public void BindAStar()
{
// Made this way so it runs on the UI Thread, always.
XNAWindow.BeginInvoke(new UIDelegate(() =>
{
XNAWindow.AStar = _astar;
if (_astar != null)
{
ListOpen.DataSource = null;
ListOpen.DataSource = _astar.Open;
ListClose.DataSource = null;
ListClose.DataSource = _astar.Close;
if (_astar.Current != null)
{
TextCurrent.Text = _astar.Current.ToString();
}
else
{
TextCurrent.Text = String.Empty;
}
this.Invalidate();
}
}));
}
public void LoadMap()
{
OpenFileDialog dialog = new OpenFileDialog();
dialog.InitialDirectory = System.IO.Path.GetDirectoryName(Application.ExecutablePath);
dialog.Filter = "Text Files (*.txt)|*.txt";
dialog.RestoreDirectory = true;
if (dialog.ShowDialog() == DialogResult.OK)
{
try
{
using (Stream fileStream = dialog.OpenFile())
{
if (fileStream != null)
{
TextReader reader = new StreamReader(fileStream);
string text = reader.ReadToEnd();
string[] split = text.Split('\n');
char[,] result = new char[split[0].Length - 1, split.Length]; //Not counting \r
for (int i = 0; i < split.Length; i++)
{
char[] characters = split[i].TrimEnd('\r').ToCharArray();
for (int j = 0; j < characters.Length; j++)
{
result[j, i] = characters[j];
}
}
_astar = new Algorithm.AStar(result.GetLength(0), result.GetLength(1));
_astar.LoadFromArray(result);
_astar.OnStepChanged = new StepChangedDelegate((state) =>
{
if (_stopAtStep)
{
_semaphore.WaitOne();
}
else
{
Thread.Sleep(_sleepInterval);
}
XNAWindow.BeginInvoke(new UIDelegate(() =>
{
ListNextStep.SelectedIndex = (int)state;
BindAStar();
}));
});
BindAStar();
}
}
}
catch (Exception ex)
{
MessageBox.Show("Error reading file from disk. Error: " + ex.Message);
}
}
}
