Drawing of background/overlay/header/footer

gistfile1.txt

texturepack --> file from texturepack
game        --> file from game
default     --> file from engine

Overlay/Background
---------------------------------------------------------------------------------
background false

if singleplayertab

   try1 texturepack game overlay      --> successfull
   try2 game overlay                  --> successfull

   try1 texturepack game background   --> successfull --> background true
   try2 game background               --> successfull --> background true

else
   try1 texturepack overlay           --> successfull
   try2 default overlay               --> successfull

   try1 texturepack background        --> successfull --> background true
   try2 default background            --> successfull --> background true

disable clouds

if not background and clouds enabled
   set clouds
  

Header/Footer
---------------------------------------------------------------------------------

if singleplayer tab
   try1 texturepack game --> successfull done
   try2 game             --> successfull done
   reset to empty
else
   try1 texturepack      --> successfull done
   try2 default          --> successfull done
   reset to empty