extern void object::ShieldArea()
{
	int enemyList[];
	int i = 0;
	 
	enemyList[i++] = AlienAnt;
	enemyList[i++] = AlienWorm;
	enemyList[i++] = AlienWasp;
	enemyList[i++] = AlienSpider;
	
	object enemy;
	object damagedAlly;
	
	while(true)
	{
		enemy = radar(enemyList,0,360,0,45);
		
		if(enemy != null)
		    shield(1, 25);
		else
		{
			damagedAlly = findDamagedAlly();
			
			if(damagedAlly != null)
			    shield(1,distance2d(position,damagedAlly.position));
			else
			{
				shield(0,0);
				wait(1);
			}
		}      
	}
}

object object::findDamagedAlly()
{
	int allyList[];
	int i = 0;
	
	allyList[i++] = WingedGrabber;
	allyList[i++] = TrackedGrabber;
	allyList[i++] = WheeledGrabber;
	allyList[i++] = LeggedGrabber;
	allyList[i++] = WingedShooter;
	allyList[i++] = TrackedShooter;
	allyList[i++] = WheeledShooter;
	allyList[i++] = LeggedShooter;
	allyList[i++] = WingedOrgaShooter;
	allyList[i++] = TrackedOrgaShooter;
	allyList[i++] = WheeledOrgaShooter;
	allyList[i++] = LeggedOrgaShooter;
	allyList[i++] = WingedSniffer;
	allyList[i++] = TrackedSniffer;
	allyList[i++] = WheeledSniffer;
	allyList[i++] = LeggedSniffer;
	allyList[i++] = Thumper;
	allyList[i++] = PhazerShooter;
	allyList[i++] = Recycler;
	allyList[i++] = Shielder;
	allyList[i++] = Subber;
	allyList[i++] = Derrick;
	allyList[i++] = BotFactory;
	allyList[i++] = PowerStation;
	allyList[i++] = Converter;
	allyList[i++] = RepairCenter;
	allyList[i++] = DefenseTower;
	allyList[i++] = ResearchCenter;
	allyList[i++] = RadarStation;
	allyList[i++] = ExchangePost;
	allyList[i++] = PowerPlant;
	allyList[i++] = AutoLab;
	allyList[i++] = NuclearPlant;
	
	object damagedAlly;
	float min = 0;
	
	while((damagedAlly = radar(allyList,0,360,min,25)) != null)
	{
		if(damagedAlly.shieldLevel < 1)
		    return damagedAlly;
		
		min = distance2d(position,damagedAlly.position) + 0.5;
	}
	
	return null;
}