public void takeAction() throws InputFileException {
        if (isInitial) {
            computeNext();
        } else {
            try {
                readMatrix();
            } catch (Exception e) {
                throw new InputFileException();
            }
        }
    }

    public void computeNext() {
        int[][] nextMap = new int[20][30];
        for (int i = 0; i < 20; i++){
            for (int j = 0; j < 30; j++){
                nextMap[i][j] = 0;
                // The terrain always stays the same
                nextMap[i][j] = setFigureGeneral(nextMap[i][j], 0, getFigure(i,j,0));
                // The road map always stays the same
                nextMap[i][j] = setFigureGeneral(nextMap[i][j], 1, getFigure(i,j,1));
                // The crashes are always the same
                nextMap[i][j] = setFigureGeneral(nextMap[i][j], 3, getFigure(i,j,3));
            }
        }
        // Iterate over all cells in the game map and move the cars
        for (int i = 0; i < 20; i++){
            for (int j = 0; j < 30; j++){
                // If there IS a car here, then it should move
                if (getFigure(i,j,2) != 0){
                    int newi, newj, newdir;
                    if (getFigure(i,j,1) != 0){
                        // If there is an arrow here, follow it
                        newi = i + vi[getFigure(i,j,1)];
                        newj = j + vj[getFigure(i,j,1)];
                        newdir = getFigure(i,j,1);
                    } else {
                        // Otherwise, just go to where you were going!
                        newi = i + vi[getFigure(i,j,2)];
                        newj = j + vj[getFigure(i,j,2)];
                        newdir = getFigure(i,j,2);
                    }
                    if (getFigureGeneral(nextMap[newi][newj], 0) == 0 && getFigureGeneral(nextMap[newi][newj], 2) == 0 && getFigureGeneral(nextMap[newi][newj],3) == 0){
                        // If the terrain up ahead is a road, and there is no car there yet, and no accident, move there
                        nextMap[newi][newj] = setFigureGeneral(nextMap[newi][newj],2,newdir);
                    } else {
                        // Move there, but crash like a crying bitch
                        nextMap[newi][newj] = setFigureGeneral(nextMap[newi][newj],3,1);
                        nextMap[newi][newj] = setFigureGeneral(nextMap[newi][newj],2,0);
                    }
                }
            }
        }
        gameMap = nextMap;
        allStates.add(gameMap);
    }