added init for mdga with all states and messages

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

@@ -0,0 +1,37 @@
+package pp.mdga.game;
+
+public class Piece {
+    private ShieldState shield;
+    private PieceState state;
+    private Color color;
+
+    public Piece(Color color, PieceState state) {
+        this.color = color;
+        this.state = state;
+        shield = ShieldState.NONE;
+    }
+
+    public void setShield(ShieldState shield) {
+        this.shield = shield;
+    }
+
+    public ShieldState getShield() {
+        return shield;
+    }
+
+    public void setState(PieceState state) {
+        this.state = state;
+    }
+
+    public PieceState getState() {
+        return state;
+    }
+
+    public boolean isShielded() {
+        return shield == ShieldState.ACTIVE;
+    }
+
+    public boolean isSuppressed() {
+        return shield == ShieldState.SUPPRESSED;
+    }
+}