class Game(object):
"""
The class that brings together the background mechanics: The TaskManager, Wallet and Exchange.
"""
save_file = save_file
def __init__(self):
self.wallet = Wallet()
self.task_manager = TaskManager(n=9)
self.exchange = Exchange()
self.load_game()
def earn_wage(self) -> None:
"""
Add calculated wages from tasks to Wallet
"""
payment = 0 # start with 0 payment
for task in self.task_manager:
payment += task.payment
task.zero_payment() # reset payment value
self.wallet.currency_dict[
1] += payment # add payment to wallet (1 is the key for the first currency)
print('[game_manager/Game/earn_wage]: - earned wage: ', payment)
self.save_game()
def convert_currency(self, from_currency: int, to_currency: int,
buy_amount: float) -> None:
"""
Convert one currency to another in the wallet after looking at the conversion rate at the exchange.
:param from_currency: The currency id to pay with.
:type from_currency: int
:param to_currency: The currency id to buy.
:type to_currency: int
:param buy_amount: The amount of to_currency to buy.
:type buy_amount: float
"""
prices = self.exchange.current_prices() # a tuple of all prices
# popup ('Do you want to convert x to y at r?')
rate = prices[to_currency] / prices[from_currency]
self.wallet.convert(from_currency=from_currency,
to_currency=to_currency,
buy_amount=buy_amount,
rate=rate)
self.save_game()
def get_price_history(self):
"""
Converts price history array to a list of price lists - [[p11, p12, ...], [p21, ...], ...]
List i in the returned list is the price history list of price i.
"""
return [
list(self.exchange.price_history[:, i])
for i in range(self.exchange.price_history.shape[1])
]
def save_game(self):
"""
Write wallet state to file
"""
support.saveJson(obj=self.wallet.currency_dict,
file_path=os.path.join(save_dir, save_file))
print('[game_manager/Game/save_game]: Game saved')
def load_game(self):
"""
Load wallet state from file
"""
try:
wallet_state = support.loadJson(
file_path=os.path.join(save_dir, save_file))
self.wallet.currency_dict = {
int(key): val
for key, val in wallet_state.items()
}
except:
print('[game_manager/Game/load_game]: Could not find saved game')
