Method _initShader

Engine/source/environment/scatterSky.cpp:711–761

}

bool ScatterSky::_initShader()
{
   ShaderData *shaderData;
   if ( !Sim::findObject( "ScatterSkyShaderData", shaderData ) )
   {
      Con::warnf( "ScatterSky::_initShader - failed to locate shader ScatterSkyShaderData!" );
      return false;
   }
      Vector<GFXShaderMacro> macros;
   if ( mColorizeAmt )
      macros.push_back( GFXShaderMacro( "USE_COLORIZE" ) );

   mShader = shaderData->getShader( macros );

   if ( !mShader )
      return false;

   if ( mStateBlock.isNull() )
   {
      GFXStateBlockData *data = NULL;
      if ( !Sim::findObject( "ScatterSkySBData", data ) )
         Con::warnf( "ScatterSky::_initShader - failed to locate ScatterSkySBData!" );
      else
         mStateBlock = GFX->createStateBlock( data->getState() );
     }

   if ( !mStateBlock )
      return false;

   mShaderConsts = mShader->allocConstBuffer();
   mModelViewProjSC = mShader->getShaderConstHandle( "$modelView" );

   // Camera height, cam height squared, scale and scale over depth.
   mMiscSC = mShader->getShaderConstHandle( "$misc" );

   // Inner and out radius, and inner and outer radius squared.
   mSphereRadiiSC = mShader->getShaderConstHandle( "$sphereRadii" );

   // Rayleigh sun brightness, mie sun brightness and 4 * PI * coefficients.
   mScatteringCoefficientsSC = mShader->getShaderConstHandle( "$scatteringCoeffs" );
   mCamPosSC = mShader->getShaderConstHandle( "$camPos" );
   mLightDirSC = mShader->getShaderConstHandle( "$lightDir" );
   mSunDirSC = mShader->getShaderConstHandle( "$sunDir" );
   mNightColorSC = mShader->getShaderConstHandle( "$nightColor" );
   mInverseWavelengthSC = mShader->getShaderConstHandle( "$invWaveLength" );
   mNightInterpolantAndExposureSC = mShader->getShaderConstHandle( "$nightInterpAndExposure" );
   mUseCubemapSC = mShader->getShaderConstHandle( "$useCubemap" );
   mColorizeSC = mShader->getShaderConstHandle( "$colorize" );

   return true;
}

void ScatterSky::clearVectors()
{