Add Gold save-editor support, rearrange the launcher, and ship a patch-notes modal.

The save editor now routes Gold vs RBY through a generation adapter so boxes, items, events, and maps write the right fields. The launcher layout is shuffled a bit, and patch notes can come from the updater, a packed file, or the iOS sidecar.

src/update/Check.lua

@@ -71,6 +71,9 @@ function Check.parseRelease(jsonText, Json)
     payloadName = payloadName,
     payload = Check.pickAsset(doc.assets, payloadName),
     sums = Check.pickAsset(doc.assets, "sha256sums.txt"),
+    -- GitHub release body: already fetched with the update check, shown by
+    -- the launcher's Patch notes footer button.
+    notes = type(doc.body) == "string" and doc.body or "",
   }
 end
 
@@ -135,6 +138,10 @@ local function drain()
   if stateCh then
     local msg = stateCh:pop()
     while msg do
+      if type(msg) == "table" and type(msg.notes) ~= "string"
+          and type(cache.notes) == "string" then
+        msg.notes = cache.notes
+      end
       cache = msg
       msg = stateCh:pop()
     end
@@ -158,11 +165,11 @@ function Check.start()
     return
   end
   requested = true
-  cache = { status = "checking" }
+  cache = { status = "checking", notes = cache.notes, latest = cache.latest }
   cmdCh:push({ cmd = "check" })
 end
 
--- Current snapshot: { status, latest, progress, error }.  status is one of
+-- Current snapshot: { status, latest, progress, error, notes }.  status is one of
 -- idle | checking | uptodate | available | downloading | ready | needs_full | error.
 function Check.state()
   drain()
@@ -171,6 +178,7 @@ function Check.state()
     latest = cache.latest,
     progress = cache.progress,
     error = cache.error,
+    notes = cache.notes,
   }
 end
 
@@ -180,7 +188,8 @@ function Check.download()
   drain()
   if not cmdCh then return end
   if cache.status ~= "available" then return end
-  cache = { status = "downloading", latest = cache.latest, progress = 0 }
+  cache = { status = "downloading", latest = cache.latest, progress = 0,
+    notes = cache.notes }
   cmdCh:push({ cmd = "download" })
 end
 

src/update/PatchNotes.lua

@@ -0,0 +1,112 @@
+-- Resolve the game's patch notes for the launcher footer modal.
+--
+-- Sources, first hit wins:
+--   1. The GitHub body the self-updater already fetched (Check.parseRelease)
+--   2. PATCH_NOTES.md, if a build packed one
+--   3. mobile/ios/app-repo.json -- CI copies each release's notes into
+--      versions[].localizedDescription, so a checkout already has them
+--      on disk even when the updater has not run
+
+local Json = require("src.link.Json")
+
+local PatchNotes = {}
+
+PatchNotes.FILES = {
+  "PATCH_NOTES.md",
+  "assets/PATCH_NOTES.md",
+}
+
+PatchNotes.REPO_FILES = {
+  "mobile/ios/app-repo.json",
+}
+
+local function nonempty(s)
+  return type(s) == "string" and s:find("%S")
+end
+
+function PatchNotes.fromCheck(Check)
+  if not (Check and Check.state) then return nil, nil end
+  local ok, st = pcall(Check.state)
+  st = (ok and type(st) == "table") and st or nil
+  if not st then return nil, nil end
+  if nonempty(st.notes) then
+    return st.notes, st.latest
+  end
+  return nil, st.latest
+end
+
+local function readPath(path)
+  local fs = love and love.filesystem
+  if fs and fs.read then
+    local ok, text = pcall(fs.read, path)
+    if ok and nonempty(text) then return text end
+  end
+  local f = io.open(path, "rb")
+  if not f then return nil end
+  local text = f:read("*a")
+  f:close()
+  return nonempty(text) and text or nil
+end
+
+function PatchNotes.fromFile()
+  for _, path in ipairs(PatchNotes.FILES) do
+    local text = readPath(path)
+    if text then return text end
+  end
+  return nil
+end
+
+-- Newest-first list of { version, notes } from the iOS sidecar.
+function PatchNotes.parseRepo(jsonText)
+  local doc = Json.decode(jsonText)
+  if type(doc) ~= "table" or type(doc.apps) ~= "table" then return {} end
+  local out = {}
+  for _, app in ipairs(doc.apps) do
+    if type(app) == "table" and type(app.versions) == "table" then
+      for _, row in ipairs(app.versions) do
+        if type(row) == "table" and nonempty(row.localizedDescription) then
+          out[#out + 1] = {
+            version = row.version,
+            notes = row.localizedDescription,
+          }
+        end
+      end
+    end
+  end
+  return out
+end
+
+function PatchNotes.fromRepo(engine)
+  for _, path in ipairs(PatchNotes.REPO_FILES) do
+    local text = readPath(path)
+    if text then
+      local list = PatchNotes.parseRepo(text)
+      if #list == 0 then return nil, nil end
+      if engine and engine ~= "0.0.0-dev" then
+        for _, row in ipairs(list) do
+          if row.version == engine then
+            return row.notes, row.version
+          end
+        end
+      end
+      return list[1].notes, list[1].version
+    end
+  end
+  return nil, nil
+end
+
+function PatchNotes.body(Check)
+  local notes, ver = PatchNotes.fromCheck(Check)
+  if notes then return notes, ver end
+  notes = PatchNotes.fromFile()
+  if notes then return notes, ver end
+  local Version = require("src.core.Version")
+  local engine = (Version and Version.engine) or "?"
+  notes, ver = PatchNotes.fromRepo(engine)
+  if notes then return notes, ver end
+  return "No patch notes loaded yet for gen1recomp v" .. engine .. ".\n\n"
+    .. "They appear here after the launcher checks GitHub for the latest "
+    .. "release.", engine
+end
+
+return PatchNotes

src/update/check_worker.lua

@@ -45,7 +45,12 @@ local Boot    = loadModule("src/update/Boot.lua")
 local cmdCh   = love.thread.getChannel("update_check_cmd")
 local stateCh = love.thread.getChannel("update_check_state")
 
-local function post(t) stateCh:push(t) end
+local function post(t)
+  if pending and type(t) == "table" and t.notes == nil then
+    t.notes = pending.notes
+  end
+  stateCh:push(t)
+end
 
 local osName    = (love.system and love.system.getOS and love.system.getOS()) or ""
 local isWindows = osName == "Windows"