/// <summary>
/// Constructor of VLWorker.
/// </summary>
public VLWorker(VLAbstractApplicationWrapper aap, bool synchronous = false)
{
if (!synchronous)
{
this.handle = vlNew_Worker(aap.GetHandle());
}
else
{
this.handle = vlNew_SyncWorker(aap.GetHandle());
}
this.owner = true;
}
private void OnDestroy()
{
// Explicitly remove the listeners, so we know if everything went well
if (!this.worker.RemovePerformanceInfoListener(
dispatchPerformanceInfoCallbackDelegate,
GCHandle.ToIntPtr(this.gcHandle)))
{
Debug.LogWarning("[vlUnitySDK] Failed to remove performance info listener");
}
if (!this.worker.RemoveTrackingStateListener(
dispatchTrackingStateCallbackDelegate,
GCHandle.ToIntPtr(this.gcHandle)))
{
Debug.LogWarning("[vlUnitySDK] Failed to remove tracking state listener");
}
if (!this.worker.RemoveIntrinsicDataListener(
dispatchIntrinsicDataCallbackDelegate,
GCHandle.ToIntPtr(this.gcHandle)))
{
Debug.LogWarning("[vlUnitySDK] Failed to remove intrinsic data listener");
}
if (!this.worker.RemoveExtrinsicDataListener(
dispatchExtrinsicDataCallbackDelegate,
GCHandle.ToIntPtr(this.gcHandle)))
{
Debug.LogWarning("[vlUnitySDK] Failed to remove extrinsic data listener");
}
if (!this.worker.RemoveImageListener(
dispatchImageCallbackDelegate,
GCHandle.ToIntPtr(this.gcHandle)))
{
Debug.LogWarning("[vlUnitySDK] Failed to remove image listener");
}
// Release the worker reference (this is necessary, because it
// references native resources)
this.worker.Dispose();
this.worker = null;
// Release the log listener, because we will add a new one during the
// next call to Awake
this.logger.Dispose();
this.logger = null;
// Release the AbstractApplication reference (this is necessary,
// because it references native resources)
this.aap.Dispose();
this.aap = null;
// Release the handle to the current object
this.gcHandle.Free();
}
private void Awake()
{
// Get a handle to the current object and make sure, that the object
// doesn't get deleted by the garbage collector. We then use this
// handle as client data for the native callbacks. This allows us to
// retrieve the current address of the actual object during the
// callback execution. GCHandleType.Pinned is not necessary, because we
// are accessing the address only through the handle object, which gets
// stored in a global handle table.
this.gcHandle = GCHandle.Alloc(this);
// Print the version of the vlUnitySDK. If this works, then we can be
// quite certain, that other things also work.
string version;
string versionTimestamp;
string versionHash;
if (VLUnitySdk.GetVersionString(out version) &&
VLUnitySdk.GetVersionTimestampString(out versionTimestamp) &&
VLUnitySdk.GetVersionHashString(out versionHash))
{
Debug.Log("[vlUnitySDK] v" + version + " (" +
versionTimestamp + ", " + versionHash + ")");
}
else
{
Debug.LogWarning("[vlUnitySDK] Failed to get version strings");
}
// Construct the path to the directory with the tracking configurations,
// if it wasn't specified explicitly
if (String.IsNullOrEmpty(this.baseDir))
{
#if UNITY_ANDROID && !UNITY_EDITOR
this.baseDir = "file:///android_asset/VisionLib";
#else
this.baseDir = Path.Combine(
Application.streamingAssetsPath, "VisionLib");
#endif
}
// Construct the path to the Resources folder (the Resource folder is
// only used by certain platforms)
#if UNITY_ANDROID && !UNITY_EDITOR
this.resourceDir = "file:///android_asset/VisionLib/Resources";
#else
this.resourceDir = Path.Combine(
Application.streamingAssetsPath, "VisionLib/Resources");
#endif
// Create an AbstractApplication, which will manage the ActionPipe and
// DataSet
this.aap = new VLAbstractApplicationWrapper();
this.deviceInfo = this.aap.GetDeviceInfo();
// Set the path to the license file
#if UNITY_ANDROID && !UNITY_EDITOR
string absoluteLicenseFilePath = Path.Combine(
"file:///android_asset/", this.licenseFile.path);
#else
string absoluteLicenseFilePath = Path.Combine(
Application.streamingAssetsPath, this.licenseFile.path);
#endif
this.aap.SetLicenseFilePath(absoluteLicenseFilePath);
// Add a log listener, which will write all VisionLib logs to the
// Unity console
this.logger = new VLLogger();
#if UNITY_2017_1_OR_NEWER
// Unity 2017 with Mono .NET 4.6 as scripting runtime version can't
// properly handle callbacks from external threads. Until this is
// fixed, we need to buffer the log messages and fetch them from the
// main thread inside the update function.
this.logger.EnableLogBuffer();
#else
this.logger.DisableLogBuffer();
#endif
this.logger.SetLogLevel(this.logLevel);
// Print the host ID. This ID is needed for generating a license file.
string hostID;
if (this.aap.GetHostID(out hostID))
{
Debug.Log("[vlUnitySDK] HostID=" + hostID);
}
else
{
Debug.LogWarning("[vlUnitySDK] Failed to get host ID");
}
// Many VisionLib features are implemented as plugins, which we need
// to load first
string pluginPath = Application.dataPath +
Path.DirectorySeparatorChar + "Plugins";
// The plugins are in architecture specific sub-directories before the
// deployment
#if UNITY_EDITOR
pluginPath += Path.DirectorySeparatorChar + VLUnitySdk.subDir;
#endif
this.aap.AutoLoadPlugins(pluginPath);
// Create worker instance and register listeners for it
this.worker = new VLWorker(this.aap);
if (!this.worker.AddImageListener(
dispatchImageCallbackDelegate,
GCHandle.ToIntPtr(this.gcHandle)))
{
Debug.LogWarning("[vlUnitySDK] Failed to add image listener");
}
if (!this.worker.AddExtrinsicDataListener(
dispatchExtrinsicDataCallbackDelegate,
GCHandle.ToIntPtr(this.gcHandle)))
{
Debug.LogWarning("[vlUnitySDK] Failed to add extrinsic data listener");
}
if (!this.worker.AddIntrinsicDataListener(
dispatchIntrinsicDataCallbackDelegate,
GCHandle.ToIntPtr(this.gcHandle)))
{
Debug.LogWarning("[vlUnitySDK] Failed to add intrinsic data listener");
}
if (!this.worker.AddTrackingStateListener(
dispatchTrackingStateCallbackDelegate,
GCHandle.ToIntPtr(this.gcHandle)))
{
Debug.LogWarning("[vlUnitySDK] Failed to add tracking state listener");
}
if (!this.worker.AddPerformanceInfoListener(
dispatchPerformanceInfoCallbackDelegate,
GCHandle.ToIntPtr(this.gcHandle)))
{
Debug.LogWarning("[vlUnitySDK] Failed to add performance info listener");
}
}