Initial commit

engines/hdb/file-manager.h

@@ -0,0 +1,83 @@
+/* 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 HDB_FILE_MANAGER_H
+#define HDB_FILE_MANAGER_H
+
+namespace Common {
+	class File;
+}
+
+#define MPCIterator Common::Array<MPCEntry *>::iterator
+
+namespace HDB {
+
+// Each entry in a MSD file is of the following types
+
+enum DataType {
+	TYPE_ERROR,
+	TYPE_BINARY,
+	TYPE_TILE32,
+	TYPE_FONT,
+	TYPE_ICON32,
+	TYPE_PIC,
+
+	ENDOFTYPES
+};
+
+struct MPCEntry {
+	char	filename[64];	// filename
+	int32	offset;			// offset in MSD file of data
+	int32	length;			// compressed length of data
+	int32	ulength;		// uncompressed length
+	DataType	type;		// type of data
+};
+
+class FileMan {
+private:
+
+	Common::File *_mpcFile;
+	Common::Array<MPCEntry *> _dir;
+
+public:
+
+	FileMan();
+	~FileMan();
+
+	struct {
+		uint32 id;
+		uint32 dirSize;
+	} _dataHeader;
+
+	void openMPC(const Common::Path &filename);
+	void closeMPC();
+	void seek(int32 offset, int flag);
+
+	Common::SeekableReadStream *findFirstData(const char *string, DataType type, int *length = nullptr);
+	int32 getLength(const char *string, DataType type);
+	int getCount(const char *subString, DataType type);
+	Common::Array<const char *> *findFiles(const char *string, DataType type);
+
+};
+
+} // End of Namespace HDB
+
+#endif // !HDB_FILE_MANAGER_H