TITANIC: Split SimpleFile and CompressedFile into different files

1 files changed, 120 insertions, 0 deletions

diff --git a/engines/titanic/compressed_file.h b/engines/titanic/compressed_file.h
new file mode 100644
index 0000000000..814a1ab812
--- /dev/null
+++ b/engines/titanic/compressed_file.h
@@ -0,0 +1,120 @@
+/* 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 TITANIC_COMPRESSED_FILE_H
+#define TITANIC_COMPRESSED_FILE_H
+
+#include "common/scummsys.h"
+#include "common/file.h"
+#include "common/queue.h"
+#include "titanic/simple_file.h"
+#include "titanic/string.h"
+
+namespace Titanic {
+
+class Decompressor;
+class DecompressorData;
+
+typedef DecompressorData *(Decompressor::*DecompressorCreateFn)(int v1, int v2, int v3);
+typedef void(Decompressor::*DecompressorDestroyFn)(DecompressorData *ptr);
+typedef void(Decompressor::*Method3Fn)();
+
+class DecompressorData {
+public:
+	int _field0;
+	int _field4;
+	int _field8;
+	int _fieldC;
+	int _field10;
+	int _field14;
+public:
+	DecompressorData();
+};
+
+class Decompressor {
+private:
+	DecompressorCreateFn _createFn;
+	DecompressorDestroyFn _destroyFn;
+	int _field18;
+	DecompressorData *_dataPtr;
+	int _field28;
+
+	DecompressorData *createMethod(int v1, int v2, int v3);
+
+	void destroyMethod(DecompressorData *ptr);
+
+	void method3() {
+		// TODO
+	}
+
+	int sub1(Method3Fn fn, int v);
+
+	void sub2();
+public:
+	Decompressor();
+
+	void load(const char *version = "1.0.4", int v = 15);
+
+	void close();
+};
+
+class CompressedFile : public SimpleFile {
+private:
+	Decompressor _decompressor;
+	Common::Queue<byte> _queue;
+	int _fileMode;
+	int _isReading;
+	int _field260;
+	int _mode;
+
+	/**
+	 * Decompress data from the source file
+	 */
+	void decompress();
+public:
+	CompressedFile();
+	virtual ~CompressedFile();
+
+	/**
+	 * Open a file for access
+	 */
+	virtual void open(const Common::String &name, FileMode mode = FILE_READ);
+
+	/**
+	 * Set up a stream for access
+	 */
+	virtual void open(Common::SeekableReadStream *stream, FileMode mode = FILE_READ);
+
+	/**
+	 * Close the file
+	 */
+	virtual void close();
+
+	/**
+	 * Read from the file
+	 */
+	virtual size_t unsafeRead(void *dst, size_t count);
+};
+
+} // End of namespace Titanic
+
+#endif /* TITANIC_COMPRESSED_FILE_H */