Made the autosave period a configuration option and updated the engines using that feature (SCUMM, Queen and Sky). The value is supposed to be in seconds ; if it's set to 0 then autosaving is disabled. See also tracker item #1350187.

svn-id: r19700

1 files changed, 7 insertions, 0 deletions

diff --git a/base/engine.cpp b/base/engine.cpp
index d508ef35f3..4ef1bb4b31 100644
--- a/base/engine.cpp
+++ b/base/engine.cpp
@@ -46,6 +46,8 @@ Engine::Engine(OSystem *syst)
 	Common::File::addDefaultDirectory(_gameDataPath);
 
 	_saveFileMan = _system->getSavefileManager();
+
+	_autosavePeriod = ConfMan.getInt("autosave_period");
 }
 
 Engine::~Engine() {
@@ -136,6 +138,11 @@ void Engine::checkCD() {
 #endif
 }
 
+bool Engine::shouldPerformAutoSave(int lastSaveTime) {
+	const int diff = _system->getMillis() - lastSaveTime;
+	return _autosavePeriod != 0 && diff > _autosavePeriod * 1000;
+}
+
 const char *Engine::getGameDataPath() const {
 	return _gameDataPath.c_str();
 }