AtUpkeepTrigger.java

package magic.model.trigger;

import magic.model.MagicGame;
import magic.model.MagicPermanent;
import magic.model.MagicPlayer;
import magic.model.MagicSource;
import magic.model.action.DrawAction;
import magic.model.action.RemoveTriggerAction;
import magic.model.event.MagicEvent;
import magic.model.event.MagicSourceEvent;

public abstract class AtUpkeepTrigger extends MagicTrigger<MagicPlayer> {
    public AtUpkeepTrigger(final int priority) {
        super(priority);
    }

    public AtUpkeepTrigger() {}

    public MagicTriggerType getType() {
        return MagicTriggerType.AtUpkeep;
    }

    public static AtUpkeepTrigger create(final MagicSourceEvent sourceEvent) {
        return new AtUpkeepTrigger() {
            @Override
            public MagicEvent executeTrigger(final MagicGame game,final MagicPermanent permanent, final MagicPlayer upkeepPlayer) {
                return sourceEvent.getTriggerEvent(permanent, upkeepPlayer);
            }
        };
    }

    public static AtUpkeepTrigger createOpp(final MagicSourceEvent sourceEvent) {
        return new AtUpkeepTrigger() {
            @Override
            public boolean accept(final MagicPermanent permanent, final MagicPlayer upkeepPlayer) {
                return permanent.isOpponent(upkeepPlayer);
            }
            @Override
            public MagicEvent executeTrigger(final MagicGame game,final MagicPermanent permanent, final MagicPlayer upkeepPlayer) {
                return sourceEvent.getTriggerEvent(permanent, upkeepPlayer);
            }
        };
    }

    public static final AtUpkeepTrigger YouDraw(final MagicSource staleSource, final MagicPlayer stalePlayer) {
        return new AtUpkeepTrigger() {
            @Override
            public MagicEvent executeTrigger(final MagicGame game,final MagicPermanent permanent,final MagicPlayer upkeepPlayer) {
                game.addDelayedAction(new RemoveTriggerAction(this));
                return new MagicEvent(
                    game.createDelayedSource(staleSource, stalePlayer),
                    this,
                    "PN draws a card."
                );
            }
            @Override
            public void executeEvent(final MagicGame game, final MagicEvent event) {
                game.doAction(new DrawAction(event.getPlayer()));
            }
        };
    }
}