/***********************************/
/*	     Player2.java	   */
/*     subclass of Player1.java	   */
/***********************************/

import java.util.*;
import java.lang.*;

class Player2 extends Player1
{ 
    boolean  DEBUG = false;

    // mode = 1; normal run.
    //        4; after goal. return initial posotion.
    //        5; time over.  save some information for next game.
    //        2; My free -kick. 
    //        3; Opponent free -kick.            
    int      mode  = 1;
    // parameters in SoccerServer Configure file.
    // radius of Kickable Area = kickable_margin + ball_size + player_size 
    double kickable_area;  
    double kickable_margin = 0.7;  // radius of Kickable margin(ver.5.25)  
    double ball_size = 0.085;      // radius of ball(ver.5.25) 
    double player_size = 0.3;      // radius of player(ver.5.25) 
    int half_time = 500;           // length of half time match.

    ObjectInfo object;
    GoalInfo   object_g;	

    public void ready()
    {
	int  turn = 0, turnMax = 8;
	boolean  ok = false;
	
	kickable_area = kickable_margin + ball_size + player_size;
	send("(move " + Double.toString(initial_pos[p_no][0]) + 
	          " " + Double.toString(initial_pos[p_no][1]) + ")");
	do {
	    message = receive();
	    parse(message);
	    object = getObject("ball");
	    if(object == null)
		send("(turn 60)") ;
	    else {
		if (Math.abs( object.m_direction ) > 5.0) 
		    send("(turn " + object.m_direction + ")") ;
		else
		    ok = true;
	    }
	    try{
		Thread.sleep(s_time);
	    }catch(Exception e){ }
	} while( (!ok) && ((turn++) < turnMax));
	if (turn >= turnMax)
	    System.out.println(" I cannot see the ball. I MUST move.");
    }
    protected void parseHear(String message)
    {
	// get hear information
	StringTokenizer h_tokenizer = new StringTokenizer(message,"() ");
        String sender;
        // skipp hear token
                h_tokenizer.nextToken();
                m_time = Integer.parseInt( h_tokenizer.nextToken() );
                sender = h_tokenizer.nextToken();
                if( sender.compareTo("referee") == 0 )
		    {
			sender = h_tokenizer.nextToken();
			if(DEBUG)
			    System.out.println("Referee says:" + sender);
			parseReferee(sender);
		    }
                else if( sender.compareTo("self") != 0 )
		    {
			String mate_says =message.substring(message.indexOf("self") + 3, message.length()-2).trim();
			if(DEBUG){
			    System.out.println("No Selfsays:" + mate_says);
			    System.out.println("Someone says:" + message);}
		    }
		else
		    System.out.println("From Direction:" + message);
    }
    protected ObjectInfo getObject(String name)
    {
	for(int j = 0; j < m_objects.size(); j++)
	    {
		ObjectInfo object = (ObjectInfo)m_objects.elementAt(j);
		if(object.m_type.compareTo("ball") == 0)
		    return object;
	    }
	return null;
    }
    protected GoalInfo getObject_goal()
    {
	for(int j = 0; j < m_objects.size(); j++)
            {
                GoalInfo object = (GoalInfo)m_objects.elementAt(j);
                if(object.m_type.compareTo("goal") == 0)
                    return object;
            }
        return null;
    }
    protected void parseReferee(String message)
    {
	if( message.charAt(0) == 'o')    // "offside"
	    {
		// needs to save offside_line information.
		fk_team(message.charAt(8));
	    }
	else if ( message.charAt(0) == 'c')    // "corner_kick_l"
	    fk_team(message.charAt(12));
	else if ( message.charAt(0) == 'f')    // "free_kick_side"
	    fk_team(message.charAt(10));
	else if ( message.charAt(0) == 'g') 
	    {
		if ( message.charAt(5) == 'k')    // "goal_kick_side"
		    fk_team(message.charAt(10));
		else                              // "goal"ed.
		    mode = 4;
	    }
	else if ( message.charAt(0) == 'k')
	    {
		if( message.charAt(5) == 'o')    // "kick_off_side"
		    fk_team(message.charAt(9));		
		else if( message.charAt(5) == 'i')    // "kick_in_side"
		    fk_team(message.charAt(8));
	    }
	else if ( message.charAt(0) == 'p')   // "play_on"
	    {
		mode = 1;
	    }
	else if ( message.charAt(0) == 't')   // "time_over"
	    {
		System.out.println("Referee says:" + message);
		mode = 5;
	    }
	else if( message.charAt(0) == 'b')    // "before_kick_off"
	    System.out.println("says:before_kick_off"); 
	else 
	    {
		System.out.println("Referee says:" + message);
		System.out.println("        However, I DON'T know what todo!");
	    }
    }
    protected void fk_team(char side)
    {
	if(this.side == side)
	    mode = 2;   // my ball. 
	else
	    mode = 3;
    }	
    public void run()
    {
	while(m_time < half_time)
	    {
		if (can_shoot())
		    shoot();
		else
		    go_to_ball();
	    }
    }
   protected boolean can_shoot()
    {
	message = receive();
	parse(message);
	object = getObject("ball");
	if (DEBUG)
	    if (object != null)
		{
		    System.out.println("Ball found IN can_shoot().");
		    System.out.println("object.m_distance=" + object.m_distance + " kickable_area=" +kickable_area);}
	    else
		System.out.println("Ball not found IN can_shoot().");
	if((object != null) && (Math.abs(object.m_distance) < kickable_area))
	    { // (1) see a ball, AND (2) ball is near,
		// object_g = (GoalInfo) getObject("goal");
		object_g =  (GoalInfo) getObject_goal();
		if(object_g != null)
		    // (3) see goal.
		    {
			if (DEBUG)
			    {
				System.out.println("Goal found IN can_shoot().");
				object_g.print();
			    }
			return true;
		    }
	    }
	    return false;
    }
    protected void shoot()
    { // shoot opponent goal.
	if (this.side == object_g.m_side)
	    { // own goal, so kick opposite direction.
		if (object_g.m_direction >= 0.0) 
		    send("(kick 50 -170)");
		else
		    send("(kick 50 170)");
	    }
	else
	    { // opponent side.
		send("(kick 50 " + object_g.m_direction + ")");
	    }
    }
    protected void go_to_ball()
    {
	if(DEBUG)
	    {
		System.out.println("Now in go_to_ball()");
		if(object != null) object.print();
		if(object_g != null) object_g.print();
	    }
	if(object == null) // cannot see the ball.
	    send("(turn 60)");
	else {
	    if(object_g == null) // ball is near, but cann not see goal.
		send("(dash 50)");
	    else
		{ // dash to th ball.
		    send("(dash 50)");
		}
	}
    }
}