1 files changed, 8 insertions, 1 deletions
diff --git a/engines/lab/lab.h b/engines/lab/lab.h
index 2fd60c73e7..2cbea65269 100644
--- a/engines/lab/lab.h
+++ b/engines/lab/lab.h
@@ -35,21 +35,25 @@
 #include "common/rect.h"
 
 #include "engines/engine.h"
-#include "lab/processroom.h"
 
 struct ADGameDescription;
 
 namespace Lab {
 
+struct Action;
 class Anim;
+struct CloseData;
 class DisplayMan;
 class EventManager;
 struct Gadget;
 class Image;
 struct IntuiMessage;
+struct InventoryData;
 class LargeSet;
 class Music;
 class Resource;
+struct RoomData;
+struct Rule;
 struct TextFont;
 class Utils;
 
@@ -75,6 +79,9 @@ struct CrumbData {
 
 #define MAX_CRUMBS          128
 
+typedef CloseData *CloseDataPtr;
+typedef Common::List<Rule *> RuleList;
+
 // Direction defines
 #define NORTH   0
 #define SOUTH   1