fix boss

it works now except for a square being drawn in the shield. good enough

the_parser.p8

@@ -0,0 +1,61 @@
+pico-8 cartridge // http://www.pico-8.com
+version 41
+__lua__
+-- the parser
+
+parser = {}
+mknew(parser)
+
+-- calls parse_into with a nop
+-- emit function.
+function parser:parse(str)
+ self:parse_into(str, function() end)
+end
+
+-- read a file of commands and
+-- execute them, emitting the
+-- results from each call into
+-- `emit` as a table per row.
+--
+-- a "command" is a method on
+-- self. a row alternates
+-- commands with args. when
+-- calling a command, it also
+-- gets a table of previous
+-- results as the first arg.
+-- args are split on ','.
+function parser:parse_into(str, emit)
+ for row in all(split(str, "\n")) do
+  local prev = {}
+  local sectors = split(row, ":")
+  for i=1,#sectors,2 do
+   local x = self[sectors[i]](self, prev, usplit(sectors[i+1]))
+   if (x) add(prev, x)
+  end
+  emit(prev)
+ end
+end
+
+-- saves prev[sel] as self.name.
+-- if sel is unspecified, saves
+-- all of prev (as a table).
+function parser:saveas(prev, name, sel)
+ self[name] = sel and prev[sel] or prev
+end
+
+-- returns its args, ignoring
+-- prev. Used to stuff things
+-- into prev. args are packed
+-- if there's multiple.
+function parser:val(_, ...)
+ local ret := pack(...)
+ if (#ret == 1) return ret[1]
+ return ret
+end
+
+function parser:bind(_, fn, ...)
+ local f = self[fn]
+ return function()
+  f(...)
+ end
+end

todo.md

@@ -0,0 +1,45 @@
+## 1. refine existing engine (knowing what I know now)
+
+- [x] rewrite event queue as a linked list
+- [x] rewrite animator stacks as linked lists
+- [x] rewrite ship/bullet collections as linked lists
+- [ ] update/draw mode switching system (high-efficiency version)
+- [ ] render ship shields (even for large ships)
+- [ ] duplicate file -- about to split away from Tyrian features
+
+## 2. convert from Tyrian clone to MMBN clone
+
+- [ ] remove PWR meter, replace with weapon queue
+- [ ] remove power mechanics from _player_ ship (only!)
+- [ ] all player weapons are now ammo limited except pea shooter
+- [ ] remove weapon drops
+- [ ] implement fallback pea shooter
+- [ ] implement turn timer (screen-height bar)
+- [ ] replace per-frame CLR with rectfill (saves time)
+- [ ] implement extremely crude prototype for weapon select intermezzo
+- [ ] implement "deck"
+- [ ] implement basic weapon cards
+- [ ] implement starter deck
+- [ ] stabilize this with just starter deck and sample level
+
+## 3. add deckbuilder mechanics
+
+- [ ] implement post-encounter "get a card"
+- [ ] implement deck lister
+- [ ] implement more cards, mini-encounters for deck buildup
+- [ ] implement card levels?
+- [ ] implement card removal (shop?)
+
+## 4. make it a real game
+
+- [ ] actually design a branching encounter sequence
+- [ ] map
+- [ ] "minimap"/scanner on weapon picker
+- [ ] high score board (difficulty x time)
+- [ ] difficulty increase system
+- [ ] as much more crap as I can fit in under the token limit, which
+      is probably not much at this point
+
+## 5. this is just futile isn't it
+
+- [ ] give up and move to TIC-80 because the token limits