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engines/glk/jacl/jacl.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/>.
+ *
+ */
+
+#include "glk/jacl/jacl.h"
+#include "glk/jacl/prototypes.h"
+#include "glk/jacl/types.h"
+#include "common/config-manager.h"
+
+namespace Glk {
+namespace JACL {
+
+JACL *g_vm;
+extern strid_t game_stream;
+extern void glk_main();
+
+JACL::JACL(OSystem *syst, const GlkGameDescription &gameDesc) : GlkAPI(syst, gameDesc),
+	_saveSlot(-1) {
+	g_vm = this;
+}
+
+void JACL::runGame() {
+	// Check for savegame
+	_saveSlot = ConfMan.hasKey("save_slot") ? ConfMan.getInt("save_slot") : -1;
+
+	// Open up the game file as a stream, and play the game
+	game_stream = _streams->openStream(&_gameFile);
+	glk_main();
+}
+
+bool JACL::initialize() {
+	return true;
+}
+
+void JACL::deinitialize() {
+}
+
+Common::Error JACL::readSaveData(Common::SeekableReadStream *rs) {
+	strid_t data_stream = _streams->openStream(rs);
+	bool success = restore_game(data_stream);
+	_streams->deleteStream(data_stream);
+
+	return success ? Common::kNoError : Common::kReadingFailed;
+}
+
+Common::Error JACL::writeGameData(Common::WriteStream *ws) {
+	strid_t data_stream = _streams->openStream(ws);
+	bool success = save_game(data_stream);
+	_streams->deleteStream(data_stream);
+
+	return success ? Common::kNoError : Common::kWritingFailed;
+}
+
+bool JACL::loadLauncherSavegame() {
+	int saveSlot = _saveSlot;
+	_saveSlot = -1;
+
+	if (loadGameState(saveSlot).getCode() == Common::kNoError)
+		return true;
+
+	write_text(cstring_resolve("CANT_RESTORE")->value);
+	return false;
+}
+
+} // End of namespace JACL
+} // End of namespace Glk