ALL: Add MetaEngine::simpleSaveNames()

Engines with "simple" savenames would support "Run in background" in
save/load dialog and gradual save slots unlocking. Other engines
save/load feature would be locked until save sync is over.

51 files changed, 154 insertions, 11 deletions

diff --git a/engines/access/detection.cpp b/engines/access/detection.cpp
index 368753f117..435f0d1118 100644
--- a/engines/access/detection.cpp
+++ b/engines/access/detection.cpp
@@ -100,6 +100,7 @@ public:
 	virtual bool hasFeature(MetaEngineFeature f) const;
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) 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;
@@ -171,6 +172,8 @@ SaveStateList AccessMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool AccessMetaEngine::simpleSaveNames() const { return true; }
+
 int AccessMetaEngine::getMaximumSaveSlot() const {
 	return MAX_SAVES;
 }
diff --git a/engines/adl/detection.cpp b/engines/adl/detection.cpp
index 4bdb722af3..7031a58ec4 100644
--- a/engines/adl/detection.cpp
+++ b/engines/adl/detection.cpp
@@ -175,6 +175,7 @@ public:
 	SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
 	int getMaximumSaveSlot() const { return 'O' - 'A'; }
 	SaveStateList listSaves(const char *target) const;
+	virtual bool simpleSaveNames() const;
 	void removeSaveState(const char *target, int slot) const;
 
 	bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *gd) const;
@@ -289,6 +290,8 @@ SaveStateList AdlMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool AdlMetaEngine::simpleSaveNames() const { return true; }
+
 void AdlMetaEngine::removeSaveState(const char *target, int slot) const {
 	Common::String fileName = Common::String::format("%s.s%02d", target, slot);
 	g_system->getSavefileManager()->removeSavefile(fileName);
diff --git a/engines/agi/detection.cpp b/engines/agi/detection.cpp
index 9f66d78d80..dc0dbbdddf 100644
--- a/engines/agi/detection.cpp
+++ b/engines/agi/detection.cpp
@@ -216,6 +216,7 @@ public:
 	virtual bool hasFeature(MetaEngineFeature f) const;
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) 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;
@@ -323,6 +324,8 @@ SaveStateList AgiMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool AgiMetaEngine::simpleSaveNames() const { return true; }
+
 int AgiMetaEngine::getMaximumSaveSlot() const { return 999; }
 
 void AgiMetaEngine::removeSaveState(const char *target, int slot) const {
diff --git a/engines/agos/detection.cpp b/engines/agos/detection.cpp
index 2c89522089..dc96eb6ef6 100644
--- a/engines/agos/detection.cpp
+++ b/engines/agos/detection.cpp
@@ -120,6 +120,7 @@ public:
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
 
 	virtual SaveStateList listSaves(const char *target) const;
+	virtual bool simpleSaveNames() const;
 	virtual int getMaximumSaveSlot() const;
 };
 
@@ -207,6 +208,8 @@ SaveStateList AgosMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool AgosMetaEngine::simpleSaveNames() const { return true; }
+
 int AgosMetaEngine::getMaximumSaveSlot() const { return 999; }
 
 #if PLUGIN_ENABLED_DYNAMIC(AGOS)
diff --git a/engines/avalanche/detection.cpp b/engines/avalanche/detection.cpp
index e35c5d2cac..392d0a027f 100644
--- a/engines/avalanche/detection.cpp
+++ b/engines/avalanche/detection.cpp
@@ -83,6 +83,7 @@ public:
 
 	int getMaximumSaveSlot() const { return 99; }
 	SaveStateList listSaves(const char *target) const;
+	virtual bool simpleSaveNames() const;
 	void removeSaveState(const char *target, int slot) const;
 	SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
 };
@@ -156,6 +157,8 @@ SaveStateList AvalancheMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool AvalancheMetaEngine::simpleSaveNames() const { return true; }
+
 void AvalancheMetaEngine::removeSaveState(const char *target, int slot) const {
 	Common::String fileName = Common::String::format("%s.%03d", target, slot);
 	g_system->getSavefileManager()->removeSavefile(fileName);
diff --git a/engines/bbvs/detection.cpp b/engines/bbvs/detection.cpp
index 7c0045ee73..9aca719648 100644
--- a/engines/bbvs/detection.cpp
+++ b/engines/bbvs/detection.cpp
@@ -86,6 +86,7 @@ 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;
 };
@@ -135,6 +136,8 @@ SaveStateList BbvsMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool BbvsMetaEngine::simpleSaveNames() const { return true; }
+
 SaveStateDescriptor BbvsMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
 	Common::String filename = Bbvs::BbvsEngine::getSavegameFilename(target, slot);
 	Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(filename.c_str());
diff --git a/engines/cge/detection.cpp b/engines/cge/detection.cpp
index 0c79be51d9..eb88b6cd79 100644
--- a/engines/cge/detection.cpp
+++ b/engines/cge/detection.cpp
@@ -131,7 +131,7 @@ public:
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
 	virtual int getMaximumSaveSlot() const;
 	virtual SaveStateList listSaves(const char *target) const;
-	virtual Common::String getSavefilesPattern(Common::String &target) const;
+	virtual bool simpleSaveNames() const;
 	SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
 	virtual void removeSaveState(const char *target, int slot) const;
 };
@@ -240,9 +240,7 @@ SaveStateList CGEMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
-Common::String CGEMetaEngine::getSavefilesPattern(Common::String &target) const {
-	return target + ".###";
-}
+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);
diff --git a/engines/cge2/detection.cpp b/engines/cge2/detection.cpp
index 2b84d167c7..d980f82b0d 100644
--- a/engines/cge2/detection.cpp
+++ b/engines/cge2/detection.cpp
@@ -127,6 +127,7 @@ public:
 	virtual bool hasFeature(MetaEngineFeature f) 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;
 };
@@ -239,6 +240,8 @@ SaveStateList CGE2MetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool CGE2MetaEngine::simpleSaveNames() const { return true; }
+
 SaveStateDescriptor CGE2MetaEngine::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);
diff --git a/engines/cine/detection.cpp b/engines/cine/detection.cpp
index ec01e8734d..2d10b81473 100644
--- a/engines/cine/detection.cpp
+++ b/engines/cine/detection.cpp
@@ -104,6 +104,7 @@ public:
 
 	virtual bool hasFeature(MetaEngineFeature f) 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;
 };
@@ -173,6 +174,8 @@ SaveStateList CineMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool CineMetaEngine::simpleSaveNames() const { return false; }
+
 int CineMetaEngine::getMaximumSaveSlot() const { return 9; }
 
 void CineMetaEngine::removeSaveState(const char *target, int slot) const {
diff --git a/engines/cruise/detection.cpp b/engines/cruise/detection.cpp
index 6f5d236173..9e3ebb5dd5 100644
--- a/engines/cruise/detection.cpp
+++ b/engines/cruise/detection.cpp
@@ -211,6 +211,7 @@ public:
 	virtual bool hasFeature(MetaEngineFeature f) const;
 	virtual int getMaximumSaveSlot() const { return 99; }
 	virtual SaveStateList listSaves(const char *target) const;
+	virtual bool simpleSaveNames() const;
 	virtual void removeSaveState(const char *target, int slot) const;
 	virtual SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
@@ -254,6 +255,8 @@ SaveStateList CruiseMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool CruiseMetaEngine::simpleSaveNames() const { return false; }
+
 void CruiseMetaEngine::removeSaveState(const char *target, int slot) const {
 	g_system->getSavefileManager()->removeSavefile(Cruise::CruiseEngine::getSavegameFile(slot));
 }
diff --git a/engines/draci/detection.cpp b/engines/draci/detection.cpp
index 65427bd8cd..8a67981696 100644
--- a/engines/draci/detection.cpp
+++ b/engines/draci/detection.cpp
@@ -98,6 +98,7 @@ public:
 	virtual bool hasFeature(MetaEngineFeature f) const;
 	virtual int getMaximumSaveSlot() const { return 99; }
 	virtual SaveStateList listSaves(const char *target) const;
+	virtual bool simpleSaveNames() const;
 	virtual void removeSaveState(const char *target, int slot) const;
 	virtual SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
@@ -147,6 +148,8 @@ SaveStateList DraciMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool DraciMetaEngine::simpleSaveNames() const { return false; }
+
 void DraciMetaEngine::removeSaveState(const char *target, int slot) const {
 	g_system->getSavefileManager()->removeSavefile(Draci::DraciEngine::getSavegameFile(slot));
 }
diff --git a/engines/drascula/detection.cpp b/engines/drascula/detection.cpp
index ffec393a0a..863ea98786 100644
--- a/engines/drascula/detection.cpp
+++ b/engines/drascula/detection.cpp
@@ -326,6 +326,7 @@ 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;
@@ -382,6 +383,8 @@ 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);
 
diff --git a/engines/dreamweb/detection.cpp b/engines/dreamweb/detection.cpp
index 8e24c44702..abe1198233 100644
--- a/engines/dreamweb/detection.cpp
+++ b/engines/dreamweb/detection.cpp
@@ -86,6 +86,7 @@ public:
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
 	virtual bool hasFeature(MetaEngineFeature f) 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;
@@ -151,6 +152,8 @@ SaveStateList DreamWebMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool DreamWebMetaEngine::simpleSaveNames() const { return false; }
+
 int DreamWebMetaEngine::getMaximumSaveSlot() const { return 99; }
 
 void DreamWebMetaEngine::removeSaveState(const char *target, int slot) const {
diff --git a/engines/fullpipe/detection.cpp b/engines/fullpipe/detection.cpp
index 6f92f19f24..a183be8a83 100644
--- a/engines/fullpipe/detection.cpp
+++ b/engines/fullpipe/detection.cpp
@@ -90,6 +90,7 @@ public:
 	virtual bool hasFeature(MetaEngineFeature f) const;
 	virtual int getMaximumSaveSlot() const { return 8; }
 	virtual SaveStateList listSaves(const char *target) const;
+	virtual bool simpleSaveNames() const;
 	virtual void removeSaveState(const char *target, int slot) const;
 	virtual SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
@@ -134,6 +135,8 @@ SaveStateList FullpipeMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool FullpipeMetaEngine::simpleSaveNames() const { return false; }
+
 void FullpipeMetaEngine::removeSaveState(const char *target, int slot) const {
 	g_system->getSavefileManager()->removeSavefile(Fullpipe::getSavegameFile(slot));
 }
diff --git a/engines/gnap/detection.cpp b/engines/gnap/detection.cpp
index 7e4ab56d1f..523a8b6d1c 100644
--- a/engines/gnap/detection.cpp
+++ b/engines/gnap/detection.cpp
@@ -78,6 +78,7 @@ 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;
 };
@@ -141,6 +142,8 @@ SaveStateList GnapMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool GnapMetaEngine::simpleSaveNames() const { return true; }
+
 SaveStateDescriptor GnapMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
 	Common::String fileName = Common::String::format("%s.%03d", target, slot);
 	Common::InSaveFile *file = g_system->getSavefileManager()->openForLoading(fileName);
diff --git a/engines/groovie/detection.cpp b/engines/groovie/detection.cpp
index b12e264a57..22ced10b8a 100644
--- a/engines/groovie/detection.cpp
+++ b/engines/groovie/detection.cpp
@@ -352,6 +352,7 @@ public:
 
 	bool hasFeature(MetaEngineFeature f) const;
 	SaveStateList listSaves(const char *target) const;
+	virtual bool simpleSaveNames() const;
 	int getMaximumSaveSlot() const;
 	void removeSaveState(const char *target, int slot) const;
 	SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
@@ -376,6 +377,8 @@ SaveStateList GroovieMetaEngine::listSaves(const char *target) const {
 	return SaveLoad::listValidSaves(target);
 }
 
+bool GroovieMetaEngine::simpleSaveNames() const { return false; }
+
 int GroovieMetaEngine::getMaximumSaveSlot() const {
 	return SaveLoad::getMaximumSlot();
 }
diff --git a/engines/hopkins/detection.cpp b/engines/hopkins/detection.cpp
index cfdbf8030c..84af4fcdf3 100644
--- a/engines/hopkins/detection.cpp
+++ b/engines/hopkins/detection.cpp
@@ -117,6 +117,7 @@ public:
 	virtual bool hasFeature(MetaEngineFeature f) const;
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) 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;
@@ -182,6 +183,8 @@ SaveStateList HopkinsMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool HopkinsMetaEngine::simpleSaveNames() const { return true; }
+
 int HopkinsMetaEngine::getMaximumSaveSlot() const {
 	return MAX_SAVES;
 }
diff --git a/engines/hugo/detection.cpp b/engines/hugo/detection.cpp
index 4e4746c002..ed67eae416 100644
--- a/engines/hugo/detection.cpp
+++ b/engines/hugo/detection.cpp
@@ -149,6 +149,7 @@ public:
 
 	int getMaximumSaveSlot() const;
 	SaveStateList listSaves(const char *target) const;
+	virtual bool simpleSaveNames() const;
 	SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
 	void removeSaveState(const char *target, int slot) const;
 };
@@ -221,6 +222,8 @@ SaveStateList HugoMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool HugoMetaEngine::simpleSaveNames() const { return false; }
+
 SaveStateDescriptor HugoMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
 	Common::String fileName = Common::String::format("%s-%02d.SAV", target, slot);
 	Common::InSaveFile *file = g_system->getSavefileManager()->openForLoading(fileName);
diff --git a/engines/kyra/detection.cpp b/engines/kyra/detection.cpp
index 989a45b420..1dcfd08435 100644
--- a/engines/kyra/detection.cpp
+++ b/engines/kyra/detection.cpp
@@ -162,6 +162,7 @@ public:
 	bool hasFeature(MetaEngineFeature f) const;
 	bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
 	SaveStateList listSaves(const char *target) const;
+	virtual bool simpleSaveNames() const;
 	virtual int getMaximumSaveSlot() const;
 	void removeSaveState(const char *target, int slot) const;
 	SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
@@ -273,6 +274,8 @@ SaveStateList KyraMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool KyraMetaEngine::simpleSaveNames() const { return true; }
+
 int KyraMetaEngine::getMaximumSaveSlot() const {
 	return 999;
 }
diff --git a/engines/lab/detection.cpp b/engines/lab/detection.cpp
index 30890b5acf..2b2e57df22 100644
--- a/engines/lab/detection.cpp
+++ b/engines/lab/detection.cpp
@@ -138,6 +138,7 @@ public:
 
 	virtual bool hasFeature(MetaEngineFeature f) const;
 	SaveStateList listSaves(const char *target) const;
+	virtual bool simpleSaveNames() const;
 	virtual int getMaximumSaveSlot() const;
 	void removeSaveState(const char *target, int slot) const;
 	SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
@@ -191,6 +192,8 @@ SaveStateList LabMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool LabMetaEngine::simpleSaveNames() const { return true; }
+
 int LabMetaEngine::getMaximumSaveSlot() const {
 	return 999;
 }
diff --git a/engines/lure/detection.cpp b/engines/lure/detection.cpp
index 690a358bc3..808cea4422 100644
--- a/engines/lure/detection.cpp
+++ b/engines/lure/detection.cpp
@@ -212,6 +212,7 @@ public:
 	virtual bool hasFeature(MetaEngineFeature f) const;
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) 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;
 };
@@ -266,6 +267,8 @@ SaveStateList LureMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool LureMetaEngine::simpleSaveNames() const { return false; }
+
 int LureMetaEngine::getMaximumSaveSlot() const { return 999; }
 
 void LureMetaEngine::removeSaveState(const char *target, int slot) const {
diff --git a/engines/mads/detection.cpp b/engines/mads/detection.cpp
index 4736503a38..d5354c4883 100644
--- a/engines/mads/detection.cpp
+++ b/engines/mads/detection.cpp
@@ -155,6 +155,7 @@ public:
 	virtual bool hasFeature(MetaEngineFeature f) const;
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) 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;
@@ -217,6 +218,8 @@ SaveStateList MADSMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool MADSMetaEngine::simpleSaveNames() const { return true; }
+
 int MADSMetaEngine::getMaximumSaveSlot() const {
 	return MAX_SAVES;
 }
diff --git a/engines/metaengine.h b/engines/metaengine.h
index 913f61d280..6afb122580 100644
--- a/engines/metaengine.h
+++ b/engines/metaengine.h
@@ -116,14 +116,18 @@ public:
 	}
 
 	/**
-	* Return a common pattern which all engine's save filenames should match.
+	* Return whether engine's saves could be detected with
+	* "<target>.###" pattern and "###" corresponds to slot
+	* number.
 	*
-	* @param target	name of a config manager target
-	* @return			a pattern for filenames
+	* If that's not true or engine is using some unusual way
+	* of detecting saves and slot numbers, this should return
+	* false. In that case Save/Load dialog would be unavailable
+	* during cloud saves sync.
+	*
+	* @return	true, if "<target>.###" is OK for this engine
 	*/
-	virtual Common::String getSavefilesPattern(Common::String &target) const {
-		return target + ".s##";
-	}
+	virtual bool simpleSaveNames() const { return false; }
 
 	/**
 	 * Return a list of extra GUI options for the specified target.
diff --git a/engines/mohawk/detection.cpp b/engines/mohawk/detection.cpp
index 246d3ec3c1..d3c44a8944 100644
--- a/engines/mohawk/detection.cpp
+++ b/engines/mohawk/detection.cpp
@@ -200,6 +200,7 @@ public:
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
 	virtual SaveStateList listSaves(const char *target) const;
 	SaveStateList listSavesForPrefix(const char *prefix, const char *extension) const;
+	virtual bool simpleSaveNames() const;
 	virtual int getMaximumSaveSlot() const { return 999; }
 	virtual void removeSaveState(const char *target, int slot) const;
 	virtual SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
@@ -272,6 +273,8 @@ SaveStateList MohawkMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool MohawkMetaEngine::simpleSaveNames() const { return false; }
+
 void MohawkMetaEngine::removeSaveState(const char *target, int slot) const {
 
 	// Removing saved games is only supported in Myst/Riven currently.
diff --git a/engines/mortevielle/detection.cpp b/engines/mortevielle/detection.cpp
index 6791707dd5..2f5a790486 100644
--- a/engines/mortevielle/detection.cpp
+++ b/engines/mortevielle/detection.cpp
@@ -72,6 +72,7 @@ public:
 	virtual bool hasFeature(MetaEngineFeature f) const;
 	virtual int getMaximumSaveSlot() const;
 	virtual SaveStateList listSaves(const char *target) const;
+	virtual bool simpleSaveNames() const;
 	virtual SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
 };
 
@@ -102,6 +103,8 @@ SaveStateList MortevielleMetaEngine::listSaves(const char *target) const {
 	return Mortevielle::SavegameManager::listSaves(target);
 }
 
+bool MortevielleMetaEngine::simpleSaveNames() const { return true; }
+
 SaveStateDescriptor MortevielleMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
 	Common::String filename = Mortevielle::MortevielleEngine::generateSaveFilename(target, slot);
 	return Mortevielle::SavegameManager::querySaveMetaInfos(filename);
diff --git a/engines/neverhood/detection.cpp b/engines/neverhood/detection.cpp
index 0f409a6435..903c4377e0 100644
--- a/engines/neverhood/detection.cpp
+++ b/engines/neverhood/detection.cpp
@@ -214,6 +214,7 @@ public:
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
 	virtual const ExtraGuiOptions getExtraGuiOptions(const Common::String &target) const;
 	SaveStateList listSaves(const char *target) const;
+	virtual bool simpleSaveNames() const;
 	virtual int getMaximumSaveSlot() const;
 	void removeSaveState(const char *target, int slot) const;
 	SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
@@ -283,6 +284,8 @@ SaveStateList NeverhoodMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool NeverhoodMetaEngine::simpleSaveNames() const { return true; }
+
 int NeverhoodMetaEngine::getMaximumSaveSlot() const {
 	return 999;
 }
diff --git a/engines/parallaction/detection.cpp b/engines/parallaction/detection.cpp
index 4c52990874..989fc9dfc8 100644
--- a/engines/parallaction/detection.cpp
+++ b/engines/parallaction/detection.cpp
@@ -234,6 +234,7 @@ public:
 	virtual bool hasFeature(MetaEngineFeature f) const;
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) 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;
 };
@@ -294,6 +295,8 @@ SaveStateList ParallactionMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool ParallactionMetaEngine::simpleSaveNames() const { return false; }
+
 int ParallactionMetaEngine::getMaximumSaveSlot() const { return 99; }
 
 void ParallactionMetaEngine::removeSaveState(const char *target, int slot) const {
diff --git a/engines/pegasus/detection.cpp b/engines/pegasus/detection.cpp
index 161a133c8b..54cb4ca525 100644
--- a/engines/pegasus/detection.cpp
+++ b/engines/pegasus/detection.cpp
@@ -148,6 +148,7 @@ public:
 	virtual bool hasFeature(MetaEngineFeature f) const;
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
 	virtual SaveStateList listSaves(const char *target) const;
+	virtual bool simpleSaveNames() const;
 	virtual int getMaximumSaveSlot() const { return 999; }
 	virtual void removeSaveState(const char *target, int slot) const;
 };
@@ -178,6 +179,8 @@ SaveStateList PegasusMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool PegasusMetaEngine::simpleSaveNames() const { return false; }
+
 void PegasusMetaEngine::removeSaveState(const char *target, int slot) const {
 	// See listSaves() for info on the pattern
 	Common::StringArray fileNames = Pegasus::PegasusEngine::listSaveFiles();
diff --git a/engines/prince/detection.h b/engines/prince/detection.h
index 3076253cf5..39cfdd96e7 100644
--- a/engines/prince/detection.h
+++ b/engines/prince/detection.h
@@ -121,6 +121,7 @@ public:
 	virtual bool hasFeature(MetaEngineFeature f) 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;
 };
diff --git a/engines/prince/saveload.cpp b/engines/prince/saveload.cpp
index d3360badd1..2855bdc4bd 100644
--- a/engines/prince/saveload.cpp
+++ b/engines/prince/saveload.cpp
@@ -105,6 +105,8 @@ SaveStateList PrinceMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool PrinceMetaEngine::simpleSaveNames() const { return true; }
+
 SaveStateDescriptor PrinceMetaEngine::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);
diff --git a/engines/queen/detection.cpp b/engines/queen/detection.cpp
index aed8b7dcb1..3f8b97ed6a 100644
--- a/engines/queen/detection.cpp
+++ b/engines/queen/detection.cpp
@@ -444,6 +444,7 @@ public:
 	virtual bool hasFeature(MetaEngineFeature f) const;
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
 	virtual SaveStateList listSaves(const char *target) const;
+	virtual bool simpleSaveNames() const;
 	virtual int getMaximumSaveSlot() const { return 99; }
 	virtual void removeSaveState(const char *target, int slot) const;
 
@@ -529,6 +530,8 @@ SaveStateList QueenMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool QueenMetaEngine::simpleSaveNames() const { return false; }
+
 void QueenMetaEngine::removeSaveState(const char *target, int slot) const {
 	Common::String filename = Common::String::format("queen.s%02d", slot);
 
diff --git a/engines/saga/detection.cpp b/engines/saga/detection.cpp
index 0677e84d67..7f6e0a2485 100644
--- a/engines/saga/detection.cpp
+++ b/engines/saga/detection.cpp
@@ -144,6 +144,7 @@ public:
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) 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;
@@ -207,6 +208,8 @@ SaveStateList SagaMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool SagaMetaEngine::simpleSaveNames() const { return true; }
+
 int SagaMetaEngine::getMaximumSaveSlot() const { return MAX_SAVES - 1; }
 
 void SagaMetaEngine::removeSaveState(const char *target, int slot) const {
diff --git a/engines/sci/detection.cpp b/engines/sci/detection.cpp
index ad2b0f31a5..08794a0872 100644
--- a/engines/sci/detection.cpp
+++ b/engines/sci/detection.cpp
@@ -518,6 +518,7 @@ public:
 	const ADGameDescription *fallbackDetect(const FileMap &allFiles, const Common::FSList &fslist) const;
 	virtual bool hasFeature(MetaEngineFeature f) 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;
@@ -790,6 +791,8 @@ SaveStateList SciMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool SciMetaEngine::simpleSaveNames() const { return true; }
+
 SaveStateDescriptor SciMetaEngine::querySaveMetaInfos(const char *target, int slotNr) const {
 	Common::String fileName = Common::String::format("%s.%03d", target, slotNr);
 	Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(fileName);
diff --git a/engines/scumm/detection.cpp b/engines/scumm/detection.cpp
index 4c9d1221aa..67344e8008 100644
--- a/engines/scumm/detection.cpp
+++ b/engines/scumm/detection.cpp
@@ -960,6 +960,7 @@ public:
 	virtual Common::Error createInstance(OSystem *syst, Engine **engine) 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;
 	virtual SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
@@ -1299,6 +1300,8 @@ SaveStateList ScummMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool ScummMetaEngine::simpleSaveNames() const { return true; }
+
 void ScummMetaEngine::removeSaveState(const char *target, int slot) const {
 	Common::String filename = ScummEngine::makeSavegameName(target, slot, false);
 	g_system->getSavefileManager()->removeSavefile(filename);
diff --git a/engines/sherlock/detection.cpp b/engines/sherlock/detection.cpp
index 5a94b3485f..f54c6db952 100644
--- a/engines/sherlock/detection.cpp
+++ b/engines/sherlock/detection.cpp
@@ -159,6 +159,8 @@ public:
 	 */
 	virtual SaveStateList listSaves(const char *target) const;
 
+	virtual bool simpleSaveNames() const;
+
 	/**
 	 * Returns the maximum number of allowed save slots
 	 */
@@ -217,6 +219,8 @@ SaveStateList SherlockMetaEngine::listSaves(const char *target) const {
 	return Sherlock::SaveManager::getSavegameList(target);
 }
 
+bool SherlockMetaEngine::simpleSaveNames() const { return true; }
+
 int SherlockMetaEngine::getMaximumSaveSlot() const {
 	return MAX_SAVEGAME_SLOTS;
 }
diff --git a/engines/sky/detection.cpp b/engines/sky/detection.cpp
index 4b91f50a61..802687b461 100644
--- a/engines/sky/detection.cpp
+++ b/engines/sky/detection.cpp
@@ -78,12 +78,13 @@ public:
 	virtual bool hasFeature(MetaEngineFeature f) const;
 	virtual GameList getSupportedGames() const;
 	virtual const ExtraGuiOptions getExtraGuiOptions(const Common::String &target) const;
-	virtual GameDescriptor findGame(const char *gameid) const;
+	virtual GameDescriptor findGame(const char *gameid) const;	
 	virtual GameList detectGames(const Common::FSList &fslist) const;
 
 	virtual Common::Error createInstance(OSystem *syst, Engine **engine) 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;
 };
@@ -247,6 +248,8 @@ SaveStateList SkyMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool SkyMetaEngine::simpleSaveNames() const { return false; }
+
 int SkyMetaEngine::getMaximumSaveSlot() const { return MAX_SAVE_GAMES; }
 
 void SkyMetaEngine::removeSaveState(const char *target, int slot) const {
diff --git a/engines/sword1/detection.cpp b/engines/sword1/detection.cpp
index 0edf856125..d9cc3cda7f 100644
--- a/engines/sword1/detection.cpp
+++ b/engines/sword1/detection.cpp
@@ -91,6 +91,7 @@ public:
 	virtual GameDescriptor findGame(const char *gameid) const;
 	virtual GameList detectGames(const Common::FSList &fslist) 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;
@@ -263,6 +264,8 @@ SaveStateList SwordMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool SwordMetaEngine::simpleSaveNames() const { return false; }
+
 int SwordMetaEngine::getMaximumSaveSlot() const { return 999; }
 
 void SwordMetaEngine::removeSaveState(const char *target, int slot) const {
diff --git a/engines/sword2/sword2.cpp b/engines/sword2/sword2.cpp
index 44371bf6cf..3213a26e4c 100644
--- a/engines/sword2/sword2.cpp
+++ b/engines/sword2/sword2.cpp
@@ -97,6 +97,7 @@ public:
 	virtual GameDescriptor findGame(const char *gameid) const;
 	virtual GameList detectGames(const Common::FSList &fslist) 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;
 
@@ -256,6 +257,8 @@ SaveStateList Sword2MetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool Sword2MetaEngine::simpleSaveNames() const { return true; }
+
 int Sword2MetaEngine::getMaximumSaveSlot() const { return 999; }
 
 void Sword2MetaEngine::removeSaveState(const char *target, int slot) const {
diff --git a/engines/sword25/detection.cpp b/engines/sword25/detection.cpp
index c5f55b5a26..1c4544c76a 100644
--- a/engines/sword25/detection.cpp
+++ b/engines/sword25/detection.cpp
@@ -69,6 +69,7 @@ public:
 	virtual const ExtraGuiOptions getExtraGuiOptions(const Common::String &target) const;
 	virtual int getMaximumSaveSlot() const { return Sword25::PersistenceService::getSlotCount(); }
 	virtual SaveStateList listSaves(const char *target) const;
+	virtual bool simpleSaveNames() const;
 };
 
 bool Sword25MetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
@@ -109,6 +110,8 @@ SaveStateList Sword25MetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool Sword25MetaEngine::simpleSaveNames() const { return false; }
+
 #if PLUGIN_ENABLED_DYNAMIC(SWORD25)
 	REGISTER_PLUGIN_DYNAMIC(SWORD25, PLUGIN_TYPE_ENGINE, Sword25MetaEngine);
 #else
diff --git a/engines/teenagent/detection.cpp b/engines/teenagent/detection.cpp
index caa7bdbec9..a8d32e89d4 100644
--- a/engines/teenagent/detection.cpp
+++ b/engines/teenagent/detection.cpp
@@ -149,6 +149,8 @@ public:
 		return saveList;
 	}
 
+	virtual bool simpleSaveNames() const { return false; }
+
 	virtual int getMaximumSaveSlot() const {
 		return MAX_SAVES - 1;
 	}
diff --git a/engines/tinsel/detection.cpp b/engines/tinsel/detection.cpp
index c44f1f4ef3..7d8b54e5db 100644
--- a/engines/tinsel/detection.cpp
+++ b/engines/tinsel/detection.cpp
@@ -101,6 +101,7 @@ public:
 
 	virtual bool hasFeature(MetaEngineFeature f) 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;
 };
@@ -164,6 +165,8 @@ SaveStateList TinselMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool TinselMetaEngine::simpleSaveNames() const { return true; }
+
 bool TinselMetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
 	const Tinsel::TinselGameDescription *gd = (const Tinsel::TinselGameDescription *)desc;
 	if (gd) {
diff --git a/engines/toltecs/detection.cpp b/engines/toltecs/detection.cpp
index 7c707895e6..8da9106931 100644
--- a/engines/toltecs/detection.cpp
+++ b/engines/toltecs/detection.cpp
@@ -221,6 +221,7 @@ public:
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
 	virtual const ExtraGuiOptions getExtraGuiOptions(const Common::String &target) const;
 	SaveStateList listSaves(const char *target) const;
+	virtual bool simpleSaveNames() const;
 	virtual int getMaximumSaveSlot() const;
 	void removeSaveState(const char *target, int slot) const;
 	SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
@@ -288,6 +289,8 @@ SaveStateList ToltecsMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool ToltecsMetaEngine::simpleSaveNames() const { return true; }
+
 int ToltecsMetaEngine::getMaximumSaveSlot() const {
 	return 999;
 }
diff --git a/engines/tony/detection.cpp b/engines/tony/detection.cpp
index ec0b3e186b..5dda4c7caf 100644
--- a/engines/tony/detection.cpp
+++ b/engines/tony/detection.cpp
@@ -82,6 +82,7 @@ public:
 	virtual bool hasFeature(MetaEngineFeature f) const;
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) 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;
@@ -141,6 +142,8 @@ SaveStateList TonyMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool TonyMetaEngine::simpleSaveNames() const { return false; }
+
 int TonyMetaEngine::getMaximumSaveSlot() const {
 	return 99;
 }
diff --git a/engines/toon/detection.cpp b/engines/toon/detection.cpp
index 5d2e0a9bca..eac91a5595 100644
--- a/engines/toon/detection.cpp
+++ b/engines/toon/detection.cpp
@@ -148,6 +148,7 @@ 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;
 };
@@ -212,6 +213,8 @@ SaveStateList ToonMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool ToonMetaEngine::simpleSaveNames() const { return true; }
+
 SaveStateDescriptor ToonMetaEngine::querySaveMetaInfos(const char *target, int slot) const {
 	Common::String fileName = Common::String::format("%s.%03d", target, slot);
 	Common::InSaveFile *file = g_system->getSavefileManager()->openForLoading(fileName);
diff --git a/engines/touche/detection.cpp b/engines/touche/detection.cpp
index dcb58ffae6..e2737d4f2c 100644
--- a/engines/touche/detection.cpp
+++ b/engines/touche/detection.cpp
@@ -155,6 +155,7 @@ public:
 	virtual bool hasFeature(MetaEngineFeature f) const;
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) 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;
 };
@@ -210,6 +211,8 @@ SaveStateList ToucheMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool ToucheMetaEngine::simpleSaveNames() const { return false; }
+
 int ToucheMetaEngine::getMaximumSaveSlot() const {
 	return Touche::kMaxSaveStates - 1;
 }
diff --git a/engines/tsage/detection.cpp b/engines/tsage/detection.cpp
index 584ad87742..716ac4af53 100644
--- a/engines/tsage/detection.cpp
+++ b/engines/tsage/detection.cpp
@@ -145,6 +145,8 @@ public:
 		return saveList;
 	}
 
+	virtual bool simpleSaveNames() const { return true; }
+
 	virtual int getMaximumSaveSlot() const {
 		return MAX_SAVES - 1;
 	}
diff --git a/engines/tucker/detection.cpp b/engines/tucker/detection.cpp
index 2447e15d6b..227924cd28 100644
--- a/engines/tucker/detection.cpp
+++ b/engines/tucker/detection.cpp
@@ -187,6 +187,8 @@ public:
 		return saveList;
 	}
 
+	virtual bool simpleSaveNames() const { return false; }
+
 	virtual int getMaximumSaveSlot() const {
 		return Tucker::kLastSaveSlot;
 	}
diff --git a/engines/voyeur/detection.cpp b/engines/voyeur/detection.cpp
index 7b9fa6722e..76668eb370 100644
--- a/engines/voyeur/detection.cpp
+++ b/engines/voyeur/detection.cpp
@@ -81,6 +81,7 @@ public:
 	virtual bool hasFeature(MetaEngineFeature f) const;
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) 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;
@@ -143,6 +144,8 @@ SaveStateList VoyeurMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool VoyeurMetaEngine::simpleSaveNames() const { return true; }
+
 int VoyeurMetaEngine::getMaximumSaveSlot() const {
 	return MAX_SAVES;
 }
diff --git a/engines/wage/detection.cpp b/engines/wage/detection.cpp
index a27bfd7fde..1069d740f6 100644
--- a/engines/wage/detection.cpp
+++ b/engines/wage/detection.cpp
@@ -70,6 +70,7 @@ public:
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
 	virtual bool hasFeature(MetaEngineFeature f) 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;
 };
@@ -136,6 +137,8 @@ SaveStateList WageMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool WageMetaEngine::simpleSaveNames() const { return true; }
+
 int WageMetaEngine::getMaximumSaveSlot() const { return 999; }
 
 void WageMetaEngine::removeSaveState(const char *target, int slot) const {
diff --git a/engines/wintermute/detection.cpp b/engines/wintermute/detection.cpp
index 4e8eab505f..f225cd3930 100644
--- a/engines/wintermute/detection.cpp
+++ b/engines/wintermute/detection.cpp
@@ -164,6 +164,8 @@ public:
 		return saves;
 	}
 
+	virtual bool simpleSaveNames() const { return false; }
+
 	int getMaximumSaveSlot() const {
 		return 100;
 	}
diff --git a/engines/zvision/detection.cpp b/engines/zvision/detection.cpp
index cc967070d9..05dfb8b8d0 100644
--- a/engines/zvision/detection.cpp
+++ b/engines/zvision/detection.cpp
@@ -75,6 +75,7 @@ public:
 	virtual bool hasFeature(MetaEngineFeature f) const;
 	virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
 	SaveStateList listSaves(const char *target) const;
+	virtual bool simpleSaveNames() const;
 	virtual int getMaximumSaveSlot() const;
 	void removeSaveState(const char *target, int slot) const;
 	SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
@@ -159,6 +160,8 @@ SaveStateList ZVisionMetaEngine::listSaves(const char *target) const {
 	return saveList;
 }
 
+bool ZVisionMetaEngine::simpleSaveNames() const { return true; }
+
 int ZVisionMetaEngine::getMaximumSaveSlot() const {
 	return 999;
 }