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import random
import time
import threading
from tkinter import *
import Pyro5.errors
import Pyro5.api
import robot
import remote
class VisibleRobot(robot.Robot):
"""represents a robot that is visible on the screen."""
def __init__(self, name, position, direction, grid, color='red'):
super(VisibleRobot, self).__init__(name, (grid.width, grid.height), position, direction)
self.grid = grid
x = self.x * grid.squaresize
y = self.y * grid.squaresize
self.tkid = grid.create_rectangle(x, y, x + grid.squaresize, y + grid.squaresize, fill=color, outline='black')
self.text_tkid = None
def popuptext(self, text, sticky=False):
if self.text_tkid:
self.grid.delete(self.text_tkid)
self.text_tkid = self.grid.create_text(self.x * self.grid.squaresize, self.y * self.grid.squaresize, text=text, anchor=CENTER, fill='red')
self.text_timer = time.time()
if not sticky:
self.grid.after(1000, self.__removetext, self.text_tkid)
def delete_from_grid(self):
self.grid.delete(self.tkid)
if self.text_tkid:
self.grid.delete(self.text_tkid)
def __removetext(self, textid):
self.grid.delete(textid)
if textid == self.text_tkid:
self.text_tkid = None
def move(self, world=None):
super(VisibleRobot, self).move(world)
x = self.x * self.grid.squaresize
y = self.y * self.grid.squaresize
self.grid.coords(self.tkid, x, y, x + self.grid.squaresize, y + self.grid.squaresize)
if self.text_tkid:
# also move the popup text
self.grid.coords(self.text_tkid, self.x * self.grid.squaresize, self.y * self.grid.squaresize)
def died(self, killer, world):
self.popuptext("ARGH I died")
self.observer.death(killer=killer)
self.grid.after(800, lambda: self.grid.delete(self.tkid))
def collision(self, other):
self.popuptext("Bam!")
other.popuptext("ouch")
def emote(self, text):
self.popuptext(text, False)
class RobotGrid(Canvas):
def __init__(self, parent, width, height, squaresize=20):
self.squaresize = squaresize
self.width = width
self.height = height
pixwidth = width * self.squaresize
pixheight = height * self.squaresize
Canvas.__init__(self, parent, width=pixwidth, height=pixheight, background='#e0e0e0')
self.xview_moveto(0)
self.yview_moveto(0)
for x in range(width):
self.create_line(x * self.squaresize, 0, x * self.squaresize, pixheight, fill='#d0d0d0')
for y in range(height):
self.create_line(0, y * self.squaresize, pixwidth, y * self.squaresize, fill='#d0d0d0')
def draw_wall(self, wall, color='navy'):
x = wall.x * self.squaresize
y = wall.y * self.squaresize
self.create_rectangle(x, y, x + self.squaresize, y + self.squaresize, fill=color, outline=color)
class GameEngine(object):
def __init__(self, gui, world):
self.gui = gui
self.grid = gui.grid
self.world = world
self.build_walls()
self.gui.buttonhandler = self
self.survivor = None
self.open_for_signups = True
self.iteration = 0
def button_clicked(self, button):
if button == "add_bot" and self.open_for_signups:
for i in range(5):
name = "local_bot_%d" % self.gui.listbox.size()
gameobserver = remote.LocalGameObserver(name)
robot = self.signup_robot(name, gameobserver)
gameobserver.robot = robot
elif button == "start_round":
self.open_for_signups = False
if self.survivor:
self.survivor.delete_from_grid()
self.gui.enable_buttons(False)
self.start_round()
def start_round(self):
self.gui.statuslabel.config(text="new round!")
print("WORLD:")
for line in self.world.dump():
print("|", line.decode(), "|")
print("NUMBER OF ROBOTS: %d" % len(self.world.robots))
# make sure the observers of all robots are owned by this thread (if they're a Pyro proxy)
for robot in self.world.robots:
if isinstance(robot.observer, Pyro5.api.Proxy):
robot.observer._pyroClaimOwnership()
txtid = self.grid.create_text(20, 20, text="GO!", font=("Courier", 120, "bold"), anchor=NW, fill='purple')
self.grid.after(1500, lambda: self.grid.delete(txtid))
self.grid.after(2000, self.update)
self.grid.after(2000, self.notify_start)
self.iteration = 0
def notify_start(self):
for robot in self.world.robots:
robot.observer.start()
def notify_worldupdate(self):
self.iteration += 1
for robot in self.world.robots:
robot.observer.world_update(self.iteration, self.world, robot)
def notify_winner(self, winner):
winner.observer.victory()
def update(self):
for robot in self.world.robots:
robot.move(self.world)
self.notify_worldupdate()
self.gui.statuslabel.config(text="survivors: %d" % len(self.world.robots))
if len(self.world.robots) < 1:
print("[server] No results.")
self.round_ends()
elif len(self.world.robots) == 1:
self.survivor = self.world.robots[0]
self.world.remove(self.survivor)
self.survivor.popuptext("I WIN! HURRAH!", True)
print("[server] %s wins!" % self.survivor.name)
self.gui.statuslabel.config(text="winner: %s" % self.survivor.name)
self.notify_winner(self.survivor)
self.round_ends()
else:
self.gui.tk.after(40, self.update)
def round_ends(self):
self.gui.listbox.delete(0, END)
self.gui.enable_buttons(True)
self.open_for_signups = True
def build_walls(self):
wall_offset = 4
wall_size = 10
for x in range(wall_size):
wall = robot.Wall((x + wall_offset, wall_offset))
self.world.add_wall(wall)
self.grid.draw_wall(wall)
wall = robot.Wall((x + wall_offset, wall_size + wall_offset + 1))
self.world.add_wall(wall)
self.grid.draw_wall(wall)
wall = robot.Wall((wall_offset, x + wall_offset + 1))
self.world.add_wall(wall)
self.grid.draw_wall(wall)
wall = robot.Wall((wall_size + wall_offset + 2, x + wall_offset + 1))
self.world.add_wall(wall)
self.grid.draw_wall(wall)
def signup_robot(self, name, observer=None):
if not self.open_for_signups:
raise RuntimeError("signups are closed, try again later")
for robot in self.world.robots:
if robot.name == name:
raise ValueError("that name is already taken")
colorint = random.randint(0, 0xFFFFFF)
color = '#%06x' % colorint
inversecolor = 'black'
self.gui.listbox.insert(END, name)
self.gui.listbox.itemconfig(END, bg=color, fg=inversecolor)
while True:
x = random.randint(0, self.grid.width - 1)
y = random.randint(int(self.grid.height * 0), self.grid.height - 1)
if not self.world.collides(x, y):
break
robot = VisibleRobot(name, (x, y), (0, 0), self.grid, color=color)
self.world.add_robot(robot)
robot.observer = observer
robot.popuptext(name)
return remote.RemoteBot(robot, self)
def remove_robot(self, robot):
robot.delete_from_grid()
self.world.remove(robot)
# listnames=list(self.gui.listbox.get(0,END))
# listnames.remove(robot.name)
# self.gui.listbox.delete(0,END)
# self.gui.listbox.insert(END,*listnames)
class GUI(object):
def __init__(self, width, height):
self.tk = Tk()
self.tk.wm_title("bot destruction derby")
lframe = Frame(self.tk, borderwidth=3, relief="raised", padx=2, pady=2, background='#808080')
self.grid = RobotGrid(lframe, width, height, squaresize=16)
rframe = Frame(self.tk, padx=2, pady=2)
rlabel = Label(rframe, text="Signups:")
rlabel.pack(fill=X)
self.listbox = Listbox(rframe, width=15, height=20, font=(None, 8))
self.listbox.pack()
self.addrobotbutton = Button(rframe, text="Add 5 local bots", command=lambda: self.buttonhandler.button_clicked("add_bot"))
self.addrobotbutton.pack()
self.startbutton = Button(rframe, text="Start round!", command=lambda: self.buttonhandler.button_clicked("start_round"))
self.startbutton.pack()
self.statuslabel = Label(rframe, width=20)
self.statuslabel.pack(side=BOTTOM)
self.grid.pack()
lframe.pack(side=LEFT)
rframe.pack(side=RIGHT, fill=BOTH)
self.buttonhandler = None
def enable_buttons(self, enabled=True):
if enabled:
self.addrobotbutton.config(state=NORMAL)
self.startbutton.config(state=NORMAL)
else:
self.addrobotbutton.config(state=DISABLED)
self.startbutton.config(state=DISABLED)
class PyroDaemonThread(threading.Thread):
def __init__(self, engine):
threading.Thread.__init__(self)
self.pyroserver = remote.GameServer(engine)
self.pyrodaemon = Pyro5.api.Daemon()
self.daemon = True
def run(self):
ns = Pyro5.api.locate_ns()
with self.pyrodaemon:
with ns:
uri = self.pyrodaemon.register(self.pyroserver)
ns.register("example.robotserver", uri)
print("Pyro server registered on %s" % self.pyrodaemon.locationStr)
self.pyrodaemon.requestLoop()
# register the Robot class with Pyro's serializers:
Pyro5.api.SerializerBase.register_class_to_dict(VisibleRobot, robot.Robot.robot_to_dict)
def main():
width = 25
height = 25
gui = GUI(width, height)
world = robot.World(width, height)
engine = GameEngine(gui, world)
try:
PyroDaemonThread(engine).start()
except Pyro5.errors.NamingError:
print("Can't find the Pyro Nameserver. Running without remote connections.")
gui.tk.mainloop()
if __name__ == "__main__":
main()
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