ref: 47495e7d66177e1ecfcbe21809e2de79c2beb6d2
dir: /tools/gfx.py/
#!/usr/bin/env python2
# -*- coding: utf-8 -*-
"""Supplementary scripts for graphics conversion."""
import os
import argparse
from pokemontools import gfx, lz
# Graphics with inverted tilemaps that aren't covered by filepath_rules.
pics = [
'gfx/shrink1',
'gfx/shrink2',
]
def recursive_read(filename):
def recurse(filename_):
lines = []
for line in open(filename_):
if 'include "' in line.lower():
lines += recurse(line.split('"')[1])
else:
lines += [line]
return lines
lines = recurse(filename)
return ''.join(lines)
base_stats = None
def get_base_stats():
global base_stats
if not base_stats:
base_stats = recursive_read('data/base_stats.asm')
return base_stats
def get_pokemon_dimensions(path):
try:
byte = bytearray(open(path, 'rb').read())[0]
width = byte & 0xf
height = (byte >> 8) & 0xf
return width, height
except:
return None
def get_animation_frames(path=None, w=7, h=7, bitmask_path=None, frame_path=None):
"""Retrieve animation frame tilemaps from generated frame/bitmask data."""
if not path:
path = bitmask_path
if not path:
path = frame_path
if not path:
raise Exception("need at least one of path, bitmask_path or frame_path")
if not bitmask_path:
bitmask_path = os.path.join(os.path.split(path)[0], 'bitmask.asm')
if not frame_path:
frame_path = os.path.join(os.path.split(path)[0], 'frames.asm')
bitmask_lines = open(bitmask_path).readlines()
frame_lines = open(frame_path).readlines()
bitmask_length = w * h
bitmasks = []
bitmask = []
for line in bitmask_lines:
if '\tdb ' in line:
value = line.split('\tdb ')[1].strip().replace('%', '0b')
value = int(value, 0)
#print line.strip(), value, len(bitmasks), len(bitmask)
for bit in xrange(8):
bitmask += [(value >> bit) & 1]
if len(bitmask) >= bitmask_length:
bitmasks += [bitmask]
bitmask = []
break
if bitmask:
bitmasks += [bitmask]
frames = []
frame_labels = []
i = 0
for line in frame_lines:
if '\tdw ' in line:
frame_labels += [line.split('\tdw ')[1].strip()]
else:
for part in line.split():
part = part.strip()
if part in frame_labels:
frames += [(part, i)]
i += 1
results = []
for label, i in frames:
result = []
# get the bitmask and tile ids for each frame
# don't care if we read past bounds, so just read the rest of the file
values = []
for line in frame_lines[i:]:
if '\tdb ' in line:
values += line.split('\tdb ')[1].split(';')[0].split(',')
#print bitmasks
#print values[0]
#print int(values[0].replace('$', '0x'), 0)
bitmask = bitmasks[int(values[0].replace('$', '0x'), 0)]
tiles = values[1:]
k = 0
j = 0
for bit in bitmask:
if bit:
result += [int(tiles[k].replace('$', '0x'), 0)]
k += 1
else:
result += [j]
j += 1
results += [result]
return results
def get_animated_graphics(path, w=7, h=7, bitmask_path=None, frame_path=None):
frames = get_animation_frames(path, w, h, bitmask_path, frame_path)
new_path = path.replace('.animated.2bpp', '.2bpp')
tiles = gfx.get_tiles(bytearray(open(path, 'rb').read()))
new_tiles = tiles[:w * h]
for frame in frames:
for tile in frame:
new_tiles += [tiles[tile]]
new_graphic = gfx.connect(new_tiles)
print new_path, list(new_graphic)
open(new_path, 'wb').write(bytearray(new_graphic))
return new_path
def filepath_rules(filepath):
"""Infer attributes of certain graphics by their location in the filesystem."""
args = {}
filedir, filename = os.path.split(filepath)
if filedir.startswith('./'):
filedir = filedir[2:]
name, ext = os.path.splitext(filename)
if ext == '.lz':
name, ext = os.path.splitext(name)
pokemon_name = ''
if 'gfx/pokemon/' in filedir:
pokemon_name = filedir.split('/')[-1]
if pokemon_name.startswith('unown_'):
index = filedir.find(pokemon_name)
if index != -1:
filedir = filedir[:index + len('unown')] + filedir[index + len('unown_a'):]
if name == 'front' or name == 'front.animated':
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, 'normal.pal')
args['pic'] = True
elif 'gfx/trainers' in filedir:
args['pic'] = True
elif os.path.join(filedir, name) in pics:
args['pic'] = True
elif filedir == 'gfx/tilesets':
args['tileset'] = True
if args.get('pal_file'):
if os.path.exists(args['pal_file']):
args['palout'] = args['pal_file']
else:
del 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
elif ext == '.2bpp':
if pokemon_name and name == 'front' or name == 'front.animated':
w, h = get_pokemon_dimensions(filepath.replace(ext, '.dimensions')) or (7, 7)
args['pic_dimensions'] = w, w
elif pokemon_name and name == 'back':
args['pic_dimensions'] = 6, 6
else:
args['pic_dimensions'] = 7, 7
if args.get('tileset'):
args['width'] = 128
return args
def to_1bpp(filename, **kwargs):
name, 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)
elif ext == '.lz':
decompress(filename, **kwargs)
to_1bpp(name, **kwargs)
def to_2bpp(filename, **kwargs):
name, 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)
elif ext == '.lz':
decompress(filename, **kwargs)
to_2bpp(name, **kwargs)
def to_png(filename, **kwargs):
name, ext = os.path.splitext(filename)
if ext == '.1bpp': gfx.export_1bpp_to_png(filename, **kwargs)
elif ext == '.2bpp' and name.endswith('.animated'):
w, h = kwargs.get('pic_dimensions') or (7, 7)
new_path = get_animated_graphics(filename, w=w, h=h)
return to_png(new_path, **kwargs)
elif ext == '.2bpp': gfx.export_2bpp_to_png(filename, **kwargs)
elif ext == '.png': pass
elif ext == '.lz':
decompress(filename, **kwargs)
to_png(name, **kwargs)
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__)