ACCESS: Adding file loading

1 files changed, 76 insertions, 0 deletions

diff --git a/engines/access/files.h b/engines/access/files.h
new file mode 100644
index 0000000000..fcd24808a3
--- /dev/null
+++ b/engines/access/files.h
@@ -0,0 +1,76 @@
+/* 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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef ACCESS_FILES_H
+#define ACCESS_FILES_H
+
+#include "common/scummsys.h"
+#include "common/file.h"
+
+namespace Access {
+
+class AccessEngine;
+
+struct FileEntry {
+	uint32 _offset;
+	uint32 _nextOffset;
+};
+
+class FileManager {
+private:
+	AccessEngine *_vm;
+	const char * const *_filenames;
+
+	void handleFile();
+
+	void decompressFile();
+
+public:
+	int _fileNumber;
+	Common::File _file;
+	Common::SeekableReadStream *_stream;
+	Common::Array<FileEntry> _fileIndex;
+	uint32 _entryOffset;
+	uint32 _nextOffset;
+public:
+	FileManager(AccessEngine *vm);
+	~FileManager();
+
+	void loadFile(int fileNum, int subfile);
+
+	void loadFile(const Common::String &filename);
+
+	/**
+	 * Open up a sub-file container file
+	 */
+	void setAppended(int fileNum);
+
+
+	/**
+	 * Open up a sub-file resource within an alrady opened container file.
+	 */
+	void gotoAppended(int subfile);
+};
+
+} // End of namespace Access
+
+#endif /* ACCESS_FILES_H */