Fix champion rival walk-out route

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

tests/drivers/hall_of_fame_bug704_test.lua

@@ -195,7 +195,7 @@ return function(game)
   ow:queueScript(slice, { npc = rival })
 
   local startY = ow.player.cellY
-  local minY, walkShot = startY, false
+  local minY, walkShot, sharedCell = startY, false, false
   local hof
   for i = 1, 5000 do
     local top = game.stack:top()
@@ -205,8 +205,9 @@ return function(game)
     end
     local w = game.overworld
     if w and w.map and w.map.id == "CHAMPIONS_ROOM" then
-      local y = w.player.cellY
+      local x, y = w.player.cellX, w.player.cellY
       if y < minY then minY = y end
+      if x == rival.cellX and y == rival.cellY then sharedCell = true end
       if y <= 2 and not walkShot then
         walkShot = U.shot(game, DIR .. "/hof704_follows_oak.png")
       end
@@ -215,6 +216,7 @@ return function(game)
   end
   check("the player walked out of the room before the warp (#704)",
         minY < startY)
+  check("the player routed around the rival", not sharedCell)
   check("walk-out screenshot", walkShot)
   check("the induction started", hof ~= nil)
   if not hof then

tests/parity_B.lua

@@ -60,6 +60,17 @@ for _, r in ipairs(rows) do
 end
 check(not hasRecord, "CHAMPIONS_ROOM rival script no longer calls record_hall_of_fame")
 
+-- The post-battle walk takes the right-hand detour before heading north, so
+-- the player does not visibly pass through the rival at (4,2).
+local route = {}
+for _, r in ipairs(rows) do
+  if r[1] == "move_player" then route[#route + 1] = r end
+end
+eq(route[#route - 1] and route[#route - 1][2], "right",
+   "walk-out route first moves right around the rival")
+eq(route[#route] and route[#route][2], "up",
+   "walk-out route then heads north to Hall of Fame")
+
 -- (3) Commands.face_player_dir sets the player's facing
 local Commands = require("src.script.Commands")
 check(type(Commands.face_player_dir) == "function", "Commands.face_player_dir is a function")