Card & CardState: add has functions to check for SpellAbility, Trigger and ReplacementEffects

forge-game/src/main/java/forge/game/card/Card.java

@@ -847,6 +847,14 @@ public class Card extends GameEntity implements Comparable<Card> {
         currentState.clearTriggers();
     }
     
+    public final boolean hasTrigger(final Trigger t) {
+       return currentState.hasTrigger(t);
+    }
+
+    public final boolean hasTrigger(final int id) {
+        return currentState.hasTrigger(id);
+    }
+
     public void updateTriggers(List<Trigger> list, CardState state) {
         for (KeywordInterface kw : getUnhiddenKeywords(state)) {
             list.addAll(kw.getTriggers());
@@ -2193,13 +2201,15 @@ public class Card extends GameEntity implements Comparable<Card> {
 
     public final void addSpellAbility(final SpellAbility a) {
         a.setHostCard(this);
-        currentState.addSpellAbility(a);
-        currentState.getView().updateAbilityText(this, currentState);
+        if (currentState.addSpellAbility(a)) {
+            currentState.getView().updateAbilityText(this, currentState);
+        }
     }
 
     public final void removeSpellAbility(final SpellAbility a) {
-        currentState.removeSpellAbility(a);
-        currentState.getView().updateAbilityText(this, currentState);
+        if (currentState.removeSpellAbility(a)) {
+            currentState.getView().updateAbilityText(this, currentState);
+        }
     }
 
     public final FCollectionView<SpellAbility> getSpellAbilities() {
@@ -2212,6 +2222,14 @@ public class Card extends GameEntity implements Comparable<Card> {
         return currentState.getNonManaAbilities();
     }
     
+    public final boolean hasSpellAbility(final SpellAbility sa) {
+        return currentState.hasSpellAbility(sa);
+    }
+
+    public final boolean hasSpellAbility(final int id) {
+        return currentState.hasSpellAbility(id);
+    }
+
     public void updateSpellAbilities(List<SpellAbility> list, CardState state, Boolean mana) {
         for (KeywordInterface kw : getUnhiddenKeywords(state)) {
             for (SpellAbility sa : kw.getAbilities()) {

forge-game/src/main/java/forge/game/card/CardState.java

@@ -222,6 +222,19 @@ public class CardState extends GameObject {
         return new FCollection<SpellAbility>(Iterables.filter(getSpellAbilities(), SpellAbilityPredicates.isIntrinsic()));
     }
 
+    public final boolean hasSpellAbility(final SpellAbility sa) {
+        return getSpellAbilities().contains(sa);
+    }
+
+    public final boolean hasSpellAbility(final int id) {
+        for (SpellAbility sa : getSpellAbilities()) {
+            if (id == sa.getId()) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     public final void setNonManaAbilities(SpellAbility sa) {
     	nonManaAbilities.clear();
     	if (sa != null) {
@@ -279,6 +292,20 @@ public class CardState extends GameObject {
         card.updateTriggers(result, this);
         return result;
     }
+
+    public final boolean hasTrigger(final Trigger t) {
+        return getTriggers().contains(t);
+    }
+
+    public final boolean hasTrigger(final int id) {
+        for (final Trigger t : getTriggers()) {
+            if (id == t.getId()) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     public final void setTriggers(final FCollection<Trigger> triggers0) {
         triggers = triggers0;
     }
@@ -333,6 +360,10 @@ public class CardState extends GameObject {
         replacementEffects.clear();
     }
 
+    public final boolean hasReplacementEffect(final ReplacementEffect re) {
+        return getReplacementEffects().contains(re);
+    }
+
     public final Map<String, String> getSVars() {
         return sVars;
     }