def __init__(self, level):
enters =[(0, i) for i in xrange(GAME_Y_SIZE)]
exits = [(GAME_X_SIZE - 1, i) for i in xrange(GAME_Y_SIZE)]
self.field = Field(GAME_X_SIZE, GAME_Y_SIZE, enters, exits)
self.creeps = pygame.sprite.Group()
self.towers = pygame.sprite.Group()
self.missles = pygame.sprite.Group()
self.corpse = pygame.sprite.Group()
self.messages = pygame.sprite.Group()
self.ticks_elapsed = 0
self.sell_factor = level.SELL_FACTOR
self.curwaves = set()
self.creepwave = Starter(
level.CREEP_WAVES,
self.start_wave, start=False)
self.money = level.INIT_MONEY
self.lives = level.LIVES
self.wave_index = 0
class World(object):
def __init__(self, level):
enters =[(0, i) for i in xrange(GAME_Y_SIZE)]
exits = [(GAME_X_SIZE - 1, i) for i in xrange(GAME_Y_SIZE)]
self.field = Field(GAME_X_SIZE, GAME_Y_SIZE, enters, exits)
self.creeps = pygame.sprite.Group()
self.towers = pygame.sprite.Group()
self.missles = pygame.sprite.Group()
self.corpse = pygame.sprite.Group()
self.messages = pygame.sprite.Group()
self.ticks_elapsed = 0
self.sell_factor = level.SELL_FACTOR
self.curwaves = set()
self.creepwave = Starter(
level.CREEP_WAVES,
self.start_wave, start=False)
self.money = level.INIT_MONEY
self.lives = level.LIVES
self.wave_index = 0
def start_wave(self, wavedict):
wave = Starter(wavedict['creeps'], self.spawn_creep)
self.curwaves.add(wave)
self.wave_index += 1
def release_creeps(self):
self.creepwave.start()
def creeps_released(self):
return self.creepwave.started
def updatewaves(self, ticks):
fordelete = []
for wave in self.curwaves:
if not wave.alive():
fordelete.append(wave)
else:
wave.update(ticks)
for wave in fordelete:
self.curwaves.remove(wave)
def add_creep(self, creep):
creep.add([self.creeps])
def get_money(self):
return self.money
def get_lives(self):
return self.lives
def sell_tower(self, tower):
sizes = (tower.size, tower.size)
topleft = util.placeintrect(tower.g_pos, sizes)
cells = util.iterpoints(topleft, sizes)
self.field.clearon(*cells)
money = int(self.sell_factor * tower.cost)
message = '+%d' % money
self.money += money
self.messages.add(Message(message, 1, tower.g_pos, GOLD_COLOR))
tower.kill()
def build_tower(self, tower_cls, pos):
if tower_cls.cost > self.get_money():
raise BuildError, "Not enough money"
sizes = (tower_cls.size, tower_cls.size)
topleft = util.placeintrect(pos, sizes)
canbuild = all(
self.field.canbuildon(p)
for p in util.iterpoints(topleft, sizes))
if canbuild:
self.add_tower(topleft, tower_cls)
else:
raise BuildError, "Can't build here"
def add_tower(self, pos, cls):
tower = cls(pos, self)
if pygame.sprite.spritecollideany(tower, self.creeps):
raise BuildError, "Can't build on creeps"
buildcells = list(util.iterpoints(pos, (cls.size, cls.size)))
self.field.buildon(*buildcells)
# check if we block creeps
block_creeps = False
for creep in self.creeps:
if tuple(creep.current_cell()) not in self.field.dir_field:
block_creeps = True
break
for e in self.field._enters:
if e not in self.field.dir_field:
block_creeps = True
break
if block_creeps:
self.field.clearon(*buildcells)
raise BuildError, "Blocking"
tower.add([self.towers])
for creep in self.creeps:
creep.forget_way()
self.money -= tower.cost
def update(self, ticks):
self.ticks_elapsed += ticks
self.creepwave.update(ticks)
self.updatewaves(ticks)
self.towers.update(ticks)
self.creeps.update(ticks)
self.missles.update(ticks)
self.messages.update(ticks)
def draw(self, surface):
self.creeps.draw(surface)
self.missles.draw(surface)
def spawn_creep(self, creep=None):
if creep is None:
creep = Creep(health=3, speed=2)
creep_pos = random.choice(list(self.field._enters))
creep.place(creep_pos, self.field, self.oncreepexit, self.oncreepdeath)
self.add_creep(creep)
def oncreepexit(self, creep):
self.lives -= 1
self.messages.add(Message('-1', 1, creep.g_pos, LIFE_COLOR))
def oncreepdeath(self, creep):
self.money += creep.money
self.corpse.add(Blood(creep))
message = '+%d' % creep.money
self.messages.add(Message(message, 1, creep.g_pos, GOLD_COLOR))