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godot.py
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godot.py
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from socket import socket
from array import array
from neat.genes import DefaultNodeGene
from neat.genes import DefaultConnectionGene
import struct
import neat
FWD = 0
ROT_LEFT = 1
BWD = 2
ROT_RIGHT = 3
def array_to_key(vals: list):
highest_i = -1
for i in range(vals.__len__()):
if vals[i] > vals[highest_i]:
highest_i = i
return highest_i
class Pacman:
dots = {}
walls = {}
ghosts = {}
powered = False,
score = 0.0
alive = 1
def __init__(self):
self.dots = {
"left": 0,
"front": 0,
"right": 0,
"back": 0,
}
self.walls = {
"left": 0,
"front": 0,
"right": 0,
"back": 0,
}
self.ghosts = {
"left": 0,
"front": 0,
"right": 0,
"back": 0,
}
self.powered = False
self.score = 0
self.alive = 1
def to_array(self):
return (self.dots["left"],
self.dots["front"],
self.dots["right"],
self.dots["back"],
self.walls["left"],
self.walls["front"],
self.walls["right"],
self.walls["back"],
self.ghosts["left"],
self.ghosts["front"],
self.ghosts["right"],
self.ghosts["back"],
1 if self.powered else 0)
class Godot:
_cnx: socket = None
_pacman: Pacman = None
def __init__(self, cnx: socket):
self._cnx = cnx
self._pacman = Pacman()
assert(self.read_string() == "CNX")
# region read_*
def read_uint(self):
bs = self._cnx.recv(4)
assert(bs.__len__() == 4)
return struct.unpack("=I", bs)[0]
def read_double_uint(self):
bs = self._cnx.recv(8)
assert(bs.__len__() == 8)
return struct.unpack("=Q", bs)[0]
def read_float(self):
bs = self._cnx.recv(4)
assert(bs.__len__() == 4)
return struct.unpack("=f", bs)[0]
def read_string(self):
str_size = self.read_uint()
string = self._cnx.recv(str_size).decode("utf-8")
return string
# endregion
# region Send
def send_arr(self, arr: list):
self._cnx.send(array("B", arr))
def send_uint(self, n: int):
self._cnx.send(array("B", [n]))
def send_float(self, n: float):
self._cnx.send(struct.pack("f", n))
# endregion
def move(self, dir=int):
if dir == -1:
return
self.send_arr([0xFF, dir])
def update(self):
print("Updating internal state")
self._dots_dist = []
self.send_arr([0xFE, 0xFE])
print("Req. sent")
print("Is Pacman alive?")
self._pacman.alive = self.read_uint()
if self._pacman.alive == 0:
return False
print("Reading dots")
dots_keys = self._pacman.dots.keys()
for key in self._pacman.dots.keys():
self._pacman.dots[key] = self.read_float()
print("Reading walls")
for key in self._pacman.walls.keys():
self._pacman.walls[key] = self.read_float()
print("Reading ghosts")
for key in self._pacman.ghosts.keys():
self._pacman.ghosts[key] = self.read_float()
self._pacman.score = float(self.read_uint())
print("Done updating")
return True
def quit(self):
print("Quit")
self.send_arr([0xFE, 0x00])
def to_array(self):
return self._pacman.to_array()
# def send_genome(self, genome: neat.DefaultGenome):
# self.send_uint(0xFE)
# self.send_uint(0xF0)
# for key in genome.nodes.keys():
# neuron: DefaultNodeGene = genome.nodes[key]
# print("Sending ", genome.nodes.__len__(), " neurons")
# self.send_uint(genome.nodes.__len__())
# print("Sending ", genome.connections.keys().__len__(), " connections")
# self.send_uint(genome.connections.keys().__len__())
# for key in genome.connections.keys():
# connection: DefaultConnectionGene = genome.connections[key]
# print(connection)
# from_n = connection.key[0]
# to_n = connection.key[1]
# weight = connection.weight
# self.send_uint(from_n+13)
# self.send_uint(to_n+13)
# self.send_float(weight)