firebrigadeagent.java

机器人设计的Java源程序,提供给大家参考参考

// Copyright (C) 2002 Takeshi Morimoto <[e-mail]>
// All rights reserved.
package sample;

import java.net.*;
import java.util.*;
import yab.agent.*;
import yab.agent.object.*;

public class FireBrigadeAgent extends AbstractFireBrigadeAgent 
{
    public FireBrigadeAgent(InetAddress address, int port) 
    {
        super(address, port);
    }

    protected static final Property
        FIERYNESS_PRP    = Property.get("Building", "fieryness"),
        BURNING_TIME_PRP = Property.get("Building", "burningTime"),
        ENTRANCE_PRP     = Property.get("Building", "entrance");
    protected static final int BURNING_TIME_OF_AN_EARLY_FIRE = 3;
    protected static final Condition
        IS_BURNING_CND = FIERYNESS_PRP.gte(1).and(FIERYNESS_PRP.lte(3)),
        IS_EARLY_CND   = BURNING_TIME_PRP.lte(BURNING_TIME_OF_AN_EARLY_FIRE);
    protected final Condition isNearCnd
        = distancePrp.lte(EXTINGUISHABLE_DISTANCE);
        
    private boolean tankFillingState = false;
        

    protected void act() throws ActionCommandException //动作执行函数（最主要的函数）
    {
       	reportBlockade();
        
        //moveToRefugeIfDamagedOrTankIsEmpty();         //1  添加一个是否需要加水的策略
        
       	//extinguishNearIgnitions();                    //2  添加一个对建筑物属性判断的策略
        
        Collection fires = IS_BURNING_CND.extract(world.buildings);
        Collection earlyFires = IS_EARLY_CND.extract(fires);
        extinguishOrMove(earlyFires);
        extinguishOrMove(fires);                      
        moveToRefuges();
    }
    
    //*************************************************************************//1
    private void moveToRefugeIfDamagedOrTankIsEmpty() throws ActionCommandException 
    {
        if(!isThereRefuge)                              //判断是否有避难所
        	return;
        if ((self().damage() > 0 && self().hp() < 5000) || self().waterQuantity() == 0) //判断水的条件等
        {
            if(self().motionlessPosition() instanceof Refuge) 
            	rest();
            else 
            	move(world.refuges);
        }
    }
   	//*************************************************************************//
 
  	//*************************************************************************//2
  	private void extinguishNearIgnitions() throws ActionCommandException 
  	{
    	ArrayList igns = new ArrayList();
    	for(int i=0;i<world.buildings.size();++i) 
    	{
      		Building b = (Building)world.buildings.get(i);
      		if(b.fieryness() != FIERYNESS_BURNT_OUT && b.temprature() == IGNITION_DEGREE) //根据房屋的属性判断救火策略
      		{
        		igns.add(b);
      		}
    	}
    	if(igns.size() == 0) 
    		return;
    	extinguish(igns);
  	}
  	//*************************************************************************//

    protected void reportBlockade() 
    {
        MotionlessObject pos = self().motionlessPosition();
        if (pos instanceof Road  &&  ((Road) pos).passableLines() == 0)
            tell("clear " + pos.id);
    }

    protected void extinguishOrMove(Collection fires) throws ActionCommandException 
    {
        extinguishNearFire(fires);
        moveToEntrances(fires);        
    }

    protected void extinguishNearFire(Collection fires)throws ActionCommandException 
    {
        if (tankFillingState && (self().waterQuantity() <= 3000))
            return;
        if (!tankFillingState)
        {
            Collection nearFires = isNearCnd.extract(fires);
            if (!nearFires.isEmpty())
                extinguish((Building) BURNING_TIME_PRP.min(nearFires));
        }
        if (tankFillingState) 
        {
          if(self().motionlessPosition() instanceof Refuge) 
              rest();
          else 
          	move(world.refuges);
    	}
    }

    protected void moveToEntrances(Collection fires) throws ActionCommandException 
    {
        if (!fires.isEmpty())
            move(ENTRANCE_PRP.collect(fires));
    }

    protected void moveToRefuges() throws ActionCommandException 
    {
        if (self().motionlessPosition() instanceof Refuge)
            rest();
        move(world.refuges);
    }

    protected void hearTell(RealObject sender, int channelId, String message) 
	{
	}
}