private void UpdateDisplayersFromComments(Comment[] allComments)
{
// Remove comment displayers that are no longer tied to comments
List <CommentDisplayer> copy = new List <CommentDisplayer>(commentDisplayers);
foreach (CommentDisplayer cd in copy)
{
if (!allComments.Contains(cd.Comment))
{
Destroy(cd.gameObject);
commentDisplayers.Remove(cd);
}
}
// Add comment displayers for new comments
List <Comment> existingComments = commentDisplayers.Select(c => c.Comment).ToList();
foreach (Comment c in allComments.Except(existingComments))
{
GameObject g = Instantiate(commentDisplayerPrefab);
CommentDisplayer cd = g.GetComponent <CommentDisplayer>();
cd.Initialize(this, worldUI, c);
cd.interactable = (currentLocation != null && cd.Comment.Location == currentLocation);
commentDisplayers.Add(cd);
}
}
// Allows the AppCoordinator or ARCoordinator to "teardown" the comments state, preventing the user
// from viewing any comments or being able to comment. This is used during most state transitions.
public void CloseCommenting()
{
currentLocation = null;
activeCommentDisplayer = null;
commentDisplayConfirmation.Hide();
foreach (CommentDisplayer cd in commentDisplayers)
{
cd.interactable = false;
}
commentDisplaySurface.gameObject.SetActive(false);
}
// A function called by the CommentDisplaySurface when it is clicked.
// This represents a click on the "background", which either closes the currently open comment
// or signifies that the user wants to place a new comment at the given position, showing the
// CommentDisplayConfirmation where they clicked.
public void CommentDisplaySurfaceClicked(Vector3 position)
{
if (activeCommentDisplayer != null)
{
activeCommentDisplayer = null;
}
else if (commentDisplayConfirmation.IsShowing())
{
commentDisplayConfirmation.Hide();
}
else
{
commentDisplayConfirmation.ShowAtPosition(position);
CommentCreator.POSITION = position;
}
}
// A function called by CommentDisplayers when they are clicked.
// This changes the currently active comment.
public void CommentDisplayerClicked(CommentDisplayer cd)
{
activeCommentDisplayer = cd;
commentDisplayConfirmation.Hide();
}
