Implemented Soul Echo

Mage.Sets/src/mage/cards/s/SoulEcho.java

@@ -0,0 +1,171 @@
+/*
+ *  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.cards.s;
+
+import java.util.UUID;
+import mage.abilities.Ability;
+import mage.abilities.common.BeginningOfUpkeepTriggeredAbility;
+import mage.abilities.common.EntersBattlefieldAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.condition.common.SourceHasCounterCondition;
+import mage.abilities.decorator.ConditionalOneShotEffect;
+import mage.abilities.effects.Effect;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.ReplacementEffectImpl;
+import mage.abilities.effects.common.EntersBattlefieldWithXCountersEffect;
+import mage.abilities.effects.common.SacrificeSourceEffect;
+import mage.abilities.effects.common.continuous.DontLoseByZeroOrLessLifeEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.counters.CounterType;
+import mage.game.Game;
+import mage.game.events.DamageEvent;
+import mage.game.events.GameEvent;
+import mage.game.events.GameEvent.EventType;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+import mage.target.common.TargetOpponent;
+
+/**
+ *
+ * @author L_J
+ */
+public class SoulEcho extends CardImpl {
+
+    public SoulEcho(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId,setInfo,new CardType[]{CardType.ENCHANTMENT},"{X}{W}{W}");
+
+        // Soul Echo enters the battlefield with X echo counters on it.
+        this.addAbility(new EntersBattlefieldAbility(new EntersBattlefieldWithXCountersEffect(CounterType.ECHO.createInstance())));
+
+        // You don't lose the game for having 0 or less life.
+        this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new DontLoseByZeroOrLessLifeEffect(Duration.WhileOnBattlefield)));
+
+        // At the beginning of your upkeep, sacrifice Soul Echo if there are no echo counters on it. 
+        // Otherwise, target opponent may choose that for each 1 damage that would be dealt to you until your next upkeep, you remove an echo counter from Soul Echo instead.
+        Effect effect = new ConditionalOneShotEffect(new SacrificeSourceEffect(), new SoulEchoOpponentsChoiceEffect(), new SourceHasCounterCondition(CounterType.ECHO, 0, 0), "sacrifice {this} if there are no echo counters on it. Otherwise, target opponent may choose that for each 1 damage that would be dealt to you until your next upkeep, you remove an echo counter from {this} instead");
+        Ability ability = new BeginningOfUpkeepTriggeredAbility(Zone.BATTLEFIELD, effect, TargetController.YOU, false, false);
+        ability.addTarget(new TargetOpponent());
+        this.addAbility(ability);
+    }
+
+    public SoulEcho(final SoulEcho card) {
+        super(card);
+    }
+
+    @Override
+    public SoulEcho copy() {
+        return new SoulEcho(this);
+    }
+}
+
+class SoulEchoOpponentsChoiceEffect extends OneShotEffect {
+
+    public SoulEchoOpponentsChoiceEffect() {
+        super(Outcome.PreventDamage);
+        staticText = "target opponent may choose that for each 1 damage that would be dealt to you until your next upkeep, you remove an echo counter from {this} instead";
+    }
+
+    public SoulEchoOpponentsChoiceEffect(final SoulEchoOpponentsChoiceEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public SoulEchoOpponentsChoiceEffect copy() {
+        return new SoulEchoOpponentsChoiceEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Permanent permanent = game.getPermanentOrLKIBattlefield(source.getSourceId());
+        Player controller = game.getPlayer(source.getControllerId());
+        Player opponent = game.getPlayer(targetPointer.getFirst(game, source));
+        if (controller != null && opponent != null && permanent != null) {
+            if (opponent.chooseUse(outcome, "Would you like to have all damage dealt to " + controller.getLogName() + " be decremented from echo counters on " + permanent.getLogName() + " until " + controller.getLogName() + "'s next upkeep instead?", source, game)) {
+                game.informPlayers("Until " + controller.getLogName() + "'s next upkeep, for each 1 damage that would be dealt to " + controller.getLogName() + ", an echo counter from " + permanent.getLogName() + " is removed instead");
+                game.addEffect(new SoulEchoReplacementEffect(), source);
+            }
+            return true;
+        }
+        return false;
+    }
+}
+
+class SoulEchoReplacementEffect extends ReplacementEffectImpl {
+    
+    private boolean sameStep = true;
+
+    SoulEchoReplacementEffect() {
+        super(Duration.Custom, Outcome.PreventDamage);
+    }
+
+    SoulEchoReplacementEffect(final SoulEchoReplacementEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public boolean isInactive(Ability source, Game game) {
+        if (game.getPhase().getStep().getType() == PhaseStep.UPKEEP) {
+            if (!sameStep && game.getActivePlayerId().equals(source.getControllerId()) || game.getPlayer(source.getControllerId()).hasReachedNextTurnAfterLeaving()) {
+                return true;
+            }
+        } else {
+            sameStep = false;
+        }
+        return false;
+    }
+
+    @Override
+    public boolean replaceEvent(GameEvent event, Ability source, Game game) {
+        DamageEvent damageEvent = (DamageEvent) event;
+        int damage = damageEvent.getAmount();
+        Permanent permanent = game.getPermanentOrLKIBattlefield(source.getSourceId());
+        Player controller = game.getPlayer(source.getControllerId());
+        if (permanent != null && controller != null) {
+            permanent.removeCounters(CounterType.ECHO.createInstance(damage), game);
+            game.informPlayers(controller.getLogName() + ": " + damage + " damage replaced with " + permanent.getLogName());
+        }
+        return true;
+    }
+
+    @Override
+    public boolean checksEventType(GameEvent event, Game game) {
+        return event.getType() == EventType.DAMAGE_PLAYER;
+    }
+
+    @Override
+    public boolean applies(GameEvent event, Ability source, Game game) {
+        return event.getTargetId().equals(source.getControllerId());
+    }
+
+    @Override
+    public SoulEchoReplacementEffect copy() {
+        return new SoulEchoReplacementEffect(this);
+    }
+}