package game$2048$logic;

import game$2048$rendering.Board;

import game$2048$rendering.Side;

import game$2048$rendering.Tile;

import java.util.Formatter;

$/**$ The state of a game of $2048.$

$*$ @author P$.$ N$.$ Hilfinger $+$ Josh Hug

$*/$

public class Model $\{$

$/**$ Current contents of the board. $*/$

private final Board board;

$/**$ Current score. $*/$

private int score;

$/*$ Coordinate System: column x$,$ row y of the board $($where x $=0,$

$*$ y $=0$ is the lower$-$left corner of the board$)$ will correspond

$*$ to board.tile$($x$,$ y$).$ Be careful!

$*/$

$/**$ Largest piece value. $*/$

public static final int MAX$\_$PIECE $=2048$;

$/**$ A new $2048$ game on a board of size SIZE with no pieces

$*$ and score $0.*/$

public Model$($int size$)\{$

board $=$ new Board$($size$)$;

score $=0$;

$\}$

$/**$ A new $2048$ game where RAWVALUES contain the values of the tiles

$*(0$ if null$).$ VALUES is indexed by $($x$,$ y$)$ with $(0,0)$ corresponding

$*$ to the bottom$-$left corner. Used for testing purposes. $*/$

public Model$($int$[][]$ rawValues, int score$)\{$

board $=$ new Board$($rawValues$)$;

this.score $=$ score;

$\}$

$/**$ Return the current Tile at $($x$,$ y$),$ where $0<=$ x $<$ size$(),$

$*0<=$ y $<$ size$().$ Returns null if there is no tile there.

$*$ Used for testing. $*/$

public Tile tile$($int x$,$ int y$)\{$

return board.tile$($x$,$ y$)$;

$\}$

$/**$ Return the number of squares on one side of the board. $*/$

public int size$()\{$

return board.size$()$;

$\}$

$/**$ Return the current score. $*/$

public int score$()\{$

return score;

$\}$

$/**$ Clear the board to empty and reset the score. $*/$

public void clear$()\{$

score $=0$;

board.clear$()$;

$\}$

$/**$ Add TILE to the board. There must be no Tile currently at the

$*$ same position. $*/$

public void addTile$($Tile tile$)\{$

board.addTile$($tile$)$;

$\}$

$/**$ Return true iff the game is over $($there are no moves, or

$*$ there is a tile with value $2048$ on the board$).*/$

public boolean gameOver$()\{$

return maxTileExists$()||!$atLeastOneMoveExists$()$;

$\}$

$/**$ Returns this Model's board. $*/$

public Board getBoard$()\{$

return board;

$\}$

$/**$ Returns true if at least one space on the Board is empty.

$*$ Empty spaces are stored as null.

$**/$

public boolean emptySpaceExists$()\{$

$//$ TODO: Task $2.$ Fill in this function.

return false;