog += "You have no SDKs in your Player Settings list of supported virtual reality SDKs. Add OpenVR to it. ";
}
errorLog += "To force OpenVR initialization call SteamVR.Initialize(true). ";
Debug.LogWarning(errorLog);
}
private static SteamVR CreateInstance()
{
initializedState = InitializedStates.Initializing;
try
{
var error = EVRInitError.None;
if (!SteamVR.usingNativeSupport)
{
ReportGeneralErrors();
initializedState = InitializedStates.InitializeFailure;
SteamVR_Events.Initialized.Send(false);
return null;
}
// Verify common interfaces are valid.
OpenVR.GetGenericInterface(OpenVR.IVRCompositor_Version, ref error);
if (error != EVRInitError.None)
{
initializedState = InitializedStates.InitializeFailure;
ReportError(error);
ReportGeneralErrors();
SteamVR_Events.Initialized.Send(false);
return null;
}
OpenVR.GetGenericInterface(OpenVR.IVROverlay_Version, ref error);
if (error != EVRInitError.None)
{
initializedState = InitializedStates.InitializeFailure;
ReportError(error);
SteamVR_Events.Initialized.Send(false);
return null;
}
OpenVR.GetGenericInterface(OpenVR.IVRInput_Version, ref error);
if (error != EVRInitError.None)
{
initializedState = InitializedStates.InitializeFailure;
ReportError(error);
SteamVR_Events.Initialized.Send(false);
return null;
}
settings = SteamVR_Settings.instance;
if (Application.isEditor)
IdentifyEditorApplication();
SteamVR_Input.IdentifyActionsFile();
if (SteamVR_Settings.instance.inputUpdateMode != SteamVR_UpdateModes.Nothing || SteamVR_Settings.instance.poseUpdateMode != SteamVR_UpdateModes.Nothing)
{
SteamVR_Input.Initialize();
#if UNITY_EDITOR
if (SteamVR_Input.IsOpeningSetup())
return null;
#endif
}
}
catch (System.Exception e)
{
Debug.LogError("<b>[SteamVR]</b> " + e);
SteamVR_Events.Initialized.Send(false);
return null;
}
_enabled = true;
initializedState = InitializedStates.InitializeSuccess;
SteamVR_Events.Initialized.Send(true);
return new SteamVR();
}
static void ReportError(EVRInitError error)
{
switch (error)
{
case EVRInitError.None:
break;
case EVRInitError.VendorSpecific_UnableToConnectToOculusRuntime:
Debug.LogWarning("<b>[SteamVR]</b> Initialization Failed! Make sure device is on, Oculus runtime is installed, and OVRService_*.exe is running.");
break;
case EVRInitError.Init_VRClientDLLNotFound:
Debug.LogWarning("<b>[SteamVR]</b> Drivers not found! They can be installed via Steam under Library > Tools. Visit http://steampowered.com to install Steam.");
break;
case EVRInitError.Driver_RuntimeOutOfDate:
Debug.LogWarning("<b>[SteamVR]</b> Initialization Failed! Make sure device's runtime is up to date.");
break;
default:
Debug.LogWarning("<b>[SteamVR]</b> " + OpenVR.GetStringForHmdError(error));
break;
}
}
// native interfaces
public CVRSystem hmd { get; private set; }
public CVRCompositor compositor { get; private set; }
public CVROverlay overlay { get; private set; }
// tracking status
static public bool initializing { get; private set; }
static public bool calibrating { get; private set; }
static public bool outOfRange { get; private set; }
static public bool[] connected = new bool[OpenVR.k_unMaxTrackedDeviceCount];
// render values
public float sceneWidth { get; private set; }
public float sceneHeight { get; private set; }
public float aspect { get; private set; }
public float fieldOfView { get; private set; }
public Vector2 tanHalfFov { get; private set; }
public VRTextureBounds_t[] textureBounds { get; private set; }
public SteamVR_Utils.RigidTransform[] eyes { get; private set; }
public ETextureType textureType;
// hmd properties
public string hmd_TrackingSystemName { get { return GetStringProperty(ETrackedDeviceProperty.Prop_TrackingSystemName_String); } }
public string hmd_ModelNumber { get { return GetStringProperty(ETrackedDeviceProperty.Prop_ModelNumber_String); } }
public string hmd_SerialNumber { get { return GetStringProperty(ETrackedDeviceProperty.Prop_SerialNumber_String); } }
public float hmd_SecondsFromVsyncToPhotons { get { return GetFloatProperty(ETrackedDeviceProperty.Prop_SecondsFromVsyncToPhotons_Float); } }
public float hmd_DisplayFrequency { get { return GetFloatProperty(ETrackedDeviceProperty.Prop_DisplayFrequency_Float); } }
public EDeviceActivityLevel GetHeadsetActivityLevel()
{
return OpenVR.System.GetTrackedDeviceActivityLevel(OpenVR.k_unTrackedDeviceIndex_Hmd);
}
public string GetTrackedDeviceString(uint deviceId)
{
var error = ETrackedPropertyError.TrackedProp_Success;
var capacity = hmd.GetStringTrackedDeviceProperty(deviceId, ETrackedDeviceProperty.Prop_AttachedDeviceId_String, null, 0, ref error);
if (capacity > 1)
{
var result = new System.Text.StringBuilder((int)capacity);
hmd.GetStringTrackedDeviceProperty(deviceId, ETrackedDeviceProperty.Prop_AttachedDeviceId_String, result, capacity, ref error);
return result.ToString();
}
return null;
}
public string GetStringProperty(ETrackedDeviceProperty prop, uint deviceId = OpenVR.k_unTrackedDeviceIndex_Hmd)
{
var error = ETrackedPropertyError.TrackedProp_Success;
var capactiy = hmd.GetStringTrackedDeviceProperty(deviceId, prop, null, 0, ref error);
if (capactiy > 1)
{
var result = new System.Text.StringBuilder((int)capactiy);
hmd.GetStringTrackedDeviceProperty(deviceId, prop, result, capactiy, ref error);
return result.ToString();
}
return (error != ETrackedPropertyError.TrackedProp_Success) ? error.ToString() : "<unknown>";
}
public float GetFloatProperty(ETrackedDeviceProperty prop, uint deviceId = OpenVR.k_unTrackedDeviceIndex_Hmd)
{
var error = ETrackedPropertyError.TrackedProp_Success;
return hmd.GetFloatTrackedDeviceProperty(deviceId, prop, ref error);
}
private static bool runningTemporarySession = false;
public static bool InitializeTemporarySession(bool initInput = false)
{
if (Application.isEditor)
{
//bool needsInit = (!active && !usingNativeSupport && !runningTemporarySession);
EVRInitError initError = EVRInitError.None;
OpenVR.GetGenericInterface(OpenVR.IVRCompositor_Version, ref initError);
bool needsInit = initError != EVRInitError.None;
if (needsInit)
{
EVRInitError error = EVRInitError.None;
OpenVR.Init(ref error, EVRApplicationType.VRApplication_Overlay);
if (error != EVRInitError.None)
{
Debug.LogError("<b>[SteamVR]</b> Error during OpenVR Init: " + error.ToString());
return false;
}
IdentifyEditorApplication(false);
SteamVR_Input.IdentifyActionsFile(false);
runningTemporarySession = true;
}
if (initInput)
{
SteamVR_Input.Initialize(true);
}
return needsInit;
}
return false;
}
public static void ExitTemporarySession()
{
if (runningTemporarySession)
{
OpenVR.Shutdown();
runningTemporarySession = false;
}
}
#if UNITY_EDITOR
public static void ShowBindingsForEditor()
{
bool temporarySession = InitializeTemporarySession(false);
Valve.VR.EVRSettingsError bindingFlagError = Valve.VR.EVRSettingsError.None;
Valve.VR.OpenVR.Settings.SetBool(Valve.VR.OpenVR.k_pch_SteamVR_Section, Valve.VR.OpenVR.k_pch_SteamVR_DebugInputBinding, true, ref bindingFlagError);
if (bindingFlagError != Valve.VR.EVRSettingsError.None)
Debug.LogError("<b>[SteamVR]</b> Error turning on the debug input binding flag in steamvr: " + bindingFlagError.ToString());
if (Application.isPlaying == false)
{
IdentifyEditorApplication();
SteamVR_Input.IdentifyActionsFile();
}
if (temporarySession)
ExitTemporarySession();
string bindingurl = "http://localhost:8998/dashboard/controllerbinding.html?app=" + SteamVR_Settings.instance.editorAppKey;
#if UNITY_STANDALONE_WIN
SteamVR_Windows_Editor_Helper.BrowserApplication browser = SteamVR_Windows_Editor_Helper.GetDefaultBrowser();
if (browser == SteamVR_Windows_Editor_Helper.BrowserApplication.Unknown)
{
Debug.LogError("<b>[SteamVR]</b> Unfortunately we were unable to detect your default browser. You may need to manually open the controller binding UI from SteamVR if it does not open successfully. SteamVR Menu -> Devices -> Controller Input Binding. Press play in your application to get it running then select it under Current Application.");
}
else if (browser == SteamVR_Windows_Editor_Helper.BrowserApplication.Edge)
{
Debug.LogError("<b>[SteamVR]</b> Microsoft Edge sometimes has issues with opening localhost webpages. You may need to manually open the controller binding UI from SteamVR if it did not load successfully. SteamVR Menu -> Devices -> Controller Input Binding. Press play in your application to get it running then select it under Current Application.");
}
#endif
Application.OpenURL(bindingurl); //todo: update with the actual api call
}
public static string GetSteamVRFolderParentPath(bool localToAssetsFolder = false)
{
SteamVR_Settings asset = ScriptableObject.CreateInstance<SteamVR_Settings>();
UnityEditor.MonoScript scriptAsset = UnityEditor.MonoScript.FromScriptableObject(asset);
string scriptPath = UnityEditor.AssetDatabase.GetAssetPath(scriptAsset);
System.IO.FileInfo settingsScriptFileInfo = new System.IO.FileInfo(scriptPath);
string fullPath = settingsScriptFileInfo.Directory.Parent.Parent.FullName;
if (localToAssetsFolder == false)
return fullPath;
else
{
System.IO.DirectoryInfo assetsDirectoryInfo = new DirectoryInfo(Application.dataPath);
string localPath = fullPath.Substring(assetsDirectoryInfo.Parent.FullName.Length + 1); //plus separator char
return localPath;
}
}
public static string GetSteamVRFolderPath(bool localToAssetsFolder = false)
{
SteamVR_Settings asset = ScriptableObject.CreateInstance<SteamVR_Settings>();
UnityEditor.MonoScript scriptAsset = UnityEditor.MonoScript.FromScriptableObject(asset);
string scriptPath = UnityEditor.AssetDatabase.GetAssetPath(scriptAsset);
System.IO.FileInfo settingsScriptFileInfo = new System.IO.FileInfo(scriptPath);
string fullPath = settingsScriptFileInfo.Directory.Parent.FullName;
if (localToAssetsFolder == false)
return fullPath;
else
{
System.IO.DirectoryInfo assetsDirectoryInfo = new DirectoryInfo(Application.dataPath);
string localPath = fullPath.Substring(assetsDirectoryInfo.Parent.FullName.Length + 1); //plus separator char
return localPath;
}
}
public static string GetSteamVRResourcesFolderPath(bool localToAssetsFolder = false)
{
string basePath = GetSteamVRFolderParentPath(localToAssetsFolder);
string folderPath = Path.Combine(basePath, "SteamVR_Resources");
if (Directory.Exists(folderPath) == false)
Directory.CreateDirectory(folderPath);
string resourcesFolderPath = Path.Combine(folderPath, "Resources");
if (Directory.Exists(resourcesFolderPath) == false)
Directory.CreateDirectory(resourcesFolderPath);
return resourcesFolderPath;
}
#endif
public const string defaultUnityAppKeyTemplate = "application.generated.unity.{0}.exe";
public const string defaultAppKeyTemplate = "application.generated.{0}";
public static string GenerateAppKey()
{
string productName = GenerateCleanProductName();
return string.Format(defaultUnityAppKeyTemplate, productName);
}
public static string GenerateCleanProductName()
{
string productName = Application.productName;
if (string.IsNullOrEmpty(productName))
productName = "unnamed_product";
else
{
productName = System.Text.RegularExpressions.Regex.Replace(Application.productName, "[^\\w\\._]", "");
productName = productName.ToLower();
}
return productName;
}
private static string GetManifestFile()
{
string currentPath = Application.dataPath;
int lastIndex = currentPath.LastIndexOf('/');
currentPath = currentPath.Remove(lastIndex, currentPath.Length - lastIndex);
string fullPath = Path.Combine(currentPath, "unityProject.vrmanifest");
FileInfo fullManifestPath = new FileInfo(SteamVR_Input.GetActionsFilePath());
if (File.Exists(fullPath))
{
string jsonText = File.ReadAllText(fullPath);
SteamVR_Input_ManifestFile existingFile = Valve.Newtonsoft.Json.JsonConvert.DeserializeObject<SteamVR_Input_ManifestFile>(jsonText);
if (existingFile != null && existingFile.applications != null && existingFile.applications.Count > 0 &&
existingFile.applications[0].app_key != SteamVR_Settings.instance.editorAppKey)
{
Debug.Log("<b>[SteamVR]</b> Deleting existing VRManifest because it has a different app key.");
FileInfo existingInfo = new FileInfo(fullPath);
if (existingInfo.IsReadOnly)
existingInfo.IsReadOnly = false;
existingInfo.Delete();
}
if (existingFile != null && existingFile.applications != null && existingFile.applications.Count > 0 &&
existingFile.applications[0].action_manifest_path != fullManifestPath.FullName)
{
Debug.Log("<b>[SteamVR]</b> Deleting existing VRManifest because it has a different action manifest path:" +
"\nExisting:" + existingFile.applications[0].action_manifest_path +
"\nNew: " + fullManifestPath.FullName);
FileInfo existingInfo = new FileInfo(fullPath);
if (existingInfo.IsReadOnly)
existingInfo.IsReadOnly = false;
existingInfo.Delete();
}
}
if (File.Exists(fullPath) == false)
{
SteamVR_Input_ManifestFile manifestFile = new SteamVR_Input_ManifestFile();
manifestFile.source = "Unity";
SteamVR_Input_ManifestFile_Application manifestApplication = new SteamVR_Input_ManifestFile_Application();
manifestApplication.app_key = SteamVR_Settings.instance.editorAppKey;
manifestApplication.action_manifest_path = fullManifestPath.FullName;
manifestApplication.launch_type = "url";
//manifestApplication.binary_path_windows = SteamVR_Utils.ConvertToForwardSlashes(System.Diagnostics.Process.GetCurrentProcess().MainModule.FileName);
//manifestApplication.binary_path_linux = SteamVR_Utils.ConvertToForwardSlashes(System.Diagnostics.Process.GetCurrentProcess().MainModule.FileName);
//manifestApplication.binary_path_osx = SteamVR_Utils.ConvertToForwardSlashes(System.Diagnostics.Process.GetCurrentProcess().MainModule.FileName);
manifestApplication.url = "steam://launch/";
manifestApplication.strings.Add("en_us", new SteamVR_Input_ManifestFile_ApplicationString() { name = string.Format("{0} [Testing]", Application.productName) });
/*
var bindings = new System.Collections.Generic.List<SteamVR_Input_ManifestFile_Application_Binding>();
SteamVR_Input.InitializeFile();
if (SteamVR_Input.actionFile != null)
{
string[] bindingFiles = SteamVR_Input.actionFile.GetFilesToCopy(true);
if (bindingFiles.Length == SteamVR_Input.actionFile.default_bindings.Count)
{
for (int bindingIndex = 0; bindingIndex < bindingFiles.Length; bindingIndex++)
{
SteamVR_Input_ManifestFile_Application_Binding binding = new SteamVR_Input_ManifestFile_Application_Binding();
binding.binding_url = bindingFiles[bindingIndex];
binding.controller_type = SteamVR_Input.actionFile.default_bindings[bindingIndex].controller_type;
bindings.Add(binding);
}
manifestApplication.bindings = bindings;
}
else
{
Debug.LogError("<b>[SteamVR]</b> Mismatch in available binding files.");
}
}
else
{
Debug.LogError("<b>[SteamVR]</b> Could not load actions file.");
}
*/
manifestFile.applications = new System.Collections.Generic.List<SteamVR_Input_ManifestFile_Application>();
manifestFile.applications.Add(manifestApplication);
string json = Valve.Newtonsoft.Json.JsonConvert.SerializeObject(manifestFile, Valve.Newtonsoft.Json.Formatting.Indented,
new Valve.Newtonsoft.Json.JsonSerializerSettings { NullValueHandling = Valve.Newtonsoft.Json.NullValueHandling.Ignore });
File.WriteAllText(fullPath, json);
}
return fullPath;
}
private static void IdentifyEditorApplication(bool showLogs = true)
{
//bool isInstalled = OpenVR.Applications.IsApplicationInstalled(SteamVR_Settings.instance.editorAppKey);
if (string.IsNullOrEmpty(SteamVR_Settings.instance.editorAppKey))
{
Debug.LogError("<b>[SteamVR]</b> Critical Error identifying application. EditorAppKey is null or empty. Input may not work.");
return;
}
string manifestPath = GetManifestFile();
EVRApplicationError addManifestErr = OpenVR.Applications.AddApplicationManifest(manifestPath, true);
if (addManifestErr != EVRApplicationError.None)
Debug.LogError("<b>[SteamVR]</b> Error adding vr manifest file: " + addManifestErr.ToString());
else
{
if (showLogs)
Debug.Log("<b>[SteamVR]</b> Successfully added VR manifest to SteamVR");
}
int processId = System.Diagnostics.Process.GetCurrentProcess().Id;
EVRApplicationError applicationIdentifyErr = OpenVR.Applications.IdentifyApplication((uint)processId, SteamVR_Settings.instance.editorAppKey);
if (applicationIdentifyErr != EVRApplicationError.None)
Debug.LogError("<b>[SteamVR]</b> Error identifying application: " + applicationIdentifyErr.ToString());
else
{
if (showLogs)
Debug.Log(string.Format("<b>[SteamVR]</b> Successfully identified process as editor project to SteamVR ({0})", SteamVR_Settings.instance.editorAppKey));
}
}
#region Event callbacks
private void OnInitializing(bool initializing)
{
SteamVR.initializing = initializing;
}
private void OnCalibrating(bool calibrating)
{
SteamVR.calibrating = calibrating;
}
private void OnOutOfRange(bool outOfRange)
{
SteamVR.outOfRange = outOfRange;
}
private void OnDeviceConnected(int i, bool connected)
{
SteamVR.connected[i] = connected;
}
private void OnNewPoses(TrackedDevicePose_t[] poses)
{
// Update eye offsets to account for IPD changes.
eyes[0] = new SteamVR_Utils.RigidTransform(hmd.GetEyeToHeadTransform(EVREye.Eye_Left));
eyes[1] = new SteamVR_Utils.RigidTransform(hmd.GetEyeToHeadTransform(EVREye.Eye_Right));
for (int i = 0; i < poses.Length; i++)
{
var connected = poses[i].bDeviceIsConnected;
if (connected != SteamVR.connected[i])
{
SteamVR_Events.DeviceConnected.Send(i, connected);
}
}
if (poses.Length > OpenVR.k_unTrackedDeviceIndex_Hmd)
{
var result = poses[OpenVR.k_unTrackedDeviceIndex_Hmd].eTrackingResult;
var initializing = result == ETrackingResult.Uninitialized;
if (initializing != SteamVR.initializing)
{
SteamVR_Events.Initializing.Send(initializing);
}
var calibrating =
result == ETrackingResult.Calibrating_InProgress ||
result == ETrackingResult.Calibrating_OutOfRange;
if (calibrating != SteamVR.calibrating)
{
SteamVR_Events.Calibrating.Send(calibrating);
}
var outOfRange =
result == ETrackingResult.Running_OutOfRange ||
result == ETrackingResult.Calibrating_OutOfRange;
if (outOfRange != SteamVR.outOfRange)
{
SteamVR_Events.OutOfRange.Send(outOfRange);
}
}
}
#endregion
private SteamVR()
{
hmd = OpenVR.System;
Debug.Log("<b>[SteamVR]</b> Initialized. Connected to " + hmd_TrackingSystemName + ":" + hmd_SerialNumber);
compositor = OpenVR.Compositor;
overlay = OpenVR.Overlay;
// Setup render values
uint w = 0, h = 0;
hmd.GetRecommendedRenderTargetSize(ref w, ref h);
sceneWidth = (float)w;
sceneHeight = (float)h;
float l_left = 0.0f, l_right = 0.0f, l_top = 0.0f, l_bottom = 0.0f;
hmd.GetProjectionRaw(EVREye.Eye_Left, ref l_left, ref l_right, ref l_top, ref l_bottom);
float r_left = 0.0f, r_right = 0.0f, r_top = 0.0f, r_bottom = 0.0f;
hmd.GetProjectionRaw(EVREye.Eye_Right, ref r_left, ref r_right, ref r_top, ref r_bottom);
tanHalfFov = new Vector2(
Mathf.Max(-l_left, l_right, -r_left, r_right),
Mathf.Max(-l_top, l_bottom, -r_top, r_bottom));
textureBounds = new VRTextureBounds_t[2];
textureBounds[0].uMin = 0.5f + 0.5f * l_left / tanHalfFov.x;
textureBounds[0].uMax = 0.5f + 0.5f * l_right / tanHalfFov.x;
textureBounds[0].vMin = 0.5f - 0.5f * l_bottom / tanHalfFov.y;
textureBounds[0].vMax = 0.5f - 0.5f * l_top / tanHalfFov.y;
textureBounds[1].uMin = 0.5f + 0.5f * r_left / tanHalfFov.x;
textureBounds[1].uMax = 0.5f + 0.5f * r_right / tanHalfFov.x;
textureBounds[1].vMin = 0.5f - 0.5f * r_bottom / tanHalfFov.y;
textureBounds[1].vMax = 0.5f - 0.5f * r_top / tanHalfFov.y;
// Grow the recommended size to account for the overlapping fov
sceneWidth = sceneWidth / Mathf.Max(textureBounds[0].uMax - textureBounds[0].uMin, textureBounds[1].uMax - textureBounds[1].uMin);
sceneHeight = sceneHeight / Mathf.Max(textureBounds[0].vMax - textureBounds[0].vMin, textureBounds[1].vMax - textureBounds[1].vMin);
aspect = tanHalfFov.x / tanHalfFov.y;
fieldOfView = 2.0f * Mathf.Atan(tanHalfFov.y) * Mathf.Rad2Deg;
eyes = new SteamVR_Utils.RigidTransform[] {
new SteamVR_Utils.RigidTransform(hmd.GetEyeToHeadTransform(EVREye.Eye_Left)),
new SteamVR_Utils.RigidTransform(hmd.GetEyeToHeadTransform(EVREye.Eye_Right)) };
switch (SystemInfo.graphicsDeviceType)
{
#if (UNITY_5_4)
case UnityEngine.Rendering.GraphicsDeviceType.OpenGL2:
#endif
case UnityEngine.Rendering.GraphicsDeviceType.OpenGLCore:
case UnityEngine.Rendering.GraphicsDeviceType.OpenGLES2:
case UnityEngine.Rendering.GraphicsDeviceType.OpenGLES3:
textureType = ETextureType.OpenGL;
break;
#if !(UNITY_5_4)
case UnityEngine.Rendering.GraphicsDeviceType.Vulkan:
textureType = ETextureType.Vulkan;
break;
#endif
default:
textureType = ETextureType.DirectX;
break;
}
SteamVR_Events.Initializing.Listen(OnInitializing);
SteamVR_Events.Calibrating.Listen(OnCalibrating);
SteamVR_Events.OutOfRange.Listen(OnOutOfRange);
SteamVR_Events.DeviceConnected.Listen(OnDeviceConnected);
SteamVR_Events.NewPoses.Listen(OnNewPoses);
}
~SteamVR()
{
Dispose(false);
}
public void Dispose()
{
Dispose(true);
System.GC.SuppressFinalize(this);
}
private void Dispose(bool disposing)
{
SteamVR_Events.Initializing.Remove(OnInitializing);
SteamVR_Events.Calibrating.Remove(OnCalibrating);
SteamVR_Events.OutOfRange.Remove(OnOutOfRange);
SteamVR_Events.DeviceConnected.Remove(OnDeviceConnected);
SteamVR_Events.NewPoses.Remove(OnNewPoses);
_instance = null;
}
// Use this interface to avoid accidentally creating the instance in the process of attempting to dispose of it.
public static void SafeDispose()
{
if (_instance != null)
_instance.Dispose();
}
}
}