Method onRender

Engine/source/gui/editor/guiGraphCtrl.cpp:131–256

//-----------------------------------------------------------------------------

void GuiGraphCtrl::onRender(Point2I offset, const RectI &updateRect)
{   
   if (mBlendSB.isNull())
   {
      GFXStateBlockDesc desc;

      desc.setBlend(true, GFXBlendSrcColor, GFXBlendInvSrcColor);
      mBlendSB = GFX->createStateBlock(desc);

      desc.setBlend(false, GFXBlendOne, GFXBlendZero);
      mSolidSB = GFX->createStateBlock(desc);

   }

   GFX->setStateBlock( mBlendSB );
   
	GFX->getDrawUtil()->drawRectFill( updateRect, mProfile->mFillColor );
   
   GFX->setStateBlock( mSolidSB );

   const Point2I globalPos = getGlobalBounds().point;
   const F32 midPointY = F32( globalPos.y ) + F32( getExtent().y ) * mCenterY;

	for( S32 k = 0; k < MaxPlots; ++ k )
	{
		// Check if there is an autoplot and the proper amount of time has passed, if so add datum.
		if( mAutoPlot[ k ] && mAutoPlotDelay[ k ] < (Sim::getCurrentTime() - mAutoPlotLastDisplay[ k ] ) )
		{
         mAutoPlotLastDisplay[ k ] = Sim::getCurrentTime();
         addDatum( k, Con::getFloatVariable( mAutoPlot[ k ] ) );
		}

		// Nothing to graph
		if( mGraphData[ k ].size() == 0 )
			continue;

		// Adjust scale to max value + 5% so we can see high values
		F32 Scale = F32( getExtent().y ) / F32( mGraphMax[ k ] * 1.05 );
      
      const S32 numSamples = mGraphData[ k ].size();

      switch( mGraphType[ k ] )
      {
         case Bar:
         {
            F32 prevOffset = 0;

            for( S32 sample = 0; sample < numSamples; ++ sample )
            {                  
               PrimBuild::begin( GFXTriangleStrip, 4 );
               PrimBuild::color( mGraphColor[ k ] );

               F32 offset = F32( getExtent().x ) / F32( MaxDataPoints ) * F32( sample + 1 );

               PrimBuild::vertex2f( globalPos.x + prevOffset,
                  midPointY - ( getDatum( k, sample ) * Scale ) );

               PrimBuild::vertex2f( globalPos.x + offset,