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.

1 files changed, 3 insertions, 0 deletions

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);