fix remaining vulcan-family bug

last_tyrianlike.p8

@@ -1,5 +1,5 @@
 pico-8 cartridge // http://www.pico-8.com
-version 42
+version 41
 __lua__
 -- vacuum gambit
 -- by kistaro windrider
@@ -18,17 +18,12 @@ function csv(s)
  end
  return ret
 end
-function const_fxn(x)
- return function()
-  return x
- end
-end
 
 -- generate standard "overlay"
 -- constructor for type tt.
--- if tt.init is defined, generated
+-- if more is defined, generated
--- new calls tt.init(ret) after
+-- new calls more(ret) after
--- ret is definitely not nil,
+-- ret is definitely not nil
 -- before calling setmetatable.
 -- use to initialize mutables.
 --
@@ -37,8 +32,8 @@ end
 -- object *after* more, because
 -- this works better with the
 -- `more` impls i use.
-function mknew(tt)
+function mknew(tt, more)
- local mt,oldnew,more = {__index=tt},tt.new,rawget(tt, "init")
+ local mt,oldnew = {__index=tt},tt.new
  tt.new=function(ret)
   if(not ret) ret = {}
   if(more) more(ret)
@@ -46,18 +41,15 @@ function mknew(tt)
   setmetatable(ret, mt)
   return ret
  end
- return tt
 end
 
 -- intrusive singly-linked list.
 -- cannot be nested!
-linked_list = mknew{
+linked_list = {is_linked_list=true}
- is_linked_list=true,
+mknew(linked_list, function(x)
- init = function(x)
   x.next=nil
   x.tail=x
- end,
+ end)
-}
 
 function linked_list:push_back(x)
  self.tail.next = x
@@ -126,7 +118,7 @@ end
 function _init()
  init_blip_pals()
 	wipe_level()
-	primary_ship.main_gun = zap_gun_p.new()  -- redundant?
+	primary_ship.main_gun = zap_gun.new()
 	load_level(example_level_csv)
 	state = game
 	pal(2,129)
@@ -420,7 +412,7 @@ end
 
 scrollrate = 0.25 --in px/frame
 
-ship_m = mknew{
+ship_m = {
 
  -- ships have no shield by default
  shield = 0,
@@ -445,6 +437,7 @@ ship_m = mknew{
  -- ymin, ymax default to nil
  --   pship needs more constraint 
 }
+mknew(ship_m)
 
 function ship_m:die()
  self.dead = true
@@ -587,20 +580,16 @@ end
 -->8
 -- bullet and gun behaviors
 
-function player_blt_cat()
+bullet_base = {
- return pbullets
+ enemyspd = 0.5
-end
+}
+mknew(bullet_base)
 
-function enemy_blt_cat()
+gun_base = { 
- return ebullets
-end
-
-bullet_base = mknew{ }
-
-gun_base = mknew{ 
  shoot_ready = -32768,
  icon = 20
 }
+mknew(gun_base)
 
 function bullet_base:hitship(_)
  self:die()
@@ -612,10 +601,18 @@ end
 
 function bullet_base:move()
  self.x += self.dx
- self.y += self.dy
+ if self.enemy then
- if (self.y > 128) or (self.y < -8 * self.height) then
+  self.y += self.dy
-  self:die()
+  if self.y > 128 then
-  return true
+   self:die()
+   return true
+  end
+ else
+  self.y -= self.dy
+  if self.y < -8*self.height then
+   self:die()
+   return true
+  end
  end
  return false
 end
@@ -624,18 +621,17 @@ function bullet_base:draw()
  spr(self.sprite, self.x, self.y, self.width, self.height)
 end
 
--- An `actually_shoot` factory
--- for trivial guns
-function spawn_one(t)
- return function(gun, x, y)
-  t.new{}:spawn_at(x, y)
- end
-end
-
 function bullet_base:spawn_at(x, y)
- self.x = x - self.x_off
+ self.x = x - self.center_x_off
- self.y = y - self.y_off
+ if self.enemy then
- self.category():push_back(self)
+  self.dx *= self.enemyspd
+  self.dy *= self.enemyspd
+  self.y = y + self.top_y_off
+  ebullets:push_back(self)
+ else
+  self.y = y - (8 * self.height) + self.bottom_y_off
+  pbullets:push_back(self)
+ end
 end
 
 function gun_base:shoot(x, y)
@@ -649,12 +645,23 @@ function gun_base:shoot(x, y)
  return true
 end
 
+function gun_base:actually_shoot(x, y)
+ local typ = self.t
+ local b = typ.new{
+  enemy = self.enemy,
+  sprite = self.enemy and typ.esprite or typ.psprite,
+ }
+ b:spawn_at(x, y)
+ return true
+end
+
 -->8
 -- bullets and guns
 
-zap_e = mknew(bullet_base.new{
+zap = bullet_base.new{
  --shape
- sprite = 9, --index of enemy ammo sprite
+ psprite = 8, --index of player ammo sprite
+ esprite = 9, -- index of enemy ammo sprite
  width = 1, --in 8x8 blocks
  height = 1,
  hurt = { -- hurtbox - where this ship can be hit
@@ -663,39 +670,33 @@ zap_e = mknew(bullet_base.new{
   width = 2,
   height = 8
  },
- x_off = 1, -- how to position by ship
+ center_x_off = 1, -- how to position by ship
- y_off = 8,
+ bottom_y_off = 0,
+ top_y_off = 0,
  
  damage = 1,
  dx = 0,  -- px/frame
- dy = 4,
+ dy = 8,
 
- hitship = const_fxn(true),
+ hitship = function(_, _)
+  return true
+ end
+}
+mknew(zap)
 
- category = enemy_blt_cat,
+zap_gun = gun_base.new{
-})
+ enemy = false,
-
-zap_p = mknew(zap_e.new{
- sprite = 8,
- dy = -8,
- y_off = 0,
- category = player_blt_cat,
-})
-
-zap_gun_e = mknew(gun_base.new{
  power = 20, -- power consumed per shot
  cooldown = 0x0.000a, -- frames between shots
  ammo = nil, -- unlimited ammo - main gun
- actually_shoot = spawn_one(zap_e),
+ t = zap -- metatable of bullet to fire
-})
+}
+mknew(zap_gun)
 
-zap_gun_p = mknew(zap_gun_e.new{
+blast = bullet_base.new{
- actually_shoot = spawn_one(zap_p),
-})
-
-blast = mknew(bullet_base.new{
  --shape
- sprite = 12, --index of player ammo sprite
+ psprite = 12, --index of player ammo sprite
+ esprite = 3, -- index of enemy ammo sprite
  width = 1, --in 8x8 blocks
  height = 1,
  hurt = { -- hurtbox - where this ship can be hit
@@ -704,12 +705,13 @@ blast = mknew(bullet_base.new{
   width = 6,
   height = 6
  },
- x_off = 4, -- how to position by ship
+ center_x_off = 4, -- how to position by ship
- y_off = 0,
+ bottom_y_off = 0,
+ top_y_off = 0,
  
  damage = 4,
  dx = 0,  -- px/frame
- dy = -2,
+ dy = 2,
  awaitcancel = false,
 
  -- disable damage for 2 frames
@@ -734,22 +736,25 @@ blast = mknew(bullet_base.new{
     self.awaitcancel = false
    end)
   end
- end,
+ end
- category=player_blt_cat
+}
-})
+mknew(blast)
 
-blast_gun = mknew(gun_base.new{
+blast_gun = gun_base.new{
  icon = 13,
- power = 0, -- only cost is ammo
+ enemy = false,
+ power = 0, -- ammo, not power
  cooldown = 0x0.0020, -- frames between shots
  ammo = 5,
  maxammo = 5,
- actually_shoot = spawn_one(blast),
+ t = blast -- type of bullet to fire
-})
+}
+mknew(blast_gun)
 
-protron_e = mknew(bullet_base.new{
+protron = bullet_base.new{
  --shape
- sprite = 24,
+ psprite = 23, --index of player ammo sprite
+ esprite = 24, -- index of enemy ammo sprite
  width = 1, --in 8x8 blocks
  height = 1,
  hurt = { -- hurtbox - where this ship can be hit
@@ -758,59 +763,56 @@ protron_e = mknew(bullet_base.new{
   width = 2,
   height = 2
  },
- x_off = 1, -- how to position by ship
+ center_x_off = 1, -- how to position by ship
- y_off = 4,
+ bottom_y_off = 4,
+ top_y_off = 0,
  
  damage = 1,
- dym = 0.5, -- gun sets dy;
+ dx = 0,  -- px/frame
-             -- this is mult
+ dy = 3,
- category = enemy_blt_cat,
+}
-})
+mknew(protron)
 
-protron_p = mknew(protron_e.new{
+protron_gun = gun_base.new{
- sprite=23,
- dym = -1,
- y_off = 0,
- category=player_blt_cat,
-})
-
-protron_gun_e = mknew(gun_base.new{
  icon = 25,
+ enemy = false,
  power = 60,
  cooldown = 0x0.000f, -- frames between shots
  ammo = nil,
  maxammo = nil,
- munition = protron_e
+ actually_shoot = function(self, x, y)
-})
+  local sprite = protron.psprite
-
+  if (self.enemy) sprite=protron.esprite
-function protron_gun_e:actually_shoot(x, y)
+  for i=1,3 do
- local m = self.munition.dym
+   local b = protron.new{
- for i=1,3 do
+    enemy=self.enemy,
-  local b = self.munition.new{
+    sprite=sprite,
-   dx = i*m,
+    dx = i,
-   dy = (4-i)*m,
+    dy = 4-i
+   }
+   b:spawn_at(x,y)
+   local b2 = protron.new{
+    enemy=self.enemy,
+    sprite=sprite,
+    dx = -i,
+    dy = 4-i
+   }
+   b2:spawn_at(x,y)
+  end
+  local bup = protron.new{
+   enemy=self.enemy,
+   sprite=sprite,
+   dy=4
   }
-  b:spawn_at(x,y)
+  bup:spawn_at(x,y)
-  local b2 = self.munition.new{
-   dx = -i*m,
-   dy = (4-i)*m,
-  }
-  b2:spawn_at(x,y)
  end
- local bup = self.munition.new{
+}
-  dx=0,
+mknew(protron_gun)
-  dy=4*m,
- }
- bup:spawn_at(x,y)
-end
 
-protron_gun_p = mknew(protron_gun_e.new{
+vulcan = bullet_base.new{
- munition = protron_p,
-})
-
-vulcan_e = mknew(bullet_base.new{
  --shape
- sprite = 21,
+ psprite = 22, --index of player ammo sprite
+ esprite = 21, -- index of enemy ammo sprite
  width = 1, --in 8x8 blocks
  height = 1,
  hurt = { -- hurtbox - where this ship can be hit
@@ -819,46 +821,39 @@ vulcan_e = mknew(bullet_base.new{
   width = 1,
   height = 4
  },
- x_off = 0.5, -- how to position by ship
+ center_x_off = 0.5, -- how to position by ship
- y_off = 0,
+ bottom_y_off = 4,
+ top_y_off = 0,
  
  damage = 0.5,
- -- dx from gun
+ dx = 0,  -- px/frame
- dy = 2,
+ dy = 4,
- category=enemy_blt_cat
+}
-})
+mknew(vulcan)
 
-vulcan_p = mknew(vulcan_e.new{
+vulcan_gun = gun_base.new{
- sprite=22,
- y_off = 4,
- dy = -4,
- category=player_blt_cat
-})
-
-vulcan_gun_e = mknew(gun_base.new{
  icon = 37,
  enemy = false,
  power = 8,
  cooldown = 0x0.0002, -- frames between shots
  ammo = nil,
  maxammo = nil,
- munition=vulcan_e,
  dxs = {0.35, -0.35, -0.7, 0.7, 0.35, -0.35},
  xoffs = {1, 0, -1, 1, 0, -1},
  dxidx = 1,
  actually_shoot = function(self, x, y)
-  local b = self.munition.new{
+  local sprite = self.enemy and vulcan.esprite or vulcan.psprite
+  local b = vulcan.new{
+   enemy=self.enemy,
+   sprite=sprite,
    dx = self.dxs[self.dxidx],
   }
   b:spawn_at(self.xoffs[self.dxidx]+x,y)
   self.dxidx += 1
   if (self.dxidx > #self.dxs) self.dxidx = 1
  end
-})
+}
-
+mknew(vulcan_gun)
-vulcan_gun_p = mknew(vulcan_gun_e.new{
- munition=vulcan_p,
-})
 
 -->8
 --ships, including player
@@ -866,7 +861,7 @@ vulcan_gun_p = mknew(vulcan_gun_e.new{
 firespark = split"9, 8, 2, 5, 1"
 smokespark = split"13, 13, 5, 5"
 
-player = mknew(ship_m.new{
+player = ship_m.new{
  --shape
  sprite = 1, --index of ship sprite
  size = 1, --all ships are square; how many 8x8 sprites?
@@ -916,20 +911,21 @@ player = mknew(ship_m.new{
   end
   --dx, dy, shoot_spec, shoot_main
   return (((b&0x2)>>1) - (b&0x1)) * th, (((b&0x8)>>3) - ((b&0x4)>>2)) * th, (b&0x10) > 0, (b&0x20) > 0
- end,
+ end
-
+}
- init = function(p)
+mknew(player,
-  p.main_gun = zap_gun_p.new()
+ function(p)
+  p.main_gun = zap_gun.new()
   -- ONE HIT MODE
   --
   -- p.hp = 0
   -- p.maxhp = 0
   -- p.shield = 0
   -- p.maxshield = 0
- end,
+ end
-})
+)
 
-frownie = mknew(ship_m.new{
+frownie = ship_m.new{
  --shape
  sprite = 3, --index of ship sprite
  size = 1, --all ships are square; how many 8x8 sprites?
@@ -960,9 +956,10 @@ frownie = mknew(ship_m.new{
   if (tstate>=4) dx=self.thrust
   return dx,0,false,false
  end,
-})
+}
+mknew(frownie)
 
-blocky = mknew(frownie.new{
+blocky = frownie.new{
  sprite = 10,
  hp = 1.5,
  hurt = {
@@ -980,9 +977,10 @@ blocky = mknew(frownie.new{
   end
   ship_m.ow(self)
  end
-})
+}
+mknew(blocky)
 
-spewy = mknew(frownie.new{
+spewy = frownie.new{
  sprite=26,
  power=-20,
  hurt = {
@@ -999,13 +997,13 @@ spewy = mknew(frownie.new{
  act=function(self)
   local dx,dy,shoot_spec=frownie.act(self)
   return dx, dy, shoot_spec, true
- end,
- init = function(ship)
-  ship.main_gun=ship.main_gun or protron_gun_e.new{}
  end
-})
+}
+mknew(spewy, function(ship)
+ ship.main_gun=ship.main_gun or protron_gun.new{enemy=true}
+end)
 
-chasey = mknew(ship_m.new{
+chasey = ship_m.new{
  sprite = 5,
  size = 1,
  hurt = {
@@ -1028,11 +1026,10 @@ chasey = mknew(ship_m.new{
  thrust = 0.2,
  drag = 0.075,
  slip = true,
-
+}
- init = function(ship)
+mknew(chasey, function(ship)
-  ship.main_gun=ship.main_gun or zap_gun_e.new{}
+ ship.main_gun=ship.main_gun or zap_gun.new{enemy=true}
- end
+end)
-})
 
 function chasey:act()
  self.xmin = max(primary_ship.x-8, 0)
@@ -1040,7 +1037,7 @@ function chasey:act()
  return 0, 0, false, self.x - 16 < primary_ship.x and self.x + 16 > primary_ship.x
 end
 
-xl_chasey=mknew(chasey.new{
+xl_chasey=chasey.new{
  size=2,
  maxspd=1.25,
  hurt = {
@@ -1049,8 +1046,6 @@ xl_chasey=mknew(chasey.new{
   width = 12,
   height = 10
  },
- fire_off_x = 8,
- fire_off_y = 15,
  hp = 19.5,
  shield = 5,
  boss = true,
@@ -1065,11 +1060,10 @@ xl_chasey=mknew(chasey.new{
   sspr(40, 0, 8, 8, self.x, self.y, 16, 16)
   pal()
  end,
- init = function(ship)
+}
-  ship.main_gun=ship.main_gun or zap_gun_e.new{}
+mknew(xl_chasey, function(ship)
- end,
+ ship.main_gun=ship.main_gun or zap_gun.new{enemy=true}
-})
+end)
-
 -->8
 -- collisions
 
@@ -1083,11 +1077,12 @@ function collides(box1, box2)
 	  or box1.y+box1.height<box2.y)
 end
 
-collider = mknew{
+collider = { }
- init = function(x)
+mknew(collider,
+ function(x)
   x.suppress = {}
- end,
+ end
-}
+)
 
 function collider_indexes(box)
  local ret = {}
@@ -1276,9 +1271,9 @@ end
 
 function spawn_bonus_vulcan_chasey()
  local c = spawn_chasey()
- c.main_gun=vulcan_gun_e.new{enemy=true}
+ c.main_gun=vulcan_gun.new{enemy=true}
  c.die = function(self)
-  spawn_main_gun_at(self.x-1, self.y-1, vulcan_gun_p)
+  spawn_main_gun_at(self.x-1, self.y-1, vulcan_gun)
   chasey.die(self)
  end
  c.sprite=4
@@ -1381,7 +1376,7 @@ example_level_csv=[[1,spawn_frownie
 310,spawn_blocking_blocky
 310,spawn_blocking_blocky
 311,spawn_frownie
-350,spawn_main_gun_at,70,-11,protron_gun_p
+350,spawn_main_gun_at,70,-11,protron_gun
 401,spawn_frownie
 420,spawn_blocking_frownie
 430,spawn_bonus_vulcan_chasey
@@ -1491,9 +1486,8 @@ bullets
   shots much easier to dodge
 * damage - damage per hit;
   used by ships
-* sprite - sprite index.
+* psprite, esprite - index of
-* x_off, y_off - renamed for
+  player or enemy sprite.
-  the next two vars. may revert
 * center_off_x - the horizontal
   centerpoint of the bullet,
   for positioning when firing.
@@ -1782,7 +1776,7 @@ true, they are dropped.
 -->8
 -- standard events
 
-blip_fx = mknew{
+blip_fx = {
  cancel=false
 }
 
@@ -1800,6 +1794,8 @@ function blip_fx:abort()
  self.cancel=true
 end
 
+mknew(blip_fx)
+
 blip_pals = {}
 function init_blip_pals()
  for i=0,15 do
@@ -1834,7 +1830,8 @@ function boom(x,y,boominess,is_boss)
  return
 end
 
-spark_particle=mknew{}
+spark_particle={}
+mknew(spark_particle)
 
 function spark_particle:move()
  if (rnd(4) < 1) self.sidx += 1
@@ -1863,7 +1860,7 @@ end
 -->8
 -- powerups
 
-powerup = mknew(bullet_base.new{
+powerup = bullet_base.new{
  -- animated sprite array: "sprites"
  -- to draw under or over anim,
  -- override draw, draw the
@@ -1879,12 +1876,13 @@ powerup = mknew(bullet_base.new{
  -- easy to pick up
  dx = 0,
  dy = 1.5, -- 0.75 after enemyspd
- category = enemy_blt_cat, -- collides with player ship
+ enemy = true, -- collides with player ship
  damage = 0,
  
  anim_speed = 2,
  loop_pause = 30 -- affected by animspeed
-})
+}
+mknew(powerup)
 
 -- sprite indexes for "sheen" animation
 sheen8x8 = split"2,54,55,56,57,58,59,60,61"
@@ -1904,15 +1902,16 @@ function powerup:draw()
      self.width, self.height) 
 end
 
-repair = mknew(powerup.new{
+repair = powerup.new{
  hurt = {
   x_off = -2,
   y_off = -2,
   width = 12,
   height = 12
  },
- x_off = 4,
+ center_x_off = 4,
- y_off = 0,
+ top_y_off = 0,
+ bottom_y_off = 0,
  sprites = sheen8x8,
  hitship = function(self, ship)
   if (ship ~= primary_ship) return false
@@ -1923,13 +1922,14 @@ repair = mknew(powerup.new{
   spr(53, self.x, self.y, self.width, self.height)
   powerup.draw(self)
  end  
-})
+}
+mknew(repair)
 
 function spawn_repair_at(x, y)
  repair.new():spawn_at(x, y)
 end
 
-gun_swap = mknew(powerup.new{
+gun_swap = powerup.new{
  hurt = {
   x_off = -2,
   y_off = -2,
@@ -1937,8 +1937,9 @@ gun_swap = mknew(powerup.new{
   height = 16
  },
  -- gun = gun_type.new{}
- x_off = 6,
+ center_x_off = 6,
- y_off = 0,
+ top_y_off = 0,
+ bottom_y_off = 4,
  width = 2,
  height = 2,
  sprites = {64, 66, 68, 70, 72, 74, 76, 78},
@@ -1951,7 +1952,8 @@ gun_swap = mknew(powerup.new{
   powerup.draw(self)
   spr(self.gun.icon, self.x+2, self.y+2, 1, 1)
  end
-})
+}
+mknew(gun_swap)
 
 function spawn_main_gun_at(x, y, gunt)
  if (type(gunt)=="string") gunt=_ENV[gunt]

vacuum_gambit.p8

@@ -26,9 +26,9 @@ end
 
 -- generate standard "overlay"
 -- constructor for type tt.
--- if tt.init is defined, generated
+-- if more is defined, generated
--- new calls tt.init(ret) after
+-- new calls more(ret) after
--- ret is definitely not nil,
+-- ret is definitely not nil
 -- before calling setmetatable.
 -- use to initialize mutables.
 --
@@ -37,8 +37,8 @@ end
 -- object *after* more, because
 -- this works better with the
 -- `more` impls i use.
-function mknew(tt)
+function mknew(tt, more)
- local mt,oldnew,more = {__index=tt},tt.new,rawget(tt, "init")
+ local mt,oldnew = {__index=tt},tt.new
  tt.new=function(ret)
   if(not ret) ret = {}
   if(more) more(ret)
@@ -46,18 +46,15 @@ function mknew(tt)
   setmetatable(ret, mt)
   return ret
  end
- return tt
 end
 
 -- intrusive singly-linked list.
 -- cannot be nested!
-linked_list = mknew{
+linked_list = {is_linked_list=true}
- is_linked_list=true,
+mknew(linked_list, function(x)
- init = function(x)
   x.next=nil
   x.tail=x
- end,
+ end)
-}
 
 function linked_list:push_back(x)
  self.tail.next = x
@@ -420,7 +417,7 @@ end
 
 scrollrate = 0.25 --in px/frame
 
-ship_m = mknew{
+ship_m = {
 
  -- ships have no shield by default
  shield = 0,
@@ -445,6 +442,7 @@ ship_m = mknew{
  -- ymin, ymax default to nil
  --   pship needs more constraint 
 }
+mknew(ship_m)
 
 function ship_m:die()
  self.dead = true
@@ -595,12 +593,14 @@ function enemy_blt_cat()
  return ebullets
 end
 
-bullet_base = mknew{ }
+bullet_base = { }
+mknew(bullet_base)
 
-gun_base = mknew{ 
+gun_base = { 
  shoot_ready = -32768,
  icon = 20
 }
+mknew(gun_base)
 
 function bullet_base:hitship(_)
  self:die()
@@ -652,7 +652,7 @@ end
 -->8
 -- bullets and guns
 
-zap_e = mknew(bullet_base.new{
+zap_e = bullet_base.new{
  --shape
  sprite = 9, --index of enemy ammo sprite
  width = 1, --in 8x8 blocks
@@ -673,27 +673,31 @@ zap_e = mknew(bullet_base.new{
  hitship = const_fxn(true),
 
  category = enemy_blt_cat,
-})
+}
+mknew(zap_e)
 
-zap_p = mknew(zap_e.new{
+zap_p = zap_e.new{
  sprite = 8,
  dy = -8,
  y_off = 0,
  category = player_blt_cat,
-})
+}
+mknew(zap_p)
 
-zap_gun_e = mknew(gun_base.new{
+zap_gun_e = gun_base.new{
  power = 20, -- power consumed per shot
  cooldown = 0x0.000a, -- frames between shots
  ammo = nil, -- unlimited ammo - main gun
  actually_shoot = spawn_one(zap_e),
-})
+}
+mknew(zap_gun_e)
 
-zap_gun_p = mknew(zap_gun_e.new{
+zap_gun_p = zap_gun_e.new{
  actually_shoot = spawn_one(zap_p),
-})
+}
+mknew(zap_gun_p)
 
-blast = mknew(bullet_base.new{
+blast = bullet_base.new{
  --shape
  sprite = 12, --index of player ammo sprite
  width = 1, --in 8x8 blocks
@@ -736,18 +740,20 @@ blast = mknew(bullet_base.new{
   end
  end,
  category=player_blt_cat
-})
+}
+mknew(blast)
 
-blast_gun = mknew(gun_base.new{
+blast_gun = gun_base.new{
  icon = 13,
  power = 0, -- only cost is ammo
  cooldown = 0x0.0020, -- frames between shots
  ammo = 5,
  maxammo = 5,
  actually_shoot = spawn_one(blast),
-})
+}
+mknew(blast_gun)
 
-protron_e = mknew(bullet_base.new{
+protron_e = bullet_base.new{
  --shape
  sprite = 24,
  width = 1, --in 8x8 blocks
@@ -765,23 +771,26 @@ protron_e = mknew(bullet_base.new{
  dym = 0.5, -- gun sets dy;
              -- this is mult
  category = enemy_blt_cat,
-})
+}
+mknew(protron_e)
 
-protron_p = mknew(protron_e.new{
+protron_p = protron_e.new{
  sprite=23,
  dym = -1,
  y_off = 0,
  category=player_blt_cat,
-})
+}
+mknew(protron_p)
 
-protron_gun_e = mknew(gun_base.new{
+protron_gun_e = gun_base.new{
  icon = 25,
  power = 60,
  cooldown = 0x0.000f, -- frames between shots
  ammo = nil,
  maxammo = nil,
  munition = protron_e
-})
+}
+mknew(protron_gun_e)
 
 function protron_gun_e:actually_shoot(x, y)
  local m = self.munition.dym
@@ -804,11 +813,12 @@ function protron_gun_e:actually_shoot(x, y)
  bup:spawn_at(x,y)
 end
 
-protron_gun_p = mknew(protron_gun_e.new{
+protron_gun_p = protron_gun_e.new{
  munition = protron_p,
-})
+}
+mknew(protron_gun_p)
 
-vulcan_e = mknew(bullet_base.new{
+vulcan_e = bullet_base.new{
  --shape
  sprite = 21,
  width = 1, --in 8x8 blocks
@@ -826,16 +836,18 @@ vulcan_e = mknew(bullet_base.new{
  -- dx from gun
  dy = 2,
  category=enemy_blt_cat
-})
+}
+mknew(vulcan_e)
 
-vulcan_p = mknew(vulcan_e.new{
+vulcan_p = vulcan_e.new{
  sprite=22,
  y_off = 4,
  dy = -4,
  category=player_blt_cat
-})
+}
+mknew(vulcan_p)
 
-vulcan_gun_e = mknew(gun_base.new{
+vulcan_gun_e = gun_base.new{
  icon = 37,
  enemy = false,
  power = 8,
@@ -854,11 +866,13 @@ vulcan_gun_e = mknew(gun_base.new{
   self.dxidx += 1
   if (self.dxidx > #self.dxs) self.dxidx = 1
  end
-})
+}
+mknew(vulcan_gun_e)
 
-vulcan_gun_p = mknew(vulcan_gun_e.new{
+vulcan_gun_p = vulcan_gun_e.new{
  munition=vulcan_p,
-})
+}
+mknew(vulcan_gun_p)
 
 -->8
 --ships, including player
@@ -866,7 +880,7 @@ vulcan_gun_p = mknew(vulcan_gun_e.new{
 firespark = split"9, 8, 2, 5, 1"
 smokespark = split"13, 13, 5, 5"
 
-player = mknew(ship_m.new{
+player = ship_m.new{
  --shape
  sprite = 1, --index of ship sprite
  size = 1, --all ships are square; how many 8x8 sprites?
@@ -916,9 +930,10 @@ player = mknew(ship_m.new{
   end
   --dx, dy, shoot_spec, shoot_main
   return (((b&0x2)>>1) - (b&0x1)) * th, (((b&0x8)>>3) - ((b&0x4)>>2)) * th, (b&0x10) > 0, (b&0x20) > 0
- end,
+ end
-
+}
- init = function(p)
+mknew(player,
+ function(p)
   p.main_gun = zap_gun_p.new()
   -- ONE HIT MODE
   --
@@ -926,10 +941,10 @@ player = mknew(ship_m.new{
   -- p.maxhp = 0
   -- p.shield = 0
   -- p.maxshield = 0
- end,
+ end
-})
+)
 
-frownie = mknew(ship_m.new{
+frownie = ship_m.new{
  --shape
  sprite = 3, --index of ship sprite
  size = 1, --all ships are square; how many 8x8 sprites?
@@ -960,9 +975,10 @@ frownie = mknew(ship_m.new{
   if (tstate>=4) dx=self.thrust
   return dx,0,false,false
  end,
-})
+}
+mknew(frownie)
 
-blocky = mknew(frownie.new{
+blocky = frownie.new{
  sprite = 10,
  hp = 1.5,
  hurt = {
@@ -980,9 +996,10 @@ blocky = mknew(frownie.new{
   end
   ship_m.ow(self)
  end
-})
+}
+mknew(blocky)
 
-spewy = mknew(frownie.new{
+spewy = frownie.new{
  sprite=26,
  power=-20,
  hurt = {
@@ -999,13 +1016,13 @@ spewy = mknew(frownie.new{
  act=function(self)
   local dx,dy,shoot_spec=frownie.act(self)
   return dx, dy, shoot_spec, true
- end,
- init = function(ship)
-  ship.main_gun=ship.main_gun or protron_gun_e.new{}
  end
-})
+}
+mknew(spewy, function(ship)
+ ship.main_gun=ship.main_gun or protron_gun_e.new{enemy=true}
+end)
 
-chasey = mknew(ship_m.new{
+chasey = ship_m.new{
  sprite = 5,
  size = 1,
  hurt = {
@@ -1028,11 +1045,10 @@ chasey = mknew(ship_m.new{
  thrust = 0.2,
  drag = 0.075,
  slip = true,
-
+}
- init = function(ship)
+mknew(chasey, function(ship)
-  ship.main_gun=ship.main_gun or zap_gun_e.new{}
+ ship.main_gun=ship.main_gun or zap_gun_e.new{}
- end
+end)
-})
 
 function chasey:act()
  self.xmin = max(primary_ship.x-8, 0)
@@ -1040,7 +1056,7 @@ function chasey:act()
  return 0, 0, false, self.x - 16 < primary_ship.x and self.x + 16 > primary_ship.x
 end
 
-xl_chasey=mknew(chasey.new{
+xl_chasey=chasey.new{
  size=2,
  maxspd=1.25,
  hurt = {
@@ -1065,11 +1081,10 @@ xl_chasey=mknew(chasey.new{
   sspr(40, 0, 8, 8, self.x, self.y, 16, 16)
   pal()
  end,
- init = function(ship)
+}
-  ship.main_gun=ship.main_gun or zap_gun_e.new{}
+mknew(xl_chasey, function(ship)
- end,
+ ship.main_gun=ship.main_gun or zap_gun_e.new{}
-})
+end)
-
 -->8
 -- collisions
 
@@ -1083,11 +1098,12 @@ function collides(box1, box2)
 	  or box1.y+box1.height<box2.y)
 end
 
-collider = mknew{
+collider = { }
- init = function(x)
+mknew(collider,
+ function(x)
   x.suppress = {}
- end,
+ end
-}
+)
 
 function collider_indexes(box)
  local ret = {}
@@ -1283,17 +1299,7 @@ function spawn_bonus_vulcan_chasey()
  end
  c.sprite=4
  return c
-end
+end 
-
-function spawn_bonus_shield_chasey()
- local c = spawn_chasey()
- c.die = function(self)
-  spawn_shield_upgrade_at(self.x-1, self.y-1)
-  chasey.die(self)
- end
- c.sprite=4
- return c
-end
 
 helpers = {
  spawn_frownie,
@@ -1384,7 +1390,7 @@ example_level_csv=[[1,spawn_frownie
 115,spawn_spewy
 130,spawn_bonus_frownie
 145,spawn_spewy
-200,spawn_bonus_shield_chasey
+200,spawn_chasey
 250,spawn_blocking_blocky
 285,spawn_spec_gun_at,35,-11,blast_gun
 310,spawn_blocking_blocky
@@ -1401,9 +1407,8 @@ example_level_csv=[[1,spawn_frownie
 500,multi,20,12,spawn_blocking_blocky
 501,spawn_bonus_frownie
 620,spawn_blocking_blocky
-630,spawn_bonus_shield_chasey
+700,spawn_blocking_boss_chasey
-720,spawn_blocking_boss_chasey
+701,eol]]
-721,eol]]
 
 -->8
 -- readme.md
@@ -1793,7 +1798,7 @@ true, they are dropped.
 -->8
 -- standard events
 
-blip_fx = mknew{
+blip_fx = {
  cancel=false
 }
 
@@ -1811,6 +1816,8 @@ function blip_fx:abort()
  self.cancel=true
 end
 
+mknew(blip_fx)
+
 blip_pals = {}
 function init_blip_pals()
  for i=0,15 do
@@ -1845,7 +1852,8 @@ function boom(x,y,boominess,is_boss)
  return
 end
 
-spark_particle=mknew{}
+spark_particle={}
+mknew(spark_particle)
 
 function spark_particle:move()
  if (rnd(4) < 1) self.sidx += 1
@@ -1874,7 +1882,7 @@ end
 -->8
 -- powerups
 
-powerup = mknew(bullet_base.new{
+powerup = bullet_base.new{
  -- animated sprite array: "sprites"
  -- to draw under or over anim,
  -- override draw, draw the
@@ -1895,7 +1903,8 @@ powerup = mknew(bullet_base.new{
  
  anim_speed = 2,
  loop_pause = 30 -- affected by animspeed
-})
+}
+mknew(powerup)
 
 -- sprite indexes for "sheen" animation
 sheen8x8 = split"2,54,55,56,57,58,59,60,61"
@@ -1915,7 +1924,7 @@ function powerup:draw()
      self.width, self.height) 
 end
 
-repair = mknew(powerup.new{
+repair = powerup.new{
  hurt = {
   x_off = -2,
   y_off = -2,
@@ -1925,37 +1934,23 @@ repair = mknew(powerup.new{
  x_off = 4,
  y_off = 0,
  sprites = sheen8x8,
- icon = 53,
  hitship = function(self, ship)
   if (ship ~= primary_ship) return false
   primary_ship.hp = min(primary_ship.maxhp, primary_ship.hp + 1)
   return true
  end,
  draw = function(self)
-  spr(self.icon, self.x, self.y, self.width, self.height)
+  spr(53, self.x, self.y, self.width, self.height)
   powerup.draw(self)
  end  
-})
+}
+mknew(repair)
 
 function spawn_repair_at(x, y)
  repair.new():spawn_at(x, y)
 end
 
-shield_upgrade = mknew(repair.new{
+gun_swap = powerup.new{
- icon=52
-})
-
-function shield_upgrade:hitship(ship)
- if (ship ~= primary_ship) return false
- primary_ship.maxshield += 1
- return true
-end
-
-function spawn_shield_upgrade_at(x, y)
- shield_upgrade.new():spawn_at(x,y)
-end
-
-gun_swap = mknew(powerup.new{
  hurt = {
   x_off = -2,
   y_off = -2,
@@ -1977,7 +1972,8 @@ gun_swap = mknew(powerup.new{
   powerup.draw(self)
   spr(self.gun.icon, self.x+2, self.y+2, 1, 1)
  end
-})
+}
+mknew(gun_swap)
 
 function spawn_main_gun_at(x, y, gunt)
  if (type(gunt)=="string") gunt=_ENV[gunt]
@@ -2036,14 +2032,14 @@ __gfx__
 00000000000000000000000000000000000000000009080000000000000000000000000000000000000000000000000000000000000000000000000000000000
 00000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000000000000000000000000
 00000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000000000000000000000000
-00000000000000000000000000000000cccccccccccccccc77000000007700000000770000000077000000000000000000000000000000000000000000000000
+0000000000000000000000000000000000000000cccccccc77000000007700000000770000000077000000000000000000000000000000000000000000000000
-00000000000000000000000000000000c116611dc11ee11d70000000077000000007700000000770000000070000000000000000000000000000000000000000
+0000000000000000000000000000000000000000c11ee11d70000000077000000007700000000770000000070000000000000000000000000000000000000000
-00000000000000000000000000000000c1611c1dc11ee11d00000000770000000077000000007700000000770000000700000000000000000000000000000000
+0000000000000000000000000000000000000000c11ee11d00000000770000000077000000007700000000770000000700000000000000000000000000000000
-00000000000000000000000000000000c61111cdceeeeeed00000000700000000770000000077000000007700000007700000000000000000000000000000000
+0000000000000000000000000000000000000000ceeeeeed00000000700000000770000000077000000007700000007700000000000000000000000000000000
-00000000000000000000000000000000c6111bcdceeeeeed00000000000000007700000000770000000077000000077000000007000000000000000000000000
+0000000000000000000000000000000000000000ceeeeeed00000000000000007700000000770000000077000000077000000007000000000000000000000000
-00000000000000000000000000000000c161bbbdc11ee11d00000000000000007000000007700000000770000000770000000077000000000000000000000000
+0000000000000000000000000000000000000000c11ee11d00000000000000007000000007700000000770000000770000000077000000000000000000000000
-00000000000000000000000000000000c11ccb1dc11ee11d00000000000000000000000077000000007700000007700000000770000000070000000000000000
+0000000000000000000000000000000000000000c11ee11d00000000000000000000000077000000007700000007700000000770000000070000000000000000
-00000000000000000000000000000000cdddddddcddddddd00000000000000000000000070000000077000000077000000007700000000770000000000000000
+0000000000000000000000000000000000000000cddddddd00000000000000000000000070000000077000000077000000007700000000770000000000000000
 cccccccccccc0000cccccccccccc0000cccccccccccc0000cccccccccccc0000cccccccccccc0000cccccccccccc0000cccccccccccc0000cccccccccccc0000
 c1111111111d0000c1111111111d0000c1111111111d0000c1111111111d0000c1111111111d0000c111eeee111d0000ceee2222eeed0000c2221111222d0000
 c1111111111d0000c1111111111d0000c1111111111d0000c1111111111d0000c111eeee111d0000c1ee2222ee1d0000ce22111122ed0000c2111111112d0000