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* Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
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package mage.abilities;
import java.util.UUID;
import mage.game.Game;
/**
* The ActivationInfo class holds the information how often an ability of an
* object was activated during a turn. It handles the check, if the object is
* still the same, so for example if a permanent left battlefield and returns,
* the counting of activations happens for each object.
*
* @author LevelX2
*/
public class ActivationInfo {
protected int turnNum = 0;
protected int activationCounter = 0;
protected String key;
public static ActivationInfo getInstance(Game game, UUID sourceId) {
return ActivationInfo.getInstance(game, sourceId, game.getState().getZoneChangeCounter(sourceId));
}
public static ActivationInfo getInstance(Game game, UUID sourceId, int zoneChangeCounter) {
String key = "ActivationInfo" + sourceId.toString() + zoneChangeCounter;
Integer activations = (Integer) game.getState().getValue(key);
ActivationInfo activationInfo;
if (activations != null) {
Integer turnNum = (Integer) game.getState().getValue(key + 'T');
activationInfo = new ActivationInfo(game, turnNum, activations);
} else {
activationInfo = new ActivationInfo(game, game.getTurnNum(), 0);
}
activationInfo.setKey(key);
return activationInfo;
}
public void setKey(String key) {
this.key = key;
}
protected ActivationInfo(Game game, int turnNum, int activationCounter) {
this.turnNum = turnNum;
this.activationCounter = activationCounter;
}
public void addActivation(Game game) {
if (game.getTurnNum() != turnNum) {
activationCounter = 1;
turnNum = game.getTurnNum();
} else {
activationCounter++;
}
game.getState().setValue(key, activationCounter);
game.getState().setValue(key + 'T', turnNum);
}
public int getActivationCounter() {
return activationCounter;
}
}