Path: chuka.playstation.co.uk!news
From: Alex Herbert <aherbert@ndirect.co.uk>
Newsgroups: scee.yaroze.programming.2d_graphics
Subject: Re: Big Problem!!!! PLEASE HELP
Date: Wed, 17 Feb 1999 12:52:35 +0000
Organization: PlayStation Net Yaroze (SCEE)
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References: <36C69821.64DD0473@yahoo.com> <36C9B001.91B95293@vmlabs.com>
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With that syntax, the add should happen before the type casting, so that
should be ok - unless PlayerAdd is already a u_long *.

Herbs


Scott Cartier wrote:

> I'm not sure of my C order-of-operations, but you might need to change
> it to "+1" instead of "+4".  Since you're casting it to a u_long
> pointer, adding 4 actually adds "4 * sizeof(u_long *)" which would be
> 16 bytes.  Since you only want to skip the first four bytes you'd need
> to change it to a one.
>
> Again, I'm not sure if it will do the add before or after the type
> casting.  If it adds first then you're probably correct the way you
> have it.
>
> Scott
>
> > I am trying to display a normal sprite in a game but it just locks up
> > when the program runs.  By putting some printf's in i found it locked up
> > when it reached the following line of code:
> >
> > GsGetTimInfo ((u_long *)(PlayerAdd+4),&tim_data3);
> >
> > I have looked at this for hours and hours and found nothing wrong, i
> > have declared everything and set it all up correct but still no luck.
> >
> > Please can somebody help me!!
> >
> > Thanx!!