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""" sfx.sfx - pygame.mixer initialization and sound effects handling """
import os
from random import choice
from pathlib import Path
import pygame
from sliceitoff.settings import settings
DEBUG = os.getenv("DEBUG")
class Sfx:
""" Sound Effects and Music? """
def __init__(self):
self.initialized = False
self.sound = {}
self.bgm = None
try:
self.sfx_volume = int(
settings.get_value_or_default("sfx_volume"))
self.music_volume = int(
settings.get_value_or_default("music_volume"))
except ValueError:
self.sfx_volume = 10
self.music_volume = 10
try:
pygame.mixer.pre_init(channels=2, buffer=512, frequency=48000)
except pygame.error:
pass
def init(self, base_path):
""" To be called after pygame is initialized. Actual mixer init and
sample loading happens here """
try:
pygame.mixer.init()
self.initialized = True
for mp3_file in Path(base_path).glob('*.mp3'):
self.sound[str(mp3_file.stem)] = pygame.mixer.Sound(mp3_file)
if DEBUG:
print("Loading sound:", mp3_file, str(mp3_file.stem))
except pygame.error:
pass
def sfx_up(self):
""" Turn volume up. If its turned to 11 it resets back to 0. """
self.sfx_volume += 1
self.sfx_volume %= 11
settings.replace_value("sfx_volume", self.sfx_volume)
self.play(choice(("baby", "laser", "glass")))
def music_up(self):
""" Turn volume up. If its turned to 11 it resets back to 0. """
self.music_volume += 1
self.music_volume %= 11
settings.replace_value("music_volume", self.music_volume)
if self.bgm:
self.sound[self.bgm].set_volume(self.music_volume / 10)
def play(self, sample):
""" Just plays named sample loaded from assets directory """
if self.initialized:
self.sound[sample].set_volume(self.sfx_volume / 10)
self.sound[sample].play()
def music(self, music):
""" Plays sample as music. There is only one music at the time """
if not self.initialized:
return
if self.bgm == music:
return
if self.bgm:
self.sound[self.bgm].fadeout(500)
self.bgm = music
if self.bgm:
self.sound[self.bgm].set_volume(self.music_volume / 10)
self.sound[self.bgm].play()
# Initialize only one time
try:
# pylint: disable = used-before-assignment
# This is intented behaviour
sfx
except NameError:
sfx = Sfx()
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