/// <summary>
/// PrintDoc
/// </summary>
public void PrintDoc()
{
if (XR == null)
{
DialogBox.Msg("报表内容为空。");
}
else
{
XR.PrintDialog();
}
}
/// <summary>
/// needed for "Equals"
/// </summary>
/// <returns></returns>
public override int GetHashCode()
{
int hash = 13;
hash = (hash * 7) + X.GetHashCode();
hash = (hash * 7) + Y.GetHashCode();
hash = (hash * 7) + Z.GetHashCode();
hash = (hash * 7) + XR.GetHashCode();
hash = (hash * 7) + YR.GetHashCode();
hash = (hash * 7) + LT.GetHashCode();
hash = (hash * 7) + RT.GetHashCode();
hash = (hash * 7) + DpadDirection.GetHashCode();
hash = (hash * 7) + buttons.GetHashCode();
return(hash);
}
static unsafe XrExtensionProperties[] GetExtensionProperties()
{
uint extensionCount;
Check(XR.EnumerateInstanceExtensionProperties(null, 0, &extensionCount, null));
var properties = new XrExtensionProperties[checked ((int)extensionCount)];
for (int extension = 0; extension < extensionCount; extension++)
{
properties[extension] = new XrExtensionProperties {
type = XrStructureType.XR_TYPE_EXTENSION_PROPERTIES,
}
}
;
fixed(XrExtensionProperties *ptr = properties)
Check(XR.EnumerateInstanceExtensionProperties(null, extensionCount, &extensionCount, ptr));
return(properties);
}
private unsafe void Prepare()
{
// Create our API object for OpenXR.
Xr = XR.GetApi();
Extensions.Clear();
//Extensions.Add("XR_KHR_vulkan_enable2");
Extensions.Add("XR_KHR_vulkan_enable");
Extensions.Add("XR_EXT_hp_mixed_reality_controller");
Extensions.Add("XR_HTC_vive_cosmos_controller_interaction");
Extensions.Add("XR_MSFT_hand_interaction");
Extensions.Add("XR_EXT_samsung_odyssey_controller");
uint propCount = 0;
Xr.EnumerateInstanceExtensionProperties((byte *)null, 0, &propCount, null);
ExtensionProperties[] props = new ExtensionProperties[propCount];
for (int i = 0; i < props.Length; i++)
{
props[i].Type = StructureType.TypeExtensionProperties;
fixed(ExtensionProperties *pptr = &props[0])
Xr.EnumerateInstanceExtensionProperties((byte *)null, propCount, ref propCount, pptr);
List <string> AvailableExtensions = new List <string>();
for (int i = 0; i < props.Length; i++)
{
fixed(void *nptr = props[i].ExtensionName)
AvailableExtensions.Add(Marshal.PtrToStringAnsi(new System.IntPtr(nptr)));
}
for (int i = 0; i < Extensions.Count; i++)
{
if (AvailableExtensions.Contains(Extensions[i]) == false)
{
Extensions.RemoveAt(i);
i--;
}
}
InstanceCreateInfo instanceCreateInfo;
var appInfo = new ApplicationInfo()
{
ApiVersion = new Version64(1, 0, 9)
};
// We've got to marshal our strings and put them into global, immovable memory. To do that, we use
// SilkMarshal.
Span <byte> appName = new Span <byte>(appInfo.ApplicationName, 128);
Span <byte> engName = new Span <byte>(appInfo.EngineName, 128);
SilkMarshal.StringIntoSpan(System.AppDomain.CurrentDomain.FriendlyName, appName);
SilkMarshal.StringIntoSpan("FocusEngine", engName);
var requestedExtensions = SilkMarshal.StringArrayToPtr(Extensions);
instanceCreateInfo = new InstanceCreateInfo
(
applicationInfo: appInfo,
enabledExtensionCount: (uint)Extensions.Count,
enabledExtensionNames: (byte **)requestedExtensions
);
// Now we're ready to make our instance!
CheckResult(Xr.CreateInstance(in instanceCreateInfo, ref Instance), "CreateInstance");
// For our benefit, let's log some information about the instance we've just created.
// skip this, as it crashes on Oculus runtime and is not needed
/*InstanceProperties properties = new();
* CheckResult(Xr.GetInstanceProperties(Instance, ref properties), "GetInstanceProperties");
*
* var runtimeName = SilkMarshal.PtrToString((nint)properties.RuntimeName);
* var runtimeVersion = ((Version)(Version64)properties.RuntimeVersion).ToString(3);
*
* Console.WriteLine($"[INFO] Application: Using OpenXR Runtime \"{runtimeName}\" v{runtimeVersion}");*/
// We're creating a head-mounted-display (HMD, i.e. a VR headset) example, so we ask for a runtime which
// supports that form factor. The response we get is a ulong that is the System ID.
var getInfo = new SystemGetInfo(formFactor: FormFactor.HeadMountedDisplay);
CheckResult(Xr.GetSystem(Instance, in getInfo, ref system_id), "GetSystem");
}