class Engine:
def __init__(self, ioSystem):
self.ioSystem = ioSystem
self.loadLevel("1")
def loadLevel(self, level):
self.level = Level(level)
self.player = Player(self.level.spawnLocation, self.ioSystem)
def battle(self, attacker, defender):
"""Perform a battle"""
while attacker.isAlive():
action = attacker.getBattleAction(defender)
if action == Action.Battle.Attack:
damage = attacker.attack - defender.defence
if damage <= 0: # Defence > attack
self.ioSystem.attackMissed(attacker, defender)
else:
self.ioSystem.attackHit(attacker, defender, damage)
defender.hp -= damage
elif action == Action.Battle.Run:
if chance(0.50):
self.ioSystem.runSuccess(attacker, defender)
return
else:
self.ioSystem.runFailed(attacker, defender)
else:
raise Exception("Invalid battle action: %s" % action)
attacker, defender = defender, attacker
def move(self, player, direction):
"""Move the player in [direction]."""
position = player.position
# Get a copy of the players position and move it to the destination
nextPosition = position.copy()
nextPosition.move(direction)
nextTile = self.level.at(nextPosition)
if nextTile.canEnter(player):
player.position = nextPosition
nextTile.onEnter(player, self)
self.ioSystem.enteredLocation(nextPosition)
def replaceTile(self, location, tile):
self.level.setTile(location, tile)
def teleport(self, player, position):
self.player.position = position
self.ioSystem.teleported(position)
def run(self):
while True:
action = self.ioSystem.getWorldAction(self.player)
self.move(self.player, action)
