public class Board{
private String[][] squares;
public Board(){
squares = new String[10][10];
for (int i = 0; i < 10; i++) {
for (int j = 0; j < 10; j++) {
squares[i][j] = "-";
}
}
}
public boolean onBoard(int row, int col) {
if (row < squares.length && col < squares[0].length && row >= 0 && col >= 0) {
return true;
}
return false;
}
public String toString(){
String blank = "";
for (int i = 0; i < squares.length; i++) {
for (int j = 0; j < squares[i].length; j++) {
blank += squares[i][j] + " ";
}
if (i != 9) {
blank += "\n";
}
}
return blank;
}
public boolean addShip(int row, int col, int len, boolean horizontal){
if (onBoard(row, col) == false) {
return false;
}
if (horizontal == true) {
if ((squares[0].length - col) < len) {
return false;
}
for (int i = col; i < col + len; i++) {
if (row == 0) {
if (i != 0) {
if (squares[row][i - 1].equals("b") || squares[row + 1][i].equals("b")) {
return false;
}
} else {
if (squares[row + 1][i].equals("b")) {
return false;
}
}
if (squares[row][i].equals("b")) {
return false;
}
}
else if (row == 9) {
if (i != 0) {
if (squares[row][i - 1].equals("b") || squares[row - 1][i].equals("b")) {
return false;
}
}
else {
if (squares[row - 1][i].equals("b")) {
return false;
}
}
if (squares[row][i].equals("b")) {
return false;
}
}
else {
if (i != 0) {
if (squares[row][i - 1].equals("b") || squares[row - 1][i].equals("b") || squares[row +
1][i].equals("b")) {
return false;
}
} else {
if (squares[row][i - 1].equals("b") || squares[row - 1][i].equals("b")) {
return false;
}
}
if (squares[row][i].equals("b")) {
return false;
}
}
}
for (int i = col; i < col + len; i++) {
squares[row][i] = "b";
}
}
if (horizontal == false) {
if ((squares.length - row) < len) {
return false;
}
for (int i = row; i < row + len; i++) {
if (col == 0) {
if (i != 0) {
if (squares[i - 1][col].equals("b") || squares[i][col + 1].equals("b")) {
return false;
}
} else {
if (squares[i][col + 1].equals("b")) {
return false;
}
}
} else if (col == 9) {
if (i != 0) {
if (squares[i - 1][col].equals("b") || squares[i][col - 1].equals("b")) {
return false;
}
} else {
if (squares[i][col - 1].equals("b")) {
return false;
}
}
} else {
if (i != 0) {
if (squares[i - 1][col].equals("b") || squares[i][col + 1].equals("b") || squares[i][col -
1].equals("b")) {
return false;
}
}
else {
if (squares[i][col - 1].equals("b") || squares[i][col + 1].equals("b")) {
return false;
}
}
}
if (squares[i][col].equals("b")) {
return false;
}
}
for (int i = row; i < row + len; i++) {
squares[i][col] = "b";
}
}
return true;
}
//Check vertical and horizontal lengths for each cell of matrix
public boolean foundShip(int len){
for (int i = 0; i < squares.length; i++) {
for (int j = 0; j < squares[0].length; j++) {
int countV = 0;
int countH = 0;
if (i != 0 && !(squares[i - 1][j].equals("b"))) {
for (int k = i; k < squares.length; k++) {
if (squares[k][j].equals("b")) {
countV++;
System.out.print(countV);
} else {
break;
}
}
} else if (i == 0) {
for (int k = i; k < squares.length; k++) {
if (squares[k][j].equals("b")) {
countV++;
} else {
break;
}
}
}
if (countV == len) {
return true;
}
if (j != 0 && !(squares[i][j - 1].equals("b"))) {
for (int g = j; g < squares[0].length; g++) {
if (squares[i][g].equals("b")) {
countH++;
System.out.print(countH);
} else {
break;
}
}
} else if (i == 0) {
for (int g = j; g < squares[0].length; g++) {
if (squares[i][g].equals("b")) {
countH++;
} else {
break;
}
}
}
if (countH == len) {
return true;
}
}
}
return false;
}
public int shoot(int row, int col) {
if (row >= squares.length || row < 0 || col >= squares[0].length || col < 0) {
return -1;
}
switch (squares[row][col]) {
case "-":
squares[row][col] = "m";
return 0;
case "b":
squares[row][col] = "x";
return 1;
case "x":
return 2;
case "m":
return 2;
}
return -1;
}
public boolean gameOver(){
for (int i = 0; i < squares.length; i++) {
for (int j = 0; j < squares[0].length; j++) {
if (squares[i][j].equals("b")) {
return false;
}
}
}
return true;
}
