Method rebuild

Engine/source/gui/worldEditor/terrainEditor.cpp:408–477

}

void BoxBrush::rebuild()
{
   PROFILE_SCOPE( TerrainEditor_BoxBrush_Rebuild );

   reset();

   const F32 squareSize = mGridPoint.terrainBlock->getSquareSize();

   mRenderList.setSize(mSize.x*mSize.y);

   Point3F center( F32(mSize.x - 1) / 2.0f * squareSize, F32(mSize.y - 1) / 2.0f * squareSize, 0.0f );

   Filter filter;
   filter.set(1, &mTerrainEditor->mSoftSelectFilter);

   const Point3F mousePos = mTerrainEditor->getMousePos();

   F32 xFactorScale = center.x / ( center.x + 0.5f );
   F32 yFactorScale = center.y / ( center.y + 0.5f );

   const F32 softness = mTerrainEditor->getBrushSoftness();
   const F32 pressure = mTerrainEditor->getBrushPressure();

   Point3F posw( 0,0,0 );
   Point2I posg( 0,0 );
   Vector<GridInfo> infos;

   for ( S32 x = 0; x < mSize.x; x++ )
   {
      for(S32 y = 0; y < mSize.y; y++)
      {
         F32 xFactor = 0.0f;
         if ( center.x > 0 )
            xFactor = mAbs( center.x - x ) / center.x * xFactorScale;

         F32 yFactor = 0.0f;
         if ( center.y > 0 )
            yFactor = mAbs( center.y - y ) / center.y * yFactorScale;

         S32 &rl = mRenderList[x*mSize.x+y];

         posw.x = mousePos.x + (F32)x * squareSize - center.x;
         posw.y = mousePos.y + (F32)y * squareSize - center.y;
         // round to grid coords
         GridPoint gridPoint = mGridPoint;
         mTerrainEditor->worldToGrid( posw, gridPoint );

         // Check that the grid point is valid within the terrain.  This assumes
         // that there is no wrap around past the edge of the terrain.
         if(!mTerrainEditor->isPointInTerrain(gridPoint))
         {
            rl = -1;
            continue;
         }

         infos.clear();
         mTerrainEditor->getGridInfos( gridPoint, infos );