TITANIC: Don't allow saving during the Doorbot prologue

This works around a bug in the original where if you saved immediately
after getting the PET, the savegame would put in in an invalid state

2 files changed, 22 insertions, 0 deletions

diff --git a/engines/titanic/core/game_object.cpp b/engines/titanic/core/game_object.cpp
index 3286a6c7ee..3d9fede6c1 100644
--- a/engines/titanic/core/game_object.cpp
+++ b/engines/titanic/core/game_object.cpp
@@ -589,6 +589,18 @@ void CGameObject::petHide() {
 	}
 }
 
+void CGameObject::petIncAreaLocks() {
+	CPetControl *pet = getPetControl();
+	if (pet)
+		pet->incAreaLocks();
+}
+
+void CGameObject::petDecAreaLocks() {
+	CPetControl *pet = getPetControl();
+	if (pet)
+		pet->decAreaLocks();
+}
+
 void CGameObject::petSetRemoteTarget() {
 	CPetControl *pet = getPetControl();
 	if (pet)
diff --git a/engines/titanic/core/game_object.h b/engines/titanic/core/game_object.h
index d4befa8fc8..0c946623ac 100644
--- a/engines/titanic/core/game_object.h
+++ b/engines/titanic/core/game_object.h
@@ -934,6 +934,16 @@ public:
 	void petShow();
 
 	/**
+	 * Increment the number of PET area (tab) locks
+	 */
+	void petIncAreaLocks();
+
+	/**
+	 * Decrement the number of PET area (tab) locks
+	 */
+	void petDecAreaLocks();
+
+	/**
 	 * Shows the text cursor in the current section, if applicable
 	 */
 	void petShowCursor();