import java.awt.*; 
public class Penguin extends Thread {
    ActionList action; 
    public void run() {
	while (true) {
	    perform(action.get()); 
	}
    }
    private void _pause() { 
	try { 
	    this.sleep(speed * 10); 
	} catch (InterruptedException e) { } 
    }
    private void _think() { 
	try { 
	    this.sleep(100); 
	} catch (InterruptedException e) { } 
    }
    private void _turnLeft() { 
	_think(); 
	if (direction.equals("south")) { 
	    direction = "east"; 
	    look = 12; 
	} else if (direction.equals("east")) { 
	    direction = "north"; 
	    look = 5; 
	} else if (direction.equals("north")) { 
	    direction = "west"; 
	    look = 7; 
	} else { 
	    direction = "south"; 
	    look = 2; 
	}
	report(); 
    }
    private void _wave() {
	for (int i = 0; i <  4; i++) { 
	    _think(); look =  0; report(); 
	    _think(); look = 39; report(); 
	}
	_think(); look =  0; report(); 
    }
    private void _happy() {
	_think(); 
	if (direction.equals("south")) { 
	    _wave(); _think(); look = 2; report(); 
	} else if (direction.equals("east")) { 
	    look = 2; _wave(); _think(); look = 12; report();
	} else if (direction.equals("north")) { 
	    look =  7; report(); _think(); 
	    look =  2; report(); _wave(); _think(); 
	    look =  7; report(); _think(); 
	    look =  5; report(); _think(); 
	} else { // west 
	    look = 2; report(); _wave(); 
	    look = 7; report(); _think(); 
	}
    }
    private void _turnRight() { 
	_think(); 
	if (direction.equals("south")) { 
	    direction = "west"; 
	    look = 7; 
	} else if (direction.equals("east")) { 
	    direction = "south"; 
	    look = 2; 
	} else if (direction.equals("north")) { 
	    direction = "east"; 
	    look = 12; 
	} else { 
	    direction = "north"; 
	    look = 5; 
	}
	report(); 
    }
    void _moveForward() {   
	for (int i = 0; i < 5; i++) { 
	    _think(); 
	    if (direction.equals("south")) { 
		y += dy; 
		look = animP[12 + (i + 1) % 4]; 
	    } else if (direction.equals("east")) { 
		x += dx; 
		look = animP[ 4 + (i + 2) % 4]; 
	    } else if (direction.equals("north")) { 
		y -= dy; 
		look = animP[ 8 + (i + 1) % 4]; 
	    } else { // west 
		x -= dx; 
		look = animP[ 0 + i % 4]; 
	    }
	    report(); 
	}
    }
    public void perform(String action) {
	if (action.equals("turnLeft")) {
	    this._turnLeft(); 
	} else if (action.equals("turnRight")) { 
	    this._turnRight(); 
	} else if (action.equals("moveForward")) { 
	    this._moveForward(); 
        } else if (action.equals("backwards")) {
	    _turnLeft(); 
	    _turnLeft(); 
	    _moveForward(); 
	    _turnRight(); 
	    _turnRight(); 
	} else if (action.equals("pause")) {
	    this._pause(); 
	} else if (action.equals("think")) { 
	    this._think();
	} else if (action.equals("happy")) {
	    this._happy();
	} else System.out.println("Don't understand " + action); 
    }
    void turnRight() { 
	action.put("turnRight"); 
    }
    void moveForward() {   
	action.put("moveForward"); 
    }
    void wave() { action.put("wave"); } 
    void pause() { action.put("pause"); } 
    void think() { action.put("think"); } 
    void happy() { action.put("happy"); } 
    int animP[] = {    7,  8,  9,  8, //  left ( west)
                      10, 11, 12, 11, // right ( east) 
                       4,  5,  6,  5, //    up (north)
                       1,  2,  3,  2  //  down (south)
    };
    Rink location; 
    void placeIn(Rink placement, int x, int y) {
        this.location = placement; 
        frames = this.location.small; 
        this.x = x * 30; this.y = y * 30; 
        this.report(); 
    }
    Image[] frames; 
    void report() { location.repaint(); } 
    int x, y, dx = 6, dy = 6, look = 2;
    void draw(Graphics g) {
        g.drawImage(frames[look], x, y, location); 
    } 
    int speed = 100;
    Penguin() {
	action = new ActionList(); 
        this.speed = 100; 
    }
    void turnLeft() { 
	action.put("turnLeft"); 
    }
    String direction = "south"; 
}