public void removeConnection(Node n) {
int x = connections.IndexOf(n);
if(x != -1) {
weights.Remove(weights[x]);
connections.Remove(n);
}
}
public double distanceTo(Node n){
int index = connections.IndexOf(n);
try {
return weights[index];
} catch(Exception e) {
return -20;
}
}
public void addNode(double x, double y, double z) {
Node n = getNodeReference(x, y, z);
if(n == null) {
int num = 0;
if(nodes.Count > 0)
num = nodes[nodes.Count - 1].Number + 1;
Node node = new Node(name, x, y, z, num); //Assumes nodes are in numerical order
nodes.Add(node);
}
}
public void addConnection(Node a) {
connections.Add(a);
weights.Add(Math.Sqrt(Math.Pow(a.x - x, 2) + Math.Pow(a.y - y, 2)));
}
public void loadFile() {
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "Room| *.rm";
ofd.FilterIndex = 1;
ofd.Title = "Open Room";
if(ofd.ShowDialog() == DialogResult.OK) {
clearRoom();
System.IO.StreamReader save = new System.IO.StreamReader(ofd.OpenFile());
location = ofd.FileName;
List<int> nodeNums = new List<int>();
while(save.Peek() >= 0) {
String line = save.ReadLine();
String[] items = line.Split(' ');
if(line.Contains("L")) {
PointF pt1 = new PointF(Convert.ToInt32(items[1]), Convert.ToInt32(items[2]));
PointF pt2 = new PointF(Convert.ToInt32(items[3]), Convert.ToInt32(items[4]));
PointF[] a = { pt1, pt2 };
lines.Add(a);
} else if(line.Contains("N")) {
Node n = new Node(name, Convert.ToDouble(items[2]), Convert.ToDouble(items[3]), Convert.ToDouble(items[4]), Convert.ToInt32(items[1]));
int maxValue = items.Length;
if(items[items.Length - 2].Equals("C")) {
n.Comment = items[items.Length - 1];
maxValue = items.Length - 3;
}
for(int k = 5;k < maxValue;k++) {
if(!items[k].Equals("") && nodeNums.Contains(Convert.ToInt32(items[k]))) {
n.addConnection(nodes[Convert.ToInt32(items[k])]);
nodes[Convert.ToInt32(items[k])].addConnection(n);
}
}
nodeNums.Add(n.Number);//used for adding connections
nodes.Add(n);
}
}
save.Close();
}
}