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package agent.three;
import agent.Agent;
import agent.TimeServer;
import agent.TimeServerLinked;
import java.util.Observer;
public class Main {
public static void main (String[] args) {
World w = World.instance;
Agent a = new Tiger();
w.enqueue(0,a);
w.set(0,0,a);
w.run(100);
}
}
class Util {
private Util() {}
private final static long SEED = 2497;
private final static java.util.Random r = new java.util.Random(SEED);
static int random(int n) { return r.nextInt(n); }
static boolean randomBoolean() { return r.nextBoolean(); }
}
interface World extends TimeServer {
public static final World instance = new WorldObj();
public int maxx();
public int maxy();
public Object get(int i, int j);
public void set(int i, int j, Object a);
}
class WorldObj implements World {
private final static int MAXX = 100;
private final static int MAXY = 100;
private TimeServer time = new TimeServerLinked();
private Object[][] space = new Object[MAXX][MAXY];
public int maxx() { return MAXX; }
public int maxy() { return MAXY; }
public Object get(int x, int y) { return space[x%MAXX][y%MAXY]; }
public void set(int x, int y, Object a){ space[x%MAXX][y%MAXY] = a; }
public double currentTime() { return time.currentTime(); }
public void enqueue(double t, Agent a) { time.enqueue(t,a); }
public void run(double d) { time.run(d); }
public void addObserver(Observer o) { time.addObserver(o); }
public void deleteObserver(Observer o) { time.deleteObserver(o); }
}
/* BUGS HERE */
class Tiger implements Agent {
private int x;
private int y;
private World w = World.instance;
private void moveRandom() {
w.set(x,y,null);
if (Util.randomBoolean()) { x = (x+1)%w.maxx(); }
if (Util.randomBoolean()) { y = (y+1)%w.maxy(); }
w.set(x,y,this);
}
public void run() {
moveRandom();
System.out.println("It's " + w.currentTime() + " and I'm alive at (" + x + "," + y + ")!");
w.enqueue(10+w.currentTime(), this);
}
}
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