[LCI] Implement Gargantuan Leech

Mage/src/main/java/mage/abilities/dynamicvalue/common/CavesControlledAndInGraveCount.java

@@ -0,0 +1,72 @@
+package mage.abilities.dynamicvalue.common;
+
+import mage.abilities.Ability;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.effects.Effect;
+import mage.abilities.hint.Hint;
+import mage.abilities.hint.ValueHint;
+import mage.constants.SubType;
+import mage.filter.FilterCard;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterControlledPermanent;
+import mage.game.Game;
+import mage.players.Player;
+
+import java.util.Objects;
+import java.util.Optional;
+
+/**
+ * @author TheElk801
+ */
+public enum CavesControlledAndInGraveCount implements DynamicValue {
+    FOR_EACH("1", "Cave you control and each Cave card in your graveyard"),
+    WHERE_X("X", "Caves you control plus the number of Cave cards in your graveyard");
+    private static final FilterPermanent filter1 = new FilterControlledPermanent(SubType.CAVE);
+    private static final FilterCard filter2 = new FilterCard();
+
+    static {
+        filter2.add(SubType.CAVE.getPredicate());
+    }
+
+    private static final Hint hint = new ValueHint("Caves you control and Cave cards in your graveyard", FOR_EACH);
+
+    public static Hint getHint() {
+        return hint;
+    }
+
+    private final String number;
+    private final String message;
+
+    CavesControlledAndInGraveCount(String number, String message) {
+        this.number = number;
+        this.message = message;
+    }
+
+    @Override
+    public int calculate(Game game, Ability sourceAbility, Effect effect) {
+        return game
+                .getBattlefield()
+                .count(filter1, sourceAbility.getControllerId(), sourceAbility, game)
+                + Optional
+                .ofNullable(game.getPlayer(sourceAbility.getControllerId()))
+                .filter(Objects::nonNull)
+                .map(Player::getGraveyard)
+                .map(g -> g.count(filter2, game))
+                .orElse(0);
+    }
+
+    @Override
+    public CavesControlledAndInGraveCount copy() {
+        return this;
+    }
+
+    @Override
+    public String getMessage() {
+        return message;
+    }
+
+    @Override
+    public String toString() {
+        return number;
+    }
+}