ui_servers2.c

3D 游戏界的大牛人 John Carmack 终于放出了 Q3 的源代码

		}
	}
	else {
		// no servers found
		if( g_arenaservers.refreshservers ) {
			strcpy( g_arenaservers.status.string,"Scanning For Servers." );
			g_arenaservers.statusbar.string = "Press SPACE to stop";

			// disable controls during refresh
			g_arenaservers.master.generic.flags		|= QMF_GRAYED;
			g_arenaservers.gametype.generic.flags	|= QMF_GRAYED;
			g_arenaservers.sortkey.generic.flags	|= QMF_GRAYED;
			g_arenaservers.showempty.generic.flags	|= QMF_GRAYED;
			g_arenaservers.showfull.generic.flags	|= QMF_GRAYED;
			g_arenaservers.list.generic.flags		|= QMF_GRAYED;
			g_arenaservers.refresh.generic.flags	|= QMF_GRAYED;
			g_arenaservers.go.generic.flags			|= QMF_GRAYED;
			g_arenaservers.punkbuster.generic.flags |= QMF_GRAYED;
		}
		else {
			if( g_arenaservers.numqueriedservers < 0 ) {
				strcpy(g_arenaservers.status.string,"No Response From Master Server." );
			}
			else {
				strcpy(g_arenaservers.status.string,"No Servers Found." );
			}

			// update status bar
			if( g_servertype == AS_GLOBAL || g_servertype == AS_MPLAYER ) {
				g_arenaservers.statusbar.string = quake3worldMessage;
			}
			else {
				g_arenaservers.statusbar.string = "";
			}

			// end of refresh - set control state
			g_arenaservers.master.generic.flags		&= ~QMF_GRAYED;
			g_arenaservers.gametype.generic.flags	&= ~QMF_GRAYED;
			g_arenaservers.sortkey.generic.flags	&= ~QMF_GRAYED;
			g_arenaservers.showempty.generic.flags	&= ~QMF_GRAYED;
			g_arenaservers.showfull.generic.flags	&= ~QMF_GRAYED;
			g_arenaservers.list.generic.flags		|= QMF_GRAYED;
			g_arenaservers.refresh.generic.flags	&= ~QMF_GRAYED;
			g_arenaservers.go.generic.flags			|= QMF_GRAYED;
			g_arenaservers.punkbuster.generic.flags &= ~QMF_GRAYED;
		}

		// zero out list box
		g_arenaservers.list.numitems = 0;
		g_arenaservers.list.curvalue = 0;
		g_arenaservers.list.top      = 0;

		// update picture
		ArenaServers_UpdatePicture();
		return;
	}

	// build list box strings - apply culling filters
	servernodeptr = g_arenaservers.serverlist;
	count         = *g_arenaservers.numservers;
	for( i = 0, j = 0; i < count; i++, servernodeptr++ ) {
		tableptr = &g_arenaservers.table[j];
		tableptr->servernode = servernodeptr;
		buff = tableptr->buff;

		// can only cull valid results
		if( !g_emptyservers && !servernodeptr->numclients ) {
			continue;
		}

		if( !g_fullservers && ( servernodeptr->numclients == servernodeptr->maxclients ) ) {
			continue;
		}

		switch( g_gametype ) {
		case GAMES_ALL:
			break;

		case GAMES_FFA:
			if( servernodeptr->gametype != GT_FFA ) {
				continue;
			}
			break;

		case GAMES_TEAMPLAY:
			if( servernodeptr->gametype != GT_TEAM ) {
				continue;
			}
			break;

		case GAMES_TOURNEY:
			if( servernodeptr->gametype != GT_TOURNAMENT ) {
				continue;
			}
			break;

		case GAMES_CTF:
			if( servernodeptr->gametype != GT_CTF ) {
				continue;
			}
			break;
		}

		if( servernodeptr->pingtime < servernodeptr->minPing ) {
			pingColor = S_COLOR_BLUE;
		}
		else if( servernodeptr->maxPing && servernodeptr->pingtime > servernodeptr->maxPing ) {
			pingColor = S_COLOR_BLUE;
		}
		else if( servernodeptr->pingtime < 200 ) {
			pingColor = S_COLOR_GREEN;
		}
		else if( servernodeptr->pingtime < 400 ) {
			pingColor = S_COLOR_YELLOW;
		}
		else {
			pingColor = S_COLOR_RED;
		}

		Com_sprintf( buff, MAX_LISTBOXWIDTH, "%-20.20s %-12.12s %2d/%2d %-8.8s %3s %s%3d " S_COLOR_YELLOW "%s", 
			servernodeptr->hostname, servernodeptr->mapname, servernodeptr->numclients,
 			servernodeptr->maxclients, servernodeptr->gamename,
			netnames[servernodeptr->nettype], pingColor, servernodeptr->pingtime, servernodeptr->bPB ? "Yes" : "No" );
		j++;
	}

	g_arenaservers.list.numitems = j;
	g_arenaservers.list.curvalue = 0;
	g_arenaservers.list.top      = 0;

	// update picture
	ArenaServers_UpdatePicture();
}


/*
=================
ArenaServers_Remove
=================
*/
static void ArenaServers_Remove( void )
{
	int				i;
	servernode_t*	servernodeptr;
	table_t*		tableptr;

	if (!g_arenaservers.list.numitems)
		return;

	// remove selected item from display list
	// items are in scattered order due to sort and cull
	// perform delete on list box contents, resync all lists

	tableptr      = &g_arenaservers.table[g_arenaservers.list.curvalue];
	servernodeptr = tableptr->servernode;

	// find address in master list
	for (i=0; i<g_arenaservers.numfavoriteaddresses; i++)
		if (!Q_stricmp(g_arenaservers.favoriteaddresses[i],servernodeptr->adrstr))
				break;

	// delete address from master list
	if (i <= g_arenaservers.numfavoriteaddresses-1)
	{
		if (i < g_arenaservers.numfavoriteaddresses-1)
		{
			// shift items up
			memcpy( &g_arenaservers.favoriteaddresses[i], &g_arenaservers.favoriteaddresses[i+1], (g_arenaservers.numfavoriteaddresses - i - 1)*sizeof(MAX_ADDRESSLENGTH));
		}
		g_arenaservers.numfavoriteaddresses--;
	}	

	// find address in server list
	for (i=0; i<g_numfavoriteservers; i++)
		if (&g_favoriteserverlist[i] == servernodeptr)
				break;

	// delete address from server list
	if (i <= g_numfavoriteservers-1)
	{
		if (i < g_numfavoriteservers-1)
		{
			// shift items up
			memcpy( &g_favoriteserverlist[i], &g_favoriteserverlist[i+1], (g_numfavoriteservers - i - 1)*sizeof(servernode_t));
		}
		g_numfavoriteservers--;
	}	

	g_arenaservers.numqueriedservers = g_arenaservers.numfavoriteaddresses;
	g_arenaservers.currentping       = g_arenaservers.numfavoriteaddresses;
}


/*
=================
ArenaServers_Insert
=================
*/
static void ArenaServers_Insert( char* adrstr, char* info, int pingtime )
{
	servernode_t*	servernodeptr;
	char*			s;
	int				i;


	if ((pingtime >= ArenaServers_MaxPing()) && (g_servertype != AS_FAVORITES))
	{
		// slow global or local servers do not get entered
		return;
	}

	if (*g_arenaservers.numservers >= g_arenaservers.maxservers) {
		// list full;
		servernodeptr = g_arenaservers.serverlist+(*g_arenaservers.numservers)-1;
	} else {
		// next slot
		servernodeptr = g_arenaservers.serverlist+(*g_arenaservers.numservers);
		(*g_arenaservers.numservers)++;
	}

	Q_strncpyz( servernodeptr->adrstr, adrstr, MAX_ADDRESSLENGTH );

	Q_strncpyz( servernodeptr->hostname, Info_ValueForKey( info, "hostname"), MAX_HOSTNAMELENGTH );
	Q_CleanStr( servernodeptr->hostname );
	Q_strupr( servernodeptr->hostname );

	Q_strncpyz( servernodeptr->mapname, Info_ValueForKey( info, "mapname"), MAX_MAPNAMELENGTH );
	Q_CleanStr( servernodeptr->mapname );
	Q_strupr( servernodeptr->mapname );

	servernodeptr->numclients = atoi( Info_ValueForKey( info, "clients") );
	servernodeptr->maxclients = atoi( Info_ValueForKey( info, "sv_maxclients") );
	servernodeptr->pingtime   = pingtime;
	servernodeptr->minPing    = atoi( Info_ValueForKey( info, "minPing") );
	servernodeptr->maxPing    = atoi( Info_ValueForKey( info, "maxPing") );
	servernodeptr->bPB = atoi( Info_ValueForKey( info, "punkbuster") );

	/*
	s = Info_ValueForKey( info, "nettype" );
	for (i=0; ;i++)
	{
		if (!netnames[i])
		{
			servernodeptr->nettype = 0;
			break;
		}
		else if (!Q_stricmp( netnames[i], s ))
		{
			servernodeptr->nettype = i;
			break;
		}
	}
	*/
	servernodeptr->nettype = atoi(Info_ValueForKey(info, "nettype"));

	s = Info_ValueForKey( info, "game");
	i = atoi( Info_ValueForKey( info, "gametype") );
	if( i < 0 ) {
		i = 0;
	}
	else if( i > 11 ) {
		i = 12;
	}
	if( *s ) {
		servernodeptr->gametype = i;//-1;
		Q_strncpyz( servernodeptr->gamename, s, sizeof(servernodeptr->gamename) );
	}
	else {
		servernodeptr->gametype = i;
		Q_strncpyz( servernodeptr->gamename, gamenames[i], sizeof(servernodeptr->gamename) );
	}
}


/*
=================
ArenaServers_InsertFavorites

Insert nonresponsive address book entries into display lists.
=================
*/
void ArenaServers_InsertFavorites( void )
{
	int		i;
	int		j;
	char	info[MAX_INFO_STRING];

	// resync existing results with new or deleted cvars
	info[0] = '\0';
	Info_SetValueForKey( info, "hostname", "No Response" );
	for (i=0; i<g_arenaservers.numfavoriteaddresses; i++)
	{
		// find favorite address in refresh list
		for (j=0; j<g_numfavoriteservers; j++)
			if (!Q_stricmp(g_arenaservers.favoriteaddresses[i],g_favoriteserverlist[j].adrstr))
				break;

		if ( j >= g_numfavoriteservers)
		{
			// not in list, add it
			ArenaServers_Insert( g_arenaservers.favoriteaddresses[i], info, ArenaServers_MaxPing() );
		}
	}
}


/*
=================
ArenaServers_LoadFavorites

Load cvar address book entries into local lists.
=================
*/
void ArenaServers_LoadFavorites( void )
{
	int				i;
	int				j;
	int				numtempitems;
	char			emptyinfo[MAX_INFO_STRING];
	char			adrstr[MAX_ADDRESSLENGTH];
	servernode_t	templist[MAX_FAVORITESERVERS];
	qboolean		found;

	found        = qfalse;
	emptyinfo[0] = '\0';

	// copy the old
	memcpy( templist, g_favoriteserverlist, sizeof(servernode_t)*MAX_FAVORITESERVERS );
	numtempitems = g_numfavoriteservers;

	// clear the current for sync
	memset( g_favoriteserverlist, 0, sizeof(servernode_t)*MAX_FAVORITESERVERS );
	g_numfavoriteservers = 0;

	// resync existing results with new or deleted cvars
	for (i=0; i<MAX_FAVORITESERVERS; i++)
	{
		trap_Cvar_VariableStringBuffer( va("server%d",i+1), adrstr, MAX_ADDRESSLENGTH );
		if (!adrstr[0])
			continue;

		// quick sanity check to avoid slow domain name resolving
		// first character must be numeric
		if (adrstr[0] < '0' || adrstr[0] > '9')
			continue;

		// favorite server addresses must be maintained outside refresh list
		// this mimics local and global netadr's stored in client
		// these can be fetched to fill ping list
		strcpy( g_arenaservers.favoriteaddresses[g_numfavoriteservers], adrstr );

		// find this server in the old list
		for (j=0; j<numtempitems; j++)
			if (!Q_stricmp( templist[j].adrstr, adrstr ))
				break;

		if (j < numtempitems)
		{
			// found server - add exisiting results
			memcpy( &g_favoriteserverlist[g_numfavoriteservers], &templist[j], sizeof(servernode_t) );
			found = qtrue;
		}
		else
		{
			// add new server
			Q_strncpyz( g_favoriteserverlist[g_numfavoriteservers].adrstr, adrstr, MAX_ADDRESSLENGTH );
			g_favoriteserverlist[g_numfavoriteservers].pingtime = ArenaServers_MaxPing();
		}

		g_numfavoriteservers++;
	}

	g_arenaservers.numfavoriteaddresses = g_numfavoriteservers;

	if (!found)
	{
		// no results were found, reset server list
		// list will be automatically refreshed when selected
		g_numfavoriteservers = 0;
	}
}


/*
=================
ArenaServers_StopRefresh
=================
*/
static void ArenaServers_StopRefresh( void )
{
	if (!g_arenaservers.refreshservers)
		// not currently refreshing
		return;

	g_arenaservers.refreshservers = qfalse;

	if (g_servertype == AS_FAVORITES)
	{
		// nonresponsive favorites must be shown
		ArenaServers_InsertFavorites();
	}

	// final tally
	if (g_arenaservers.numqueriedservers >= 0)
	{
		g_arenaservers.currentping       = *g_arenaservers.numservers;
		g_arenaservers.numqueriedservers = *g_arenaservers.numservers; 
	}
	
	// sort