fix obvious bugs

not working: ship bounds, "blast" weapon

updatedshmup.p8

@@ -142,23 +142,17 @@ function init_hpcols()
  hpcols = hpcols_lut[min(primary_ship.maxhp,6)]
 end
 
-function new_linked()
- local ret = {}
- ret.tail = ret
- return ret
-end
-
 function wipe_level()
  primary_ship = new_p1()
  init_hpcols()
- pships = linked_list:new()
+ pships = linked_list.new()
  pships:push_back(primary_ship)
- eships = linked_list:new()
- pbullets = linked_list:new()
- ebullets = linked_list:new()
- intangibles_fg = linked_list:new()
- intangibles_bg = linked_list:new()
- events = linked_list:new()
+ eships = linked_list.new()
+ pbullets = linked_list.new()
+ ebullets = linked_list.new()
+ intangibles_fg = linked_list.new()
+ intangibles_bg = linked_list.new()
+ events = linked_list.new()
 end
 
 function _update60()
@@ -175,7 +169,7 @@ end
 
 function updategame()
  leveldone = level_frame()
-	new_events = new_linked()
+	new_events = linked_list.new()
  events:strip(call_move)
  events:vore(new_events)
  for _, lst in ipairs{intangibles_bg, pships, eships, pbullets, ebullets} do
@@ -1826,7 +1820,9 @@ weird coding conventions
 -->8
 -- standard events
 
-blip_fx = {}
+blip_fx = {
+ cancel=false
+}
 
 function blip_fx:move()
  if (self.cancel) return true
@@ -1849,7 +1845,7 @@ function blip(obj, col, frames)
  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})
+ events:push_back(blip_fx.new{frames=frames, obj=obj})
 end
 
 bossspark = split"7,7,10,10,9,9,9,8,8,8,2,2,5,5"