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engines/lure/disk.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 LURE_DISK_H
+#define LURE_DISK_H
+
+
+#include "common/scummsys.h"
+#include "common/str.h"
+#include "lure/memory.h"
+#include "lure/res_struct.h"
+
+namespace Common {
+class File;
+}
+
+namespace Lure {
+
+#define NUM_ENTRIES_IN_HEADER 0xBF
+#define HEADER_IDENT_STRING "heywow"
+#define SUPPORT_IDENT_STRING "lure"
+#define HEADER_ENTRY_UNUSED_ID 0xffff
+
+class Disk {
+private:
+	uint8 _fileNum;
+	uint32 _dataOffset;
+	Common::File *_fileHandle;
+	FileEntry _entries[NUM_ENTRIES_IN_HEADER];
+
+	uint8 indexOf(uint16 id, bool suppressError = false);
+public:
+	Disk();
+	~Disk();
+	static Disk &getReference();
+
+	void openFile(uint8 fileNum);
+	uint32 getEntrySize(uint16 id);
+	MemoryBlock *getEntry(uint16 id);
+	bool exists(uint16 id);
+
+	uint8 numEntries();
+	FileEntry *getIndex(uint8 entryIndex);
+};
+
+} // End of namespace Lure
+
+#endif