Files
easy-rl/codes/snake/utils.py
JohnJim0816 f0d19ac14f add snake
2020-09-08 13:29:47 +08:00

55 lines
1.4 KiB
Python

import numpy as np
DISPLAY_SIZE = 560
GRID_SIZE = 40
WALL_SIZE = 40
WHITE = (255, 255, 255)
RED = (255, 0, 0)
BLUE = (72, 61, 139)
BLACK = (0, 0, 0)
GREEN = (0, 255, 0)
NUM_ADJOINING_WALL_X_STATES=3
NUM_ADJOINING_WALL_Y_STATES=3
NUM_FOOD_DIR_X=3
NUM_FOOD_DIR_Y=3
NUM_ADJOINING_BODY_TOP_STATES=2
NUM_ADJOINING_BODY_BOTTOM_STATES=2
NUM_ADJOINING_BODY_LEFT_STATES=2
NUM_ADJOINING_BODY_RIGHT_STATES=2
NUM_ACTIONS = 4
CHECKPOINT = 'checkpoint.npy'
def create_q_table():
return np.zeros((NUM_ADJOINING_WALL_X_STATES, NUM_ADJOINING_WALL_Y_STATES, NUM_FOOD_DIR_X, NUM_FOOD_DIR_Y,
NUM_ADJOINING_BODY_TOP_STATES, NUM_ADJOINING_BODY_BOTTOM_STATES, NUM_ADJOINING_BODY_LEFT_STATES,
NUM_ADJOINING_BODY_RIGHT_STATES, NUM_ACTIONS))
def sanity_check(arr):
if (type(arr) is np.ndarray and
arr.shape==(NUM_ADJOINING_WALL_X_STATES, NUM_ADJOINING_WALL_Y_STATES, NUM_FOOD_DIR_X, NUM_FOOD_DIR_Y,
NUM_ADJOINING_BODY_TOP_STATES, NUM_ADJOINING_BODY_BOTTOM_STATES, NUM_ADJOINING_BODY_LEFT_STATES,
NUM_ADJOINING_BODY_RIGHT_STATES,NUM_ACTIONS)):
return True
else:
return False
def save(filename, arr):
if sanity_check(arr):
np.save(filename,arr)
return True
else:
print("Failed to save model")
return False
def load(filename):
try:
arr = np.load(filename)
if sanity_check(arr):
print("Loaded model successfully")
return arr
print("Model loaded is not in the required format")
return None
except:
print("Filename doesnt exist")
return None