private String getKey(TriggeredAbility ability, MageObject target) {
String key = ability.getId() + "_";
if (target != null) {
key += target.getId();
}
return key;
}
/**
* @param game
* @param source
* @return
*/
@Override
public boolean isInUseableZone(Game game, MageObject source, GameEvent event) {
if (!this.hasSourceObjectAbility(game, source, event)) {
return false;
}
if (zone.equals(Zone.COMMAND)) {
if (this.getSourceId() == null) { // commander effects
return true;
}
MageObject object = game.getObject(this.getSourceId());
// emblem are always actual
if (object != null && object instanceof Emblem) {
return true;
}
}
UUID parameterSourceId;
// for singleton abilities like Flying we can't rely on abilities' source because it's only once
// in continuous effects
// so will use the sourceId of the object itself that came as a parameter if it is not null
if (this instanceof MageSingleton && source != null) {
parameterSourceId = source.getId();
} else {
parameterSourceId = getSourceId();
}
// check agains shortLKI for effects that move multiple object at the same time (e.g. destroy
// all)
if (game.getShortLivingLKI(getSourceId(), getZone())) {
return true;
}
// check against current state
Zone test = game.getState().getZone(parameterSourceId);
return test != null && zone.match(test);
}
/**
* Adds a by sourceId gained triggered ability
*
* @param ability - the gained ability
* @param sourceId - the source that assigned the ability
* @param attachedTo - the object that gained the ability
*/
public void add(TriggeredAbility ability, UUID sourceId, MageObject attachedTo) {
this.add(ability, attachedTo);
List<UUID> uuidList = new LinkedList<UUID>();
uuidList.add(sourceId);
// if the object that gained the ability moves zone, also then the triggered ability must be
// removed
uuidList.add(attachedTo.getId());
sources.put(getKey(ability, attachedTo), uuidList);
}
@Override
public boolean apply(MageObject input, Game game) {
Spell spell = game.getStack().getSpell(input.getId());
if (spell != null) {
Targets spellTargets = spell.getSpellAbility().getTargets();
int numberOfTargets = 0;
for (Target target : spellTargets) {
numberOfTargets += target.getTargets().size();
}
if (numberOfTargets == targets) {
return true;
}
}
return false;
}