anchor.diff:  
   REM create engine project
   genie.exe --embed-resources --static-physx vs2019
  +if not %errorlevel%==0 pause
   
   REM build engine.exe with bundled data
   cd ..\data
  
positive.code: move data.tar ../src/studio
  cd ..\projects\
  %msbuild_cmd% tmp/vs2019/LumixEngine.sln /p:Configuration=RelWithDebInfo
  del ..\src\studio\data.tar
  
  REM push gl version
  
negative.code: move data.tar ../src/studio
  cd ..\projects\
  %msbuild_cmd% tmp/vs2019/LumixEngine.sln /p:Configuration=RelWithDebInfo
  if not %errorlevel%==0 pause
  del ..\src\studio\data.tar
  
  REM push gl version
  mkdir itch_io
  copy tmp\vs2019\bin\RelWithDebInfo\studio.exe itch_io\
  butler.exe push itch_io mikulasflorek/lumix-engine:win-64-gl
  if not %errorlevel%==0 pause
  
  REM download dx
  pushd ..\plugins
  git.exe clone https://github.com/nem0/lumixengine_dx.git dx
  if not %errorlevel%==0 pause
  popd
  
  REM build engine.exe with bundled data
  