Checks if a row/col pair has a certain bitfield @param row the board row @param col the board column @param field the bitfield to check @return True i

Gets the current state's cost @return the current state's cost

Sets the current state's cost @param cost the current state's cost

Toggles the bitfield with a field. @param bitfield the bitfield to toggle @param field the field to toggle @return the new, toggled bitfield

Gets the direction that the player made to get to the boardstate @return the direction that the player made to get to the boardstate

Backtracks through the search to find the move sequence @param finalState the final, goal state @return the Sokoban solution move sequence

Returns whether or not the player can move in a certain direction @param direction the row/col direction @return True if player can move, false otherw

Point direction to character mapping for search output @param direction the direction to translate @return the corresponding character mapping

Returns the new BoardState after moving a certain direction @param direction the direction to move @return the new BoardState @pre must be called only

Returns the valid moves from the current state. @return the valid moves from the current state.

Returns true if the next move has the input bitfield. False otherwise. @param field the next move's bitfield check @return True if the next move has t

Parses a Sokoban text file into a Board object @param boardInput the Sokoban text file @return the Board state object @throws IOException if the Sokob

Searches the Sokoban puzzle for solution and returns the move sequence @return the Sokoban solution move sequence @throws NoSolutionException if no so

Search function @param validMoves list of valid movies

Initialization before the search

Gets the byte board representation used for search hashing @return the byte board representation

@param args