From e3e17eb29546fc0478c949cef672b3e6c5996f13 Mon Sep 17 00:00:00 2001
From: Alexander Yakovlev <keloero@oreolek.ru>
Date: Sun, 27 Mar 2016 22:49:38 +0700
Subject: [PATCH] Resolved #2: forbid leaving a room

You can use `@exit()` to set `canExit` and print the "YOU SHALL NOT LEAVE"
message.
---
 lib/room.coffee | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/room.coffee b/lib/room.coffee
index a76d54b..beeee5c 100644
--- a/lib/room.coffee
+++ b/lib/room.coffee
@@ -24,6 +24,7 @@ class SaletRoom
     @priority = 1
     @displayOrder = 1
     @canSave = true
+    @canExit = true
     @tags = []
     @choices = ""
     @optionText = "Choice"
@@ -63,6 +64,14 @@ class SaletRoom
       Also if f == this.name (we're in the same location) the `before` and `after` callbacks are ignored.
     ###
     @entering = (system, f) =>
+      if (
+        f != @name and
+        f? and
+        system.rooms[f].canExit? and
+        system.rooms[f].canExit == false
+      )
+        return system.goTo(f, f)
+
       if @clear and f?
         system.view.clearContent()
       else