static bool CanPutWord(WordPlaceholder placeholder, string word, List <WordPlaceholder> crossings)
{
if (word.Length != placeholder.Length)
{
return(false);
}
if (crossings == null || !crossings.Any())
{
return(true);
}
foreach (var c in crossings)
{
if (c.Word == null)
{
continue;
}
var crossAt2 = c.CrossWithAt(placeholder);
var crossAt1 = placeholder.CrossWithAt(c);
if (word[crossAt1] != c.Word[crossAt2])
{
return(false);
}
}
return(true);
}
public int CrossWithAt(WordPlaceholder p)
{
if (Orientation == p.Orientation)
{
return(-1);
}
if (Orientation == "H" && Start.Y >= p.Start.Y && Start.Y <= p.End.Y)
{
return(p.Start.X - Start.X);
}
if (Orientation == "V" && Start.X >= p.Start.X && Start.X <= p.End.X)
{
var crossingPoint = p.Start.Y - Start.Y;
return(crossingPoint < Length ? crossingPoint : -1);
}
return(-1);
}
