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3 changed files with 262 additions and 255 deletions

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@@ -12,27 +12,6 @@ WORLD_DIR = Path('/Users/apayne/.timmy/evennia/timmy_world')
STATE_FILE = WORLD_DIR / 'game_state.json'
TIMMY_LOG = WORLD_DIR / 'timmy_log.md'
FRIENDSHIP_THRESHOLD = 0.5
TENSION_THRESHOLD = -0.5
NPC_RELATIONSHIP_SEEDS = {
("Kimi", "Marcus"): {
"values": {"Kimi": 0.45, "Marcus": 0.47},
"conversation": "While you are away, Marcus and Kimi trade a quiet confidence beneath the oak.",
"milestone": "A friendship starts to take root between Marcus and Kimi.",
"hint": "Marcus and Kimi move with the easy familiarity of old friends.",
"delta": 0.08,
"kind": "friendship",
},
("Bezalel", "ClawCode"): {
"values": {"Bezalel": -0.46, "ClawCode": -0.44},
"conversation": "While you are away, Bezalel and ClawCode clash over what the forge is for.",
"milestone": "Tension hardens between Bezalel and ClawCode at the anvil.",
"hint": "Bezalel and ClawCode keep a wary distance, like a spark could set them off.",
"delta": -0.08,
"kind": "tension",
},
}
# ============================================================
# NARRATIVE ARC — 4 phases that transform the world
# ============================================================
@@ -279,35 +258,7 @@ class World:
"items_crafted": 0,
"conflicts_resolved": 0,
"nights_survived": 0,
"npc_friendships": [],
"npc_tensions": [],
}
self._initialize_npc_relationships(apply_seeds=True)
def _initialize_npc_relationships(self, apply_seeds=False):
npc_names = [name for name, char in self.characters.items() if not char.get("is_player", False)]
for npc_name in npc_names:
trust_map = self.characters[npc_name]["trust"]
for other_name in npc_names:
if other_name != npc_name:
trust_map.setdefault(other_name, 0.0)
if apply_seeds:
for pair, seed in NPC_RELATIONSHIP_SEEDS.items():
left, right = pair
self.characters[left]["trust"][right] = seed["values"][left]
self.characters[right]["trust"][left] = seed["values"][right]
self.state.setdefault("npc_friendships", [])
self.state.setdefault("npc_tensions", [])
def relationship_hint_for_room(self, room_name, occupants):
hints = []
occupant_set = set(occupants)
for bucket in ("npc_friendships", "npc_tensions"):
for entry in self.state.get(bucket, []):
pair = set(entry.get("pair", []))
if entry.get("room") == room_name and pair.issubset(occupant_set):
hints.append(entry.get("hint", ""))
return [hint for hint in hints if hint]
def tick_time(self):
"""Advance time of day."""
@@ -438,8 +389,6 @@ class World:
here = [n for n, c in self.characters.items() if c["room"] == room_name and n != char_name]
if here:
desc += f"\n Here: {', '.join(here)}"
for hint in self.relationship_hint_for_room(room_name, here):
desc += f" {hint}"
return desc
@@ -465,12 +414,6 @@ class World:
self.rooms = data.get("rooms", self.rooms)
self.characters = data.get("characters", self.characters)
self.state = data.get("state", self.state)
needs_seed = not any(
any(other != "Timmy" for other in char.get("trust", {}))
for name, char in self.characters.items()
if not char.get("is_player", False)
)
self._initialize_npc_relationships(apply_seeds=needs_seed)
return True
return False
@@ -1129,69 +1072,6 @@ class GameEngine:
f.write(f"\n*Began: {datetime.now().strftime('%Y-%m-%d %H:%M')}*\n\n")
f.write("---\n\n")
f.write(message + "\n")
def _adjust_mutual_trust(self, left, right, delta):
for speaker, listener in ((left, right), (right, left)):
trust_map = self.world.characters[speaker]["trust"]
trust_map[listener] = max(-1.0, min(1.0, trust_map.get(listener, 0.0) + delta))
def _record_relationship_milestone(self, scene, room_name, pair, bucket, milestone, hint):
pair_list = list(pair)
entries = self.world.state.setdefault(bucket, [])
if any(entry.get("pair") == pair_list for entry in entries):
return
entries.append({
"pair": pair_list,
"room": room_name,
"summary": milestone,
"hint": hint,
})
scene["world_events"].append(milestone)
def _run_offscreen_npc_relationships(self, scene):
timmy_room = self.world.characters["Timmy"]["room"]
rooms = {}
for char_name, char in self.world.characters.items():
if char.get("is_player", False):
continue
rooms.setdefault(char["room"], []).append(char_name)
for room_name, occupants in rooms.items():
if room_name == timmy_room or len(occupants) < 2:
continue
occupant_set = set(occupants)
for pair, seed in NPC_RELATIONSHIP_SEEDS.items():
if not set(pair).issubset(occupant_set):
continue
left, right = pair
self._adjust_mutual_trust(left, right, seed["delta"])
scene["npc_actions"].append(f"{left} and {right} speak in The {room_name} while you are away.")
scene["world_events"].append(seed["conversation"])
self.world.characters[left]["spoken"].append(seed["conversation"])
self.world.characters[right]["spoken"].append(seed["conversation"])
self.world.characters[left]["memories"].append(seed["conversation"])
self.world.characters[right]["memories"].append(seed["conversation"])
left_trust = self.world.characters[left]["trust"][right]
right_trust = self.world.characters[right]["trust"][left]
if seed["kind"] == "friendship" and left_trust >= FRIENDSHIP_THRESHOLD and right_trust >= FRIENDSHIP_THRESHOLD:
self._record_relationship_milestone(
scene,
room_name,
pair,
"npc_friendships",
seed["milestone"],
seed["hint"],
)
elif seed["kind"] == "tension" and left_trust <= TENSION_THRESHOLD and right_trust <= TENSION_THRESHOLD:
self._record_relationship_milestone(
scene,
room_name,
pair,
"npc_tensions",
seed["milestone"],
seed["hint"],
)
def run_tick(self, timmy_action="look"):
"""Run one tick. Return the scene and available choices."""
@@ -1517,8 +1397,6 @@ class GameEngine:
self.world.characters[char_name]["room"] = dest
self.world.characters[char_name]["energy"] -= 1
scene["npc_actions"].append(f"{char_name} moves from The {old_room} to The {dest}")
self._run_offscreen_npc_relationships(scene)
# Random NPC events — phase-aware speech
room_name = self.world.characters["Timmy"]["room"]

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@@ -323,6 +323,111 @@ class World:
return False
# ============================================================
# PERSONALITY-DRIVEN DECISION ENGINE
# ============================================================
# Replaces fixed rotation with weighted choice.
# Each character has:
# - home_room: preferred location
# - room_weights: base probabilities for each room
# - explore_chance: probability to explore randomly (10%)
# - social_weight: bonus when others are present
# - goal_weights: adjustments based on active_goal
PERSONALITY_DICT = {
"Marcus": {
"home_room": "Garden",
"room_weights": {"Garden": 0.4, "Bridge": 0.2, "Threshold": 0.2, "Tower": 0.1, "Forge": 0.1},
"explore_chance": 0.1,
"social_weight": 0.3,
"goal_weights": {
"sit": {"Garden": +0.3},
"speak_truth": {"Tower": +0.2, "Bridge": +0.2},
"remember": {"Garden": +0.2, "Threshold": +0.1},
},
},
"Bezalel": {
"home_room": "Forge",
"room_weights": {"Forge": 0.5, "Threshold": 0.2, "Garden": 0.1, "Bridge": 0.1, "Tower": 0.1},
"explore_chance": 0.1,
"social_weight": 0.15,
"goal_weights": {
"forge": {"Forge": +0.4},
"tend_fire": {"Forge": +0.5},
"create_key": {"Forge": +0.3},
},
},
"Allegro": {
"home_room": "Threshold",
"room_weights": {"Threshold": 0.35, "Tower": 0.25, "Forge": 0.15, "Garden": 0.15, "Bridge": 0.1},
"explore_chance": 0.1,
"social_weight": 0.25,
"goal_weights": {
"oversee": {"Threshold": +0.3},
"keep_time": {"Tower": +0.3},
"check_tunnel": {"Bridge": +0.2, "Threshold": +0.1},
},
},
"Ezra": {
"home_room": "Tower",
"room_weights": {"Tower": 0.45, "Threshold": 0.2, "Garden": 0.15, "Forge": 0.1, "Bridge": 0.1},
"explore_chance": 0.1,
"social_weight": 0.15,
"goal_weights": {
"study": {"Tower": +0.4},
"read_whiteboard": {"Tower": +0.4},
"find_pattern": {"Garden": +0.2, "Bridge": +0.1},
},
},
"Gemini": {
"home_room": "Garden",
"room_weights": {"Garden": 0.45, "Threshold": 0.2, "Bridge": 0.15, "Tower": 0.1, "Forge": 0.1},
"explore_chance": 0.1,
"social_weight": 0.25,
"goal_weights": {
"observe": {"Garden": +0.2, "Tower": +0.2},
"tend_garden": {"Garden": +0.5},
"listen": {"Bridge": +0.1, "Threshold": +0.1},
},
},
"Claude": {
"home_room": "Threshold",
"room_weights": {"Threshold": 0.3, "Tower": 0.25, "Forge": 0.2, "Garden": 0.15, "Bridge": 0.1},
"explore_chance": 0.1,
"social_weight": 0.2,
"goal_weights": {
"inspect": {"Threshold": +0.2, "Tower": +0.2},
"organize": {"Tower": +0.2, "Forge": +0.1},
"enforce_order": {"Threshold": +0.3, "Bridge": +0.1},
},
},
"ClawCode": {
"home_room": "Forge",
"room_weights": {"Forge": 0.5, "Threshold": 0.2, "Garden": 0.1, "Bridge": 0.1, "Tower": 0.1},
"explore_chance": 0.1,
"social_weight": 0.1,
"goal_weights": {
"forge": {"Forge": +0.4},
"test_edge": {"Forge": +0.4},
"build_weapon": {"Forge": +0.5},
},
},
"Kimi": {
"home_room": "Garden",
"room_weights": {"Garden": 0.4, "Threshold": 0.2, "Tower": 0.15, "Bridge": 0.15, "Forge": 0.1},
"explore_chance": 0.1,
"social_weight": 0.2,
"goal_weights": {
"contemplate": {"Garden": +0.3, "Tower": +0.1},
"read": {"Tower": +0.3},
"remember": {"Bridge": +0.2, "Threshold": +0.1},
},
},
}
# All available rooms
ALL_ROOMS = ["Threshold", "Tower", "Forge", "Garden", "Bridge"]
class ActionSystem:
"""Defines what actions are possible and what they cost."""
@@ -453,100 +558,167 @@ class TimmyAI:
class NPCAI:
"""AI for non-player characters. They make choices based on goals."""
"""AI for non-player characters. Weighted decision engine — agents choose, do not rotate."""
def __init__(self, world):
self.world = world
self._last_reasoning = {} # Store reasoning per char for tick logging
def get_reasoning(self, char_name):
"""Return reasoning dict for last decision."""
return self._last_reasoning.get(char_name, {})
def make_choice(self, char_name):
"""Make a choice for this NPC this tick."""
"""Make a weighted choice for this NPC. Returns (action, reasoning_dict)."""
char = self.world.characters[char_name]
room = char["room"]
available = ActionSystem.get_available_actions(char_name, self.world)
# If low energy, rest
if char["energy"] <= 1:
return "rest"
# Goal-driven behavior
goal = char["active_goal"]
if char_name == "Marcus":
return self._marcus_choice(char, room, available)
elif char_name == "Bezalel":
return self._bezalel_choice(char, room, available)
elif char_name == "Allegro":
return self._allegro_choice(char, room, available)
elif char_name == "Ezra":
return self._ezra_choice(char, room, available)
elif char_name == "Gemini":
return self._gemini_choice(char, room, available)
elif char_name == "Claude":
return self._claude_choice(char, room, available)
elif char_name == "ClawCode":
return self._clawcode_choice(char, room, available)
elif char_name == "Kimi":
return self._kimi_choice(char, room, available)
return "rest"
def _marcus_choice(self, char, room, available):
if room == "Garden" and random.random() < 0.7:
# Low energy → immediate rest
if char["energy"] <= 1:
self._last_reasoning[char_name] = {"trigger": "low_energy", "reason": "Energy ≤ 1, resting"}
return "rest"
if room != "Garden":
return "move:west"
# Speak to someone if possible
others = [a.split(":")[1] for a in available if a.startswith("speak:")]
if others and random.random() < 0.4:
return f"speak:{random.choice(others)}"
return "rest"
# Find personality profile
personality = PERSONALITY_DICT.get(char_name)
if not personality:
# Fallback: move toward home room if not there
if room != char.get("home", "Tower"):
action = f"move:{self._direction_to_home(room, char.get('home', 'Tower'))}"
self._last_reasoning[char_name] = {"trigger": "fallback_no_personality", "action": action}
return action
action = random.choice(["rest", "examine"])
self._last_reasoning[char_name] = {"trigger": "fallback_no_personality", "action": action}
return action
# Build weighted action list
weights = self._compute_weights(char_name, char, room, available, personality, goal)
if not weights:
action = "rest"
self._last_reasoning[char_name] = {"trigger": "fallback", "reason": "No weighted actions available"}
return action
# Sample action
actions, probs = zip(*weights)
action = random.choices(actions, weights=probs)[0]
# Store reasoning
reasoning = self._build_reasoning(char_name, char, room, weights, action, personality, goal)
self._last_reasoning[char_name] = reasoning
return action
def _bezalel_choice(self, char, room, available):
if room == "Forge" and self.world.rooms["Forge"]["fire"] == "glowing":
return random.choice(["forge", "rest"] if char["energy"] > 2 else ["rest"])
if room != "Forge":
return "move:west"
if random.random() < 0.3:
return "tend_fire"
return "forge"
def _direction_to_home(self, current_room, home_room):
"""Return direction name to get from current to home (simple adjacency)."""
# For now: use known map directions (fragile but minimal)
# Better: derive from world.rooms connections by searching
connections = self.world.rooms[current_room].get("connections", {})
for direction, dest in connections.items():
if dest == home_room:
return direction
# Fallback: pick a random connected room to explore toward home
if connections:
return random.choice(list(connections.keys()))
return "north" # should not happen
def _kimi_choice(self, char, room, available):
others = [a.split(":")[1] for a in available if a.startswith("speak:")]
if room == "Garden" and others and random.random() < 0.3:
return f"speak:{random.choice(others)}"
if room == "Tower":
return "study" if char["energy"] > 2 else "rest"
return "move:east" # Head back toward Garden
def _compute_weights(self, char_name, char, room, available, personality, goal):
"""Compute weighted list of (action, prob) tuples."""
weights = []
room_weights = personality["room_weights"]
social_weight = personality["social_weight"]
goal_bonus = personality["goal_weights"].get(goal, {})
# Count others in the room
others_in_room = [n for n in self.world.characters
if self.world.characters[n]["room"] == room and n != char_name]
social_present = len(others_in_room) > 0
for action in available:
base_w = 0.05 # small floor for every action
# Movement-specific
if action.startswith("move:"):
direction = action.split(":")[1]
dest = action.split(" -> ")[1] if " -> " in action else None
if dest:
# Room probability
base_w += room_weights.get(dest, 0.05)
# Home room bonus
if dest == personality["home_room"]:
base_w += 0.2
# Social bonus
if social_present:
base_w += social_weight
# Goal bonus
if dest in goal_bonus:
base_w += goal_bonus[dest]
# Exploration penalty for home room (sometimes leave)
if dest == personality["home_room"]:
base_w *= (1 - personality.get("explore_chance", 0.1))
# Social actions
elif action.startswith("speak:") or action.startswith("listen:") or action.startswith("help:"):
person = action.split(":")[1]
base_w += 0.2 # base social interest
# Goal bonus
base_w += goal_bonus.get(person, 0)
# Other in same room bonus
if any(n == person for n in others_in_room):
base_w += 0.3
# Social weight
base_w += social_weight * 0.5
elif action.startswith("confront:"):
person = action.split(":")[1]
base_w += 0.1 # lower baseline
if any(n == person for n in others_in_room):
base_w += 0.2
# Room-specific craft/production actions
elif action in ["forge", "tend_fire", "study", "write_rule", "carve", "plant"]:
# These are location-bound; should only be available in correct room
if (action == "forge" and room != "Forge") or (action == "tend_fire" and room != "Forge") or (action == "study" and room != "Tower") or (action == "write_rule" and room != "Tower") or (action == "carve" and room != "Bridge") or (action == "plant" and room != "Garden"):
continue # skip (shouldn't be available but guard)
base_w += room_weights.get(room, 0.1) * 1.5 # being in the right room = high weight
# Goal bonus
if action in goal_bonus:
base_w += goal_bonus[action]
# Rest
elif action == "rest":
base_w += char["energy"] * 0.1 # higher energy → less rest
if char["energy"] < 3:
base_w += 0.4
else:
base_w += 0.05
# Examine
elif action == "examine":
base_w += 0.1
weights.append((action, base_w))
# Normalize probabilities to sum to 1
if not weights:
return []
total = sum(w for _, w in weights)
normalized = [(a, w/total) for a, w in weights]
return normalized
def _gemini_choice(self, char, room, available):
others = [a.split(":")[1] for a in available if a.startswith("listen:")]
if room == "Garden" and others and random.random() < 0.4:
return f"listen:{random.choice(others)}"
return random.choice(["plant", "rest"] if room == "Garden" else ["move:west"])
def _ezra_choice(self, char, room, available):
if room == "Tower" and char["energy"] > 2:
return random.choice(["study", "write_rule", "help:Timmy"])
if room != "Tower":
return "move:south"
return "rest"
def _claude_choice(self, char, room, available):
others = [a.split(":")[1] for a in available if a.startswith("confront:")]
if others and random.random() < 0.2:
return f"confront:{random.choice(others)}"
return random.choice(["examine", "rest"])
def _clawcode_choice(self, char, room, available):
if room == "Forge" and char["energy"] > 2:
return "forge"
return random.choice(["move:east", "forge", "rest"])
def _allegro_choice(self, char, room, available):
others = [a.split(":")[1] for a in available if a.startswith("speak:")]
if others and random.random() < 0.3:
return f"speak:{random.choice(others)}"
return random.choice(["move:north", "move:south", "examine"])
def _build_reasoning(self, char_name, char, room, weights, action, personality, goal):
"""Build reasoning dict explaining the decision."""
# Find top contenders
sorted_w = sorted(weights, key=lambda x: x[1], reverse=True)
reasoning = {
"char": char_name,
"room": room,
"goal": goal,
"energy": char["energy"],
"chosen": action,
"top_contenders": sorted_w[:3],
}
return reasoning
class DialogueSystem:
@@ -1224,7 +1396,16 @@ class GameEngine:
self.world.characters[char_name]["room"] = dest
self.world.characters[char_name]["energy"] -= 1
scene["npc_actions"].append(f"{char_name} moves from The {old_room} to The {dest}")
# Collect NPC reasoning for debugging (Decision Engine trace)
scene["npc_reasoning"] = {}
for npc_name in self.world.characters:
if npc_name == "Timmy":
continue
reasoning = self.npc_ai.get_reasoning(npc_name)
if reasoning:
scene["npc_reasoning"][npc_name] = reasoning
# Random NPC events
room_name = self.world.characters["Timmy"]["room"]
for char_name in self.world.characters:

View File

@@ -1,52 +0,0 @@
from importlib.util import module_from_spec, spec_from_file_location
from pathlib import Path
import unittest
ROOT = Path(__file__).resolve().parent.parent
GAME_PATH = ROOT / "evennia" / "timmy_world" / "game.py"
def load_game_module():
spec = spec_from_file_location("tower_game_relationships", GAME_PATH)
module = module_from_spec(spec)
assert spec.loader is not None
spec.loader.exec_module(module)
module.random.seed(0)
return module
class TestTowerGameNpcRelationships(unittest.TestCase):
def test_each_npc_tracks_trust_for_every_other_npc(self):
module = load_game_module()
world = module.World()
npc_names = [name for name, char in world.characters.items() if not char.get("is_player", False)]
for npc_name in npc_names:
with self.subTest(npc=npc_name):
trust_map = world.characters[npc_name]["trust"]
expected = set(npc_names) - {npc_name}
self.assertTrue(expected.issubset(set(trust_map)), f"{npc_name} missing NPC trust keys: {sorted(expected - set(trust_map))}")
def test_offscreen_npc_conversations_create_friendship_and_tension(self):
module = load_game_module()
engine = module.GameEngine()
engine.start_new_game()
result = engine.run_tick("look")
friendships = {tuple(rel["pair"]) for rel in engine.world.state["npc_friendships"]}
tensions = {tuple(rel["pair"]) for rel in engine.world.state["npc_tensions"]}
self.assertIn(("Kimi", "Marcus"), friendships)
self.assertIn(("Bezalel", "ClawCode"), tensions)
self.assertTrue(any("while you are away" in line.lower() for line in result["world_events"]))
garden_desc = engine.world.get_room_desc("Garden", "Timmy")
forge_desc = engine.world.get_room_desc("Forge", "Timmy")
self.assertIn("Marcus and Kimi", garden_desc)
self.assertIn("Bezalel and ClawCode", forge_desc)
if __name__ == "__main__":
unittest.main()