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Refactor get_pic_animation.

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This commit is contained in:
yenatch 2015-02-07 12:36:22 -08:00
parent 0182bcaf8f
commit aec2e7ff64
1 changed files with 18 additions and 20 deletions
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38
pokemontools/gfx.py
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@ -1387,40 +1387,38 @@ def get_pic_animation(tmap, w, h):
"""
Generate pic animation data from a combined tilemap of each frame.
"""
frame_text = ''
bitmask_text = ''
frames = list(split(tmap, w * h))
base = frames.pop(0)
bitmasks = []
frame_text += ''.join(
'\tdw .frame{0}\n'.format(i + 1) for i, frame in enumerate(frames[1:])
)
for i in xrange(len(frames)):
frame_text += '\tdw .frame{}\n'.format(i + 1)
for i, frame in enumerate(frames[1:]):
bitmask = map(
lambda (i, x):
int(x != frames[0][i]),
enumerate(frame)
)
for i, frame in enumerate(frames):
bitmask = map(operator.eq, frame, base)
if bitmask not in bitmasks:
bitmasks.append(bitmask)
which_bitmask = bitmasks.index(bitmask)
frame_ = [x for _, x in filter(lambda (i, x): bitmask[i], enumerate(frame))]
frame_text += '\n'.join([
'.frame{0}'.format(i + 1),
'\tdb ${0:02x} ; bitmask'.format(which_bitmask),
('\tdb ' + ', '.join(map('${0:02x}'.format, frame_))) if frame_ else '',
]) + '\n'
mask = iter(bitmask)
masked_frame = filter(mask.next, frame)
frame_text += '.frame{}\n'.format(i + 1)
frame_text += '\tdb ${:02x} ; bitmask\n'.format(which_bitmask)
if masked_frame:
frame_text += '\tdb {}\n'.format(', '.join(
map('${:02x}'.format, masked_frame)
))
frame_text += '\n'
for i, bitmask in enumerate(bitmasks):
bitmask_text += '; {0}\n'.format(i)
bitmask_text += '; {}\n'.format(i)
for byte in split(bitmask, 8):
byte.reverse()
byte = int(''.join(map(str, byte)), 2)
bitmask_text += '\tdb %{0:08b}\n'.format(byte)
byte = int(''.join(map(int.__repr__, reversed(byte))), 2)
bitmask_text += '\tdb %{:08b}\n'.format(byte)
return frame_text, bitmask_text