[Mean]

pawn Код:

public OnGameModeInit( ) 
{
    SetTimer( "opengate", (1 * 1000), 1 );
    SetTimer( "closegate", (1 * 1000), 1 );
    return true;
}

Down somewhere...

pawn Код:

forward opengate( );
public opengate( ) 
{
    for( new i = 0; i < MAX_PLAYERS; i++ ) 
    {
        if ( IsPlayerInRangeOfPoint( i, 5.0, Float:x, Float:y, Float:z ) ) // CHANGE THE X, Y, Z
            MoveObject( Minigame, 1845.92114258,-1898.49877930,36.24028015,3 );
    }
    return true;
}

pawn Код:

forward closegate( );
public closegate( )
{
    new a = 0;
    for( new i = 0; i < MAX_PLAYERS; i++ )
    {
        if ( IsPlayerInRangeOfPoint( i, 5.0, Float:x, Float:y, Float:z ) ) // CHANGE THE X, Y, Z TOO
        {
            a++;
        }
    }
    if ( a == 0 )  // If no one is close to the gates, it will close them!
        MoveObject( Minigame, 1877.67846680,-1875.85620117,36.24028015,3 );
    return true;
}