def run_emulator(env_id, game_id, roms_path, memory_addresses, output_queue):
emulator = None
try:
emulator = Emulator(env_id, roms_path, game_id, memory_addresses)
output_queue.put(emulator.step([]))
finally:
emulator.close()
def test_step(self):
memory_addresses = {"test": Address("02000008", "u8")}
game_id = "sfiii3n"
emulator = None
try:
emulator = Emulator("testEnv1", game_id, memory_addresses)
data = emulator.step([])
assert_that(data["frame"].shape, equal_to((224, 384, 3)))
assert_that(data["test"], equal_to(0))
finally:
emulator.close()
def test_step(self):
memory_addresses = {"test": Address("02000008", "u8")}
game_id = "sfiii3n"
roms_path = "/home/michael/dev/MAMEToolkit/MAMEToolkit/emulator/mame/roms"
emulator = None
try:
emulator = Emulator("testEnv1", roms_path, game_id, memory_addresses)
data = emulator.step([])
assert_that(data["frame"].shape, equal_to((224, 384, 3)))
assert_that(data["test"], equal_to(0))
finally:
emulator.close()
class Environment(object):
# env_id - the unique identifier of the emulator environment, used to create fifo pipes
# difficulty - the difficult to be used in story mode gameplay
# frame_ratio, frames_per_step - see Emulator class
# render, throttle, debug - see Console class
def __init__(self,
env_id,
roms_path,
difficulty=3,
frame_ratio=3,
frames_per_step=3,
render=True,
throttle=False,
debug=False):
self.difficulty = difficulty
self.frame_ratio = frame_ratio
self.frames_per_step = frames_per_step
self.throttle = throttle
self.emu = Emulator(env_id,
roms_path,
"sfiii3n",
setup_memory_addresses(),
frame_ratio=frame_ratio,
render=render,
throttle=throttle,
debug=debug)
self.started = False
self.expected_health = {"P1": 0, "P2": 0}
self.expected_wins = {"P1": 0, "P2": 0}
self.round_done = False
self.stage_done = False
self.game_done = False
self.stage = 1
# Runs a set of action steps over a series of time steps
# Used for transitioning the emulator through non-learnable gameplay, aka. title screens, character selects
def run_steps(self, steps):
for step in steps:
for i in range(step["wait"]):
self.emu.step([])
self.emu.step([action.value for action in step["actions"]])
# Must be called first after creating this class
# Sends actions to the game until the learnable gameplay starts
# Returns the first few frames of gameplay
def start(self):
if self.throttle:
for i in range(int(250 / self.frame_ratio)):
self.emu.step([])
self.run_steps(set_difficulty(self.frame_ratio, self.difficulty))
self.run_steps(start_game(self.frame_ratio))
frames = self.wait_for_fight_start()
self.started = True
return frames
# Observes the game and waits for the fight to start
def wait_for_fight_start(self):
data = self.emu.step([])
while data["fighting"] == 0:
data = self.emu.step([])
self.expected_health = {"P1": data["healthP1"], "P2": data["healthP2"]}
data = self.gather_frames([])
return data["frame"]
def reset(self):
if self.game_done:
return self.new_game()
elif self.stage_done:
return self.next_stage()
elif self.round_done:
return self.next_round()
else:
raise EnvironmentError("Reset called while gameplay still running")
# To be called when a round finishes
# Performs the necessary steps to take the agent to the next round of gameplay
def next_round(self):
self.round_done = False
self.expected_health = {"P1": 0, "P2": 0}
return self.wait_for_fight_start()
# To be called when a game finishes
# Performs the necessary steps to take the agent(s) to the next game and resets the necessary book keeping variables
def next_stage(self):
self.wait_for_continue()
self.run_steps(next_stage(self.frame_ratio))
self.expected_health = {"P1": 0, "P2": 0}
self.expected_wins = {"P1": 0, "P2": 0}
self.round_done = False
self.stage_done = False
return self.wait_for_fight_start()
def new_game(self):
self.wait_for_continue()
self.run_steps(new_game(self.frame_ratio))
self.expected_health = {"P1": 0, "P2": 0}
self.expected_wins = {"P1": 0, "P2": 0}
self.round_done = False
self.stage_done = False
self.game_done = False
self.stage = 1
return self.wait_for_fight_start()
# Steps the emulator along until the screen goes black at the very end of a game
def wait_for_continue(self):
data = self.emu.step([])
if self.frames_per_step == 1:
while data["frame"].sum() != 0:
data = self.emu.step([])
else:
while data["frame"][0].sum() != 0:
data = self.emu.step([])
# Steps the emulator along until the round is definitely over
def run_till_victor(self, data):
while self.expected_wins["P1"] == data[
"winsP1"] and self.expected_wins["P2"] == data["winsP2"]:
data = add_rewards(data, self.sub_step([]))
self.expected_wins = {"P1": data["winsP1"], "P2": data["winsP2"]}
return data
# Checks whether the round or game has finished
def check_done(self, data):
if data["fighting"] == 0:
data = self.run_till_victor(data)
self.round_done = True
if data["winsP1"] == 2:
self.stage_done = True
self.stage += 1
if data["winsP2"] == 2:
self.game_done = True
return data
# Collects the specified amount of frames the agent requires before choosing an action
def gather_frames(self, actions):
data = self.sub_step(actions)
frames = [data["frame"]]
for i in range(self.frames_per_step - 1):
data = add_rewards(data, self.sub_step(actions))
frames.append(data["frame"])
data["frame"] = frames[0] if self.frames_per_step == 1 else frames
return data
# Steps the emulator along by one time step and feeds in any actions that require pressing
# Takes the data returned from the step and updates book keeping variables
def sub_step(self, actions):
data = self.emu.step([action.value for action in actions])
p1_diff = (self.expected_health["P1"] - data["healthP1"])
p2_diff = (self.expected_health["P2"] - data["healthP2"])
self.expected_health = {"P1": data["healthP1"], "P2": data["healthP2"]}
rewards = {"P1": (p2_diff - p1_diff), "P2": (p1_diff - p2_diff)}
data["rewards"] = rewards
return data
# Steps the emulator along by the requested amount of frames required for the agent to provide actions
def step(self, move_action, attack_action):
if self.started:
if not self.round_done and not self.stage_done and not self.game_done:
actions = []
if random.random() > 0.3:
actions += index_to_move_action(move_action)
actions += index_to_attack_action(attack_action)
else:
actions += index_to_super_action(
(move_action + attack_action) % 6)
data = self.gather_frames(actions)
data = self.check_done(data)
return data["frame"], data[
"rewards"], self.round_done, self.stage_done, self.game_done
else:
raise EnvironmentError(
"Attempted to step while characters are not fighting")
else:
raise EnvironmentError("Start must be called before stepping")
# Safely closes emulator
def close(self):
self.emu.close()
class Environment(object):
def __init__(self, env_id, roms_path, self_play=True, vs_rounds_before_single_player=2, player='P1', character = 19,
frame_ratio=2, frames_per_step=1, render=True, throttle=False, debug=True, new_training=True):
self.p1_character_selection = character # 'Scorpion' (default) is 6 #19 and over for random character
self.p2_character_selection = character
# This will need Xvfb X11 virtual server installed on GNU/Linux system
if not render:
os.system("Xvfb :1 -screen 0 800x600x16 +extension RANDR &")
os.environ["DISPLAY"] = ":1"
self.env_id = env_id
self.self_play = self_play
self.frame_ratio = frame_ratio
self.frames_per_step = frames_per_step
self.throttle = throttle
self.debug = debug
self.emu = Emulator(env_id, roms_path, "umk3", setup_memory_addresses(), frame_ratio=frame_ratio, render=render,
throttle=throttle, debug=debug)
self.started = False
self.expected_time_remaining = 0
self.time_remaining = 0
self.done = False
self.round_done = False
self.stage_done = False
self.game_over = False
self.game_completed = False
self.finished_single_player = False
self.num_total_characters = umk3_num_total_characters
# Create two Player objects with useful values for each player (a player can be an agent or the game's AI)
self.P1 = Player('P1', self.p1_character_selection, self.num_total_characters)
self.P2 = Player('P2', self.p2_character_selection, self.num_total_characters)
self.env_player = player # If environment's agent controls 'P1', 'P2' or both in 2 Player self-play 'Vs'
# Player is initialized to 'Vs' if self_play is True
if self.self_play is True:
self.env_player = 'Vs'
# Number of self-play Vs rounds to be played before the agent plays a single player benchmark in story mode
self.vs_rounds_before_single_player = vs_rounds_before_single_player
self.current_vs_rounds_before_single_player = vs_rounds_before_single_player
# Stage is counting only if playing in single-player mode
# If 'Vs' mode, Stage remains at 0
self.stage = 0 if player is 'Vs' else 1
self.last_vs_game_winner = ''
self.highest_stage = 0
self.path = 'Novice'
self.difficulty = 0
self.expected_difficulty = 0 # Assumes UMK3 starts with Very Easy pre-selected
self.paths = ['Novice', 'Warrior', 'Master', 'MasterII']
self.difficulties = ['Very Easy', 'Easy', 'Medium', 'Hard', 'Very Hard']
# If the game somehow reaches round 5 in a stage (3 draws), it resets after round 5 ends
self.round_this_stage = 1
self.reset_this_round = False
self.total_episodes_played = 0
self.memory_values = []
# Track if any milsetones have been logged to decide if to create a new file or append
self.new_training = new_training
if not self.new_training and os.path.exists(os.path.join('milestones', self.env_id + '_milestones.txt')):
self.logged_first_milestone = True
else:
self.logged_first_milestone = False
# Runs a set of action steps over a series of time steps
# Used for transitioning the emulator through non-learnable gameplay, aka. title screens, character selects
def run_steps(self, steps):
for step in steps:
for i in range(step["wait"]):
self.emu.step([])
self.emu.step([action.value for action in step["actions"]])
def new_game(self):
assert (self.env_player is 'P1' or self.env_player is 'P2' or self.env_player is 'Vs')
self.expected_difficulty, difficulty_steps = set_difficulty(self.frame_ratio, self.difficulty,
self.expected_difficulty)
self.run_steps(difficulty_steps)
# If player is P1, execute steps to start story-mode with Player 1
if self.env_player is 'P1':
# Select single-player character, only if environment is not in self-play mode
# If environment is in self-play, character is pre-selected as the one chosen by the player
# who won the last Vs game
if not self.self_play:
self.run_steps(p1_start_game(self.frame_ratio))
p1_character_select_steps, p1_character_index = \
p1_select_character(self.frame_ratio, self.p1_character_selection)
self.P1.set_character(p1_character_index)
if self.debug:
print(">Debug: Starting a new single-player game... Difficulty: " +
self.difficulties[self.difficulty] + ", Path: " + self.path +
", Player: " + self.env_player + ", Character: " + self.P1.character_name + " \n")
self.run_steps(p1_character_select_steps)
else:
if self.debug:
print(">Debug: Continuing to single-player game from Vs... Difficulty: " +
self.difficulties[self.difficulty] + ", Path: " + self.path + ", Player: " +
self.env_player + ", Character: " + self.P1.character_name + " \n")
# Select story mode path
self.run_steps(p1_select_path(self.frame_ratio, self.path))
# If player is P2, execute steps to start story-mode with Player 2
elif self.env_player is 'P2':
# Select single-player character, only if environment is not in self-play mode
# If environment is in self-play, character is pre-selected as the one chosen by the player
# who won the last Vs game
if not self.self_play:
self.run_steps(p2_start_game(self.frame_ratio))
p2_character_select_steps, p2_character_index = \
p2_select_character(self.frame_ratio, self.p2_character_selection)
self.P2.set_character(p2_character_index)
if self.debug:
print(">Debug: Starting a new single-player game... Difficulty: " +
self.difficulties[self.difficulty] + ", Path: " + self.path +
", Player: " + self.env_player + ", Character: " + self.P2.character_name + " \n")
self.run_steps(p2_character_select_steps)
else:
if self.debug:
print(">Debug: Continuing to single-player game from Vs... Difficulty: " +
self.difficulties[self.difficulty] + ", Path: " + self.path +
", Player: " + self.env_player + ", Character: " + self.P2.character_name + " \n")
# Select story mode path
self.run_steps(p2_select_path(self.frame_ratio, self.path))
# If player is set to Vs (in Self-Play mode), execute steps to start 2-Player Vs mode
else:
self.run_steps(p1_and_p2_vs_start_game(self.frame_ratio))
p1_character_select_steps, p1_character_index = p1_select_character(
self.frame_ratio, self.p1_character_selection)
self.P1.set_character(p1_character_index)
p2_character_select_steps, p2_character_index = p2_select_character(
self.frame_ratio, self.p2_character_selection)
self.P2.set_character(p2_character_index)
if self.debug:
print(">Debug: Starting a new Vs game... Mode: " + self.env_player + ", P1 Character: " +
self.P1.character_name + ", P2 Character: " + self.P2.character_name + " \n")
self.run_steps(p1_character_select_steps)
self.run_steps(p2_character_select_steps)
self.wait_for_fight_start()
self.P1.expected_health, self.P2.expected_health = 0, 0
#self.expected_health = {"P1": 0, "P2": 0}
self.P1.expected_wins, self.P2.expected_wins = 0, 0
#self.expected_wins = {"P1": 0, "P2": 0}
self.P1.expected_wins_check_done, self.P2.expected_wins_check_done = 0, 0
#self.expected_wins_check_done = {"P1": 0, "P2": 0}
self.done = False
self.round_done = False
self.stage_done = False
self.game_over = False
self.game_completed = False
self.started = True
self.expected_time_remaining = 0
self.time_remaining = 0
self.round_this_stage = 1
self.P1.total_rewards_this_round, self.P2.total_rewards_this_round = 0, 0
#self.total_rewards_this_round = {"P1": 0, "P2": 0}
self.P1.total_rewards_this_game, self.P2.total_rewards_this_game = 0, 0
#self.total_rewards_this_game = 0
self.finished_single_player = False
self.reset_this_round = False
# Stage is counting only if playing in single-player mode
# If 'Vs' mode, Stage remains at 0
self.stage = 0 if self.env_player is 'Vs' else 1
# Must be called first after creating this class
# Sends actions to the game until the learnable gameplay starts
def start(self):
if self.throttle:
for i in range(int(250 / self.frame_ratio)):
self.emu.step([])
self.new_game()
def wait_for_fight_start(self):
data = self.emu.step([])
while data["fighting"] == 0:
data = self.emu.step([])
def next_stage(self):
self.P1.expected_health, self.P2.expected_health = 0, 0
#self.expected_health = {"P1": 0, "P2": 0}
self.P1.expected_wins, self.P2.expected_wins = 0, 0
#self.expected_wins = {"P1": 0, "P2": 0}
self.P1.expected_wins_check_done, self.P2.expected_wins_check_done = 0, 0
#self.expected_wins_check_done = {"P1": 0, "P2": 0}
self.round_this_stage = 1
self.done = False
self.round_done = False
self.stage_done = False
return self.wait_for_next_stage_start()
def wait_for_next_stage_start(self):
if self.debug:
print(">Debug: Waiting for next stage to start...\n")
data = self.emu.step([])
while data["fighting"] == 1:
data = self.emu.step([])
while data["fighting"] == 0:
data = self.emu.step([])
def next_round(self):
self.round_this_stage += 1
self.reset_this_round = True if self.round_this_stage > 4 else False
if self.reset_this_round and self.debug:
print(">Debug: Game has reached round 5 in a stage, will reset at end of this round!")
self.done = False
self.round_done = False
self.P1.expected_health, self.P2.expected_health = 0, 0
#self.expected_health = {"P1": 0, "P2": 0}
return self.wait_for_next_round_start()
def wait_for_next_round_start(self):
if self.debug:
print(">Debug: Waiting for next round to start...\n")
data = self.emu.step([])
self.time_remaining = (int(data["time_remaining_tens_digit"]) * 10) + int(data["time_remaining_ones_digit"])
while int(data["healthP1"]) != 166 and int(data["healthP2"]) != 166 and self.time_remaining != 99:
data = self.emu.step([])
self.time_remaining = (int(data["time_remaining_tens_digit"]) * 10) + int(data["time_remaining_ones_digit"])
def new_game_after_loss(self):
if self.debug:
print(">Debug: Waiting for game over screens...\n")
self.run_steps(wait_for_game_over_screens(self.frame_ratio))
self.new_game()
def new_game_after_completion(self):
if self.debug:
print(">Debug: Waiting for game completed screens...\n")
self.run_steps(wait_for_game_completed_screens(self.frame_ratio))
self.new_game()
# Steps the emulator along by the requested amount of frames required for the agent to provide actions
# For single-player
def step(self, move_action, attack_action):
assert (self.env_player is 'P1' or self.env_player is 'P2')
if self.started:
if not self.round_done and not self.stage_done and not self.game_over and not self.game_completed:
actions = []
if self.env_player is 'P1':
actions += p1_index_to_move_action(move_action)
actions += p1_index_to_attack_action(attack_action)
elif self.env_player is 'P2':
actions += p2_index_to_move_action(move_action)
actions += p2_index_to_attack_action(attack_action)
data = self.gather_frames(actions)
data = self.check_done(data)
'''
if self.debug:
print(">Debug: healthP1:" + str(data["healthP1"]) + " healthP2:" + str(data["healthP2"]) + " \n")
print(">Debug: turboP1: " + str(data["turboP1"]) + " turboP2: " + str(data["turboP2"]) + " \n")
print(">Debug: time_remaining_tens_digit: " + str(
data["time_remaining_tens_digit"]) + " time_remaining_ones_digit: " + str(
data["time_remaining_ones_digit"]) + " \n")
print(">Debug: winsP1: " + str(data["current_round_winsP1"]) + " winsP2: " + str(
data["current_round_winsP2"]) + " \n")
print(">Debug: fighting:" + str(data["fighting"]) + " \n")
'''
return data["frame"], data[
"rewards"], self.done, self.round_done, self.stage_done, self.game_over, self.game_completed
else:
raise EnvironmentError("Attempted to step while characters are not fighting")
else:
raise EnvironmentError("Start must be called before stepping")
# Steps the emulator along by the requested amount of frames required for the agent to provide actions
# For two-player self-play
def vs_step(self, p1_move_action, p1_attack_action, p2_move_action, p2_attack_action):
assert (self.env_player is 'Vs')
if self.started:
if not self.round_done and not self.stage_done and not self.game_over and not self.game_completed:
actions = []
actions += p1_index_to_move_action(p1_move_action)
actions += p1_index_to_attack_action(p1_attack_action)
actions += p2_index_to_move_action(p2_move_action)
actions += p2_index_to_attack_action(p2_attack_action)
data = self.gather_frames(actions)
data = self.check_done(data)
'''
if self.debug:
print(">Debug: healthP1:" + str(data["healthP1"]) + " healthP2:" + str(data["healthP2"]) + " \n")
print(">Debug: turboP1: " + str(data["turboP1"]) + " turboP2: " + str(data["turboP2"]) + " \n")
print(">Debug: time_remaining_tens_digit: " + str(
data["time_remaining_tens_digit"]) + " time_remaining_ones_digit: " + str(
data["time_remaining_ones_digit"]) + " \n")
print(">Debug: winsP1: " + str(data["current_round_winsP1"]) + " winsP2: " + str(
data["current_round_winsP2"]) + " \n")
print(">Debug: fighting:" + str(data["fighting"]) + " \n")
'''
return data["frame"], data[
"rewards"], self.done, self.round_done, self.stage_done, self.game_over, self.game_completed
else:
raise EnvironmentError("Attempted to step while characters are not fighting")
else:
raise EnvironmentError("Start must be called before stepping")
# Collects the specified amount of frames the agent requires before choosing an action
def gather_frames(self, actions):
data = self.sub_step(actions)
frames = [data["frame"]]
for i in range(self.frames_per_step - 1):
data = add_rewards(data, self.sub_step(actions))
frames.append(data["frame"])
data["frame"] = frames[0] if self.frames_per_step == 1 else frames
return data
# Steps the emulator along by one time step and feeds in any actions that require pressing
# Takes the data returned from the step and updates book keeping variables while returning rewards
def sub_step(self, actions):
data = self.emu.step([action.value for action in actions])
self.memory_values = data
p1_diff_reward = (self.P1.expected_health - data["healthP1"])
p2_diff_reward = (self.P2.expected_health - data["healthP2"])
#p1_diff_reward = (self.expected_health["P1"] - data["healthP1"])
#p2_diff_reward = (self.expected_health["P2"] - data["healthP2"])
self.P1.expected_health, self.P2.expected_health = data["healthP1"], data["healthP2"]
#self.expected_health = {"P1": data["healthP1"], "P2": data["healthP2"]}
if data["current_round_winsP1"] == self.P1.expected_wins + 1:
#if data["current_round_winsP1"] == self.expected_wins["P1"] + 1:
p1_round_win_reward = 200
p2_round_win_reward = -200
elif data["current_round_winsP2"] == self.P2.expected_wins + 1:
#elif data["current_round_winsP2"] == self.expected_wins["P2"] + 1:
p2_round_win_reward = 200
p1_round_win_reward = -200
else:
p1_round_win_reward = 0
p2_round_win_reward = 0
self.P1.expected_wins, self.P2.expected_wins = data["current_round_winsP1"], data["current_round_winsP2"]
#self.expected_wins["P1"] = data["current_round_winsP1"]
#self.expected_wins["P2"] = data["current_round_winsP2"]
self.time_remaining = (int(data["time_remaining_tens_digit"]) * 10) + int(data["time_remaining_ones_digit"])
if self.time_remaining == self.expected_time_remaining - 1:
if data["healthP1"] < data["healthP2"]:
p1_time_remaining_reward = -1
p2_time_remaining_reward = 1
elif data["healthP1"] > data["healthP2"]:
p1_time_remaining_reward = 1
p2_time_remaining_reward = -1
else:
p1_time_remaining_reward = 0
p2_time_remaining_reward = 0
else:
p1_time_remaining_reward = 0
p2_time_remaining_reward = 0
self.expected_time_remaining = self.time_remaining
# Return the total rewards of each player for this timestep in a rewards dictionary
# Rewards range roughly from +360 to -360, thus normalizing by dividing by 360
# Also round rewards to 5 decimal places
rewards = {
"P1": round(((p2_diff_reward - p1_diff_reward) + p1_time_remaining_reward + p1_round_win_reward) / 360, 5),
"P2": round(((p1_diff_reward - p2_diff_reward) + p2_time_remaining_reward + p2_round_win_reward) / 360, 5)
}
# Update total rewards for this round and this game
self.P1.total_rewards_this_round += rewards['P1']
self.P2.total_rewards_this_round += rewards['P2']
self.P1.total_rewards_this_game += rewards['P1']
self.P2.total_rewards_this_game += rewards['P2']
#self.total_rewards_this_round['P1'] += rewards['P1']
#self.total_rewards_this_round['P2'] += rewards['P2']
'''
if self.debug:
print(">Debug: Rewards for P1 this timestep: " + str(rewards["P1"]) + "\n")
print(">Debug: Rewards for P2 this timestep: " + str(rewards["P2"]) + "\n")
'''
data["rewards"] = rewards
return data
def on_round_done(self):
if self.debug:
print(">Debug: Round " + str(self.round_this_stage) + " done!")
print(">Debug: Total rewards for P1 ths round: " + str(self.P1.total_rewards_this_round))
print(">Debug: Total rewards for P2 ths round: " + str(self.P2.total_rewards_this_round) + ' \n')
#print(">Debug: Total rewards for P1 ths round: " + str(self.total_rewards_this_round['P1']) + ' \n')
#print(">Debug: Total rewards for P2 ths round: " + str(self.total_rewards_this_round['P2']) + ' \n')
# Set that the round is done
self.done = True
# Increment the episodes played
self.total_episodes_played += 1
# Reset the round's rewards
self.P1.total_rewards_this_round, self.P2.total_rewards_this_round = 0, 0
#self.total_rewards_this_round = {"P1": 0, "P2": 0}
# Keep up with game reset if it has reached round 5 in a stage
if self.reset_this_round:
if self.debug:
print(">Debug: Game is being reset as it has reached round 5 in a stage! \n")
self.reset_this_round = False
self.run_steps(wait_for_game_reset(self.frame_ratio))
self.new_game()
def on_single_player_stage_win(self):
# Log milestone if a new highest stage has been reached
if self.stage > self.highest_stage:
self.log_stage_milestone()
self.highest_stage = self.stage
# Check if it reached the final stage of a path
if self.path is 'Novice' and self.stage == 8 or \
self.path is 'Warrior' and self.stage == 9 or \
self.path is 'Master' and self.stage == 10 or \
self.path is 'MasterII' and self.stage == 11:
# Set the game completed flag to true
self.game_completed = True
self.finished_single_player = True
# Log a game completion milestone
self.log_milestone()
if self.debug:
print(">Debug: Game completed on " + str(self.path) + " path and on "
+ str(self.difficulties[self.difficulty]) + " difficulty!")
if self.env_player is 'P1':
print(">Debug: Total rewards for " + self.env_player + " this game: " +
str(self.P1.total_rewards_this_game) + "\n")
else:
print(">Debug: Total rewards for " + self.env_player + " this game: " +
str(self.P2.total_rewards_this_game) + "\n")
# If the game mode is set to self-play, set the env_player to Vs to start a Vs game next
if self.self_play:
self.env_player = 'Vs'
# If the game has been completed, play on a harder path if there is a harder path
if self.path is not 'MasterII':
path_index = self.paths.index(self.path)
path_index += 1
self.path = self.paths[path_index]
# Else, if the Very Hard difficulty hasn't been reached,
# increase the difficulty and reset the path back to 'Novice'
elif self.difficulty < 4:
self.difficulty += 1
self.path = 'Novice'
# Else advance to the next stage
else:
self.stage_done = True
self.stage += 1
if self.debug:
print(">Debug: Stage won. Advancing to stage " + str(self.stage) + ". \n")
def on_single_player_stage_loss(self):
self.game_over = True
self.finished_single_player = True
if self.debug:
if self.env_player is 'P1':
print(">Debug: Total rewards for " + self.env_player + " this game: " +
str(self.P1.total_rewards_this_game))
else:
print(">Debug: Total rewards for " + self.env_player + " this game: " +
str(self.P2.total_rewards_this_game))
print(">Debug: Stage lost. Quiting game. \n")
# If the game mode is set to self-play, set the env_player to Vs to start a Vs game next
if self.self_play:
self.env_player = 'Vs'
def on_single_player_round_win(self):
self.round_done = True
if self.debug:
print(">Debug: Round won. Advancing to next round. \n")
def on_single_player_round_loss(self):
self.round_done = True
if self.debug:
print(">Debug: Round lost. Advancing to next round. \n")
def vs_continue(self, last_game_winner):
if self.debug:
print(">Debug: Advancing to next Vs game. \n")
if last_game_winner is 'P1':
self.run_steps(p2_vs_continue(self.frame_ratio))
elif last_game_winner is 'P2':
self.run_steps(p1_vs_continue(self.frame_ratio))
else:
raise EnvironmentError("Attempted to continue to new Vs game without a valid last game's winner")
p1_character_select_steps, p1_character_index = p1_select_character(
self.frame_ratio, self.p1_character_selection)
self.P1.set_character(p1_character_index)
#self.p1_character_name = self.umk3_character_list[self.p1_character]
p2_character_select_steps, p2_character_index = p2_select_character(
self.frame_ratio, self.p2_character_selection)
self.P2.set_character(p2_character_index)
#self.p2_character_name = self.umk3_character_list[self.p2_character]
self.run_steps(p1_character_select_steps)
self.run_steps(p2_character_select_steps)
self.wait_for_fight_start()
self.P1.expected_health, self.P2.expected_health = 0, 0
self.P1.expected_wins, self.P2.expected_wins = 0, 0
self.P1.expected_wins_check_done, self.P2.expected_wins_check_done = 0, 0
#self.expected_health = {"P1": 0, "P2": 0}
#self.expected_wins = {"P1": 0, "P2": 0}
#self.expected_wins_check_done = {"P1": 0, "P2": 0}
self.done = False
self.game_over = False
self.started = True
self.reset_this_round = False
self.round_this_stage = 1
self.expected_time_remaining = 0
self.time_remaining = 0
self.P1.total_rewards_this_round, self.P2.total_rewards_this_round = 0, 0
self.P1.total_rewards_this_game, self.P2.total_rewards_this_game = 0, 0
#self.total_rewards_this_round = {"P1": 0, "P2": 0}
#self.total_rewards_this_game = 0
self.stage = 0
def single_player_after_vs(self):
if self.debug:
print(">Debug: Waiting for game over screen...\n")
self.run_steps(vs_wait_for_game_over_screens(self.frame_ratio))
self.new_game()
def vs_after_single_player(self):
self.current_vs_rounds_before_single_player = self.vs_rounds_before_single_player
self.new_game_after_loss()
def on_vs_stage_done(self, last_game_winner):
# Set the game over flag to True
self.game_over = True
# Deduct 1 from the number of Vs games before benchmarking in single player
self.current_vs_rounds_before_single_player -= 1
# Set the last Vs stage's winner
self.last_vs_game_winner = last_game_winner
# Output total rewards for this stage
if self.debug:
print(">Debug: Total rewards for P1 this game: " +
str(self.P1.total_rewards_this_game))
print(">Debug: Total rewards for P2 this game: " +
str(self.P2.total_rewards_this_game))
# If more Vs games remain to be played, continue with Vs game
if self.current_vs_rounds_before_single_player > 0:
if self.debug:
print(">Debug: Vs stage done. " + str(self.current_vs_rounds_before_single_player) +
" Vs stage(s) remaining. \n")
# Else, continue to single player benchmarking with the winner of the last Vs game
else:
self.env_player = last_game_winner
if self.debug:
print(">Debug: Vs stages done. Continuing to story with last Vs stage's winner: " + self.env_player)
def on_vs_round_done(self):
self.round_done = True
if self.debug:
print(">Debug: Vs round done. Advancing to next round. \n")
# Checks whether the round or game has finished
def check_done(self, data):
# Get the time currently remaining from the two memory locations holding each of the two digits (from 99 to 00)
self.time_remaining = int(data["time_remaining_tens_digit"]) * 10 + int(data["time_remaining_ones_digit"])
# If a round has ended
if data["current_round_winsP1"] == self.P1.expected_wins_check_done + 1 \
or data["current_round_winsP2"] == self.P2.expected_wins_check_done + 1 \
or (data["healthP1"] == 0 and data["healthP2"] == 0) \
or (data["healthP1"] == data["healthP2"] and self.time_remaining == 0):
# (data["healthP1"] == 0 and data["healthP2"] == 0) or self.time_remaining == 0
# self.time_remaining == 0 check may trigger a bug
self.on_round_done()
if self.done:
# If the round wins of P1 have incremented, P1 has won a round!
if data["current_round_winsP1"] == self.P1.expected_wins_check_done + 1:
if self.debug:
print(">Debug: Game End Condition Met -> P1 wins have incremented in game's memory.")
print("P1 Health:" + str(data["healthP1"]) + " P2 Health:" + str(
data["healthP2"]) + " Current Time:" + str(self.time_remaining))
self.P1.expected_wins_check_done = data["current_round_winsP1"]
# If the agent is playing as player 1
if self.env_player is 'P1':
# If it has reached 2 round wins, P1 (agent) has won the stage
if data["current_round_winsP1"] == 2:
self.on_single_player_stage_win()
# If P1 (agent) hasn't reached the round win limit, proceed to the next round
else:
self.on_single_player_round_win()
# Else if the agent is playing as player 2
elif self.env_player is 'P2':
# If it has reached 2 round wins, P1 (agent) has won the stage
if data["current_round_winsP1"] == 2:
self.on_single_player_stage_loss()
# If P1 (agent) hasn't reached the round win limit, proceed to the next round
else:
self.on_single_player_round_loss()
# Else if this Vs self-play
else:
# If it has reached 2 round wins, P1 has won the Vs stage
if data["current_round_winsP1"] == 2:
self.on_vs_stage_done('P1')
# If P1 hasn't reached the round win limit, proceed to the next round
else:
self.on_vs_round_done()
# If the round wins of P2 have incremented, P2 has won a round!
elif data["current_round_winsP2"] == self.P2.expected_wins_check_done + 1:
if self.debug:
print(">Debug: Game End Condition Met -> P2 wins have incremented in game's memory.")
print("P1 Health:" + str(data["healthP1"]) + " P2 Health:" + str(
data["healthP2"]) + " Current Time:" + str(self.time_remaining))
self.P2.expected_wins_check_done = data["current_round_winsP2"]
# If the agent is playing as player 2
if self.env_player is 'P2':
# If it has reached 2 round wins, P2 (agent) has won the stage
if data["current_round_winsP2"] == 2:
self.on_single_player_stage_win()
# If P2 (agent) hasn't reached the round win limit, proceed to the next round
else:
self.on_single_player_round_win()
# Else if the agent is playing as player 1
elif self.env_player is 'P1':
# If agent is P1 and P2 (CPU) wins 2 rounds, the game is over for the agent
if data["current_round_winsP2"] == 2:
self.on_single_player_stage_loss()
# If P2 (CPU) hasn't reached the round win limit, proceed to the next round
else:
self.on_single_player_round_loss()
# Else if this Vs self-play
else:
# If it has reached 2 round wins, P2 has won the Vs stage
if data["current_round_winsP2"] == 2:
self.on_vs_stage_done('P2')
# If P2 hasn't reached the round win limit, proceed to the next round
else:
self.on_vs_round_done()
# If no round wins have incremented but both players' health has reached 0
# or the time has reached 00 and both players have equal health, it's a draw!
elif data["healthP1"] == 0 and data["healthP2"] == 0:
if self.debug:
print(">Debug: Game End Condition Met -> Both P1 and P2 health values have reached 0 (Draw).")
print("P1 Health:" + str(data["healthP1"]) + " P2 Health:" + str(
data["healthP2"]) + " Current Time:" + str(self.time_remaining))
print(">Debug: Draw! Advancing to next round. \n")
self.round_done = True
elif data["healthP1"] == data["healthP2"] and self.time_remaining == 0:
if self.debug:
print(
">Debug: Game End Condition Met -> Time has ran out with P1 and P2 health values equal (Draw).")
print("P1 Health:" + str(data["healthP1"]) + " P2 Health:" + str(
data["healthP2"]) + " Current Time:" + str(self.time_remaining))
print(">Debug: Draw! Advancing to next round. \n")
self.round_done = True
else:
raise EnvironmentError('Done flag enabled but game done condition not detected in check_done')
return data
def reset(self):
if self.game_over:
if not self.self_play:
self.new_game_after_loss()
else:
if self.env_player is 'Vs' and not self.finished_single_player:
self.vs_continue(self.last_vs_game_winner)
elif self.env_player is 'Vs' and self.finished_single_player:
self.vs_after_single_player()
else:
self.single_player_after_vs()
elif self.game_completed:
self.new_game_after_completion()
elif self.stage_done:
self.next_stage()
elif self.round_done:
self.next_round()
else:
raise EnvironmentError("Reset called while gameplay still running")
def log_stage_milestone(self):
assert(self.env_player is 'P1' or self.env_player is 'P2')
# Create milestones folder if it does not exist
if not os.path.exists('milestones'):
os.mkdir('milestones')
# Create a text file called the [name of the environment] + "_milestones" if it does not exist
# Open the text file with write permission
if not self.logged_first_milestone:
# If this is a new training, create or overwrite existing milestones file
f = open(os.path.join('milestones', self.env_id + '_milestones.txt'), 'w+')
else:
# If this is a continuation from a previous session and a milestone file exists,
# append to the milestones file
f = open(os.path.join('milestones', self.env_id + '_milestones.txt'), 'a+')
# Create a newline
f.write('\n')
# Write the milestone
f.write(self.env_id + " has managed to defeat stage " + str(self.stage) + " after " +
str(self.total_episodes_played) + " total episodes playing as " + self.env_player + " with " +
self.P1.character_name if self.env_player is 'P1' else self.P2.character_name + ".\r\n")
# Close the milestones file
f.close()
def log_milestone(self):
assert(self.env_player is 'P1' or self.env_player is 'P2')
# Create milestones folder if it does not exist
if not os.path.exists('milestones'):
os.mkdir('milestones')
# Create a text file called the [name of the environment] + "_milestones" if it does not exist
# Open the text file with write permission
if not self.logged_first_milestone:
# If this is a new training, create or overwrite existing milestones file
f = open(os.path.join('milestones', self.env_id + '_milestones.txt'), 'w+')
else:
# If this is a continuation from a previous session and a milestone file exists,
# append to the milestones file
f = open(os.path.join('milestones', self.env_id + '_milestones.txt'), 'a+')
# Create a newline
f.write('\n')
# Write the milestone
f.write(self.env_id + " has managed to complete the " + str(self.path) + " path on the "
+ str(self.difficulties[self.difficulty]) + " difficulty after " + str(self.total_episodes_played)
+ " total episodes as " + self.env_player + " with " + self.P1.character_name if self.env_player is 'P1'
else self.P2.character_name + ".\r\n")
# Close the milestones file
f.close()
# Safely closes emulator
def close(self):
self.emu.close()
