Update app.py

app.py

@@ -1,21 +1,49 @@
 import streamlit as st
 import random
 import pandas as pd
+import os
 
 # Cascadia Game Components
 habitat_tiles = ['🌲', '🏞️', '🌊', '🌵', '🌄']
 wildlife_tokens = ['🐻', '🦅', '🐟', '🦌', '🐿️']
 players = ['Player 1', 'Player 2']
-save_file = 'cascadia_game_state.txt'
+save_file = 'cascadia_game_state.csv'
 
 # Initialize or load game state
 def initialize_game():
     st.session_state['habitat_stack'] = random.sample(habitat_tiles * 10, 50)
     st.session_state['wildlife_stack'] = random.sample(wildlife_tokens * 10, 50)
-    st.session_state['players'] = {player: {'habitat': [], 'wildlife': [], 'nature_tokens': 3} for player in players}
+    for player in players:
+        st.session_state[player] = {'habitat': [], 'wildlife': [], 'nature_tokens': 3}
+
+def load_game_state():
+    if os.path.exists(save_file):
+        df = pd.read_csv(save_file)
+        for player in players:
+            st.session_state[player] = {
+                'habitat': df[player + '_habitat'].dropna().tolist(),
+                'wildlife': df[player + '_wildlife'].dropna().tolist(),
+                'nature_tokens': df[player + '_nature_tokens'][0]
+            }
+        st.session_state['habitat_stack'] = df['habitat_stack'].dropna().tolist()
+        st.session_state['wildlife_stack'] = df['wildlife_stack'].dropna().tolist()
+
+def save_game_state():
+    data = {
+        'habitat_stack': pd.Series(st.session_state['habitat_stack']),
+        'wildlife_stack': pd.Series(st.session_state['wildlife_stack'])
+    }
+    for player in players:
+        data[player + '_habitat'] = pd.Series(st.session_state[player]['habitat'])
+        data[player + '_wildlife'] = pd.Series(st.session_state[player]['wildlife'])
+        data[player + '_nature_tokens'] = pd.Series([st.session_state[player]['nature_tokens']])
+    df = pd.DataFrame(data)
+    df.to_csv(save_file, index=False)
 
 if 'habitat_stack' not in st.session_state:
-    initialize_game()
+    load_game_state()
+    if 'habitat_stack' not in st.session_state:
+        initialize_game()
 
 # Streamlit Interface
 st.title("🌲 Cascadia Lite 🌲")
@@ -52,8 +80,7 @@ for player in players:
             st.write(f"{player} used a nature token. Remaining: {st.session_state['players'][player]['nature_tokens']}")
 
 # Save game state
-with open(save_file, 'w') as file:
-    json.dump(st.session_state, file)
+save_game_state()
 
 # Game Controls and Instructions
 st.write("## Game Controls")