ALL: Make simpleSaveNames() a MetaEngineFeature

Added it into hasFeature() of all engines which returned `true` in
simpleSaveNames() before.

As mentioned in #788, SCI is not always using simple names, so it
doesn't have such feature now.

1 files changed, 2 insertions, 4 deletions

diff --git a/engines/cge/detection.cpp b/engines/cge/detection.cpp
index eb88b6cd79..0df1e8711e 100644
--- a/engines/cge/detection.cpp
+++ b/engines/cge/detection.cpp
@@ -131,7 +131,6 @@ public:
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
 	virtual int getMaximumSaveSlot() const;
 	virtual SaveStateList listSaves(const char *target) const;
-	virtual bool simpleSaveNames() const;
 	SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
 	virtual void removeSaveState(const char *target, int slot) const;
 };
@@ -181,7 +180,8 @@ bool CGEMetaEngine::hasFeature(MetaEngineFeature f) const {
 	    (f == kSupportsDeleteSave) ||
 	    (f == kSavesSupportMetaInfo) ||
 	    (f == kSavesSupportThumbnail) ||
-	    (f == kSavesSupportCreationDate);
+	    (f == kSavesSupportCreationDate) ||
+		(f == kSimpleSavesNames);
 }
 
 void CGEMetaEngine::removeSaveState(const char *target, int slot) const {
@@ -240,8 +240,6 @@ SaveStateList CGEMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
-bool CGEMetaEngine::simpleSaveNames() const { return true; }
-
 SaveStateDescriptor CGEMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
 	Common::String fileName = Common::String::format("%s.%03d", target, slot);
 	Common::InSaveFile *f = g_system->getSavefileManager()->openForLoading(fileName);