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engines/neverhood/nhcarchive.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_NHCARCHIVE_H
+#define NEVERHOOD_NHCARCHIVE_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 NhcArchiveEntry {
+	uint32 fileHash;
+	uint32 type;
+	uint32 offset;
+	uint32 size;
+
+	bool isNormal() const {
+		// Resources 0-10 replace resources with the same ID
+		// Resources 11 and 12 are under custom ID for subtitle font and saveload dialog messages
+		// 13 adds subtitles to a video with the same ID and so should not replace it
+		return type <= 10;
+	}
+};
+
+class NhcArchive {
+public:
+	NhcArchive() {}
+	~NhcArchive() {}
+	bool open(const Common::Path &filename, bool isOptional);
+	void load(uint index, byte *buffer, uint32 size);
+	void load(NhcArchiveEntry *entry, byte *buffer, uint32 size);
+	uint32 getSize(uint index) { return _entries[index].size; }
+	NhcArchiveEntry *getEntry(uint index) { return &_entries[index]; }
+	uint getCount() { return _entries.size(); }
+	Common::SeekableReadStream *createStream(uint index);
+	Common::SeekableReadStream *createStream(NhcArchiveEntry *entry);
+private:
+	Common::File _fd;
+	Common::Mutex _mutex;
+	Common::Array<NhcArchiveEntry> _entries;
+};
+
+} // End of namespace Neverhood
+
+#endif /* NEVERHOOD_BLBARCHIVE_H */