[KHM] Implemented Ascendant Spirit

Mage/src/main/java/mage/abilities/effects/common/continuous/AddCardSubTypeSourceEffect.java

@@ -0,0 +1,81 @@
+package mage.abilities.effects.common.continuous;
+
+import mage.MageObjectReference;
+import mage.abilities.Ability;
+import mage.abilities.Mode;
+import mage.abilities.effects.ContinuousEffectImpl;
+import mage.constants.*;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+
+/**
+ * @author TheElk801
+ */
+public class AddCardSubTypeSourceEffect extends ContinuousEffectImpl {
+
+    private final List<SubType> addedSubTypes = new ArrayList<>();
+
+    public AddCardSubTypeSourceEffect(Duration duration, SubType... addedSubType) {
+        super(duration, Layer.TypeChangingEffects_4, SubLayer.NA, Outcome.Benefit);
+        for (SubType cardType : addedSubType) {
+            this.addedSubTypes.add(cardType);
+        }
+    }
+
+    private AddCardSubTypeSourceEffect(final AddCardSubTypeSourceEffect effect) {
+        super(effect);
+        this.addedSubTypes.addAll(effect.addedSubTypes);
+    }
+
+    @Override
+    public void init(Ability source, Game game) {
+        super.init(source, game);
+        affectedObjectList.add(new MageObjectReference(source.getSourceId(), game));
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Permanent permanent = game.getPermanent(source.getSourceId());
+        if (permanent != null && affectedObjectList.contains(new MageObjectReference(permanent, game))) {
+            for (SubType cardType : addedSubTypes) {
+                permanent.addSubType(game, cardType);
+            }
+            return true;
+        } else if (this.getDuration() == Duration.Custom) {
+            this.discard();
+        }
+        return false;
+    }
+
+    @Override
+    public AddCardSubTypeSourceEffect copy() {
+        return new AddCardSubTypeSourceEffect(this);
+    }
+
+    @Override
+    public String getText(Mode mode) {
+        if (staticText != null && !staticText.isEmpty()) {
+            return staticText;
+        }
+        StringBuilder sb = new StringBuilder();
+        sb.append("{this} becomes ");
+        boolean article = false;
+        for (SubType subType : addedSubTypes) {
+            if (!article) {
+                if (subType.toString().startsWith("A") || subType.toString().startsWith("E")) {
+                    sb.append("an ");
+                } else {
+                    sb.append("a ");
+                }
+                article = true;
+            }
+            sb.append(subType.toString().toLowerCase(Locale.ENGLISH)).append(" ");
+        }
+        sb.append(" in addition to its other types ").append(this.getDuration().toString());
+        return sb.toString();
+    }
+}