Re: [Gamedevlists-brew] porting a database file from BREW to J2ME

[David P. <da...@ma...>]

What i usually do in my java games, is to split up the big resources (>80kb) 
into small ones, ~20kb each. Therefore i dont end up having too many files 
(which would increase the jar/zip header), and it also reduces the memory 
overhead when opening the filestream. Never had to use any compression algo, 
appart for rle8/16 for some maps..


----- Original Message ----- 
From: "Tom Park" <bre...@ac...>
To: <gam...@li...>
Sent: Sunday, December 12, 2004 2:09 AM
Subject: Re: [Gamedevlists-brew] porting a database file from BREW to J2ME


>> Is there sneaky way to use the built-in zip decompressor that is required
>> for decompressing the jar and png files?  I was thinking of putting the 
>> data
>> in a fake PNG 24-bit image, but I don't see a way to read it.  It would 
>> be a
>> shame to have to bring along a ZIP decompressor in my jar, just because 
>> they
>> didn't expose it in the MIDP API.
>
> Oh, have you not tried this method?
>
>   InputConnection conn = Connector.open("jar:/dictionary.jar", 
> Connector.READ);
>   DataInputStream dis = conn.openDataInputStream();
>
> Just kidding. It's annoying that they didn't expose an
> inflate in MIDP2. They did add Image.getRGB, but that
> still doesn't help because the values can be altered
> to phone-safe colors.
>
> You said you already have a decompressor, but you might
> be interested in looking at this one:
> http://www.java4ever.com/index.php?section=j2me&project=apime&menu=download&lang=en
>
>> Given that some phones decompress the application at install time, as Tom 
>> P
>> explains, it seems that I can't rely on the zip compression in the jar 
>> file
>> alone.
>
> Well, you could make a separate version for iDEN phones.
> --t
>
>
>
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