MOHAWK: Further limit where Myst can be saved

svn-id: r54812

2 files changed, 22 insertions, 2 deletions

diff --git a/engines/mohawk/myst.cpp b/engines/mohawk/myst.cpp
index ed92f6081e..e9661f54df 100644
--- a/engines/mohawk/myst.cpp
+++ b/engines/mohawk/myst.cpp
@@ -1079,4 +1079,24 @@ Common::Error MohawkEngine_Myst::saveGameState(int slot, const char *desc) {
 	return _saveLoad->saveGame(Common::String(desc)) ? Common::kNoError : Common::kUnknownError;
 }
 
+bool MohawkEngine_Myst::canLoadGameStateCurrently() {
+	// No loading in the demo/makingof
+	return !(getFeatures() & GF_DEMO) && getGameType() != GType_MAKINGOF;
+}
+
+bool MohawkEngine_Myst::canSaveGameStateCurrently() {
+	// There's a limited number of stacks the game can save in
+	switch (_curStack) {
+	case kChannelwoodStack:
+	case kDniStack:
+	case kMechanicalStack:
+	case kMystStack:
+	case kSeleniticStack:
+	case kStoneshipStack:
+		return true;
+	}
+
+	return false;
+}
+
 } // End of namespace Mohawk
diff --git a/engines/mohawk/myst.h b/engines/mohawk/myst.h
index 73be28d393..3601cc3f03 100644
--- a/engines/mohawk/myst.h
+++ b/engines/mohawk/myst.h
@@ -191,8 +191,8 @@ public:
 
 	GUI::Debugger *getDebugger() { return _console; }
 
-	bool canLoadGameStateCurrently() { return !(getFeatures() & GF_DEMO); }
-	bool canSaveGameStateCurrently() { return !(getFeatures() & GF_DEMO); }
+	bool canLoadGameStateCurrently();
+	bool canSaveGameStateCurrently();
 	Common::Error loadGameState(int slot);
 	Common::Error saveGameState(int slot, const char *desc);
 	bool hasFeature(EngineFeature f) const;