aima-python/gui/vacuum_agent.py at master · LawrenceELee/aima-python · GitHub

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import os.path

from tkinter import *

from agents import *

sys.path.append(os.path.join(os.path.dirname(__file__), '..'))

loc_A, loc_B = (0, 0), (1, 0) # The two locations for the Vacuum world

class Gui(Environment):

"""This GUI environment has two locations, A and B. Each can be Dirty

or Clean. The agent perceives its location and the location's

status."""

def __init__(self, root, height=300, width=380):

super().__init__()

self.status = {loc_A: 'Clean',

loc_B: 'Clean'}

self.root = root

self.height = height

self.width = width

self.canvas = None

self.buttons = []

self.create_canvas()

self.create_buttons()

def thing_classes(self):

"""The list of things which can be used in the environment."""

return [Wall, Dirt, ReflexVacuumAgent, RandomVacuumAgent,

TableDrivenVacuumAgent, ModelBasedVacuumAgent]

def percept(self, agent):

"""Returns the agent's location, and the location status (Dirty/Clean)."""

return agent.location, self.status[agent.location]

def execute_action(self, agent, action):

"""Change the location status (Dirty/Clean); track performance.

Score 10 for each dirt cleaned; -1 for each move."""

if action == 'Right':

agent.location = loc_B

agent.performance -= 1

elif action == 'Left':

agent.location = loc_A

agent.performance -= 1

elif action == 'Suck':

if self.status[agent.location] == 'Dirty':

if agent.location == loc_A:

self.buttons[0].config(bg='white', activebackground='light grey')

else:

self.buttons[1].config(bg='white', activebackground='light grey')

agent.performance += 10

self.status[agent.location] = 'Clean'

def default_location(self, thing):

"""Agents start in either location at random."""

return random.choice([loc_A, loc_B])

def create_canvas(self):

"""Creates Canvas element in the GUI."""

self.canvas = Canvas(

self.root,

width=self.width,

height=self.height,

background='powder blue')

self.canvas.pack(side='bottom')

def create_buttons(self):

"""Creates the buttons required in the GUI."""

button_left = Button(self.root, height=4, width=12, padx=2, pady=2, bg='white')

button_left.config(command=lambda btn=button_left: self.dirt_switch(btn))

self.buttons.append(button_left)

button_left_window = self.canvas.create_window(130, 200, anchor=N, window=button_left)

button_right = Button(self.root, height=4, width=12, padx=2, pady=2, bg='white')

button_right.config(command=lambda btn=button_right: self.dirt_switch(btn))

self.buttons.append(button_right)

button_right_window = self.canvas.create_window(250, 200, anchor=N, window=button_right)

def dirt_switch(self, button):

"""Gives user the option to put dirt in any tile."""

bg_color = button['bg']

if bg_color == 'saddle brown':

button.config(bg='white', activebackground='light grey')

elif bg_color == 'white':

button.config(bg='saddle brown', activebackground='light goldenrod')

def read_env(self):

"""Reads the current state of the GUI."""

for i, btn in enumerate(self.buttons):

if i == 0:

if btn['bg'] == 'white':

self.status[loc_A] = 'Clean'

else:

self.status[loc_A] = 'Dirty'

else:

if btn['bg'] == 'white':

self.status[loc_B] = 'Clean'

else:

self.status[loc_B] = 'Dirty'

def update_env(self, agent):

"""Updates the GUI according to the agent's action."""

self.read_env()

# print(self.status)

before_step = agent.location

self.step()

# print(self.status)

# print(agent.location)

move_agent(self, agent, before_step)

def create_agent(env, agent):

"""Creates the agent in the GUI and is kept independent of the environment."""

env.add_thing(agent)

# print(agent.location)

if agent.location == (0, 0):

env.agent_rect = env.canvas.create_rectangle(80, 100, 175, 180, fill='lime green')

env.text = env.canvas.create_text(128, 140, font="Helvetica 10 bold italic", text="Agent")

else:

env.agent_rect = env.canvas.create_rectangle(200, 100, 295, 180, fill='lime green')

env.text = env.canvas.create_text(248, 140, font="Helvetica 10 bold italic", text="Agent")

def move_agent(env, agent, before_step):

"""Moves the agent in the GUI when 'next' button is pressed."""

if agent.location == before_step:

pass

else:

if agent.location == (1, 0):

env.canvas.move(env.text, 120, 0)

env.canvas.move(env.agent_rect, 120, 0)

elif agent.location == (0, 0):

env.canvas.move(env.text, -120, 0)

env.canvas.move(env.agent_rect, -120, 0)

# TODO: Add more agents to the environment.

# TODO: Expand the environment to XYEnvironment.

if __name__ == "__main__":

root = Tk()

root.title("Vacuum Environment")

root.geometry("420x380")

root.resizable(0, 0)

frame = Frame(root, bg='black')

# reset_button = Button(frame, text='Reset', height=2, width=6, padx=2, pady=2, command=None)

# reset_button.pack(side='left')

next_button = Button(frame, text='Next', height=2, width=6, padx=2, pady=2)

next_button.pack(side='left')

frame.pack(side='bottom')

env = Gui(root)

agent = ReflexVacuumAgent()

create_agent(env, agent)

next_button.config(command=lambda: env.update_env(agent))

root.mainloop()

aima-python/gui/vacuum_agent.py at master · LawrenceELee/aima-python · GitHub

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