Path: chuka.playstation.co.uk!news
From: Max <mad.max@which.net>
Newsgroups: scee.yaroze.freetalk.english
Subject: Re: 2D Tutorial... Need help - please
Date: Thu, 11 Jan 2001 21:05:50 +0000
Organization: Max Studios
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Thanks all... I believe I have 'seen the light'.

Max

Max wrote:

> Following a screw up on the Yaroze Scene message boards I will post it
> here instead:
>
> Amoungst other stuff I am doing right now I am learning a bit of 2D on
> the Yaroze. As I learn I am doing a tutorial so that others can benefit.
> This tutorial will of course be exclusive to Yaroze Scene, But I am
> having a bit of trouble...
>
> Can anyone tell me please what exactly these lines of code mean?
>
> 1. static GsOT_TAG wtags[2][1<<OT_LENGTH];
> 2. #define PACKETMAX2 (PACKETMAX*24)
> 3. static PACKET packetArea[2][PACKETMAX2];
>
> 1. why is this a two dimensional array and what should [1<<OT_LENGTH]
> equate to (OT_LENGTH is 9 btw)?
> 2. why is a second PACKETMAX needed and why does the coder not put in
> the actual number value instead of doing a multiplication?
> 3. why is this a two dimensional array and does anyone know where the
> library reference is for the PACKET structure is?
>
> I also wish to know what a packet is... is it the smallest amount of
> data that can be processed by the GPU at any one time?
>
> I know there are a lot of experienced 2D Yaroze coders out there so
> help!!!!
> No doubt I will have many more questions later so look out :)
>
> Cheers all
> Max