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/drascula/detection.cpp b/engines/drascula/detection.cpp
index 863ea98786..3bc8069b76 100644
--- a/engines/drascula/detection.cpp
+++ b/engines/drascula/detection.cpp
@@ -326,7 +326,6 @@ public:
 	virtual bool hasFeature(MetaEngineFeature f) const;
 	virtual const ExtraGuiOptions getExtraGuiOptions(const Common::String &target) const;
 	virtual SaveStateList listSaves(const char *target) const;
-	virtual bool simpleSaveNames() const;
 	virtual int getMaximumSaveSlot() const;
 	virtual void removeSaveState(const char *target, int slot) const;
 	SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
@@ -340,7 +339,8 @@ bool DrasculaMetaEngine::hasFeature(MetaEngineFeature f) const {
 		(f == kSavesSupportMetaInfo) ||
 		(f == kSavesSupportThumbnail) ||
 		(f == kSavesSupportCreationDate) ||
-		(f == kSavesSupportPlayTime);
+		(f == kSavesSupportPlayTime) ||
+		(f == kSimpleSavesNames);
 }
 
 const ExtraGuiOptions DrasculaMetaEngine::getExtraGuiOptions(const Common::String &target) const {
@@ -383,8 +383,6 @@ SaveStateList DrasculaMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
-bool DrasculaMetaEngine::simpleSaveNames() const { return true; }
-
 SaveStateDescriptor DrasculaMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
 	Common::String fileName = Common::String::format("%s.%03d", target, slot);