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package mage.abilities.effects.common.cost;
import mage.abilities.Ability;
import mage.abilities.SpellAbility;
import mage.abilities.costs.mana.ManaCost;
import mage.abilities.costs.mana.ManaCosts;
import mage.cards.Card;
import mage.constants.CostModificationType;
import mage.constants.Duration;
import mage.constants.Outcome;
import mage.filter.FilterCard;
import mage.game.Game;
import mage.game.stack.Spell;
import mage.util.CardUtil;
/**
*
* @author North
*/
public class SpellsCostReductionControllerEffect extends CostModificationEffectImpl {
private final FilterCard filter;
private final int amount;
private ManaCosts<ManaCost> manaCostsToReduce = null;
public SpellsCostReductionControllerEffect(FilterCard filter, ManaCosts<ManaCost> manaCostsToReduce) {
super(Duration.WhileOnBattlefield, Outcome.Benefit, CostModificationType.REDUCE_COST);
this.filter = filter;
this.amount = 0;
this.manaCostsToReduce = manaCostsToReduce;
StringBuilder sb = new StringBuilder();
sb.append(filter.getMessage()).append(" you cast cost ");
for (String manaSymbol :manaCostsToReduce.getSymbols()) {
sb.append(manaSymbol);
}
sb.append(" less to cast. This effect reduces only the amount of colored mana you pay.");
this.staticText = sb.toString();
}
public SpellsCostReductionControllerEffect(FilterCard filter, int amount) {
super(Duration.WhileOnBattlefield, Outcome.Benefit, CostModificationType.REDUCE_COST);
this.filter = filter;
this.amount = amount;
StringBuilder sb = new StringBuilder();
sb.append(filter.getMessage()).append(" you cast cost {").append(amount).append("} less to cast");
this.staticText = sb.toString();
}
protected SpellsCostReductionControllerEffect(SpellsCostReductionControllerEffect effect) {
super(effect);
this.filter = effect.filter;
this.amount = effect.amount;
this.manaCostsToReduce = effect.manaCostsToReduce;
}
@Override
public boolean apply(Game game, Ability source, Ability abilityToModify) {
if (manaCostsToReduce != null){
CardUtil.adjustCost((SpellAbility) abilityToModify, manaCostsToReduce, false);
} else {
CardUtil.reduceCost(abilityToModify, this.amount);
}
return true;
}
@Override
public boolean applies(Ability abilityToModify, Ability source, Game game) {
if (abilityToModify instanceof SpellAbility) {
if (abilityToModify.getControllerId().equals(source.getControllerId())) {
Spell spell = (Spell) game.getStack().getStackObject(abilityToModify.getId());
if (spell != null) {
return this.filter.match(spell, game);
} else {
// used at least for flashback ability because Flashback ability doesn't use stack or for getPlayables where spell is not cast yet
Card sourceCard = game.getCard(abilityToModify.getSourceId());
return sourceCard != null && this.filter.match(sourceCard, game);
}
}
}
return false;
}
@Override
public SpellsCostReductionControllerEffect copy() {
return new SpellsCostReductionControllerEffect(this);
}
}