// Token: 0x0600009D RID: 157 RVA: 0x000073DC File Offset: 0x000055DC
public void UpdateOverlay()
{
global::Valve.VR.CVROverlay overlay = global::Valve.VR.OpenVR.Overlay;
bool flag = overlay == null;
if (!flag)
{
bool flag2 = this.texture != null;
if (flag2)
{
global::Valve.VR.EVROverlayError evroverlayError = overlay.ShowOverlay(this.handle);
bool flag3 = evroverlayError == global::Valve.VR.EVROverlayError.InvalidHandle || evroverlayError == global::Valve.VR.EVROverlayError.UnknownOverlay;
if (flag3)
{
bool flag4 = overlay.FindOverlay(global::SteamVR_Overlay.key, ref this.handle) > global::Valve.VR.EVROverlayError.None;
if (flag4)
{
return;
}
}
global::Valve.VR.Texture_t texture_t = default(global::Valve.VR.Texture_t);
texture_t.handle = this.texture.GetNativeTexturePtr();
texture_t.eType = global::SteamVR.instance.graphicsAPI;
texture_t.eColorSpace = global::Valve.VR.EColorSpace.Auto;
overlay.SetOverlayTexture(this.handle, ref texture_t);
overlay.SetOverlayAlpha(this.handle, this.alpha);
overlay.SetOverlayWidthInMeters(this.handle, this.scale);
overlay.SetOverlayAutoCurveDistanceRangeInMeters(this.handle, this.curvedRange.x, this.curvedRange.y);
global::Valve.VR.VRTextureBounds_t vrtextureBounds_t = default(global::Valve.VR.VRTextureBounds_t);
vrtextureBounds_t.uMin = (0f + this.uvOffset.x) * this.uvOffset.z;
vrtextureBounds_t.vMin = (1f + this.uvOffset.y) * this.uvOffset.w;
vrtextureBounds_t.uMax = (1f + this.uvOffset.x) * this.uvOffset.z;
vrtextureBounds_t.vMax = (0f + this.uvOffset.y) * this.uvOffset.w;
overlay.SetOverlayTextureBounds(this.handle, ref vrtextureBounds_t);
global::Valve.VR.HmdVector2_t hmdVector2_t = default(global::Valve.VR.HmdVector2_t);
hmdVector2_t.v0 = this.mouseScale.x;
hmdVector2_t.v1 = this.mouseScale.y;
overlay.SetOverlayMouseScale(this.handle, ref hmdVector2_t);
global::SteamVR_Camera steamVR_Camera = global::SteamVR_Render.Top();
bool flag5 = steamVR_Camera != null && steamVR_Camera.origin != null;
if (flag5)
{
global::SteamVR_Utils.RigidTransform rigidTransform = new global::SteamVR_Utils.RigidTransform(steamVR_Camera.origin, base.transform);
rigidTransform.pos.x = rigidTransform.pos.x / steamVR_Camera.origin.localScale.x;
rigidTransform.pos.y = rigidTransform.pos.y / steamVR_Camera.origin.localScale.y;
rigidTransform.pos.z = rigidTransform.pos.z / steamVR_Camera.origin.localScale.z;
rigidTransform.pos.z = rigidTransform.pos.z + this.distance;
global::Valve.VR.HmdMatrix34_t hmdMatrix34_t = rigidTransform.ToHmdMatrix34();
overlay.SetOverlayTransformAbsolute(this.handle, global::SteamVR_Render.instance.trackingSpace, ref hmdMatrix34_t);
}
overlay.SetOverlayInputMethod(this.handle, this.inputMethod);
bool flag6 = this.curved || this.antialias;
if (flag6)
{
this.highquality = true;
}
bool flag7 = this.highquality;
if (flag7)
{
overlay.SetHighQualityOverlay(this.handle);
overlay.SetOverlayFlag(this.handle, global::Valve.VR.VROverlayFlags.Curved, this.curved);
overlay.SetOverlayFlag(this.handle, global::Valve.VR.VROverlayFlags.RGSS4X, this.antialias);
}
else
{
bool flag8 = overlay.GetHighQualityOverlay() == this.handle;
if (flag8)
{
overlay.SetHighQualityOverlay(0UL);
}
}
}
else
{
overlay.HideOverlay(this.handle);
}
}
}