Ghosts.jack

class Ghosts {
  field Array ghosts;
  field int nGhosts;
  field PacMan pacman;
  field Walls walls;
  field Pellets pellets;

  constructor Ghosts new(PacMan pm, Walls w, Pellets p) {
    let nGhosts = 4;
    let walls = w;
    let pacman = pm;
    let pellets = p;
    let ghosts = Array.new(nGhosts);
    do createGhosts();
    return this;
  }

  method void createGhosts() {
    let ghosts[0] = Ghost.new(162, 117, pacman, walls, pellets);
    let ghosts[1] = Ghost.new(162, 117, pacman, walls, pellets);
    let ghosts[2] = Ghost.new(162, 117, pacman, walls, pellets);
    let ghosts[3] = Ghost.new(162, 117, pacman, walls, pellets);
    return;
  }

  method void init() {
    var int i;
    var Ghost cur;
    let i = 0;
    while (i < nGhosts) {
      let cur = ghosts[i];
      do cur.init();
      let i = i + 1;
    }
    return;
  }

  method void next() {
    var int i;
    var Ghost cur;
    let i = 0;
    while (i < nGhosts) {
      let cur = ghosts[i];
      do cur.next();
      let i = i + 1;
    }
    return;
  }

  method void dispose() {
	  var Ghost b;
	  var int i;
    let i = 0;
    while (i < 4) {
      let b = ghosts[i];
      do b.dispose();
      let i = i + 1;
    }
	  do ghosts.dispose();
    do Memory.deAlloc(this);
    return;
  }
}