private void RemoveOldIslandsFromView(PythonDataEventArgs pythonData)
{
if (RemoveIslandFromView == null)
{
return;
}
var namesOfIslandsCurrentlyDisplayed = _islands.GetAllNames();
var newIslandNames = new HashSet <string>();
foreach (var data in pythonData.ArchipelagoData)
{
newIslandNames.Add(data.Item1);
}
newIslandNames.SymmetricExceptWith(namesOfIslandsCurrentlyDisplayed);
var oldIslandNames = newIslandNames;
foreach (var old in oldIslandNames)
{
_islands.Delete(old);
_branchNames.Remove(old);
RemoveIslandFromView(this, new DisplayRemoveDrawableDataEventArgs(old));
}
}
private void NewDataReceivedFromPythonScript(object sender, PythonDataEventArgs pythonData)
{
AddNewIslandsToView(pythonData);
RemoveOldIslandsFromView(pythonData);
_islands.MoveAll();
// manual tick, so that the label isn't left hanging in the middle of nowhere if the new islands were added or existing ones moved
__DisplayTextualDataUpdateTimer_Tick(this, new EventArgs());
}
private void AddNewIslandsToView(PythonDataEventArgs pythonData)
{
if (AddNewIslandToView == null)
{
return;
}
foreach (var data in pythonData.ArchipelagoData)
{
var branchName = data.Item1;
var branchExists = _islands.Contains(branchName);
var branchHasBeenDisplayedBefore = branchExists;
if (!branchHasBeenDisplayedBefore)
{
var branch = CreateBranch(branchName);
AddNewIslandToView(this, new DisplayAddDrawableDataEventArgs(branch.Name, branch.Shape.Drawables()));
}
var distance = data.Item2;
_islands.SetBranchDistance(branchName, distance);
}
}
