pneuma-pygame/single-agent.py
2023-11-24 15:31:01 +01:00

80 lines
2.2 KiB
Python

import random
import torch as T
import numpy as np
import matplotlib.pyplot as plt
from game import Game
from tqdm import tqdm
from os import environ
environ['PYGAME_HIDE_SUPPORT_PROMPT'] = '1'
random.seed(1)
np.random.seed(1)
T.manual_seed(1)
n_episodes = 2000
game_len = 5000
figure_file = 'plots/score_sp.png'
game = Game()
agent_list = []
score_history = np.zeros(shape=(game.max_num_players, n_episodes))
best_score = np.zeros(game.max_num_players)
avg_score = np.zeros(game.max_num_players)
for i in tqdm(range(n_episodes)):
# TODO: Make game.level.reset_map() so we don't __init__ everything all the time (such a waste)
if i != 0:
game.level.__init__(reset=True)
# TODO: Make game.level.reset_map() so we don't pull out and load the agent every time (There is -definitevly- a better way)
for player in game.level.player_sprites:
player.stats.exp = score_history[player.player_id][i-1]
player.agent = agent_list[0]
agent_list = []
for j in range(game_len):
if not game.level.done:
game.run()
game.calc_score()
for player in game.level.player_sprites:
if player.is_dead():
agent_list[0] = player.agent
player.kill()
# if (j == game_len-1 or game.level.done) and game.level.enemy_sprites != []:
# for player in game.level.player_sprites:
# for enemy in game.level.enemy_sprites:
# player.stats.exp *= .95
for player in game.level.player_sprites:
if not player.is_dead():
agent_list[0] = player.agent
exp_points = player.stats.exp
score_history[player.player_id][i] = exp_points
avg_score[player.player_id] = np.mean(
score_history[player.player_id])
if np.mean(avg_score) > np.mean(best_score):
best_score = avg_score
print("Saving models for agent...")
player.agent.save_models(
actr_chkpt="player_actor", crtc_chkpt="player_critic")
print("Models saved ...\n")
print(
f"\nAverage score: {np.mean(avg_score)}\nBest score: {np.mean(best_score)}")
plt.plot(score_history)
plt.savefig(figure_file)
game.quit()
plt.show()