Examples with Targets mage.target.Targets used on opensource projects

Example 6 with Targets

use of mage.target.Targets in project mage by magefree.

the class ChangeATargetOfTargetSpellAbilityToSourceEffect method apply.

@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())) {
                // Target was already the same source, so no change / target event to create
                return true;
            }
            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;
}