* Major rewrite

include/Athena/ALTTPFileReader.hpp

@@ -0,0 +1,68 @@
+// This file is part of libZelda.
+//
+// libZelda 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.
+//
+// libZelda 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 libZelda.  If not, see <http://www.gnu.org/licenses/>
+
+#ifndef __ALTTP_FILE_READER_HPP__
+#define __ALTTP_FILE_READER_HPP__
+
+#include <string>
+#include "Types.hpp"
+#include "BinaryReader.hpp"
+#include "ALTTPQuest.hpp"
+
+namespace Athena
+{
+class ALTTPFile;
+
+namespace io
+{
+/*! \class ALTTPFileReader
+ *  \brief A Link to the Past save data reader class
+ *
+ *  A Class for reading binary data from an ALTTP Save File,
+ *  all work is done using a memory buffer, and not read directly from the disk.
+ *  \sa BinaryReader
+ */
+class ALTTPFileReader : protected BinaryReader
+{
+    BINARYREADER_BASE
+
+public:
+    /*! \brief This constructor takes an existing buffer to read from.
+     *
+     *   \param data The existing buffer
+     *   \param length The length of the existing buffer
+     */
+    ALTTPFileReader(Uint8*, Uint64);
+
+    /*! \brief This constructor creates an instance from a file on disk.
+     *
+     * \param filename The file to create the stream from
+     */
+    ALTTPFileReader(const std::string&);
+
+    /*! \brief Reads the SRAM data from the buffer
+     *
+     * \return ALTTPFile* SRAM data
+     */
+    ALTTPFile* readFile();
+private:
+    ALTTPRoomFlags* readRoomFlags();
+    ALTTPOverworldEvent* readOverworldEvent();
+    ALTTPDungeonItemFlags readDungeonFlags();
+};
+
+} // io
+} // zelda
+#endif // __ALTTP_FILE_READER_HPP__