@Override
public boolean apply(Layer layer, SubLayer sublayer, Ability source, Game game) {
Player controller = game.getPlayer(source.getControllerId());
if (controller != null) {
controller.getAlternativeSourceCosts().add(alternativeCastingCostAbility);
return true;
}
return false;
}
@Override
public boolean activateAlternateOrAdditionalCosts(
MageObject sourceObject, boolean noMana, Player controller, Game game) {
boolean alternativeCostisUsed = false;
if (sourceObject != null
&& !(sourceObject instanceof Permanent)
&& !(this instanceof FlashbackAbility)) {
Abilities<Ability> abilities = null;
if (sourceObject instanceof Card) {
abilities = ((Card) sourceObject).getAbilities(game);
} else {
sourceObject.getAbilities();
}
if (abilities != null) {
for (Ability ability : abilities) {
// if cast for noMana no Alternative costs are allowed
if (!noMana && ability instanceof AlternativeSourceCosts) {
AlternativeSourceCosts alternativeSpellCosts = (AlternativeSourceCosts) ability;
if (alternativeSpellCosts.isAvailable(this, game)) {
if (alternativeSpellCosts.askToActivateAlternativeCosts(this, game)) {
// only one alternative costs may be activated
alternativeCostisUsed = true;
break;
}
}
}
if (ability instanceof OptionalAdditionalSourceCosts) {
((OptionalAdditionalSourceCosts) ability).addOptionalAdditionalCosts(this, game);
}
}
}
// controller specific alternate spell costs
if (!noMana && !alternativeCostisUsed) {
if (this.getAbilityType().equals(AbilityType.SPELL)
// 117.9a Only one alternative cost can be applied to any one spell as it’s being cast.
// So an alternate spell ability can't be paid with Omniscience
&& !((SpellAbility) this)
.getSpellAbilityType()
.equals(SpellAbilityType.BASE_ALTERNATE)) {
for (AlternativeSourceCosts alternativeSourceCosts :
controller.getAlternativeSourceCosts()) {
if (alternativeSourceCosts.isAvailable(this, game)) {
if (alternativeSourceCosts.askToActivateAlternativeCosts(this, game)) {
// only one alternative costs may be activated
alternativeCostisUsed = true;
break;
}
}
}
}
}
}
return alternativeCostisUsed;
}