def __init__(self, screen, sfx, rand):
self.level = 1
self.ship_type = 1 # 0, 1, 2
self.screen = screen
self.sfx = sfx
self.terrain = Terrain()
self.myship = MyShip(self.ship_type)
self.enemy_list = []
self.my_bullet_list = []
self.enemy_bullet_list = []
self.powerup_list = []
self.explosion_list = []
self.milage = RESOLUTION[1]
self.rand = rand
self.level_dat_path = LEVEL_PATH + '%02d.dat' % self.level
self.level_dat = open(self.level_dat_path).readlines()
self.next_pos = int(self.level_dat[0].split()[0])
self.status = 'game'
sfx.play_bgm()
if DEBUG: print 'init : battlefield'
from pygame.locals import *
pygame.init()
screen = pygame.display.set_mode((640, 640))
font = pygame.font.SysFont(None, 36)
def draw_text(display_string, font, surface, x_pos, y_pos):
text_display = font.render(display_string, 1, (0, 0, 0))
surface.blit(text_display, (x_pos, y_pos))
screen.fill((255, 255, 255))
ship = MyShip()
ship_image_list = []
initial_rotation = 0
for x in range(0, 8):
temp_image = pygame.transform.rotate(ship.image, initial_rotation)
initial_rotation += 45
ship_image_list.append(temp_image)
speed_one_dir = 15
speed = [speed_one_dir, speed_one_dir]
rot_image = 4
x_pos = 200
y_pos = 200
class BattleField:
def __init__(self, screen, sfx, rand):
self.level = 1
self.ship_type = 1 # 0, 1, 2
self.screen = screen
self.sfx = sfx
self.terrain = Terrain()
self.myship = MyShip(self.ship_type)
self.enemy_list = []
self.my_bullet_list = []
self.enemy_bullet_list = []
self.powerup_list = []
self.explosion_list = []
self.milage = RESOLUTION[1]
self.rand = rand
self.level_dat_path = LEVEL_PATH + '%02d.dat' % self.level
self.level_dat = open(self.level_dat_path).readlines()
self.next_pos = int(self.level_dat[0].split()[0])
self.status = 'game'
sfx.play_bgm()
if DEBUG: print 'init : battlefield'
def update(self):
if self.milage == 3500:
self.status = 'win'
self.spawn_enemy()
self.update_terrain()
self.update_myship()
self.update_my_bullet()
self.update_enemy()
self.update_enemy_bullet()
self.update_powerup()
self.update_explosion()
# be cautious about the blit order
# blit terrain
self.screen.blit(self.terrain.img, self.terrain.pos)
# blit shadow
self.screen.blit(self.myship.shadow_img, self.myship.shadow_pos)
for enemy in self.enemy_list:
if enemy.id[:4] == 'ship':
self.screen.blit(enemy.shadow_img, enemy.shadow_pos)
if enemy.id[5] == 'c': # heli
self.screen.blit(enemy.blade.shadow_img,
enemy.blade.shadow_pos)
# blit enemy
for enemy in self.enemy_list:
self.screen.blit(enemy.img, enemy.pos)
if enemy.id[:6] == 'ship_c': # is helicopter
self.screen.blit(enemy.blade.img,
enemy.blade.pos)
elif enemy.id[:6] == 'turret': # is turret
self.screen.blit(enemy.barrel.img,
enemy.barrel.pos)
self.screen.blit(self.myship.img, self.myship.pos)
# blit bullet
for bullet in self.my_bullet_list:
self.screen.blit(bullet.img, bullet.pos)
for bullet in self.enemy_bullet_list:
self.screen.blit(bullet.img, bullet.pos)
# blit explosion
for explosion in self.explosion_list:
self.screen.blit(explosion.img, explosion.pos )
# blit powerup
for powerup in self.powerup_list:
self.screen.blit(powerup.img, powerup.img_pos)
self.screen.blit(powerup.orb.img, powerup.pos)
def update_terrain(self):
self.terrain.update()
self.milage += TERRAIN_SPEED
def update_myship(self):
if self.myship.hp < 0:
explosion = ExplosionB(self.myship.pos)
self.explosion_list.append(explosion)
for x in range(self.myship.fire_level - 1):
powerup = PowerUp(self.myship.pos[:],
'fire',
self.rand.randint(\
-POWERUP_SCATTER_RANGE_X,
POWERUP_SCATTER_RANGE_X))
self.powerup_list.append(powerup)
self.myship.live -= 1
self.myship.hp = self.myship.max_hp
self.myship.pos = self.myship.init_pos[:]
self.myship.fire_level = 1
if self.myship.live <= 0:
self.status = 'lose'
self.myship.weapon_cooldown()
key = pygame.key.get_pressed()
if key[K_UP]:
self.myship.move('UP')
if key[K_DOWN]:
self.myship.move('DOWN')
if key[K_LEFT]:
self.myship.move('LEFT')
if key[K_RIGHT]:
self.myship.move('RIGHT')
if key[K_SPACE]:
self.myship.fire(self.my_bullet_list)
self.myship.update()
def update_enemy(self):
for enemy in self.enemy_list:
enemy.update(self.myship.head_pos[:])
if not enemy.alive:
self.enemy_list.remove(enemy)
# add sound and power ups
if enemy.shot_dead:
explosion = ExplosionB(enemy.pos[:])
self.explosion_list.append(explosion)
self.sfx.play_explosion()
if not enemy.powerup == 'none':
powerup = PowerUp(enemy.pos[:],
enemy.powerup,
self.rand.randint(\
-POWERUP_SCATTER_RANGE_X,
POWERUP_SCATTER_RANGE_X))
self.powerup_list.append(powerup)
else:
enemy.fire(self.enemy_bullet_list, self.myship.head_pos[:])
if self.check_collision(enemy, self.myship):
enemy.hp -= COLLISION_DAMAGE
self.myship.hp -= COLLISION_DAMAGE
if DEBUG: print 'myship hp : ', self.myship.hp
def update_my_bullet(self):
for bullet in self.my_bullet_list:
bullet.update()
for enemy in self.enemy_list:
if self.check_collision(bullet, enemy):
bullet.alive = False
enemy.hp -= bullet.damage
explosion = ExplosionA(bullet.pos[:])
self.explosion_list.append(explosion)
break
if bullet.alive == False:
self.my_bullet_list.remove(bullet)
def update_enemy_bullet(self):
for bullet in self.enemy_bullet_list:
bullet.update()
if self.check_collision(bullet, self.myship):
bullet.alive = False
self.myship.hp -= bullet.damage
explosion = ExplosionA(bullet.pos[:])
self.explosion_list.append(explosion)
if DEBUG: print 'myship hp : ', self.myship.hp
if bullet.alive == False:
self.enemy_bullet_list.remove(bullet)
def spawn_enemy(self):
if len(self.level_dat) != 0:
if self.milage >= self.next_pos:
line = self.level_dat[0].split()
enemy_type = line[1]
path = line[2]
bullet = line[3]
powerup = line[4]
if enemy_type[:4] == 'ship':
enemy = SHIP[enemy_type](enemy_type,
FLY_PATH[path],
bullet,
powerup)
elif enemy_type[:6] == 'turret':
enemy = TURRET[enemy_type](enemy_type,
[int(path[6:]), -50],
bullet,
powerup)
if DEBUG: print 'spawn', enemy_type, path, bullet, powerup
self.enemy_list.append(enemy)
self.level_dat.pop(0)
if len(self.level_dat) != 0:
self.next_pos = int(self.level_dat[0].split()[0])
def update_powerup(self):
for powerup in self.powerup_list:
powerup.update()
if not powerup.alive:
self.powerup_list.remove(powerup)
else:
if self.check_collision(self.myship, powerup):
if powerup.powerup == 'fire':
self.myship.fire_level += 1
elif powerup.powerup == 'shield':
self.myship.hp += SHIELD_HP
self.powerup_list.remove(powerup)
def update_explosion(self):
for explosion in self.explosion_list:
if not explosion.alive:
self.explosion_list.remove(explosion)
else:
explosion.update()
def check_collision(self, obj1, obj2):
vector = Vector(obj1.center_pos[:], obj2.center_pos[:])
distance = vector.normal
if obj1.collide_radius + obj2.collide_radius >= distance:
return True
else:
return False