Anonymous

	private boolean doAttackHitByPole(Attack attack)
	{
		boolean hitted = false;
        
        int charX, charY, charZ, targetX, targetY, targetZ, dx, dy, dz;
        double angleChar, angleTarget;
        int maxRadius = 80;
        int maxAngleDiff = 90;
        
        if(getKnownObjects() == null)
        {
            _log.warning("ahehe, knownObjects == null in doAttackHitByPole() oO");
            return false;
        }
        
        charX = this.getX();
        charY = this.getY();
        charZ = this.getZ();
        
        // -y (-90 degree)
        // |
        // |   / Heading (360 - this angle from horizontal line)
        // |  /
        // | /
        // o ------------------- +x (0/360 degree)
        // | \
        // |  \
        // |   \ Heading (this angle from horizontal line)
        // |
        // +y (90 degree)
        //
        // Diff angle is char positive angle subtract target positive angle

        // ===========================================================
        // Make sure that char is facing selected target
        angleTarget = calculateTargetAngelFromChar(charX, charY, getTarget().getX(), getTarget().getY());
        this.setHeading((int)((angleTarget / 360.0) * 64399.0));

        // Update char's heading degree
        angleChar = convertHeadingToDegree(this.getHeading());
        if (angleChar == 0) angleChar = 360;
        // ===========================================================

        for (L2Object obj : getKnownObjects())
        {
            if (obj == null)
                continue;       

            //Check if the L2Object is a L2Character
            if(obj instanceof L2Character)
            {
                targetX = obj.getX();
                targetY = obj.getY();
                targetZ = obj.getZ();
                
                dx = Math.abs(charX - targetX);
                dy = Math.abs(charY - targetY);
                dz = Math.abs(charZ - targetZ);
                
                if (dx*dx + dy*dy + dz*dz > maxRadius*maxRadius) continue;
                
                angleTarget = calculateTargetAngelFromChar(charX, charY, obj.getX(), obj.getY());
                if (Math.abs(angleChar - angleTarget) > maxAngleDiff) continue;
                
                L2Character target = (L2Character) obj;

                // Launch a simple attack against the L2Character targeted
                if(!target.isAlikeDead())
                {
                    if (target == getAI().getAttackTarget())
                        hitted |= doAttackHitSimple(attack, target);

                    if(target.isAutoAttackable(this))
                    {
                        if (target == getAI().getAttackTarget())
                            continue;

                        hitted |= doAttackHitSimple(attack, target);
                        target.getAI().notifyEvent(CtrlEvent.EVT_ATTACKED, this);
                    }
                }
            }
        }
		// Return true if one hit isn't missed
		return hitted;
	}
    
    private double calculateTargetAngelFromChar(int charX, int charY, int targetX, int targetY)
    {
        // -y (-90 degree)
        // |
        // |   / Heading (360 - this angle from horizontal line)
        // |  /
        // | /
        // o ------------------- +x (0/360 degree)
        // | \
        // |  \
        // |   \ Heading (this angle from horizontal line)
        // |
        // +y (90 degree)
        //
        // Diff angle is char positive angle subtract target positive angle

        int dx, dy;
        double angleTarget, sine, cosine, distanceXY;

        dx = Math.abs(charX - targetX);
        dy = Math.abs(charY - targetY);

        distanceXY = Math.sqrt(dx*dx + dy*dy);
        cosine = (targetX - charX) / distanceXY;
        sine = (targetY - charY) / distanceXY;
        angleTarget = Math.abs(Math.atan2(sine, cosine));
        if (cosine < 0 && sine < 0)
            angleTarget = 180 + angleTarget;
        else if (cosine < 0 && sine >= 0)
            angleTarget = 180 - angleTarget;
        else if (cosine >= 0 && sine < 0)
            angleTarget = 360 - angleTarget;
        if (angleTarget == 0) angleTarget = 360;
        
        return angleTarget;
    }

    private double convertHeadingToDegree(int heading)
    {
        double angle = 360.0 * (this.getHeading() / 64399.0);
        if (angle == 0) angle = 360;
        return angle;
    }