Hunters game

Newbie & Debugging Questions
#1

Hi

I am to design a hunters game in java which is going to be run from cmd(strictly no GUI) I have created a 12x12 array which is my board, I need to move my character using keys, and make a Hunter(NPC) move towards [0][0] from [12][12]. How do I store each players and hunters coordinates (To check for collisions etc)?
Java Code:

public class Hunters {
     
        String [][] a2;
        private static int score;
       private static String player = "P";
       private static String move;
        
 
  public static void main(String[] args){
       
       Scanner in = new Scanner(System.in);
String [][]a2 = new String [12][12];
String emptyfield = "X";
score = 5;
 
for (int r = 0 ; r < a2.length; r++){
    for (int c= 0; c <a2[r].length; c++){
        a2 [r][c] = emptyfield;
        a2[0][0] = player;
        System.out.print(" "+a2[r][c]);
    }
  System.out.println("");
  
}
System.out.println("Input your move");
move = in.nextLine();
if (move.equalsIgnoreCase("w")){
 //move up
    //repaint
    //check for collision
    //check for health
}else if(move.equalsIgnoreCase("s")){
    //move down
    //repaint
      //check for collision
    //check for health
}else if(move.equalsIgnoreCase("d")){
    //move right
    //repaint
      //check for collision
    //check for health
}else if(move.equalsIgnoreCase("a")){
    //move left
    //repaint
      //check for collision
    //check for health
}   
}
}

Thanks!

#2

Can’t you set if a location is blocked or not in the array and then check if the new position is open?

#3

I would add another class:

class Position {
    public int x;
    public int y;

    public Position(int x, int y) {
        this.x = x;
        this.y = y;
    }
}

Then for your players and hunters just instantiate an instance of Position e.g.:

private Position player = new Position(6,6);

// to move up
player.y -= 1;

and finally use ra4king’s suggestion and use the 2D array to store terrain information about the actual tile e.g. if it is blocked or not etc…

#4

If you’re lazy to create that Position class, can use Point :slight_smile:

#5

Thanks for your suggestions, I will experiment a bit and get back to you :)!

#6

Hi,

I have created a separate ‘Position’ class.

I have a String called player which defines what it actually looks like(in the Main) ;

String player = "P";

And placing it at the beginning of the game at 0,0, so ;

 board[0][0] = player;

In my IF statement, for ‘w’(move up) putting your Position code, I get a [quote] player is already defined…
[/quote]
.
How do I tell java how do my player looks like so the “P” is actually moving through the array using WSAD?

Sorry for basic questions, its my first real project :slight_smile:

Thanks

#7

“is already defined” usually refers to duplicate variable’s name. commonly occur when you forget already mentioned it on global.

#8

Hi,

Sorry, I’ve made too much mess in this thread. I’ve decided to take this project into smaller parts(At last, eh?).

I have to make the game playable in the cmd window, not a GUI.

Using VB i was able to pretty much replicate the idea using the Point method. So far, I want to create a 12x12 square which will be used a board, and be able to spawn a player (string “P”) at 0,0 and move him using keys.