SHERLOCK: RT: Disable Loading from GMM During Prolog or Credits.

Loading from the GMM during the prolog resulted in the mouse cursor
getting stuck hidden and possibly other game state issues, so best to
disable loading in these cases as already was done for saving.

This fixes bug Trac #10746.

2 files changed, 10 insertions, 0 deletions

diff --git a/engines/sherlock/tattoo/tattoo.cpp b/engines/sherlock/tattoo/tattoo.cpp
index 38466a9459..a0f792dea9 100644
--- a/engines/sherlock/tattoo/tattoo.cpp
+++ b/engines/sherlock/tattoo/tattoo.cpp
@@ -204,6 +204,11 @@ void TattooEngine::saveConfig() {
 	ConfMan.flushToDisk();
 }
 
+bool TattooEngine::canLoadGameStateCurrently() {
+	TattooUserInterface &ui = *(TattooUserInterface *)_ui;
+	return _canLoadSave && !ui._creditsWidget.active() && !_runningProlog;
+}
+
 bool TattooEngine::canSaveGameStateCurrently() {
 	TattooUserInterface &ui = *(TattooUserInterface *)_ui;
 	return _canLoadSave && !ui._creditsWidget.active() && !_runningProlog;
diff --git a/engines/sherlock/tattoo/tattoo.h b/engines/sherlock/tattoo/tattoo.h
index 71872ab1b9..eff8734d62 100644
--- a/engines/sherlock/tattoo/tattoo.h
+++ b/engines/sherlock/tattoo/tattoo.h
@@ -103,6 +103,11 @@ public:
 	virtual void saveConfig();
 
 	/**
+	 * Returns true if a savegame can be loaded
+	 */
+	virtual bool canLoadGameStateCurrently();
+
+	/**
 	 * Returns true if the game can be saved
 	 */
 	virtual bool canSaveGameStateCurrently();