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Reworked cost adjuster logic for better support of X and cost modification effects:

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Improves:
* refactor: split CostAdjuster logic in multiple parts - prepare X, prepare cost, increase cost, reduce cost;
* refactor: improved VariableManaCost to support min/max values, playable and AI calculations, test framework;
* refactor: improved EarlyTargetCost to support mana costs too (related to #13023);
* refactor: migrated some cards with CostAdjuster and X to EarlyTargetCost (Knollspine Invocation, etc - related to #13023);
* refactor: added shared code for "As an additional cost to cast this spell, discard X creature cards";
* refactor: added shared code for "X is the converted mana cost of the exiled card";
* tests: added dozens tests with cost adjusters;

Bug fixes:
* game: fixed that some cards with CostAdjuster ignore min/max limits for X (allow to choose any X, example: Scorched Earth, Open The Way);
* game: fixed that some cards ask to announce already defined X values (example: Bargaining Table);
* game: fixed that some cards with CostAdjuster do not support combo with other cost modification effects;
* game, gui: fixed missing game logs about predefined X values;
* game, gui: fixed wrong X icon for predefined X values;

Test framework:
* test framework: added X min/max check for wrong values;
* test framework: added X min/max info in miss X value announce;
* test framework: added check to find duplicated effect bugs (see assertNoDuplicatedEffects);

Cards:
* Open The Way - fixed that it allow to choose any X without limits (close #12810);
* Unbound Flourishing - improved combo support for activated abilities with predefined X mana costs like Bargaining Table;
This commit is contained in:
Oleg Agafonov 2025-04-08 22:39:10 +04:00
parent 13a832ae00
commit bae3089abb
100 changed files with 1519 additions and 449 deletions
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17
Mage/src/main/java/mage/abilities/costs/EarlyTargetCost.java
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@ -6,20 +6,11 @@ import mage.players.Player;
/**
* @author Grath
* Costs which extend this class need to have targets chosen, and those targets must be chosen during 601.2b step.
* <p>
* Support 601.2b rules for ealry target choice before X announce and other actions
*/
public abstract class EarlyTargetCost extends CostImpl {
public interface EarlyTargetCost {
protected EarlyTargetCost() {
super();
}
void chooseTarget(Game game, Ability source, Player controller);
protected EarlyTargetCost(final EarlyTargetCost cost) {
super(cost);
}
@Override
public abstract EarlyTargetCost copy();
public abstract void chooseTarget(Game game, Ability source, Player controller);
}