C# DataSet.GetTrackables方法代码示例

    /// <summary>
    /// Finds DataSetTrackableBehaviours for this dataset and associates them with the Trackables in the DataSet.
    /// VirtualButtonBehaviours created in the scene are associated with the VirtualButtons in the DataSet or created there.
    /// 
    /// If there is a Trackable in the DataSet where no TrackableBehaviour exists yet, this Behaviour is created, together with its VirtualButtons.
    /// </summary>
    public void AssociateTrackableBehavioursForDataSet(DataSet dataSet)
    {
        // Step: Add all TrackableBehaviours that belong to this data set and
        // are already instantiated in the scene to the dictionary.
        DataSetTrackableBehaviour[] trackableBehaviours = (DataSetTrackableBehaviour[])
            Object.FindObjectsOfType(typeof(DataSetTrackableBehaviour));

        // Initialize all Image Targets
        foreach (DataSetTrackableBehaviour trackableBehaviour in trackableBehaviours)
        {
            IEditorDataSetTrackableBehaviour editorTrackableBehaviour = trackableBehaviour;
            if (editorTrackableBehaviour.TrackableName == null)
            {
                Debug.LogError("Found Trackable without name.");
                continue;
            }

            // check if the TrackableBehaviour references this DataSet
            if (editorTrackableBehaviour.DataSetPath.Equals(dataSet.Path))
            {
                bool matchFound = false;

                // find the trackable to be associated with this TrackableBehaviour:
                foreach(Trackable trackable in dataSet.GetTrackables())
                {
                    if (trackable.Name.Equals(editorTrackableBehaviour.TrackableName))
                    {
                        if (trackableBehaviour is ImageTargetBehaviour &&
                            trackable is ImageTarget)
                        {
                            IEditorImageTargetBehaviour editorImageTargetBehaviour = (ImageTargetBehaviour)trackableBehaviour;

                            matchFound = true;

                            editorImageTargetBehaviour.InitializeImageTarget((ImageTarget)trackable);
                            mTrackableBehaviours[trackable.ID] = trackableBehaviour;
                            Debug.Log("Found Trackable named " + trackableBehaviour.Trackable.Name +
                                        " with id " + trackableBehaviour.Trackable.ID);
                        }
                        else if (trackableBehaviour is MultiTargetBehaviour &&
                                 trackable is MultiTarget)
                        {
                            matchFound = true;

                            IEditorMultiTargetBehaviour editorMultiTargetBehaviour = (MultiTargetBehaviour)trackableBehaviour;
                            editorMultiTargetBehaviour.InitializeMultiTarget((MultiTarget)trackable);
                            mTrackableBehaviours[trackable.ID] = trackableBehaviour;
                            Debug.Log("Found Trackable named " + trackableBehaviour.Trackable.Name +
                                        " with id " + trackableBehaviour.Trackable.ID);
                        }
                    }
                }

                if (!matchFound)
                {
                    Debug.LogError("Could not associate DataSetTrackableBehaviour '" + editorTrackableBehaviour.TrackableName +
                        "' - no matching Trackable found in DataSet!");
                }
            }
        }

        // Step 2: Add all VirtualButtonBehaviours that belong to this data set
        // and are already instantiated in the scene to the dictionary.
        VirtualButtonBehaviour[] vbBehaviours = (VirtualButtonBehaviour[])
            Object.FindObjectsOfType(typeof(VirtualButtonBehaviour));
        AssociateVirtualButtonBehaviours(vbBehaviours, dataSet);

        // Step 3: Create TrackableBehaviours that are not existing in the scene.
        CreateMissingDataSetTrackableBehaviours(dataSet);
    }

    // Deactivates the given dataset.
    // This can only be done when the tracker is not running.
    public override bool DeactivateDataSet(DataSet dataSet)
    {
        if (dataSet == null)
        {
            Debug.LogError("Dataset is null.");
            return false;
        }

        DataSetImpl dataSetImpl = (DataSetImpl)dataSet;
        if (QCARWrapper.Instance.ImageTrackerDeactivateDataSet(dataSetImpl.DataSetPtr) == 0)
        {
            Debug.LogError("Could not deactivate dataset.");
            return false;
        }

        StateManagerImpl stateManager = (StateManagerImpl)TrackerManager.Instance.GetStateManager();

        // Deactivate all Trackables.
        foreach (Trackable trackable in dataSet.GetTrackables())
            stateManager.EnableTrackableBehavioursForTrackable(trackable, false);

        mActiveDataSets.Remove(dataSetImpl);
        return true;
    }

    private void CreateMissingDataSetTrackableBehaviours(DataSet dataSet)
    {
        foreach (Trackable trackable in dataSet.GetTrackables())
        {
            if (!mTrackableBehaviours.ContainsKey(trackable.ID))
            {
                if (trackable is ImageTarget)
                {
                    ImageTargetBehaviour itb = CreateImageTargetBehaviour((ImageTarget)trackable);

                    // Create Virtual Buttons for this Image Target.
                    ((IEditorImageTargetBehaviour)itb).CreateMissingVirtualButtonBehaviours();

                    // Add newly created Image Target to dictionary.
                    mTrackableBehaviours[trackable.ID] = itb;
                }
                else if (trackable is MultiTarget)
                {
                    MultiTargetBehaviour mtb = CreateMultiTargetBehaviour((MultiTarget)trackable);

                    // Add newly created Multi Target to dictionary.
                    mTrackableBehaviours[trackable.ID] = mtb;
                }
            }
        }
    }

    /// <summary>
    /// Finds DataSetTrackableBehaviours for this dataset and associates them with the Trackables in the DataSet.
    /// VirtualButtonBehaviours created in the scene are associated with the VirtualButtons in the DataSet or created there.
    /// 
    /// If there is a Trackable in the DataSet where no TrackableBehaviour exists yet, this Behaviour is created, together with its VirtualButtons.
    /// </summary>
    public void AssociateTrackableBehavioursForDataSet(DataSet dataSet)
    {
        // Step: Add all TrackableBehaviours that belong to this data set and
        // are already instantiated in the scene to the dictionary.
        DataSetTrackableBehaviour[] trackableBehaviours = (DataSetTrackableBehaviour[])
            Object.FindObjectsOfType(typeof(DataSetTrackableBehaviour));

        // Initialize all Image Targets
        foreach (DataSetTrackableBehaviour trackableBehaviour in trackableBehaviours)
        {
            // trackable has been destroyed and shouldn't be associated
            if (mBehavioursMarkedForDeletion.Contains(trackableBehaviour))
                continue;

            IEditorDataSetTrackableBehaviour editorTrackableBehaviour = trackableBehaviour;
            if (editorTrackableBehaviour.TrackableName == null)
            {
                Debug.LogError("Found Trackable without name.");
                continue;
            }

            // check if the TrackableBehaviour references this DataSet
            if (editorTrackableBehaviour.DataSetPath.Equals(dataSet.Path))
            {
                bool matchFound = false;

                // find the trackable to be associated with this TrackableBehaviour:
                foreach(Trackable trackable in dataSet.GetTrackables())
                {
                    if (trackable.Name.Equals(editorTrackableBehaviour.TrackableName))
                    {
                        if (mTrackableBehaviours.ContainsKey(trackable.ID))
                        {
                            // don't replace existing behaviour if it has been created manually
                            if (!mAutomaticallyCreatedBehaviours.Contains(trackable.ID) && !mBehavioursMarkedForDeletion.Contains(mTrackableBehaviours[trackable.ID]))
                            {
                                matchFound = true;
                                continue;
                            }

                            // destroy automatically created behaviour - will be replaced by new one
                            Object.Destroy(mTrackableBehaviours[trackable.ID].gameObject);
                            mTrackableBehaviours.Remove(trackable.ID);
                            mAutomaticallyCreatedBehaviours.Remove(trackable.ID);
                        }

                        if (trackableBehaviour is ImageTargetBehaviour &&
                            trackable is ImageTarget)
                        {
                            IEditorImageTargetBehaviour editorImageTargetBehaviour = (ImageTargetBehaviour)trackableBehaviour;

                            matchFound = true;

                            editorImageTargetBehaviour.InitializeImageTarget((ImageTarget)trackable);
                            mTrackableBehaviours[trackable.ID] = trackableBehaviour;
                            Debug.Log("Found Trackable named " + trackableBehaviour.Trackable.Name +
                                        " with id " + trackableBehaviour.Trackable.ID);
                        }
                        else if (trackableBehaviour is MultiTargetBehaviour &&
                                 trackable is MultiTarget)
                        {
                            matchFound = true;

                            IEditorMultiTargetBehaviour editorMultiTargetBehaviour = (MultiTargetBehaviour)trackableBehaviour;
                            editorMultiTargetBehaviour.InitializeMultiTarget((MultiTarget)trackable);
                            mTrackableBehaviours[trackable.ID] = trackableBehaviour;
                            Debug.Log("Found Trackable named " + trackableBehaviour.Trackable.Name +
                                        " with id " + trackableBehaviour.Trackable.ID);
                        }
                        else if (trackableBehaviour is CylinderTargetBehaviour &&
                                 trackable is CylinderTarget)
                        {
                            matchFound = true;

                            IEditorCylinderTargetBehaviour editorCylinderTargetBehaviour = (CylinderTargetBehaviour)trackableBehaviour;
                            editorCylinderTargetBehaviour.InitializeCylinderTarget((CylinderTarget)trackable);
                            mTrackableBehaviours[trackable.ID] = trackableBehaviour;
                            Debug.Log("Found Trackable named " + trackableBehaviour.Trackable.Name +
                                        " with id " + trackableBehaviour.Trackable.ID);
                        }
                    }
                }

                if (!matchFound)
                {
                    Debug.LogError("Could not associate DataSetTrackableBehaviour '" + editorTrackableBehaviour.TrackableName +
                        "' - no matching Trackable found in DataSet!");
                }
            }
        }

        // Step 2: Add all VirtualButtonBehaviours that belong to this data set
        // and are already instantiated in the scene to the dictionary.
        VirtualButtonBehaviour[] vbBehaviours = (VirtualButtonBehaviour[])
//.........这里部分代码省略.........