added AttacksAloneControlledTriggeredAbility

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

@@ -0,0 +1,60 @@
+
+package mage.abilities.common;
+
+import java.util.Objects;
+import java.util.UUID;
+import mage.abilities.TriggeredAbilityImpl;
+import mage.abilities.effects.Effect;
+import mage.constants.Zone;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.target.targetpointer.FixedTarget;
+
+/**
+ *
+ * @author LoneFox
+ */
+public class AttacksAloneSourceTriggeredAbility extends TriggeredAbilityImpl {
+
+    public AttacksAloneSourceTriggeredAbility(Effect effect) {
+        super(Zone.BATTLEFIELD, effect);
+    }
+
+    public AttacksAloneSourceTriggeredAbility(final AttacksAloneSourceTriggeredAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public AttacksAloneSourceTriggeredAbility copy() {
+        return new AttacksAloneSourceTriggeredAbility(this);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.DECLARED_ATTACKERS;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        if(game.isActivePlayer(this.controllerId) ) {
+            UUID creatureId = this.getSourceId();
+            if(creatureId != null) {
+                if(game.getCombat().attacksAlone() && Objects.equals(creatureId, game.getCombat().getAttackers().get(0))) {
+                    UUID defender = game.getCombat().getDefenderId(creatureId);
+                    if(defender != null) {
+                        for(Effect effect: getEffects()) {
+                            effect.setTargetPointer(new FixedTarget(defender));
+                        }
+                    }
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public String getTriggerPhrase() {
+        return "Whenever {this} attacks alone, " ;
+    }
+}