backport from experimental

DesktopVRSwitch/DesktopVRSwitch.cs

@@ -0,0 +1,124 @@
+using NAK.Melons.DesktopVRSwitch.Patches;
+using System.Collections;
+using UnityEngine;
+using UnityEngine.XR;
+using Valve.VR;
+
+namespace NAK.Melons.DesktopVRSwitch;
+
+public class DesktopVRSwitch : MonoBehaviour
+{
+    //Settings
+    public bool _reloadLocalAvatar = true;
+
+    //Internal Stuff
+    private bool _switchInProgress = false;
+
+    void Start()
+    {
+        //do not pause game, this breaks dynbones & trackers
+        SteamVR_Settings.instance.pauseGameWhenDashboardVisible = false;
+    }
+
+    void Update()
+    {
+        if (Input.GetKeyDown(KeyCode.F6) && Input.GetKey(KeyCode.LeftControl))
+        {
+            SwitchVRMode();
+        }
+    }
+
+    public void SwitchVRMode()
+    {
+        if (_switchInProgress) return;
+        if (!IsInVR())
+        {
+            StartCoroutine(StartVRSystem());
+        }
+        else
+        {
+            StartCoroutine(StopVR());
+        }
+    }
+
+    public bool IsInVR() => XRSettings.enabled;
+
+    private IEnumerator StartVRSystem()
+    {
+        BeforeVRModeSwitch(true);
+        XRSettings.LoadDeviceByName("OpenVR");
+        yield return null;
+        if (string.IsNullOrEmpty(XRSettings.loadedDeviceName))
+        {
+            DesktopVRSwitchMod.Logger.Error("Initializing VR Failed. Is there no VR device connected?");
+        }
+        else
+        {
+            DesktopVRSwitchMod.Logger.Msg("Starting SteamVR...");
+            XRSettings.enabled = true;
+            //force steamvr to reinitialize input
+            //this does SteamVR_Input.actionSets[0].Activate() for us (we deactivate in StopVR())
+            //but only if SteamVR_Settings.instance.activateFirstActionSetOnStart is enabled
+            //which in ChilloutVR, it is, because all those settings are default
+            SteamVR_Input.Initialize(true);
+            yield return null;
+            AfterVRModeSwitch(true);
+        }
+        yield break;
+    }
+
+    private IEnumerator StopVR()
+    {
+        BeforeVRModeSwitch(false);
+        yield return null;
+        if (!string.IsNullOrEmpty(XRSettings.loadedDeviceName))
+        {
+            //deactivate the action set so SteamVR_Input.Initialize can reactivate
+            SteamVR_Input.actionSets[0].Deactivate(SteamVR_Input_Sources.Any);
+            SteamVR.SafeDispose(); //idk
+            XRSettings.LoadDeviceByName("");
+            XRSettings.enabled = false;
+            yield return null;
+            //reset physics time to Desktop default
+            Time.fixedDeltaTime = 0.02f;
+            AfterVRModeSwitch(false);
+        }
+        yield break;
+    }
+
+    //one frame before switch attempt
+    public void BeforeVRModeSwitch(bool enterVR)
+    {
+        //let tracked objects know we are attempting to switch
+        VRModeSwitchTracker.PreVRModeSwitch(enterVR);
+    }
+
+    //one frame after switch attempt
+    public void AfterVRModeSwitch(bool enterVR)
+    {
+        //these two must come first
+        TryCatchHell.SetCheckVR(enterVR);
+        TryCatchHell.SetMetaPort(enterVR);
+
+        //the bulk of funni changes
+        TryCatchHell.RepositionCohtmlHud(enterVR);
+        TryCatchHell.UpdateHudOperations(enterVR);
+        TryCatchHell.DisableMirrorCanvas();
+        TryCatchHell.SwitchActiveCameraRigs(enterVR);
+        TryCatchHell.ResetCVRInputManager();
+        TryCatchHell.UpdateRichPresence();
+        TryCatchHell.UpdateGestureReconizerCam();
+
+        //let tracked objects know we switched
+        VRModeSwitchTracker.PostVRModeSwitch(enterVR);
+
+        //reload avatar by default, optional for debugging
+        if (_reloadLocalAvatar)
+        {
+            TryCatchHell.ReloadLocalAvatar();
+        }
+
+        _switchInProgress = false;
+    }
+}
+