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import sys, struct, re
from ethyl import *
f = open(sys.argv[1], 'rb')
rlyt = f.read()
f.close()
assert rlyt[0:8] == 'RLYT\xfe\xff\x00\x08'
offs, nel = struct.unpack('>hh', rlyt[0xc:0x10])
ch = iff_to_chunks(rlyt[offs:])
assert len(ch) == nel
indent = 0
for typ, chunk in ch:
print ' ' * indent + typ + ' ' + hex(len(chunk))
vars = None
if typ in ('pic1', 'pan1', 'bnd1', 'wnd1', 'txt1'):
vars, pos = parse_data(chunk, 'pane')
assert chunk[:pos] == unparse_data(vars, 'pane') # for testing
if typ == 'txt1':
vars2, pos = parse_data(chunk[pos:], 'text', '~text')
os = vars2['~text.name_offs'] - 8
txt = chunk[os:os + vars2['~text.len2']]
vars2['~text.text'] = unicode(txt, 'utf_16_be').rstrip('\x00')
vars2['~text.material'] = materials[vars2['~text.mat_off']]
vars.update(vars2)
#print vars['~text.cnt2'], len(vars2['~text.text']), len(txt), repr(txt)
elif typ == 'pic1':
vars2, pos = parse_data(chunk, 'pic', prefix='~pic', start=pos)
vars2['~pic.material'] = materials[vars2['~pic.mat_off']]
vars2['~pic.texcoords'] = []
for n in xrange(vars2['~pic.num_texcoords']):
vars2['~pic.texcoords'].append(struct.unpack('>ffffffff', chunk[pos:pos+0x20]))
pos += 0x20
assert pos == len(chunk)
vars.update(vars2)
elif typ == 'lyt1':
vars = parse_data(chunk, 'lytheader')
elif typ == 'grp1':
vars, pos = parse_data(chunk, 'group')
vars['subs'] = []
for n in xrange(vars['numsubs']):
vars['subs'].append(nullterm(chunk[pos:pos+16]))
pos += 16
elif typ in ('txl1', 'fnl1', 'mat1'):
things = {'txl1': 'textures', 'fnl1': 'files', 'mat1': 'materials'}[typ]
vars, pos = parse_data(chunk, 'numoffs')
vars[things] = []
pos += vars['offs']
bpos = pos
del vars['offs'] # unneeded
for n in xrange(vars['num']):
if typ == 'mat1':
offset, = struct.unpack('>I', chunk[pos:pos+4])
pos += 4
else:
offset, unk = struct.unpack('>II', chunk[pos:pos+8])
pos += 8
name = nullterm(chunk[(-8 if typ == 'mat1' else bpos) + offset:])
vars[things].append(name if typ == 'mat1' else {'name': name, 'unk': unk})
if typ == 'mat1':
materials = vars['materials']
elif typ in ('grs1', 'pas1'):
indent += 1
elif typ in ('gre1', 'pae1'):
indent -= 1
else:
print 'Unhandled type %s' % typ
print repr(chunk)
if vars: pr_dict(vars, ' ' * indent + ' ')
#print hex(len(ch))
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