/*
* PreVision.java
* Copyright 2001 (C) Bryan McRoberts <merton_monk@yahoo.com>
* Copyright 2003 (C) Chris Ward <frugal@purplewombat.co.uk>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Created on November 28, 2003
*
* Current Ver: $Revision$
*
*/
package plugin.pretokens.test;
import pcgen.cdom.base.CDOMObject;
import pcgen.core.Vision;
import pcgen.core.display.CharacterDisplay;
import pcgen.core.prereq.AbstractDisplayPrereqTest;
import pcgen.core.prereq.Prerequisite;
import pcgen.core.prereq.PrerequisiteTest;
import pcgen.util.enumeration.VisionType;
/**
* @author wardc
*
* Checks a characters vision..
*/
public class PreVisionTester extends AbstractDisplayPrereqTest implements PrerequisiteTest
{
/* (non-Javadoc)
* @see pcgen.core.prereq.PrerequisiteTest#passes(pcgen.core.PlayerCharacter)
*/
@Override
public int passes(final Prerequisite prereq, final CharacterDisplay display, CDOMObject source)
{
String range = prereq.getOperand();
VisionType requiredVisionType =
VisionType.getVisionType(prereq.getKey());
int runningTotal = 0;
if (range.equals("ANY"))
{
Vision v = display.getVision(requiredVisionType);
if (v == null)
{
runningTotal += prereq.getOperator().compare(0, 1);
}
else
{
runningTotal += prereq.getOperator().compare(1, 0);
}
}
else
{
int requiredRange = Integer.parseInt(range);
Vision v = display.getVision(requiredVisionType);
if (v == null)
{
runningTotal += prereq.getOperator().compare(0, requiredRange);
}
else
{
int visionRange = Integer.parseInt(v.getDistance().toString());
runningTotal += prereq.getOperator().compare(visionRange,
requiredRange);
}
}
return countedTotal(prereq, runningTotal);
}
/**
* Get the type of prerequisite handled by this token.
* @return the type of prerequisite handled by this token.
*/
@Override
public String kindHandled()
{
return "VISION"; //$NON-NLS-1$
}
}