void Start() {
// If initialization is incomplete
if (GameObject.Find ("PermanentObjects") == null) {
SceneManager.LoadScene ("sc0_pom");
return;
}
pom = GameObject.Find ("PermanentObjects").GetComponent <PermanentObjectsManager> ();
drawingArea = GameObject.Find ("DrawingCanvas").GetComponentsInChildren <Transform>()[2];
foreach (Transform child in drawingArea) {
if (child.name == "Background") background = child;
if (child.name == "MainPanel") mainPanel = child;
if (child.name == "ComputeSettingsPanel") computeSettingsPanel = child;
if (child.name == "LoadSettingsPanel") loadSettingsPanel = child;
if (child.name == "LoadingBarPanel") loadingBarPanel = child;
}
mainTabManager = mainPanel.GetComponent <TabManager>();
computeSettingsManager = computeSettingsPanel.GetComponent <ComputeSettingsManager>();
loadSettingsManager = loadSettingsPanel.GetComponent <LoadSettingsManager>();
loadingBarManager = loadingBarPanel.GetComponent <LoadingBarManager>();
mainTabManager.Initialize ();
computeSettingsManager.Initialize ();
loadSettingsManager.Initialize ();
loadingBarManager.Initialize ();
tab1 = mainTabManager.GetTab (1);
tab2 = mainTabManager.GetTab (2);
foreach (Transform child in tab1) {
if (child.name == "Formula_dropdown")
formula_dropdown = child.GetComponent <Dropdown> ();
if (child.name == "FooterButtonsSection")
dropdownComputeFooter = child;
if (child.name == "FooterVisualizationSection") {
visualizationComputeFooter = child;
foreach (Transform child2 in visualizationComputeFooter) {
if (child2.name == "DisplayArea")
formula_text = child2.GetComponentsInChildren <Text> () [0];
}
}
}
foreach (Transform child in tab2) {
if (child.name == "FileName")
fileName_text = child.GetComponentsInChildren <Text> () [0];
}
mainPanel.gameObject.SetActive (true);
computeSettingsPanel.gameObject.SetActive (false);
loadSettingsPanel.gameObject.SetActive (false);
loadingBarPanel.gameObject.SetActive (false);
dropdownComputeFooter.gameObject.SetActive (true);
visualizationComputeFooter.gameObject.SetActive (false);
state_onSettings = false;
state_onLoadingBar = false;
state_onVisualization = false;
foreach (string name in Enum.GetNames(typeof(Formula.Function))) {
if (name != "None") {
formula_dropdown.options.Add (new Dropdown.OptionData () { text = name });
}
}
if (pom.names.Length != 0) {
computeSettingsManager.SetTo (pom);
formula_dropdown.value = ((int)pom.function == 0) ? 1 : 0;
formula_dropdown.value = (int)pom.function;
loadSettingsManager.SetTo (pom);
} else {
formula_dropdown.value = 1;
formula_dropdown.value = 0;
}
OnUpdateFormulaText ();
}
private void SetPlaybackState(PlaybackState newState)
{
// If the playback state has not changed, return
if (currentPlaybackState == newState)
{
return;
}
// Otherwise, make changes to the UI based on the new state
switch (newState)
{
// For the no open file state, disable all playback controls apart from the home button and the
// open file button
case PlaybackState.NoOpenFile:
SetUiStates(true, true, false, false, false, false, false);
break;
// If the open file button is selected, open the panel with this set of controls visible and disable
// the toolbar buttons apart from the home button. Also, disable the playback controls whilst the
// panel is open
case PlaybackState.OpenFileSelected:
SetUiStates(true, false, false, true, true, false, false);
if (playbackManager.IsPlaying)
{
playbackManager.StopPlaying();
}
// Remove this line once download is implemented
DownloadButton.interactable = false;
break;
// Downloading file state not implemented
case PlaybackState.DownloadingFile:
break;
// If the user has selected a file to open, disable all UI controls whilst it loads the file info
case PlaybackState.OpeningFileInfo:
SetUiStates(false, false, false, false, false, false, false);
// Indicate to the playback manager that it should begin opening the specified file
// and add a event handler to the file info finished loading event
playbackManager.OpenFile(currentOpenFileName);
// Instantiate a loading bar prefab and get a reference to its manager class
GameObject loadingBar = Instantiate(LoadingBar, gameObject.transform) as GameObject;
loadingManager = loadingBar.GetComponent <LoadingBarManager>();
// Then, initialise it with 1 data item and the loading file info message before showing
// it in the canvas
loadingManager.InitialiseLoading(loadingFileInfoMessage, 1);
loadingManager.ShowLoading();
// Finally, set the file info ready flag to false
fileInfoReady = false;
break;
// If the file info has been loaded in and chunk data is now being loaded in, disable all UI
// controls whilst this happens
case PlaybackState.OpeningFileData:
SetUiStates(false, false, false, false, false, false, false);
// An instance of the loading bar should be available with a reference to its manager
// cached, so reinitialise the loading bar with the new chunk queue data
loadingManager.InitialiseLoading(loadingChunksMessage, playbackManager.GetChunksToLoadCount());
loadingManager.ShowLoading();
break;
// If the user has opened a file and they are playing it or they have paused it, everything will be enabled
// apart from the options panel
case PlaybackState.PausedFile:
SetUiStates(true, true, true, false, false, false, true);
if (playbackManager.IsPlaying)
{
playbackManager.StopPlaying();
}
sliderManager.StopPlaying();
break;
case PlaybackState.PlayingFile:
SetUiStates(true, true, true, false, false, false, true);
if (!playbackManager.IsPlaying)
{
playbackManager.StartPlaying();
}
sliderManager.StartPlaying();
break;
// If the file is buffering, everything should be disabled to prevent errors from occurring
case PlaybackState.BufferingFile:
SetUiStates(false, false, false, false, false, false, false);
sliderManager.StopPlaying();
// Instantiate a loading bar prefab and get a reference to its manager class
GameObject bufferingBar = Instantiate(LoadingBar, gameObject.transform) as GameObject;
loadingManager = bufferingBar.GetComponent <LoadingBarManager>();
// Then, initialise it with the chunks to load count from the playback manager and the
// buffering messgae before showing it in the canvas
loadingManager.InitialiseLoading(bufferingMessage, playbackManager.GetChunksToLoadCount());
loadingManager.ShowLoading();
break;
// If the upload file button is selected, open the panel with this set of controls visible and disable
// the toolbar buttons apart from the home button. Also, disable the playback controls whilst the
// panel is open
case PlaybackState.UploadFileSelected:
SetUiStates(true, false, false, true, false, true, false);
if (playbackManager.IsPlaying)
{
playbackManager.StopPlaying();
}
// Remove this line once upload is implemented
UploadRecordingButton.interactable = false;
break;
// Uploading file state not implemented
case PlaybackState.UploadingFile:
break;
}
// Store the new state
currentPlaybackState = newState;
}
private void SetRecordingState(RecordingState newState)
{
// If the recording state has not changed, return
if (currentRecordingState == newState)
{
return;
}
// Otherwise, make changes to the UI based on the new state
switch (newState)
{
// For the no data state, disable all recording controls apart from the home button
case RecordingState.NoData:
SetUiStates(true, false, false, false, false);
break;
// If data is coming in but no file has been created, only enable the home button and
// new recording button
case RecordingState.NoFile:
SetUiStates(true, true, false, false, false);
break;
// If the user has indicated that they wish to create a new file, disable all controls apart
// from the home button and options panel
case RecordingState.InputNewFile:
SetUiStates(true, false, true, false, false);
break;
// If the user has created a file and is ready to record, disable the panel but reenable
// everything else
case RecordingState.FileReady:
SetUiStates(true, true, false, true, false);
break;
// If the user has begun recording, disable everything apart from the recording controls and
// change their appearence to indicate recording
case RecordingState.RecordingData:
SetUiStates(false, false, false, true, true);
// Also indicate to the recording manager that it should start recording data
recordingManager.StartRecording(currentOpenFileName);
break;
// Once the user has stopped recording, keep everything disabled but also change the recording
// button state and then disable it as well
case RecordingState.StopRecording:
SetUiStates(false, false, false, false, false);
// Also indicate to the recording manager that it should stop recording data
recordingManager.StopRecording();
// Finally, if the recording manager is still processing the file, instantiate the loading
// bar prefab and cache a reference to its loading manager component. Then, initialise it
// with the loading message and show the component. Finally, store the total data items left
// using the recording manager data queue count
if (recordingManager.IsProcessingFile)
{
GameObject loadingBar = Instantiate(LoadingBar, gameObject.transform) as GameObject;
loadingManager = loadingBar.GetComponent <LoadingBarManager>();
loadingManager.InitialiseLoading(loadingFileMessage, recordingManager.GetDataQueueCount());
loadingManager.ShowLoading();
}
break;
}
// Store the new state
currentRecordingState = newState;
}
void Update()
{
if (currentOpenFileName != null && currentPlaybackState == PlaybackState.NoOpenFile)
{
// Change the state to indicate that the file is opening
SetPlaybackState(PlaybackState.OpeningFileInfo);
}
else if (currentPlaybackState == PlaybackState.OpeningFileInfo && fileInfoReady)
{
// If the file info is ready but the state has not transitioned, perform
// the state change
loadingManager.Progress();
SetPlaybackState(PlaybackState.OpeningFileData);
}
else if (currentPlaybackState == PlaybackState.OpeningFileData)
{
// If the playback manager is still loading the initial chunks, check
// if the loading bar can be updated
if (playbackManager.IsLoading)
{
int lastRemainingItems = loadingManager.RemainingDataItems;
int actualRemainingItems = playbackManager.GetChunksToLoadCount();
// If the number of items in the processing queue has changed, update the
// loading bar progress
if (lastRemainingItems != actualRemainingItems)
{
// Update its progress by the difference between the remaining item values
for (int i = 0; i < (lastRemainingItems - actualRemainingItems); i++)
{
loadingManager.Progress();
}
}
}
else
{
// Call the method to show and initialise the mesh
kinectMesh.ShowAndInitialiseMesh();
// Destroy and dereference the loading bar if it exists
if (loadingManager != null)
{
loadingManager.DestroyLoading();
loadingManager = null;
}
// Initialise the slider and its timers, then change to the paused state
sliderManager.InitialiseSlider(playbackManager.FileInfoOpen.TotalRecordingLength);
SetPlaybackState(PlaybackState.PausedFile);
}
}
else if (currentPlaybackState == PlaybackState.PlayingFile)
{
// If the playback manager has stopped playing because it needs to buffer, reflect this
// in the canvas by changing the state
if (!playbackManager.IsPlaying)
{
SetPlaybackState(PlaybackState.BufferingFile);
}
else if (kinectMesh.LastFrame)
{
// Else if the kinect mesh has reached its last frame, pause the file to stop playback
TogglePlayPause();
}
}
else if (currentPlaybackState == PlaybackState.BufferingFile)
{
// If the playback manager is still buffering, check if the loading bar
// can be updated
if (playbackManager.IsLoading)
{
int lastRemainingItems = loadingManager.RemainingDataItems;
int actualRemainingItems = playbackManager.GetChunksToLoadCount();
// If the number of items in the processing queue has changed, update the
// loading bar progress
if (lastRemainingItems != actualRemainingItems)
{
// Update its progress by the difference between the remaining item values
for (int i = 0; i < (lastRemainingItems - actualRemainingItems); i++)
{
loadingManager.Progress();
}
}
}
else
{
// Otherwise, destroy and dereference the loading bar if it still exists
if (loadingManager != null)
{
loadingManager.DestroyLoading();
loadingManager = null;
}
// Then, go back to playing the video
SetPlaybackState(PlaybackState.PlayingFile);
}
}
}
void Update()
{
// If the system is still waiting for data from the kinect manager, set the recording
// state to no data if not already done so and return
if (!KinectManager.IsDataAvailable())
{
SetRecordingState(RecordingState.NoData);
return;
}
// Otherwise, data is available, so if the current state indicates that the system is
// waiting for data, the state can now be changed to no file
if (currentRecordingState == RecordingState.NoData)
{
SetRecordingState(RecordingState.NoFile);
}
else if (currentRecordingState == RecordingState.StopRecording)
{
// If the recording manager is still processing, check if the loading bar can be updated
if (recordingManager.IsProcessingFile)
{
// Get the loading bar remaining items and the actual number of remaining items in
// the recording manager queue
int lastRemainingItems = loadingManager.RemainingDataItems;
int actualRemainingItems = recordingManager.GetDataQueueCount();
// If the number of items in the processing queue has changed, update the
// loading bar progress
if (lastRemainingItems != actualRemainingItems)
{
// Update its progress by the difference between the remaining item values
for (int i = 0; i < (lastRemainingItems - actualRemainingItems); i++)
{
loadingManager.Progress();
}
// Once the last data item in the queue has been passed to the background thread,
// the loading bar will say 100%, but the scene will not unload just yet because
// the last data item is being processed and then the file info will be processed.
// When this happens, change the loading bar message to indicate that it is now
// saving the file info and opening the recording in playback
if (actualRemainingItems == 0)
{
loadingManager.ChangeLoadingMessage(openingPlaybackMessage);
}
}
}
else
{
// Otherwise, the file has finished saving, so if the loading manager reference
// points to an instantiated prefab, destroy the game object and nullify the cached
// reference
if (loadingManager != null)
{
loadingManager.DestroyLoading();
loadingManager = null;
}
// Then, save the file name in player prefs temporarily so that playback can access it
// and load the playback scene
PlayerPrefs.SetString("fileName", currentOpenFileName);
SceneManager.LoadScene("Playback");
}
}
}