unit_drawer::unit_drawer(display & thedisp, std::map<surface,SDL_Rect> & bar_rects) :
disp(thedisp),
dc(disp.get_disp_context()),
map(dc.map()),
teams(dc.teams()),
halo_man(thedisp.get_halo_manager()),
energy_bar_rects_(bar_rects),
viewing_team(disp.viewing_team()),
playing_team(disp.playing_team()),
viewing_team_ref(teams[viewing_team]),
playing_team_ref(teams[playing_team]),
is_blindfolded(disp.is_blindfolded()),
show_everything(disp.show_everything()),
sel_hex(disp.selected_hex()),
mouse_hex(disp.mouseover_hex()),
zoom_factor(disp.get_zoom_factor()),
hex_size(disp.hex_size()),
hex_size_by_2(disp.hex_size()/2)
{}
