class Game:
def __init__(self):
# pg.init()
pg.display.init()
pg.font.init()
self.screen = pg.display.set_mode((WIDTH, HEIGHT))
pg.display.set_caption(TITLE)
self.clock = pg.time.Clock()
pg.key.set_repeat(250, 50) # Allows us to hold dowW keys to move, etc.
self.load_data()
self.total_carrots = 0
self.go_screen = False
def load_data(self):
game_folder = path.dirname(__file__)
map_folder = path.join(game_folder, "maps")
self.map = TiledMap(path.join(map_folder, "AI-map.tmx"))
self.map_img = self.map.make_map()
self.map_rect = self.map_img.get_rect()
#self.map = Map(path.join(game_folder, "map.txt"))
def new(self):
# initialize all variables and do all the setup for a new game
self.all_sprites = pg.sprite.Group()
self.walls = pg.sprite.Group()
self.chest = pg.sprite.Group()
self.items = pg.sprite.Group()
self.carrots = pg.sprite.Group()
for tile_object in self.map.tmxdata.objects:
if tile_object.name == "player":
print("player location: ", tile_object.x, tile_object.y)
self.player = AIPlayer(self, tile_object.x, tile_object.y)
# self.player = Player(self, tile_object.x, tile_object.y)
if tile_object.name == "wall":
Obstacle(self, tile_object.x, tile_object.y, tile_object.width,
tile_object.height)
if tile_object.name == "carrot":
Carrot(self,
tile_object.x,
tile_object.y,
groups=[self.all_sprites, self.carrots, self.items])
self.total_carrots += 1
if tile_object.name == "chest":
Chest(self,
tile_object.x,
tile_object.y,
groups=[self.all_sprites, self.chest, self.items])
self.camera = Camera(self.map.width, self.map.height)
def reset(self):
# initialize all variables anddo all the setup for a new game
self.chest = pg.sprite.Group()
for chest in self.chest:
self.all_sprites.remove(chest)
chest.kill()
for carrot in self.carrots:
self.all_sprites.remove(carrot)
carrot.kill()
self.carrots.empty()
self.carrots = pg.sprite.Group()
for item in self.items:
self.all_sprites.remove(item)
item.kill()
self.items = pg.sprite.Group()
self.total_carrots = 0
for tile_object in self.map.tmxdata.objects:
if tile_object.name == "player":
print("player location: ", tile_object.x, tile_object.y)
#self.player = AIPlayer(self, tile_object.x, tile_object.y)
self.player.reset(tile_object.x, tile_object.y)
if tile_object.name == "carrot":
Carrot(self,
tile_object.x,
tile_object.y,
groups=[self.all_sprites, self.carrots, self.items])
self.total_carrots += 1
if tile_object.name == "chest":
Chest(self,
tile_object.x,
tile_object.y,
groups=[self.all_sprites, self.chest, self.items])
def run(self):
# game loop - set self.playing = False to end the game
# useful for ending a training session
self.playing = True
while self.playing:
self.dt = self.clock.tick(FPS) / 1000
self.events()
self.update()
self.draw()
def quit(self):
self.playing = False
pg.quit()
pg.display.quit()
sys.exit()
def update(self):
# update portion of the game loop
self.all_sprites.update()
self.camera.update(self.player)
def draw_grid(self):
for x in range(0, WIDTH, TILESIZE):
pg.draw.line(self.screen, LIGHTGREY, (x, 0), (x, HEIGHT))
for y in range(0, HEIGHT, TILESIZE):
pg.draw.line(self.screen, LIGHTGREY, (0, y), (WIDTH, y))
def draw(self):
self.screen.fill(BGCOLOR)
self.draw_grid()
self.screen.blit(self.map_img, self.camera.apply_rect(self.map_rect))
for sprite in self.all_sprites:
self.screen.blit(sprite.image, self.camera.apply(sprite))
self.screen.blit(self.score_surface(self.player), (0, 0))
# Yuck
try:
if isinstance(self.player, AIPlayer) and DEBUG == True:
if not self.player.controller.debug_queue.empty():
(self.episode, self.state_values
) = self.player.controller.debug_queue.get()
if self.episode % DEBUG_BLIT_RATE == 0:
for state in self.state_values:
val = self.state_values.get(state, 0)
val = round(val, 2)
x, y = (state[0][0] + TILESIZE / 2,
state[0][1] + TILESIZE / 2)
if len(state) == 3 and state[2] == True:
y = state[0][1] + TILESIZE / 4
self.screen.blit(self.state_value_surface(str(val)),
(x, y))
except (NameError, AttributeError) as e:
pass
pg.display.flip()
def events(self):
# catch all events here
for event in pg.event.get():
if event.type == pg.QUIT:
if isinstance(self.player, AIPlayer):
self.player.controller.quit()
self.quit()
self.player.events(event)
if self.go_screen == True and event.type == pg.KEYDOWN and event.key == pg.K_SPACE:
self.go_screen = False
def score_surface(self, player):
template = "Score: {}, Remaining Moves: {}, Pos: ({}, {})"
template = template.format(player.score,
MAX_ACTIONS - player.total_actions,
player.rect.x, player.rect.y)
default_font = pg.font.get_default_font()
return pg.font.Font(default_font, 18).render(template, True,
(0, 0, 255))
def show_start_screen(self):
pass
def game_over_surface(self):
text = "Game Over! Press Space To Play Again"
default_font = pg.font.get_default_font()
return pg.font.Font(default_font, 24).render(text, True, (0, 0, 255))
def state_value_surface(self, V):
default_font = pg.font.get_default_font()
return pg.font.Font(default_font, 8).render(V, True, (0, 0, 240))
def show_go_screen(self):
self.go_screen = True
while self.go_screen:
go_surf = self.game_over_surface()
self.screen.blit(go_surf, (WIDTH / 2 -
(go_surf.get_width() / 2), HEIGHT / 2))
pg.display.flip()
self.events()
self.update()
class Game:
def __init__(self):
self.logger = logging.getLogger(f"{__name__}.Game")
self.logger.debug("Initializing game object")
pg.mixer.pre_init(
44100, -16, 1,
1024) # increase sound buffer to minise lag when playing sounds
pg.init()
self.screen = pg.display.set_mode((WIDTH, HEIGHT))
pg.display.set_caption(TITLE)
self.clock = pg.time.Clock()
# pg.key.set_repeat(10, 100) # Lets you hold down a key to keep the move going
self.game_folder = path.dirname(__file__)
self.load_images()
self.load_sounds()
self.player = None
def draw_text(self, text, font_name, size, color, x, y, align="nw"):
font = pg.font.Font(font_name, size)
text_surface = font.render(text, True, color)
text_rect = text_surface.get_rect()
if align == "nw":
text_rect.topleft = (x, y)
if align == "ne":
text_rect.topright = (x, y)
if align == "sw":
text_rect.bottomleft = (x, y)
if align == "se":
text_rect.bottomright = (x, y)
if align == "n":
text_rect.midtop = (x, y)
if align == "s":
text_rect.midbottom = (x, y)
if align == "e":
text_rect.midright = (x, y)
if align == "w":
text_rect.midleft = (x, y)
if align == "center":
text_rect.center = (x, y)
self.screen.blit(text_surface, text_rect)
def load_images(self):
self.logger.debug("loading images...")
# Define game folders
image_folder = path.join(self.game_folder, 'data/images')
# Load images from files
self.title_font = path.join(image_folder, 'ZOMBIE.TTF')
self.hud_font = path.join(image_folder, 'Impacted2.0.TTF')
self.dim_screen = pg.Surface(self.screen.get_size()).convert_alpha()
self.dim_screen.fill((0, 0, 0, 180))
self.player_imgs = {}
for img in PLAYER_IMGS:
self.player_imgs[img] = pg.image.load(
path.join(image_folder, PLAYER_IMGS[img])).convert_alpha()
self.wall_img = pg.image.load(path.join(image_folder,
WALL_IMG)).convert_alpha()
self.wall_img = pg.transform.scale(self.wall_img, (TILESIZE, TILESIZE))
self.mob_img = pg.image.load(path.join(image_folder,
MOB_IMG)).convert_alpha()
self.bullet_images = {}
self.bullet_images['lg'] = pg.image.load(
path.join(image_folder, BULLET_IMG)).convert_alpha()
self.bullet_images['lg'] = pg.transform.scale(self.bullet_images['lg'],
(5, 5))
self.splat = pg.image.load(path.join(image_folder,
SPLAT)).convert_alpha()
self.splat = pg.transform.scale(self.splat, (64, 64))
self.gun_smoke = []
for img in MUZZLE_SMOKE:
self.gun_smoke.append(
pg.image.load(path.join(image_folder, img)).convert_alpha())
self.item_images = {}
for item in ITEM_IMAGES:
self.item_images[item] = pg.image.load(
path.join(image_folder, ITEM_IMAGES[item])).convert_alpha()
# Lighting
self.fog = pg.Surface((WIDTH, HEIGHT))
self.fog.fill(NIGHT_COLOUR)
self.light_mask = pg.image.load(path.join(image_folder,
LIGHT_MASK)).convert_alpha()
self.light_mask = pg.transform.scale(self.light_mask, LIGHT_RADIUS)
self.light_rect = self.light_mask.get_rect()
def load_sounds(self):
self.logger.debug("loading sounds...")
sound_folder = path.join(self.game_folder, 'data/sounds')
self.music_folder = path.join(self.game_folder, 'data/music')
# Load initial music - define user event to trigger when it ends, picked up in events()
self.SONG_END = pg.USEREVENT + 1
self.current_song = random.choice(BG_MUSIC)
pg.mixer.music.set_endevent(self.SONG_END)
pg.mixer.music.load(path.join(self.music_folder, self.current_song))
pg.mixer.music.set_volume(BG_MUSIC_LEVEL)
# Effects
self.effects_sounds = {}
for eff in EFFECTS_SOUNDS:
self.effects_sounds[eff] = pg.mixer.Sound(
path.join(sound_folder, EFFECTS_SOUNDS[eff]['file']))
self.effects_sounds[eff].set_volume(EFFECTS_SOUNDS[eff]['volume'])
# Weapons
self.weapon_sounds = {}
for weapon in WEAPON_SOUNDS:
self.weapon_sounds[weapon] = []
for sound in WEAPON_SOUNDS[weapon]:
s = pg.mixer.Sound(path.join(sound_folder, sound))
s.set_volume(GUN_SOUND_LEVEL)
self.weapon_sounds[weapon].append(s)
# Zombies
self.zombie_moan_sounds = []
for sound in ZOMBIE_MOAN_SOUNDS:
s = pg.mixer.Sound(path.join(sound_folder, sound))
s.set_volume(ZOMBIE_MOAN_LEVEL)
self.zombie_moan_sounds.append(s)
self.zombie_hit_sounds = []
for sound in ZOMBIE_HIT_SOUNDS:
s = pg.mixer.Sound(path.join(sound_folder, sound))
s.set_volume(ZOMBIE_HIT_LEVEL)
self.zombie_hit_sounds.append(s)
# Player
self.player_hit_sounds = []
for sound in PLAYER_HIT_SOUNDS:
s = pg.mixer.Sound(path.join(sound_folder, sound))
s.set_volume(PLAYER_HIT_LEVEL)
self.player_hit_sounds.append(s)
self.player_pain_sounds = []
for sound in PLAYER_PAIN_SOUNDS:
s = pg.mixer.Sound(path.join(sound_folder, sound))
s.set_volume(PLAYER_PAIN_LEVEL)
self.player_pain_sounds.append(s)
self.player_panic_sounds = []
for sound in PLAYER_PANIC_SOUNDS:
s = pg.mixer.Sound(path.join(sound_folder, sound))
s.set_volume(PLAYER_PANIC_LEVEL)
self.player_panic_sounds.append(s)
def new(self):
"""For things that should happen once, at the start of a new game"""
# Load map from file
self.map_folder = path.join(self.game_folder, 'data/maps')
# self.map = Map(path.join(game_folder, 'map.txt'))
self.map = TiledMap(self, path.join(self.map_folder, MAP_NAME))
self.map_img = self.map.make_map()
self.map_rect = self.map_img.get_rect()
# self.paths = breadth_first_search(self.map, self
# initialize all variables and do all the setup for a new game
self.all_sprites = pg.sprite.LayeredUpdates()
self.walls = pg.sprite.Group()
self.mobs = pg.sprite.Group()
self.bullets = pg.sprite.Group()
self.items = pg.sprite.Group()
# For Loading map from tmx data
for tile_object in self.map.tmxdata.objects:
obj_center = vec(tile_object.x + tile_object.width / 2,
tile_object.y + tile_object.height / 2)
if tile_object.name == 'player':
self.player = Player(self, obj_center.x, obj_center.y)
if tile_object.name == 'zombie':
Mob(self, obj_center.x,
obj_center.y) # For EM all entities must have unique id
if tile_object.name == 'wall':
Obstacle(self, tile_object.x, tile_object.y, tile_object.width,
tile_object.height)
if tile_object.name in ['health', 'shotgun', 'pistol']:
Item(self, obj_center, tile_object.name)
# self.EM = AI.EntityManager()
for mob in self.mobs:
# self.EM.add_entity(mob.id) #All entities must have a unique id
mob.SM.current_state = zombie_states.Idle(self, mob)
mob.SM.global_state = zombie_states.ZombieGlobalState(self, mob)
assert self.player is not None
self.camera = Camera(self.map.width,
self.map.height) # Give camera total size of map
# Flags
self.draw_debug = False
self.paused = False
self.night = False
self.effects_sounds['level_start'].play()
def run(self):
pg.mixer.music.play()
# game loop - set self.playing = False to end the game
self.playing = True
while self.playing:
self.dt = self.clock.tick(FPS) / 1000
self.events()
if not self.paused:
self.update()
self.draw()
def quit(self):
pg.quit()
sys.exit()
def update(self):
"""For things that should happen every frame"""
# update portion of the game loop
self.all_sprites.update()
self.camera.update(
self.player
) # Call camera.update - give player as target to follow
# Game over condition - No more zombies
# if len(self.mobs) == 0:
# self.playing = False
# Mobs hit player
hits = pg.sprite.spritecollide(self.player, self.mobs, False,
collide_hit_rect)
for hit in hits:
now = pg.time.get_ticks()
if now - hit.last_hit > MOB_HIT_TIMEOUT and random.random(
) < MOB_HIT_CHANCE:
hit.last_hit = now
# self.player.health -= MOB_DAMAGE
hit.vel = vec(0, 0)
random.choice(self.player_hit_sounds).play()
if self.player.health <= 0:
self.playing = False
self.player.got_hit()
self.player.pos += vec(MOB_KNOCKBACK, 0).rotate(-hits[0].rot)
# Bullets hit mobs
hits = pg.sprite.groupcollide(self.mobs, self.bullets, False, True)
for mob in hits:
# hit.health -= WEAPONS[self.player.weapon]['damage'] * len(hits[hit])
# hit.draw_health()
for bullet in hits[mob]:
mob.health -= bullet.damage
mob.vel = vec(0, 0)
# Player hits items
hits = pg.sprite.spritecollide(self.player, self.items, False)
for hit in hits:
if hit.type == 'health' and self.player.health < PLAYER_HEALTH:
hit.kill()
self.effects_sounds['health_up'].play()
self.player.add_health(HEALTH_PACK_AMOUNT)
if hit.type in WEAPONS.keys():
hit.kill()
self.player.pickup(hit.type)
# print(hit.type)
def draw_grid(self):
for x in range(0, WIDTH, TILESIZE):
pg.draw.line(self.screen, GREEN, (x, 0), (x, HEIGHT))
for y in range(0, HEIGHT, TILESIZE):
pg.draw.line(self.screen, GREEN, (0, y), (WIDTH, y))
def render_fog(self):
# draw light mask (gradient) onto fog image
self.fog.fill((NIGHT_COLOUR))
self.light_rect.center = self.camera.apply(self.player).center
self.fog.blit(self.light_mask, self.light_rect)
self.screen.blit(self.fog, (0, 0), special_flags=pg.BLEND_MULT)
def draw(self):
pg.display.set_caption("{:.2f}".format(self.clock.get_fps()))
# self.screen.fill(BGCOLOR)
self.screen.blit(self.map_img, self.camera.apply_rect(self.map_rect))
# self.draw_grid()
# self.all_sprites.draw(self.screen)
for sprite in self.all_sprites:
if isinstance(sprite, Mob):
sprite.draw_health()
self.screen.blit(
sprite.image, self.camera.apply(sprite)
) # blit all sprites to screen in location of where the camera says the sprite is
# if self.draw_debug:
# pg.draw.rect(self.screen, CYAN, self.camera.apply_rect(sprite.hit_rect), 1)
if self.night:
self.render_fog()
# DEBUG HUD
if self.draw_debug:
for wall in self.walls:
pg.draw.rect(self.screen, CYAN,
self.camera.apply_rect(wall.rect), 1)
for sprite in self.all_sprites:
if isinstance(sprite, Mob):
sprite.draw_health()
pg.draw.circle(self.screen, CYAN,
(self.camera.apply(sprite).centerx,
self.camera.apply(sprite).centery),
sprite.detect_radius, 1)
pg.draw.rect(self.screen, CYAN,
self.camera.apply_rect(sprite.hit_rect), 1)
# HUD functions
draw_player_stats(self.screen, 10, 10,
(self.player.health / PLAYER_HEALTH))
draw_player_stats(self.screen, 10, 40,
(self.player.fatigue / PLAYER_FATIGUE), BEIGE)
self.draw_text("Zombies: {}".format(len(self.mobs)),
self.hud_font,
30,
WHITE,
WIDTH - 10,
10,
align="ne")
if self.player.weapon is not None:
self.draw_text("{}:{}".format(self.player.weapon.name,
self.player.weapon.remaining_shots),
self.hud_font,
30,
WHITE,
10,
HEIGHT - 50,
align="nw")
# Paused
if self.paused:
self.screen.blit(self.dim_screen, (0, 0))
self.draw_text("Paused",
self.title_font,
105,
RED,
WIDTH / 2,
HEIGHT / 2,
align='center')
pg.display.flip()
def play_new_song(self):
next_song = random.choice(BG_MUSIC)
self.current_song = next_song
# pg.mixer.music.load(next_song)
pg.mixer.music.load(path.join(self.music_folder, next_song))
pg.mixer.music.play()
def events(self):
# catch all events here
for event in pg.event.get():
if event.type == pg.QUIT:
self.quit()
if event.type == pg.MOUSEBUTTONDOWN:
# print(event.button)
if event.button == 1:
self.player.shoot()
if event.type == pg.KEYDOWN:
if event.key == pg.K_ESCAPE:
self.quit()
if event.key == pg.K_h:
self.draw_debug = not self.draw_debug
if event.key == pg.K_p:
self.paused = not self.paused
if event.key == pg.K_n:
self.night = not self.night
if event.key == pg.K_r:
self.player.reload()
if event.key == pg.K_SPACE:
self.player.cycle_weapon()
if event.key == pg.K_g:
self.player.print_inventory()
if event.type == self.SONG_END:
self.play_new_song()
def show_start_screen(self):
pass
def show_go_screen(self):
self.screen.fill(BLACK)
pg.mixer.fadeout(5000)
self.draw_text("GAME OVER",
self.title_font,
180,
RED,
WIDTH / 2,
HEIGHT / 2,
align='center')
self.draw_text("Press any key to start",
self.title_font,
75,
WHITE,
WIDTH / 2,
HEIGHT * 3 / 4,
align='center')
pg.display.flip()
self.wait_for_key()
def wait_for_key(self):
pg.event.wait() # Clears event queue
waiting = True
while waiting:
self.clock.tick(FPS)
for event in pg.event.get():
if event.type == pg.QUIT:
waiting = False
self.quit()
if event.type == pg.KEYUP:
waiting = False
class Game:
"""
Blueprint for game objects
"""
def __init__(self):
# initialize game window, etc
pg.init()
pg.mixer.pre_init(44100, -16, 1, 1024)
pg.mouse.set_visible(False)
self.screen = pg.display.set_mode((WIDTH, HEIGHT))
self.screen.set_alpha(None)
self.screen_width = WIDTH
self.screen_height = HEIGHT
pg.display.set_caption(TITLE)
self.clock = pg.time.Clock()
# Resource folders
self.game_folder = path.dirname(__file__)
self.img_folder = path.join(self.game_folder, 'img')
self.snd_folder = path.join(self.game_folder, 'snd')
self.music_folder = path.join(self.snd_folder, 'Music')
self.crosshair_folder = path.join(self.img_folder, 'Crosshairs')
self.item_folder = path.join(self.img_folder, 'Items')
# Loads game assets
self.load_data()
self.running = True
# Debugging flags
self.debug = False
self.hardcore_mode = False
def load_data(self):
"""
Loads the necessary assets for the game.
:return: None
"""
# Game map
self.map = Map(path.join(self.game_folder, 'map3.txt'))
self.pause_screen_effect = pg.Surface(self.screen.get_size()).convert()
self.pause_screen_effect.fill((0, 0, 0, 225))
# Fog of war
self.fog = pg.Surface(self.screen.get_size()).convert()
self.fog.fill(NIGHT_COLOR)
# Light on the player
self.light_mask = pg.image.load(path.join(self.img_folder, LIGHT_MASK)).convert_alpha()
self.light_mask = pg.transform.smoothscale(self.light_mask, (LIGHT_RADIUS, LIGHT_RADIUS))
self.light_rect = self.light_mask.get_rect()
# HUD Elements
self.mag_img = pg.transform.smoothscale(pg.image.load(path.join(self.img_folder, CLIP_IMG)),
(40, 40)).convert_alpha()
# Crosshairs
self.crosshairs = [
pg.transform.smoothscale(pg.image.load(path.join(self.crosshair_folder, crosshair)),
(32, 32)).convert_alpha()
for crosshair in CROSSHAIRS]
# todo - have a menu decide the player's crosshair
self.crosshair = choice(self.crosshairs)
# Item pickups
self.pickup_items = {}
for item in ITEM_IMAGES:
self.pickup_items[item] = []
self.pickup_items[item] = pg.image.load(path.join(self.item_folder, ITEM_IMAGES[item])).convert_alpha()
# Fonts
self.hud_font = path.join(self.img_folder, 'Fonts\Impacted2.0.ttf')
# Sound loading
self.music_tracks = {"main menu": MAIN_MENU_MUSIC, 'Game over': GAME_OVER_MUSIC, 'background music': BG_MUSIC}
pg.mixer.music.load(path.join(self.music_folder, self.music_tracks['background music']))
pg.mixer.music.set_volume(.5)
self.swing_noises = {}
for weapon in PLAYER_SWING_NOISES:
noise = pg.mixer.Sound(path.join(self.snd_folder, PLAYER_SWING_NOISES[weapon]))
noise.set_volume(.25)
self.swing_noises[weapon] = noise
self.player_hit_sounds = []
for snd in PLAYER_HIT_SOUNDS:
self.player_hit_sounds.append(pg.mixer.Sound(path.join(self.snd_folder, snd)))
self.weapon_sounds = {}
for weapon in WEAPONS['sound']:
self.weapon_sounds[weapon] = {}
sound_list = {}
for snd in WEAPONS['sound'][weapon]:
noise = pg.mixer.Sound(path.join(self.snd_folder, WEAPONS['sound'][weapon][snd]))
noise.set_volume(.9)
sound_list[snd] = noise
self.weapon_sounds[weapon] = sound_list
self.zombie_moan_sounds = []
for snd in ZOMBIE_MOAN_SOUNDS:
noise = pg.mixer.Sound(path.join(self.snd_folder, snd))
noise.set_volume(.25)
self.zombie_moan_sounds.append(noise)
self.zombie_hit_sounds = {}
for type in ENEMY_HIT_SOUNDS:
self.zombie_hit_sounds[type] = []
for snd in ENEMY_HIT_SOUNDS[type]:
snd = pg.mixer.Sound(path.join(self.snd_folder, snd))
snd.set_volume(.75)
self.zombie_hit_sounds[type].append(snd)
self.player_foot_steps = {}
for terrain in PLAYER_FOOTSTEPS:
self.player_foot_steps[terrain] = []
for snd in PLAYER_FOOTSTEPS[terrain]:
snd = pg.mixer.Sound(path.join(self.snd_folder, snd))
snd.set_volume(.5)
self.player_foot_steps[terrain].append(snd)
# Bullets
self.bullet_images = {}
self.bullet_images['lg'] = pg.transform.smoothscale(pg.image.load(path.join(self.img_folder, RIFLE_BULLET_IMG)),
(10, 3)).convert_alpha()
self.bullet_images['med'] = pg.transform.smoothscale(
pg.image.load(path.join(self.img_folder, HANDGUN_BULLET_IMG)), (5, 3)).convert_alpha()
self.bullet_images['sm'] = pg.transform.smoothscale(pg.image.load(
path.join(self.img_folder, SHOTGUN_BULLET_IMG)).convert_alpha(), (7, 7))
# Effects
self.gun_flashes = [pg.image.load(path.join(self.img_folder, flash)).convert_alpha() for flash in
MUZZLE_FLASHES]
# Load enemy animations
self.enemy_imgs = [pg.transform.smoothscale(pg.image.load(path.join(self.game_folder, name)),
(96, 96)).convert_alpha() for name in
ENEMY_IMGS]
# Load player animations
self.default_player_weapon = 'knife'
self.default_player_action = 'idle'
self.player_animations = {'handgun': {}, 'knife': {}, 'rifle': {}, 'shotgun': {}}
# Create all hand gun animations
self.player_animations['handgun']['idle'] = [pg.image.load(path.join(self.game_folder, name)).convert_alpha()
for name in HANDGUN_ANIMATIONS['idle']]
self.player_animations['handgun']['melee'] = [pg.image.load(path.join(self.game_folder, name)).convert_alpha()
for name in HANDGUN_ANIMATIONS['melee']]
self.player_animations['handgun']['move'] = [pg.image.load(path.join(self.game_folder, name)).convert_alpha()
for name in HANDGUN_ANIMATIONS['move']]
self.player_animations['handgun']['reload'] = [pg.image.load(path.join(self.game_folder, name)).convert_alpha()
for name in HANDGUN_ANIMATIONS['reload']]
self.player_animations['handgun']['shoot'] = [pg.image.load(path.join(self.game_folder, name)).convert_alpha()
for name in HANDGUN_ANIMATIONS['shoot']]
# Create all knife animations
self.player_animations['knife']['idle'] = [pg.image.load(path.join(self.game_folder, name)).convert_alpha() for
name in KNIFE_ANIMATIONS['idle']]
self.player_animations['knife']['melee'] = [pg.image.load(path.join(self.game_folder, name)).convert_alpha() for
name in KNIFE_ANIMATIONS['melee']]
self.player_animations['knife']['move'] = [pg.image.load(path.join(self.game_folder, name)).convert_alpha() for
name in KNIFE_ANIMATIONS['move']]
# Create all rifle animations
self.player_animations['rifle']['idle'] = [pg.image.load(path.join(self.game_folder, name)).convert_alpha() for
name in RIFLE_ANIMATIONS['idle']]
self.player_animations['rifle']['melee'] = [pg.image.load(path.join(self.game_folder, name)).convert_alpha() for
name in RIFLE_ANIMATIONS['melee']]
self.player_animations['rifle']['move'] = [pg.image.load(path.join(self.game_folder, name)).convert_alpha() for
name in RIFLE_ANIMATIONS['move']]
self.player_animations['rifle']['reload'] = [pg.image.load(path.join(self.game_folder, name)).convert_alpha()
for name in RIFLE_ANIMATIONS['reload']]
self.player_animations['rifle']['shoot'] = [pg.image.load(path.join(self.game_folder, name)).convert_alpha() for
name in RIFLE_ANIMATIONS['shoot']]
# Create all shotgun animations
self.player_animations['shotgun']['idle'] = [pg.image.load(path.join(self.game_folder, name)).convert_alpha()
for name in SHOTGUN_ANIMATIONS['idle']]
self.player_animations['shotgun']['melee'] = [pg.image.load(path.join(self.game_folder, name)).convert_alpha()
for name in SHOTGUN_ANIMATIONS['melee']]
self.player_animations['shotgun']['move'] = [pg.image.load(path.join(self.game_folder, name)).convert_alpha()
for name in SHOTGUN_ANIMATIONS['move']]
self.player_animations['shotgun']['reload'] = [pg.image.load(path.join(self.game_folder, name)).convert_alpha()
for name in SHOTGUN_ANIMATIONS['reload']]
self.player_animations['shotgun']['shoot'] = [pg.image.load(path.join(self.game_folder, name)).convert_alpha()
for name in SHOTGUN_ANIMATIONS['shoot']]
def new(self):
"""
Creates a new game
:return: None
"""
self.all_sprites = pg.sprite.LayeredUpdates()
self.walls = pg.sprite.Group()
self.bullets = pg.sprite.Group()
self.mobs = pg.sprite.Group()
self.items = pg.sprite.Group()
self.swingAreas = pg.sprite.Group()
self.camera = Camera(self.map.width, self.map.height)
self.paused = False
self.running = True
self.pathfinder = Pathfinder()
self.game_graph = WeightedGraph()
mob_positions = []
wall_positions = []
for row, tiles in enumerate(self.map.data):
for col, tile in enumerate(tiles):
if tile == '1':
wall_positions.append((col * TILESIZE, row * TILESIZE))
if tile == 'P':
self.player = Player(self, col * TILESIZE, row * TILESIZE)
if tile == 'E':
mob_positions.append((col * TILESIZE, row * TILESIZE))
if tile == 'W':
WeaponPickup(self, (col * TILESIZE, row * TILESIZE))
for position in wall_positions:
Obstacle(self, position[0], position[1])
for position in mob_positions:
Mob(self, position[0], position[1])
self.game_graph.walls = [(int(wall[0] // TILESIZE), int(wall[1] // TILESIZE)) for wall in wall_positions]
self.mob_idx = 0
self.last_queue_update = 0
g.run()
def find_path(self, predator, prey):
"""
Finds a path for the predator to reach its prey
:param predator: The entity who seeks
:param prey: The unknowning target
:return: A list of Vector2 objects to guide the predator
"""
return self.pathfinder.a_star_search(self.game_graph,
vec(predator.pos.x // TILESIZE, predator.pos.y // TILESIZE),
vec(prey.pos.x // TILESIZE, prey.pos.y // TILESIZE))
def run(self):
"""
Runs the game
:return: None
"""
self.playing = True
pg.mixer.music.play(loops=-1)
while self.playing:
pg.display.set_caption("{:.1f}".format(self.clock.get_fps()))
self.dt = self.clock.tick(FPS) / 1000
self.events()
if not self.paused:
self.update()
self.draw()
def update(self):
"""
Updates game state
:return: None
"""
self.impact_positions = []
for sprite in self.all_sprites:
if sprite == self.player:
sprite.update(pg.key.get_pressed())
else:
sprite.update()
self.camera.update(self.player)
self.swingAreas.update()
self.update_pathfinding_queue()
# Player hits mobs
hit_melee_box = pg.sprite.groupcollide(self.mobs, self.swingAreas, False, True, collide_hit_rect)
for hit in hit_melee_box:
choice(self.zombie_hit_sounds['bash']).play()
hit.health -= hit.health
self.impact_positions.append(hit.rect.center)
# Enemy hits player
hits = pg.sprite.spritecollide(self.player, self.mobs, False, collide_hit_rect)
for hit in hits:
if random() < .7:
choice(self.player_hit_sounds).play()
if hit.can_attack:
self.impact_positions.append(self.player.rect.center)
self.player.health -= hit.damage
hit.vel.normalize()
hit.pause()
if self.player.health <= 0:
self.playing = False
if hits:
self.player.pos += vec(ENEMY_KNOCKBACK, 0).rotate(-hits[0].rot)
# Bullet collisions
hits = pg.sprite.groupcollide(self.mobs, self.bullets, False, False, collide_hit_rect)
for mob in hits:
for bullet in hits[mob]:
self.impact_positions.append(bullet.rect.center)
mob.health -= bullet.damage
mob.pos += vec(WEAPONS[self.player.weapon]['damage'] // 10, 0).rotate(-self.player.rot)
# Drowns out blood gushing noises the further the collision is from the player
dist = self.player.pos.distance_to(mob.pos)
ratio = 1
if dist > 0:
ratio = round(200 / dist, 2)
if ratio > 1:
ratio = 1
snd = choice(self.zombie_hit_sounds['bullet'])
snd.set_volume(ratio)
if snd.get_num_channels() > 2:
snd.stop()
snd.play()
# Item collisions
hits = pg.sprite.spritecollide(self.player, self.items, True, collide_hit_rect)
for hit in hits:
self.player.pickup_item(hit)
if isinstance(hit, WeaponPickup):
snd = self.weapon_sounds[hit.type]['pickup']
snd.play()
else:
pass
def events(self):
"""
Game loop event handling
:return: None
"""
for event in pg.event.get():
if event.type == pg.QUIT:
if self.playing:
self.playing = False
self.running = False
if event.type == pg.KEYDOWN:
if event.key == pg.K_b:
self.debug = not self.debug
if event.key == pg.K_p:
self.paused = not self.paused
if event.key == pg.K_h:
self.hardcore_mode = not self.hardcore_mode
def draw_grid(self):
"""
Used for debugging
:return: None
"""
for x in range(0, WIDTH, TILESIZE):
pg.draw.line(self.screen, LIGHTGREY, (x, 0), (x, HEIGHT))
for y in range(0, HEIGHT, TILESIZE):
pg.draw.line(self.screen, LIGHTGREY, (0, y), (WIDTH, y))
def render_fog(self):
self.fog.fill(NIGHT_COLOR)
self.light_rect.center = self.camera.apply_rect(self.player.hit_rect.copy()).center
self.fog.blit(self.light_mask, self.light_rect)
self.screen.blit(self.fog, (0, 0), special_flags=pg.BLEND_RGBA_MULT)
def draw(self):
"""
Draws the updated game state onto the screen
:return: None
"""
self.screen.fill(DARKGREY)
if self.debug:
self.draw_grid()
self.draw_blood_splatters()
# Draw all sprites to the screen
for sprite in self.all_sprites:
# if isinstance(sprite, Mob):
# sprite.draw_health()
self.screen.blit(sprite.image, self.camera.apply(sprite))
if self.debug:
pg.draw.rect(self.screen, (0, 255, 255), self.camera.apply_rect(sprite.hit_rect), 1)
self.render_fog()
x, y = pg.mouse.get_pos()
self.screen.blit(self.crosshair, (x - self.crosshair.get_rect().width // 2,
y - self.crosshair.get_rect().height // 2))
# draw hud information
if not self.hardcore_mode:
self.update_hud()
if self.paused:
self.screen.blit(self.pause_screen_effect, (0, 0))
self.draw_text('Paused', self.hud_font, 105, RED, WIDTH / 2, HEIGHT / 2, align='center')
pg.display.flip()
def update_hud(self):
"""
Updates the HUD information for the player to see
:return: None
"""
self.draw_player_stats()
if self.player.weapon != 'knife':
self.draw_current_clip(self.screen, 10, 70, self.player.arsenal[self.player.weapon]['clip'], 3, 15)
def draw_player_stats(self):
"""
Gives the player visual indication of their health & stamina
:return: None
"""
self.draw_player_health(self.screen, 10, 10, self.player.health // PLAYER_HEALTH)
self.draw_text(str(self.player.health) + "%", self.hud_font, 15, (119, 136, 153),
BAR_LENGTH // 2 - 5, 10)
self.draw_player_stamina(self.screen, 10, 40, self.player.stamina / PLAYER_STAMINA)
self.draw_text("{0:.0f}".format(self.player.stamina) + "%", self.hud_font, 15, (119, 136, 153),
BAR_LENGTH // 2 - 5, 40)
def draw_current_clip(self, surface, x, y, bullets, bullet_length, bullet_height):
"""
Used to give the player visual indication of how much ammunition they have at
the moment in their weapon
:param surface: The location in which to draw this information
:param x: The x location to draw
:param y: The y location to draw
:param bullets: How many bullets to draw
:param bullet_length: How wide the bullet figure will be
:param bullet_height: How tall the bullet figure will be
:return: None
"""
if self.player.weapon != 'knife':
temp = x
# Draws how many bullets are in the player's magazine in GOLD with the difference between
# maximum mag capacity - current bullet count is in LIGHTGREY
for j in range(0, WEAPONS[self.player.weapon]['clip size']):
bullet_outline = pg.Surface((bullet_length, bullet_height)).convert()
if j < bullets:
bullet_outline.fill(GOLD)
else:
bullet_outline.fill(LIGHTGREY)
surface.blit(bullet_outline, (temp, y))
temp += 2 * bullet_length
surface.blit(self.mag_img, (temp, y - 10))
self.draw_text('x', self.hud_font, 15, WHITE,
temp + 32, y)
self.draw_text(str(self.player.arsenal[self.player.weapon]['reloads']), self.hud_font, 20, WHITE,
temp + 40, y - 5)
@staticmethod
def draw_player_health(surface, x, y, pct):
"""
Draws the player's health bar
:param surface: The surface on which to draw the health bar
:param x: x location
:param y: y location
:param pct: How much health is left in %
:return: None
"""
if pct < 0:
pct = 0
fill = pct * BAR_LENGTH
static = BAR_LENGTH
outline_rect = pg.Rect(x, y, BAR_LENGTH, BAR_HEIGHT)
filled_rect = pg.Rect(x, y, fill, BAR_HEIGHT)
static_rect = pg.Rect(x, y, static, BAR_HEIGHT)
pg.draw.rect(surface, LIMEGREEN, static_rect)
pg.draw.rect(surface, GREEN, filled_rect)
pg.draw.rect(surface, WHITE, outline_rect, 2)
@staticmethod
def draw_player_stamina(surface, x, y, pct):
"""
Draws the player's stamina bar
:param surface: The surface to draw on
:param x: x location
:param y: y location
:param pct: How much stamina is left in %
:return: None
"""
if pct < 0:
pct = 0
fill = pct * BAR_LENGTH
static = BAR_LENGTH
outline_rect = pg.Rect(x, y, BAR_LENGTH, BAR_HEIGHT)
filled_rect = pg.Rect(x, y, fill, BAR_HEIGHT)
static_rect = pg.Rect(x, y, static, BAR_HEIGHT)
pg.draw.rect(surface, DODGERBLUE, static_rect)
pg.draw.rect(surface, DEEPSKYBLUE, filled_rect)
pg.draw.rect(surface, WHITE, outline_rect, 2)
def draw_text(self, text, font_name, size, color, x, y, align='nw'):
"""
Draws informative text.
:param text: The text to draw.
:param font_name: The font to use.
:param size: The size of the font.
:param color: The colour of the font.
:param x: The x-coordinate of the location
:param y: The y-coordinate of the location
:param align: Compass location
:return: None
"""
font = pg.font.Font(font_name, size)
text_surface = font.render(text, True, color)
text_rect = text_surface.get_rect()
if align == "nw":
text_rect.topleft = (x, y)
if align == "ne":
text_rect.topright = (x, y)
if align == "sw":
text_rect.bottomleft = (x, y)
if align == "se":
text_rect.bottomright = (x, y)
if align == "n":
text_rect.midtop = (x, y)
if align == "s":
text_rect.midbottom = (x, y)
if align == "e":
text_rect.midright = (x, y)
if align == "w":
text_rect.midleft = (x, y)
if align == "center":
text_rect.center = (x, y)
self.screen.blit(text_surface, text_rect)
def draw_blood_splatters(self):
if self.impact_positions:
for pos in self.impact_positions:
impact = True
while impact:
self.events()
for magnitude in range(1, randrange(35, 65)):
exploding_bit_x = pos[0] + randrange(-1 * magnitude, magnitude) + self.camera.camera.x
exploding_bit_y = pos[1] + randrange(-1 * magnitude, magnitude) + self.camera.camera.y
pg.draw.circle(self.screen, choice(BLOOD_SHADES), (exploding_bit_x, exploding_bit_y),
randrange(1, 5))
impact = False
self.impact_positions.clear()
def update_pathfinding_queue(self):
"""
Gives each mob on the level the opportunity to find a path
to its prey (the player). Each mob will be given this
opportunity in order according to their list position into
the mobs group.
:return: None
"""
now = pg.time.get_ticks()
if now - self.last_queue_update > 5000:
self.last_queue_update = now
if self.mob_idx == len(self.mobs):
self.mob_idx = 0
count = 0
for mob in self.mobs:
mob.can_find_path = False
if count == self.mob_idx:
mob.can_find_path = True
count += 1
self.mob_idx += 1
def show_start_screen(self):
"""
Displays the start screen for the game
:return: None
"""
pass
def show_gameover_screen(self):
"""
Displays the gameover screen for the game
:return: None
"""
pass
def show_pause_screen(self):
"""
Displays the pause screen for the game
:return: None
"""
pass
class Game:
def __init__(self):
# Initializes PyGame buffer=256
pg.mixer.pre_init(frequency=22050, size=-16, channels=2, buffer=256)
pg.init()
# Create screen and title
self.screen = pg.display.set_mode((WIDTH, HEIGHT))
pg.display.set_caption(TITLE)
# Clock speed and key delay
self.clock = pg.time.Clock()
pg.key.set_repeat(500, 100)
# Loads data..
self.load_data()
def load_data(self):
# Asset folders
game_folder = path.dirname(__file__)
img_folder = path.join(game_folder, 'assets', 'textures')
snd_folder = path.join(game_folder, 'assets', 'sounds', 'snd')
music_folder = path.join(game_folder, 'assets', 'sounds', 'music')
self.map_folder = path.join(game_folder, 'assets', 'maps')
# Font
self.title_font = path.join(img_folder, 'ZOMBIE.TTF')
self.hud_font = path.join(img_folder, 'Impacted2.0.ttf')
# Object images
self.dim_screen = pg.Surface(self.screen.get_size()).convert_alpha()
self.dim_screen.fill((0, 0, 0, 150))
self.player_img = pg.image.load(
path.join(img_folder, 'player', PLAYER_IMG)).convert_alpha()
self.bullet_images = {}
self.bullet_images['lg'] = pg.image.load(
path.join(img_folder, 'bullet', BULLET_IMG)).convert_alpha()
self.bullet_images['sm'] = pg.transform.scale(self.bullet_images['lg'],
(10, 10))
self.mob_img = pg.image.load(path.join(img_folder, 'mob',
MOB_IMG)).convert_alpha()
self.splat = pg.image.load(path.join(img_folder, 'mob',
SPLAT)).convert_alpha()
self.splat = pg.transform.scale(self.splat, (64, 64))
# Particles
self.gun_flashes = []
for img in MUZZLE_FLASHES:
self.gun_flashes.append(
pg.image.load(path.join(img_folder, 'particles',
img)).convert_alpha())
# Items
self.item_images = {}
for item in ITEM_IMAGES:
self.item_images[item] = pg.image.load(
path.join(img_folder, 'items',
ITEM_IMAGES[item])).convert_alpha()
# Lighting effects
self.fog = pg.Surface((WIDTH, HEIGHT))
self.fog.fill(NIGHT_COLOR)
self.light_mask = pg.image.load(path.join(img_folder,
LIGHT_MASK)).convert_alpha()
self.light_mask = pg.transform.scale(self.light_mask, LIGHT_RADIUS)
self.light_rect = self.light_mask.get_rect()
# Sounds
pg.mixer.music.load(path.join(music_folder, BG_MUSIC))
self.effects_sounds = {}
for type in EFFECTS_SOUNDS:
s = pg.mixer.Sound(path.join(snd_folder, EFFECTS_SOUNDS[type]))
s.set_volume(0.5)
self.effects_sounds[type] = s
self.weapon_sounds = {}
for weapon in WEAPON_SOUNDS:
self.weapon_sounds[weapon] = []
for snd in WEAPON_SOUNDS[weapon]:
s = pg.mixer.Sound(path.join(snd_folder, snd))
if weapon == 'shotgun':
s.set_volume(0.2)
else:
s.set_volume(0.5)
self.weapon_sounds[weapon].append(s)
self.zombie_moan_sounds = []
for snd in ZOMBIE_MOAN_SOUNDS:
s = pg.mixer.Sound(path.join(snd_folder, snd))
s.set_volume(0.2)
self.zombie_moan_sounds.append(s)
self.player_hit_sounds = []
for snd in PLAYER_HIT_SOUNDS:
self.player_hit_sounds.append(
pg.mixer.Sound(path.join(snd_folder, snd)))
self.zombie_hit_sounds = []
for snd in ZOMBIE_HIT_SOUNDS:
s = pg.mixer.Sound(path.join(snd_folder, snd))
s.set_volume(0.3)
self.zombie_hit_sounds.append(s)
def new(self):
# initialize all variables and do all the setup for a new game
self.draw_debug = False
self.paused = False
self.night = True
# Sprite groups
self.all_sprites = pg.sprite.LayeredUpdates()
self.obstacles = pg.sprite.Group()
self.mobs = pg.sprite.Group()
self.bullets = pg.sprite.Group()
self.items = pg.sprite.Group()
# Map
self.map = TiledMap(path.join(self.map_folder, '01.tmx'))
self.map_img = self.map.make_map()
self.map_rect = self.map_img.get_rect()
# Map Objects
for tile_object in self.map.tmxdata.objects:
# For spawning in center of tiled object
obj_center = vec(tile_object.x + tile_object.width / 2,
tile_object.y + tile_object.height / 2)
if tile_object.name == 'player':
self.player = Player(self, obj_center.x, obj_center.y)
if tile_object.name == 'zombie':
Mob(self, obj_center.x, obj_center.y)
if tile_object.name == 'wall':
Obstacle(self, tile_object.x, tile_object.y, tile_object.width,
tile_object.height)
if tile_object.name in ['health', 'shotgun']:
Item(self, obj_center, tile_object.name)
# Camera object
self.camera = Camera(self.map.width, self.map.height)
# Start a new level sound
self.effects_sounds['level_start'].play()
def run(self):
# game loop - set self.playing = False to end the game
self.playing = True
# Starts music
pg.mixer.music.play(loops=-1)
while self.playing:
# dt - How much time did the last frame take in ms (For frame-independent movement)
self.dt = self.clock.tick(FPS) / 1000
self.events()
if not self.paused:
self.update()
self.draw()
def events(self):
# catch all events here
for event in pg.event.get():
# Closing window
if event.type == pg.QUIT:
self.quit()
# Keyboard press
if event.type == pg.KEYDOWN:
# ESC
if event.key == pg.K_ESCAPE:
self.quit()
if event.key == pg.K_h:
self.draw_debug = not self.draw_debug
if event.key == pg.K_p:
self.paused = not self.paused
if event.key == pg.K_n:
self.night = not self.night
def update(self):
# Update portion of the game loop
self.all_sprites.update()
self.camera.update(self.player)
# Game over?
if len(self.mobs) == 0:
self.playing = False
# Player and item
hits = pg.sprite.spritecollide(self.player, self.items, False)
for hit in hits:
if hit.type == 'health' and self.player.health < PLAYER_HEALTH:
hit.kill() # Destroy item
self.effects_sounds['health_up'].play() # Play sound
self.player.add_health(HEALTH_PACK_AMOUNT) # Add health
if hit.type == 'shotgun':
hit.kill()
self.effects_sounds['gun_pickup'].play()
self.player.weapon = 'shotgun'
# Player and mobs
hits = pg.sprite.spritecollide(self.player, self.mobs, False,
collide_hit_rect)
for hit in hits:
# Play sound
if random() < 0.7:
choice(self.player_hit_sounds).play()
# Take damage
self.player.health -= MOB_DAMAGE
hit.vel = vec(0, 0)
if self.player.health <= 0:
self.playing = False
if hits:
self.player.hit()
self.player.pos += vec(MOB_KNOCKBACK, 0).rotate(-hits[0].rot)
# Bullets and Mobs
hits = pg.sprite.groupcollide(self.mobs, self.bullets, False, True)
for mob in hits:
for bullet in hits[mob]:
mob.health -= bullet.damage
mob.vel = vec(0, 0)
def draw(self):
# Shows window title and FPS counter
pg.display.set_caption("{} FPS - {:.2f}".format(
TITLE, self.clock.get_fps()))
# Fill background
# self.screen.fill(BGCOLOR)
# Draws grid
# self.draw_grid()
# Draws map
self.screen.blit(self.map_img, self.camera.apply_rect(self.map_rect))
# Draws all sprites ant hit rectangles
for sprite in self.all_sprites:
if isinstance(sprite, Mob):
sprite.draw_health()
self.screen.blit(sprite.image, self.camera.apply(sprite))
if self.draw_debug:
pg.draw.rect(self.screen, CYAN,
self.camera.apply_rect(sprite.hit_rect), 1)
if self.draw_debug:
for obstacle in self.obstacles:
pg.draw.rect(self.screen, CYAN,
self.camera.apply_rect(obstacle.rect), 1)
# Lighting effects
if self.night:
self.render_fog()
# Draws HUD
draw_player_health(self.screen, 10, 10,
self.player.health / PLAYER_HEALTH)
self.draw_text('Zombies: {}'.format(len(self.mobs)),
self.hud_font,
30,
WHITE,
WIDTH - 10,
10,
align="ne")
# Draws PAUSED
if self.paused:
self.screen.blit(self.dim_screen, (0, 0))
self.draw_text("Paused",
self.title_font,
105,
RED,
WIDTH / 2,
HEIGHT / 2,
align="center")
# Flips/Updates screen
pg.display.flip()
def render_fog(self):
self.fog.fill(NIGHT_COLOR)
self.light_rect.center = self.camera.apply(self.player).center
self.fog.blit(self.light_mask, self.light_rect)
self.screen.blit(self.fog, (0, 0), special_flags=pg.BLEND_MULT)
def draw_text(self, text, font_name, size, color, x, y, align="nw"):
font = pg.font.Font(font_name, size)
text_surface = font.render(text, True, color)
text_rect = text_surface.get_rect()
if align == "nw":
text_rect.topleft = (x, y)
if align == "ne":
text_rect.topright = (x, y)
if align == "sw":
text_rect.bottomleft = (x, y)
if align == "se":
text_rect.bottomright = (x, y)
if align == "n":
text_rect.midtop = (x, y)
if align == "s":
text_rect.midbottom = (x, y)
if align == "e":
text_rect.midright = (x, y)
if align == "w":
text_rect.midleft = (x, y)
if align == "center":
text_rect.center = (x, y)
self.screen.blit(text_surface, text_rect)
def draw_grid(self):
for x in range(0, WIDTH, TILESIZE):
pg.draw.line(self.screen, LIGHTGREY, (x, 0), (x, HEIGHT))
for y in range(0, HEIGHT, TILESIZE):
pg.draw.line(self.screen, LIGHTGREY, (0, y), (WIDTH, y))
def show_start_screen(self):
pass
def show_go_screen(self):
self.screen.fill(BLACK)
self.draw_text("GAME OVER",
self.title_font,
100,
RED,
WIDTH / 2,
HEIGHT / 2,
align="center")
self.draw_text("Press a key to start",
self.title_font,
75,
WHITE,
WIDTH / 2,
HEIGHT * 3 / 4,
align="center")
pg.display.flip()
self.wait_for_key()
def wait_for_key(self):
pg.event.wait()
waiting = True
while waiting:
self.clock.tick(FPS)
for event in pg.event.get():
if event.type == pg.QUIT:
waiting = False
self.quit()
if event.type == pg.KEYUP:
waiting = False
def quit(self):
pg.quit()
sys.exit()