start of normal ship upgrades

todo: thrust upgrade

vacuum_gambit.p8

@@ -1068,6 +1068,62 @@ player = mknew(ship_m.new{
  end,
 })
 
+function player:small_upgrade_opts()
+ local cdr, pr = (self.shieldcooldown - 0x0.000f) / 8, (self.shieldpenalty - 0x0.003c) / 9
+ if (cdr == 0 and self.shieldcooldown > 0x0.000f) cdr = 0x0.0001
+ if (pr == 0 and self.shieldpenalty > 0x0.003c) pr = 0x0.0001
+
+ local ret = {{
+  icon=1,
+  hdr="hull",
+  body=[[    armor
+
+    +2 hp]],
+  action=function()
+   self.maxhp += 2
+   self.hp += 2
+  end,
+ },{
+  icon=1,  -- todo: icon
+  hdr="shield",
+  body=[[  capacity
+
+    +1 hp]],
+  action=function()
+   self.maxshield += 1
+   self.shield += 1
+  end,
+ }}
+
+ if cdr > 0 then
+  add(ret, {
+   icon = 1, --todo: icon
+   hdr = "shield",
+   body=[[charge rate
+ 
+  ]] .. tostr(ceil(100 * cdr / self.shieldcooldown)) .. "% faster",
+   action = function()
+    self.shieldcooldown -= cdr
+   end
+  })
+ end
+
+ if pr > 0 then
+  add(ret, {
+   icon = 1, --todo: icon
+   hdr = "shield",
+   body=[[disruption
+ 
+  ]] .. tostr(ceil(100 * pr / self.shieldpenalty)) .. "% shorter",
+   action = function()
+    self.shieldpenalty -= pr
+   end
+  })
+ end
+
+ return ret
+end
+
 frownie = mknew(ship_m.new{
  --shape
  sprite = 3, --index of ship sprite
@@ -1705,18 +1761,8 @@ end
 
 -- ordinary upgrades
 function small_opts()
- return {{
-  icon=1,
-  hdr="placeholder",
-  body="placeholder",
-  action = function() end,
- },
- {
-  icon=1,
-  hdr="placeholder",
-  body="placeholder",
-  action = function() end,
- }}
+ -- todo: include gun opts
+ return pick(primary_ship:small_upgrade_opts(), 2)
 end
 
 -->8