Battlefield Thaumaturge - fixed that it doesn't allow to cast spells without full available mana (#6698);

Mage.Sets/src/mage/cards/b/BattlefieldThaumaturge.java

@@ -1,17 +1,15 @@
-
 package mage.cards.b;
 
-import java.util.HashSet;
-import java.util.Set;
-import java.util.UUID;
 import mage.MageInt;
 import mage.abilities.Ability;
+import mage.abilities.Mode;
 import mage.abilities.SpellAbility;
 import mage.abilities.common.SimpleStaticAbility;
 import mage.abilities.effects.common.continuous.GainAbilitySourceEffect;
 import mage.abilities.effects.common.cost.CostModificationEffectImpl;
 import mage.abilities.keyword.HeroicAbility;
 import mage.abilities.keyword.HexproofAbility;
+import mage.cards.Card;
 import mage.cards.CardImpl;
 import mage.cards.CardSetInfo;
 import mage.constants.*;
@@ -22,8 +20,11 @@ import mage.game.stack.Spell;
 import mage.target.Target;
 import mage.util.CardUtil;
 
+import java.util.HashSet;
+import java.util.Set;
+import java.util.UUID;
+
 /**
- *
  * @author LevelX2
  */
 public final class BattlefieldThaumaturge extends CardImpl {
@@ -37,6 +38,7 @@ public final class BattlefieldThaumaturge extends CardImpl {
 
         // Each instant and sorcery spell you cast costs 1 less to cast for each creature it targets.
         this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new BattlefieldThaumaturgeSpellsCostReductionEffect()));
+
         // Heroic - Whenever you cast a spell that targets Battlefield Thaumaturge, Battlefield Thaumaturge gains hexproof until end of turn.
         this.addAbility(new HeroicAbility(new GainAbilitySourceEffect(HexproofAbility.getInstance(), Duration.EndOfTurn)));
     }
@@ -64,8 +66,17 @@ class BattlefieldThaumaturgeSpellsCostReductionEffect extends CostModificationEf
 
     @Override
     public boolean apply(Game game, Ability source, Ability abilityToModify) {
+        int reduceAmount = 0;
+        if (game.inCheckPlayableState()) {
+            // checking state (search max possible targets)
+            reduceAmount = getMaxPossibleTargetCreatures(abilityToModify, game);
+        } else {
+            // real cast check
             Set<UUID> creaturesTargeted = new HashSet<>();
-        for (Target target : abilityToModify.getTargets()) {
+            for (Target target : abilityToModify.getAllSelectedTargets()) {
+                if (target.isNotTarget()) {
+                    continue;
+                }
                 for (UUID uuid : target.getTargets()) {
                     Permanent permanent = game.getPermanent(uuid);
                     if (permanent != null && permanent.isCreature()) {
@@ -73,16 +84,44 @@ class BattlefieldThaumaturgeSpellsCostReductionEffect extends CostModificationEf
                     }
                 }
             }
-        CardUtil.reduceCost(abilityToModify, creaturesTargeted.size());
+            reduceAmount = creaturesTargeted.size();
+        }
+        CardUtil.reduceCost(abilityToModify, reduceAmount);
         return true;
     }
 
+
+    private int getMaxPossibleTargetCreatures(Ability ability, Game game) {
+        // checks only one mode, so it can be wrong in rare use cases with multi-modes (example: mode one gives +2 and mode two gives another +1 -- total +3)
+        int maxAmount = 0;
+        for (Mode mode : ability.getModes().values()) {
+            for (Target target : mode.getTargets()) {
+                if (target.isNotTarget()) {
+                    continue;
+                }
+                Set<UUID> possibleList = target.possibleTargets(ability.getSourceId(), ability.getControllerId(), game);
+                possibleList.removeIf(id -> {
+                    Permanent permanent = game.getPermanent(id);
+                    return permanent == null || !permanent.isCreature();
+                });
+                int possibleAmount = Math.min(possibleList.size(), target.getMaxNumberOfTargets());
+                maxAmount = Math.max(maxAmount, possibleAmount);
+            }
+        }
+        return maxAmount;
+    }
+
     @Override
     public boolean applies(Ability abilityToModify, Ability source, Game game) {
         if ((abilityToModify instanceof SpellAbility)
                 && abilityToModify.isControlledBy(source.getControllerId())) {
             Spell spell = (Spell) game.getStack().getStackObject(abilityToModify.getId());
-            return spell != null && StaticFilters.FILTER_SPELL_INSTANT_OR_SORCERY.match(spell, game);
+            if (spell != null) {
+                return spell != null && StaticFilters.FILTER_CARD_INSTANT_OR_SORCERY.match(spell, game);
+            } else {
+                Card sourceCard = game.getCard(abilityToModify.getSourceId());
+                return sourceCard != null && StaticFilters.FILTER_CARD_INSTANT_OR_SORCERY.match(sourceCard, game);
+            }
         }
         return false;
     }

Mage.Tests/src/test/java/org/mage/test/cards/abilities/keywords/SupportTest.java

@@ -1,16 +1,14 @@
-
 package org.mage.test.cards.abilities.keywords;
 
 import mage.constants.PhaseStep;
 import mage.constants.Zone;
 import org.junit.Test;
-import org.mage.test.serverside.base.CardTestPlayerBase;
+import org.mage.test.serverside.base.CardTestPlayerBaseWithAIHelps;
 
 /**
- *
  * @author LevelX2
  */
-public class SupportTest extends CardTestPlayerBase {
+public class SupportTest extends CardTestPlayerBaseWithAIHelps {
 
     /**
      * Support Ability can target its source. Its cannot really.
@@ -18,22 +16,26 @@ public class SupportTest extends CardTestPlayerBase {
     @Test
     public void testCreatureSupport() {
         addCard(Zone.BATTLEFIELD, playerA, "Forest", 7);
-        // When Gladehart Cavalry enters the battlefield, support 6.
+        // When Gladehart Cavalry enters the battlefield, support 6. <i>(Put a +1/+1 counter on each of up to six other target creatures.)</i>
         // Whenever a creature you control with a +1/+1 counter on it dies, you gain 2 life.
         addCard(Zone.HAND, playerA, "Gladehart Cavalry"); // {5}{G}{G} 6/6
 
-        addCard(Zone.BATTLEFIELD, playerA, "Silvercoat Lion");
+        addCard(Zone.BATTLEFIELD, playerA, "Silvercoat Lion"); // 2/2
-        addCard(Zone.BATTLEFIELD, playerA, "Pillarfield Ox");
+        addCard(Zone.BATTLEFIELD, playerA, "Pillarfield Ox"); // 2/4
 
-        castSpell(1, PhaseStep.PRECOMBAT_MAIN, playerA, "Gladehart Cavalry");
+        // test framework do not support possible target checks, so allow AI to cast and choose maximum targets
-        addTarget(playerA, "Silvercoat Lion^Pillarfield Ox^Gladehart Cavalry");// Gladehart Cavalry should not be allowed
+        aiPlayPriority(1, PhaseStep.PRECOMBAT_MAIN, playerA);
+        //castSpell(1, PhaseStep.PRECOMBAT_MAIN, playerA, "Gladehart Cavalry");
+        //addTarget(playerA, "Silvercoat Lion^Pillarfield Ox^Gladehart Cavalry");// Gladehart Cavalry should not be allowed
 
+        setStrictChooseMode(true);
         setStopAt(1, PhaseStep.BEGIN_COMBAT);
         execute();
+        assertAllCommandsUsed();
 
-        assertPowerToughness(playerA, "Silvercoat Lion", 3, 3);
+        assertPowerToughness(playerA, "Silvercoat Lion", 2 + 1, 2 + 1);
-        assertPowerToughness(playerA, "Pillarfield Ox", 3, 5);
+        assertPowerToughness(playerA, "Pillarfield Ox", 2 + 1, 4 + 1);
-        assertPowerToughness(playerA, "Gladehart Cavalry", 6, 6);
+        assertPowerToughness(playerA, "Gladehart Cavalry", 6, 6); // no counters
     }
 
 }

Mage.Tests/src/test/java/org/mage/test/cards/cost/modification/CostReduceForEachTest.java

@@ -138,4 +138,48 @@ public class CostReduceForEachTest extends CardTestPlayerBaseWithAIHelps {
         assertPermanentCount(playerA, "Torgaar, Famine Incarnate", 1);
         assertLife(playerB, 20 / 2);
     }
+
+    @Test
+    public void test_AshnodsAltar_SacrificeCost() {
+        // Sacrifice a creature: Add {C}{C}.
+        addCard(Zone.BATTLEFIELD, playerA, "Ashnod's Altar", 1);
+        //
+        addCard(Zone.HAND, playerA, "Alloy Myr", 1); // {3}
+        addCard(Zone.BATTLEFIELD, playerA, "Swamp", 3 - 2);
+        addCard(Zone.BATTLEFIELD, playerA, "Balduvian Bears", 1); // give 2 mana on sacrifice
+
+        checkPlayableAbility("must play", 1, PhaseStep.PRECOMBAT_MAIN, playerA, "Cast Alloy Myr", true);
+        castSpell(1, PhaseStep.PRECOMBAT_MAIN, playerA, "Alloy Myr");
+        setChoice(playerA, "Balduvian Bears");
+
+        setStrictChooseMode(true);
+        setStopAt(1, PhaseStep.END_TURN);
+        execute();
+        assertAllCommandsUsed();
+
+        assertPermanentCount(playerA, "Alloy Myr", 1);
+    }
+
+    @Test
+    public void test_BattlefieldThaumaturge_TargetCostReduce() {
+        // Each instant and sorcery spell you cast costs {1} less to cast for each creature it targets.
+        addCard(Zone.BATTLEFIELD, playerA, "Battlefield Thaumaturge", 1);
+        //
+        // {3}{R}{R} sorcery
+        // Shower of Coals deals 2 damage to each of up to three target creatures and/or players.
+        addCard(Zone.HAND, playerA, "Shower of Coals", 1);
+        addCard(Zone.BATTLEFIELD, playerA, "Mountain", 5 - 3);
+        addCard(Zone.BATTLEFIELD, playerA, "Balduvian Bears@bear", 3); // add 3 cost reduce on target
+
+        checkPlayableAbility("must play", 1, PhaseStep.PRECOMBAT_MAIN, playerA, "Cast Shower of Coals", true);
+        castSpell(1, PhaseStep.PRECOMBAT_MAIN, playerA, "Shower of Coals");
+        addTarget(playerA, "@bear.1^@bear.2^@bear.3");
+
+        setStrictChooseMode(true);
+        setStopAt(1, PhaseStep.END_TURN);
+        execute();
+        assertAllCommandsUsed();
+
+        assertGraveyardCount(playerA, "Shower of Coals", 1);
+    }
 }

Mage.Tests/src/test/java/org/mage/test/player/TestPlayer.java

@@ -2093,8 +2093,8 @@ public class TestPlayer implements Player {
                     || target.getOriginalTarget() instanceof TargetPermanentOrPlayer
                     || target.getOriginalTarget() instanceof TargetDefender) {
                 for (String targetDefinition : targets) {
-                    checkTargetDefinitionMarksSupport(target, targetDefinition, "=");
                     if (targetDefinition.startsWith("targetPlayer=")) {
+                        checkTargetDefinitionMarksSupport(target, targetDefinition, "=");
                         String playerName = targetDefinition.substring(targetDefinition.indexOf("targetPlayer=") + 13);
                         for (Player player : game.getPlayers().values()) {
                             if (player.getName().equals(playerName)
@@ -2119,6 +2119,7 @@ public class TestPlayer implements Player {
                     String[] targetList = targetDefinition.split("\\^");
                     boolean targetFound = false;
                     for (String targetName : targetList) {
+                        targetFound = false; // must have all valid targets from list
                         boolean originOnly = false;
                         boolean copyOnly = false;
                         if (targetName.endsWith("]")) {

Mage.Tests/src/test/java/org/mage/test/serverside/base/impl/CardTestPlayerAPIImpl.java

@@ -1770,6 +1770,7 @@ public abstract class CardTestPlayerAPIImpl extends MageTestPlayerBase implement
 
     public void addTarget(TestPlayer player, String target, int timesToChoose) {
         for (int i = 0; i < timesToChoose; i++) {
+            assertAliaseSupportInActivateCommand(target, true);
             player.addTarget(target);
         }
     }

Mage/src/main/java/mage/abilities/Ability.java

@@ -190,13 +190,19 @@ public interface Ability extends Controllable, Serializable {
 
     /**
      * Retrieves all targets that must be satisfied before this ability is put
-     * onto the stack.
+     * onto the stack. Warning, return targets from first/current mode only.
      *
      * @return All {@link Targets} that must be satisfied before this ability is
      * put onto the stack.
      */
     Targets getTargets();
 
+    /**
+     * Retrieves all selected targets, read only. Multi-modes return different targets.
+     * Works on stack only (after real cast/activate)
+     */
+    Targets getAllSelectedTargets();
+
     /**
      * Retrieves the {@link Target} located at the 0th index in the
      * {@link Targets}. A call to the method is equivalent to
@@ -525,6 +531,7 @@ public interface Ability extends Controllable, Serializable {
 
     /**
      * For mtg's instances search, see rules example in 112.10b
+     *
      * @param ability
      * @return
      */

Mage/src/main/java/mage/abilities/AbilityImpl.java

@@ -846,6 +846,18 @@ public abstract class AbilityImpl implements Ability {
         return new Targets();
     }
 
+    @Override
+    public Targets getAllSelectedTargets() {
+        Targets res = new Targets();
+        for (UUID modeId : this.getModes().getSelectedModes()) {
+            Mode mode = this.getModes().get(modeId);
+            if (mode != null) {
+                res.addAll(mode.getTargets());
+            }
+        }
+        return res;
+    }
+
     @Override
     public UUID getFirstTarget() {
         return getTargets().getFirstTarget();

Mage/src/main/java/mage/abilities/Modes.java

@@ -23,7 +23,7 @@ public class Modes extends LinkedHashMap<UUID, Mode> {
     public static final UUID CHOOSE_OPTION_CANCEL_ID = UUID.fromString("0125bd0c-5610-4eba-bc80-fc6d0a7b9de6");
 
     private Mode currentMode; // the current mode of the selected modes
-    private final List<UUID> selectedModes = new ArrayList<>(); // all selected modes (this + duplicate), for all code user getSelectedModes to keep modes order
+    private final List<UUID> selectedModes = new ArrayList<>(); // all selected modes (this + duplicate), use getSelectedModes all the time to keep modes order
     private final Map<UUID, Mode> selectedDuplicateModes = new LinkedHashMap<>(); // for 2x selects: copy mode and put it to duplicate list
     private final Map<UUID, UUID> selectedDuplicateToOriginalModeRefs = new LinkedHashMap<>(); // for 2x selects: stores ref from duplicate to original mode
 

Mage/src/main/java/mage/game/stack/StackAbility.java

@@ -1,9 +1,5 @@
 package mage.game.stack;
 
-import java.util.ArrayList;
-import java.util.EnumSet;
-import java.util.List;
-import java.util.UUID;
 import mage.MageInt;
 import mage.MageObject;
 import mage.ObjectColor;
@@ -34,6 +30,11 @@ import mage.util.GameLog;
 import mage.util.SubTypeList;
 import mage.watchers.Watcher;
 
+import java.util.ArrayList;
+import java.util.EnumSet;
+import java.util.List;
+import java.util.UUID;
+
 /**
  * @author BetaSteward_at_googlemail.com
  */
@@ -307,6 +308,11 @@ public class StackAbility extends StackObjImpl implements Ability {
         return ability.getTargets();
     }
 
+    @Override
+    public Targets getAllSelectedTargets() {
+        return ability.getAllSelectedTargets();
+    }
+
     @Override
     public void addTarget(Target target) {
     }