private void addtoPath(direction dir, int id)
{
pathDirection pd = new pathDirection(dir, id);
if (!inbounds(pd.id))
{
boundsError = true;
}
else
{
path.Add(pd);
pathSize++;
p[pd.id].selected = true;
}
}
private void check(pathDirection pd)
{
if (pd.id < 0)
{
System.Console.WriteLine(pd.id + "\n");
}
switch (pd.dir) //0 none, 1 up, 2 down, 3 left, 4 right
{
case direction.up:
{
if (pd.id - width > 0)
{
if (!p[pd.id - width].selected && !p[pd.id - width].found)
{
addtoPath(direction.up, pd.id - width); //up
}
}
if (pd.id % width != 0)
{
if (!p[pd.id - 1].selected && !p[pd.id - 1].found)
{
addtoPath(direction.left, pd.id - 1); //left
}
}
if ((pd.id + 1) % width != 0)
{
if (!p[pd.id + 1].selected && !p[pd.id + 1].found)
{
addtoPath(direction.right, pd.id + 1); //right
}
}
break;
}
case direction.down:
{
if (pd.id + width < total)
{
if (!p[pd.id + width].selected && !p[pd.id + width].found)
{
addtoPath(direction.down, pd.id + width); //down
}
}
if (pd.id % width != 0)
{
if (!p[pd.id - 1].selected && !p[pd.id - 1].found)
{
addtoPath(direction.left, pd.id - 1); //left
}
}
if ((pd.id + 1) % width != 0)
{
if (!p[pd.id + 1].selected && !p[pd.id + 1].found)
{
addtoPath(direction.right, pd.id + 1); //right
}
}
break;
}
case direction.left:
{
if (pd.id - width > 0)
{
if (!p[pd.id - width].selected && !p[pd.id - width].found)
{
addtoPath(direction.up, pd.id - width); //up
}
}
if (pd.id + width < total)
{
if (!p[pd.id + width].selected && !p[pd.id + width].found)
{
addtoPath(direction.down, pd.id + width); //down
}
}
if (pd.id % width != 0)
{
if (!p[pd.id - 1].selected && !p[pd.id - 1].found)
{
addtoPath(direction.left, pd.id - 1); //left
}
}
break;
}
case direction.right:
{
if (pd.id - width > 0)
{
if (!p[pd.id - width].selected && !p[pd.id - width].found)
{
addtoPath(direction.up, pd.id - width); //up
}
}
if (pd.id + width < total)
{
if (!p[pd.id + width].selected && !p[pd.id + width].found)
{
addtoPath(direction.down, pd.id + width); //down
}
}
if ((pd.id + 1) % width != 0)
{
if (!p[pd.id + 1].selected && !p[pd.id + 1].found)
{
addtoPath(direction.right, pd.id + 1); //right
}
}
break;
}
case direction.none:
{
if (pd.id - width > 0)
{
if (!p[pd.id - width].selected && !p[pd.id - width].found)
{
addtoPath(direction.up, pd.id - width); //up
}
}
if (pd.id + width < total)
{
if (!p[pd.id + width].selected && !p[pd.id + width].found)
{
addtoPath(direction.down, pd.id + width); //down
}
}
if (pd.id % width != 0)
{
if (!p[pd.id - 1].selected && !p[pd.id - 1].found)
{
addtoPath(direction.left, pd.id - 1); //left
}
}
if ((pd.id + 1) % width != 0)
{
if (!p[pd.id + 1].selected && !p[pd.id + 1].found)
{
addtoPath(direction.right, pd.id + 1); //right
}
}
break;
}
}
}
