SUPERNOVA: Add saving/loading of playtime

2 files changed, 7 insertions, 0 deletions

diff --git a/engines/supernova/detection.cpp b/engines/supernova/detection.cpp
index b587dbb623..bf7d6bf177 100644
--- a/engines/supernova/detection.cpp
+++ b/engines/supernova/detection.cpp
@@ -101,6 +101,7 @@ bool SupernovaMetaEngine::hasFeature(MetaEngineFeature f) const {
 		// fallthrough
 	case kSavesSupportCreationDate:
 		// fallthrough
+	case kSavesSupportPlayTime:
 		return true;
 	default:
 		return false;
@@ -187,6 +188,8 @@ SaveStateDescriptor SupernovaMetaEngine::querySaveMetaInfos(const char *target,
 		int minutes = saveTime & 0xFF;
 		desc.setSaveTime(hour, minutes);
 
+		uint32 playTime =savefile->readUint32LE();
+		desc.setPlayTime(playTime * 1000);
 
 		if (Graphics::checkThumbnailHeader(*savefile)) {
 			Graphics::Surface *const thumbnail = Graphics::loadThumbnail(*savefile);
diff --git a/engines/supernova/supernova.cpp b/engines/supernova/supernova.cpp
index ad5d8af501..9526481fdf 100644
--- a/engines/supernova/supernova.cpp
+++ b/engines/supernova/supernova.cpp
@@ -148,6 +148,8 @@ Common::Error SupernovaEngine::run() {
 	CursorMan.replaceCursorPalette(initVGAPalette, 0, 16);
 	CursorMan.showMouse(true);
 
+	setTotalPlayTime(0);
+
 	int saveSlot = ConfMan.getInt("save_slot");
 	if (saveSlot >= 0) {
 		if (loadGameState(saveSlot).getCode() != Common::kNoError)
@@ -837,6 +839,7 @@ bool SupernovaEngine::loadGame(int slot) {
 	int descriptionSize = savefile->readSint16LE();
 	savefile->skip(descriptionSize);
 	savefile->skip(6);
+	setTotalPlayTime(savefile->readUint32LE() * 1000);
 	Graphics::skipThumbnail(*savefile);
 	_gm->deserialize(savefile);
 
@@ -866,6 +869,7 @@ bool SupernovaEngine::saveGame(int slot, const Common::String &description) {
 	savefile->write(description.c_str(), description.size() + 1);
 	savefile->writeUint32LE(saveDate);
 	savefile->writeUint16LE(saveTime);
+	savefile->writeUint32LE(getTotalPlayTime() / 1000);
 	Graphics::saveThumbnail(*savefile);
 	_gm->serialize(savefile);