private void Form1_Resize(object sender, EventArgs e)
{
//called when the form is resized so that the variables don't run out of bounds
world = new ArrayGraphics(pbCamvas.Size.Width, pbCamvas.Size.Height);
world.FillRectangle(Constants.start.X, Constants.start.Y, Constants.start.Width, Value.Start);
world.FillRectangle(Constants.finish.X, Constants.finish.Y, Constants.finish.Width, Value.Finish);
}
private void button2_Click(object sender, EventArgs e)
{
/*
* Function Loads data form a file and Updates the GUI
* Called when the load button is pressed
*/
OpenFileDialog openFileDialog1 = new OpenFileDialog();
openFileDialog1.InitialDirectory = "~";
openFileDialog1.Filter = "csv files (*.csv)|*.csv|All files (*.*)|*.*";
openFileDialog1.FilterIndex = 2;
openFileDialog1.RestoreDirectory = true;
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
try
{
using (StreamReader sr = new StreamReader(openFileDialog1.FileName))
{
world = new ArrayGraphics(pbCamvas.Size.Width, pbCamvas.Size.Height);
string[] line = sr.ReadLine().Split(',');
world.FillRectangle(Convert.ToInt32(line[0]), Convert.ToInt32(line[1]), Convert.ToInt32(line[2]), Value.Start);
Constants.start.X = Convert.ToInt32(line[0]);
Constants.start.Y = Convert.ToInt32(line[1]);
Constants.start.Width = Convert.ToInt32(line[2]);
Constants.start.Height = Convert.ToInt32(line[2]);
line = sr.ReadLine().Split(',');
world.FillRectangle(Convert.ToInt32(line[0]), Convert.ToInt32(line[1]), Convert.ToInt32(line[2]), Value.Finish);
Constants.finish.X = Convert.ToInt32(line[0]);
Constants.finish.Y = Convert.ToInt32(line[1]);
Constants.finish.Width = Convert.ToInt32(line[2]);
Constants.finish.Height = Convert.ToInt32(line[2]);
while (!sr.EndOfStream)
{
string[] ln = sr.ReadLine().Split(',');
if (Convert.ToInt32(ln[3]) == 0)
{
world.FillRectangle(Convert.ToInt32(ln[0]), Convert.ToInt32(ln[1]), Convert.ToInt32(ln[2]), Value.Obstacle);
//adding the obstacles to state space
}
else
{
world.FillTriangle(Convert.ToInt32(ln[0]), Convert.ToInt32(ln[1]), Convert.ToInt32(ln[2]), Value.Obstacle);
//adding the obstacles to state space
}
}
}
}
catch (Exception ex)
{
MessageBox.Show("File Loaded ");
}
pbCamvas.Invalidate();
}
}
private void pbCamvas_MouseDown(object sender, MouseEventArgs e)
{
//invoked when mouse button is pressed
//this function draws obstacles on the GUI on mouse press
if (IsInside(e.X, e.Y, Constants.start))
{
timer.Start();
hover = Value.Start;
}
else if (IsInside(e.X, e.Y, Constants.finish))
{
timer.Start();
hover = Value.Finish;
}
else if (hover == Value.Empty)
{
if (Constants.drawTriangle)
{
world.FillTriangle(e.X, e.Y, Convert.ToInt32(tbSize.Text), Value.Obstacle);
}
else if (Constants.drawSquare)
{
world.FillRectangle(e.X, e.Y, Convert.ToInt32(tbSize.Text), Value.Obstacle);
}
}
}