Initial commit

engines/macventure/saveload.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/*
+ * Based on
+ * WebVenture (c) 2010, Sean Kasun
+ * https://github.com/mrkite/webventure, http://seancode.com/webventure/
+ *
+ * Used with explicit permission from the author
+ */
+
+#include "macventure/macventure.h"
+
+#include "common/error.h"
+#include "common/savefile.h"
+#include "engines/savestate.h"
+#include "gui/saveload.h"
+#include "graphics/thumbnail.h"
+
+namespace MacVenture {
+
+Common::Error MacVentureEngine::loadGameState(int slot) {
+	Common::Error res = Common::kReadingFailed;
+	saveAutosaveIfEnabled();
+
+	Common::InSaveFile *saveFile = _saveFileMan->openForLoading(getSaveStateName(slot));
+
+	if (!saveFile)
+		return res;
+
+	_world->loadGameFrom(saveFile);
+	reset();
+	setInitialFlags(kGameStatePlaying);
+	_world->setObjAttr(_world->getObjAttr(1, kAttrParentObject), kAttrContainerOpen, true);
+
+	ExtendedSavegameHeader header;
+	if (MetaEngine::readSavegameHeader(saveFile, &header))
+		setTotalPlayTime(header.playtime);
+
+	// Set description as window name for console window
+	if (header.description.size()) {
+		_gui->setWindowTitle(kOutConsoleWindow, header.description);
+	}
+
+	res = Common::kNoError;
+
+	delete saveFile;
+	return res;
+}
+
+Common::Error MacVentureEngine::saveGameState(int slot, const Common::String &desc, bool isAutosave) {
+	Common::String saveFileName = getSaveStateName(slot);
+	Common::OutSaveFile *saveFile = getSaveFileManager()->openForSaving(saveFileName);
+
+	if (!saveFile)
+		return Common::kWritingFailed;
+
+	_world->saveGameInto(saveFile);
+	getMetaEngine()->appendExtendedSave(saveFile, getTotalPlayTime(), desc, isAutosave);
+
+	saveFile->finalize();
+	if (saveFile->err())
+		warning("Could not save '%s' correctly.", saveFileName.c_str());
+
+	delete saveFile;
+	return Common::kNoError;
+}
+
+bool MacVentureEngine::scummVMSaveLoadDialog(bool isSave) {
+	if (!isSave) {
+		// do loading
+		GUI::SaveLoadChooser dialog = GUI::SaveLoadChooser(Common::String("Load game:"), Common::String("Load"), false);
+		int slot = dialog.runModalWithCurrentTarget();
+
+		if (slot < 0)
+			return true;
+
+		return loadGameState(slot).getCode() == Common::kNoError;
+	}
+
+	// do saving
+	GUI::SaveLoadChooser dialog = GUI::SaveLoadChooser(Common::String("Save game:"), Common::String("Save"), true);
+	int slot = dialog.runModalWithCurrentTarget();
+	Common::String desc = dialog.getResultString();
+
+	if (desc.empty()) {
+		// create our own description for the saved game, the user didn't enter it
+		desc = dialog.createDefaultSaveDescription(slot);
+	}
+
+	/*
+	if (desc.size() > (1 << MACVENTURE_DESC_LENGTH * 8) - 1)
+		desc = Common::String(desc.c_str(), (1 << MACVENTURE_DESC_LENGTH * 8) - 1);
+	*/
+	if (slot < 0)
+		return true;
+
+	return saveGameState(slot, desc).getCode() == Common::kNoError;
+}
+
+bool MacVentureEngine::canLoadGameStateCurrently(Common::U32String *msg) {
+	return _gameState != kGameStateWinning;
+}
+
+bool MacVentureEngine::canSaveGameStateCurrently(Common::U32String *msg) {
+	return _gameState != kGameStateWinning;
+}
+
+} // End of namespace MacVenture