// Helper to create (or reuse if possible) each of our different overlay types.
ulong GetOverlayHandle(string overlayName, Transform transform, float widthInMeters = 1.0f)
{
ulong handle = OpenVR.k_ulOverlayHandleInvalid;
var overlay = OpenVR.Overlay;
if (overlay == null)
{
return(handle);
}
var key = SteamVR_Overlay.key + "." + overlayName;
var error = overlay.FindOverlay(key, ref handle);
if (error != EVROverlayError.None)
{
error = overlay.CreateOverlay(key, overlayName, ref handle);
}
if (error == EVROverlayError.None)
{
overlay.ShowOverlay(handle);
overlay.SetOverlayAlpha(handle, alpha);
overlay.SetOverlayWidthInMeters(handle, widthInMeters);
// D3D textures are upside-down in Unity to match OpenGL.
if (SteamVR.instance.textureType == ETextureType.DirectX)
{
var textureBounds = new VRTextureBounds_t();
textureBounds.uMin = 0;
textureBounds.vMin = 1;
textureBounds.uMax = 1;
textureBounds.vMax = 0;
overlay.SetOverlayTextureBounds(handle, ref textureBounds);
}
// Convert from world space to tracking space using the top-most camera.
var vrcam = (loadingScreenDistance == 0.0f) ? SteamVR_Render.Top() : null;
if (vrcam != null && vrcam.origin != null)
{
var offset = new SteamVR_Utils.RigidTransform(vrcam.origin, transform);
offset.pos.x /= vrcam.origin.localScale.x;
offset.pos.y /= vrcam.origin.localScale.y;
offset.pos.z /= vrcam.origin.localScale.z;
var t = offset.ToHmdMatrix34();
overlay.SetOverlayTransformAbsolute(handle, SteamVR_Render.instance.trackingSpace, ref t);
}
else
{
var t = new SteamVR_Utils.RigidTransform(transform).ToHmdMatrix34();
overlay.SetOverlayTransformAbsolute(handle, SteamVR_Render.instance.trackingSpace, ref t);
}
}
return(handle);
}
void SetScale(float scale)
{
this.scale = scale;
var tracker = SteamVR_Render.Top();
if (tracker != null)
{
tracker.origin.localScale = new Vector3(scale, scale, scale);
}
}
public void ShowMenu()
{
var overlay = SteamVR_Overlay.instance;
if (overlay == null)
{
return;
}
var texture = overlay.texture as RenderTexture;
if (texture == null)
{
Debug.LogError("Menu requires overlay texture to be a render texture.");
return;
}
SaveCursorState();
Cursor.visible = true;
Cursor.lockState = CursorLockMode.None;
this.overlay = overlay;
uvOffset = overlay.uvOffset;
distance = overlay.distance;
// If an existing camera is rendering into the overlay texture, we need
// to temporarily disable it to keep it from clearing the texture on us.
var cameras = Object.FindObjectsOfType(typeof(Camera)) as Camera[];
foreach (var cam in cameras)
{
if (cam.enabled && cam.targetTexture == texture)
{
overlayCam = cam;
overlayCam.enabled = false;
break;
}
}
var tracker = SteamVR_Render.Top();
if (tracker != null)
{
scale = tracker.origin.localScale.x;
}
}
public void UpdateOverlay()
{
var overlay = OpenVR.Overlay;
if (overlay == null)
{
return;
}
if (texture != null)
{
var error = overlay.ShowOverlay(handle);
if (error == EVROverlayError.InvalidHandle || error == EVROverlayError.UnknownOverlay)
{
if (overlay.FindOverlay(key, ref handle) != EVROverlayError.None)
{
return;
}
}
var tex = new Texture_t();
tex.handle = texture.GetNativeTexturePtr();
tex.eType = SteamVR.instance.textureType;
tex.eColorSpace = EColorSpace.Auto;
overlay.SetOverlayTexture(handle, ref tex);
overlay.SetOverlayAlpha(handle, alpha);
overlay.SetOverlayWidthInMeters(handle, scale);
overlay.SetOverlayAutoCurveDistanceRangeInMeters(handle, curvedRange.x, curvedRange.y);
var textureBounds = new VRTextureBounds_t();
textureBounds.uMin = (0 + uvOffset.x) * uvOffset.z;
textureBounds.vMin = (1 + uvOffset.y) * uvOffset.w;
textureBounds.uMax = (1 + uvOffset.x) * uvOffset.z;
textureBounds.vMax = (0 + uvOffset.y) * uvOffset.w;
overlay.SetOverlayTextureBounds(handle, ref textureBounds);
var vecMouseScale = new HmdVector2_t();
vecMouseScale.v0 = mouseScale.x;
vecMouseScale.v1 = mouseScale.y;
overlay.SetOverlayMouseScale(handle, ref vecMouseScale);
var vrcam = SteamVR_Render.Top();
if (vrcam != null && vrcam.origin != null)
{
var offset = new SteamVR_Utils.RigidTransform(vrcam.origin, transform);
offset.pos.x /= vrcam.origin.localScale.x;
offset.pos.y /= vrcam.origin.localScale.y;
offset.pos.z /= vrcam.origin.localScale.z;
offset.pos.z += distance;
var t = offset.ToHmdMatrix34();
overlay.SetOverlayTransformAbsolute(handle, SteamVR_Render.instance.trackingSpace, ref t);
}
overlay.SetOverlayInputMethod(handle, inputMethod);
if (curved || antialias)
{
highquality = true;
}
if (highquality)
{
overlay.SetHighQualityOverlay(handle);
overlay.SetOverlayFlag(handle, VROverlayFlags.Curved, curved);
overlay.SetOverlayFlag(handle, VROverlayFlags.RGSS4X, antialias);
}
else if (overlay.GetHighQualityOverlay() == handle)
{
overlay.SetHighQualityOverlay(OpenVR.k_ulOverlayHandleInvalid);
}
}
else
{
overlay.HideOverlay(handle);
}
}
void OnGUI()
{
if (overlay == null)
{
return;
}
var texture = overlay.texture as RenderTexture;
var prevActive = RenderTexture.active;
RenderTexture.active = texture;
if (Event.current.type == EventType.Repaint)
{
GL.Clear(false, true, Color.clear);
}
var area = new Rect(0, 0, texture.width, texture.height);
// Account for screen smaller than texture (since mouse position gets clamped)
if (Screen.width < texture.width)
{
area.width = Screen.width;
overlay.uvOffset.x = -(float)(texture.width - Screen.width) / (2 * texture.width);
}
if (Screen.height < texture.height)
{
area.height = Screen.height;
overlay.uvOffset.y = (float)(texture.height - Screen.height) / (2 * texture.height);
}
GUILayout.BeginArea(area);
if (background != null)
{
GUI.DrawTexture(new Rect(
(area.width - background.width) / 2,
(area.height - background.height) / 2,
background.width, background.height), background);
}
GUILayout.BeginHorizontal();
GUILayout.FlexibleSpace();
GUILayout.BeginVertical();
if (logo != null)
{
GUILayout.Space(area.height / 2 - logoHeight);
GUILayout.Box(logo);
}
GUILayout.Space(menuOffset);
bool bHideMenu = GUILayout.Button("[Esc] - Close menu");
GUILayout.BeginHorizontal();
GUILayout.Label(string.Format("Scale: {0:N4}", scale));
{
var result = GUILayout.HorizontalSlider(scale, scaleLimits.x, scaleLimits.y);
if (result != scale)
{
SetScale(result);
}
}
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
GUILayout.Label(string.Format("Scale limits:"));
{
var result = GUILayout.TextField(scaleLimitX);
if (result != scaleLimitX)
{
if (float.TryParse(result, out scaleLimits.x))
{
scaleLimitX = result;
}
}
}
{
var result = GUILayout.TextField(scaleLimitY);
if (result != scaleLimitY)
{
if (float.TryParse(result, out scaleLimits.y))
{
scaleLimitY = result;
}
}
}
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
GUILayout.Label(string.Format("Scale rate:"));
{
var result = GUILayout.TextField(scaleRateText);
if (result != scaleRateText)
{
if (float.TryParse(result, out scaleRate))
{
scaleRateText = result;
}
}
}
GUILayout.EndHorizontal();
if (SteamVR.active)
{
var vr = SteamVR.instance;
GUILayout.BeginHorizontal();
{
var t = SteamVR_Camera.sceneResolutionScale;
int w = (int)(vr.sceneWidth * t);
int h = (int)(vr.sceneHeight * t);
int pct = (int)(100.0f * t);
GUILayout.Label(string.Format("Scene quality: {0}x{1} ({2}%)", w, h, pct));
var result = Mathf.RoundToInt(GUILayout.HorizontalSlider(pct, 50, 200));
if (result != pct)
{
SteamVR_Camera.sceneResolutionScale = (float)result / 100.0f;
}
}
GUILayout.EndHorizontal();
}
overlay.highquality = GUILayout.Toggle(overlay.highquality, "High quality");
if (overlay.highquality)
{
overlay.curved = GUILayout.Toggle(overlay.curved, "Curved overlay");
overlay.antialias = GUILayout.Toggle(overlay.antialias, "Overlay RGSS(2x2)");
}
else
{
overlay.curved = false;
overlay.antialias = false;
}
var tracker = SteamVR_Render.Top();
if (tracker != null)
{
tracker.wireframe = GUILayout.Toggle(tracker.wireframe, "Wireframe");
var render = SteamVR_Render.instance;
if (render.trackingSpace == ETrackingUniverseOrigin.TrackingUniverseSeated)
{
if (GUILayout.Button("Switch to Standing"))
{
render.trackingSpace = ETrackingUniverseOrigin.TrackingUniverseStanding;
}
if (GUILayout.Button("Center View"))
{
var system = OpenVR.System;
if (system != null)
{
system.ResetSeatedZeroPose();
}
}
}
else
{
if (GUILayout.Button("Switch to Seated"))
{
render.trackingSpace = ETrackingUniverseOrigin.TrackingUniverseSeated;
}
}
}
#if !UNITY_EDITOR
if (GUILayout.Button("Exit"))
{
Application.Quit();
}
#endif
GUILayout.Space(menuOffset);
var env = System.Environment.GetEnvironmentVariable("VR_OVERRIDE");
if (env != null)
{
GUILayout.Label("VR_OVERRIDE=" + env);
}
GUILayout.Label("Graphics device: " + SystemInfo.graphicsDeviceVersion);
GUILayout.EndVertical();
GUILayout.FlexibleSpace();
GUILayout.EndHorizontal();
GUILayout.EndArea();
if (cursor != null)
{
float x = Input.mousePosition.x, y = Screen.height - Input.mousePosition.y;
float w = cursor.width, h = cursor.height;
GUI.DrawTexture(new Rect(x, y, w, h), cursor);
}
RenderTexture.active = prevActive;
if (bHideMenu)
{
HideMenu();
}
}