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

package mage.abilities.effects.common;

import mage.MageObject;
import mage.abilities.TriggeredAbilityImpl;
import mage.abilities.effects.Effect;
import mage.constants.Zone;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.stack.Spell;

/**
 * @author Plopman
 */
public class CastSourceTriggeredAbility extends TriggeredAbilityImpl {

    public static final String SOURCE_CAST_SPELL_ABILITY = "sourceCastSpellAbility";

    public CastSourceTriggeredAbility(Effect effect) {
        this(effect, false);
    }

    public CastSourceTriggeredAbility(Effect effect, boolean optional) {
        super(Zone.STACK, effect, optional);
        this.ruleAtTheTop = true;
        setTriggerPhrase("When you cast this spell, ");
    }

    protected CastSourceTriggeredAbility(final CastSourceTriggeredAbility ability) {
        super(ability);
    }

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

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

    @Override
    public boolean checkTrigger(GameEvent event, Game game) {
        if (!event.getSourceId().equals(this.getSourceId())) {
            return false;
        }
        MageObject spellObject = game.getObject(sourceId);
        if ((!(spellObject instanceof Spell))) {
            return true;
        }
        Spell spell = (Spell) spellObject;
        if (spell.getSpellAbility() != null) {
            getEffects().setValue(SOURCE_CAST_SPELL_ABILITY, spell.getSpellAbility());
        }
        getEffects().setValue("spellCast", spell);
        return true;
    }
}