Allow reeling in

chameleonic.p8

@@ -788,10 +788,18 @@ function player:update()
   end
  end
 
+ if self.rope then
+  self.rope:update()
+ end
  _apply(self,self.todo)
 
  if self.rope then
   self.rope:update()
+  if self.rope:done_reeling() then 
+   self.x=self.rope.latch.rec.mx+self.rope.latch.dx
+   self.y=self.rope.latch.rec.my+self.rope.latch.dy
+  end
+
   local rx=self.x+self.px/8+0.5
   local ry=self.y+self.py/8+0.5
   -- do the hokey pokey to work out kinks in the rope
@@ -874,6 +882,18 @@ function player:draw()
   end
  end
 
+ local rx,ry=self.x*8+self.px+1,self.y*8+self.py+2
+ if (self.orientx==1) rx+=6
+
+ if self.rope then
+  local rx_adj,ry_adj=self.rope:affected_src_xy(rx,ry)
+  if rx_adj!=nil then
+   local drx,dry=rx_adj-rx,ry_adj-ry
+   rx,ry=rx+drx,ry+dry
+   px,py=px+drx,py+dry
+  end
+ end
+
  if self.orientx==-1 then
   setpal()
   spr(16,px+6,py-2,1,1)
@@ -923,6 +943,10 @@ function rope:done()
  return self.state.name=="done"
 end
 
+function rope:done_reeling()
+ return self.state.name=="done" and self.state.reelin
+end
+
 function rope:update()
  if self.state.name=="cast" then
   self.state.frame+=1
@@ -949,23 +973,59 @@ function rope:update()
 
  elseif self.state.name=="destroy" then -- destroy
   self.state.frame+=1
-  if (self.state.frame>=5) self.state={name="done"}
+  if (self.state.frame>=5) self.state={name="done",reelin=self.state.reelin}
  else 
   -- done state
  end
 end
 
-function rope:destroy()
+function rope:destroy(reelin)
  if (self.state.name=="destroy" or self.state.name=="done") return
- self.state={name="destroy",frame=0}
+ self.state={name="destroy",frame=0,reelin=reelin}
+end
+
+function rope:affected_src_xy(artificial_px,artificial_py)
+ -- this is the loop from :draw but simplified
+ if (not self.state.reelin) return 
+
+ perc_to_show=(1.0-self.state.frame/8)^2
+ local points=self:_anchors_simplified()
+ points[#points]={x=artificial_px,y=artificial_py}
+
+ local len=0
+ for i=1,#points-1 do len+=distance(points[i],points[i+1]) end
+ local len_to_show=perc_to_show*len
+
+ local len_cumulative=0
+ for i=1,#points-1 do
+  local src=points[i]
+  local dst=points[i+1]
+
+  local x,y=dst.x,dst.y
+  local dx,dy=src.x-x,src.y-y
+
+  local len_here=len_to_show-len_cumulative
+  local dist_base=distance_dxy(dx,dy)
+  len_cumulative+=dist_base 
+
+  if len_here>0 and dist_base>0 then
+   local coef=min(len_here/dist_base,1.0)
+
+   return x+dx-dx*coef,y+dy-dy*coef
+  end
+ end
+
+ return points[1]
 end
 
 function rope:draw(artificial_px,artificial_py)
  local points,highlight=self:_tug(true)
  if (self.state.name=="done") return
  local perc_to_show=1.0
+ local from_end=false
  if (self.state.name=="cast") perc_to_show=self.state.frame/2
- if (self.state.name=="destroy") perc_to_show=(1.0-self.state.frame/5)^2
+ if (self.state.name=="destroy") perc_to_show=(1.0-self.state.frame/8)^2
+ if (self.state.reelin) from_end=true
 
  points[#points]={x=artificial_px,y=artificial_py}
 
@@ -976,7 +1036,9 @@ function rope:draw(artificial_px,artificial_py)
  local len_to_show=perc_to_show*len
 
  local len_cumulative=0
- for i=#points-1,1,-1 do
+ local ia,iz,istep=#points-1,1,-1
+ if (from_end) ia,iz,istep=1,#points-1,1
+ for i=ia,iz,istep do
   local src=points[i]
   local dst=points[i+1]
 
@@ -985,11 +1047,17 @@ function rope:draw(artificial_px,artificial_py)
 
   local len_here=len_to_show-len_cumulative
   local dist_base=distance_dxy(dx,dy)
-  len_cumulative+=dist_base
+  len_cumulative+=dist_base 
 
   if len_here>0 and dist_base>0 then
    local coef=min(len_here/dist_base,1.0)
-   dx,dy=dx*coef,dy*coef
+
+   if from_end then
+    x,y=x+dx-dx*coef,y+dy-dy*coef
+    dx,dy=dx*coef,dy*coef
+   else
+    dx,dy=dx*coef,dy*coef
+   end
 
    local color=8
    if (highlight==i) color=12
@@ -1002,7 +1070,7 @@ function rope:draw(artificial_px,artificial_py)
  end
 
  -- draw latch
- if self.latch!=nil and self.latch.rec and perc_to_show>=1.0 then
+ if self.latch!=nil and self.latch.rec and (perc_to_show>=1.0 or from_end) then
   local x,y=self.latch.rec.px,self.latch.rec.py
   local ldx,ldy=self.latch.dx,self.latch.dy
   local color=8
@@ -1141,7 +1209,7 @@ function rope:relax()
 end
 
 function rope:_check_sane()
- if (self.state.name!="latched") return true
+ if (not self:latched()) return true
  if (level:busy()) return true
 
  local n0=self.src
@@ -1502,6 +1570,18 @@ function rope:_tug(hypothetically)
  end
 
  local latch=self.latch
+ if latch!=nil and latch.el=="eyehook" then
+  if (hypothetically) return ancs,0
+  player.todo={{
+   update=function(s) 
+    if s.rope==nil or s.rope:done() then
+     return true
+    end
+   end
+  }}
+  self:destroy(true)
+  return true
+ end
  if latch!=nil and latch.el=="crate" then
   local dmx,dmy=
    sgn0(latch.dx),
@@ -1888,7 +1968,7 @@ __map__
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