made all enums look like the color enum

Projekte/mdga/model/src/main/java/pp/mdga/game/PieceState.java

@@ -21,6 +21,14 @@ public enum PieceState {
      */
     HOMEFINISHED;
 
+    public static PieceState getPieceStateByIndex(int index){
+        if (index < 0 || index >= values().length) {
+            throw new IllegalArgumentException("");
+        }
+        return values()[index];
+    }
+
+
     public PieceState next() {
         return values()[(ordinal() + 1) % values().length];
     }

Projekte/mdga/model/src/main/java/pp/mdga/game/ShieldState.java

@@ -17,6 +17,12 @@ public enum ShieldState {
      */
     SUPPRESSED;
 
+    public static ShieldState getShieldStateByIndex(int index){
+        if (index < 0 || index >= values().length) {
+            throw new IllegalArgumentException("");
+        }
+        return values()[index];
+    }
 
     public ShieldState next() {
         return values()[(ordinal() + 1) % values().length];