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Update BattleShips
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@Rikni
Rikni authored Jan 3, 2022
1 parent f768250 commit 67d9921
Showing 1 changed file with 40 additions and 34 deletions.
74 changes: 40 additions & 34 deletions BattleShips
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Original file line number Diff line number Diff line change
Expand Up @@ -5,12 +5,14 @@ public class BattleShips {
public static int numCols = 10;
public static int playerShips;
public static int computerShips;
public static int[][] playerHit = new int[numRows][numCols];
public static String[][] grid = new String[numRows][numCols];
public static int[][] missedGuesses = new int[numRows][numCols];

public static void main(String[] args){
System.out.println("***** Welcome to Battle Ships game *****");
System.out.println("Right now, sea is empty\n");
System.out.println("-------------------------------------------------");
System.out.println("| Welcome to War of Battle Ships game |");
System.out.println("-------------------------------------------------");
System.out.println(" Right now, sea is empty\n");

//Create the ocean map
createOceanMap();
Expand All @@ -26,15 +28,15 @@ public class BattleShips {
Battle();
}while(BattleShips.playerShips != 0 && BattleShips.computerShips != 0);

//Game over/End Game
//Game over
gameOver();
}

public static void createOceanMap(){
//First section of Ocean Map
//Ocean Map
System.out.print(" ");
for(int i = 0; i < numCols; i++)
System.out.print(i);
System.out.print(i);
System.out.println();

//Middle section of Ocean Map
Expand Down Expand Up @@ -62,20 +64,20 @@ public class BattleShips {
Scanner input = new Scanner(System.in);

System.out.println("\nDeploy your ships:");
//Deploying five ships for player
//Deploying ships for player
BattleShips.playerShips = 5;
for (int i = 1; i <= BattleShips.playerShips; ) {
for (int i = 0; i <= BattleShips.playerShips; ) {
System.out.print("Enter X coordinate for your " + i + " ship: ");
int x = input.nextInt();
System.out.print("Enter Y coordinate for your " + i + " ship: ");
int y = input.nextInt();

if((x >= 0 && x < numRows) && (y >= 0 && y < numCols) && (grid[x][y] == " "))
if((x >= 0 && x < numRows) && (y >= 0 && y < numCols) && (grid[y][x] == " "))
{
grid[x][y] = "@";
grid[y][x] = "@";
i++;
}
else if((x >= 0 && x < numRows) && (y >= 0 && y < numCols) && grid[x][y] == "@")
else if((x >= 0 && x < numRows) && (y >= 0 && y < numCols) && grid[y][x] == "@")
System.out.println("You can't place two or more ships on the same location");
else if((x < 0 || x >= numRows) || (y < 0 || y >= numCols))
System.out.println("You can't place ships outside the " + numRows + " by " + numCols + " grid");
Expand All @@ -85,15 +87,15 @@ public class BattleShips {

public static void deployComputerShips(){
System.out.println("\nComputer is deploying ships");
//Deploying five ships for computer
//Deploying ships for computer
BattleShips.computerShips = 5;
for (int i = 1; i <= BattleShips.computerShips; ) {
int x = (int)(Math.random() * 10);
int y = (int)(Math.random() * 10);

if((x >= 0 && x < numRows) && (y >= 0 && y < numCols) && (grid[x][y] == " "))
if((x >= 0 && x < numRows) && (y >= 0 && y < numCols) && (grid[y][x] == " "))
{
grid[x][y] = "x";
grid[x][y] = "\u00A0"; //Non-breaking Space Unicode or Invisible space
System.out.println(i + ". ship DEPLOYED");
i++;
}
Expand Down Expand Up @@ -124,21 +126,27 @@ public class BattleShips {

if ((x >= 0 && x < numRows) && (y >= 0 && y < numCols)) //valid guess
{
if (grid[x][y] == "x") //if computer ship is already there; computer loses ship
if (playerHit[y][x] == 1 ){
System.out.println("The coordinate you entered was already used, please try again.");
x=-1;
}
else if (grid[y][x] == "\u00A0") //if computer ship is already there; computer loses ship
{
System.out.println("Boom! You sunk the ship!");
grid[x][y] = "!"; //Hit mark
grid[y][x] = "!"; //Hit mark
playerHit[y][x]=1;
--BattleShips.computerShips;
}
else if (grid[x][y] == "@") {
else if (grid[y][x] == "@") {//Player entered coordinates of his/her own ship (player loses ship).
System.out.println("Oh no, you sunk your own ship :(");
grid[x][y] = "x";
grid[y][x] = "x";
playerHit[y][x]=1;
--BattleShips.playerShips;
++BattleShips.computerShips;
}
else if (grid[x][y] == " ") {
else if (grid[y][x] == " ") {//Player missed. No ship on the entered coordinates
System.out.println("Sorry, you missed");
grid[x][y] = "-";
playerHit[y][x]=1;
grid[y][x] = "-";
}
}
else if ((x < 0 || x >= numRows) || (y < 0 || y >= numCols)) //invalid guess
Expand All @@ -148,30 +156,29 @@ public class BattleShips {

public static void computerTurn(){
System.out.println("\nCOMPUTER'S TURN");
//Guess co-ordinates
//co-ordinates
int x = -1, y = -1;
do {
x = (int)(Math.random() * 10);
y = (int)(Math.random() * 10);

if ((x >= 0 && x < numRows) && (y >= 0 && y < numCols)) //valid guess
{
if (grid[x][y] == "@") //if player ship is already there; player loses ship
if (grid[y][x] == "@") //if player ship is already there; player loses ship
{
System.out.println("The Computer sunk one of your ships!");
grid[x][y] = "x";
grid[y][x] = "x";
--BattleShips.playerShips;
++BattleShips.computerShips;
}
else if (grid[x][y] == "x") {
else if (grid[x][y] == "\u00A0") {
System.out.println("The Computer sunk one of its own ships");
grid[x][y] = "!";
grid[y][x] = "!";
}
else if (grid[x][y] == " ") {
else if (grid[y][x] == " ") {
System.out.println("Computer missed");
//Saving missed guesses for computer
if(missedGuesses[x][y] != 1)
missedGuesses[x][y] = 1;
if(missedGuesses[y][x] != 1)
missedGuesses[y][x] = 1;
}
}
}while((x < 0 || x >= numRows) || (y < 0 || y >= numCols)); //keep re-prompting till valid guess
Expand All @@ -182,13 +189,13 @@ public class BattleShips {
if(BattleShips.playerShips > 0 && BattleShips.computerShips <= 0)
System.out.println("Hooray! You won the battle :)");
else
System.out.println("Sorry, you lost the battle");
System.out.println("\n*** GAME OVER ***");
System.out.println();
}
}

public static void printOceanMap(){
System.out.println();
//First section of Ocean Map
//Ocean Map
System.out.print(" ");
for(int i = 0; i < numCols; i++)
System.out.print(i);
Expand All @@ -212,4 +219,3 @@ public class BattleShips {
System.out.println();
}
}

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