Package mage.sets.zendikar

Source Code of mage.sets.zendikar.ArchiveTrapAlternativeCost

/*
*  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
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package mage.sets.zendikar;

import mage.constants.CardType;
import mage.constants.Rarity;
import mage.abilities.Ability;
import mage.constants.WatcherScope;
import mage.abilities.costs.AlternativeCostImpl;
import mage.abilities.costs.mana.GenericManaCost;
import mage.abilities.effects.common.PutLibraryIntoGraveTargetEffect;
import mage.cards.CardImpl;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.events.GameEvent.EventType;
import mage.target.common.TargetOpponent;
import mage.watchers.Watcher;

import java.util.UUID;

/**
* @author BetaSteward_at_googlemail.com
*/
public class ArchiveTrap extends CardImpl {

    public ArchiveTrap(UUID ownerId) {
        super(ownerId, 41, "Archive Trap", Rarity.RARE, new CardType[]{CardType.INSTANT}, "{3}{U}{U}");
        this.expansionSetCode = "ZEN";

        this.subtype.add("Trap");
        this.color.setBlue(true);

        this.getSpellAbility().addTarget(new TargetOpponent());
        this.getSpellAbility().addEffect(new PutLibraryIntoGraveTargetEffect(13));
        this.getSpellAbility().addAlternativeCost(new ArchiveTrapAlternativeCost());
        this.addWatcher(new ArchiveTrapWatcher());
    }

    public ArchiveTrap(final ArchiveTrap card) {
        super(card);
    }

    @Override
    public ArchiveTrap copy() {
        return new ArchiveTrap(this);
    }

}

class ArchiveTrapWatcher extends Watcher {

    public ArchiveTrapWatcher() {
        super("LibrarySearched", WatcherScope.PLAYER);
    }

    public ArchiveTrapWatcher(final ArchiveTrapWatcher watcher) {
        super(watcher);
    }

    @Override
    public ArchiveTrapWatcher copy() {
        return new ArchiveTrapWatcher(this);
    }

    @Override
    public void watch(GameEvent event, Game game) {
        if (condition == true) //no need to check - condition has already occured
            return;
        if (event.getType() == EventType.LIBRARY_SEARCHED && game.getOpponents(controllerId).contains(event.getPlayerId()))
            condition = true;
    }

}

class ArchiveTrapAlternativeCost extends AlternativeCostImpl {

    public ArchiveTrapAlternativeCost() {
        super("you may pay {0} rather than pay Archive Trap's mana cost");
        this.add(new GenericManaCost(0));
    }

    public ArchiveTrapAlternativeCost(final ArchiveTrapAlternativeCost cost) {
        super(cost);
    }

    @Override
    public ArchiveTrapAlternativeCost copy() {
        return new ArchiveTrapAlternativeCost(this);
    }

    @Override
    public boolean isAvailable(Game game, Ability source) {
        Watcher watcher = game.getState().getWatchers().get("LibrarySearched", source.getControllerId());
        if (watcher != null && watcher.conditionMet())
            return true;
        return false;
    }

    @Override
    public String getText() {
        return "If an opponent searched his or her library this turn, you may pay {0} rather than pay Archive Trap's mana cost";
    }

}
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