Added Dueling Grounds

Mage.Sets/src/mage/sets/commander2013/IllusionistsGambit.java

@@ -200,7 +200,7 @@ class IllusionistsGambitRestrictionEffect extends RestrictionEffect {
     }
 
     @Override
-    public boolean canAttack(UUID defenderId, Ability source, Game game) {
+    public boolean canAttack(Permanent attacker, UUID defenderId, Ability source, Game game) {
         if (defenderId.equals(source.getControllerId())) {
             return false;
         }

Mage.Sets/src/mage/sets/fifthdawn/SilentArbiter.java

@@ -92,7 +92,7 @@ class SilentArbiterAttackRestrictionEffect extends RestrictionEffect {
     }
     
     @Override
-    public boolean canAttack(UUID defenderId, Ability source, Game game) {
+    public boolean canAttack(Permanent attacker, UUID defenderId, Ability source, Game game) {
         return game.getCombat().getAttackers().isEmpty();
     }
 }

Mage.Sets/src/mage/sets/invasion/DuelingGrounds.java

@@ -0,0 +1,146 @@
+/*
+ *  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without modification, are
+ *  permitted provided that the following conditions are met:
+ *
+ *     1. Redistributions of source code must retain the above copyright notice, this list of
+ *        conditions and the following disclaimer.
+ *
+ *     2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *        of conditions and the following disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ *  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
+ *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ *  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  The views and conclusions contained in the software and documentation are those of the
+ *  authors and should not be interpreted as representing official policies, either expressed
+ *  or implied, of BetaSteward_at_googlemail.com.
+ */
+package mage.sets.invasion;
+
+import java.util.Set;
+import java.util.UUID;
+
+import mage.MageObjectReference;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.ContinuousEffect;
+import mage.abilities.effects.RestrictionEffect;
+import mage.cards.CardImpl;
+import mage.constants.CardType;
+import mage.constants.Duration;
+import mage.constants.Rarity;
+import mage.constants.Zone;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.watchers.common.AttackedThisTurnWatcher;
+import mage.watchers.common.BlockedThisTurnWatcher;
+
+/**
+ *
+ * @author Quercitron
+ */
+public class DuelingGrounds extends CardImpl {
+
+    public DuelingGrounds(UUID ownerId) {
+        super(ownerId, 245, "Dueling Grounds", Rarity.RARE, new CardType[]{CardType.ENCHANTMENT}, "{1}{G}{W}");
+        this.expansionSetCode = "INV";
+
+        // No more than one creature can attack each turn.
+        this.addAbility(
+                new SimpleStaticAbility(Zone.BATTLEFIELD, new NoMoreThanOneCreatureCanAttackEachTurnEffect()),
+                new AttackedThisTurnWatcher());
+
+        // No more than one creature can block each turn.
+        this.addAbility(
+                new SimpleStaticAbility(Zone.BATTLEFIELD, new NoMoreThanOneCreatureCanBlockEachTurnEffect()),
+                new BlockedThisTurnWatcher());
+    }
+
+    public DuelingGrounds(final DuelingGrounds card) {
+        super(card);
+    }
+
+    @Override
+    public DuelingGrounds copy() {
+        return new DuelingGrounds(this);
+    }
+}
+
+class NoMoreThanOneCreatureCanAttackEachTurnEffect extends RestrictionEffect {
+
+    public NoMoreThanOneCreatureCanAttackEachTurnEffect() {
+        super(Duration.WhileOnBattlefield);
+    }
+
+    public NoMoreThanOneCreatureCanAttackEachTurnEffect(final NoMoreThanOneCreatureCanAttackEachTurnEffect effect) {
+        super(effect);
+        this.staticText = "No more than one creature can attack each turn";
+    }
+
+    @Override
+    public ContinuousEffect copy() {
+        return new NoMoreThanOneCreatureCanAttackEachTurnEffect(this);
+    }
+
+    @Override
+    public boolean applies(Permanent permanent, Ability source, Game game) {
+        return true;
+    }
+
+    @Override
+    public boolean canAttack(Permanent attacker, UUID defenderId, Ability source, Game game) {
+        if (!game.getCombat().getAttackers().isEmpty()) {
+            return false;
+        }
+        AttackedThisTurnWatcher watcher = (AttackedThisTurnWatcher) game.getState().getWatchers().get("AttackedThisTurn");
+        Set<UUID> attackedThisTurnCreatures = watcher.getAttackedThisTurnCreatures();
+        return attackedThisTurnCreatures.isEmpty()
+                || (attackedThisTurnCreatures.size() == 1 && attackedThisTurnCreatures.contains(attacker.getId()));
+    }
+
+}
+
+class NoMoreThanOneCreatureCanBlockEachTurnEffect extends RestrictionEffect {
+
+    public NoMoreThanOneCreatureCanBlockEachTurnEffect() {
+        super(Duration.WhileOnBattlefield);
+        this.staticText = "No more than one creature can block each turn";
+    }
+
+    public NoMoreThanOneCreatureCanBlockEachTurnEffect(final NoMoreThanOneCreatureCanBlockEachTurnEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public ContinuousEffect copy() {
+        return new NoMoreThanOneCreatureCanBlockEachTurnEffect(this);
+    }
+
+    @Override
+    public boolean applies(Permanent permanent, Ability source, Game game) {
+        return true;
+    }
+
+    @Override
+    public boolean canBlock(Permanent attacker, Permanent blocker, Ability source, Game game) {
+        if (!game.getCombat().getBlockers().isEmpty()) {
+            return false;
+        }
+        BlockedThisTurnWatcher watcher = (BlockedThisTurnWatcher) game.getState().getWatchers().get("BlockedThisTurn");
+        Set<MageObjectReference> blockedThisTurnCreatures = watcher.getBlockedThisTurnCreatures();
+        MageObjectReference blockerReference = new MageObjectReference(blocker.getId(), blocker.getZoneChangeCounter(game), game);
+        return blockedThisTurnCreatures.isEmpty()
+                || (blockedThisTurnCreatures.size() == 1 && blockedThisTurnCreatures.contains(blockerReference));
+    }
+
+}

Mage.Sets/src/mage/sets/legions/GoblinGoon.java

@@ -90,7 +90,7 @@ class GoblinGoonCantAttackEffect extends RestrictionEffect {
     }
 
     @Override
-    public boolean canAttack(UUID defenderId, Ability source, Game game) {
+    public boolean canAttack(Permanent attacker, UUID defenderId, Ability source, Game game) {
         UUID defendingPlayerId;
         Player defender = game.getPlayer(defenderId);
         if (defender == null) {

Mage.Sets/src/mage/sets/newphyrexia/ChainedThroatseeker.java

@@ -91,7 +91,7 @@ class ChainedThroatseekerCantAttackEffect extends RestrictionEffect {
     }
 
     @Override
-    public boolean canAttack(UUID defenderId, Ability source, Game game) {
+    public boolean canAttack(Permanent attacker, UUID defenderId, Ability source, Game game) {
         Player targetPlayer = game.getPlayer(defenderId);
         if (targetPlayer != null) {
             if (targetPlayer.getCounters().containsKey(CounterType.POISON)) {

Mage.Sets/src/mage/sets/timeshifted/TeferisMoat.java

@@ -92,7 +92,7 @@ class TeferisMoatRestrictionEffect extends RestrictionEffect {
     }
     
     @Override
-    public boolean canAttack(UUID defenderId, Ability source, Game game) {
+    public boolean canAttack(Permanent attacker, UUID defenderId, Ability source, Game game) {
         return !defenderId.equals(source.getControllerId());
     }
     

Mage/src/main/java/mage/abilities/effects/RestrictionEffect.java

@@ -65,7 +65,7 @@ public abstract class RestrictionEffect extends ContinuousEffectImpl {
         return true;
     }
 
-    public boolean canAttack(UUID defenderId, Ability source, Game game) {
+    public boolean canAttack(Permanent attacker, UUID defenderId, Ability source, Game game) {
         return true;
     }
 

Mage/src/main/java/mage/abilities/effects/common/combat/CantAttackControllerAttachedEffect.java

@@ -63,7 +63,7 @@ public class CantAttackControllerAttachedEffect extends RestrictionEffect {
     }
 
     @Override
-    public boolean canAttack(UUID defenderId, Ability source, Game game) {
+    public boolean canAttack(Permanent attacker, UUID defenderId, Ability source, Game game) {
         if (defenderId.equals(source.getControllerId())) {
             return false;
         }

Mage/src/main/java/mage/abilities/effects/common/combat/CantAttackIfDefenderControlsPermanent.java

@@ -63,7 +63,7 @@ public class CantAttackIfDefenderControlsPermanent extends RestrictionEffect {
     }
 
     @Override
-    public boolean canAttack(UUID defenderId, Ability source, Game game) {
+    public boolean canAttack(Permanent attacker, UUID defenderId, Ability source, Game game) {
         UUID defendingPlayerId;
         Player player = game.getPlayer(defenderId);
         if (player == null) {

Mage/src/main/java/mage/abilities/effects/common/combat/CantAttackUnlessDefenderControllsPermanent.java

@@ -63,7 +63,7 @@ public class CantAttackUnlessDefenderControllsPermanent extends RestrictionEffec
     }
 
     @Override
-    public boolean canAttack(UUID defenderId, Ability source, Game game) {
+    public boolean canAttack(Permanent attacker, UUID defenderId, Ability source, Game game) {
         UUID defendingPlayerId;
         Player player = game.getPlayer(defenderId);
         if (player == null) {

Mage/src/main/java/mage/abilities/effects/common/combat/CantAttackYouAllEffect.java

@@ -65,7 +65,7 @@ public class CantAttackYouAllEffect extends RestrictionEffect {
     }
 
     @Override
-    public boolean canAttack(UUID defenderId, Ability source, Game game) {
+    public boolean canAttack(Permanent attacker, UUID defenderId, Ability source, Game game) {
         return !defenderId.equals(source.getControllerId());
     }
 

Mage/src/main/java/mage/abilities/effects/common/combat/CantAttackYouOrPlaneswalkerAllEffect.java

@@ -65,7 +65,7 @@ public class CantAttackYouOrPlaneswalkerAllEffect extends RestrictionEffect {
     }
 
     @Override
-    public boolean canAttack(UUID defenderId, Ability source, Game game) {
+    public boolean canAttack(Permanent attacker, UUID defenderId, Ability source, Game game) {
         if (defenderId.equals(source.getControllerId())) {
             return false;
         }

Mage/src/main/java/mage/game/permanent/PermanentImpl.java

@@ -1108,7 +1108,7 @@ public abstract class PermanentImpl extends CardImpl implements Permanent {
                 return false;
             }
             for (Ability ability : effectEntry.getValue()) {
-                if (!effectEntry.getKey().canAttack(defenderId, ability, game)) {
+                if (!effectEntry.getKey().canAttack(this, defenderId, ability, game)) {
                     return false;
                 }
             }

Mage/src/main/java/mage/watchers/common/BlockedThisTurnWatcher.java

@@ -0,0 +1,79 @@
+/*
+ *  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without modification, are
+ *  permitted provided that the following conditions are met:
+ *
+ *     1. Redistributions of source code must retain the above copyright notice, this list of
+ *        conditions and the following disclaimer.
+ *
+ *     2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *        of conditions and the following disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ *  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
+ *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ *  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  The views and conclusions contained in the software and documentation are those of the
+ *  authors and should not be interpreted as representing official policies, either expressed
+ *  or implied, of BetaSteward_at_googlemail.com.
+ */
+package mage.watchers.common;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import mage.MageObjectReference;
+import mage.constants.WatcherScope;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.watchers.Watcher;
+
+/**
+ *
+ * @author Quercitron
+ */
+public class BlockedThisTurnWatcher extends Watcher {
+
+    private final Set<MageObjectReference> blockedThisTurnCreatures;
+
+    public BlockedThisTurnWatcher() {
+        super("BlockedThisTurn", WatcherScope.GAME);
+        blockedThisTurnCreatures = new HashSet<>();
+    }
+
+    public BlockedThisTurnWatcher(final BlockedThisTurnWatcher watcher) {
+        super(watcher);
+        blockedThisTurnCreatures = new HashSet<>(watcher.blockedThisTurnCreatures);
+    }
+
+    @Override
+    public Watcher copy() {
+        return new BlockedThisTurnWatcher(this);
+    }
+
+    @Override
+    public void watch(GameEvent event, Game game) {
+        if (event.getType() == GameEvent.EventType.BLOCKER_DECLARED) {
+            this.blockedThisTurnCreatures.add(new MageObjectReference(event.getSourceId(), game));
+        }
+    }
+
+    public Set<MageObjectReference> getBlockedThisTurnCreatures() {
+        return this.blockedThisTurnCreatures;
+    }
+
+    @Override
+    public void reset() {
+        super.reset();
+        blockedThisTurnCreatures.clear();
+    }
+
+}