Player is now floating between dimensions if the exit of the other stargate is blocked

also fixes #7

cicaprojekt/Stargate.java

@@ -59,7 +59,9 @@ public class Stargate {
         return isSpawned;
     }
     public boolean isOpen() {
-        return isSpawned & other.isSpawned;
+        if(isSpawned & other.isSpawned)
+            return other.getCurrentWall().getAdjacentTile(other.getExitDirection()).isSteppable();
+        return false;
     }
 
     private Direction getExitDirection() {
@@ -69,6 +71,8 @@ public class Stargate {
     public void teleport(PlayerBase player) {
         if(isOpen())
             player.setCurrentTile(other.getCurrentWall().getAdjacentTile(other.getExitDirection()));
+        else
+            player.setCurrentTile(this.getCurrentWall());
     }
 
     @Override

cicaprojekt/Wall.java

@@ -44,6 +44,7 @@ public class Wall extends Tile {
     }
 
     public void onExit(PlayerBase playerBase) throws IllegalStateException {
+        if(sg != null) return;
         throw new IllegalStateException("Hiba! Te hogy kerültél a falba?");
     }