updatedshmup.p8

@@ -118,7 +118,6 @@ function linked_list:pop_front()
 end
 
 function _init()
- init_blip_pals()
 	wipe_level()
 	primary_ship.main_gun = zap_gun.new()
 	load_level(example_level)
@@ -427,13 +426,15 @@ ship_m = {
  shield = 0,
  maxshield = 0,
  shieldcost = 32767.9,
- shieldcooldown =  0x0.00a0,
+ shieldcooldown =  180,
  
  -- default generator behavior:
  -- 10 seconds for a full charge
  max_power = 600,
  power = 600,
  generator = 1, -- power gen per frame
+
+ invincible_until = -32768,
  
  slip = true,  -- most enemies slide
  
@@ -516,6 +517,7 @@ end
 
 function ship_m:hitsomething(dmg)
  if (dmg <= 0) return false
+ if (lframe < self.invincible_until) return false
  self.shield_refresh_ready = lframe + self.shieldcooldown
  if self.shield >= dmg then
   self.shield -= dmg
@@ -862,7 +864,7 @@ end
 -- effective frame
 distance = 0
 -- actual frame count since
--- start of level times 0x0.0001
+-- start of level
 lframe = 0
 
 -- do not advance distance when
@@ -886,7 +888,7 @@ function load_level(lvltbl)
 end
 
 function level_frame()
- lframe += 0x0.0001
+ lframe += 1
  if (current_level == nil) return true
  if freeze == 0 then 
   distance += 1
@@ -1006,11 +1008,11 @@ function spawn_blocking_boss_chasey()
   chasey.die(self)
  end
 
- local nextspawn = lframe + 0x0.0080
+ local nextspawn = lframe + 120
  events:push_back{move=function()
   if lframe >= nextspawn then
    helpers[flr(rnd(#helpers))+1]()
-   nextspawn += 0x0.0040
+   nextspawn += 60
   end
   return c.dead
  end}
@@ -1053,7 +1055,7 @@ example_level = {
   events:push_back{move=function()
    if (lframe < tnext) return false
    spawn_blocking_blocky()
-   tnext = lframe + 0x0.000c
+   tnext = lframe + 12
    remain -= 1
    return (remain <= 0) 
   end}
@@ -1174,7 +1176,7 @@ mknew(zap)
 zap_gun = gun_base.new{
  enemy = false,
  power = 20, -- power consumed per shot
- cooldown = 0x0.000a, -- frames between shots
+ cooldown = 10, -- frames between shots
  ammo = nil, -- unlimited ammo - main gun
  t = zap -- metatable of bullet to fire
 }
@@ -1231,7 +1233,7 @@ blast_gun = gun_base.new{
  icon = 13,
  enemy = false,
  power = 0, -- ammo, not power
- cooldown = 0x0.0020, -- frames between shots
+ cooldown = 30, -- frames between shots
  ammo = 5,
  maxammo = 5,
  t = blast -- type of bullet to fire
@@ -1264,7 +1266,7 @@ protron_gun = gun_base.new{
  icon = 25,
  enemy = false,
  power = 35,
- cooldown = 0x0.000f, -- frames between shots
+ cooldown = 15, -- frames between shots
  ammo = nil,
  maxammo = nil,
  actually_shoot = function(self, x, y)
@@ -1322,7 +1324,7 @@ vulcan_gun = gun_base.new{
  icon = 37,
  enemy = false,
  power = 8,
- cooldown = 0x0.0002, -- frames between shots
+ cooldown = 2, -- frames between shots
  ammo = nil,
  maxammo = nil,
  dxs = {0.35, -0.35, -0.7, 0.7, 0.35, -0.35},
@@ -1571,22 +1573,21 @@ it sets lframe ("level frame")
 and distance to 0.
 
 every frame, level_frame
-increments lframe by 0x0.0001.
+increments lframe. then if the
-then if the level is not frozen,
+level is not frozen (more on
-it increments distance by 1.0
+that later), it increments
-and runs the function in the
+distance and runs the function
-level table for exactly that
+in the level table for exactly
-frame number (if any). distance
+that frame number (if any).
-is therefore "nonfrozen frames",
+distance is therefore "nonfrozen
-and is used to trigger level
+frames", and is used to trigger
-progress. lframe always
+level progress. lframe always
 increments. ships are encouraged
 to use lframe to control
 animation and movement, and may
 use distance to react to level
 progress separately from overall
-time. remember to multiply
+time.
-lframe-related stuff by 0x0001.
 
 a special sentinel value, eol,
 marks the end of the level.
@@ -1753,19 +1754,10 @@ end
 
 mknew(blip_fx)
 
-blip_pals = {}
-function init_blip_pals()
- for i=0,15 do
-  local pp = {[0]=0}
-  for j=1,15 do
-   pp[j] = i
-  end
-  blip_pals[i]=pp
- end
-end
-
 function blip(obj, col, frames)
- obj.fx_pal = blip_pals[col]
+ local p = {[0]=0}
+ obj.fx_pal = p
+ for i=1,15 do p[i]=col end
  if (obj.___fx_pal_event) obj.___fx_pal_event:abort() 
  events:push_back(blip_fx.new{frames=frames, obj=obj})
 end
@@ -1850,7 +1842,7 @@ sheen8x8 = split"2,54,55,56,57,58,59,60,61"
 
 function powerup:draw()
  spr(self.sprites[max(1,
-       ((lframe<<16)\self.anim_speed)
+       (lframe\self.anim_speed)
        %(#self.sprites+self.loop_pause)
        -self.loop_pause
        +1)],