private static void ScanReverseLetters(Letter currentLetter, List<WordBuilder> builderList, WordBuilder previousBuilder)
{
WordBuilder newBuilder = new WordBuilder(previousBuilder);
newBuilder.Prepend(currentLetter);
builderList.Add(new WordBuilder(newBuilder));
if ((newBuilder.CurrentString.Length > Shorewood.normalGameplayRenderer.grid.minimumWordLength))
{
if (!CheckValidWord(newBuilder))
{
return;
}
}
if (Shorewood.normalGameplayRenderer.grid.GetLetter(currentLetter.upperLeftNeighbor) != Letter.EmptyLetter)
{
ScanReverseLetters(Shorewood.normalGameplayRenderer.grid.GetLetter(currentLetter.upperLeftNeighbor), builderList, newBuilder);
}
if (Shorewood.normalGameplayRenderer.grid.GetLetter(currentLetter.leftNeighbor) != Letter.EmptyLetter)
{
ScanReverseLetters(Shorewood.normalGameplayRenderer.grid.GetLetter(currentLetter.leftNeighbor), builderList, newBuilder);
}
if (Shorewood.normalGameplayRenderer.grid.GetLetter(currentLetter.lowerLeftNeighbor) != Letter.EmptyLetter)
{
ScanReverseLetters(Shorewood.normalGameplayRenderer.grid.GetLetter(currentLetter.lowerLeftNeighbor), builderList, newBuilder);
}
}