/// <summary>
/// Called when the Hololens webcam is created and primed. Triggers
/// the enabling of voice commands for taking photos or ending
/// camera mode. Removes ability to erroneously start up texturing
/// process while the texturing process is underway. Sets the displayed
/// text.
/// </summary>
/// <param name="result">
/// The information/image saved from the PhotoCapture's photo capture.
/// </param>
static void OnStartPhotoMode(PhotoCapture.PhotoCaptureResult result)
{
VoiceManager.EnableVoiceCommand(VoiceCommands.Photo);
VoiceManager.EnableVoiceCommand(VoiceCommands.End);
VoiceManager.DisableVoiceCommand(VoiceCommands.Start);
TextManager.SetText(Messages.PhotoPrompt + Messages.AppendNumPhotosTaken());
}
/// <summary>
/// Initialization method. Must be called manually since this class
/// isn't attachable to a Unity object to make it auto-initiate.
/// Initializes variables, arrays, the camera, and enables the voice
/// command that triggers letting the camera take pictures for
/// texturing. Sets display text.
/// </summary>
public static void Start()
{
// Initialize variables
WorldToCameraMatrixArray = new Matrix4x4[MaxPhotoNum];
ProjectionMatrixArray = new Matrix4x4[MaxPhotoNum];
// Avoid potential null exceptions w/ future code changes
// by using temporary new matrix arrays
LocalToWorldMatrixArray = new Matrix4x4[1];
PositionArray = new Vector3[1];
RotationArray = new Quaternion[1];
MeshArray = new Mesh[1];
// Failsafe for Hololens camera and texture initialization
// Default assumed of 1280 pixels x 720 pixels
m_downgradedCameraResolution = new Resolution();
m_CameraParameters = new CameraParameters();
m_CameraResolution = new Resolution();
m_CameraResolution.width = 1280;
m_CameraResolution.height = 720;
m_Texture = new Texture2D(1280, 720);
// Run accurate Hololens camera and texture initialization
InitCamera();
m_Texture = new Texture2D(CameraResolution.width, CameraResolution.height);
// Enable voice command that triggers texturing process
VoiceManager.EnableVoiceCommand(VoiceCommands.Start);
TextManager.SetText(Messages.StartPrompt);
}
/// <summary>
/// Handles the logic of stopping the active webcam mode for the Hololens.
/// Disposes and nulls out the webcam object and disables voice commands.
/// Re-enables the start voice command to restart the process of taking
/// room textures if the user desires.
/// </summary>
/// <param name="result">
/// The success of stopping the OnStoppedPhotoMode.
/// </param>
static void OnStoppedPhotoMode(PhotoCapture.PhotoCaptureResult result)
{
// Disables the ability to take pictures, and cleans up/disposes of
// the photo capture object.
VoiceManager.DisableVoiceCommand(VoiceCommands.Photo);
photoCaptureObj.Dispose();
photoCaptureObj = null;
// Sets locally stored matrices and supplementary info required for
// correct texture placement, then saves them along with the mesh
SetLocalToWorldMatrices(); // Must be called before SaveMatrixArrays
SetMeshSupplementaryInfo();
string roomName = Config.RoomObject.GameObjectName;
MatrixArray.SaveMatrixArrays(WorldToCameraMatrixArray, ProjectionMatrixArray, LocalToWorldMatrixArray, currentPhoto);
CustomMesh.SaveMesh(MeshArray);
CustomOrientation.Save(PositionArray, RotationArray);
// ERROR TESTING - REMOVE // CustomMesh.SaveSupplementaryInfo(PositionArray, RotationArray);
// Disable the ability to end the photo capture process
VoiceManager.DisableVoiceCommand(VoiceCommands.End);
VoiceManager.EnableVoiceCommand(VoiceCommands.Start);
isEndingPhotoCapture = false;
TextManager.SetText("Finished!");
if (currentPhoto < MaxPhotoNum)
{
TextManager.SetText(Messages.PhotoCaptureEnded);
}
else
{
TextManager.SetText(Messages.MaxPhotosTaken);
}
}