load_resources.py

import os
import common_pygame
import sprite_handling
import menu
import progressbar

pygame = common_pygame.pygame
sounds = dict()
single_sprites = dict()
sprite_sequences = dict()


def add_sound(soundfile):
    global sounds
    sounds[soundfile] = pygame.mixer.Sound(os.path.join('sounds', soundfile))
    sounds[soundfile].set_volume(0.5)


def add_sprite(spritefile):
    global single_sprites
    single_sprites[spritefile] = pygame.image.load(
        os.path.join('images', spritefile)).convert_alpha()
    single_sprites[spritefile].set_colorkey((255, 0, 255))


def add_sprite_sequence(spritesequence, h, w):
    global sprite_sequences
    sprite_sequences[spritesequence] = \
        sprite_handling.load_sliced_sprites(w, h, spritesequence)


def load_resources(pygame_arg):
    prog = progressbar.progressBar()
    # loading sounds
    # sounds is a dict that contains all the sounds
    # global pygame = pygame_arg
    prog.update(0)
    soundlist = ["laser.wav", "laser2.wav", "laser3.wav", "laser4.wav", "laser5.wav",
                 "explosion.wav", "explosion2.wav", "life.wav", "ouch.wav", "loser.wav", "shield1.wav",
                 "armor.wav", "plasma1.wav", "plasmagun.wav", "noise.wav", "menu.wav", "click.wav"]

    for index in xrange(len(soundlist)):
        add_sound(soundlist[index])
        prog.update(index * 40 / len(soundlist))

    sprite_load_list = ["sprite_ship.png", "sprite_ship_fire.png",  "sprite_ship_weapon2.png",
                        "sprite_laser.png", "sprite_laser_blue.png", "sprite_enemy.png",
                        "sprite_enemy_fire.png", "background.png", "backgroundtransp.png", "asteroid1.png",
                        "asteroid2.png", "asteroid3.png", "planet1.png", "planet2.png", "planet3.png",
                        "lifebonus.png", "armorbonus.png", "lifeBonusRing.png", "armorBonusRing.png",
                        "lifemask.png", "ball1.png", "sprite_laser_blue_light.png", "sprite_laser_light.png",
                        "ball1_light.png", "lifeBonusLight.png", "menu_micshooter.png", "menu_options.png",
                        "menu_optionsblurry.png", "menu_play.png", "menu_playblurry.png", "menu_resume.png",
                        "menu_resumeblurry.png",  "menu_quit.png", "menu_quitblurry.png", "menu_sound.png",
                        "menu_on.png", "menu_off.png", "menu_resolution.png", "menu_800600.png", "menu_800500.png",
                        "sprite_enemy2.png", "plasmaBonusRing.png", "plasmabonus.png", "boss1.png",
                        "particle1.png", "particle2.png", "particle3.png", "particle4.png", "barArmor.png", "barLife.png",
                        "johnson.png", "smoke.png", "sprite_ship_shooting_plasma.png", "glow_plasma_shooting.png",
                        "sprite_ship_shooting_laser.png", "glow_laser_shooting.png"]

    for index in xrange(len(sprite_load_list)):
        add_sprite(sprite_load_list[index])
        prog.update((index * 60 / len(sprite_load_list)) + 40)

    pygame.display.set_icon(single_sprites["sprite_ship.png"])

    # loading sprite sequences
    add_sprite_sequence("sprite_explosion_list.png", 204, 256)
    add_sprite_sequence("sprite_explosion_list_asteroid.png", 192, 192)
    add_sprite_sequence("ship_hurt.png", 192 / 2, 192 / 2)
    prog.update(100)
    return (sounds, single_sprites, sprite_sequences)