def test_arc_from_dir_re5(tmpdir, arc_file):
"""get an arc file (ideally from the game), unpack it, repackit, unpack it again
compare the 2 arc files and the 2 output folders"""
arc_original = Arc(file_path=arc_file)
arc_original_out = os.path.join(str(tmpdir), os.path.basename(arc_file).replace('.arc', ''))
arc_original.unpack(arc_original_out)
arc_from_dir = Arc.from_dir(arc_original_out)
arc_from_dir_out = os.path.join(str(tmpdir), 'arc-from-dir.arc')
with open(arc_from_dir_out, 'wb') as w:
w.write(arc_from_dir)
arc_from_arc_from_dir = Arc(file_path=arc_from_dir_out)
arc_from_arc_from_dir_out = os.path.join(str(tmpdir), 'arc-from-arc-from-dir')
arc_from_arc_from_dir.unpack(arc_from_arc_from_dir_out)
files_extracted_1 = [f for _, _, files in os.walk(arc_original_out) for f in files]
files_extracted_2 = [f for _, _, files in os.walk(arc_from_arc_from_dir_out) for f in files]
# Assumming zlib default compression used in all original arc files.
assert os.path.getsize(arc_file) == os.path.getsize(arc_from_dir_out)
# The hashes would be different due to the file_paths ordering
assert arc_original.files_count == arc_from_arc_from_dir.files_count
assert sorted(files_extracted_1) == sorted(files_extracted_2)
assert arc_from_arc_from_dir.file_entries[0].offset == 32768
def export_arc(blender_object):
'''Exports an arc file containing mod and tex files, among others from a
previously imported arc.'''
mods = {}
try:
saved_arc = Arc(
file_path=BytesIO(blender_object.albam_imported_item.data))
except AttributeError:
raise ExportError(
'Object {0} did not come from the original arc'.format(
blender_object.name))
for child in blender_object.children:
try:
basename = posixpath.basename(child.name)
folder = child.albam_imported_item.folder
if os.sep == ntpath.sep: # Windows
mod_filepath = ntpath.join(ensure_ntpath(folder), basename)
else:
mod_filepath = os.path.join(folder, basename)
except AttributeError:
raise ExportError(
'Object {0} did not come from the original arc'.format(
child.name))
assert child.albam_imported_item.file_type == 'mtframework.mod'
mod, textures = export_mod156(child)
mods[mod_filepath] = (mod, textures)
with tempfile.TemporaryDirectory() as tmpdir:
tmpdir_slash_ending = tmpdir + os.sep if not tmpdir.endswith(
os.sep) else tmpdir
saved_arc.unpack(tmpdir)
mod_files = [
os.path.join(root, f) for root, _, files in os.walk(tmpdir)
for f in files if f.endswith('.mod')
]
# tex_files = {os.path.join(root, f) for root, _, files in os.walk(tmpdir)
# for f in files if f.endswith('.tex')}
new_tex_files = set()
for modf in mod_files:
rel_path = modf.split(tmpdir_slash_ending)[1]
try:
new_mod = mods[rel_path]
except KeyError:
raise ExportError(
"Can't export to arc, a mod file is missing: {}".format(
rel_path))
with open(modf, 'wb') as w:
w.write(new_mod[0])
mod_textures = new_mod[1]
for texture in mod_textures:
tex = Tex112.from_dds(
file_path=bpy.path.abspath(texture.image.filepath))
try:
tex.unk_float_1 = texture.albam_imported_texture_value_1
tex.unk_float_2 = texture.albam_imported_texture_value_2
tex.unk_float_3 = texture.albam_imported_texture_value_3
tex.unk_float_4 = texture.albam_imported_texture_value_4
except AttributeError:
pass
tex_name = os.path.basename(texture.image.filepath)
tex_filepath = os.path.join(os.path.dirname(modf),
tex_name.replace('.dds', '.tex'))
new_tex_files.add(tex_filepath)
with open(tex_filepath, 'wb') as w:
w.write(tex)
# probably other files can reference textures besides mod, this is in case
# textures applied have other names.
# TODO: delete only textures referenced from saved_mods at import time
# unused_tex_files = tex_files - new_tex_files
# for utex in unused_tex_files:
# os.unlink(utex)
new_arc = Arc.from_dir(tmpdir)
return new_arc
def export_arc(blender_object):
'''Exports an arc file containing mod and tex files, among others from a
previously imported arc.'''
mods = {}
try:
saved_arc = Arc(file_path=BytesIO(blender_object.albam_imported_item.data))
except AttributeError:
raise ExportError('Object {0} did not come from the original arc'.format(blender_object.name))
for child in blender_object.children:
try:
basename = posixpath.basename(child.name)
folder = child.albam_imported_item.folder
if os.sep == ntpath.sep: # Windows
mod_filepath = ntpath.join(ensure_ntpath(folder), basename)
else:
mod_filepath = os.path.join(folder, basename)
except AttributeError:
raise ExportError('Object {0} did not come from the original arc'.format(child.name))
assert child.albam_imported_item.file_type == 'mtframework.mod'
mod, textures = export_mod156(child)
mods[mod_filepath] = (mod, textures)
with tempfile.TemporaryDirectory() as tmpdir:
tmpdir_slash_ending = tmpdir + os.sep if not tmpdir.endswith(os.sep) else tmpdir
saved_arc.unpack(tmpdir)
mod_files = [os.path.join(root, f) for root, _, files in os.walk(tmpdir)
for f in files if f.endswith('.mod')]
# tex_files = {os.path.join(root, f) for root, _, files in os.walk(tmpdir)
# for f in files if f.endswith('.tex')}
new_tex_files = set()
for modf in mod_files:
rel_path = modf.split(tmpdir_slash_ending)[1]
try:
new_mod = mods[rel_path]
except KeyError:
raise ExportError("Can't export to arc, a mod file is missing: {}".format(rel_path))
with open(modf, 'wb') as w:
w.write(new_mod[0])
mod_textures = new_mod[1]
for texture in mod_textures:
tex = Tex112.from_dds(file_path=bpy.path.abspath(texture.image.filepath))
try:
tex.unk_float_1 = texture.albam_imported_texture_value_1
tex.unk_float_2 = texture.albam_imported_texture_value_2
tex.unk_float_3 = texture.albam_imported_texture_value_3
tex.unk_float_4 = texture.albam_imported_texture_value_4
except AttributeError:
pass
tex_name = os.path.basename(texture.image.filepath)
tex_filepath = os.path.join(os.path.dirname(modf), tex_name.replace('.dds', '.tex'))
new_tex_files.add(tex_filepath)
with open(tex_filepath, 'wb') as w:
w.write(tex)
# probably other files can reference textures besides mod, this is in case
# textures applied have other names.
# TODO: delete only textures referenced from saved_mods at import time
# unused_tex_files = tex_files - new_tex_files
# for utex in unused_tex_files:
# os.unlink(utex)
new_arc = Arc.from_dir(tmpdir)
return new_arc