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);
}
}
}
