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Implement Memory Crystal (EXO)

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This commit is contained in:
spjspj 2017-07-12 12:16:15 +10:00
parent e9a43758a8
commit 4a6b2e8db3
2 changed files with 50 additions and 2 deletions
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33
Mage/src/main/java/mage/abilities/keyword/BuybackAbility.java
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@ -28,6 +28,7 @@
package mage.abilities.keyword;
import java.util.Iterator;
import java.util.List;
import mage.abilities.Ability;
import mage.abilities.SpellAbility;
import mage.abilities.StaticAbility;
@ -36,6 +37,8 @@ import mage.abilities.costs.Costs;
import mage.abilities.costs.OptionalAdditionalCost;
import mage.abilities.costs.OptionalAdditionalCostImpl;
import mage.abilities.costs.OptionalAdditionalSourceCosts;
import mage.abilities.costs.mana.GenericManaCost;
import mage.abilities.costs.mana.ManaCost;
import mage.abilities.costs.mana.ManaCostsImpl;
import mage.abilities.effects.ReplacementEffectImpl;
import mage.cards.Card;
@ -66,6 +69,7 @@ public class BuybackAbility extends StaticAbility implements OptionalAdditionalS
private static final String reminderTextCost = "You may {cost} in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.";
private static final String reminderTextMana = "You may pay an additional {cost} as you cast this spell. If you do, put this card into your hand as it resolves.";
protected OptionalAdditionalCost buybackCost;
private int amountToReduceBy = 0;
public BuybackAbility(String manaString) {
super(Zone.STACK, new BuybackEffect());
@ -94,6 +98,33 @@ public class BuybackAbility extends StaticAbility implements OptionalAdditionalS
if (buybackCost != null) {
((Costs) buybackCost).add(cost);
}
}
public void resetReduceCost() {
amountToReduceBy = 0;
}
// Called by Memory Crystal to reduce mana costs.
public int reduceCost(int genericManaToReduce) {
int amountToReduce = genericManaToReduce;
if (buybackCost != null) {
for (Object cost : ((Costs) buybackCost)) {
if (cost instanceof ManaCostsImpl) {
for (Object c : (ManaCostsImpl) cost) {
if (c instanceof GenericManaCost) {
int newCostCMC = ((GenericManaCost) c).convertedManaCost() - amountToReduceBy - genericManaToReduce;
if (newCostCMC > 0) {
amountToReduceBy += genericManaToReduce;
} else {
amountToReduce = ((GenericManaCost) c).convertedManaCost() - amountToReduceBy;
amountToReduceBy = ((GenericManaCost) c).convertedManaCost();
}
}
}
}
}
}
return amountToReduce;
}
@Override
@ -101,12 +132,14 @@ public class BuybackAbility extends StaticAbility implements OptionalAdditionalS
if (buybackCost != null) {
return buybackCost.isActivated();
}
resetReduceCost();
return false;
}
public void resetBuyback() {
if (buybackCost != null) {
buybackCost.reset();
resetReduceCost();
}
}