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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 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/array.h"
+#include "common/file.h"
+#include "graphics/surface.h"
+#include "access/decompress.h"
+
+namespace Access {
+
+class AccessEngine;
+
+struct FileIdent {
+ int _fileNum;
+ int _subfile;
+
+ FileIdent();
+ FileIdent(int fileNum, int subfile) { _fileNum = fileNum; _subfile = subfile; }
+
+ void load(Common::SeekableReadStream &s);
+};
+
+struct CellIdent : FileIdent {
+ byte _cell;
+
+ CellIdent();
+ CellIdent(int cell, int fileNum, int subfile);
+};
+
+class FileManager;
+
+class Resource {
+ friend class FileManager;
+private:
+ Common::File _file;
+ byte *_data;
+public:
+ Common::SeekableReadStream *_stream;
+ int _size;
+
+ Resource();
+ Resource(byte *data, int size);
+ ~Resource();
+ byte *data();
+};
+
+class FileManager {
+private:
+ AccessEngine *_vm;
+ const char * const *_filenames;
+
+ void openFile(Resource *res, const Common::String &filename);
+
+ /**
+ * Handles setting up the resource with a stream for the located resource
+ */
+ void handleFile(Resource *res);
+
+ /**
+ * Handles loading a screen surface and palette with decoded resource
+ */
+ void handleScreen(Graphics::Surface *dest, Resource *res);
+
+ /**
+ * Open up a sub-file container file
+ */
+ void setAppended(Resource *file, int fileNum);
+
+ /**
+ * Open up a sub-file resource within an alrady opened container file.
+ */
+ void gotoAppended(Resource *file, int subfile);
+public:
+ int _fileNumber;
+ Common::Array<uint32> _fileIndex;
+ bool _setPaletteFlag;
+public:
+ FileManager(AccessEngine *vm);
+ ~FileManager();
+
+ /**
+ * Check the existence of a given file
+ */
+ bool existFile(const Common::String &filename);
+
+ /**
+ * Load a given subfile from a container file
+ */
+ Resource *loadFile(int fileNum, int subfile);
+
+ /**
+ * Loads a resource specified by a file identifier
+ */
+ Resource *loadFile(const FileIdent &fileIdent);
+
+ /**
+ * Load a given file by name
+ */
+ Resource *loadFile(const Common::String &filename);
+
+ /**
+ * Load a given scren from a container file
+ */
+ void loadScreen(int fileNum, int subfile);
+
+ /**
+ * Load a given screen by name
+ */
+ void loadScreen(const Common::String &filename);
+
+ /**
+ * Load a screen resource onto a designated surface
+ */
+ void loadScreen(Graphics::Surface *dest, int fileNum, int subfile);
+};
+
+} // End of namespace Access
+
+#endif /* ACCESS_FILES_H */