/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package mage.abilities.effects.common;
import java.util.UUID;
import mage.MageObject;
import mage.abilities.Ability;
import mage.abilities.Mode;
import mage.abilities.effects.OneShotEffect;
import mage.constants.Outcome;
import mage.game.Game;
import mage.game.stack.Spell;
import mage.game.stack.StackAbility;
import mage.game.stack.StackObject;
import mage.players.Player;
import mage.target.Target;
import mage.target.Targets;
/**
*
* @author LevelX2
*/
public class ChangeATargetOfTargetSpellAbilityToSourceEffect extends OneShotEffect {
public ChangeATargetOfTargetSpellAbilityToSourceEffect() {
super(Outcome.Neutral);
staticText = "Change a target of target spell or ability to {this}";
}
public ChangeATargetOfTargetSpellAbilityToSourceEffect(final ChangeATargetOfTargetSpellAbilityToSourceEffect effect) {
super(effect);
}
@Override
public boolean apply(Game game, Ability source) {
StackObject stackObject = game.getStack().getStackObject(source.getFirstTarget());
MageObject sourceObject = game.getObject(source.getSourceId());
if (stackObject != null && sourceObject != null) {
Targets targets = new Targets();
Ability sourceAbility;
String oldTargetName = null;
if (stackObject instanceof Spell) {
Spell spell = (Spell) stackObject;
sourceAbility = spell.getSpellAbility();
} else if (stackObject instanceof StackAbility) {
StackAbility stackAbility = (StackAbility) stackObject;
sourceAbility = stackAbility;
} else {
return false;
}
for (UUID modeId : sourceAbility.getModes().getSelectedModes()) {
Mode mode = sourceAbility.getModes().get(modeId);
targets.addAll(mode.getTargets());
}
boolean twoTimesTarget = false;
if (targets.size() == 1 && targets.get(0).getTargets().size() == 1) {
Target target = targets.get(0);
if (target.getFirstTarget().equals(source.getSourceId())) {
return true; // Target was already the same source, so no change / target event to create
}
if (target.canTarget(stackObject.getControllerId(), source.getSourceId(), sourceAbility, game)) {
oldTargetName = getTargetName(targets.getFirstTarget(), game);
target.clearChosen();
// The source is still the spell on the stack
target.addTarget(source.getSourceId(), stackObject.getStackAbility(), game);
}
} else {
Player controller = game.getPlayer(source.getControllerId());
boolean validTargets = false;
do {
for (Target target : targets) {
for (UUID targetId : target.getTargets()) {
String name = getTargetName(targets.getFirstTarget(), game);
if (!targetId.equals(source.getSourceId()) && target.getTargets().contains(source.getSourceId())) {
// you can't change this target to source because the source is already another targetId of that target.
twoTimesTarget = true;
continue;
}
if (target.canTarget(stackObject.getControllerId(), source.getSourceId(), sourceAbility, game)) {
validTargets = true;
if (name != null
&& controller.chooseUse(Outcome.Neutral, "Change target from " + name + " to " + sourceObject.getLogName() + '?', source, game)) {
oldTargetName = getTargetName(targetId, game);
target.remove(targetId);
// The source is still the spell on the stack
target.addTarget(source.getSourceId(), stackObject.getStackAbility(), game);
break;
}
}
}
if (oldTargetName != null) {
break;
}
}
if (oldTargetName == null) {
game.informPlayer(controller, "You have to select at least one target to change to " + sourceObject.getIdName() + '!');
}
} while (validTargets && oldTargetName == null);
}
if (oldTargetName != null) {
game.informPlayers(sourceObject.getLogName() + ": Changed target of " + stackObject.getLogName() + " from " + oldTargetName + " to " + sourceObject.getLogName());
} else if (twoTimesTarget) {
game.informPlayers(sourceObject.getLogName() + ": Target not changed to " + sourceObject.getLogName() + " because its not valid to target it twice for " + stackObject.getLogName());
} else {
game.informPlayers(sourceObject.getLogName() + ": Target not changed to " + sourceObject.getLogName() + " because its no valid target for " + stackObject.getLogName());
}
return true;
}
return false;
}
@Override
public ChangeATargetOfTargetSpellAbilityToSourceEffect copy() {
return new ChangeATargetOfTargetSpellAbilityToSourceEffect(this);
}
private String getTargetName(UUID objectId, Game game) {
MageObject object = game.getObject(objectId);
if (object != null) {
return object.getLogName();
}
Player player = game.getPlayer(objectId);
if (player != null) {
return player.getLogName();
}
return null;
}
}