public IntersectionType GetIntersectionType(CrosswordWord other)
{
if (other.Word.Equals(Word))
{
return IntersectionType.WrongIntersection;
}
int Ax, Ay, Bx, By, Cx, Cy, Dx, Dy;
PositionAtIndex(0, out Ax, out Ay);
PositionAtIndex(Word.Length - 1, out Bx, out By);
other.PositionAtIndex(0, out Cx, out Cy);
other.PositionAtIndex(other.Word.Length - 1, out Dx, out Dy);
Ax--;
Ay--;
Bx++;
By++;
if (!(Intersect(Ax, Bx, Cx, Dx) && Intersect(Ay, By, Cy, Dy)))
{
return IntersectionType.NoIntersection;
}
// Rectangles are intersected. If words not then WRONG
if (!(Intersect(Ax + 1, Bx - 1, Cx, Dx) && Intersect(Ay + 1, By - 1, Cy, Dy)))
{
return IntersectionType.WrongIntersection;
}
for (int i = 0; i < Word.Length; i++)
{
for (int j = 0; j < other.Word.Length; j++)
{
int x1, y1, x2, y2;
PositionAtIndex(i, out x1, out y1);
other.PositionAtIndex(j, out x2, out y2);
if (x1 == x2 && y1 == y2)
{
if (other.Position.Orientation == Position.Orientation)
{
return IntersectionType.WrongIntersection;
}
if (!Word[i].Equals(other.Word[j]))
{
return IntersectionType.WrongIntersection;
}
return IntersectionType.CorrectIntersection;
}
}
}
//for (int i = 0; i < Word.Length; i++)
//{
// for (int j = 0; j < other.Word.Length; j++)
// {
// int x1, y1, x2, y2;
// PositionAtIndex(i, out x1, out y1);
// other.PositionAtIndex(j, out x2, out y2);
// if (Math.Abs(x2 - x1) + Math.Abs(y2 - y1) == 1)
// {
// return IntersectionType.WrongIntersection;
// }
// }
//}
return IntersectionType.NoIntersection;
}
private bool IsWordInBorders(CrosswordWord word)
{
int x;
int y;
word.PositionAtIndex(word.Word.Length - 1, out x, out y);
return x < Width && y < Height;
}