private void AddEdgeIfNeeded(GraphGridNode node, int x, int y)
{
if (!node.Passable)
{
return;
}
if (x < 0 || x >= Width || y < 0 || y >= Height)
{
return;
}
var otherNode = Map[x, y];
if (otherNode != null && otherNode.Passable)
{
Graph.AddEdge(new GraphEdge(node.Index, otherNode.Index));
}
}
private void LoadGraph(IReadOnlyCollection <string> lines)
{
Width = CalculateLongestLine(lines);
Height = lines.Count;
Graph = new SparseGraph <GraphGridNode, GraphEdge>(false);
Map = new GraphGridNode[Width, Height];
var y = 0;
foreach (var line in lines)
{
var x = 0;
foreach (var tileChar in line)
{
var node = _nodeFactory.CreateNode(x, y, tileChar.ToString());
Graph.AddNode(node);
Map[x, y] = node;
if (tileChar == '@')
{
Source = node;
}
else if (tileChar == 'X')
{
Destination = node;
}
x++;
}
y++;
}
CreateEdges();
}