[jameskmonger]

pawn Код:

public OnPlayerConnect( playerid )
{
    new 
        useUnderscore[ MAX_PLAYERS ] = { 1, ... }
    ;

    new
        pName[ 24 ]
    ;

    GetPlayerName( playerid, pName, sizeof ( pName ) );

    if ( strfind( pName, "Admin", true ) != -1 ) {
        SendClientMessage(playerid, COLOR_BM, ">> OK you are an admin, wait for login..");
        useUnderscore[ playerid ] = 0;
        return 1;
    }

    useUnderscore[ playerid ] = 1;

    if ( useUnderscore[ playerid ] ) {
        if ( strfind( pName, "_", true ) == -1 ) {
            SendClientMessage(playerid, COLOR_BM, ">> Bad nickname.");
            SendClientMessage(playerid, COLOR_BM, ">> Name type: Firstname_Lastname.");
            Kick(playerid);
        }
    }

    return 1;
}