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Windy_World_Grid_Enviroment.py
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Windy_World_Grid_Enviroment.py
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from header_import import *
class Windy_World(object):
def __init__(self, action_type, wind_type):
self.action_type = action_type
self.wind_action = wind_type
if self.action_type == "regular":
self.action_space = [0, 1, 2, 3]
elif self.action_type == "king":
self.action_space = [0, 1, 2, 3, 4, 5, 6, 7]
elif self.action_type == "king_zero":
self.action_space = [0, 1, 2, 3, 4, 5, 6, 7, 8]
self.start = (0, 3)
self.goal = (7, 3)
def action_type_space(self):
return self.action_space
def reset(self):
self.x_position, self.y_position = self.start
return self.start
def step(self, action):
self.x_position, self.y_position = self.transition(self.x_position, self.y_position, action)
if self.x_position == self.goal[0] and self.y_position == self.goal[1]:
return True, -1, (self.x_position, self.y_position)
return False, -1, (self.x_position, self.y_position)
def transition(self, x, y, action):
if x in [3, 4, 5, 8]:
y += 1
if x in [6, 7]:
y += 2
if self.action_type == "regular":
if action == 0:
x -= 1
elif action == 1:
y -= 1
elif action == 2:
x += 1
elif action == 3:
y += 1
elif self.action_type == "king":
if x in [6,7]:
if self.wind_action == "not_regular":
prob = random.random()
if prob < 0.33:
y += 1
elif prob < 0.66 and prob > 0.33:
y = y
elif prob < 1 and prob > 0.66:
y -= 1
if action == 0:
x -= 1
elif action == 1:
y -= 1
elif action == 2:
x += 1
elif action == 3:
y += 1
elif action == 4:
x -= 1
y -= 1
elif action == 5:
x -= 1
y += 1
elif action == 6:
x += 1
y -= 1
elif action == 7:
x += 1
y += 1
elif self.action_type == "king_zero":
if action == 0:
x -= 1
elif action == 1:
y -= 1
elif action == 2:
x += 1
elif action == 3:
y += 1
elif action == 4:
x -= 1
y -= 1
elif action == 5:
x -= 1
y += 1
elif action == 6:
x += 1
y -= 1
elif action == 7:
x += 1
y += 1
elif action == 0:
x += 0
y += 0
x = np.clip(x, 0, 9)
y = np.clip(y, 0, 6)
return x, y
class Grid_World(object):
def __init__(self, action_type, wind_type):
self.action_type = action_type
self.wind_action = wind_type
if self.action_type == "regular":
self.action_space = [0, 1, 2, 3]
elif self.action_type == "big world":
self.action_space = [0, 1, 2, 3]
self.start = (0, 0)
self.goal = (2, 2)
def action_type_space(self):
return self.action_space
def reset(self):
self.x_position, self.y_position = self.start
return self.start
def step(self, action):
self.x_position, self.y_position = self.transition(self.x_position, self.y_position, action)
if self.x_position == self.goal[0] and self.y_position == self.goal[1]:
return True, 5, (self.x_position, self.y_position)
if random.random() < 0.5:
if self.x_position in range(-1,3) and self.y_position == -1:
return False, -12, (self.x_position, self.y_position)
elif self.x_position in range(-1,3) and self.y_position == 3:
return False, -12, (self.x_position, self.y_position)
elif self.x_position == -1 and self.y_position in range(-1,3):
return False, -12, (self.x_position, self.y_position)
elif self.x_position == 3 and self.y_position in range(-1,3):
return False, -12, (self.x_position, self.y_position)
else:
return False, -12, (self.x_position, self.y_position)
else:
if self.x_position in range(-1,3) and self.y_position == -1:
return False, 10, (self.x_position, self.y_position)
elif self.x_position in range(-1,3) and self.y_position == 3:
return False, 10, (self.x_position, self.y_position)
elif self.x_position == -1 and self.y_position in range(-1,3):
return False, 10, (self.x_position, self.y_position)
elif self.x_position == 3 and self.y_position in range(-1,3):
return False, 10, (self.x_position, self.y_position)
else:
return False, 10, (self.x_position, self.y_position)
def transition(self, x, y, action):
if action == 0:
x -= 1
elif action == 1:
y -= 1
elif action == 2:
x += 1
elif action == 3:
y += 1
x = np.clip(x, 0, 2)
y = np.clip(y, 0, 2)
return x, y