143 lines
5.3 KiB
Python
143 lines
5.3 KiB
Python
import random
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import matplotlib.pyplot as plt
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from colorama import Fore, Style, init
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init(autoreset=True) # Auto-reset color after each print
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import os
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os.system('cls' if os.name == 'nt' else 'clear') # Clear screen on start
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cryptos = {
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"Bitcoin": {"price": 100.0, "sensitivity": 0.5, "volatility": 0.0, "total_supply": 1000.0, "price_history": [100.0]},
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"Ethereum": {"price": 50.0, "sensitivity": 0.3, "volatility": 0.0, "total_supply": 1500.0, "price_history": [50.0]},
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}
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users = {}
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def available_supply(coin):
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owned = sum(user['coins'].get(coin, 0.0) for user in users.values())
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return max(0.0, cryptos[coin]["total_supply"] - owned)
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def save_graph(coin):
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plt.clf()
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plt.plot(cryptos[coin]["price_history"], label=f"{coin} Price")
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plt.title(f"{coin} Price Over Time")
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plt.xlabel("Turn")
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plt.ylabel("Price")
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plt.legend()
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plt.grid(True)
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filename = f"{coin.lower()}_price.png"
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plt.savefig(filename)
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print(Fore.MAGENTA + f"📊 Graph saved as '{filename}'")
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def total_value(user):
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return user["cash"] + sum(user["coins"].get(c, 0.0) * cryptos[c]["price"] for c in cryptos)
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# Intro
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print(Fore.YELLOW + Style.BRIGHT + "💰 Welcome to Crypto Kids Multiplayer — Multi-Coin Edition!")
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print(Style.DIM + "🎮 Register users, then trade Bitcoin and Ethereum in turn-based rounds.\n")
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# Register Users
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while True:
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user_input = input(Fore.CYAN + "Enter username to register/login (or type 'start' to begin): ").strip()
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if user_input.lower() == "start":
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if not users:
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print(Fore.RED + "⚠️ Add at least one user to begin.")
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continue
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break
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if user_input not in users:
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users[user_input] = {"cash": 1000.0, "coins": {coin: 0.0 for coin in cryptos}}
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print(Fore.GREEN + f"🆕 User '{user_input}' registered with $1000 cash.")
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else:
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print(Fore.BLUE + f"👋 Welcome back, {user_input}!")
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usernames = list(users.keys())
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turn = 0
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print(Fore.YELLOW + "\n🎬 Game started! Trade using +amount to buy or -amount to sell. Type 'exit' to quit.\n")
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# Main Game Loop
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while True:
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# Display all users' holdings before each turn
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print(Fore.LIGHTWHITE_EX + "\n📊 CURRENT STANDINGS")
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print("="*40)
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for uname, data in users.items():
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print(Fore.LIGHTCYAN_EX + f"👤 {uname}:")
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print(f" 💼 Cash: {Fore.GREEN}${data['cash']:.2f}")
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for c in cryptos:
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print(f" 🪙 {c}: {Fore.YELLOW}{data['coins'][c]:.2f}")
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print(f" 📈 Total Value: {Fore.CYAN}${total_value(data):.2f}\n")
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username = usernames[turn % len(usernames)]
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user = users[username]
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print(Fore.LIGHTWHITE_EX + "\n" + "="*40)
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print(Fore.CYAN + f"🔁 {username.upper()}'S TURN")
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print(Fore.LIGHTWHITE_EX + "="*40)
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print(f"💼 Cash: {Fore.GREEN}${user['cash']:.2f}")
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print("🪙 Your Holdings:")
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for coin in cryptos:
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print(f" - {Fore.YELLOW}{coin}: {user['coins'][coin]:.2f}")
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coin = input(Fore.CYAN + f"\nSelect a coin to trade {list(cryptos.keys())}: ").strip()
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if coin not in cryptos:
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print(Fore.RED + "⚠️ Invalid coin selection.")
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continue
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price = cryptos[coin]["price"]
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supply = available_supply(coin)
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print(Fore.LIGHTBLUE_EX + f"\n📈 {coin} Price: ${price:.2f}")
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print(f"📊 Supply Available: {supply:.2f} / {cryptos[coin]['total_supply']:.0f}")
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user_input = input(Fore.CYAN + f"Enter trade amount for {coin} (e.g., +10 or -5), or 'exit': ").strip()
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if user_input.lower() == "exit":
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print(Fore.YELLOW + "\n📉 GAME OVER — FINAL BALANCES:\n")
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for uname, data in users.items():
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print(Fore.LIGHTWHITE_EX + f"👤 {uname}:")
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print(f" 💼 Cash: {Fore.GREEN}${data['cash']:.2f}")
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for c in cryptos:
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print(f" 🪙 {c}: {Fore.YELLOW}{data['coins'][c]:.2f}")
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print(f" 📈 Total Value: {Fore.CYAN}${total_value(data):.2f}\n")
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break
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try:
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trade_amount = int(user_input)
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except ValueError:
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print(Fore.RED + "⚠️ Invalid input format. Use +10 or -5.")
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continue
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# Buy
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if trade_amount > 0:
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if supply < trade_amount:
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print(Fore.RED + "❌ Not enough coins available.")
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continue
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cost = trade_amount * price
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if user["cash"] >= cost:
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user["cash"] -= cost
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user["coins"][coin] += trade_amount
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print(Fore.GREEN + f"✅ Bought {trade_amount} {coin} for ${cost:.2f}")
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else:
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print(Fore.RED + "❌ Not enough cash.")
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continue
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# Sell
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elif trade_amount < 0:
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sell_amt = -trade_amount
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if user["coins"][coin] >= sell_amt:
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user["coins"][coin] -= sell_amt
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user["cash"] += sell_amt * price
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print(Fore.GREEN + f"✅ Sold {sell_amt} {coin} for ${sell_amt * price:.2f}")
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else:
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print(Fore.RED + "❌ Not enough coins.")
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continue
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# Price Update
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net_demand = trade_amount
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crypto = cryptos[coin]
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price_change = net_demand * crypto["sensitivity"]
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randomness = random.uniform(-crypto["volatility"], crypto["volatility"]) * crypto["price"]
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new_price = crypto["price"] + price_change + randomness
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crypto["price"] = max(1.0, new_price)
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crypto["price_history"].append(crypto["price"])
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save_graph(coin)
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turn += 1
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