5 files changed, 114 insertions, 27 deletions

@@ -69,6 +69,7 @@ class Lingo2World(World):
             "daedalus_roof_access",
             "keyholder_sanity",
             "shuffle_doors",
+            "shuffle_letters",
             "victory_condition",
         ]
 
@@ -8,6 +8,29 @@ class ShuffleDoors(Toggle):
     display_name = "Shuffle Doors"
 
 
+class ShuffleLetters(Choice):
+    """
+    Controls how letter unlocks are handled. Note that H1, I1, N1, and T1 will always be present at their vanilla
+    locations in the starting room, even if letters are shuffled remotely.
+
+    - **Vanilla**: All letters will be present at their vanilla locations.
+    - **Unlocked**: Players will start with their keyboards fully unlocked.
+    - **Progressive**: Two items will be added to the pool for every letter (one for H, I, N, and T). Receiving the
+      first item gives you the corresponding level 1 letter, and the second item gives you the corresponding level 2
+      letter.
+    - **Vanilla Cyan**: Players will start with all level 1 (purple) letters unlocked. Level 2 (cyan) letters will be
+      present at their vanilla locations.
+    - **Item Cyan**: Players will start with all level 1 (purple) letters unlocked. One item will be added to the pool
+      for every level 2 (cyan) letter.
+    """
+    display_name = "Shuffle Letters"
+    option_vanilla = 0
+    option_unlocked = 1
+    option_progressive = 2
+    option_vanilla_cyan = 3
+    option_item_cyan = 4
+
+
 class KeyholderSanity(Toggle):
     """
     If enabled, 26 locations will be created for placing each key into its respective Green Ending keyholder.
@@ -48,6 +71,7 @@ class VictoryCondition(Choice):
 @dataclass
 class Lingo2Options(PerGameCommonOptions):
     shuffle_doors: ShuffleDoors
+    shuffle_letters: ShuffleLetters
     keyholder_sanity: KeyholderSanity
     daedalus_roof_access: DaedalusRoofAccess
     victory_condition: VictoryCondition
@@ -1,7 +1,9 @@
+from enum import IntEnum, auto
+
 from .generated import data_pb2 as data_pb2
 from typing import TYPE_CHECKING, NamedTuple
 
-from .options import VictoryCondition
+from .options import VictoryCondition, ShuffleLetters
 
 if TYPE_CHECKING:
     from . import Lingo2World
@@ -14,10 +16,6 @@ def calculate_letter_histogram(solution: str) -> dict[str, int]:
             real_l = l.upper()
             histogram[real_l] = min(histogram.get(real_l, 0) + 1, 2)
 
-    for free_letter in "HINT":
-        if histogram.get(free_letter, 0) == 1:
-            del histogram[free_letter]
-
     return histogram
 
 
@@ -27,6 +25,7 @@ class AccessRequirements:
     rooms: set[str]
     symbols: set[str]
     letters: dict[str, int]
+    cyans: bool
 
     # This is an AND of ORs.
     or_logic: list[list["AccessRequirements"]]
@@ -37,14 +36,9 @@ class AccessRequirements:
         self.rooms = set()
         self.symbols = set()
         self.letters = dict()
+        self.cyans = False
         self.or_logic = list()
 
-    def add_solution(self, solution: str):
-        histogram = calculate_letter_histogram(solution)
-
-        for l, a in histogram.items():
-            self.letters[l] = max(self.letters.get(l, 0), histogram.get(l))
-
     def merge(self, other: "AccessRequirements"):
         for item in other.items:
             self.items.add(item)
@@ -61,6 +55,8 @@ class AccessRequirements:
         for letter, level in other.letters.items():
             self.letters[letter] = max(self.letters.get(letter, 0), level)
 
+        self.cyans = self.cyans or other.cyans
+
         for disjunction in other.or_logic:
             self.or_logic.append(disjunction)
 
@@ -76,6 +72,8 @@ class AccessRequirements:
             parts.append(f"symbols={self.symbols}")
         if len(self.letters) > 0:
             parts.append(f"letters={self.letters}")
+        if self.cyans:
+            parts.append(f"cyans=True")
         if len(self.or_logic) > 0:
             parts.append(f"or_logic={self.or_logic}")
         return f"AccessRequirements({", ".join(parts)})"
@@ -86,6 +84,12 @@ class PlayerLocation(NamedTuple):
     reqs: AccessRequirements
 
 
+class LetterBehavior(IntEnum):
+    VANILLA = auto()
+    ITEM = auto()
+    UNLOCKED = auto()
+
+
 class Lingo2PlayerLogic:
     world: "Lingo2World"
 
@@ -100,6 +104,8 @@ class Lingo2PlayerLogic:
 
     real_items: list[str]
 
+    double_letter_amount: dict[str, int]
+
     def __init__(self, world: "Lingo2World"):
         self.world = world
         self.locations_by_room = {}
@@ -109,6 +115,7 @@ class Lingo2PlayerLogic:
         self.proxy_reqs = dict()
         self.door_reqs = dict()
         self.real_items = list()
+        self.double_letter_amount = dict()
 
         if self.world.options.shuffle_doors:
             for progressive in world.static_logic.objects.progressives:
@@ -135,14 +142,20 @@ class Lingo2PlayerLogic:
         for letter in world.static_logic.objects.letters:
             self.locations_by_room.setdefault(letter.room_id, []).append(PlayerLocation(letter.ap_id,
                                                                                         AccessRequirements()))
+            behavior = self.get_letter_behavior(letter.key, letter.level2)
+            if behavior == LetterBehavior.VANILLA:
+                letter_name = f"{letter.key.upper()}{'2' if letter.level2 else '1'}"
+                event_name = f"{letter_name} (Collected)"
+                self.event_loc_item_by_room.setdefault(letter.room_id, {})[event_name] = letter.key.upper()
 
-            letter_name = f"{letter.key.upper()}{'2' if letter.level2 else '1'}"
-            event_name = f"{letter_name} (Collected)"
-            self.event_loc_item_by_room.setdefault(letter.room_id, {})[event_name] = letter.key.upper()
+                if letter.level2:
+                    event_name = f"{letter_name} (Double Collected)"
+                    self.event_loc_item_by_room.setdefault(letter.room_id, {})[event_name] = letter.key.upper()
+            elif behavior == LetterBehavior.ITEM:
+                self.real_items.append(letter.key.upper())
 
-            if letter.level2:
-                event_name = f"{letter_name} (Double Collected)"
-                self.event_loc_item_by_room.setdefault(letter.room_id, {})[event_name] = letter.key.upper()
+            if behavior != LetterBehavior.UNLOCKED:
+                self.double_letter_amount[letter.key.upper()] = self.double_letter_amount.get(letter.key.upper(), 0) + 1
 
         for mastery in world.static_logic.objects.masteries:
             self.locations_by_room.setdefault(mastery.room_id, []).append(PlayerLocation(mastery.ap_id,
@@ -170,7 +183,9 @@ class Lingo2PlayerLogic:
             for keyholder in world.static_logic.objects.keyholders:
                 if keyholder.HasField("key"):
                     reqs = AccessRequirements()
-                    reqs.letters[keyholder.key.upper()] = 1
+
+                    if self.get_letter_behavior(keyholder.key, False) != LetterBehavior.UNLOCKED:
+                        reqs.letters[keyholder.key.upper()] = 1
 
                     self.locations_by_room.setdefault(keyholder.room_id, []).append(PlayerLocation(keyholder.ap_id,
                                                                                                    reqs))
@@ -194,25 +209,25 @@ class Lingo2PlayerLogic:
         reqs.rooms.add(self.world.static_logic.get_room_region_name(panel.room_id))
 
         if answer is not None:
-            reqs.add_solution(answer)
+            self.add_solution_reqs(reqs, answer)
         elif len(panel.proxies) > 0:
             possibilities = []
 
             for proxy in panel.proxies:
                 proxy_reqs = AccessRequirements()
-                proxy_reqs.add_solution(proxy.answer)
+                self.add_solution_reqs(proxy_reqs, proxy.answer)
 
                 possibilities.append(proxy_reqs)
 
             if not any(proxy.answer == panel.answer for proxy in panel.proxies):
                 proxy_reqs = AccessRequirements()
-                proxy_reqs.add_solution(panel.answer)
+                self.add_solution_reqs(proxy_reqs, panel.answer)
 
                 possibilities.append(proxy_reqs)
 
             reqs.or_logic.append(possibilities)
         else:
-            reqs.add_solution(panel.answer)
+            self.add_solution_reqs(reqs, panel.answer)
 
         for symbol in panel.symbols:
             reqs.symbols.add(symbol)
@@ -254,15 +269,20 @@ class Lingo2PlayerLogic:
         if door.HasField("control_center_color"):
             # TODO: Logic for ensuring two CC states aren't needed at once.
             reqs.rooms.add("Control Center - Main Area")
-            reqs.add_solution(door.control_center_color)
+            self.add_solution_reqs(reqs, door.control_center_color)
 
         if door.double_letters:
-            # TODO: When letter shuffle is on, change this to require any double letter instead.
-            reqs.rooms.add("The Repetitive - Main Room")
+            if self.world.options.shuffle_letters in [ShuffleLetters.option_vanilla,
+                                                      ShuffleLetters.option_vanilla_cyan]:
+                reqs.rooms.add("The Repetitive - Main Room")
+            elif self.world.options.shuffle_letters in [ShuffleLetters.option_progressive,
+                                                        ShuffleLetters.option_item_cyan]:
+                reqs.cyans = True
 
         for keyholder_uses in door.keyholders:
             key_name = keyholder_uses.key.upper()
-            if key_name not in reqs.letters:
+            if (self.get_letter_behavior(keyholder_uses.key, False) != LetterBehavior.UNLOCKED
+                    and key_name not in reqs.letters):
                 reqs.letters[key_name] = 1
 
             keyholder = self.world.static_logic.objects.keyholders[keyholder_uses.keyholder]
@@ -296,3 +316,40 @@ class Lingo2PlayerLogic:
             return reqs
         else:
             return self.get_door_reqs(door_id)
+
+    def get_letter_behavior(self, letter: str, level2: bool) -> LetterBehavior:
+        if self.world.options.shuffle_letters == ShuffleLetters.option_unlocked:
+            return LetterBehavior.UNLOCKED
+
+        if self.world.options.shuffle_letters in [ShuffleLetters.option_vanilla_cyan, ShuffleLetters.option_item_cyan]:
+            if level2:
+                if self.world.options.shuffle_letters == ShuffleLetters.option_vanilla_cyan:
+                    return LetterBehavior.VANILLA
+                else:
+                    return LetterBehavior.ITEM
+            else:
+                return LetterBehavior.UNLOCKED
+
+        if not level2 and letter in ["h", "i", "n", "t"]:
+            return LetterBehavior.UNLOCKED
+
+        if self.world.options.shuffle_letters == ShuffleLetters.option_progressive:
+            return LetterBehavior.ITEM
+
+        return LetterBehavior.VANILLA
+
+    def add_solution_reqs(self, reqs: AccessRequirements, solution: str):
+        histogram = calculate_letter_histogram(solution)
+
+        for l, a in histogram.items():
+            needed = min(a, 2)
+            level2 = (needed == 2)
+
+            if level2 and self.get_letter_behavior(l.lower(), True) == LetterBehavior.UNLOCKED:
+                needed = 1
+
+            if self.get_letter_behavior(l.lower(), False) == LetterBehavior.UNLOCKED:
+                needed = needed - 1
+
+            if needed > 0:
+                reqs.letters[l] = max(reqs.letters.get(l, 0), needed)
@@ -24,6 +24,11 @@ def lingo2_can_satisfy_requirements(state: CollectionState, reqs: AccessRequirem
         if not state.has(letter_key, world.player, letter_level):
             return False
 
+    if reqs.cyans:
+        if not any(state.has(letter, world.player, amount)
+                   for letter, amount in world.player_logic.double_letter_amount.items()):
+            return False
+
     if len(reqs.or_logic) > 0:
         if not all(any(lingo2_can_satisfy_requirements(state, sub_reqs, world) for sub_reqs in subjunction)
                    for subjunction in reqs.or_logic):
@@ -31,7 +31,7 @@ class Lingo2StaticLogic:
             self.location_id_to_name[letter.ap_id] = location_name
 
             if not letter.level2:
-                self.item_id_to_name[letter.ap_id] = letter_name
+                self.item_id_to_name[letter.ap_id] = letter.key.upper()
 
         for mastery in self.objects.masteries:
             location_name = f"{self.get_room_object_map_name(mastery)} - Mastery"