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#!/usr/bin/env python
####################################################################################
# copyright 2008 Gabriel Pettier <gabriel.pettier@gmail.com>
#
# This file is part of UltimateSmashFriends
#
# UltimateSmashFriends is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# UltimateSmashFriends is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with UltimateSmashFriends. If not, see <http://www.gnu.org/licenses/>.
##################################################################################
# standards imports
import os, sys
import pygame
# my imports
import loaders
import music
import animations
from pygame.locals import BLEND_MAX
import config
from debug_utils import LOG
def memoize(function):
cache = {}
def decorated_function(*args, **kwargs):
params = (args)+tuple(zip(kwargs.keys(),kwargs.values()))
try:
return cache[params]
except:
val = function(*args, **kwargs)
cache[params] = val
return val
return decorated_function
@memoize
def image(name, *args, **kwargs):
"""
A function to load an image, shamelessly picked from pygame
tutorial, and grossly adjusted for native transparency support of png.
Can scale and reverse horizontaly an image, can produce a lightened version
of an image.
keywords arguments accepted are the followings:
zoom=None, colorkey=None, server=False, lighten=False, reversed=False,
"""
# FIXME: should not have to load the image in server mode, we just want
# it's size!
if 'reversed' in kwargs and kwargs['reversed'] == True:
kwargs['reversed'] = False
#LOG().log("reverse "+name)
image = pygame.transform.flip(
loaders.image(name,*args, **kwargs)[0],
True, #flip horizontaly
False #not verticaly
)
elif 'lighten' in kwargs and kwargs['lighten'] == True:
#LOG().log('lightened: '+name)
kwargs['lighten'] = False
image = loaders.image(name, *args, **kwargs)[0].copy()
image.fill(
pygame.Color('lightgrey'),
None,
BLEND_MAX
)
elif 'zoom' in kwargs and kwargs['zoom'] not in (None, 1):
zoom = kwargs['zoom']
kwargs['zoom'] = None
#LOG().log('scaling image '+name+' :'+str(zoom))
image = pygame.transform.scale(
loaders.image(name, **kwargs)[0],
(
int(loaders.image(name, *args, **kwargs)[1][2]*zoom*
config.config['SIZE'][0]/800),
int(loaders.image(name, *args, **kwargs)[1][3]*zoom*
config.config['SIZE'][1]/480)
)
)
else:
try:
image = pygame.image.load(name)
except pygame.error, message:
LOG().log('Cannot load image:'+str(name), 2)
raise# SystemExit, message
if 'colorkey' not in kwargs or kwargs['colorkey'] is None:
image = image.convert_alpha()
if 'colorkey' in kwargs and kwargs['colorkey'] is not None:
image = image.convert()
if colorkey is -1:
colorkey = image.get_at((0,0))
image.set_colorkey(colorkey, RLEACCEL)
return image, image.get_rect()
@memoize
def track(name):
return pygame.mixer.Sound(name)
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