forked from External/mage
4e2a5bd5a9
* simplify LoyaltyAbility constructors * remove unused constructors in ActivatedAbilityImpl * cleanup * remove null rule setting * another unused constructor * fix escape ability reminder text * escape text adjustment * simplify Trigons, remove Costs constructor * rework Villainous Ogre, remove another class and constructor * fix test using wrong text for trigon ability
79 lines
3 KiB
Java
79 lines
3 KiB
Java
package mage.abilities;
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import mage.abilities.costs.Cost;
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import mage.abilities.costs.common.PayLoyaltyCost;
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import mage.abilities.costs.common.PayVariableLoyaltyCost;
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import mage.abilities.effects.Effect;
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import mage.constants.TimingRule;
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import mage.constants.Zone;
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/**
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* @author BetaSteward_at_googlemail.com
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*/
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public class LoyaltyAbility extends ActivatedAbilityImpl {
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public LoyaltyAbility(Effect effect, int loyalty) {
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super(Zone.BATTLEFIELD, effect, new PayLoyaltyCost(loyalty));
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this.timing = TimingRule.SORCERY;
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}
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public LoyaltyAbility(Effect effect) {
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super(Zone.BATTLEFIELD, effect, new PayVariableLoyaltyCost());
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this.timing = TimingRule.SORCERY;
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}
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protected LoyaltyAbility(final LoyaltyAbility ability) {
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super(ability);
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}
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@Override
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public LoyaltyAbility copy() {
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return new LoyaltyAbility(this);
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}
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/**
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* Change loyalty cost by amount value
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*
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* @param amount
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*/
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public void increaseLoyaltyCost(int amount) {
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// loyalty cost modification rules from Carth the Lion
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// If a planeswalker’s loyalty ability normally has a cost of [+1], Carth’s ability makes it cost [+2] instead.
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// A cost of [0] would become [+1], and a cost of [-6] would become [-5].
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// (2021-06-18)
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//
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// If you somehow manage to control two Carths (perhaps because of Spark Double), the cost-changing effect is
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// cumulative. In total, loyalty abilities will cost an additional [+2] to activate.
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// (2021-06-18)
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//
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// The total cost of a planeswalker’s loyalty ability is calculated before any counters are added or removed.
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// If a loyalty ability normally costs [-3] to activate, you do not remove three counters from it and then
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// put one counter on it. You remove two counters at one time when you pay the cost.
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// (2021-06-18)
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//
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// If an effect replaces the number of counters that would be placed on a planeswalker, such as that of
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// Vorinclex, Monstrous Raider, that replacement happens only once, at the time payment is made.
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// (2021-06-18)
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// cost modification support only 1 cost item
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int staticCount = 0;
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for (Cost cost : getCosts()) {
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if (cost instanceof PayLoyaltyCost) {
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// static cost
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PayLoyaltyCost staticCost = (PayLoyaltyCost) cost;
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staticCost.setAmount(staticCost.getAmount() + amount);
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staticCount++;
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} else if (cost instanceof PayVariableLoyaltyCost) {
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// x cost (after x announce: x cost + static cost)
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PayVariableLoyaltyCost xCost = (PayVariableLoyaltyCost) cost;
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xCost.setCostModification(xCost.getCostModification() + amount);
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}
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}
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if (staticCount > 1) {
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throw new IllegalArgumentException(String.format("Loyalty ability must have only 1 static cost, but has %d: %s",
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staticCount, this.getRule()));
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}
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}
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}
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