code mark

inline fx32 gFxDiv(fx32 numer, fx32 denom)
{
 if(denom==0)
 {
  OS_Printf("Error! Division by zero!!!/n");
  return 0;
 }
    FX_DivAsync(numer, denom);
    return FX_GetDivResult();
}

inline fx32 gFxMul(fx32 v1, fx32 v2)
{
 s64 result = ((fx64)(v1) * (v2) + 0x800LL) >> FX32_SHIFT;
 if(result<FX32_MIN||result>FX32_MAX)
 {
  WARNING((result > FX32_MIN && result < FX32_MAX), "gFxMul: Overflow/Underflow");
  if (result < FX32_MIN) return FX32_MIN;
  if (result > FX32_MAX) return FX32_MAX;
 }

 return FX32_CAST(result);
}

 

//////////////////////////////////////////////////////////////////////
// Render tags
//////////////////////////////////////////////////////////////////////
void CarTag::render()
{
 if ( True == mTagInfo[QUICK_TIME_EVENT].state )
 {
  Vector3Fx offset;
 
  Vector3Fx normal = mCar->getCarOnTrack().getNormal();
  offset = normal * mTagInfo[QUICK_TIME_EVENT].height;
 
  /*BillboardRenderer::setTexture(sQuickTimeEventTextures[mTagInfo[QUICK_TIME_EVENT].param]);
  BillboardRenderer::setAlpha( (u8)mTagInfo[QUICK_TIME_EVENT].alpha  );
  BillboardRenderer::setColor(0x7fff);
  
  BillboardRenderer::setCameraPos(CameraManager::getCurrentCamera()->getPosition());
  BillboardRenderer::setCameraMatrix(CameraManager::getCurrentCamera()->mLookAt.matrix);

  VecFx32 position;
  position.x = offset.x + mCar->getPosition().x;
  position.y = offset.y + mCar->getPosition().y;
  position.z = offset.z + mCar->getPosition().z;
  BillboardRenderer::render(mTagInfo[QUICK_TIME_EVENT].size, position); */
  
  CarRenderer& carRenderer = mCar->getCarRenderer();
  Vector3Fx  position = carRenderer.getWorldPosition();
  position  += offset;
  G3_MtxMode(GX_MTXMODE_POSITION_VECTOR);
  G3_PushMtx();
  G3_Translate(position.x, position.y, position.z);
  G3_MultMtx33(&carRenderer.getRotation());
  
  G3_PositionTest(0,0,0);
  VecFx32 screenPos;
  fx32 screenPosW;
  while(G3X_GetPositionTestResult(&screenPos,&screenPosW)){};
  
  screenPos.x= gFxDiv((screenPos.x+ screenPosW),
              gFxMul(screenPosW, 2*FX32_ONE));
        screenPos.y= gFxDiv((screenPos.y+ screenPosW),
              gFxMul(screenPosW, 2*FX32_ONE));
        screenPos.x= gFxMul(screenPos.x, 255 * FX32_ONE) >> FX32_SHIFT;
  screenPos.y= 191-(gFxMul(screenPos.y, 191 * FX32_ONE) >> FX32_SHIFT);
  
  fx16  vx[4];
  fx16  vy[4];
  
  NTTexture* ptexture = sQuickTimeEventTextures[mTagInfo[QUICK_TIME_EVENT].param];
  
  G3_TexImageParam( ptexture->getTextureFormat(),
  GX_TEXGEN_TEXCOORD,             // use texcoord
  ptexture->getTexSizeS(),
  ptexture->getTexSizeT(),
  ptexture->getRepeatMode(),  // repeat S & T
  ptexture->getFlipMode(),        // no flip
  ptexture->getColor0Mode(),  // mColor 0 is transparent
  (unsigned long)ptexture->getTextureAdress() // the offset of the mTexture image
  );

  G3_TexPlttBase((unsigned long)ptexture->getPaletteAdress(), ptexture->getTextureFormat() );

  G3_PolygonAttr(
   GX_LIGHTMASK_NONE,                    // disable lights
   GX_POLYGONMODE_MODULATE,              // modulation mode GX_POLYGONMODE_DECAL,//
   GX_CULL_NONE,        // cull back
   RaceStateRenderer::getPolygonId(RaceStateRenderer::POLYGON_BILLBOARD),          // polygon ID (0 - 63)
   31,                      // alpha (0 - 31)
   GX_POLYGON_ATTR_MISC_NONE     // OR of GXPolygonAttrMisc's value
   );

  int height = ptexture->getHeight();
  int width = ptexture->getWidth();
  
  vx[0] = (fx16)((screenPos.x - width / 2));
  vy[0] = (fx16)((screenPos.y + height / 2));
  vx[1] = (fx16)((screenPos.x - width / 2));
  vy[1] = (fx16)((screenPos.y - height / 2));
  vx[2] = (fx16)((screenPos.x + width / 2));
  vy[2] = (fx16)((screenPos.y - height / 2));
  vx[3] = (fx16)((screenPos.x + width / 2));
  vy[3] = (fx16)((screenPos.y + height / 2));
  
  fx32 u[4];
  fx32 v[4];
  u[0] = 0;
  v[0] = ptexture->getHeight() * FX32_ONE;
  u[1] = 0;
  v[1] = 0;
  u[2] = ptexture->getWidth() * FX32_ONE;
  v[2] = 0;
  u[3] = ptexture->getWidth() * FX32_ONE;
  v[3] = ptexture->getHeight() * FX32_ONE;
  
  G3_MtxMode(GX_MTXMODE_PROJECTION);
     G3_PushMtx();
  G3_Identity();
  
  G3_Ortho( 0, Renderer::SCREEN_HEIGHT,
      0, Renderer::SCREEN_WIDTH,
      0, 0xffff,
      NULL);

  G3_MtxMode(GX_MTXMODE_POSITION_VECTOR);
  G3_PushMtx();
  G3_Identity();
  
  G3_Begin(GX_BEGIN_QUADS);
  G3_Color(0x7fff); 
  
  for (int i = 0; i < 4; i++)
  {  
   if(ptexture)
   { 
    G3_TexCoord( u[i], v[i] );
    G3_Vtx(vx[i], vy[i], (short)0x8000);
   }
   else
   {
    G3_Vtx(vx[i], vy[i], (short)0x8000);
   }
  }

  G3_End();
  
  G3_MtxMode(GX_MTXMODE_PROJECTION);
  G3_PopMtx(1);
  G3_MtxMode(GX_MTXMODE_POSITION_VECTOR);
  G3_PopMtx(1);
  
  
  
  G3_PopMtx(1);
 }
}