Package mage.abilities.effects.common

Source Code of mage.abilities.effects.common.CantTargetControlledEffect

/*
*  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
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package mage.abilities.effects.common;

import mage.Constants.Duration;
import mage.Constants.Outcome;
import mage.Constants.TargetController;
import mage.abilities.Ability;
import mage.abilities.effects.ReplacementEffectImpl;
import mage.filter.FilterPermanent;
import mage.filter.FilterStackObject;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.events.GameEvent.EventType;
import mage.game.permanent.Permanent;
import mage.game.stack.StackObject;

/**
*
* @author BetaSteward_at_googlemail.com
*/
public class CantTargetControlledEffect extends ReplacementEffectImpl<CantTargetControlledEffect> {

  private FilterPermanent filterTarget;
  private FilterStackObject filterSource;

  public CantTargetControlledEffect(FilterPermanent filterTarget, FilterStackObject filterSource, Duration duration) {
    super(duration, Outcome.Benefit);
    this.filterTarget = filterTarget;
    this.filterSource = filterSource;
  }

  public CantTargetControlledEffect(FilterPermanent filterTarget, Duration duration) {
    this(filterTarget, null, duration);
  }

  public CantTargetControlledEffect(final CantTargetControlledEffect effect) {
    super(effect);
    if (effect.filterTarget != null)
      this.filterTarget = effect.filterTarget.copy();
    if (effect.filterSource != null)
      this.filterSource = effect.filterSource.copy();
  }

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

  @Override
  public boolean apply(Game game, Ability source) {
    return true;
  }

  @Override
  public boolean replaceEvent(GameEvent event, Ability source, Game game) {
    return true;
  }

  @Override
  public boolean applies(GameEvent event, Ability source, Game game) {
    if (event.getType() == EventType.TARGET) {
      filterTarget.setTargetController(TargetController.YOU);
      Permanent permanent = game.getPermanent(event.getTargetId());
      if (permanent != null && filterTarget.match(permanent, source.getControllerId(), game)) {
        if (filterSource == null)
          return true;
        else {
          StackObject sourceObject = game.getStack().getStackObject(event.getSourceId());
          if (sourceObject != null && filterSource.match(sourceObject)) {
            return true;
          }
        }
      }
    }
    return false;
  }

  @Override
  public String getText(Ability source) {
    StringBuilder sb = new StringBuilder();
    sb.append(filterTarget.getMessage()).append(" can't be the targets of ");
    if (filterSource != null) {
      sb.append(filterSource.getMessage());
    }
    else {
      sb.append("spells");
    }
    sb.append(" ").append(duration.toString());
    return sb.toString();
  }

}
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