/**
* Board initialization method.
* @param initBoard Initial board.
* @param info The string to pass to the msg builder.
*/
private void boardInit(int[,] initBoard, String info) {
SudokuSolver puzzle;
if ((initBoard == null) && (generateRandomBoard == true)) {
puzzle = new SudokuSolver(SudokuPuzzles.PUZZLE_EMPTY);
puzzle.solve();
if (puzzle.getSolvingState() == SudokuSolver.SOLVING_STATE_SOLVED) {
sudokuBoard = puzzle.solvedBoard;
addMessage("(SudokuGenerator) Generator initialized using random board (" + info + ").", MSG_INFO);
generatorState = GENERATOR_INIT_FINISHED;
return;
} else {
addMessage("(SudokuGenerator) Generator initialization using random board (" + info + ") failed. Board with error?", MSG_ERROR);
addMessage(puzzle.getLastErrorMessage(), MSG_ERROR);
generatorState = GENERATOR_INIT_FAILED;
return;
}
}
if (SudokuStore.checkPuzzle(initBoard) == false) {
generatorState = GENERATOR_INIT_FAILED;
addMessage("(SudokuGenerator) Generator initialization (" + info + ") failed. Board with error?", MSG_ERROR);
return;
}
if (solveBeforeGeneration == true) {
puzzle = new SudokuSolver(initBoard);
puzzle.solve();
if (puzzle.getSolvingState() == SudokuSolver.SOLVING_STATE_SOLVED) {
sudokuBoard = puzzle.solvedBoard;
addMessage("(SudokuGenerator) Generator initialized usign provided board + finding solution (" + info + ").", MSG_INFO);
generatorState = GENERATOR_INIT_FINISHED;
return;
} else {
addMessage("(SudokuGenerator) Generator initialization usign provided board + finding solution (" + info + ") failed. Board with error?", MSG_ERROR);
addMessage(puzzle.getLastErrorMessage(), MSG_ERROR);
generatorState = GENERATOR_INIT_FAILED;
return;
}
}
int[,] board = initBoard;
puzzle = new SudokuSolver(board);
if (puzzle.checkIfUniqueSolution() == SudokuSolver.SOLUTION_UNIQUE) {
sudokuBoard = board;
addMessage("(SudokuGenerator) Generator initialized usign provided board (" + info + ").", MSG_INFO);
generatorState = GENERATOR_INIT_FINISHED;
return;
} else {
addMessage("(SudokuGenerator) Generator initialization usign provided board (" + info + ") failed. Solution not exists or is non unique.", MSG_ERROR);
addMessage(puzzle.getLastErrorMessage(), MSG_ERROR);
generatorState = GENERATOR_INIT_FAILED;
return;
}
}