Method setShaderParams

Engine/source/environment/waterObject.cpp:931–1063

}

void WaterObject::setShaderParams( SceneRenderState *state, BaseMatInstance *mat, const WaterMatParams &paramHandles )
{
   MaterialParameters* matParams = mat->getMaterialParameters();

   matParams->setSafe( paramHandles.mElapsedTimeSC, (F32)Sim::getCurrentTime() / 1000.0f );
   
   // set vertex shader constants
   //-----------------------------------   
   
   Point2F reflectTexSize( mPlaneReflector.reflectTex.getWidth(), mPlaneReflector.reflectTex.getHeight() );
   matParams->setSafe( paramHandles.mReflectTexSizeSC, reflectTexSize );

   static AlignedArray<Point2F> mConstArray( MAX_WAVES, sizeof( Point4F ) );   

   // Ripples...

   for ( U32 i = 0; i < MAX_WAVES; i++ )
      mConstArray[i].set( -mRippleDir[i].x, -mRippleDir[i].y );
   matParams->setSafe( paramHandles.mRippleDirSC, mConstArray );

   Point3F rippleSpeed( mRippleSpeed[0], mRippleSpeed[1], mRippleSpeed[2] );        
   matParams->setSafe( paramHandles.mRippleSpeedSC, rippleSpeed );

   Point4F rippleMagnitude( mRippleMagnitude[0], 
                            mRippleMagnitude[1], 
                            mRippleMagnitude[2],
                            mOverallRippleMagnitude );
   matParams->setSafe( paramHandles.mRippleMagnitudeSC, rippleMagnitude );

   for ( U32 i = 0; i < MAX_WAVES; i++ )
   {
      Point2F texScale = mRippleTexScale[i];
      if ( texScale.x > 0.0 )
         texScale.x = 1.0 / texScale.x;
      if ( texScale.y > 0.0 )
         texScale.y = 1.0 / texScale.y;

      mConstArray[i].set( texScale.x, texScale.y );
   }
   matParams->setSafe(paramHandles.mRippleTexScaleSC, mConstArray);

   static AlignedArray<Point4F> mConstArray4F( 3, sizeof( Point4F ) );

   F32 angle, cosine, sine;

   for ( U32 i = 0; i < MAX_WAVES; i++ )
   {
      angle = mAtan2( mRippleDir[i].x, -mRippleDir[i].y );
      cosine = mCos( angle );
      sine = mSin( angle );

      mConstArray4F[i].set( cosine, sine, -sine, cosine );
      matParams->setSafe( paramHandles.mRippleMatSC, mConstArray4F );
   }

   // Waves...

   for ( U32 i = 0; i < MAX_WAVES; i++ )