homework commit
This commit is contained in:
Edoardo Vergerio
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from core import Trainer
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import random
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import copy
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import game_data as gd
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import pickle
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import matplotlib.pyplot as plt
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import numpy as np
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import os
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import pandas as pd
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np.seterr(divide='raise', invalid='raise')
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#if the results folder does not exist, create it
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if not os.path.exists('results'):
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os.makedirs('results')
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if not os.path.exists('plots'):
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os.makedirs('plots')
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def RandomBattle(trainer,cpu_trainer):
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#print(f"You are in battle against {cpu_trainer.name}!")
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battle_active = True
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active_pokemon = trainer.get_active_pokemon()
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cpu_active_pokemon = cpu_trainer.get_active_pokemon()
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#print(f"Your active Pokemon is {active_pokemon.name} and the CPU's active Pokemon is {cpu_active_pokemon.name}.")
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did_player_won = False
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battle_turns_num = 0
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player_hp_evolution = []
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player_selected_moves = []
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player_damage_done = []
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cpu_hp_evolution = []
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cpu_selected_moves = []
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cpu_damage_done = []
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while battle_active:
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player_move_name = random.choice(active_pokemon.get_moves())
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player_selected_moves.append(player_move_name)
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#print(f"{active_pokemon.name} selected {player_move_name} to use against {cpu_active_pokemon.name}:\n")
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try:
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player_damage_done_value = active_pokemon.useMove(player_move_name,cpu_active_pokemon)
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player_damage_done.append(player_damage_done_value)
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player_hp_evolution.append(active_pokemon.get_current_hp())
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cpu_hp_evolution.append(cpu_active_pokemon.get_current_hp())
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battle_turns_num += 1
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#check if the opponent has been defeated
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if not cpu_trainer.active_pokemon_can_battle():
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#print(f"{cpu_trainer.get_active_pokemon().name} has been defeated! You win!")
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did_player_won = True
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battle_active = False
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break
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#if the opponent has not been defeated, then its the CPU turn to play
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cpu_active_pokemon_selected_move_name = random.choice(cpu_active_pokemon.get_moves())
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#print(f"CPU's {cpu_active_pokemon.name} is using {cpu_active_pokemon_selected_move_name} against your {active_pokemon.name}!")
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cpu_selected_moves.append(cpu_active_pokemon_selected_move_name)
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cpu_damage_done_value = cpu_active_pokemon.useMove(cpu_active_pokemon_selected_move_name, active_pokemon)
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cpu_damage_done.append(cpu_damage_done_value)
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player_hp_evolution.append(active_pokemon.get_current_hp())
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cpu_hp_evolution.append(cpu_active_pokemon.get_current_hp())
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battle_turns_num += 1
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#update the player pokemon list
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trainer.update_pokemon_list(active_pokemon)
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#check if the player has been defeated
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if not trainer.active_pokemon_can_battle():
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#print(f"Your {active_pokemon.name} has been defeated!")
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if not trainer.can_battle():
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#print("You have no more Pokemons that can battle! You lose!")
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did_player_won=False
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battle_active = False
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break
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else:
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#print("You have other Pokemons that can battle!")
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continue
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except ValueError as e:
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print(e)
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#manage those cases for which the player wins in the first turn and the cpu does not play any turn
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if len(player_damage_done) == 0:
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player_damage_done = [0]
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if len(cpu_damage_done) == 0:
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cpu_damage_done = [0]
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player_avg_damage_done = np.mean(player_damage_done) #average damage done per turn
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cpu_avg_damage_done = np.mean(cpu_damage_done) #average damage done per turn
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player_residual_hp_percent = trainer.get_active_pokemon().get_current_hp_percent()
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player_history = {'player_hp_evolution':player_hp_evolution,
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'player_selected_moves':player_selected_moves,
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'player_damage_done':player_damage_done,
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'player_avg_damage_done':player_avg_damage_done
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}
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cpu_history = {'cpu_hp_evolution':cpu_hp_evolution,
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'cpu_selected_moves':cpu_selected_moves,
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'cpu_damage_done':cpu_damage_done,
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'cpu_avg_damage_done':cpu_avg_damage_done
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}
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turn_history = {'player_history':player_history,
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'cpu_history':cpu_history
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}
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battle_results = {
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'player_pokemon':trainer.get_active_pokemon(),
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'encountered_pokemon':cpu_trainer.get_active_pokemon(),
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'result':did_player_won,
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'battle_turns_num':battle_turns_num,
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'player_residual_hp_percent':player_residual_hp_percent,
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'turn_history':turn_history
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}
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return battle_results
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def Main(starter_choice,Nbattles):
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try:
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starter_name = starter_choice
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trainer = Trainer(name='edo', starter_name=starter_name)
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#print(f"{trainer.name} has chosen {trainer.starter} as their starter Pokemon!")
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#print("Adding potions and pokeballs to your inventory...")
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trainer.items = {"potions": 10, "pokeball": 10}
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#print("Your character is ready!")
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#print(f"Welcome {trainer.name}! Your adventure begins now!")
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except ValueError as e:
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print(e)
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print("Something went wrong!")
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game_active_flag = True
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while game_active_flag:
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all_battle_results = []
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for i in range(0,Nbattles):
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#print("You entered the Random Battle mode")
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#print("Battle #",i)
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cpu_trainer = Trainer(name='CPU',starter_name=gd.pokemons_df.index[random.randint(0,len(gd.pokemons_df.index)-1)],is_CPU=True)
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battle_results = RandomBattle(trainer,cpu_trainer)
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all_battle_results.append(battle_results)
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heal_flag = 'yes'
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if heal_flag == 'yes':
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for pokemon in trainer.pokemon_list:
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pokemon.curr_hp = pokemon.baseStats['hp']
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#print("All your Pokemon have been healed!")
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game_active_flag = False
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#save all battle results
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return all_battle_results
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def make_plots(Ngames,Nbattles):
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files_to_analyze = os.listdir('results/')
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avg_damage_per_level = dict()
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for file_name in files_to_analyze:
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pickle_in = open(f"results/{file_name}",'rb')
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all_battle_results = pickle.load(pickle_in)
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pickle_in.close()
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for battle_result in all_battle_results:
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player_pokemon = battle_result['player_pokemon']
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player_pokemon_name = player_pokemon.name
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player_pokemon_level = player_pokemon.level
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player_avg_damage_done = battle_result['turn_history']['player_history']['player_avg_damage_done']
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if player_pokemon_name not in avg_damage_per_level:
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avg_damage_per_level[player_pokemon_name] = {}
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if player_pokemon_level not in avg_damage_per_level[player_pokemon_name]:
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avg_damage_per_level[player_pokemon_name][player_pokemon_level] = []
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avg_damage_per_level[player_pokemon_name][player_pokemon_level].append(player_avg_damage_done)
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for pokemon_name in avg_damage_per_level:
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for level in avg_damage_per_level[pokemon_name]:
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avg_damage_per_level[pokemon_name][level] = np.mean(avg_damage_per_level[pokemon_name][level])
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for pokemon_name in avg_damage_per_level:
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levels = list(avg_damage_per_level[pokemon_name].keys())
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avg_damages = list(avg_damage_per_level[pokemon_name].values())
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plt.figure(figsize=(12, 6))
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plt.bar(levels, avg_damages)
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plt.xlabel('Pokemon Level')
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plt.ylabel('Average Damage Done')
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plt.title(f'Average Damage Done per battle turn for {pokemon_name}')
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plt.xticks(rotation=45)
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plt.tight_layout()
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plt.savefig(f'plots/average_damage_per_turn_{pokemon_name}.pdf')
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#pie chart
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available_pokemon_type_distribution = {}
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for pokemon_name in gd.pokemons_dict:
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pokemon_types = gd.pokemons_dict[pokemon_name]['types']
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for pokemon_type in pokemon_types:
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if pokemon_type not in available_pokemon_type_distribution:
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available_pokemon_type_distribution[pokemon_type] = 0
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available_pokemon_type_distribution[pokemon_type] += 1
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encountered_pokemon_types = {}
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for file_name in files_to_analyze:
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pickle_in = open(f"results/{file_name}",'rb')
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all_battle_results = pickle.load(pickle_in)
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pickle_in.close()
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for battle_result in all_battle_results:
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encountered_pokemon = battle_result['encountered_pokemon']
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encountered_pokemon_types_list = encountered_pokemon.types
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for pokemon_type in encountered_pokemon_types_list:
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if pokemon_type not in encountered_pokemon_types:
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encountered_pokemon_types[pokemon_type] = 0
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encountered_pokemon_types[pokemon_type] += 1
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quantities = list(encountered_pokemon_types.values())
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labels = list(encountered_pokemon_types.keys())
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plt.figure(figsize=(12, 6))
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plt.subplot(1, 2, 1)
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plt.pie(quantities, labels=labels, autopct='%1.1f%%', startangle=140)
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plt.title('Distribution of Encountered Pokemon Types')
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plt.axis('equal') # Equal aspect ratio ensures that pie is drawn as a circle
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plt.subplot(1, 2, 2)
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quantities_base = list(available_pokemon_type_distribution.values())
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labels_base = list(available_pokemon_type_distribution.keys())
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plt.pie(quantities_base, labels=labels_base, autopct='%1.1f%%', startangle=140)
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plt.title('Distribution of Available Pokemon Types')
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plt.axis('equal')
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plt.savefig('plots/pokemon_types_distribution.pdf')
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def build_dataset():
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all_pokemon_types = list(gd.available_types)
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player_ActStats_labels = ["player_hp", "player_attack", "player_defense", "player_speed", "player_special"]
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player_type_label = ['player_type_' + t for t in all_pokemon_types]
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opponent_ActStats_labels = ["opponent_hp", "opponent_attack", "opponent_defense", "opponent_speed", "opponent_special"]
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opponent_type_label = ['opponent_type_' + t for t in all_pokemon_types]
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#define a padas dataframe to store the dataset
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dataset_column_labels = player_ActStats_labels + player_type_label + opponent_ActStats_labels + opponent_type_label + ['battle_result']
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dataset = pd.DataFrame(columns=dataset_column_labels)
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files_to_analyze = os.listdir('results/')
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dataset_row = []
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for file_name in files_to_analyze:
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pickle_in = open(f"results/{file_name}",'rb')
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all_battle_results = pickle.load(pickle_in)
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pickle_in.close()
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for battle_result in all_battle_results:
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player_pokemon_ActStats = list(battle_result['player_pokemon'].ActStats.values())
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player_pokemon_type = battle_result['player_pokemon'].types
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player_pokemon_type_encoded = [1 if t in player_pokemon_type else 0 for t in all_pokemon_types]
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opponent_pokemon = list(battle_result['encountered_pokemon'].ActStats.values())
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opponent_pokemon_type = battle_result['encountered_pokemon'].types
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opponent_pokemon_type_encoded = [1 if t in opponent_pokemon_type else 0 for t in all_pokemon_types]
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battle_result_integer = 1 if battle_result['result'] else 0
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dataset_row = player_pokemon_ActStats + player_pokemon_type_encoded + opponent_pokemon + opponent_pokemon_type_encoded + [battle_result_integer]
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#append the row to the dataset
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dataset.loc[len(dataset)] = dataset_row
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#save the dataset to a csv file
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dataset.to_csv('dataset.csv', index=False)
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return dataset_column_labels
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def train_model(dataset_column_labels):
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from sklearn.model_selection import train_test_split
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from sklearn.ensemble import RandomForestClassifier
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from sklearn.metrics import accuracy_score, classification_report, confusion_matrix
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from sklearn.model_selection import RandomizedSearchCV
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from scipy.stats import randint
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dataset_labels = dataset_column_labels[:-1]
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# Load the dataset
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dataset = pd.read_csv('dataset.csv')
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# Split the dataset into features and target variable
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X = dataset.drop('battle_result', axis=1)
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y = dataset['battle_result']
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# Split the data into training and testing sets
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X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2, random_state=42)
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# Create a Random Forest Classifier
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model = RandomForestClassifier()
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param_dist = {
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'n_estimators': randint(50, 500),
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'max_depth': randint(1, 20),
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}
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rand_search = RandomizedSearchCV(model,
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param_distributions=param_dist,
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n_iter=5, cv=5).fit(X_train, y_train)
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# Train the model
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best_model = rand_search.best_estimator_
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print(f"Best parameters found: {rand_search.best_params_}")
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# Make predictions on the test set
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y_pred = best_model.predict(X_test)
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# Evaluate the model
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accuracy = accuracy_score(y_test, y_pred)
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print(f"Model Accuracy: {accuracy:.2f}")
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print("Classification Report:")
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print(classification_report(y_test, y_pred))
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print("Confusion Matrix:")
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print(confusion_matrix(y_test, y_pred))
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from sklearn.tree import export_graphviz
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import graphviz
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# Visualize the first three estimators
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for i in range(3):
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tree = best_model.estimators_[i]
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dot_data = export_graphviz(tree,
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feature_names=dataset_labels,
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filled = True,
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max_depth = 2,
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impurity = False,
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proportion = True)
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graph = graphviz.Source(dot_data)
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graph.render(outfile=f"plots/tree_{i}.pdf", format='pdf')
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if __name__ == "__main__":
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Ngames = 10
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Nbattles = 5
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print("Generating data")
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for i in range(Ngames):
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starter_choice = gd.pokemons_df.index[random.randint(0,len(gd.pokemons_df.index)-1)]
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#print(f"Generating data for {starter_choice}, game {i}...")
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results = Main(starter_choice = starter_choice, Nbattles=Nbattles)
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pickle_out = open(f"results/{starter_choice}_game_{i}_{Nbattles}_battles.pickle",'wb')
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pickle.dump(results,pickle_out)
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pickle_out.close()
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print("Generating dataset")
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dataset_column_labels = build_dataset()
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print("Training model")
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train_model(dataset_column_labels)
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print("Ended")
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