Add: idIMG constructor

src/main/java/it/polimi/ingsw/gc14/Model/PlayableCard.java

@@ -8,6 +8,11 @@ import java.io.Serializable;
  */
 public abstract class PlayableCard implements Serializable {
 
+    private String idIMG;
+    public String getIdIMG() {
+        return idIMG;
+    }
+
     /**
      * The era associated with this playable card.
      */
@@ -29,6 +34,22 @@ public abstract class PlayableCard implements Serializable {
      * @throws IllegalArgumentException if {@code Era <= 0} or {@code Era >= 4}.
      */
     public PlayableCard (int Era) throws IllegalArgumentException{
+        idIMG="-1";
+        if (Era>0 && Era<4) {
+            this.Era = Era;
+        } else {
+            throw new IllegalArgumentException();
+        }
+    }
+
+    /**
+     * Creates a playable card with the specified era.
+     *
+     * @param Era the era of the playable card.
+     * @throws IllegalArgumentException if {@code Era <= 0} or {@code Era >= 4}.
+     */
+    public PlayableCard (String idIMG,int Era) throws IllegalArgumentException{
+        this.idIMG = idIMG;
         if (Era>0 && Era<4) {
             this.Era = Era;
         } else {