FULLPIPE: Add support loading/saving from GMM

6 files changed, 42 insertions, 13 deletions

diff --git a/engines/fullpipe/detection.cpp b/engines/fullpipe/detection.cpp
index 31645dd38a..af2b0cab3a 100644
--- a/engines/fullpipe/detection.cpp
+++ b/engines/fullpipe/detection.cpp
@@ -106,6 +106,13 @@ bool FullpipeMetaEngine::hasFeature(MetaEngineFeature f) const {
 		(f == kSimpleSavesNames);
 }
 
+bool Fullpipe::FullpipeEngine::hasFeature(EngineFeature f) const {
+	return
+		(f == kSupportsRTL) ||
+		(f == kSupportsLoadingDuringRuntime) ||
+		(f == kSupportsSavingDuringRuntime);
+}
+
 SaveStateList FullpipeMetaEngine::listSaves(const char *target) const {
 	Common::SaveFileManager *saveFileMan = g_system->getSavefileManager();
 	Common::StringArray filenames;
diff --git a/engines/fullpipe/fullpipe.cpp b/engines/fullpipe/fullpipe.cpp
index 37c7699ce7..2c6fded770 100644
--- a/engines/fullpipe/fullpipe.cpp
+++ b/engines/fullpipe/fullpipe.cpp
@@ -256,6 +256,20 @@ void FullpipeEngine::restartGame() {
 	}
 }
 
+Common::Error FullpipeEngine::loadGameState(int slot) {
+	if (_gameLoader->readSavegame(getSavegameFile(slot)))
+		return Common::kNoError;
+	else
+		return Common::kUnknownError;
+}
+Common::Error FullpipeEngine::saveGameState(int slot, const Common::String &description) {
+	if (_gameLoader->writeSavegame(_currentScene, getSavegameFile(slot)))
+		return Common::kNoError;
+	else
+		return Common::kUnknownError;
+}
+
+
 Common::Error FullpipeEngine::run() {
 	const Graphics::PixelFormat format(4, 8, 8, 8, 8, 24, 16, 8, 0);
 	// Initialize backend
@@ -282,7 +296,7 @@ Common::Error FullpipeEngine::run() {
 		return Common::kNoGameDataFoundError;
 
 	if (ConfMan.hasKey("save_slot")) {
-		_gameLoader->readSavegame(getSavegameFile(ConfMan.getInt("save_slot")));
+		loadGameState(ConfMan.getInt("save_slot"));
 	}
 
 #if 0
diff --git a/engines/fullpipe/fullpipe.h b/engines/fullpipe/fullpipe.h
index 09c9559199..1b6e222d22 100644
--- a/engines/fullpipe/fullpipe.h
+++ b/engines/fullpipe/fullpipe.h
@@ -332,8 +332,12 @@ public:
 
 	bool _isSaveAllowed;
 
-	bool canLoadGameStateCurrently() { return _isSaveAllowed; }
-	bool canSaveGameStateCurrently() { return _isSaveAllowed; }
+	Common::Error loadGameState(int slot);
+	Common::Error saveGameState(int slot, const Common::String &description);
+
+	virtual bool canLoadGameStateCurrently() { return true; }
+	virtual bool canSaveGameStateCurrently() { return _isSaveAllowed; }
+	virtual bool hasFeature(EngineFeature f) const;
 
 };
 
diff --git a/engines/fullpipe/gameloader.h b/engines/fullpipe/gameloader.h
index 9f99cb16f3..6c41e1bd07 100644
--- a/engines/fullpipe/gameloader.h
+++ b/engines/fullpipe/gameloader.h
@@ -112,8 +112,8 @@ class GameLoader : public CObject {
 	void saveScenePicAniInfos(int sceneId);
 	PicAniInfo **savePicAniInfos(Scene *sc, int flag1, int flag2, int *picAniInfoCount);
 
-	void readSavegame(const char *fname);
-	void writeSavegame(Scene *sc, const char *fname);
+	bool readSavegame(const char *fname);
+	bool writeSavegame(Scene *sc, const char *fname);
 
 	void addVar(GameVar *var, GameVar *subvar);
 
diff --git a/engines/fullpipe/stateloader.cpp b/engines/fullpipe/stateloader.cpp
index 78674d1fe9..f48d636ecd 100644
--- a/engines/fullpipe/stateloader.cpp
+++ b/engines/fullpipe/stateloader.cpp
@@ -40,13 +40,13 @@
 
 namespace Fullpipe {
 
-void GameLoader::readSavegame(const char *fname) {
+bool GameLoader::readSavegame(const char *fname) {
 	SaveHeader header;
 	Common::InSaveFile *saveFile = g_system->getSavefileManager()->openForLoading(fname);
 
 	if (!saveFile) {
 		warning("Cannot open save %s for loading", fname);
-		return;
+		return false;
 	}
 
 	header.version = saveFile->readUint32LE();
@@ -59,7 +59,7 @@ void GameLoader::readSavegame(const char *fname) {
 			header.version, header.magic, header.updateCounter, header.unkField, header.encSize, saveFile->pos());
 
 	if (header.version != 48)
-		return;
+		return false;
 
 	_updateCounter = header.updateCounter;
 
@@ -92,7 +92,7 @@ void GameLoader::readSavegame(const char *fname) {
 		if (!v) {
 			warning("No state to save");
 			delete archive;
-			return;
+			return false;
 		}
 	}
 
@@ -141,7 +141,7 @@ void GameLoader::readSavegame(const char *fname) {
 
 		if (_preloadCallback) {
 			if (!_preloadCallback(preloadItem, 0))
-				return;
+				return false;
 		}
 
 		clearGlobalMessageQueueList1();
@@ -165,6 +165,8 @@ void GameLoader::readSavegame(const char *fname) {
 
 		ex->postMessage();
 	}
+
+	return true;
 }
 
 void parseSavegameHeader(Fullpipe::FullpipeSavegameHeader &header, SaveStateDescriptor &desc) {
diff --git a/engines/fullpipe/statesaver.cpp b/engines/fullpipe/statesaver.cpp
index fb9163de93..130ab6214d 100644
--- a/engines/fullpipe/statesaver.cpp
+++ b/engines/fullpipe/statesaver.cpp
@@ -31,7 +31,7 @@
 
 namespace Fullpipe {
 
-void GameLoader::writeSavegame(Scene *sc, const char *fname) {
+bool GameLoader::writeSavegame(Scene *sc, const char *fname) {
 	GameVar *v = _gameVar->getSubVarByName("OBJSTATES")->getSubVarByName("SAVEGAME");
 
 	if (!v) {
@@ -39,7 +39,7 @@ void GameLoader::writeSavegame(Scene *sc, const char *fname) {
 
 		if (!v) {
 			warning("No state to save");
-			return;
+			return false;
 		}
 	}
 
@@ -112,7 +112,7 @@ void GameLoader::writeSavegame(Scene *sc, const char *fname) {
 
 	if (!saveFile) {
 		warning("Cannot open file for writing: %s", fname);
-		return;
+		return false;
 	}
 
 	saveFile->writeUint32LE(header.version);
@@ -154,6 +154,8 @@ void GameLoader::writeSavegame(Scene *sc, const char *fname) {
 
 	delete saveFile;
 	delete archive;
+
+	return true;
 }