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* Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
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package mage.watchers.common;
import mage.Mana;
import mage.constants.WatcherScope;
import mage.constants.Zone;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.stack.Spell;
import mage.watchers.Watcher;
/**
* Watcher saves the mana that was spent to cast a spell
*
*
* @author LevelX2
*/
public class ManaSpentToCastWatcher extends Watcher {
Mana payment = null;
public ManaSpentToCastWatcher() {
super("ManaSpentToCast", WatcherScope.CARD);
}
public ManaSpentToCastWatcher(final ManaSpentToCastWatcher watcher) {
super(watcher);
this.payment = watcher.payment;
}
@Override
public void watch(GameEvent event, Game game) {
if (event.getType() == GameEvent.EventType.SPELL_CAST && event.getZone() == Zone.HAND) {
Spell spell = (Spell) game.getObject(event.getTargetId());
if (this.getSourceId().equals(spell.getSourceId())) {
payment = spell.getSpellAbility().getManaCostsToPay().getPayment();
}
}
}
@Override
public ManaSpentToCastWatcher copy() {
return new ManaSpentToCastWatcher(this);
}
public Mana getAndResetLastPayment() {
Mana returnPayment = null;
if (payment != null) {
returnPayment = payment.copy();
// reset payment for next check
payment = null;
}
return returnPayment;
}
}