look at me. *look at me.* I'm the gun_base now

now there are no more base guns

vacuum_gambit.p8

@@ -730,6 +730,27 @@ gun_base = mknew{
  -- cooldown reduction from
  -- upgrades, not yet applied
  cd_remainder = 0,
+
+ veloc = 1,
+ aim = 0.75, -- down; 0.25, or -0.75, is up
+ shot_idx = 0,
+ -- shots: list<list<[3]num>>
+ --  describing a cycling
+ --  firing pattern. shot_idx
+ --  tracks offset into pattern.
+ -- each nested list: a burst
+ --  of shots to fire; takes
+ --  1 ammo; sequential
+ -- each shot: angle (turns,
+ --  relative to `aim`),
+ --  firing x-offset, velocity;
+ --   if x-offset is nil, use 0;
+ --   if velocity is nil, use
+ --    self.veloc instead
+
+ init = function(self)
+  if (not self.shots) self.shots = {{{0}}}
+ end
 }
 
 -- gun_base subtypes are
@@ -754,12 +775,6 @@ function gun_base:peel()
  self.munition = mknew(self.munition.new())
 end
 
--- default firing behavior:
--- single shot
-function gun_base:actually_shoot(x, y)
- self.munition.new{}:spawn_at(x, y)
-end
-
 -- upgrade 
 function gun_base:small_upgrade_opts()
  local ret = {
@@ -874,36 +889,17 @@ function gun_base:shoot(x, y)
  return true
 end
 
-trig_gun = mknew(gun_base.new{
- veloc = 1,
- aim = 0.75, -- down; 0.25 is up
- shot_idx = 0,
- -- shots: list<list<[3]num>>
- --  describing a cycling
- --  firing pattern. shot_idx
- --  tracks offset into pattern.
- -- each nested list: a burst
- --  of shots to fire; takes
- --  1 ammo; sequential
- -- each shot: angle (turns,
- --  relative to `aim`),
- --  velocity, firing x-offset;
- --  if velocity is nil, use
- --  self.veloc instead;
- --  if x-offset is nil, use 0
- init = function(self)
-  if (not self.shots) self.shots = {{{0}}}
- end
-})
-
-function trig_gun:actually_shoot(x, y)
+function gun_base:actually_shoot(x, y)
  local shots,veloc,aim,munition = self.shots,self.veloc,self.aim,self.munition
  local idx = self.shot_idx % #shots + 1
  self.shot_idx = idx
  shots = shots[idx]
  for s in all(shots) do
-  local a,v,xo = unpack(s)
+  local a,xo,v = unpack(s)
   v = v or veloc
+  xo = xo or 0
+  -- reverse x-offset for negative base angle
+  if (aim < 0) xo = -xo
   a += aim
   -- todo: switch munition
   --  depending on angle
@@ -952,7 +948,7 @@ zap_p = mknew(zap_e.new{
  category = player_blt_cat,
 })
 
-zap_gun_e = mknew(trig_gun.new{
+zap_gun_e = mknew(gun_base.new{
  cooldown = 0x0.0020, -- frames between shots
  veloc = 4,
  munition = zap_e,
@@ -1019,6 +1015,7 @@ blast = mknew(bullet_base.new{
 blast_gun = mknew(gun_base.new{
  icon = 13,
  cooldown = 0x0.0078, -- 120 frames between shots
+ aim = -0.75,
  ammo = 5,
  maxammo = 5,
  munition = blast,
@@ -1051,8 +1048,6 @@ protron_e = mknew(bullet_base.new{
  y_off = 4,
  
  damage = 1,
- dym = 0.5, -- gun sets dy;
-             -- this is mult
  category = enemy_blt_cat,
 })
 
@@ -1068,34 +1063,17 @@ protron_gun_e = mknew(gun_base.new{
  cooldown = 0x0.0040, -- frames between shots
  ammo = nil,
  maxammo = nil,
- munition = protron_e
+ munition = protron_e,
+ veloc = 2,
+ shots = {{{-0.25}, {-0.165}, {-0.0825}, {0}, {0.0825}, {0.165}, {0.25}}}
 })
 
-function protron_gun_e:actually_shoot(x, y)
- local m = self.munition.dym
- for i=1,3 do
-  local b = self.munition.new{
-   dx = i*m,
-   dy = (4-i)*m,
-  }
-  b: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,
-  dy=4*m,
- }
- bup:spawn_at(x,y)
-end
-
 protron_gun_p = mknew(protron_gun_e.new{
  munition = protron_p,
  maxammo = 20,
  cooldown = 0x0.0018,
+ veloc = 4,
+ aim = -0.75,
  hdr = "pROTRON",
  body = [[---------GUN
 
@@ -1124,15 +1102,12 @@ vulcan_e = mknew(bullet_base.new{
  y_off = 0,
  
  damage = 0.5,
- -- dx from gun
- dy = 2,
  category=enemy_blt_cat
 })
 
 vulcan_p = mknew(vulcan_e.new{
  sprite=22,
  y_off = 4,
- dy = -4,
  category=player_blt_cat
 })
 
@@ -1142,30 +1117,22 @@ vulcan_gun_e = mknew(gun_base.new{
  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{
-   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
+ veloc = 2,
+ shots = {{{0.02, 2}}, {{-0.02,0}}, {{-0.03, -2}}, {{0.03, 2}}, {{0.02, 0}}, {{-0.02, -2}}}
 })
 
 machine_gun_e = mknew(vulcan_gun_e.new{
  icon = 38,
  clip_size = 12,
  clip_interval = 0x0.005a,
- dxs = {0, 0},
- xoffs = {1, -1},
+ shots = {{{0, 2}}, {{0, -2}}}
 })
 
 vulcan_gun_p = mknew(vulcan_gun_e.new{
  munition=vulcan_p,
  maxammo = 100,
+ aim=-0.75,
+ veloc=4,
  hdr = "vULCAN",
  body = [[---------GUN
 
@@ -1880,6 +1847,7 @@ end
 
 -- add a new gun
 function spec_gun_opts()
+ -- todo: avoid duplicates
  return pick(spec_gunt, 2)
 end
 
@@ -1901,7 +1869,6 @@ end
 
 -- ordinary upgrades
 function small_opts()
- -- todo: include gun opts
  if(not primary_ship.special_guns) return pick(primary_ship:small_upgrade_opts(), 2)
  local opts = {rnd(primary_ship:small_upgrade_opts())}
  for g in all(primary_ship.special_guns) do
@@ -1982,7 +1949,10 @@ function rearm_mode:shuffle()
  -- until the upgrade deck
  -- is a thing that exists
  local lev = primary_ship.level + 1
- if lev == 4 or lev == 12 then
+
+ -- for testing: more guns really early
+ -- if lev == 4 or lev == 12 then
+ if lev == 2 or lev == 3 then
   self.options = spec_gun_opts()
  elseif lev % 4 == 0 then
   self.options = big_opts()