ref: a129ba7b43b743efacf2926f4443b5f1d6305ef8
dir: /gfx.py/
"""Supplementary scripts for graphics conversion."""
import os
import argparse
from extras.pokemontools import gfx, lz
# Graphics with inverted tilemaps that aren't covered by filepath_rules.
pics = [
'gfx/shrink1',
'gfx/shrink2',
]
def filepath_rules(filepath):
"""Infer attributes of certain graphics by their location in the filesystem."""
args = {}
filedir, filename = os.path.split(filepath)
name, ext = os.path.splitext(filename)
if 'gfx/pics/' in filedir:
if name == 'front':
args['pal_file'] = os.path.join(filedir, 'normal.pal')
args['pic'] = True
args['animate'] = True
elif name == 'back':
args['pal_file'] = os.path.join(filedir, 'shiny.pal')
args['pic'] = True
elif 'gfx/trainers' in filedir:
args['pic'] = True
elif os.path.join(filedir, name) in pics:
args['pic'] = True
if args.get('pal_file'):
args['palout'] = args['pal_file']
if args.get('pic'):
if ext == '.png':
w, h = gfx.png.Reader(filepath).asRGBA8()[:2]
w = min(w/8, h/8)
args['pic_dimensions'] = w, w
return args
def to_1bpp(filename, **kwargs):
_, ext = os.path.splitext(filename)
if ext == '.1bpp': pass
elif ext == '.2bpp': gfx.export_2bpp_to_1bpp(filename, **kwargs)
elif ext == '.png': gfx.export_png_to_1bpp(filename, **kwargs)
def to_2bpp(filename, **kwargs):
_, ext = os.path.splitext(filename)
if ext == '.1bpp': gfx.export_1bpp_to_2bpp(filename, **kwargs)
elif ext == '.2bpp': pass
elif ext == '.png': gfx.export_png_to_2bpp(filename, **kwargs)
def to_png(filename, **kwargs):
_, ext = os.path.splitext(filename)
if ext == '.1bpp': gfx.export_1bpp_to_png(filename, **kwargs)
elif ext == '.2bpp': gfx.export_2bpp_to_png(filename, **kwargs)
elif ext == '.png': pass
def compress(filename, **kwargs):
data = open(filename, 'rb').read()
lz_data = lz.Compressed(data).output
open(filename + '.lz', 'wb').write(bytearray(lz_data))
def decompress(filename, **kwargs):
lz_data = open(filename, 'rb').read()
data = lz.Decompressed(lz_data).output
name, ext = os.path.splitext(filename)
open(name, 'wb').write(bytearray(data))
methods = {
'2bpp': to_2bpp,
'1bpp': to_1bpp,
'png': to_png,
'lz': compress,
'unlz': decompress,
}
def main(method_name, filenames=None):
if filenames is None: filenames = []
for filename in filenames:
args = filepath_rules(filename)
method = methods.get(method_name)
if method:
method(filename, **args)
def get_args():
ap = argparse.ArgumentParser()
ap.add_argument('method_name')
ap.add_argument('filenames', nargs='*')
args = ap.parse_args()
return args
if __name__ == '__main__':
main(**get_args().__dict__)