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engines/glk/zcode/quetzal.h

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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/>.
+ *
+ */
+
+#ifndef GLK_ZCODE_QUETZAL
+#define GLK_ZCODE_QUETZAL
+
+#include "glk/glk_types.h"
+#include "glk/quetzal.h"
+#include "glk/zcode/frotz_types.h"
+
+namespace Glk {
+namespace ZCode {
+
+class Processor;
+
+class Quetzal {
+private:
+	Common::SeekableReadStream *_storyFile;
+	QuetzalReader _reader;
+	QuetzalWriter _writer;
+	zword frames[STACK_SIZE / 4 + 1];
+public:
+	/**
+	 * Constructor
+	 */
+	Quetzal(Common::SeekableReadStream *storyFile) : _storyFile(storyFile) {}
+
+	/*
+	 * Save a game using Quetzal format.
+	 * @param svf	Savegame file
+	 * @param proc	Pointer to the Frotz processor
+	 * @param desc	Savegame description
+	 * @returns		Returns true if OK, false if failed
+	 */
+	bool save(Common::WriteStream *svf, Processor *proc, const Common::String &desc);
+
+	/**
+	 * Restore a saved game using Quetzal format
+	 * @param svf	Savegame file
+	 * @param proc	Pointer to the Frotz processor
+	 * @returns		Return 2 if OK, 0 if an error occurred before any damage was done,
+	 *				-1 on a fatal error
+	 */
+	int restore(Common::SeekableReadStream *svf, Processor *proc);
+};
+
+} // End of namespace ZCode
+} // End of namespace Glk
+
+#endif