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package mage.abilities.condition.common;
import java.util.Objects;
import java.util.UUID;
import mage.abilities.Ability;
import mage.abilities.condition.Condition;
import mage.game.Game;
import mage.game.permanent.Permanent;
/**
* This condition remembers controller on the first apply.
* As long as this controller keeps unchanged and the source is
* on the battlefield, the condition is true.
*
* @author LevelX2
*/
public class SourceOnBattlefieldControlUnchangedCondition implements Condition {
private UUID controllerId;
@Override
public boolean apply(Game game, Ability source) {
if (controllerId == null) {
controllerId = source.getControllerId();
}
Permanent permanent = game.getBattlefield().getPermanent(source.getSourceId());
return (permanent != null && Objects.equals(controllerId, source.getControllerId()));
}
}