fix hokey pokey menu

the menu eases in, the menu eases out, the menu eases in and you shake it all about

vacuum_gambit.p8

@@ -185,6 +185,10 @@ function call_move(x)
 end
 
 function updategame()
+ if (primary_ship.xp >= primary_ship.xptarget) and (lframe - primary_ship.last_xp_frame > 0x0.000f) and (not primary_ship.dead) then
+  mode = rearm_mode.new()
+  return _update60()
+ end
  leveldone = level_frame()
  events:vore(new_events)
  events:strip(call_move)
@@ -271,6 +275,7 @@ function _draw()
 end
 
 function drawgame_top()
+ camera()
  fillp(0)
  drawgame()
  if (game_state == game) fadelvl = -45
@@ -960,6 +965,7 @@ player = mknew(ship_m.new{
  -- xp in increments of 0x0.0001
  xp = 0,
  xptarget = 0x0.0004,
+ last_xp_frame = 0,
  level = 1,
 
  -- gun
@@ -1751,6 +1757,161 @@ function spawn_spec_gun_at(x, y, gunt)
  gun_p:spawn_at(x, y)
 end
 
+-->8
+-- rearm screen
+
+rearm_mode = mknew{
+ sel=1,
+ bfm=1,
+ crt_frm = 1,
+ pos=-1,
+ init=function(this)
+  poke(0x5f5c, 255) --no btnp repeat
+  rearm_mode.shuffle(this)
+ end,
+}
+
+crt={-91,-166,-2641,-1441,-23041,23295,-20491,24570}
+
+function rearm_mode:glow_box(x0, y0, x1, y1, c, cf)
+ for i,v in ipairs{c[1],c[2],c[1],0} do
+  i -= 1
+  rect(x0+i,y0+i,x1-i,y1-i,v)
+ end
+ fillp(crt[self.crt_frm&0xff])
+ rectfill(x0+4, y0+4, x1-4, y1-4, cf)
+ fillp()
+end
+
+function easeoutbounce(t)
+	local n1=7.5625
+	local d1=2.75
+
+	if (t<1/d1) then
+		return n1*t*t;
+	elseif(t<2/d1) then
+		t-=1.5/d1
+		return n1*t*t+.75;
+	elseif(t<2.5/d1) then
+		t-=2.25/d1
+		return n1*t*t+.9375;
+	else
+		t-=2.625/d1
+		return n1*t*t+.984375;
+	end
+end
+
+
+function rearm_mode:frame_col(hot)
+ if (not hot) return {4,10}
+ if (self.bfm<=16) return {14,7}
+ return {2,8}
+end
+
+function rearm_mode:draw_option(id)
+ local rec = self.options[id]
+ self:glow_box(0,0,55,100,self:frame_col(self.sel == id),1)
+ spr(rec.s,5, 5)
+ print(rec.hdr, 13, 8, 7)
+ print(rec.body, 5, 15, 6)
+end
+
+function rearm_mode:pos_frac()
+ local pos = self.pos
+ if (not pos) return
+ if (pos < 0) return 1-easeoutbounce(1+pos)
+ if (pos > 0) return (1-pos)*(1-pos)
+ return 0
+end
+
+function rearm_mode:shuffle()
+ -- these will be placeholders
+ -- until the upgrade deck
+ -- is a thing that exists
+ self.options = {{
+  s=1,
+  hdr=" hull",
+  body = "\n    +1\n   max\n  health",
+  action = function() end,
+ },{
+  s=37,
+  hdr=" vulc",
+  body = "\nplaceholder",
+  action = function() end,
+ }}
+end
+
+function rearm_mode:draw()
+ drawgame_top()
+ local frac = self:pos_frac()
+ camera(frac * 55, 0)
+ self:draw_option(1)
+ camera(frac * -128 + (1-frac) * -56, 0)
+ self:draw_option(2)
+ camera(0, -28 * frac)
+ self:glow_box(0,101,111,127,self:frame_col(self.sel < 0),1)
+ spr(96,15,107,4,2)
+ print("full ammo\nfull shield\n+50% health",54, 106, 6)
+end
+
+function rearm_mode:update_pos()
+ local pos = self.pos
+ if (not pos) return
+ if (pos == 0) then
+  if (primary_ship.xp < primary_ship.xptarget) self.pos = 1
+  xpwhoosh = nil
+  return
+ end
+ if (pos < 0) pos = min(pos + 0x0.05, 0)
+ if pos > 0 then
+  pos -= 0x0.1
+  if (pos <= 0) pos = 999
+ end
+ self.pos = pos
+end
+
+function rearm_mode:update()
+ self:update_pos()
+ if self.pos > 1 then
+  mode = game_mode
+  return  -- do not advance frame
+ end
+ local sel, bfm = self.sel, self.bfm
+ if (btn(3) and sel > 0 or btn(2) and sel < 0) sel=-sel
+ if (btn(0)) sel = 1
+ if (btn(1)) sel = 2
+ if (btn()&0xF ~= 0) and bfm >= 10 or bfm >= 30 then
+  bfm = 1
+ else
+  bfm += 1
+ end
+ self.bfm = bfm
+
+ if primary_ship.xp < primary_ship.xptarget then
+  sel = 0
+ elseif btnp(4) or btnp(5) and self.pos == 0 then
+  if sel < 0 then
+   -- todo: sound: rearm
+   primary_ship.shield = primary_ship.maxshield
+   -- todo: rewrite for three guns
+   if (primary_ship.special_gun) primary_ship.special_gun.ammo = primary_ship.special_gun.max_ammo
+   primary_ship.hp = min(primary_ship.maxhp, primary_ship.hp + primary_ship.maxhp/2)
+   primary_ship.xp -= primary_ship.xptarget / 2
+  else
+   local c = self.options[sel]
+   if c then
+    -- todo: sound: upgrade
+    c:action()
+    primary_ship.xp -= primary_ship.xptarget
+    primary_ship.xptarget += primary_ship.level * 0x0.0002
+    primary_ship.level += 1
+    if (primary_ship.xp >= primary_ship.xptarget) self:shuffle()
+   end
+  end
+ end
+ self.sel = sel
+end
+
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@@ -1796,6 +1957,26 @@ c1111111111d0000c1111111111d0000c1111111111d0000c111eeee111d0000c11e2222e11d0000
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