Package mage.target.common

Source Code of mage.target.common.TargetDefender

/*
* Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
*    1. Redistributions of source code must retain the above copyright notice, this list of
*       conditions and the following disclaimer.
*
*    2. Redistributions in binary form must reproduce the above copyright notice, this list
*       of conditions and the following disclaimer in the documentation and/or other materials
*       provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* The views and conclusions contained in the software and documentation are those of the
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* or implied, of BetaSteward_at_googlemail.com.
*/

package mage.target.common;

import java.util.HashSet;
import java.util.Set;
import java.util.UUID;
import mage.Constants.Zone;
import mage.MageObject;
import mage.abilities.Ability;
import mage.filter.Filter;
import mage.filter.common.FilterPlaneswalkerOrPlayer;
import mage.filter.common.FilterPlaneswalkerPermanent;
import mage.game.Game;
import mage.game.permanent.Permanent;
import mage.players.Player;
import mage.target.TargetImpl;

/**
*
* @author BetaSteward_at_googlemail.com
*/
public class TargetDefender extends TargetImpl<TargetDefender> {

  protected FilterPlaneswalkerOrPlayer filter;
  protected UUID attackerId;

  public TargetDefender(Set<UUID> defenders, UUID attackerId) {
    this(1, 1, defenders, attackerId);
  }

  public TargetDefender(int numTargets, Set<UUID> defenders, UUID attackerId) {
    this(numTargets, numTargets, defenders, attackerId);
  }

  public TargetDefender(int minNumTargets, int maxNumTargets, Set<UUID> defenders, UUID attackerId) {
    this.minNumberOfTargets = minNumTargets;
    this.maxNumberOfTargets = maxNumTargets;
    this.zone = Zone.ALL;
    this.filter = new FilterPlaneswalkerOrPlayer(defenders);
    this.targetName = filter.getMessage();
    this.attackerId = attackerId;
  }

  public TargetDefender(final TargetDefender target) {
    super(target);
    this.filter = target.filter.copy();
    this.attackerId = target.attackerId;
  }

  @Override
  public Filter getFilter() {
    return this.filter;
  }

  @Override
  public boolean canChoose(UUID sourceId, UUID sourceControllerId, Game game) {
    int count = 0;
    MageObject targetSource = game.getObject(sourceId);
    for (UUID playerId: game.getPlayer(sourceControllerId).getInRange()) {
      Player player = game.getPlayer(playerId);
      if (player != null && player.canBeTargetedBy(targetSource) && filter.match(player)) {
        count++;
        if (count >= this.minNumberOfTargets)
          return true;
      }
    }
    for (Permanent permanent: game.getBattlefield().getActivePermanents(new FilterPlaneswalkerPermanent(), sourceControllerId, game)) {
      if (permanent.canBeTargetedBy(targetSource) && filter.match(permanent)) {
        count++;
        if (count >= this.minNumberOfTargets)
          return true;
      }
    }
    return false;
  }

  @Override
  public Set<UUID> possibleTargets(UUID sourceId, UUID sourceControllerId, Game game) {
    Set<UUID> possibleTargets = new HashSet<UUID>();
    MageObject targetSource = game.getObject(sourceId);
    for (UUID playerId: game.getPlayer(sourceControllerId).getInRange()) {
      Player player = game.getPlayer(playerId);
      if (player != null && player.canBeTargetedBy(targetSource) && filter.match(player)) {
        possibleTargets.add(playerId);
      }
    }
    for (Permanent permanent: game.getBattlefield().getActivePermanents(new FilterPlaneswalkerPermanent(), sourceControllerId, game)) {
      if (permanent.canBeTargetedBy(targetSource) && filter.match(permanent)) {
        possibleTargets.add(permanent.getId());
      }
    }
    return possibleTargets;
  }

  @Override
  public String getTargetedName(Game game) {
    StringBuilder sb = new StringBuilder();
    for (UUID targetId: getTargets()) {
      Permanent permanent = game.getPermanent(targetId);
      if (permanent != null) {
        sb.append(permanent.getName()).append(" ");
      }
      else {
        Player player = game.getPlayer(targetId);
        sb.append(player.getName()).append(" ");
      }
    }
    return sb.toString();
  }

  @Override
  public boolean canTarget(UUID id, Game game) {
    Player player = game.getPlayer(id);
    if (player != null) {
      return filter.match(player);
    }
    Permanent permanent = game.getPermanent(id);
    if (permanent != null) {
      return filter.match(permanent);
    }
    return false;
  }

  @Override
  public boolean canTarget(UUID id, Ability source, Game game) {
    Player player = game.getPlayer(id);
    MageObject targetSource = game.getObject(attackerId);
    if (player != null) {
      return player.canBeTargetedBy(targetSource) && filter.match(player);
    }
    Permanent permanent = game.getPermanent(id);
    if (permanent != null) {
      return permanent.canBeTargetedBy(targetSource) && filter.match(permanent);
    }
    return false;
  }

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


}
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