/////////////////////////////////////////////////////////////////
////// START: A code for creating all possible permutations of board positions
////// of tiles in given list, starting from left-most tile in the array
private void boardPosPermAddChildNodes(CandidateTileSeq candTileSeq, int currTileIndex, TreeNode parentNode, TileZeroTile[,] tileArray, VirtualBoard virtualBoard)
{
if (currTileIndex >= candTileSeq.getTileCount())
{
return;
}
TileZeroTile tile = candTileSeq.getTileAt(currTileIndex);
for (int currRowIndex = 0; currRowIndex < tileArray.GetLength(0); currRowIndex++)
{
for (int currColIndex = 0; currColIndex < tileArray.GetLength(1); currColIndex++)
{
int resultScore = virtualBoard.isValidMove(currRowIndex, currColIndex, tile, true, tileArray, false);
if (resultScore != Cfg.NONE)
{
TileZeroTile[,] newTileArray = Cfg.createBoardCopy(tileArray);
virtualBoard.addTile(currRowIndex, currColIndex, tile, false, newTileArray);
TreeNode childNode = parentNode.addChildNodeValue(new AbstractPos(currTileIndex, currRowIndex, currColIndex, resultScore));
boardPosPermAddChildNodes(candTileSeq, currTileIndex + 1, childNode, newTileArray, virtualBoard);
}
}
}
boardPosPermAddChildNodes(candTileSeq, currTileIndex + 1, parentNode, tileArray, virtualBoard); // [SC][2016.12.08] new code
}
// [2016.12.01]
// [SC] put a given tile on a specified board position; validCheck is true then verify if the move conforms to game rules
protected int putTileOnBoard(int rowIndex, int colIndex, TileZeroTile tile, bool validCheck)
{
return(virtualBoard.addTile(rowIndex, colIndex, tile, validCheck, null));
}