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* Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* 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
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package mage.target;
import java.util.HashSet;
import java.util.Set;
import java.util.UUID;
import mage.MageObject;
import mage.abilities.Ability;
import mage.constants.Zone;
import mage.filter.FilterPermanent;
import mage.game.Game;
import mage.game.permanent.Permanent;
/**
*
* @author BetaSteward_at_googlemail.com
*/
public class TargetPermanent extends TargetObject {
protected FilterPermanent filter;
public TargetPermanent() {
this(1, 1, new FilterPermanent(), false);
}
public TargetPermanent(FilterPermanent filter) {
this(1, 1, filter, false);
}
public TargetPermanent(int numTargets, FilterPermanent filter) {
this(numTargets, numTargets, filter, false);
}
public TargetPermanent(int minNumTargets, int maxNumTargets, FilterPermanent filter, boolean notTarget) {
this.minNumberOfTargets = minNumTargets;
this.maxNumberOfTargets = maxNumTargets;
this.zone = Zone.BATTLEFIELD;
this.filter = filter;
this.targetName = filter.getMessage();
this.notTarget = notTarget;
}
public TargetPermanent(final TargetPermanent target) {
super(target);
this.filter = target.filter.copy();
}
@Override
public boolean canTarget(UUID id, Ability source, Game game) {
return canTarget(source.getControllerId(), id, source, game);
}
@Override
public boolean canTarget(UUID controllerId, UUID id, Ability source, Game game) {
Permanent permanent = game.getPermanent(id);
if (permanent != null) {
if (source != null) {
//1. TODO: check for replacement effects
//2. We need to check both source.getId() and source.getSourceId()
// first for protection from spells or abilities (e.g. protection from colored spells, r1753)
// second for protection from sources (e.g. protection from artifacts + equip ability)
if (!isNotTarget()) {
if (!permanent.canBeTargetedBy(game.getObject(source.getId()), controllerId, game)
|| !permanent.canBeTargetedBy(game.getObject(source.getSourceId()), controllerId, game)) {
return false;
}
}
return filter.match(permanent, source.getSourceId(), controllerId, game);
} else {
return filter.match(permanent, null, controllerId, game);
}
}
return false;
}
public boolean canTarget(UUID controllerId, UUID id, UUID sourceId, Game game, boolean flag) {
Permanent permanent = game.getPermanent(id);
return permanent != null && filter.match(permanent, sourceId, controllerId, game);
}
@Override
public FilterPermanent getFilter() {
return this.filter;
}
/**
* Checks if there are enough {@link Permanent} that can be chosen.
*
* Takes into account notTarget parameter, in case it's true doesn't check
* for protection, shroud etc.
*
* @param sourceId the target event source
* @param sourceControllerId controller of the target event source
* @param game
* @return true if enough valid {@link Permanent} exist
*/
@Override
public boolean canChoose(UUID sourceId, UUID sourceControllerId, Game game) {
int remainingTargets = this.minNumberOfTargets - targets.size();
if (remainingTargets <= 0) {
return true;
}
int count = 0;
MageObject targetSource = game.getObject(sourceId);
for (Permanent permanent : game.getBattlefield().getActivePermanents(filter, sourceControllerId, sourceId, game)) {
if (!targets.containsKey(permanent.getId())) {
if (notTarget || permanent.canBeTargetedBy(targetSource, sourceControllerId, game)) {
count++;
if (count >= remainingTargets) {
return true;
}
}
}
}
return false;
}
/**
* Checks if there are enough {@link Permanent} that can be selected. Should
* not be used for Ability targets since this does not check for protection,
* shroud etc.
*
* @param sourceControllerId - controller of the select event
* @param game
* @return - true if enough valid {@link Permanent} exist
*/
@Override
public boolean canChoose(UUID sourceControllerId, Game game) {
int remainingTargets = this.minNumberOfTargets - targets.size();
if (remainingTargets == 0) {
// if we return true, then AnowonTheRuinSage will hang for AI when no targets in play
// TODO: retest Anowon the Ruin Sage
return true;
}
int count = 0;
for (Permanent permanent : game.getBattlefield().getActivePermanents(filter, sourceControllerId, game)) {
if (!targets.containsKey(permanent.getId())) {
count++;
if (count >= remainingTargets) {
return true;
}
}
}
return false;
}
@Override
public Set<UUID> possibleTargets(UUID sourceId, UUID sourceControllerId, Game game) {
Set<UUID> possibleTargets = new HashSet<>();
MageObject targetSource = game.getObject(sourceId);
for (Permanent permanent : game.getBattlefield().getActivePermanents(filter, sourceControllerId, sourceId, game)) {
if (!targets.containsKey(permanent.getId())) {
if (notTarget || permanent.canBeTargetedBy(targetSource, sourceControllerId, game)) {
possibleTargets.add(permanent.getId());
}
}
}
return possibleTargets;
}
@Override
public Set<UUID> possibleTargets(UUID sourceControllerId, Game game) {
Set<UUID> possibleTargets = new HashSet<>();
for (Permanent permanent : game.getBattlefield().getActivePermanents(filter, sourceControllerId, game)) {
if (!targets.containsKey(permanent.getId())) {
possibleTargets.add(permanent.getId());
}
}
return possibleTargets;
}
@Override
public TargetPermanent copy() {
return new TargetPermanent(this);
}
}