foul-magics/Mage/src/main/java/mage/abilities/common/ExploitCreatureTriggeredAbility.java

package mage.abilities.common;

import mage.MageObject;
import mage.abilities.TriggeredAbilityImpl;
import mage.abilities.effects.Effect;
import mage.constants.SetTargetPointer;
import mage.constants.Zone;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.permanent.Permanent;
import mage.target.targetpointer.FixedTarget;

/**
 *
 * @author LevelX2
 */
public class ExploitCreatureTriggeredAbility extends TriggeredAbilityImpl {

    private SetTargetPointer setTargetPointer;

    public ExploitCreatureTriggeredAbility(Effect effect, boolean optional) {
        this(effect, optional, SetTargetPointer.NONE);
    }

    public ExploitCreatureTriggeredAbility(Effect effect, boolean optional, SetTargetPointer setTargetPointer) {
        super(Zone.BATTLEFIELD, effect, optional);
        this.setTargetPointer = setTargetPointer;
        // For example: if the creature with the Exploit ability is sacrificed, the trigger ability must use the controller of the LKI, not the owner
        setLeavesTheBattlefieldTrigger(true); // https://github.com/magefree/mage/issues/8317
    }

    public ExploitCreatureTriggeredAbility(final ExploitCreatureTriggeredAbility ability) {
        super(ability);
        this.setTargetPointer = ability.setTargetPointer;
    }

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

    @Override
    public boolean checkEventType(GameEvent event, Game game) {
        return event.getType() == GameEvent.EventType.EXPLOITED_CREATURE;
    }

    @Override
    public boolean isInUseableZone(Game game, MageObject source, GameEvent event) {
        Permanent sourcePermanent = null;
        if (game.getState().getZone(getSourceId()) == Zone.BATTLEFIELD) {
            sourcePermanent = game.getPermanent(getSourceId());
        } else {
            if (game.getShortLivingLKI(getSourceId(), Zone.BATTLEFIELD)) {
                sourcePermanent = (Permanent) game.getLastKnownInformation(getSourceId(), Zone.BATTLEFIELD);
            }
        }
        if (sourcePermanent == null) {
            return false;
        }
        return hasSourceObjectAbility(game, sourcePermanent, event);
    }

    @Override
    public boolean checkTrigger(GameEvent event, Game game) {
        if (event.getSourceId().equals(getSourceId())) {
            for (Effect effect : getEffects()) {
                if (setTargetPointer == SetTargetPointer.PERMANENT) {
                    effect.setTargetPointer(new FixedTarget(event.getTargetId()));
                }
            }
            return true;
        }
        return false;
    }

    @Override
    public String getTriggerPhrase() {
        return "When {this} exploits a creature, " ;
    }
}