-- menu: splash + title menu

function init_splash()
 scr=0 stik=0 music(9)  -- eerie slow drone under the splash + title
end

function to_menu()
 scr=1 music(9)  -- pause-menu "main menu": straight to the title, no splash
end

function update_splash()
 stik+=1
 if stik>132 or btnp(4) or btnp(5) then scr=1 end
end

function draw_splash()
 cls(0)
 draw_balloon(64,38+sin(t()/2)*3)  -- hot-air balloon bobbing over the logo
 draw_logo(64,76,3)
 print("@vinnymac.dev",75,122,6)  -- author handle, bottom-right
 -- one fade-out to black near the end (idx 5=clear .. 1=black, so count DOWN)
 if stik>114 then fadeover(6-(stik-114)/3.6) end
end

function update_menu()
 if btnp(0) then diff=max(1,diff-1) sfx(0) end
 if btnp(1) then diff=min(3,diff+1) sfx(0) end
 if btnp(2) or btnp(3) then timed=not timed sfx(0) end
 if btnp(4) or btnp(5) then init_play() end
end

function draw_menu()
 cls(0)
 for o=1,127,3 do
  local h=13+sin(o*0.17+t()*2.1)*7+sin(t()*1.6+o*0.09)*4+rnd(4)
  for d=0,h,2 do
   local f=d/h
   circfill(o+sin(t()*2+f*3+o*0.1)*f*2,128-d,(1-f)*2.2+0.5,fcol(f))
  end
 end
 draw_logo(64,12,2.4)
 pr_c("save the packages from",64,40,7)
 pr_c("dependency hell",64,48,8)
 pr_c("\139\145 diff: "..diffnames[diff],64,72,12)
 pr_c("\148\131 mode: "..(timed and "timed" or "zen"),64,82,timed and 8 or 11)
 local r,w=dget(1),dget(3)
 if r>0 then pr_c("rescued: \fb"..r.."\f7"..(w>0 and"  wins: \fb"..w or""),72,93,7) end
 pr_c("press \151 to start",64,104,7)
end