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engines/neverhood/blbarchive.h

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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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef NEVERHOOD_BLBARCHIVE_H
+#define NEVERHOOD_BLBARCHIVE_H
+
+#include "common/array.h"
+#include "common/file.h"
+#include "common/mutex.h"
+#include "common/stream.h"
+#include "common/substream.h"
+#include "neverhood/neverhood.h"
+
+namespace Neverhood {
+
+struct BlbHeader {
+	uint32 id1;
+	uint16 id2;
+	uint16 extDataSize;
+	int32 fileSize;
+	uint32 fileCount;
+};
+
+struct BlbArchiveEntry {
+	uint32 fileHash;
+	byte type;
+	byte comprType;
+	byte *extData;
+	uint32 timeStamp;
+	uint32 offset;
+	uint32 diskSize;
+	uint32 size;
+};
+
+class BlbArchive {
+public:
+	BlbArchive();
+	~BlbArchive();
+	bool open(const Common::Path &filename, bool isOptional);
+	void load(uint index, byte *buffer, uint32 size);
+	void load(BlbArchiveEntry *entry, byte *buffer, uint32 size);
+	byte *getEntryExtData(uint index);
+	byte *getEntryExtData(BlbArchiveEntry *entry);
+	uint32 getSize(uint index) { return _entries[index].size; }
+	BlbArchiveEntry *getEntry(uint index) { return &_entries[index]; }
+	uint getCount() { return _entries.size(); }
+	Common::SeekableReadStream *createStream(uint index);
+	Common::SeekableReadStream *createStream(BlbArchiveEntry *entry);
+private:
+	Common::File _fd;
+	Common::Mutex _mutex;
+	Common::Array<BlbArchiveEntry> _entries;
+	byte *_extData;
+};
+
+} // End of namespace Neverhood
+
+#endif /* NEVERHOOD_BLBARCHIVE_H */