SUPERNOVA: Implement autosave used for dream sequence

6 files changed, 15 insertions, 17 deletions

diff --git a/engines/supernova/msn_def.h b/engines/supernova/msn_def.h
index 19a4417352..4a5cdbf46f 100644
--- a/engines/supernova/msn_def.h
+++ b/engines/supernova/msn_def.h
@@ -37,6 +37,8 @@ const int kMaxDialog = 2;
 const int kMaxObject = 25;
 const int kMaxCarry = 30;
 
+const int kSleepAutosaveSlot = 999;
+
 //const int kRoomsChap0 =  1;
 //const int kRoomsChap1 = 16;
 //const int kRoomsChap2 =  9;
diff --git a/engines/supernova/rooms.cpp b/engines/supernova/rooms.cpp
index 92d216af43..d660739238 100644
--- a/engines/supernova/rooms.cpp
+++ b/engines/supernova/rooms.cpp
@@ -698,8 +698,8 @@ bool ShipSleepCabin::interact(Action verb, Object &obj1, Object &obj2) {
 			}
 			if (_gm->_state._arrivalDaysLeft == 0) {
 				_gm->saveTime();
-				if (!_gm->saveGame(-2))
-					_gm->errorTemp();
+				if (!_vm->saveGame(kSleepAutosaveSlot, "Sleep autosave"))
+					_vm->errorTempSave(true);
 				_gm->_state._dream = true;
 				_gm->loadTime();
 			}
@@ -2238,10 +2238,8 @@ bool ArsanoMeetup2::interact(Action verb, Object &obj1, Object &obj2) {
 				_vm->paletteFadeOut();
 				g_system->fillScreen(kColorBlack);
 				_gm->_state._dream = false;
-				// TODO:
-				// The original at this points loads a savegame from "MSN.TMP"
-				// which is provided with the data file.
-//				if (!load_game(-2)) error_temp();
+				if (!_vm->loadGame(kSleepAutosaveSlot))
+					_vm->errorTempSave(false);
 				_gm->loadTime();
 				_gm->_rooms[CAVE]->getObject(1)->_exitRoom = MEETUP3;
 				_gm->_state._dream = true;
diff --git a/engines/supernova/state.cpp b/engines/supernova/state.cpp
index 3450cdf476..7cf4294c20 100644
--- a/engines/supernova/state.cpp
+++ b/engines/supernova/state.cpp
@@ -1197,19 +1197,10 @@ void GameManager::roomBrightness() {
 	_vm->paletteBrightness();
 }
 
-bool GameManager::saveGame(int number) {
-	warning("STUB: savegame %d", number);
-	return false;
-}
-
 void GameManager::changeRoom(RoomID id) {
 	_currentRoom = _rooms[id];
 }
 
-void GameManager::errorTemp() {
-	warning("STUB: errorTemp");
-}
-
 void GameManager::wait2(int ticks) {
 	int32 end = _state._time + ticksToMsec(ticks);
 	do {
diff --git a/engines/supernova/state.h b/engines/supernova/state.h
index 8a3e6bf02b..bd08371372 100644
--- a/engines/supernova/state.h
+++ b/engines/supernova/state.h
@@ -163,8 +163,6 @@ public:
 	void turnOff();
 	void turnOn();
 	void screenShake();
-	bool saveGame(int number);
-	void errorTemp();
 	void roomBrightness();
 	void showMenu();
 	void animationOff();
diff --git a/engines/supernova/supernova.cpp b/engines/supernova/supernova.cpp
index 64a06c2ce2..6a2327acf7 100644
--- a/engines/supernova/supernova.cpp
+++ b/engines/supernova/supernova.cpp
@@ -1060,6 +1060,14 @@ bool SupernovaEngine::saveGame(int slot, const Common::String &description) {
 	return true;
 }
 
+void SupernovaEngine::errorTempSave(bool saving) {
+	// TODO: At this point the engine should terminate with the error
+	// "Failed to save temporary game state. Make sure your save game directory "
+	// "is set in scummvm and that you can write to it."
+	// or
+	// "Failed to load temporary game state."
+	warning("STUB: errorTempSave");
+}
 
 ScreenBufferStack::ScreenBufferStack()
 	: _last(_buffer) {
diff --git a/engines/supernova/supernova.h b/engines/supernova/supernova.h
index 6cc7b0c0fb..eeb518efd1 100644
--- a/engines/supernova/supernova.h
+++ b/engines/supernova/supernova.h
@@ -145,6 +145,7 @@ public:
 	void command_print();
 	bool loadGame(int slot);
 	bool saveGame(int slot, const Common::String &description);
+	void errorTempSave(bool saving);
 	void setTextSpeed();
 
 	const Common::String &getGameString(int idx) const {