create PlayerManager static class

src/engine/devcmd/cmds/GotoObj.java

@@ -12,6 +12,7 @@ package engine.devcmd.cmds;
 import engine.Enum;
 import engine.devcmd.AbstractDevCmd;
 import engine.gameManager.DbManager;
+import engine.gameManager.PlayerManager;
 import engine.math.Vector3fImmutable;
 import engine.objects.*;
 
@@ -84,7 +85,7 @@ public class GotoObj extends AbstractDevCmd {
             return;
         }
 
-        player.teleport(targetLoc);
+        PlayerManager.teleport(player, targetLoc);
 
     }