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Mage/src/mage/abilities/keyword/UnearthAbility.java

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+/*
+ *  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.abilities.keyword;
+
+import mage.Constants.Duration;
+import mage.Constants.Outcome;
+import mage.Constants.TimingRule;
+import mage.Constants.Zone;
+import mage.abilities.ActivatedAbilityImpl;
+import mage.abilities.common.OnEventTriggeredAbility;
+import mage.abilities.costs.mana.ManaCosts;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.ReplacementEffectImpl;
+import mage.abilities.effects.common.ExileSourceEffect;
+import mage.abilities.effects.common.GainAbilitySourceEffect;
+import mage.cards.Card;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.events.GameEvent.EventType;
+import mage.game.events.ZoneChangeEvent;
+import mage.players.Player;
+
+/**
+ *
+ * @author BetaSteward_at_googlemail.com
+ */
+public class UnearthAbility extends ActivatedAbilityImpl {
+
+	protected boolean unearthed = false;
+
+	public UnearthAbility(ManaCosts costs) {
+		super(Zone.GRAVEYARD, new UnearthEffect(), costs);
+		this.timing = TimingRule.SORCERY;
+		this.effects.add(new GainAbilitySourceEffect(HasteAbility.getInstance(), Duration.WhileOnBattlefield));
+		this.effects.add(new GainAbilitySourceEffect(new OnEventTriggeredAbility(EventType.END_TURN_STEP_PRE, "beginning of the end step", new ExileSourceEffect()), Duration.WhileOnBattlefield));
+		this.effects.add(new UnearthLeavesBattlefieldEffect());
+	}
+
+	public boolean isUnearthed() {
+		return unearthed;
+	}
+
+	@Override
+	public String getRule() {
+		return "Unearth " + super.getRule();
+	}
+
+}
+
+class UnearthEffect extends OneShotEffect {
+
+	public UnearthEffect() {
+		super(Outcome.PutCreatureInPlay);
+	}
+
+	@Override
+	public boolean apply(Game game) {
+		Player player = game.getPlayer(this.source.getControllerId());
+		Card card = player.getGraveyard().get(this.source.getSourceId());
+		if (card != null) {
+			player.putOntoBattlefield(card, game);
+			return true;
+		}
+		return false;
+	}
+
+	@Override
+	public String getText() {
+		return "Return this card from your graveyard to the battlefield";
+	}
+
+}
+
+class UnearthLeavesBattlefieldEffect extends ReplacementEffectImpl {
+
+
+	public UnearthLeavesBattlefieldEffect() {
+		super(Duration.WhileOnBattlefield, Outcome.Exile);
+	}
+
+	@Override
+	public boolean applies(GameEvent event, Game game) {
+		if (event.getType() == EventType.ZONE_CHANGE && event.getTargetId().equals(this.source.getSourceId())) {
+			ZoneChangeEvent zEvent = (ZoneChangeEvent)event;
+			if (zEvent.getFromZone() == Zone.BATTLEFIELD)
+				return true;
+		}
+		return false;
+	}
+
+	@Override
+	public boolean apply(Game game) {
+		ExileSourceEffect effect = new ExileSourceEffect();
+		effect.setSource(source);
+		return effect.apply(game);
+	}
+
+	@Override
+	public boolean replaceEvent(GameEvent event, Game game) {
+		return apply(game);
+	}
+
+	@Override
+	public String getText() {
+		return "When {this} leaves the battlefield, exile {this}";
+	}
+}