/**
* eAdventure (formerly <e-Adventure> and <e-Game>) is a research project of the
* <e-UCM> research group.
*
* Copyright 2005-2010 <e-UCM> research group.
*
* You can access a list of all the contributors to eAdventure at:
* http://e-adventure.e-ucm.es/contributors
*
* <e-UCM> is a research group of the Department of Software Engineering
* and Artificial Intelligence at the Complutense University of Madrid
* (School of Computer Science).
*
* C Profesor Jose Garcia Santesmases sn,
* 28040 Madrid (Madrid), Spain.
*
* For more info please visit: <http://e-adventure.e-ucm.es> or
* <http://www.e-ucm.es>
*
* ****************************************************************************
*
* This file is part of eAdventure, version 2.0
*
* eAdventure 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 3 of the License, or
* (at your option) any later version.
*
* eAdventure 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 eAdventure. If not, see <http://www.gnu.org/licenses/>.
*/
package es.eucm.ead.model.elements.predef.effects;
import es.eucm.ead.model.elements.conditions.EmptyCond;
import es.eucm.ead.model.elements.conditions.NOTCond;
import es.eucm.ead.model.elements.conditions.OperationCond;
import es.eucm.ead.model.elements.effects.Effect;
import es.eucm.ead.model.elements.effects.TriggerMacroEf;
import es.eucm.ead.model.elements.effects.variables.ChangeFieldEf;
import es.eucm.ead.model.elements.operations.ElementField;
/**
* Represents an effect that is launched only once
*
*/
public class OneShotEf extends ChangeFieldEf {
public static final String LAUNCHED = "launched";
public OneShotEf() {
}
/**
*
* @param effect the effect to launch only once
*/
public OneShotEf(Effect effect) {
this(effect, null);
}
/**
*
* @param effect the effect to launch only once
* @param noEffect the effect to launch all times except first
*/
public OneShotEf(Effect effect, Effect noEffect) {
// Sets true launched variable
ElementField f = new ElementField(this, LAUNCHED);
OperationCond cond = new OperationCond(f);
if (noEffect != null) {
TriggerMacroEf triggerMacro = new TriggerMacroEf();
triggerMacro.putEffect(new NOTCond(cond), effect);
triggerMacro.putEffect(cond, noEffect);
addNextEffect(triggerMacro);
addNextEffect(new ChangeFieldEf(f, EmptyCond.TRUE));
} else {
setElement(this);
setVarName(LAUNCHED);
setOperation(EmptyCond.TRUE);
// Sets as condition that launched variable is false
setCondition(new NOTCond(cond));
// Adds as a next effect the one shot effect
addNextEffect(effect);
}
}
}