TributeTrigger.java

package magic.model.trigger;

import magic.model.MagicCounterType;
import magic.model.MagicGame;
import magic.model.MagicPayedCost;
import magic.model.MagicPermanent;
import magic.model.action.ChangeCountersAction;
import magic.model.action.PutItemOnStackAction;
import magic.model.choice.MagicMayChoice;
import magic.model.event.MagicEvent;
import magic.model.event.MagicEventAction;
import magic.model.event.MagicSourceEvent;
import magic.model.stack.MagicTriggerOnStack;

public abstract class TributeTrigger extends EntersBattlefieldTrigger {

    private final int amt;

    private final MagicEventAction EVENT_ACTION = (final MagicGame game, final MagicEvent event) -> {
        final MagicPermanent permanent = event.getPermanent();
        if (event.isYes()) {
            game.doAction(new ChangeCountersAction(
                permanent,
                MagicCounterType.PlusOne,
                event.getRefInt()
            ));
        } else {
            game.doAction(new PutItemOnStackAction(new MagicTriggerOnStack(getEvent(permanent))));
        }
    };

    public TributeTrigger(final int aAmt) {
        super(MagicTrigger.REPLACEMENT);
        amt = aAmt;
    }

    public static TributeTrigger create(final int amt, final MagicSourceEvent sourceEvent) {
        return new TributeTrigger(amt) {
            @Override
            public MagicEvent getEvent(final MagicPermanent permanent) {
                return sourceEvent.getTriggerEvent(permanent);
            }
        };
    }

    @Override
    public MagicEvent executeTrigger(final MagicGame game, final MagicPermanent perm, final MagicPayedCost payedCost) {
        return new MagicEvent(
            perm,
            perm.getOpponent(),
            new MagicMayChoice("Put " + amt + " +1/+1 counters on " + perm + "?"),
            amt,
            EVENT_ACTION,
            "PN may$ put RN +1/+1 counters on SN."
        );
    }

    public abstract MagicEvent getEvent(final MagicPermanent permanent);
}