a

src/Main/PokeMudry.java

@@ -75,16 +75,17 @@ public class PokeMudry extends PortableApplication {
 
         //manage battle
         if(!sp.b.getScreenBattleOn()){
+            sp.p.addXp(sp.b.getNewXp());
+            sp.e.removedPv(sp.b.getNewXp());
             sp.b.setPvEnemy(sp.e.getPv());
             sp.b.setXpPlayer(sp.p.getXp());
         }
 
-
         if(!sp.b.getScreenBattleOn() && onBattleScreen){
             sp.p.onEnemy = false;
             sp.sm = sp.screenManager.getScreenMap();
-            sp.p.addXp(sp.b.getNewXp());
+            
-            sp.e.removedPv(sp.b.getNewXp());
+            
         }
 
         // Graphics render

src/Screen/ScreenPlayer-MSI.java

@@ -0,0 +1,45 @@
+package Screen;
+
+import Entity.Enemy;
+import Entity.Player;
+import Game.Battle;
+import ch.hevs.gdx2d.lib.GdxGraphics;
+
+public class ScreenPlayer {
+    public ManagerOfScreen screenManager = new ManagerOfScreen();
+    public Player p = null;
+    public Enemy e = null;
+    public Battle b = null;
+    public ScreenMap sm = null;
+    public ScreenBattle sb = null;
+
+    public void init(){
+
+        // One player by ScreenPlayer
+        p = new Player(8, 15, "desert");
+      //p = new Player(4, 2, "21RI");
+
+        b = new Battle(new Enemy("enemi", 0, 0, "charachter", "desert", 50, "enemi"));
+
+        // Create both type of screen and record for reuse
+        screenManager.registerScreen(ScreenMap.class);
+        screenManager.registerScreen(ScreenBattle.class);
+        sb = screenManager.getScreenBattle();
+        sm = screenManager.getScreenMap();
+
+    }
+
+    public void render(GdxGraphics g){
+        if(sm != null){
+            sm.setPlayer(p);
+        }
+        
+        if(sb != null){
+            sb.setBattle(b);
+            b.setEnemy(e);
+        }
+        
+        screenManager.render(g);
+    }
+
+}

src/Screen/ScreenPlayer.java

@@ -17,7 +17,7 @@ public class ScreenPlayer {
 
         // One player by ScreenPlayer
         p = new Player(8, 15, "desert");
-      //p = new Player(4, 2, "21RI");
+        // = new Player(4, 2, "21RI");
 
         b = new Battle(new Enemy("enemi", 0, 0, "charachter", "desert", 50, "enemi"));