forked from External/mage
81 lines
3 KiB
Java
81 lines
3 KiB
Java
package mage.abilities.effects.common;
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import mage.MageObject;
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import mage.abilities.Ability;
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import mage.abilities.effects.ContinuousRuleModifyingEffectImpl;
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import mage.constants.Duration;
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import mage.constants.Outcome;
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import mage.constants.PhaseStep;
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import mage.game.Game;
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import mage.game.events.GameEvent;
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public class DontUntapInControllersNextUntapStepSourceEffect extends ContinuousRuleModifyingEffectImpl {
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private int validForTurnNum;
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public DontUntapInControllersNextUntapStepSourceEffect() {
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super(Duration.Custom, Outcome.Detriment, false, true);
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staticText = "{this} doesn't untap during your next untap step";
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validForTurnNum = 0;
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}
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public DontUntapInControllersNextUntapStepSourceEffect(final DontUntapInControllersNextUntapStepSourceEffect effect) {
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super(effect);
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}
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@Override
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public DontUntapInControllersNextUntapStepSourceEffect copy() {
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return new DontUntapInControllersNextUntapStepSourceEffect(this);
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}
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@Override
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public boolean apply(Game game, Ability source) {
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return false;
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}
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@Override
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public String getInfoMessage(Ability source, GameEvent event, Game game) {
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MageObject mageObject = game.getObject(source.getSourceId());
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if (mageObject != null) {
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return "{this} doesn't untap (" + mageObject.getLogName() + ')';
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}
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return null;
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}
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@Override
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public boolean checksEventType(GameEvent event, Game game) {
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return event.getType() == GameEvent.EventType.UNTAP_STEP || event.getType() == GameEvent.EventType.UNTAP;
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}
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@Override
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public boolean applies(GameEvent event, Ability source, Game game) {
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// the check for turn number is needed if multiple effects are added to prevent untap in next untap step
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// if we don't check for turn number, every turn only one effect would be used instead of correctly consuming
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// all existing skip the next untap step effects.
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// Discard effect if related to a previous turn
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if (validForTurnNum > 0 && validForTurnNum < game.getTurnNum()) {
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discard();
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return false;
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}
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// remember the turn of the untap step the effect has to be applied
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if (event.getType() == GameEvent.EventType.UNTAP_STEP
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&& game.getActivePlayerId().equals(source.getControllerId())) {
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if (validForTurnNum == game.getTurnNum()) { // the turn has a second untap step but the effect is already related to the first untap step
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discard();
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return false;
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}
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validForTurnNum = game.getTurnNum();
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}
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// skip untap action
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if (game.getTurn().getStepType() == PhaseStep.UNTAP
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&& event.getType() == GameEvent.EventType.UNTAP
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&& game.getActivePlayerId().equals(source.getControllerId())
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&& event.getTargetId().equals(source.getSourceId())) {
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discard();
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return true;
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}
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return false;
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}
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}
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