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import sys, struct, re, random
from ethyl import *
if len(sys.argv) != 3:
print 'Usage: python write-brlyt.py input.rlyt.py output.brlyt'
print '(for example, see test.rlyt.py)'
sys.exit(1)
f = open(sys.argv[1], 'r')
chunks = eval(f.read())
f.close()
# ugly hack
def flatten(chunks):
a = []
for c in chunks:
if type(c) == list:
a += flatten(c)
else:
a.append(c)
return a
chunks = flatten(chunks)
rlyt = 'RLYT\xfe\xff\x00\x08\x00\x00\x00\x00' # size later
rlyt += struct.pack('>hh', 0x10, len(chunks))
materials = None
for c in chunks:
if isinstance(c, basestring):
typ = c
chunk = ''
else:
typ, vars = c
if typ == 'lyt1':
chunk = unparse_data(vars, 'lytheader')
elif typ == 'grp1':
vars['numsubs'] = len(vars['subs'])
chunk = unparse_data(vars, 'group')
for sub in vars['subs']:
chunk += unnullterm(sub, 16)
elif typ in ('txl1', 'fnl1',):
things = {'txl1': 'textures', 'fnl1': 'files'}[typ]
ls = vars[things]
chunk = struct.pack('>hh', len(ls), 0)
strings = ''
offss = []
for thing in ls:
name = thing['name'] + '\x00'
offss.append(len(strings))
strings += name
for n, thing in enumerate(ls):
chunk += struct.pack('>II', offss[n] + 8 * len(ls), thing['unk'])
chunk += strings
if typ == 'txl1':
textures = ls
else:
filenames = ls
elif typ == 'mat1':
materials = []
mchunks = []
for mat in vars['materials']:
flags = mat['flags'] if mat.has_key('flags') else 0
for a in mat['texref']:
a['tex_offs'] = [i for i in xrange(len(textures)) if textures[i]['name'] == a['tex']][0]
c1, flags = put_array(mat['texref'], flags, 28, 31, 4, 'texref')
c2, flags = put_array(mat['ua2'], flags, 24, 27, 0x14, 'ua2')
c3, flags = put_array(mat['ua3'], flags, 20, 23, 4, '4b')
c4, flags = put_opt(mat['ua4'], flags, 6, 4, '4b')
c5, flags = put_opt(mat['ua5'], flags, 4, 4, '4b')
c6, flags = put_opt(mat['ua6'], flags, 19, 4, '4b')
c7, flags = put_array(mat['ua7'], flags, 17, 18, 0x14, 'ua7')
c8, flags = put_array(mat['ua8'], flags, 14, 16, 4, '4b')
c9, flags = put_array(mat['ua9'], flags, 9, 13, 0x10, '10b')
ca, flags = put_opt(mat['uaa'], flags, 8, 4, '4b')
cb, flags = put_opt(mat['uab'], flags, 7, 4, '4b')
mat['flags'] = flags
mchunk = unparse_data(mat, 'material')
assert len(mchunk) == 0x40
mchunk += c1 + c2 + c3 + c4 + c5 + c6 + c7 + c8 + c9 + ca + cb
mchunks.append(mchunk)
materials.append(mat['name'])
chunk = struct.pack('>hh', len(mchunks), 0)
zchunk = ''
for a in mchunks:
chunk += struct.pack('>I', 0xc + 4*len(mchunks) + len(zchunk))
zchunk += a
chunk += zchunk
elif typ in ('pic1', 'pan1', 'bnd1', 'wnd1', 'txt1'):
chunk = unparse_data(vars, 'pane')
if typ == 'txt1':
vars['~text.name_offs'] = 0x74
vars['~text.mat_off'] = materials.index(vars['~text.material'])
blob = untv(unicode(vars['~text.text']).encode('utf_16_be'))
vars['~text.len1'] = vars['~text.len2'] = len(blob)
chunk += unparse_data(vars, 'text', prefix='~text')
chunk += blob
elif typ == 'pic1':
vars['~pic.mat_off'] = materials.index(vars['~pic.material'])
vars['~pic.num_texcoords'] = len(vars['~pic.texcoords'])
chunk += unparse_data(vars, 'pic', prefix='~pic')
for tc in vars['~pic.texcoords']:
chunk += struct.pack('>ffffffff', *tc)
elif typ not in ('pan1', 'bnd1'):
failz
else:
raise Exception('Unhandled type %s' % typ)
while len(chunk) % 4 != 0:
chunk += '\0'
rlyt += typ + struct.pack('>I', len(chunk) + 8) + chunk
rlyt = rlyt[:8] + struct.pack('>I', len(rlyt)) + rlyt[0xc:]
g = open(sys.argv[2], 'wb')
g.write(rlyt)
g.close()
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