1 files changed, 159 insertions, 0 deletions
diff --git a/engines/scumm/file.h b/engines/scumm/file.h
new file mode 100644
index 0000000000..fa5e4d35a5
--- /dev/null
+++ b/engines/scumm/file.h
@@ -0,0 +1,159 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2002-2006 The ScummVM project
+ *
+ * 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.
+ *
+ * $URL$
+ * $Id: util.h 21036 2006-03-03 14:44:50Z fingolfin $
+ *
+ */
+
+#ifndef SCUMM_FILE_H
+#define SCUMM_FILE_H
+
+#include "common/file.h"
+
+namespace Scumm {
+
+class BaseScummFile : public Common::File {
+public:
+	virtual void setEnc(byte value) = 0;
+
+	virtual bool open(const char *filename, AccessMode mode = kFileReadMode) = 0;
+	virtual bool openSubFile(const char *filename) = 0;
+
+	virtual bool eof() = 0;
+	virtual uint32 pos() = 0;
+	virtual uint32 size() = 0;
+	virtual void seek(int32 offs, int whence = SEEK_SET) = 0;
+	virtual uint32 read(void *dataPtr, uint32 dataSize) = 0;
+	virtual uint32 write(const void *dataPtr, uint32 dataSize) = 0;
+};
+
+class ScummFile : public BaseScummFile {
+private:
+	byte _encbyte;
+	uint32	_subFileStart;
+	uint32	_subFileLen;
+public:
+	ScummFile();
+	void setEnc(byte value);
+
+	void setSubfileRange(uint32 start, uint32 len);
+	void resetSubfile();
+
+	bool open(const char *filename, AccessMode mode = kFileReadMode);
+	bool openSubFile(const char *filename);
+
+	bool eof();
+	uint32 pos();
+	uint32 size();
+	void seek(int32 offs, int whence = SEEK_SET);
+	uint32 read(void *dataPtr, uint32 dataSize);
+	uint32 write(const void *dataPtr, uint32 dataSize);
+};
+
+class ScummNESFile : public BaseScummFile {
+public:
+	enum ROMset {
+		kROMsetUSA,
+		kROMsetEurope,
+		kROMsetSweden,
+		kROMsetFrance,
+		kROMsetGermany,
+		kROMsetNum
+	};
+
+	struct Resource;
+	struct LFLEntry;
+	struct LFL;
+
+private:
+	Common::MemoryReadStream *_stream;
+	ROMset _ROMset;
+	byte *_buf;
+
+	bool generateIndex();
+	bool generateResource(int res);
+	uint16 extractResource(Common::WriteStream *out, Resource *res);
+
+	byte fileReadByte();
+	uint16 fileReadUint16LE();
+
+public:
+	ScummNESFile();
+	void setEnc(byte value);
+
+	bool open(const char *filename, AccessMode mode = kFileReadMode);
+	bool openSubFile(const char *filename);
+
+	void close();
+	bool eof() { return _stream->eos(); }
+	uint32 pos() { return _stream->pos(); }
+	uint32 size() { return _stream->size(); }
+	void seek(int32 offs, int whence = SEEK_SET) { _stream->seek(offs, whence); }
+	uint32 read(void *dataPtr, uint32 dataSize) { return _stream->read(dataPtr, dataSize); }
+	uint32 write(const void *dataPtr, uint32 dataSize);
+};
+
+
+class ScummC64File : public BaseScummFile {
+private:
+	Common::MemoryReadStream *_stream;
+	byte _roomDisks[59], _roomTracks[59], _roomSectors[59];
+
+	byte *_buf;
+
+	bool _maniac;
+	Common::String _disk1, _disk2;
+	int _openedDisk;
+
+	int _numGlobalObjects;
+	int _numRooms;
+	int _numCostumes;
+	int _numScripts;
+	int _numSounds;
+	const int *_resourcesPerFile;
+
+	bool openDisk(char num);
+
+	bool generateIndex();
+	bool generateResource(int res);
+
+	uint16 extractIndex(Common::WriteStream *out);
+	uint16 extractResource(Common::WriteStream *out, int res);
+
+	byte fileReadByte();
+	uint16 fileReadUint16LE();
+
+public:
+	ScummC64File(const char *disk1, const char *disk2, bool maniac);
+	void setEnc(byte value);
+
+	bool open(const char *filename, AccessMode mode = kFileReadMode);
+	bool openSubFile(const char *filename);
+
+	void close();
+	bool eof() { return _stream->eos(); }
+	uint32 pos() { return _stream->pos(); }
+	uint32 size() { return _stream->size(); }
+	void seek(int32 offs, int whence = SEEK_SET) { _stream->seek(offs, whence); }
+	uint32 read(void *dataPtr, uint32 dataSize) { return _stream->read(dataPtr, dataSize); }
+	uint32 write(const void *dataPtr, uint32 dataSize);
+};
+
+} // End of namespace Scumm
+
+#endif