temp

python/splendor/base.py

@@ -101,7 +101,7 @@ class PlayerState:
     def pay_for_card(self, card: Card) -> dict[GemColor, int]:
         """Pay tokens for card, move card to tableau, return payment for bank."""
         if not self.can_afford(card):
-            msg = f"{self.name} cannot afford card {card}"
+            msg = f"cannot afford card {card}"
             raise ValueError(msg)
 
         payment: dict[GemColor, int] = dict.fromkeys(GEM_COLORS, 0)
@@ -248,7 +248,6 @@ class BuyCard(Action):
 class BuyCardReserved(Action):
     """Buy a face-up card."""
 
-    tier: int
     index: int
 
 
@@ -472,9 +471,9 @@ def apply_action(game: GameState, strategy: Strategy, action: Action) -> None:
     action_func(game, strategy, action)
 
 
-def legal_actions(
+def get_legal_actions(
     game: GameState,
-    player_index: int | None = None,
+    player: PlayerState | None = None,
 ) -> list[Action]:
     """Enumerate all syntactically legal actions for the given player.
 
@@ -483,9 +482,8 @@ def legal_actions(
     - reserve limits
     - affordability for buys
     """
-    if player_index is None:
-        player_index = game.current_player_index
-    player = game.players[player_index]
+    if player is None:
+        player = game.players[game.current_player_index]
 
     actions: list[Action] = []
 
@@ -504,7 +502,7 @@ def legal_actions(
 
     for idx, card in enumerate(player.reserved):
         if player.can_afford(card):
-            actions.append(BuyCard(tier=0, index=idx, from_reserved=True))
+            actions.append(BuyCardReserved(index=idx))
 
     if len(player.reserved) < game.config.reserve_limit:
         for tier, row in game.table_by_tier.items():

python/splendor/bot.py

@@ -8,6 +8,7 @@ from .base import (
     BASE_COLORS,
     Action,
     BuyCard,
+    BuyCardReserved,
     Card,
     GameState,
     GemColor,
@@ -17,6 +18,7 @@ from .base import (
     TakeDifferent,
     TakeDouble,
     auto_discard_tokens,
+    get_legal_actions,
 )
 
 
@@ -35,7 +37,7 @@ def can_bot_afford(player: PlayerState, card: Card) -> bool:
 class RandomBot(Strategy):
     """Dumb bot that follows rules but doesn't think."""
 
-    def __init__(self, name: str = "Bot") -> None:
+    def __init__(self, name: str) -> None:
         super().__init__(name=name)
 
     def choose_action(self, game: GameState, player: PlayerState) -> Action | None:
@@ -71,3 +73,193 @@ class RandomBot(Strategy):
         excess: int,
     ) -> dict[GemColor, int]:
         return auto_discard_tokens(player, excess)
+
+
+class PersonalizedBot(Strategy):
+    """Dumb bot that follows rules but doesn't think."""
+
+    def __init__(self, name: str) -> None:
+        super().__init__(name=name)
+
+    def check_cards_in_tier(self, row: list[Card], player: PlayerState) -> bool:
+        """Check if player can afford card, using discounts + gold."""
+        return [index for index, card in enumerate(row) if can_bot_afford(player, card)]
+
+    def choose_action(self, game: GameState, player: PlayerState) -> Action | None:
+        for tier in (1, 2, 3):
+            row = game.table_by_tier[tier]
+            if affordable := check_cards_in_tier(row, player):
+                index = random.choice(affordable)
+                return BuyCard(tier=tier, index=index)
+
+        colors_for_diff = [c for c in BASE_COLORS if game.bank[c] > 0]
+        random.shuffle(colors_for_diff)
+        return TakeDifferent(colors=colors_for_diff[:3])
+
+    def choose_discard(
+        self,
+        game: GameState,
+        player: PlayerState,
+        excess: int,
+    ) -> dict[GemColor, int]:
+        return auto_discard_tokens(player, excess)
+
+
+def check_cards_in_tier(row: list[Card], player: PlayerState) -> bool:
+    """Check if player can afford card, using discounts + gold."""
+    return [index for index, card in enumerate(row) if can_bot_afford(player, card)]
+
+
+class PersonalizedBot2(Strategy):
+    """Dumb bot that follows rules but doesn't think."""
+
+    def __init__(self, name: str) -> None:
+        super().__init__(name=name)
+
+    def choose_action(self, game: GameState, player: PlayerState) -> Action | None:
+        tiers = (1, 2, 3)
+        for tier in tiers:
+            row = game.table_by_tier[tier]
+            if affordable := check_cards_in_tier(row, player):
+                index = random.choice(affordable)
+                return BuyCard(tier=tier, index=index)
+
+        if affordable := check_cards_in_tier(player.reserved, player):
+            index = random.choice(affordable)
+            return BuyCardReserved(index=index)
+
+        colors_for_diff = [c for c in BASE_COLORS if game.bank[c] > 0]
+        if len(colors_for_diff) >= 3:
+            random.shuffle(colors_for_diff)
+            return TakeDifferent(colors=colors_for_diff[:3])
+
+        for tier in tiers:
+            len_deck = len(game.decks_by_tier[tier])
+            if len_deck:
+                return ReserveCard(tier=tier, index=None, from_deck=True)
+
+        return TakeDifferent(colors=colors_for_diff[:3])
+
+    def choose_discard(
+        self,
+        game: GameState,
+        player: PlayerState,
+        excess: int,
+    ) -> dict[GemColor, int]:
+        return auto_discard_tokens(player, excess)
+
+
+def buy_card_reserved(player: PlayerState) -> Action | None:
+    if affordable := check_cards_in_tier(player.reserved, player):
+        index = random.choice(affordable)
+        return BuyCardReserved(index=index)
+    return None
+
+
+def buy_card(game: GameState, player: PlayerState) -> Action | None:
+    for tier in (1, 2, 3):
+        row = game.table_by_tier[tier]
+        if affordable := check_cards_in_tier(row, player):
+            index = random.choice(affordable)
+            return BuyCard(tier=tier, index=index)
+    return None
+
+
+def take_toekns(game: GameState) -> Action | None:
+    colors_for_diff = [color for color in BASE_COLORS if game.bank[color] > 0]
+    if len(colors_for_diff) >= 3:
+        random.shuffle(colors_for_diff)
+        return TakeDifferent(colors=colors_for_diff[: game.config.max_token_take])
+    return None
+
+
+class PersonalizedBot3(Strategy):
+    """Dumb bot that follows rules but doesn't think."""
+
+    def __init__(self, name: str) -> None:
+        super().__init__(name=name)
+
+    def choose_action(self, game: GameState, player: PlayerState) -> Action | None:
+        print(len(get_legal_actions(game, player)))
+        print(get_legal_actions(game, player))
+        if action := buy_card_reserved(player):
+            return action
+        if action := buy_card(game, player):
+            return action
+
+        colors_for_diff = [color for color in BASE_COLORS if game.bank[color] > 0]
+        if len(colors_for_diff) >= 3:
+            random.shuffle(colors_for_diff)
+            return TakeDifferent(colors=colors_for_diff[:3])
+
+        for tier in (1, 2, 3):
+            len_deck = len(game.decks_by_tier[tier])
+            if len_deck:
+                return ReserveCard(tier=tier, index=None, from_deck=True)
+
+        return TakeDifferent(colors=colors_for_diff[:3])
+
+    def choose_discard(
+        self,
+        game: GameState,
+        player: PlayerState,
+        excess: int,
+    ) -> dict[GemColor, int]:
+        return auto_discard_tokens(player, excess)
+
+
+def estimate_value_of_card(game: GameState, player: PlayerState, color: GemColor) -> int:
+    """Estimate value of a color in the player's bank."""
+    return game.bank[color] - player.discounts.get(color, 0)
+
+
+def estimate_value_of_token(game: GameState, player: PlayerState, color: GemColor) -> int:
+    """Estimate value of a color in the player's bank."""
+    return game.bank[color] - player.discounts.get(color, 0)
+
+
+class PersonalizedBot4(Strategy):
+    def __init__(self, name: str) -> None:
+        super().__init__(name=name)
+
+    def filter_actions(self, actions: list[Action]) -> list[Action]:
+        return [
+            action
+            for action in actions
+            if isinstance(action, TakeDifferent) and len(action.colors) == 3 or not isinstance(action, TakeDifferent)
+        ]
+
+    def choose_action(self, game: GameState, player: PlayerState) -> Action | None:
+        legal_actions = get_legal_actions(game, player)
+        print(len(legal_actions))
+
+        good_actions = [action for action in self.filter_actions(legal_actions)]
+        print(len(good_actions))
+
+        print(good_actions)
+
+        print(len(get_legal_actions(game, player)))
+        if action := buy_card_reserved(player):
+            return action
+        if action := buy_card(game, player):
+            return action
+
+        colors_for_diff = [color for color in BASE_COLORS if game.bank[color] > 0]
+        if len(colors_for_diff) >= 3:
+            random.shuffle(colors_for_diff)
+            return TakeDifferent(colors=colors_for_diff[:3])
+
+        for tier in (1, 2, 3):
+            len_deck = len(game.decks_by_tier[tier])
+            if len_deck:
+                return ReserveCard(tier=tier, index=None, from_deck=True)
+
+        return TakeDifferent(colors=colors_for_diff[:3])
+
+    def choose_discard(
+        self,
+        game: GameState,
+        player: PlayerState,
+        excess: int,
+    ) -> dict[GemColor, int]:
+        return auto_discard_tokens(player, excess)

python/splendor/simulat.py

@@ -4,17 +4,18 @@ from __future__ import annotations
 
 from collections import defaultdict
 from pathlib import Path
+from statistics import mean
 
 from .base import GameConfig, load_cards, load_nobles, new_game, run_game
-from .bot import RandomBot
+from .bot import PersonalizedBot, PersonalizedBot4, PersonalizedBot3, RandomBot
 
 
 def main() -> None:
     """Main entry point."""
     turn_limit = 1000
     good_games = 0
-    games = 10000
-    winners: dict[str, int] = defaultdict(int)
+    games = 1
+    winners: dict[str, list] = defaultdict(list)
     game_data = Path(__file__).parent / "game_data"
 
     cards = load_cards(game_data / "cards/default.json")
@@ -24,7 +25,7 @@ def main() -> None:
         bot_a = RandomBot("bot_a")
         bot_b = RandomBot("bot_b")
         bot_c = RandomBot("bot_c")
-        bot_d = RandomBot("bot_d")
+        bot_d = PersonalizedBot4("my_bot")
         config = GameConfig(
             cards=cards,
             nobles=nobles,
@@ -35,11 +36,13 @@ def main() -> None:
         winner, turns = run_game(game_state)
         if turns < turn_limit:
             good_games += 1
-            winners[winner.strategy.name] += 1
+            winners[winner.strategy.name].append(turns)
 
-    print(f"out of {games} {turn_limit} turn games with 4 random bots there where {good_games} games where a bot won")
-    for k, v in winners.items():
-        print(f"{k} won {v}")
+    print(
+        f"out of {games} {turn_limit} turn games with {len(players)} random bots there where {good_games} games where a bot won"
+    )
+    for name, turns in winners.items():
+        print(f"{name} won {len(turns)} games in {mean(turns):.2f} turns")
 
 
 if __name__ == "__main__":