feat: add tower world-changing items for #514

evennia/timmy_world/game.py

@@ -12,6 +12,29 @@ WORLD_DIR = Path('/Users/apayne/.timmy/evennia/timmy_world')
 STATE_FILE = WORLD_DIR / 'game_state.json'
 TIMMY_LOG = WORLD_DIR / 'timmy_log.md'
 
+WORLD_ITEMS = {
+    "foraged key": {"effect": "unlock_tower_cache", "quest_item": True, "consumable": False, "effect_text": "A hidden cache clicks open in the Tower wall."},
+    "seed packet": {"effect": "grow_garden", "quest_item": False, "consumable": True, "effect_text": "Fresh growth pushes through the Garden soil."},
+    "notebook": {"effect": "write_notebook_rule", "quest_item": False, "consumable": False, "effect_text": "A new rule joins the whiteboard in the Tower."},
+    "cloth": {"effect": "patch_bridge", "quest_item": False, "consumable": True, "effect_text": "The Bridge railing is wrapped tight against the weather."},
+    "oil can": {"effect": "stoke_forge", "quest_item": False, "consumable": True, "effect_text": "The Forge fire answers with a hotter glow."},
+    "lantern": {"effect": "light_bridge", "quest_item": False, "consumable": False, "effect_text": "A steady lantern glow cuts through the dark over the Bridge."},
+    "rope spool": {"effect": "secure_bridge", "quest_item": False, "consumable": True, "effect_text": "The Bridge is lashed tight and feels safer underfoot."},
+    "chalk": {"effect": "mark_threshold", "quest_item": False, "consumable": True, "effect_text": "A chalk mark at the Threshold points wanderers home."},
+    "weather vane": {"effect": "read_weather", "quest_item": False, "consumable": False, "effect_text": "The weather vane settles and the coming storm makes sense."},
+    "sunstone": {"effect": "restore_tower_power", "quest_item": False, "consumable": False, "effect_text": "Warm light races through the Tower circuits."},
+    "iron nails": {"effect": "reinforce_bridge", "quest_item": False, "consumable": True, "effect_text": "The Bridge planks are pinned down against the flood."},
+    "river stone": {"effect": "water_garden", "quest_item": False, "consumable": True, "effect_text": "Moisture returns to the Garden beds."},
+}
+
+ROOM_DISCOVERABLES = {
+    "Threshold": ["chalk", "sunstone"],
+    "Tower": ["notebook", "lantern"],
+    "Forge": ["oil can", "iron nails"],
+    "Garden": ["seed packet", "foraged key"],
+    "Bridge": ["cloth", "rope spool", "weather vane", "river stone"],
+}
+
 # ============================================================
 # NARRATIVE ARC — 4 phases that transform the world
 # ============================================================
@@ -143,6 +166,8 @@ class World:
                 "visitors": [],
             },
         }
+        for room_name, items in ROOM_DISCOVERABLES.items():
+            self.rooms[room_name]["discoverables"] = list(items)
         
         # Characters (not NPCs — they have lives)
         self.characters = {
@@ -258,6 +283,14 @@ class World:
             "items_crafted": 0,
             "conflicts_resolved": 0,
             "nights_survived": 0,
+            "bridge_patched": False,
+            "bridge_secured": False,
+            "bridge_reinforced": False,
+            "bridge_lantern_lit": False,
+            "tower_cache_unlocked": False,
+            "threshold_marked": False,
+            "weather_readable": False,
+            "sunstone_socketed": False,
         }
     
     def tick_time(self):
@@ -376,6 +409,14 @@ class World:
                 desc += " Rain mists on the dark water below."
             if len(self.rooms["Bridge"]["carvings"]) > 1:
                 desc += f" There are {len(self.rooms['Bridge']['carvings'])} carvings now."
+            if self.state.get("bridge_patched"):
+                desc += " Cloth bindings keep the railing from splintering."
+            if self.state.get("bridge_secured"):
+                desc += " Rope lines keep the span steady against the flood."
+            if self.state.get("bridge_reinforced"):
+                desc += " Fresh iron nails hold the planks tight."
+            if self.state.get("bridge_lantern_lit"):
+                desc += " A lantern glows warm over the water."
         
         elif room_name == "Tower":
             power = self.state.get("tower_power_low", False)
@@ -384,6 +425,19 @@ class World:
             
             if self.rooms["Tower"]["messages"]:
                 desc += f" The whiteboard holds {len(self.rooms['Tower']['messages'])} rules."
+            if self.state.get("tower_cache_unlocked"):
+                desc += " A hidden cache stands open beneath the whiteboard."
+
+        if room_name == "Threshold" and self.state.get("threshold_marked"):
+            desc += " A chalk arrow points late arrivals toward shelter."
+        if room_name == "Garden" and self.state.get("weather_readable"):
+            desc += " The beds are arranged to catch whatever weather comes next."
+        if room_name == "Tower" and self.state.get("sunstone_socketed"):
+            desc += " A sunstone keeps the room lit with a stubborn amber glow."
+
+        discoverables = room.get("discoverables", [])
+        if discoverables:
+            desc += f" Discoverable items: {', '.join(discoverables)}."
         
         # Who's here
         here = [n for n, c in self.characters.items() if c["room"] == room_name and n != char_name]
@@ -485,6 +539,10 @@ class ActionSystem:
             "cost": 1,
             "description": "Take an item from the room",
         },
+        "use": {
+            "cost": 1,
+            "description": "Use an item from your inventory to change the world",
+        },
         "examine": {
             "cost": 0,
             "description": "Examine something in detail",
@@ -530,6 +588,13 @@ class ActionSystem:
         available.append("rest")
         available.append("examine")
         
+        discoverables = world.rooms[room].get("discoverables", [])
+        for item in discoverables:
+            available.append(f"take:{item}")
+
+        for item in char["inventory"]:
+            available.append(f"use:{item}")
+
         if char["inventory"]:
             available.append("give:item")
         
@@ -1072,6 +1137,76 @@ 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 _take_item(self, item_name, scene):
+        room_name = self.world.characters["Timmy"]["room"]
+        discoverables = self.world.rooms[room_name].get("discoverables", [])
+        if item_name not in discoverables:
+            scene["log"].append(f"There is no {item_name} here.")
+            return
+        discoverables.remove(item_name)
+        self.world.characters["Timmy"]["inventory"].append(item_name)
+        scene["log"].append(f"You take the {item_name}.")
+        if WORLD_ITEMS.get(item_name, {}).get("quest_item"):
+            scene["world_events"].append(f"The {item_name} feels important. It might open a quest route.")
+
+    def _use_item(self, item_name, scene):
+        inventory = self.world.characters["Timmy"]["inventory"]
+        if item_name not in inventory:
+            scene["log"].append(f"You are not carrying {item_name}.")
+            return
+        item = WORLD_ITEMS.get(item_name)
+        if not item:
+            scene["log"].append(f"The {item_name} doesn't seem to do anything.")
+            return
+
+        effect = item["effect"]
+        effect_text = item["effect_text"]
+        if effect == "grow_garden":
+            self.world.rooms["Garden"]["growth"] = min(5, self.world.rooms["Garden"]["growth"] + 2)
+            self.world.state["garden_drought"] = False
+        elif effect == "unlock_tower_cache":
+            self.world.state["tower_cache_unlocked"] = True
+            cache_rule = "Rule: Keys open more than doors when the world trusts you."
+            if cache_rule not in self.world.rooms["Tower"]["messages"]:
+                self.world.rooms["Tower"]["messages"].append(cache_rule)
+        elif effect == "write_notebook_rule":
+            note_rule = f"Rule #{self.world.tick}: A notebook can turn memory into structure."
+            self.world.rooms["Tower"]["messages"].append(note_rule)
+        elif effect == "patch_bridge":
+            self.world.state["bridge_patched"] = True
+            self.world.state["bridge_flooding"] = False
+            self.world.rooms["Bridge"]["weather"] = None
+            self.world.rooms["Bridge"]["rain_ticks"] = 0
+        elif effect == "stoke_forge":
+            self.world.rooms["Forge"]["fire"] = "glowing"
+            self.world.state["forge_fire_dying"] = False
+        elif effect == "light_bridge":
+            self.world.state["bridge_lantern_lit"] = True
+        elif effect == "secure_bridge":
+            self.world.state["bridge_secured"] = True
+            self.world.state["bridge_flooding"] = False
+            self.world.rooms["Bridge"]["weather"] = None
+            self.world.rooms["Bridge"]["rain_ticks"] = 0
+        elif effect == "mark_threshold":
+            self.world.state["threshold_marked"] = True
+        elif effect == "read_weather":
+            self.world.state["weather_readable"] = True
+            self.world.state["garden_drought"] = False
+        elif effect == "restore_tower_power":
+            self.world.state["tower_power_low"] = False
+            self.world.state["sunstone_socketed"] = True
+        elif effect == "reinforce_bridge":
+            self.world.state["bridge_reinforced"] = True
+            self.world.state["bridge_flooding"] = False
+        elif effect == "water_garden":
+            self.world.state["garden_drought"] = False
+            self.world.rooms["Garden"]["growth"] = min(5, self.world.rooms["Garden"]["growth"] + 1)
+
+        scene["log"].append(f"You use the {item_name}. {effect_text}")
+        scene["world_events"].append(effect_text)
+        if item.get("consumable"):
+            inventory.remove(item_name)
     
     def run_tick(self, timmy_action="look"):
         """Run one tick. Return the scene and available choices."""
@@ -1100,7 +1235,7 @@ class GameEngine:
         action_costs = {
             "move": 2, "tend_fire": 3, "write_rule": 2, "carve": 2,
             "plant": 2, "study": 2, "forge": 3, "help": 2, "speak": 1,
-            "listen": 0, "rest": -2, "examine": 0, "give": 0, "take": 1,
+            "listen": 0, "rest": -2, "examine": 0, "give": 0, "take": 1, "use": 1,
         }
         
         # Extract action name
@@ -1360,9 +1495,17 @@ class GameEngine:
         elif timmy_action == "examine":
             room = self.world.characters["Timmy"]["room"]
             room_data = self.world.rooms[room]
-            items = room_data.get("items", [])
+            items = room_data.get("items", []) + room_data.get("discoverables", [])
             scene["log"].append(f"You examine The {room}. You see: {', '.join(items) if items else 'nothing special'}")
         
+        elif timmy_action.startswith("take:"):
+            item_name = timmy_action.split(":", 1)[1]
+            self._take_item(item_name, scene)
+
+        elif timmy_action.startswith("use:"):
+            item_name = timmy_action.split(":", 1)[1]
+            self._use_item(item_name, scene)
+        
         elif timmy_action.startswith("help:"):
             # Help increases trust
             target_name = timmy_action.split(":")[1]

tests/test_tower_game_items.py

@@ -0,0 +1,58 @@
+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_items", 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 TestTowerGameWorldItems(unittest.TestCase):
+    def test_world_has_ten_unique_items_and_a_quest_item(self):
+        module = load_game_module()
+        world = module.World()
+
+        room_items = {
+            item
+            for room in world.rooms.values()
+            for item in room.get("discoverables", [])
+        }
+
+        self.assertGreaterEqual(len(room_items), 10)
+        self.assertIn("foraged key", room_items)
+        self.assertTrue(module.WORLD_ITEMS["foraged key"]["quest_item"])
+
+    def test_items_change_world_state_when_used(self):
+        module = load_game_module()
+        engine = module.GameEngine()
+        engine.start_new_game()
+        engine.world.characters["Timmy"]["energy"] = 10
+        engine.world.characters["Timmy"]["room"] = "Garden"
+
+        initial_growth = engine.world.rooms["Garden"]["growth"]
+        engine.run_tick("take:seed packet")
+        use_seed = engine.run_tick("use:seed packet")
+
+        self.assertGreater(engine.world.rooms["Garden"]["growth"], initial_growth)
+        self.assertNotIn("seed packet", engine.world.characters["Timmy"]["inventory"])
+        self.assertTrue(any("garden" in line.lower() for line in use_seed["world_events"] + use_seed["log"]))
+
+        engine.world.characters["Timmy"]["energy"] = 10
+        engine.run_tick("take:foraged key")
+        use_key = engine.run_tick("use:foraged key")
+
+        self.assertTrue(engine.world.state["tower_cache_unlocked"])
+        self.assertTrue(any("cache" in line.lower() or "quest" in line.lower() for line in use_key["world_events"] + use_key["log"]))
+
+
+if __name__ == "__main__":
+    unittest.main()