class Wife(BaseEntity):
"""Wife Elsa, scourge of the goats.
Note: The constructor doesn't take any actual args, but this syntax is
needed to call the __init__ method of the superclass. I'm not sure that
we need to do so here, but it will be a useful reminder for later.
"""
def __init__(self, *args):
super(Wife, self).__init__(*args)
self.name = "Wife Elsa"
self.location = SHACK
#self.gold = 0
#self.bank = 0
#self.thirst = 0
#self.fatigue = 0
# Set up the FSM for this entity
self.fsm = StateMachine(self)
self.fsm.set_state(DoHouseWork(),GlobalWifeState(),None)
def update(self):
"""Updates the FSM logic, and nothing else."""
self.fsm.update()
def receive_msg(self,message):
# Let the FSM handle any messages
self.fsm.handle_msg(message)
def change_location(self,newlocation):
self.location = newlocation
class Attacker(BaseEntity):
"""Comment this class before they breach the walls!!!
"""
def __init__(self, *args):
self.wall = args[2]
args = (args[0], args[1])
super(Attacker, self).__init__(*args)
self.name = "Attacker"
self.current_ladder = None
self.current_height = 0
print("%s : Ready for battle!" % self.name)
# Set up the FSM for this entity
self.fsm = StateMachine(self)
self.fsm.set_state(AttackerWait(), GlobalAttackerState(), None)
def update(self):
self.fsm.update()
def receive_msg(self, message):
# Let the FSM handle any messages
self.fsm.handle_msg(message)
def start_climb(self, height=1):
if self.wall.is_ladder(self.current_ladder):
self.current_height = 1
print("%s : Started climbing at space %d." % (self.name, self.current_ladder))
return True
else:
return False
def climb(self, rungs=1):
if self.wall.is_ladder(self.current_ladder):
self.current_height += rungs
print("%s : Climbing at space %d; height now %d." % (self.name, self.current_ladder, self.current_height))
return True
else:
return False
def fall_down(self):
print("%s : Fell from ladder at space %d." % (self.name, self.current_ladder))
self.current_ladder = None
self.current_height = 0
class Sentry(BaseEntity):
"""Sentry entity. Comment me!
"""
# Game behaviour constants
FATIGUE_LIGHT = 5
FATIGUE_HEAVY = 20
FATIGUE_IMMOBILE = 30
FATIGUE_MOVE_COST = 3
FATIGUE_KNOCKDOWN_COST = 5
FATIGUE_RECOVERY = 7
# TODO: There were inconsistencies in the specification for Patrol
# regarding what distance the ladders could be detected at. These are
# my best guesses, but the code should be checked.
SIGHT_PATROL = 3
SIGHT_REST = 2
def __init__(self, *args):
self.wall = args[2]
args = (args[0], args[1])
super(Sentry, self).__init__(*args)
self.name = "Sentry"
self.location = 0
self.fatigue = 0
# Keep track of current direction (for PATROL)
# This should be either +1 or -1
self.direction = 1
# Queue to keep track of what ladders to knock down
self.task_queue = []
self.current_task = None
print("%s : Ready for battle!" % self.name)
# Set up the FSM for this entity
self.fsm = StateMachine(self)
self.fsm.set_state(SentryPatrol(), GlobalSentryState(), None)
def update(self):
"""Update the sentry's FSM logic."""
self.fsm.update()
def receive_msg(self, message):
# Let the FSM handle any messages
self.fsm.handle_msg(message)
def move(self, spaces, direction=None):
"""Move the sentry along the wall.
The sentry will attempt to move the given number of spaces. If the
direction is not given, continue in current direction.
Note: Even though the official requirements say that the sentry can
move at most one space, this function can handle multiple spaces.
"""
# If no direction given, use our current one.
if direction is None:
direction = self.direction
new_location = self.location + spaces * direction
new_location = min(max(0, new_location), WALL_MAX)
cost = abs(self.location - new_location) * Sentry.FATIGUE_MOVE_COST
self.location = new_location
print("%s : Now at space %d." % (self.name, self.location))
self.change_fatigue(cost)
def about_face(self):
"""The sentry turns to face the opposite direction."""
self.direction *= -1
print("%s : About face! Now facing %d" % (self.name, self.direction))
def change_fatigue(self, amount):
self.fatigue += amount
if self.fatigue < 0:
self.fatigue = 0
def get_task_from_queue(self):
"""Finds the first vaild item on the task_queue (which ladder needs
to be knocked down), and sets the current_task."""
try:
space = self.task_queue.pop(0)
print("%s : There's a ladder at space %d." % (self.name, space))
except IndexError:
self.current_task = None
return
if self.wall.is_ladder(space):
self.current_task = space
else:
self.current_task = None
def add_task_to_queue(self, space, check_duplicates=False):
"""Adds a new task to the end of our queue.
Note: Does not check for duplicate tasks unless explicitly told to.
"""
if check_duplicates is True:
if space in self.task_queue:
return False
self.task_queue.append(space)
return True
def knockdown_ladder(self):
# In order to check for errors, LADDER_DISPLACED message will be sent
# by the wall, which then notifies attackers and scores point.
if self.wall.knockdown_ladder(self.location):
print("%s : Ladder down, huzzah!" % self.name)
self.change_fatigue(Sentry.FATIGUE_KNOCKDOWN_COST)
self.get_task_from_queue()
class Miner(BaseEntity):
"""Miner Bob.
Note: The constructor doesn't take any actual args, but this syntax is
needed to call the __init__ method of the superclass. I'm not sure that
we need to do so here, but it will be a useful reminder for later.
"""
def __init__(self, *args):
super(Miner, self).__init__(*args)
self.name = "Miner Bob"
self.location = SHACK
self.gold = 0
self.bank = 0
self.thirst = 0
self.fatigue = 0
# Set up the FSM for this entity
self.fsm = StateMachine(self)
self.fsm.set_state(DigInMine(),GlobalMinerState(),None)
#self.fsm.change_state(DigInMine())
def update(self):
"""Increases thirst and updates the FSM logic."""
self.thirst += 1
self.fsm.update()
def receive_msg(self,message):
# print("%s: Got me a message of type %d!" % (self.name,msg_type))
# Let the FSM handle any messages
self.fsm.handle_msg(message)
def change_location(self,newlocation):
"""Move to another location
Location constants are enumerated in gamedata.py
"""
self.location = newlocation
def change_gold(self,amount):
"""Add/subtract the amount of gold currently carried
Parameters
----------
amount: int
Amount of gold to add (or subtract, if negative)
"""
self.gold += amount
#print("[[%s]] : Now carrying %d gold nuggets." % (self.name, self.gold))
def pockets_full(self):
"""Queries whether this entity is carrying enough gold."""
return (self.gold >= 3)
def add_fatigue(self,amount=1):
"""Increases the current fatigue of this entity."""
self.fatigue += amount
#print("[[%s]] : Now at fatigue level %d." % (self.name,self.fatigue))
def remove_fatigue(self,amount=1):
"""Remove fatigue from this entity, but not below zero."""
self.fatigue -= amount
if self.fatigue < 0:
self.fatigue = 0
def is_thirsty(self):
"""Queries if this entity has too much current thirst."""
return (self.thirst > 7)
def remove_thirst(self,amount):
"""Remove thirst from this entity, but not below zero."""
self.thirst -= amount
if self.thirst < 0:
self.thirst = 0
def work_done(self):
"""Returns True if more than 10 gold in the bank.
Note
----
Fix this! Once there is 10 gold or more in the bank, the Miner
will go home after each bank deposit. We don't want that.
"""
return (self.bank >= 10)