Package mage.abilities.keyword

Source Code of mage.abilities.keyword.EchoEffect

/*
* Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
*
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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package mage.abilities.keyword;

import java.util.UUID;
import mage.abilities.Ability;
import mage.abilities.Mode;
import mage.abilities.TriggeredAbilityImpl;
import mage.abilities.costs.Cost;
import mage.abilities.costs.Costs;
import mage.abilities.costs.CostsImpl;
import mage.abilities.costs.mana.ManaCostsImpl;
import mage.abilities.effects.OneShotEffect;
import mage.constants.Outcome;
import mage.constants.Zone;
import mage.game.Game;
import mage.game.events.EntersTheBattlefieldEvent;
import mage.game.events.GameEvent;
import mage.game.permanent.Permanent;
import mage.players.Player;

/**
*
* @author Backfir3
*/
public class EchoAbility extends TriggeredAbilityImpl {

    protected UUID lastController;
    protected boolean echoPaid;
    protected Costs echoCosts = new CostsImpl();
    private boolean manaEcho = true;

    public EchoAbility(String manaString) {
        super(Zone.BATTLEFIELD, new EchoEffect(new ManaCostsImpl(manaString)), false);
        this.echoPaid = false;
        this.echoCosts.add(new ManaCostsImpl(manaString));
        this.lastController = null;
    }

    public EchoAbility(Cost echoCost) {
        super(Zone.BATTLEFIELD, new EchoEffect(echoCost), false);
        this.echoPaid = false;
        this.echoCosts.add(echoCost);
        this.manaEcho = false;
        this.lastController = null;
    }

    public EchoAbility(final EchoAbility ability) {
        super(ability);
        this.echoPaid = ability.echoPaid;
        this.echoCosts = ability.echoCosts.copy();
        this.manaEcho = ability.manaEcho;
        this.lastController = ability.lastController;
    }

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

    @Override
    public boolean checkTrigger(GameEvent event, Game game) {
        // reset the echo paid state back, if creature enteres the battlefield
        if (event.getType().equals(GameEvent.EventType.ENTERS_THE_BATTLEFIELD)
                && event.getTargetId().equals(this.getSourceId())) {
            this.echoPaid = false;
        }
        if (event.getType().equals(GameEvent.EventType.UPKEEP_STEP_PRE)) {
            if(lastController != null){
                if(!lastController.equals(this.controllerId)){
                    this.echoPaid = false;
                }
            }
            // remember the last controller
            lastController = this.getControllerId();
        }
        // if echo not paid yet, controller has to pay
        if (event.getType().equals(GameEvent.EventType.UPKEEP_STEP_PRE) &&
            event.getPlayerId().equals(this.controllerId) &&
            lastController.equals(this.controllerId) && !this.echoPaid){
            this.echoPaid = true;
            return true;
        }
        return false;
    }

    @Override
    public String getRule() {
        StringBuilder sb = new StringBuilder("Echo");
        if (manaEcho) {
            sb.append(" ");
        } else {
            sb.append("-");
        }
        sb.append(echoCosts.getText());
        sb.append(" <i>(At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)</i>");
        return sb.toString();
    }
}

class EchoEffect extends OneShotEffect {
    protected Cost cost;

    public EchoEffect(Cost costs) {
        super(Outcome.Sacrifice);
        this.cost = costs;
     }

    public EchoEffect(final EchoEffect effect) {
        super(effect);
        this.cost = effect.cost;
    }

    @Override
    public boolean apply(Game game, Ability source) {
        Player player = game.getPlayer(source.getControllerId());
        Permanent permanent = game.getPermanent(source.getSourceId());
        if (player != null && permanent != null) {
            if (player.chooseUse(Outcome.Benefit, "Pay " + cost.getText() /* + " or sacrifice " + permanent.getName() */ + "?", game)) {
                cost.clearPaid();
                if (cost.pay(source, game, source.getSourceId(), source.getControllerId(), false)) {
                    return true;
                                }
            }
            permanent.sacrifice(source.getSourceId(), game);
            return true;
        }
        return false;
    }

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

    @Override
    public String getText(Mode mode) {
            StringBuilder sb = new StringBuilder("sacrifice {this} unless you ");
            String costText = cost.getText();
            if (costText.toLowerCase().startsWith("discard")) {
                sb.append(costText.substring(0, 1).toLowerCase());
                sb.append(costText.substring(1));
            }
            else {
                sb.append("pay ").append(costText);
            }

            return sb.toString();

    }
}
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