From 0b9c5695b88be01ef6af37782feb6a6b32c20485 Mon Sep 17 00:00:00 2001
From: Joltras <72395471+Joltras@users.noreply.github.com>
Date: Tue, 3 Nov 2026 13:48:48 +0000
Subject: [PATCH 1/2] test: pin generated floors for fixed seeds

---
 test/resources/floor_hashes.json | 332 +++++++++++++++++++++++++++++++
 test/seed_stability_test.py      |  72 +++++++
 2 files changed, 404 insertions(+)
 create mode 100644 test/resources/floor_hashes.json
 create mode 100644 test/seed_stability_test.py

diff --git a/test/resources/floor_hashes.json b/test/resources/floor_hashes.json
new file mode 100644
index 0000000..ccb951e
--- /dev/null
+++ b/test/resources/floor_hashes.json
@@ -0,0 +1,332 @@
+{
+  "0/0": "667a9cfead0ee84b24638debe853e9f07b54b62c789e06042cae84615cf18acb",
+  "0/1": "511ba73ee63d111c6791ddd538e8483149b0723a3272f921728243d0cd157a45",
+  "0/2": "26b1ad266ec647d0f9201b7ccfca7717670e75413855b2d31c400126a7217e68",
+  "0/3": "50fa6fdc4bf885bbea09935c0ce03fa3a96b6c0c308fcbf35abd255557f282bc",
+  "0/4": "c7d909fe0035c561c3d726a3b20e46f069931c0b6697d64e0e396d11b4c6070e",
+  "0/5": "346a0df5597ec95c737993cd70865bf7656d5ca7856ed636eb0656b194e13d9a",
+  "0/6": "93aea70619ca3b9cb1e8a6eb94686e74763f99b318fa6804c368532af88e6ab0",
+  "0/7": "219057f3cf676b0fe38fb0ff042ffc53d69dd0aa488b76c816364eb43ae578a6",
+  "0/8": "f47759906af1b61abc028fca7bc7d5a964b991aa69834e8f7f720f1699f59029",
+  "0/9": "5be1da3c324e4a0495ff3e039c1a5d7007575cdec7ee6038d6f90dd36ecb72a3",
+  "0/10": "6e7a7c514bc65e5e172003b050d5cfa2a857d7bced3d7238ec7b99c6ab18cb45",
+  "0/11": "351cc68dbeb351c7999b87a9dff288549b91a2d54e0c4429f2f579c5335bb7b6",
+  "0/12": "427723824565adeafb942a0c9ba52abccd9873740b4e30825e93d983aee72cb2",
+  "0/13": "215369ecf981ba5e064c6eefcda6ac79076efaa2c9d8d28302c8ab151651190a",
+  "0/14": "75368c18f997422ddd4bfb95229bda9704ee2f1b71e9bb28f4b45da71051eabd",
+  "0/15": "0cdcf54e7d11df66b83ddeca4735887ff32561786c99e822bfc277973a0cdc15",
+  "0/16": "e5fc5668106c98931c1fdacef1c9b78f052a50cfb94c7c6fc7bc340d77703a04",
+  "0/17": "d31b7f1559567099e48a4671e179df4131bc78c89ccd300c2995114b4d8a8c99",
+  "0/18": "235dd2d3f5cb746804a32924925b44b9d987fc4157e980a887456cd9e3388b0a",
+  "0/19": "4ae80f039241f42f0b3fbdc63fbb1554ddd8c6d243eba2546b3d989bbff32750",
+  "0/20": "eccac4c2ea2d1c95ddb0ded51d50e8526254022f108da1ba897da000f908f796",
+  "0/21": "70993482c9a0bd264d8bca0ed840af610ebd80881c1a1d50c88ee65fb894bd31",
+  "0/22": "3eec1a1e4dc492765a032910a0f07ce0fd3d2dc9192ad74cbe0f5793ca381bd4",
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+  "0/24": "6205bd8a27e381315c39f13e817f5634ba4e8217d82c1b5aaf1f6869e8a0f385",
+  "0/25": "2a88e34db0b070e4adeb32453cda0ca25cf99728105e9b878f79c3f47a92479a",
+  "0/26": "d627348b95b94e5ac8cdcaa2ae22618ef5622e2602863e842500bc11ef72b6c1",
+  "0/27": "572ead0d8ba0863a75972f405c6e6651a1e8e27a9c76b4956afaa5debaefb6e2",
+  "0/28": "c6608af427541a761bf8709dca029769562fc607b098cc23acf26f306081546d",
+  "0/29": "13acb5687d39012211189d5f2e6d45b9c4769fb6559336756b9fc7c8e5ccc77d",
+  "0/30": "66f83cbfabecbf60f9f01da2813aae2e98bf6f02178873f0ebc9395bb3ad15ed",
+  "0/31": "52ecc85fa13212a8a65ccd5598c02d32d3b97ba2ceac52e972d31cd083497150",
+  "0/32": "b66365a61dd2e47259642b331fa79613c81a4e6b53e8cc499b7a18a8ad0631e5",
+  "0/33": "57ca45a409f1734e45bcbc78fbe881552e3687d87a0dd0bf5bb2b31d449b31de",
+  "0/34": "31d530d4ca914b9c1d79d7b082dfbcfb7807b70e3275310514c144090fe13520",
+  "0/35": "79576b80e0adc3c2b71cc86c2b447dc30ea62f05ddf64b45ca2ef5d7d56f02c2",
+  "0/36": "0438356877c517b5c4c92e370fb2be6a156b2e6c8d5ecdbcb382ff3861c8e34f",
+  "0/37": "fff9e190d602030911360f579250d55e982188e60f7649eebbb3a53a3565ce2b",
+  "0/38": "107e1e2dd304f3949b9a353a8f7ad2555e9b8648d62f365e27123276cff82f81",
+  "0/39": "432b0f2112f18bf254c7bdce2a5288e3d6d9991c374df23cf9f84ae14d01c22f",
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+  "0/41": "97d64952c0c4e50b6185c0f2657b2d7fe98bd609d1c6b0e305ea9601ea8686da",
+  "0/42": "131b39d37c07baa8e21119c9fc2eb9dba8a30d9874bc19819d65d6addb5948a3",
+  "0/43": "6342fe5cbcf02e51359a7de02065be4e48ad221e7de8ed43ef97ca13cf7baac9",
+  "0/44": "75481f7107123d1fc9919b274bfcdbbfb607571dd3075c9e2014719d60adce34",
+  "0/45": "3c0b0db22342bceaed5918058d6429b1d7153b05e01fe3d6dff7afafb11167da",
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+  "0/48": "b53af9d64d168e4052b178b11c9682b79a21e363598b3c3d46fec259ed90bc0d",
+  "0/49": "d383610c527d2387243890543439d57afaab9599349443f1e173f1a494b71135",
+  "0/abc": "ee670af2d2421047ace08b96402dbecedb9e23789bb451ce525a91df69e22e55",
+  "0/test-seed": "db05390daa78e555bc4ae76274e06209f979c994cb56665ec7a9b01cb2a9b106",
+  "0/a\"b": "e7afc132e9e14381dd6a2fdf425ab6319b04f3a18c2ff603808c6fc5b5766f0f",
+  "0/ä🙂": "8f5975ac7b35255a3a23e16481f530cce51077176d5eca456e40516d430e8e86",
+  "0/78d11f0d5a8bd74e510194e16e4b352a": "94807a03104fb5f26cdc228fcaa296c4c223cc0796aa7cacc486e446fc63aa89",
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+  "1/1": "6fb84b346119e22c0dbd6cb46ceb9894c64281953054893b258d34b92cdcba7e",
+  "1/2": "4b0b7ae037a6784ecd68b445389fb2c0a1c19f985a5489ab41bbfa0cee0133e8",
+  "1/3": "228085855591c043f2bb78f25f637d075fd984d7b543efe96569daeceece0b8f",
+  "1/4": "7bd40c34f3682a2e1baa586c9e8d2638604c1ad4e6b1b97325de0d9a775662e3",
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+  "1/7": "7541e95e1299dd308101611b9dabc4c834d5b27545be6c045f34d12ec61273d1",
+  "1/8": "d58f50c11bc025df8410ac14a057acc25d3dc1cbfdc4e0c05ce7f2bc71259943",
+  "1/9": "c052335d435909de9292aec4de4ef9adb62ea85f1d7f6d66c77f0564a78d9849",
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+  "5/43": "4ebff8f84b96443e19b84d652a7a6b22b93b4ebfc9c79fecb25aca365a75cd60",
+  "5/44": "9e04f12faad590e7e63fe9eb1c9f3feb77d552639e84316476a32a2b652ac906",
+  "5/45": "e103b2acfd229af679c8fc26cac28136fbc6e59bc00513bcfe2902b47cf0cd8e",
+  "5/46": "44959e142644edcbab628bd8d6f7a8f4a39d2f312e44d49bf1b050e89ef3ae85",
+  "5/47": "9cad9e862e497fade7bb72f08a76dcb465d74bb4e49492e019e20932bbd3f9d5",
+  "5/48": "4d43d15c416173c2d48456545ac2ab2970e9c8c24cf105c0aa8028b9fca09c35",
+  "5/49": "0975d1973f06d0bf87e8d3c7a7149948ec626be84663a5ac2c7f03e4cafebcd5",
+  "5/abc": "042cb2bc6fdfe66e8b07b61370ece79c70d3fad7c20c7e77ad9753f7cbccf2c9",
+  "5/test-seed": "ea7b8f76c8cef87ba1c39579f38024ac065c37f04188af2c7478c0ed5513b5c6",
+  "5/a\"b": "9abf6361465ac59c78ce474ed9289afc881d4eed5cd4c4a135799fa4770f193e",
+  "5/ä🙂": "afd45e3d69ceb133bf2a7e619412cbc7f1329bec2715143d15496e433637e1c1",
+  "5/78d11f0d5a8bd74e510194e16e4b352a": "d942016262709754f4d295a217cee0c24b3ef66e7db1b02644fde948d6ef58b0"
+}
diff --git a/test/seed_stability_test.py b/test/seed_stability_test.py
new file mode 100644
index 0000000..2aafbda
--- /dev/null
+++ b/test/seed_stability_test.py
@@ -0,0 +1,72 @@
+"""
+Makes sure that a seed and floor id always produce the same floor.
+
+The expected floors are stored as hashes in resources/floor_hashes.json.
+If a change to the generation is intended, regenerate them with:
+    python test/seed_stability_test.py --update
+"""
+
+import hashlib
+import json
+import os
+import sys
+import unittest
+from typing import Dict
+
+_HASH_FILE = os.path.join(os.path.dirname(__file__), "resources", "floor_hashes.json")
+_SEEDS = [str(number) for number in range(50)] + [
+    "abc",
+    "test-seed",
+    'a"b',
+    "ä🙂",
+    "78d11f0d5a8bd74e510194e16e4b352a",
+]
+_FLOOR_IDS = range(6)
+
+
+def _floor_hash(seed: str, floor_id: int) -> str:
+    # pylint: disable=import-outside-toplevel
+    from generators.generator import Generator
+
+    generator = Generator(seed, "floor", stage_id=floor_id)
+    generator.generate()
+    canonical = json.dumps(
+        generator.to_dict(), sort_keys=True, separators=(",", ":"), ensure_ascii=False
+    )
+    return hashlib.sha256(canonical.encode("utf-8")).hexdigest()
+
+
+def _current_hashes() -> Dict[str, str]:
+    return {
+        f"{floor_id}/{seed}": _floor_hash(seed, floor_id)
+        for floor_id in _FLOOR_IDS
+        for seed in _SEEDS
+    }
+
+
+class SeedStabilityTest(unittest.TestCase):
+    def test_seeds_produce_the_same_floors(self):
+        with open(_HASH_FILE, encoding="utf-8") as file:
+            expected = json.load(file)
+
+        current = _current_hashes()
+
+        changed = sorted(key for key in expected if current.get(key) != expected[key])
+        self.assertEqual(
+            [],
+            changed,
+            f"{len(changed)} of {len(expected)} floors changed (floor id/seed). "
+            "Existing seeds must keep producing the same floors.",
+        )
+        self.assertEqual(sorted(expected), sorted(current))
+
+
+if __name__ == "__main__":
+    if "--update" in sys.argv:
+        sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "src"))
+        with open(_HASH_FILE, "w", encoding="utf-8") as hash_file:
+            json.dump(_current_hashes(), hash_file, indent=2, ensure_ascii=False)
+            hash_file.write("\n")
+        print(f"Updated {_HASH_FILE}")
+    else:
+        unittest.main()

From 6b34b1447ad2b68582454a5f5cbb3a0c7d7dda09 Mon Sep 17 00:00:00 2001
From: Joltras <72395471+Joltras@users.noreply.github.com>
Date: Tue, 3 Nov 2026 13:49:32 +0000
Subject: [PATCH 2/2] refactor: name the super secret room distance limit

---
 src/generators/generator.py | 6 +++---
 src/utils/globals.py        | 3 +++
 src/utils/util_functions.py | 8 +++-----
 3 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/src/generators/generator.py b/src/generators/generator.py
index 6febdcc..2188a27 100644
--- a/src/generators/generator.py
+++ b/src/generators/generator.py
@@ -318,13 +318,13 @@ def add_special_rooms(self, dead_ends: list) -> None:
 
     def place_super_secret_room(self) -> None:
         """
-        Places a super secret room on the flor.
+        Places a super secret room on the floor.
         The super secret room should be as close as possible to the boss room
         but should not be adjacent to the boss room.
-        There should only have one adjacent room.
+        It should only have one adjacent room.
         """
         floor = self._floor
-        distance_to_boss = 25
+        distance_to_boss = my_globals.MAX_SUPER_SECRET_ROOM_DISTANCE_SQUARED
         candidate = None
         boss_room = floor.get_boss_room()
         for room in floor.get_rooms():
diff --git a/src/utils/globals.py b/src/utils/globals.py
index acf3125..0829c48 100644
--- a/src/utils/globals.py
+++ b/src/utils/globals.py
@@ -63,6 +63,9 @@ class Color(Enum):
 FLOOR_WIDTH: int = 9
 FLOOR_HEIGHT: int = 8
 MAX_ROOMS: int = 15
+# The super secret room is only placed closer than this to the boss room
+# (squared distance, 25 means a distance below 5 rooms)
+MAX_SUPER_SECRET_ROOM_DISTANCE_SQUARED: int = 25
 # Distance between start and boss room
 X_OFFSET = (FLOOR_WIDTH * ROOM_WIDTH) / 2
 Y_OFFSET = 0
diff --git a/src/utils/util_functions.py b/src/utils/util_functions.py
index 1f75fc0..0ec146c 100644
--- a/src/utils/util_functions.py
+++ b/src/utils/util_functions.py
@@ -4,7 +4,6 @@
 
 import os
 import random
-import math
 from typing import Tuple
 
 import utils.globals as my_globals
@@ -37,14 +36,13 @@ def get_picture_for_room_type(room_type: RoomType):
 def calculate_room_amount(stage_id: int, rng: random.Random) -> int:
     """
     Calculates the room amount.
+    The generator may place a few more rooms than this,
+    because it adds all neighbours of a room in one step.
     @param stage_id: id for the floor
     @param rng: random number generator to use
     :return: room amount
     """
-    return min(
-        my_globals.MAX_ROOMS,
-        int(rng.randint(0, 1) + 5 + math.floor(stage_id * 10) / 3.0),
-    )
+    return min(my_globals.MAX_ROOMS, rng.randint(0, 1) + 5 + stage_id * 10 // 3)
 
 
 def place_room(rng: random.Random) -> bool: