Path: chuka.playstation.co.uk!news
From: "Chris Wallace" <chrisw666@btinternet.com>
Newsgroups: scee.yaroze.freetalk.english
Subject: Re: Basic beginner questions
Date: Sat, 11 May 2002 23:40:44 +0100
Organization: PlayStation Net Yaroze (SCEE)
Lines: 126
Message-ID: <abk702$eeo1@www.netyaroze-europe.com>
References: <abk5nn$ak15@www.netyaroze-europe.com>
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before you try this make a backup.. because i am NOT the best coder here and
i have NOT tested this!  here is what i have done with what you gave:
Firstly, in the loop which was changing the sprite.r values (etc) the sprite
was not written to the screen, vsync doesnt write to the scrren, it waits
for vertical syncronisation, or the end of drawing the last frame (i think),
also to fade in you need to start at 0 and up the r/g/b values, so i have
added a line to set it to 0 and changed to loop to increase values.
Also i saw no code to keep it there are fade it out, i added these although
i dont know if i missed something!
Next i took all you ur writing functions and put them into UpdateScreen();
Personnaly i would put all the sortsprite functions in there, that way
calling it will show a frame, and makes it easier, i have done this also..
I actually doubt this will work, as i have never coding something that
worked first time, as so i hope some1 else will post what they would do!
Anyway, hope this helps!
Chris

void main (void)
{
 int vsync = 0;       // vertical screen sync
 int BufferIndex;      // buffer index
 int frame;

 Initialise();

 InitSprite((u_long *)YAROZE_SCENE_ADD);

 BufferIndex = GsGetActiveBuff();  // Returns either 1 or 0,

 GameState = RUNNING;

 while(GameState)      // Check that we are still playing the game
 {
  switch(GameState)
 {
   case RUNNING:       // The Normal GamePlay


   break;

   case TITLESCREEN:       // The TitleScreen

 sprite.r=sprite.g=sprite.b = 0


     for(frame=0;frame<=(128/3); frame++)
     {
      sprite.r += 3;
      sprite.g += 3;
      sprite.b += 3;

      UpdateScreen();
     }
     for(frame=0;frame<=(50*5); frame++)
     {
            UpdateScreen();
     }
     for(frame=0;frame<=(128/3); frame++)
     }
      sprite.r -= 3;
      sprite.g -= 3;
      sprite.b -= 3;
            UpdateScreen();
     }
   GameState = RUNNING;

     break;

   case PAUSE:       // Pause Command

  break;

   case GAMEOVER:       // GameOver

     break;


  }



   DealWithPad();




 }
 ResetGraph(0);
}


UpdateScreen()
{
 int count;

 // get the active buffer
    BufferIndex = GsGetActiveBuff();

    // sets drawing command storage address
    GsSetWorkBase((PACKET*)packetAre[BufferIndex]);

    // initialises the ordering table
    GsClearOt(0, 0, &WorldOT[BufferIndex]);

    // rendering done here

 for( count =0; count <8; count++ )
         FntFlush(fnt_id[count]);


      GsSortSprite(&sprite,&WorldOT[BufferIndex],0);


    // wait for vertical synchronisation
    //DrawSync(0);
    VSync(0);    // 0: blocking until vertical synch occurs

    // swap double buffers, (changes the display buffer and drawing buffer)
    GsSwapDispBuff();

 // start execution of the drawing command registered in OT
    GsDrawOt(&WorldOT[BufferIndex]);

}