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diff --git a/Datafile/Archive.h b/Datafile/Archive.h
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+/*  Starshatter OpenSource Distribution
+    Copyright (c) 1997-2004, Destroyer Studios LLC.
+    All Rights Reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimer in the documentation
+      and/or other materials provided with the distribution.
+    * Neither the name "Destroyer Studios" nor the names of its contributors
+      may be used to endorse or promote products derived from this software
+      without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+    ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+    LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+    POSSIBILITY OF SUCH DAMAGE.
+
+    SUBSYSTEM:    DataFile.exe
+    FILE:         Archive.hpp
+    AUTHOR:       John DiCamillo
+
+*/
+
+#ifndef ARCHIVE_HPP
+#define ARCHIVE_HPP
+
+// +------------------------------------------------------------------+
+
+#define VERSION      0x0010
+#define BLOCK_SIZE   1024
+#define MAX_FILES    8192
+#define FILE_BLOCK   1024
+#define NAMELEN      64
+
+// +------------------------------------------------------------------+
+
+struct DataHeader
+{
+   DWORD    version;
+   DWORD    nfiles;
+   DWORD    dir_blocks;
+   DWORD    dir_size_comp;
+   DWORD    dir_offset;
+};
+
+struct DataEntry
+{
+   char     name[NAMELEN];
+   DWORD    size_orig;
+   DWORD    size_comp;
+   DWORD    offset; 
+};
+
+class DataArchive
+{
+public:
+   // ctor:
+   DataArchive(const char* name = 0);
+   ~DataArchive();
+
+   // operations:
+   void     LoadDatafile(const char* name);
+   void     Insert(const char* name);
+   void     Extract(const char* name);
+   void     Remove(const char* name);
+   void     List();
+   
+   void     WriteEntry(int index, BYTE* buf);
+   int      FindEntry(const char* req_name);
+   int      ExpandEntry(int index, BYTE*& buf);
+   BYTE*    CompressEntry(int index);
+   int      InsertEntry(const char* name);
+   void     RemoveEntry(int index);
+   DWORD    Blocks(DWORD raw_size);
+   DWORD    DirBlocks();
+   DWORD    FileBlocks(int index);
+   int      FindDataBlocks(int blocks_needed);
+   void     CreateBlockMap();
+   
+   DWORD    NumFiles() { return header.nfiles; }
+   DataEntry* GetFile(int i) { if (i>=0 && i<(int)header.nfiles) return &directory[i]; return 0; }
+
+private:
+   // persistent data members:
+   DataHeader  header;
+   DataEntry   directory[MAX_FILES];
+   BYTE*       dirbuf;
+
+   // transient members:
+   char        datafile[NAMELEN];
+   
+   DWORD*      block_map;
+   DWORD       nblocks;
+};
+
+extern std::wstring ToWideString(const std::string& str);
+
+
+#endif