static Boolean isValidAndUnvisited(CartPoint pos)
{
if ((pos.x >= Laby.GetLength(0)) || (pos.x < 0) || (pos.y >= Laby.GetLength(1)) || (pos.y < 0))
{
return(false);
}
LabPoint l = Laby[pos.x, pos.y];
if (l == null)
{
l = new LabPoint();
}
if (l.barrier)
{
return(false);
}
if (l.visited)
{
return(false);
}
else
{
l.visited = true;
Laby[pos.x, pos.y] = l;
return(true);
}
}
static void collectTreasure(CartPoint pos)
{
LabPoint l = Laby[pos.x, pos.y];
if (!l.treasure.Equals(' '))
{
Console.WriteLine(" Found treasure : " + l.treasure);
treasuresFound += l.treasure;
l.treasure = ' '; // remove treasure :D
}
Laby[pos.x, pos.y] = l;
}
static void MoveTo(CartPoint pos)
{
increm++;
printWithIncrem("-> (" + pos.x + "," + pos.y + ")");
if (!isValidAndUnvisited(pos))
{
printWithIncrem("-> X");
increm--;
return;
}
collectTreasure(pos);
//already marked as visited ..
PrintMaze();
MoveTo(new CartPoint(pos.x + 1, pos.y));
MoveTo(new CartPoint(pos.x, pos.y + 1));
MoveTo(new CartPoint(pos.x - 1, pos.y));
MoveTo(new CartPoint(pos.x, pos.y - 1));
}
