public static bool OnOneLine(Node sNode, Node fNode, NodeArray nodesArray)
{
var destination = FindDestination(sNode, fNode);
var finishPoint = new Vector2(Convert.ToInt32(fNode.Position.X), Convert.ToInt32(fNode.Position.Y));
var line = new StraightLine(Convert.ToInt32(sNode.Position.X), Convert.ToInt32(sNode.Position.Y),
destination, nodesArray);
if (line.Points.Exists(arg => arg == finishPoint))
{
for (var i = 1; i < line.Points.Count; ++i)
{
var pointX = Convert.ToInt32(line.Points[i].X);
var pointY = Convert.ToInt32(line.Points[i].Y);
if (nodesArray.Array[pointX, pointY].IsObstacle)
{
return(false);
}
if (line.Points[i] == finishPoint)
{
return(true);
}
if ((destination == Destinations.UpRight || destination == Destinations.DownRight) &&
!nodesArray.Array[pointX, pointY + 1].IsObstacle)
{
return(false);
}
if ((destination == Destinations.UpLeft || destination == Destinations.DownLeft) &&
!nodesArray.Array[pointX, pointY - 1].IsObstacle)
{
return(false);
}
}
}
return(false);
}
public static void InitializeMap(StreamReader file)
{
var line = file.ReadLine();
var height = 0;
var widght = 0;
line = file.ReadLine();
if (line != null)
{
string[] splitLine = line.Split(' ');
height = Convert.ToInt32(splitLine[1]);
}
line = file.ReadLine();
if (line != null)
{
string[] splitLine = line.Split(' ');
widght = Convert.ToInt32(splitLine[1]);
}
Node[,] nodesArray = new Node[height, widght];
line = file.ReadLine();
for (var i = 0; i < height; ++i)
{
line = file.ReadLine();
for (var j = 0; j < widght; ++j)
{
if (line != null)
{
var symbol = Convert.ToChar(line[j]);
nodesArray[i, j] = new Node(i, j, symbol);
}
}
}
NodesArray = new NodeArray(height, widght, nodesArray);
}
public StraightLine(int x, int y, Destinations destination, NodeArray nodesArray)
{
Destination = destination;
Start = new Vector2(x, y);
if (destination == Destinations.Down)
{
Finish = new Vector2(nodesArray.widght - 1, y);
}
else if (destination == Destinations.Up)
{
Finish = new Vector2(0, y);
}
else if (destination == Destinations.Left)
{
Finish = new Vector2(x, 0);
}
else if (destination == Destinations.Right)
{
Finish = new Vector2(x, nodesArray.height - 1);
}
else if (destination == Destinations.DownLeft)
{
var delta1 = nodesArray.widght - 1 - x;
var delta2 = y;
Finish = delta1 < delta2 ? new Vector2(nodesArray.widght - 1, y - delta1)
: new Vector2(x + delta2, 0);
}
else if (destination == Destinations.UpLeft)
{
var delta1 = x;
var delta2 = y;
Finish = delta1 < delta2 ? new Vector2(0, y - delta1)
: new Vector2(x - delta2, 0);
}
else if (destination == Destinations.DownRight)
{
var delta1 = nodesArray.widght - 1 - x;
var delta2 = nodesArray.height - 1 - y;
Finish = delta1 < delta2 ? new Vector2(nodesArray.widght - 1, y + delta1)
: new Vector2(x + delta2, nodesArray.height - 1);
}
else if (destination == Destinations.UpRight)
{
var delta1 = x;
var delta2 = nodesArray.widght - 1 - y;
Finish = delta1 < delta2 ? new Vector2(0, y + delta1) : new Vector2(x - delta2, nodesArray.widght - 1);
}
Points = FindMiddlePoints(Start, Finish, destination);
}
