2 files changed, 25 insertions, 1 deletions

diff --git a/src/ch/epfl/xblast/PlayerAction.java b/src/ch/epfl/xblast/PlayerAction.java
index 703bc9d..67920eb 100644
--- a/src/ch/epfl/xblast/PlayerAction.java
+++ b/src/ch/epfl/xblast/PlayerAction.java
@@ -14,6 +14,17 @@ public enum PlayerAction {
     MOVE_S,
     MOVE_W,
     STOP,
-    DROP_BOMB
+    DROP_BOMB;
+
+    public static PlayerAction fromByte(byte b) {
+        if ((int) b < 0 || (int) b >= PlayerAction.values().length)
+            throw new IllegalArgumentException();
+
+        return PlayerAction.values()[(int) b];
+    }
+
+    public byte toByte() {
+        return (byte) this.ordinal();
+    }
 
 }
diff --git a/src/ch/epfl/xblast/PlayerID.java b/src/ch/epfl/xblast/PlayerID.java
index 9377fdf..96b98e4 100644
--- a/src/ch/epfl/xblast/PlayerID.java
+++ b/src/ch/epfl/xblast/PlayerID.java
@@ -13,6 +13,8 @@ public enum PlayerID {
     PLAYER_3,
     PLAYER_4;
 
+    public static final byte OBSERVER = -1;
+
     public Cell initialPosition() {
         switch (this) {
             case PLAYER_1:
@@ -28,4 +30,15 @@ public enum PlayerID {
         }
     }
 
+    public static PlayerID fromByte(byte b) {
+        if ((int) b < 0 || (int) b >= PlayerAction.values().length)
+            throw new IllegalArgumentException();
+
+        return PlayerID.values()[(int) b];
+    }
+
+    public byte toByte() {
+        return (byte) this.ordinal();
+    }
+
 }