public override bool Validate(BoardLettersModel boardModel, string prefix, int r, int c, object directionData)
{
//Get Intersecting word
var data = (RightDownSubstituteDirectionStrategy.DirectionData)directionData;
Direction wordDirection = data.WordDirection;
Direction intersectDirection = new Direction(wordDirection.ColOffset, wordDirection.RowOffset);
var word = boardModel.ReadWord(r, c, intersectDirection);
//return true if no intersection with another word.
if (word.Length <= 1)
{
return(true);
}
//Validate intersecting word
return(wordList.Find(word, wholeWord: true));
}
private int GetIntersects(BoardLettersModel boardModel, string prefix, int r, int c, Direction wordDirection)
{
Direction intersectDirection = new Direction(wordDirection.ColOffset, wordDirection.RowOffset);
var intersects = 0;
for (var i = 0; i < prefix.Length; i++)
{
var word = boardModel.ReadWord(r, c, intersectDirection);
if (word.Length > 1)
{
intersects++;
}
r -= wordDirection.RowOffset;
c -= wordDirection.ColOffset;
}
return(intersects);
}