canUserMove() должен возвращать false, если пустых плиток нет, и нет возможности соединения клеток.

package com.javarush.games.game2048; import com.javarush.engine.cell.*; import java.util.*; //import java.lang.*; public class Game2048 extends Game { private static final int SIDE = 4; private static final int INDEXNUMBER = 12; private int[][] gameField = new int[SIDE][SIDE]; private int[] colorNumber = new int[INDEXNUMBER]; private boolean isGameStopped = false; @Override public void initialize(){ setScreenSize(/*int width*/SIDE, /*int height*/SIDE); showGrid(true); createGame(); drawScene(); } private void createGame(){ createNewNumber(); createNewNumber(); initColorRandom(); //String str= " "; //for (int i : colorNumber){ // str = str+" "+ String.valueOf(Color.values()[i]); //} //showMessageDialog(Color.BLUE, String.valueOf(Color.values()[144]), Color.RED, 10); //showMessageDialog(Color.BLUE, str, Color.RED, 10); } private void drawScene(){ for (int y = 0; y < SIDE; y++){ for (int x = 0; x < SIDE; x++){ setCellColoredNumber(x, y, gameField[y][x]); //setCellColor(x, y, Color.RED); } } } private void createNewNumber(){ int x = getRandomNumber(SIDE); int y = getRandomNumber(SIDE); if (gameField[x][y] != 0){ createNewNumber(); }else{ gameField[x][y] = getRandomNumber(10)==9? 4 : 2; } if (getMaxTileValue() >= 2048){ win(); } } private void setCellColoredNumber(int x, int y, int value){ setCellValueEx(x, y, getColorByValue(value), value == 0 ? "" : String.valueOf(value)); } private Color getColorByValue(int value){ /* if(value == 0) return Color.WHITE; else if(value == 2) return Color.GREY; else if(value == 4) return Color.YELLOW; else if(value == 8) return Color.GREEN; else if(value == 16) return Color.ORANGE; else if(value == 32) return Color.AQUA; else if(value == 64) return Color.RED; else if(value == 128) return Color.AZURE; else if(value == 256) return Color.BLUE; else if(value == 512) return Color.BEIGE; else if(value == 1024) return Color.ALICEBLUE; else if(value == 2048) return Color.AQUAMARINE; return null;*/ switch(value){ case 0: return Color.values()[colorNumber[0]]; //break; case 2: return Color.values()[colorNumber[1]]; //break; case 4: return Color.values()[colorNumber[2]]; //break; case 8: return Color.values()[colorNumber[3]]; //break; case 16: return Color.values()[colorNumber[4]]; //break; case 32: return Color.values()[colorNumber[5]]; //break; case 64: return Color.values()[colorNumber[6]]; //break; case 128: return Color.values()[colorNumber[7]]; //break; case 256: return Color.values()[colorNumber[8]]; //break; case 512: return Color.values()[colorNumber[9]]; //break; case 1024: return Color.values()[colorNumber[10]]; //break; case 2048: return Color.values()[colorNumber[11]]; //break; default: return null; } } private boolean compressRow(int[] row){ /**int[] buffRow = row; Arrays.sort(row); Collections.reverse(Arrays.asList(row)); return !Arrays.equals(buffRow, row);**/ boolean sortStop = false; boolean changeArray = false; do{ for (int i=0; i<SIDE; i++){ if (i!=SIDE-1){ if (row[i]==0 & row[i+1]!=0){ row[i]=row[i+1]; row[i+1]=0; sortStop = changeArray = true; } } } if(sortStop){ sortStop=false; }else{ break; } }while(true); return changeArray; } private boolean mergeRow(int[] row){ boolean changeArray = false; for (int i=0; i<SIDE; i++){ if (i!=SIDE-1) { if ((row[i]!=0) & (row[i+1]!=0)){ if (row[i]==row[i+1]){ row[i]*=2; row[i+1]=0; changeArray = true; } } } } return changeArray; } @Override public void onKeyPress(Key key){ switch (key){ case LEFT: moveLeft(); break; case RIGHT: moveRight(); break; case UP: moveUp(); break; case DOWN: moveDown(); break; default: } drawScene(); } private void moveLeft(){ boolean change = false; for (int y = 0; y < SIDE; ++y) { if (compressRow(gameField[y])) { change = true; } if (mergeRow(gameField[y])) { change = true; } if (compressRow(gameField[y])) { change = true; } } if (change) { createNewNumber(); } } private void moveRight(){ rotateClockwise(); rotateClockwise(); moveLeft(); rotateClockwise(); rotateClockwise(); } private void moveUp(){ rotateClockwise(); rotateClockwise(); rotateClockwise(); moveLeft(); rotateClockwise(); } private void moveDown(){ rotateClockwise(); moveLeft(); rotateClockwise(); rotateClockwise(); rotateClockwise(); } private void rotateClockwise(){ int[][] bufGameFiel = new int[SIDE][SIDE]; for(int x=0;x<SIDE;x++){ for(int y=0;y<SIDE;y++){ bufGameFiel[y][x] = gameField[(gameField.length-1)-x][y]; } } gameField = bufGameFiel; } private int getMaxTileValue(){ int result = 0; for (int[] i : gameField){ for(int j : i){ if (result<j){ result = j; } } } return result; } private void win(){ isGameStopped = true; showMessageDialog(Color.RED, "Ура ты выйграл", Color.BLUE, 16); } private boolean canUserMove(){ boolean zeroField = false; boolean sameField = false; for (int i=0; i<SIDE; i++){ for(int j=0; j<SIDE; j++){ if (gameField[i][j]==0){ zeroField = true; } for(int x=i-1; x<i+2; x++){ for(int y=j-1; y<j+2; y++){ if(x!=i & y!=j){ if( ((x>=0) & (x<SIDE)) & ((y>=0) & (y<SIDE)) ){ if (gameField[i][j] == gameField[x][y]){ sameField = true; } } } } } } } if (zeroField | sameField){ return true; }else{ return false; } } private void initColorRandom(){ int bufColorNumber; int i=0; boolean concur = false; do{ bufColorNumber = getRandomNumber(149); for (int j : colorNumber){ if ((j==bufColorNumber)&(concur!=true)&(bufColorNumber==Color.BLACK.ordinal())&(bufColorNumber==Color.TRANSPARENT.ordinal())){ concur = true; } } if (!concur){ colorNumber[i]=bufColorNumber; i++; } }while(i < INDEXNUMBER); } }