void GameDatabase::DeleteGame(const size_t index, const bool reload)
{
wxString file = FilePath::Data(DataFileGames);
wxString keyfile = FilePath::Data(DataFileGameKeys);
size_t size = NumGames();
// If there's only one game in the file, just delete the files.
if(1 == size)
{
wxRemoveFile(file);
wxRemoveFile(keyfile);
}
else
{
// If this is not the last game in the file, we'll have to extricate
// it.
if(index != (size - 1))
{
// Get two temp file names to use for the atomic deletion.
wxString tempfile, tempkeyfile;
tempfile = wxFileName::CreateTempFileName(swGame);
tempkeyfile = wxFileName::CreateTempFileName(swKeys);
wxFileInputStream db(file);
wxFileOutputStream tempdb(tempfile);
wxFileOutputStream tempkey(tempkeyfile);
size_t totalLength = db.GetSize();
size_t offset = 0;
// Run through all the games in the db and save them to a temp file,
// except for the one being deleted, then copy that temp file to the
// desired file.
for(size_t i = 0; i < size; i++)
{
//calculate the size of this data chunk
size_t chunk;
if(i < (size - 1))
{
chunk = mOffsets[i + 1] - mOffsets[i];
}
else
{
chunk = totalLength - mOffsets[i];
}
// Just copy raw data instead of loading and adding.
boost::scoped_array<wxUint8> bytes(new wxUint8[chunk]);
db.Read(bytes.get(), chunk);
// Skip the one we're deleting.
if(i != index)
{
tempdb.Write(bytes.get(), chunk);
tempkey.Write(&offset, 4);
offset += chunk;
}
}
// Copy the temp files onto the real files.
wxCopyFile(tempfile, file);
wxCopyFile(tempkeyfile, keyfile);
}
// Otherwise, we can just truncate the file.
else
{
wxFile in(file, wxFile::read);
size_t chunk = mOffsets[index];
boost::scoped_array<wxUint8> bytes(new wxUint8[chunk]);
in.Read(bytes.get(), chunk);
in.Close();
// Now just write them back out.
wxFile out(file, wxFile::write);
out.Write(bytes.get(), chunk);
out.Close();
// Repeat with the key file.
in.Open(keyfile, wxFile::read);
chunk = in.Length() - sizeof(size_t);
bytes.reset(new wxUint8[chunk]);
in.Read(bytes.get(), chunk);
in.Close();
out.Open(keyfile, wxFile::write);
out.Write(bytes.get(), chunk);
out.Close();
}
}
if(true == reload)
{
InitializeDatabase();
}
}
/*
==================
Host_Game_f
==================
*/
void Host_Game_f (void)
{
int i;
unsigned int path_id;
searchpath_t *search = com_searchpaths;
pack_t *pak;
char pakfile[MAX_OSPATH]; //FIXME: it's confusing to use this string for two different things
if (Cmd_Argc() > 1)
{
if (!registered.value) //disable command for shareware quake
{
Con_Printf("You must have the registered version to use modified games\n");
return;
}
if (strstr(Cmd_Argv(1), ".."))
{
Con_Printf ("Relative pathnames are not allowed.\n");
return;
}
q_strlcpy (pakfile, va("%s/%s", host_parms->basedir, Cmd_Argv(1)), sizeof(pakfile));
if (!Q_strcasecmp(pakfile, com_gamedir)) //no change
{
Con_Printf("\"game\" is already \"%s\"\n", COM_SkipPath(com_gamedir));
return;
}
com_modified = true;
//Kill the server
CL_Disconnect ();
Host_ShutdownServer(true);
//Write config file
Host_WriteConfiguration ();
//Kill the extra game if it is loaded
if (NumGames(com_searchpaths) > 1 + com_nummissionpacks)
KillGameDir(com_searchpaths);
q_strlcpy (com_gamedir, pakfile, sizeof(com_gamedir));
if (Q_strcasecmp(Cmd_Argv(1), GAMENAME)) //game is not id1
{
// assign a path_id to this game directory
if (com_searchpaths)
path_id = com_searchpaths->path_id << 1;
else path_id = 1U;
search = (searchpath_t *) Z_Malloc(sizeof(searchpath_t));
search->path_id = path_id;
q_strlcpy (search->filename, pakfile, sizeof(search->filename));
search->next = com_searchpaths;
com_searchpaths = search;
//Load the paks if any are found:
for (i = 0; ; i++)
{
q_snprintf (pakfile, sizeof(pakfile), "%s/pak%i.pak", com_gamedir, i);
pak = COM_LoadPackFile (pakfile);
if (!pak)
break;
search = (searchpath_t *) Z_Malloc(sizeof(searchpath_t));
search->path_id = path_id;
search->pack = pak;
search->next = com_searchpaths;
com_searchpaths = search;
}
}
//clear out and reload appropriate data
Cache_Flush ();
if (!isDedicated)
{
TexMgr_NewGame ();
Draw_NewGame ();
R_NewGame ();
}
ExtraMaps_NewGame ();
//Cbuf_InsertText ("exec quake.rc\n");
Con_Printf("\"game\" changed to \"%s\"\n", COM_SkipPath(com_gamedir));
}
else //Diplay the current gamedir
Con_Printf("\"game\" is \"%s\"\n", COM_SkipPath(com_gamedir));
}
