From 8b1d12f1529cf7fc1f420ab2c3e026636c23621d Mon Sep 17 00:00:00 2001
From: Nyeogmi <economicsbat@gmail.com>
Date: Sun, 1 Jan 2023 14:55:02 -0800
Subject: [PATCH] Add arrow hints and use them

---
 chameleonic.p8 | 69 ++++++++++++++++++++++++++++++++------------------
 1 file changed, 45 insertions(+), 24 deletions(-)

diff --git a/chameleonic.p8 b/chameleonic.p8
index 6dca504..dc215ff 100644
--- a/chameleonic.p8
+++ b/chameleonic.p8
@@ -26,10 +26,10 @@ function music_off()
  menuitem(3, "music: off", music_on)
 end
 
-function gsv(s)
- local ret=split(s,"\n")
+function gsv(s,sep1,sep2)
+ local ret=split(s,sep1 or "\n")
  for i,v in ipairs(ret) do
-  ret[i] = type(v) == "string" and split(v,"`") or {v} end
+  ret[i] = type(v) == "string" and split(v,sep2 or "`") or {v} end
  return ret
 end
 
@@ -293,7 +293,7 @@ function level:init()
 end
 
 function level:reinit(n)
- self.hintlevel = 0
+ self.hintlevel=255
  self.ix=n
  self.todo={}
  self.bigx,self.bigy=n%8,n\8
@@ -1754,8 +1754,10 @@ end
 -- [3] y coord
 -- [4] message line 1 (rot13)
 -- [5] message llne 2 (rot13)
+-- [6] arrow  (semicolon separated list: each element is two comma-separated integers)
 -- row 5 can be omitted
 -- for a 1-line hint
+-- row 6 can be omitted if there is no arrow
 --
 -- multiple hints for the same
 -- room are revealed in order
@@ -1765,19 +1767,21 @@ add(real_modules,hints)
 
 function hints:init()
  local h = gsv[[0`42`57`🅾️ yVPX`  ■
-0`42`73`❎, ❎ cHYY
-1`35`34`⁘ sVYY
-1`99`82`■ cHYY
-1`42`98`⁘`VTABER
-2`75`65`i <`⁘
-2`104`73` ■`cHYY
-2`27`42`⁘
-3`51`106`■ cHYY
-3`27`81`⁘ HAOYBPX ZR
-3`91`33`■ FGNAQ`  URER]]
+0`42`73`❎, ❎ cHYY``69,67;55,67
+1`35`33`⁘`   cHYY`62,35;41,35
+1`79`82`cHYY ■``100,94;100,88
+1`42`98`⁘`VTABER`66,99;52,99;52,75;28,75;28,120
+2`75`65`   `⁘`86,67;76,67;76,71
+2`104`73` ■`cHYY`81,75;86,75
+2`27`42`⁘``36,16;36,44;31,44
+3`51`106`■``52,97;52,104
+3`-1`-1```28,78;28,45
+3`-1`-1```65,35;83,35
+3`-1`-1```97,35;105,35]]
  for rec in all(h) do
   rec[4]=rot13(rec[4])
   if(rec[5]) rec[5]=rot13(rec[5])
+  if(rec[6]) rec[6]=gsv(rec[6],";",",")
   local lh = self[rec[1]]
   if lh then
    add(lh,rec)
@@ -1791,11 +1795,6 @@ function hints:init()
  poke(0x5f2d,1)
 end
 
-function shdprint(txt,x,y,c)
- print(txt,x-1,y+1,1)
- print(txt,x,y,c)
-end
-
 hintflicker={7,10,9,8,8,9,10,7}
 function hints:draw2()
  pal()
@@ -1807,12 +1806,34 @@ function hints:draw2()
  end
 
 
- for i,h in ipairs(self[level.ix]) do
-  if (i > level.hintlevel) return
-  local _,x,y,txt,txt2=unpack(h)
-  shdprint(txt,x,y,c)
-  if (txt2) shdprint(txt2,x,y+8,c)
+ local function body()
+  for i,h in ipairs(self[level.ix]) do
+   if (i > level.hintlevel) return
+   local _,x,y,txt,txt2,arrow=unpack(h)
+
+   print(txt,x,y)
+   if (txt2) print(txt2,x,y+8)
+
+   if arrow then
+    line()
+    local x0,y0,x1,y1
+    for i=1,#arrow do
+     x0,y0,x1,y1=x1,y1,unpack(arrow[i])
+     line(x1,y1)
+    end
+    local dir=atan2(x1-x0,y1-y0)
+    local function _ahead(d,r)
+     line(x1+r*sgn0(cos(dir+d)),y1+r*sgn0(sin(dir+d)))
+    end
+    _ahead(0.375,2) _ahead(0.625,2) _ahead(0,0)
+   end
+  end
  end
+
+ color(7)
+ camera(1,-1) pal(7,1) body()
+ camera() pal(7,c) body()
+ pal()
 end
 
 __gfx__