From 0f4d4d23fa92b4f56978016c7e58de8943c112e9 Mon Sep 17 00:00:00 2001
From: duncathan <dunc@duncathan.com>
Date: Mon, 5 Apr 2021 20:04:06 -0600
Subject: [PATCH] makes the title screen hash into a real hash

---
 src/database/world_graph.lua | 18 ++++++++++++++----
 src/randomizer.lua           | 12 +++++++++++-
 2 files changed, 25 insertions(+), 5 deletions(-)

diff --git a/src/database/world_graph.lua b/src/database/world_graph.lua
index e0e3754..c608dcf 100644
--- a/src/database/world_graph.lua
+++ b/src/database/world_graph.lua
@@ -702,7 +702,7 @@ function worldGraph.locationsArray(locations)
   return array
 end
 
-function worldGraph:logLocations()
+function worldGraph:serialize()
   local array = {}
   for k,v in pairs(self.regions) do
     table.insert(array, v)
@@ -712,17 +712,27 @@ function worldGraph:logLocations()
     return a.order < b.order
   end
 
+  local lines = {}
+
   for k,r in ipairs(_.sort(array,sort)) do
     if next(r.locations) then
-      logSpoiler("")
-      logSpoiler("Region: " .. r.name)
+      lines:insert("")
+      lines:insert("Region: " .. r.name)
       for k2,l in pairs(r.locations) do
         if l.item ~= nil and not _has({l.item}, "event") then
-          logSpoiler("\t " .. l.name .. ": " .. l.item.name)
+          lines:insert("\t " .. l.name .. ": " .. l.item.name)
         end
       end
     end
   end
+
+  return lines
+end
+
+function worldGraph:logLocations()
+  for k,v in ipairs(worldGraph:serialize()) do
+    logSpoiler(v)
+  end
 end
 
 return worldGraph
\ No newline at end of file
diff --git a/src/randomizer.lua b/src/randomizer.lua
index 7c0c19d..d72f3ad 100644
--- a/src/randomizer.lua
+++ b/src/randomizer.lua
@@ -286,8 +286,18 @@ function C:_copyMyChar()
 end
 
 function C:_generateHash()
+  local serialized = self.worldGraph:serialize():concat()
+  local hashed = ld.encode('string', 'hex', ld.hash('sha256', serialized))
+  hashed = tonumber(hashed:sub(-8,  -1), 16)
+  hashed = hashed % (39^5)
+  
+  local h = {}
+  for i=1,5 do
+    h:insert((hashed%39)+1)
+    hashed = math.floor(hashed / 39)
+  end
+
   local path = self:_getWritePath() .. '/hash.txt'
-  local h = {love.math.random(39), love.math.random(39), love.math.random(39), love.math.random(39), love.math.random(39)}
   U.writeFile(path, ("%04d,%04d,%04d,%04d,%04d"):format(h[1], h[2], h[3], h[4], h[5]))
   return h
 end