Added Grip of Chaos.

Mage.Sets/src/mage/sets/scourge/GripOfChaos.java

@@ -0,0 +1,173 @@
+/*
+ *  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.scourge;
+
+import java.util.Iterator;
+import java.util.Random;
+import java.util.Set;
+import java.util.UUID;
+import mage.abilities.Ability;
+import mage.abilities.Mode;
+import mage.abilities.TriggeredAbilityImpl;
+import mage.abilities.effects.Effect;
+import mage.abilities.effects.OneShotEffect;
+import mage.cards.CardImpl;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.Rarity;
+import mage.constants.Zone;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.events.GameEvent.EventType;
+import mage.game.stack.StackObject;
+import mage.target.Target;
+import mage.target.targetpointer.FixedTarget;
+
+/**
+ *
+ * @author emerald000
+ */
+public class GripOfChaos extends CardImpl {
+
+    public GripOfChaos(UUID ownerId) {
+        super(ownerId, 98, "Grip of Chaos", Rarity.RARE, new CardType[]{CardType.ENCHANTMENT}, "{4}{R}{R}");
+        this.expansionSetCode = "SCG";
+
+        // Whenever a spell or ability is put onto the stack, if it has a single target, reselect its target at random.
+        this.addAbility(new GripOfChaosTriggeredAbility());
+    }
+
+    public GripOfChaos(final GripOfChaos card) {
+        super(card);
+    }
+
+    @Override
+    public GripOfChaos copy() {
+        return new GripOfChaos(this);
+    }
+}
+
+class GripOfChaosTriggeredAbility extends TriggeredAbilityImpl {
+
+    GripOfChaosTriggeredAbility() {
+        super(Zone.BATTLEFIELD, new GripOfChaosEffect());
+    }
+
+    GripOfChaosTriggeredAbility(final GripOfChaosTriggeredAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == EventType.SPELL_CAST
+                || event.getType() == EventType.ACTIVATED_ABILITY
+                || event.getType() == EventType.TRIGGERED_ABILITY
+                || event.getType() == EventType.COPIED_STACKOBJECT;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        for (Effect effect : this.getEffects()) {
+            effect.setTargetPointer(new FixedTarget(event.getTargetId()));
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    public boolean checkInterveningIfClause(Game game) {
+        StackObject stackObject = null;
+        for (Effect effect : this.getEffects()) {
+            stackObject = game.getStack().getStackObject(effect.getTargetPointer().getFirst(game, this));
+        }
+        if (stackObject != null) {
+            int numberOfTargets = 0;
+            for (Mode mode : stackObject.getStackAbility().getModes().getSelectedModes()) {
+                for (Target target : mode.getTargets()) {
+                    numberOfTargets += target.getTargets().size();
+                }
+            }
+            return numberOfTargets == 1;
+        }
+        return false;
+    }
+
+    @Override
+    public String getRule() {
+        return "Whenever a spell or ability is put onto the stack, if it has a single target, reselect its target at random.";
+    }
+
+    @Override
+    public GripOfChaosTriggeredAbility copy() {
+        return new GripOfChaosTriggeredAbility(this);
+    }
+}
+
+class GripOfChaosEffect extends OneShotEffect {
+
+    GripOfChaosEffect() {
+        super(Outcome.Neutral);
+        this.staticText = "reselect its target at random";
+    }
+
+    GripOfChaosEffect(final GripOfChaosEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public GripOfChaosEffect copy() {
+        return new GripOfChaosEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        StackObject stackObject = game.getStack().getStackObject(this.getTargetPointer().getFirst(game, source));
+        if (stackObject != null) {
+            for (Mode mode : stackObject.getStackAbility().getModes().getSelectedModes()) {
+                for (Target target : mode.getTargets()) {
+                    UUID oldTargetId = target.getFirstTarget();
+                    Set<UUID> possibleTargets = target.possibleTargets(source.getSourceId(), source.getControllerId(), game);
+                    if (possibleTargets.size() > 0) {
+                        int i = 0;
+                        int rnd = new Random().nextInt(possibleTargets.size());
+                        Iterator<UUID> it = possibleTargets.iterator();
+                        while (i < rnd) {
+                            it.next();
+                            i++;
+                        }
+                        UUID newTargetId = it.next();
+                        target.remove(oldTargetId);
+                        target.add(newTargetId, game);
+                    }
+                }
+            }
+            return true;
+        }
+        return false;
+    }
+}