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;
* Abstract AdventureCard to SingleFaceSplitCard
* Fix AdventureCardSpellImpl
* Finish converting adventure card and adventure spell
* Update Brightcap Badger
change finalize call to adventure card
* Update Darksteel Monolith
being cast from hand condition referencing AdventureCardSpell
* Update Tlincalli Hunter
exiled creature condition referencing AdventureCardSpell
* Update Twice Upon a Time
finalizeAdventure called from Adventure card
* Finish abstracting Adventure
missed some more references to adventure cards
* Implement Omen cards
* Implement Dirgur Island Dragon
* Missed some adventureSpellName references
* OmenCardSpell had wrong comma symbol
* Add tests for Omen Cards
* Rename two part card components
change from SingleFaceSplitCard to CardWithSpellOption
* Update comments and variable name
* Remove all combat ordering code
* Use MultiAmount division for damage
* Remove damage selection division skipping in tests
* Fix Banding, Multi-block, add tests
* Fix test
* Fix random iteration order, fix new tests
* Add more info to choose dialog, make MultiAmountType class instead of enum
* Don't prompt for trample damage assignment if none possible
* Mark "Assign default damage" on tests, minor other test improvements
* [DSK] Implement Hauntwoods Shrieker.
* Change RevealedView and PlayerImpl.revealCards to reveal face-down permanents.
* Fix#13273 using the new RevealCards capability.
* now computer will use simplified 1 vs 1 combat damage simulations to choose better blockers (due better game score after combat);
* it's not a full combat simulation, but support many things like non-stack abilities, damage replacement effects and SBA -- much better than older PT compare (related to #13290);
* now AI correctly use a blockers with deathtouth, indestructible, first/double strike and other abilities;
* chump blocks also supported (chump logic implemented before in 92b7ed8efc, related to #4485);
* fixed game freezes for no-possible block configurations like Menace (#13290);
* fixed computer cheating to ignore block requirements like Menace (now AI will choose all required blockers instead 1);
* improved computer logic for blockers selection (try to sacrifice a creature instead game loose, simple use cases only);
* added freeze protection for bad or unsupported attacker-block configuration;
* refactor: deleted outdated AI code;
- game: added support when a human is take control over a computer player (related to #12878);
- game: fixed game freezes while controlling player leaves/disconnect on active priority/choose of another player;
- game: added support for human games (cards like Emrakul, the Promised End, #12878);
- game: added support of 720.1. to reset control in the turn beginning instead cleanup step (related to #12115);
- game: added game logs for priorities in cleanup step;
- game: fixed game freezes and wrong skip settings usages (related to #12878);
- gui: added playable and choose-able marks for controlling player's cards and permanents, including switched hands;
- gui: added controlling player name in all choice dialogs;
- info: control of computer players is it not yet supported;
