refactor - move objects_to_draw and tiles_to_draw closer to their usages
refactor - move objects_to_draw and tiles_to_draw closer to their usages

This doesn't seem to hurt performance.  I was hoping it might help
because of space or time locality but it didn't
(pressure_tunnel -lne301)

Lasercake/Lasercake,Lasercake/Lasercake,elidupree/Lasercake,elidupree/Lasercake,elidupree/Lasercake,idupree/Lasercake,idupree/Lasercake,Lasercake/Lasercake,idupree/Lasercake,Lasercake/Lasercake,idupree/Lasercake,idupree/Lasercake,elidupree/Lasercake,Lasercake/Lasercake,idupree/Lasercake,idupree/Lasercake,elidupree/Lasercake,elidupree/Lasercake,elidupree/Lasercake