Fix spurious pit.

chameleonic.p8

@@ -319,6 +319,7 @@ function level:advance()
 end
 
 normpal = {[1]=0,[8]=0,[14]=0}
+pitpal = {[8]=0,[13]=3,[4]=3,[7]=3}
 function level:draw()
  cls(5)
  fillp()
@@ -331,11 +332,15 @@ function level:draw()
 
  for _,pit in pairs(self._pits) do
   local px,py=pit.px,pit.py
-  local pr=self._pits[_mix{px+1,py}]
+  local pr=self._pits[_mix(px+1,py)]
 
   spr(pit.s,px,py)
   if pit.full then
-   spr(15,pit.px,pit.py)
+   pal(pitpal)
+   palt(0,false)
+   spr(79,pit.px,pit.py)
+   pal()
+   pal(normpal)
   end
   palt(8,true)
   spr(pit.s,px,py)
@@ -362,7 +367,7 @@ function level:update()
   _apply(crate, crate.todo)
 
   if #crate.todo==0 then 
-   local pit=self._pits[_mix{crate.mx,crate.my}]
+   local pit=self._pits[_mix(crate.mx,crate.my)]
    if pit and not pit.full then
     add(remove,cix)
     crate.dead=true
@@ -388,7 +393,7 @@ function level:load_dynobjs()
  local crate_id=1
  for mx=0,15,1 do
   for my=0,15,1 do
-   local mxy=_mix{mx,my}
+   local mxy=_mix(mx,my)
    local px,py=mx*8,my*8
    local s=self:_mget(mx,my)
    local def=self:_get_cratedef(s)
@@ -413,7 +418,7 @@ function level:recollide_reanchor()
  self._coll={}
  for mx=0,15 do
   for my=0,15 do
-   local mxy=_mix{mx,my}
+   local mxy=_mix(mx,my)
    self._coll[mxy]=
     fget(self:_mget(mx,my),7) or
     self._crates[mxy]
@@ -434,7 +439,7 @@ function level:recollide_reanchor()
      not self:mcoll(mx1,my0) and
      not self:mcoll(mx1,my1)
     ) then
-     local key=_mix{"GEOM",mx0,my0,dx,dy}
+     local key="GEOM"..mx0..","..my0..","..dx..","..dy
      anch_new[key]= {
       max(mx0,mx1),max(my0,my1),adx=-dx,ady=-dy
      }
@@ -443,7 +448,7 @@ function level:recollide_reanchor()
   end
 
   for _,cr in pairs(self._crates) do
-   local key=_mix{"CRATE",cr.id,dx,dy}
+   local key="CRATE"..cr.id..","..dx..","..dy
    local mx0,my0=cr.mx,cr.my
    local mx1,my1=mx0+dx,my0+dy
    anch_new[key]={
@@ -462,13 +467,11 @@ function level:recollide_reanchor()
  end
  self._anch=anch_new
  self._anch_keys={}
- self._anch_by={}
+ self._anch_by_position={}
  for k,v in pairs(self._anch) do
-  local ax,ay=_anch_unpack(v)
   add(self._anch_keys,{key=k})
-  local pkey=_mix{ax,ay}
-  self._anch_by[pkey]=self._anch_by[pkey] or v
-  self._anch_by[_mix{ax,ay,v.adx,v.ady}]=v
+  local pkey=_mix(_anch_unpack(v))
+  self._anch_by_position[pkey]=self._anch_by_position[pkey] or v
  end
  shellsort(self._anch_keys)
  shellsort(moves)
@@ -483,7 +486,7 @@ function level:recollide_reanchor()
 end
 
 function level:win_at(mx,my)
- return self._wins[_mix{mx,my}]
+ return self._wins[_mix(mx,my)]
 end
 
 function level:anchor_points()
@@ -496,17 +499,11 @@ function level:anchor_points()
 end
 
 function level:anchor_at(point)
- return self._anch_by[_mix{_anch_unpack(point)}]
-end
-
-function level:anchor_at_tension(point,tension)
- local ax,ay=_anch_unpack(point)
- local adx,ady=_anch_unpack(tension)
- return self._anch_by[_mix{ax,ay,adx,ady}]
+ return self._anch_by_position[_mix(_anch_unpack(point))]
 end
 
 function level:get_open_pit(mx,my)
- local pit=self._pits[_mix{mx,my}]
+ local pit=self._pits[_mix(mx,my)]
  if (pit and not pit.full) return pit
 end
 
@@ -528,7 +525,7 @@ function level:spawn_exit()
     -- next check: is at least one of
     -- nx or ny out of range [0, 15]?
     if (nx | ny) & 0xFFF0 ~= 0 then
-     self._wins[_mix{nx,ny}]=true
+     self._wins[_mix(nx,ny)]=true
     end
    end
   end
@@ -542,11 +539,11 @@ end
 
 function level:mcoll(mx,my)
  if ((mx | my) & 0xFFF0!=0) return true
- return self._coll[_mix{mx,my}]
+ return self._coll[_mix(mx,my)]
 end
 
 function level:get_crate(mx,my)
- return self._crates[_mix{mx,my}]
+ return self._crates[_mix(mx,my)]
 end
 
 function level:_mget(mx,my)
@@ -556,10 +553,8 @@ function level:_mget(mx,my)
  )
 end
 
-function _mix(arg)
- local out=arg[1]
- for i=2,#arg do out..=","..arg[i] end
- return out
+function _mix(mx,my)
+  return mx..","..my
 end
 
 -- crate spec:
@@ -578,7 +573,7 @@ end
 
 function level:get_latch(dx,dy,px,py)
  local mx,my=px\8,py\8
- local mxy=_mix{mx,my}
+ local mxy=_mix(mx,my)
  
  local crate=self._crates[mxy]
  local dx1,dy1=-sgn0(dx),-sgn0(dy)
@@ -635,7 +630,7 @@ function level:can_move(
 end
 
 function level:tug_crate(mx0,my0,dmx,dmy)
- local mxy0=_mix{mx0,my0}
+ local mxy0=_mix(mx0,my0)
  local existing=self._crates[mxy0]
  if (not existing) return
  
@@ -650,7 +645,7 @@ function level:tug_crate(mx0,my0,dmx,dmy)
   {px=px1,py=py1}
  }
 
- self._crates[_mix{mx1,my1}]=existing
+ self._crates[_mix(mx1,my1)]=existing
 end
 
 -->8
@@ -890,7 +885,6 @@ function rope:new(
   id=0,
   state={name="cast",frame=0},
   latch=latch,
-  flicker_t=t(),
  }
  r.src=src
  r.dst=dst
@@ -976,7 +970,7 @@ function rope:affected_src_xy(artificial_px,artificial_py)
 end
 
 function rope:draw(artificial_px,artificial_py)
- local points,highlight,hypo_ops=self:_tug(true)
+ local points,highlight=self:_tug(true)
  local n,perc_to_show,from_end = self.state.name,1.0
  if (n=="done") return
  if (n=="cast") perc_to_show=self.state.frame/2
@@ -1046,16 +1040,6 @@ function rope:draw(artificial_px,artificial_py)
   color()
  end
 
- -- hypothetical
- local time=t()-self.flicker_t
- if n=="latched" and time>0 and time%0.5>0.25 and not level:busy() then
-  for o in all(hypo_ops) do
-   local mx0,my0,dmx,dmy=unpack(o)
-   local px1,py1=(mx0+dmx)*8,(my0+dmy)*8
-   spr(14,px1,py1)
-  end
- end
-
  -- debug
  --[[
  local n1=self.src
@@ -1098,7 +1082,7 @@ function rope:draw(artificial_px,artificial_py)
 	 pset(x+p.adx,y,11)
 	 pset(x,y+p.ady,11)
 	end
- ]]--
+ ]]
 end
 
 function rope:drag_dst(xy)
@@ -1132,9 +1116,9 @@ function rope:relax()
   local n2=n1.next
   if (not n2) return
 
-  local adxy,position_new=calc_tension(n0,n1,n2)
-  local anch=level:anchor_at_tension(n1,adxy)
-  if not anch or _anch_eq(n1,position_new) then
+  local anch=level:anchor_at(n1)
+  local wouldstick,position_new=would_stick(anch,n0,n1,n2)
+  if not (wouldstick or _anch_eq(n1,position_new)) then
    self:_drag(n1,position_new,{_anch_unpack(n1)})
    _anch_del(n1)
   else n0=n0.next end
@@ -1210,9 +1194,9 @@ function rope:_check_pinch()
  return true
 end
 
-function calc_tension(xy0,xy1,xy2)
+function would_stick(anchor,xy0,xy1,xy2)
  local x0,y0=_anch_unpack(xy0)
- local x1,y1=_anch_unpack(xy1)
+ local x1,y1=_anch_unpack(xy1 or anchor)
  local x2,y2=_anch_unpack(xy2)
 
  local dx,dy=x2-x0,y2-y0
@@ -1236,12 +1220,10 @@ function calc_tension(xy0,xy1,xy2)
   x1_new,y1_new=x0+(y1-y0)/dy*dx,y1
   ady,adx=signs(dx,x1_new-x1)
  end
- return {adx,ady},{x1_new,y1_new}
-end
 
-function would_stick(anch,tens)
- adx,ady=unpack(tens)
- return anch.adx==adx and anch.ady==ady
+ return 
+  anchor and anchor.adx==adx and anchor.ady==ady,
+  {x1_new,y1_new}
 end
 
 function rope:experience_anchor_moves(moves)
@@ -1305,7 +1287,7 @@ function rope:_be_pushed_by1(anch_old,anch_new)
 
    (_which_side(anch_old,n0,n1)!= 
     _which_side(anch_new,n0,n1) 
-   ) and would_stick(anch_new,calc_tension(n0,anch_new,n1))
+   ) and would_stick(anch_new,n0,nil,n1)
   then
    local nx05,ny05
    if ax_new==ax_old then
@@ -1343,7 +1325,7 @@ function rope:_drag(n1,new,removing)
      local side_orig=_which_side(anchor,pivot,point_orig)
      local side_final=_which_side(anchor,pivot,point_final)
 
-     if (side_orig!=side_final and would_stick(anchor,calc_tension(pivot,anchor,point_final))) add(eligible,{anchor,side_final})
+     if (side_orig!=side_final and would_stick(anchor,pivot,nil,point_final)) add(eligible,{anchor,side_final})
     end
    end
 
@@ -1504,9 +1486,7 @@ end
 
 function rope:tug()
  if (not self:latched()) return
- local success=self:_tug()
- if (success) self.flicker_t=t()
- return success
+ return self:_tug()
 end
 
 function rope:_tug(hypothetically)
@@ -1526,16 +1506,19 @@ function rope:_tug(hypothetically)
   local ops=ops_to_do
 
   if #ops>0 then
-   if (hypothetically) return ancs,i-1,ops
+   if (hypothetically) return ancs,i-1
 
-   for o in all(ops) do level:tug_crate(unpack(o)) end
+   local dmx,dmy=ops[1].dmx,ops[1].dmy
+   for o in all(ops) do
+    level:tug_crate(o.mx,o.my,o.dmx,o.dmy)
+   end
    return true
   end
  end
 
  local latch=self.latch
  if latch and latch.el=="eyehook" then
-  if (hypothetically) return ancs,0,{}
+  if (hypothetically) return ancs,0
   player.todo={{
    update=function(s) 
     if not s.rope or s.rope:done() then
@@ -1579,7 +1562,7 @@ function rope:_tug(hypothetically)
   if not invalid_move and
    level:can_move(false,mx0,my0,dmx,dmy,1,0)
   then
-   if (hypothetically) return ancs,0,{{mx0,my0,dmx,dmy}}
+   if (hypothetically) return ancs,0
 
    level:tug_crate(mx0,my0,dmx,dmy) 
    return true
@@ -1625,7 +1608,7 @@ function rope:_calc_push(
   end
   
   for my=my0,my1,smy do
-   add(ops,{mx,my,dmx,0})
+   add(ops,{mx=mx,my=my,dmx=dmx,dmy=0})
   end
  end
  
@@ -1652,19 +1635,18 @@ function rope:_calc_push(
   end
   
   for mx=mx0,mx1,smx do
-   add(ops,{mx,my,0,dmy})
+   add(ops,{mx=mx,my=my,dmx=0,dmy=dmy})
   end
  end
 
  local ops2={}
  for o in all(ops) do
-  local mx,my,dmx,dmy=unpack(o)
-  if not level:mcoll(mx,my) then
+  if not level:mcoll(o.mx,o.my) then
    -- great!
   else
-   local crate=level:get_crate(mx,my)
+   local crate=level:get_crate(o.mx,o.my)
    if crate then
-    if not level:can_move(false,mx,my,dmx,dmy,0,0) then
+    if not level:can_move(false,o.mx,o.my,o.dmx,o.dmy,0,0) then
      break
     end
    else
@@ -1882,14 +1864,14 @@ function debugmouse:draw3()
 end
 
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