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package mage.abilities.keyword;
import mage.MageObjectReference;
import mage.abilities.Ability;
import mage.abilities.TriggeredAbilityImpl;
import mage.abilities.effects.Effect;
import mage.abilities.effects.OneShotEffect;
import mage.constants.Outcome;
import mage.constants.Zone;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.events.GameEvent.EventType;
import mage.game.stack.Spell;
import mage.game.stack.StackObject;
import mage.watchers.common.GravestormWatcher;
/**
*
* @author emerald000
*/
public class GravestormAbility extends TriggeredAbilityImpl {
public GravestormAbility() {
super(Zone.STACK, new GravestormEffect());
}
private GravestormAbility(final GravestormAbility ability) {
super(ability);
}
@Override
public GravestormAbility copy() {
return new GravestormAbility(this);
}
@Override
public boolean checkEventType(GameEvent event, Game game) {
return event.getType() == EventType.SPELL_CAST;
}
@Override
public boolean checkTrigger(GameEvent event, Game game) {
if (event.getSourceId().equals(this.getSourceId())) {
StackObject spell = game.getStack().getStackObject(this.getSourceId());
if (spell instanceof Spell) {
for (Effect effect : this.getEffects()) {
effect.setValue("GravestormSpell", spell);
effect.setValue("GravestormSpellRef", new MageObjectReference(spell.getId(), game));
}
return true;
}
}
return false;
}
@Override
public String getRule() {
return "Gravestorm <i>(When you cast this spell, copy it for each permanent put into a graveyard this turn. You may choose new targets for the copies.</i>)";
}
}
class GravestormEffect extends OneShotEffect {
GravestormEffect() {
super(Outcome.Copy);
}
GravestormEffect(final GravestormEffect effect) {
super(effect);
}
@Override
public boolean apply(Game game, Ability source) {
MageObjectReference spellRef = (MageObjectReference) this.getValue("GravestormSpellRef");
if (spellRef != null) {
GravestormWatcher watcher = (GravestormWatcher) game.getState().getWatchers().get(GravestormWatcher.class.getSimpleName());
int gravestormCount = watcher.getGravestormCount();
if (gravestormCount > 0) {
Spell spell = (Spell) this.getValue("GravestormSpell");
if (spell != null) {
if (!game.isSimulation()) {
game.informPlayers("Gravestorm: " + spell.getName() + " will be copied " + gravestormCount + " time" + (gravestormCount > 1 ? "s" : ""));
}
for (int i = 0; i < gravestormCount; i++) {
spell.createCopyOnStack(game, source, source.getControllerId(), true);
}
}
}
return true;
}
return false;
}
@Override
public GravestormEffect copy() {
return new GravestormEffect(this);
}
}