add AI forced playing Living End decks

forge-ai/src/main/java/forge/ai/AiController.java

@@ -1594,7 +1594,8 @@ public class AiController {
             String assertex = ComparatorUtil.verifyTransitivity(ComputerUtilAbility.saEvaluator, all);
             Sentry.captureMessage(ex.getMessage() + "\nAssertionError [verifyTransitivity]: " + assertex);
         }
-
+        //avoid ComputerUtil.aiLifeInDanger in loops as it slows down a lot.. call this outside loops will generally be fast...
+        boolean isLifeInDanger = player.isLivingEnd() && ComputerUtil.aiLifeInDanger(player, true, 0);
         for (final SpellAbility sa : ComputerUtilAbility.getOriginalAndAltCostAbilities(all, player)) {
             // Don't add Counterspells to the "normal" playcard lookups
             if (skipCounter && sa.getApi() == ApiType.Counter) {
@@ -1609,6 +1610,29 @@ public class AiController {
                     continue;
                 }
             }
+            //living end AI decks
+            AiPlayDecision aiPlayDecision = AiPlayDecision.CantPlaySa;
+            if (player.isLivingEnd()) {
+                if (CardLists.filter(player.getZone(ZoneType.Library).getCards(), c-> "Living End".equalsIgnoreCase(c.getName())).size() < 1) {
+                    player.setHasLivingEnd(false); // stop forced playing since we don't have any choice
+                    continue;
+                }
+                if (sa.isCycling() && sa.canCastTiming(player)) {
+                    if (ComputerUtilCost.canPayCost(sa, player, sa.isTrigger()))
+                        aiPlayDecision = AiPlayDecision.WillPlay;
+                } else if (sa.getHostCard().hasKeyword(Keyword.CASCADE)) {
+                    if (isLifeInDanger) { //needs more tune up for certain conditions
+                        aiPlayDecision = player.getCreaturesInPlay().size() >= 4 ? AiPlayDecision.CantPlaySa : AiPlayDecision.WillPlay;
+                    } else if (CardLists.filter(player.getZone(ZoneType.Graveyard).getCards(), CardPredicates.Presets.CREATURES).size() > 4) {
+                        if (player.getCreaturesInPlay().size() >= 4) // it's good minimum
+                            continue;
+                        else if (!sa.getHostCard().isPermanent() && sa.canCastTiming(player) && ComputerUtilCost.canPayCost(sa, player, sa.isTrigger()))
+                            aiPlayDecision = AiPlayDecision.WillPlay;// needs tuneup for bad matchups like reanimator and other things to check on opponent graveyard
+                    } else {
+                        continue;
+                    }
+                }
+            }
 
             sa.setActivatingPlayer(player, true);
             SpellAbility root = sa.getRootAbility();
@@ -1617,8 +1641,8 @@ public class AiController {
                 sa.setLastStateBattlefield(game.getLastStateBattlefield());
                 sa.setLastStateGraveyard(game.getLastStateGraveyard());
             }
-
-            AiPlayDecision opinion = canPlayAndPayFor(sa);
+            //override decision for living end player
+            AiPlayDecision opinion = player.isLivingEnd() && AiPlayDecision.WillPlay.equals(aiPlayDecision) ? aiPlayDecision : canPlayAndPayFor(sa);
 
             // reset LastStateBattlefield
             sa.clearLastState();

forge-ai/src/main/java/forge/ai/ComputerUtil.java

@@ -2146,6 +2146,11 @@ public class ComputerUtil {
         final int handSize = handList.size();
         final int landSize = lands.size();
         int score = handList.size();
+        if (ai.isLivingEnd()) {
+            final CardCollectionView livingEnd = CardLists.filter(handList, c -> "Living End".equalsIgnoreCase(c.getName()));
+            if (livingEnd.size() > 0)
+                score = -(livingEnd.size() * 10);
+        }
 
         if (handSize/2 == landSize || handSize/2 == landSize +1) {
             score += 10;

forge-game/src/main/java/forge/game/Game.java

@@ -265,6 +265,7 @@ public class Game {
         for (RegisteredPlayer psc : players0) {
             IGameEntitiesFactory factory = (IGameEntitiesFactory)psc.getPlayer();
             Player pl = factory.createIngamePlayer(this, plId++);
+            pl.setHasLivingEnd(psc.getDeck().getMain().countByName("Living End", true) > 0);
             allPlayers.add(pl);
             ingamePlayers.add(pl);
 

forge-game/src/main/java/forge/game/player/Player.java

@@ -168,6 +168,7 @@ public class Player extends GameEntity implements Comparable<Player> {
     private int maxHandSize = 7;
     private int startingHandSize = 7;
     private boolean unlimitedHandSize = false;
+    private boolean hasLivingEnd = false;
     private Card lastDrawnCard;
     private Card ringBearer, theRing;
     private String namedCard = "";
@@ -455,6 +456,13 @@ public class Player extends GameEntity implements Comparable<Player> {
         return isOpponentOf(otherPlayer);
     }
 
+    public boolean isLivingEnd() {
+        return hasLivingEnd;
+    }
+    public void setHasLivingEnd(boolean value) {
+        hasLivingEnd = value;
+    }
+
     public final boolean setLife(final int newLife, final SpellAbility sa) {
         boolean change = false;
         // rule 119.5