Implement some WAR cards

Mage/src/main/java/mage/abilities/common/DiesThisOrAnotherCreatureOrPlaneswalkerTriggeredAbility.java

@@ -0,0 +1,87 @@
+
+package mage.abilities.common;
+
+import mage.MageObject;
+import mage.abilities.TriggeredAbilityImpl;
+import mage.abilities.effects.Effect;
+import mage.constants.Zone;
+import mage.filter.common.FilterCreatureOrPlaneswalkerPermanent;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.events.ZoneChangeEvent;
+import mage.game.permanent.Permanent;
+
+/**
+ * @author noxx
+ */
+public class DiesThisOrAnotherCreatureOrPlaneswalkerTriggeredAbility extends TriggeredAbilityImpl {
+
+    protected FilterCreatureOrPlaneswalkerPermanent filter;
+
+    public DiesThisOrAnotherCreatureOrPlaneswalkerTriggeredAbility(Effect effect, boolean optional) {
+        this(effect, optional, new FilterCreatureOrPlaneswalkerPermanent());
+    }
+
+    public DiesThisOrAnotherCreatureOrPlaneswalkerTriggeredAbility(Effect effect, boolean optional, FilterCreatureOrPlaneswalkerPermanent filter) {
+        super(Zone.ALL, effect, optional); // Needs "ALL" if the source itself should trigger or multiple (incl. source go to grave)
+        this.filter = filter;
+    }
+
+    public DiesThisOrAnotherCreatureOrPlaneswalkerTriggeredAbility(DiesThisOrAnotherCreatureOrPlaneswalkerTriggeredAbility ability) {
+        super(ability);
+        this.filter = ability.filter;
+    }
+
+    @Override
+    public DiesThisOrAnotherCreatureOrPlaneswalkerTriggeredAbility copy() {
+        return new DiesThisOrAnotherCreatureOrPlaneswalkerTriggeredAbility(this);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.ZONE_CHANGE;
+    }
+
+    @Override
+    public boolean isInUseableZone(Game game, MageObject source, GameEvent event) {
+        Permanent sourcePermanent = null;
+        if (game.getState().getZone(getSourceId()) == Zone.BATTLEFIELD) {
+            sourcePermanent = game.getPermanent(getSourceId());
+        } else {
+            if (game.getShortLivingLKI(getSourceId(), Zone.BATTLEFIELD)) {
+                sourcePermanent = (Permanent) game.getLastKnownInformation(getSourceId(), Zone.BATTLEFIELD);
+            }
+        }
+        if (sourcePermanent == null) {
+            return false;
+        }
+        return hasSourceObjectAbility(game, sourcePermanent, event);
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        ZoneChangeEvent zEvent = (ZoneChangeEvent) event;
+
+        if (game.getPermanentOrLKIBattlefield(getSourceId()) == null) {
+            return false;
+        }
+
+        if (zEvent.isDiesEvent()) {
+            if (zEvent.getTarget() != null) {
+                if (zEvent.getTarget().getId().equals(this.getSourceId())) {
+                    return true;
+                } else {
+                    if (filter.match(zEvent.getTarget(), getSourceId(), getControllerId(), game)) {
+                        return true;
+                    }
+                }
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public String getRule() {
+        return "Whenever {this} or another " + filter.getMessage() + " dies, " + super.getRule();
+    }
+}