Path: chuka.playstation.co.uk!scea!greg_labrec@interactive.sony.com
From: Pepper Miller <mill1076@gold.tc.umn.edu>
Newsgroups: scea.yaroze.beginners
Subject: Re: Sprite Display problems
Date: Sat, 07 Jun 1997 15:38:49 -0500
Organization: SCEA Net Yaroze News
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Message-ID: <3399C6D9.5E30@gold.tc.umn.edu>
References: <3398D47A.77F3@gold.tc.umn.edu> <3398d5cb.46088567@205.149.189.29> <3398F8CB.24D2@gold.tc.umn.edu> <33997b8e.370186@205.149.189.29>
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Here's the latest version of my code, I think the format is off, Code Warrior doesn't
exactly like you to get your code out of their program.  (forgive me if there was a
better way to put my code up, I generally stay away from the Web)


#include "libps.h"
#include "pad.h"

// Defines
#define OT_LENGTH 1
#define SPRITE_LOCAL 0x80090000
#define SPRITE_COUNT (1+1)

// Global Variables
static GsOT          WorldOT[2];
static GsOT_TAG      OTTags[2][1<<OT_LENGTH];
static PACKET        GpuPacketArea[2][24*28*12];
GsSPRITE      sprt;
GsIMAGE       *tim;

static u_long PadRead(void);

volatile u_char *bb0, *bb1;

main()
{
      int i;
      int activeBuff;
      RECT rect;
      u_long pad;

      SetVideoMode( MODE_NTSC );

//      ResetGraph(0);

      GsInitGraph(320,240,4,0,0);
      GsDefDispBuff(0,0,0,240);

      for (i = 0; i < 2; i++)
      {
         WorldOT[i].length = OT_LENGTH;
         WorldOT[i].org = OTTags[i];
      }

//      GsClearOt(0,0, &WorldOT[activeBuff]);


      GsGetTimInfo((u_long *)(SPRITE_LOCAL+4), tim);

      rect.x = tim->px;
      rect.y = tim->py;
      rect.w = tim->pw;
      rect.h = tim->ph;
      LoadImage(&rect, tim->pixel);
      rect.x = tim->cx;
      rect.y = tim->cy;
      rect.w = tim->cw;
      rect.h = tim->ch;
           LoadImage(&rect, tim->clut);

            sprt.attribute = (0x1<<24);
            sprt.x = 94;
            sprt.y = 50;
            sprt.w = (tim->pw*2)-1;
            sprt.h = tim->ph;
            sprt.tpage = GetTPage(1,0,tim->px,tim->py);
            sprt.u = 0;
            sprt.v = 0;
            sprt.cx = tim->cx;
            sprt.cy = tim->cy;
            sprt.r = 128;
            sprt.g = 128;
            sprt.b = 128;
            sprt.mx = 0;
            sprt.my = 0;
            sprt.scalex = ONE;
            sprt.scaley = ONE;
            sprt.rotate = 0;

            DrawSync(0);
            GetPadBuf(&bb0, &bb1);

            while(!(pad & PADstart))
            {
               activeBuff = GsGetActiveBuff();

               GsSetWorkBase((PACKET *)GpuPacketArea[activeBuff]);

               GsClearOt(0,0, &WorldOT[activeBuff]);

               GsSortFastSprite(&sprt, &WorldOT[activeBuff],0);

               DrawSync(0);
               VSync(0);

               GsSwapDispBuff();
               GsSortClear(0,0,4,&WorldOT[activeBuff]);
               GsDrawOt(&WorldOT[activeBuff]);
               pad = PadRead();
             }
             printf("End of main.\n");
             ResetGraph(3);
           }

static u_long PadRead(void)
{
      return(~(*(bb0+3) | *(bb0+2) << 8 | *(bb1+3) << 16 | *(bb1+2) << 24));
}