diff options
Diffstat (limited to 'release/scripts/bpymodules/blend2renderinfo.py')
-rw-r--r-- | release/scripts/bpymodules/blend2renderinfo.py | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/release/scripts/bpymodules/blend2renderinfo.py b/release/scripts/bpymodules/blend2renderinfo.py new file mode 100644 index 00000000000..1b9dec58d55 --- /dev/null +++ b/release/scripts/bpymodules/blend2renderinfo.py @@ -0,0 +1,95 @@ +#!/usr/bin/python + +# -------------------------------------------------------------------------- +# ***** BEGIN GPL LICENSE BLOCK ***** +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software Foundation, +# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +# +# ***** END GPL LICENCE BLOCK ***** +# -------------------------------------------------------------------------- + +import struct + +# In Blender, selecting scenes in the databrowser (shift+f4) will tag for rendering. + +# This struct wont change according to ton. +# Note that the size differs on 32/64bit +''' +typedef struct BHead { + int code, len; + void *old; + int SDNAnr, nr; +} BHead; +''' + + +def read_blend_rend_chunk(path): + file = open(path, 'rb') + + if file.read(len('BLENDER')) != 'BLENDER': + return [] + + # + if file.read(1) == '-': + is64bit = True + else: # '_' + is64bit = False + + if file.read(1) == 'V': + isBigEndian = True # ppc + else: # 'V' + isBigEndian = False # x86 + + + # Now read the bhead chunk!!! + file.read(3) # skip the version + + scenes = [] + + while file.read(4) == 'REND': + + if is64bit: sizeof_bhead = sizeof_bhead_left = 24 # 64bit + else: sizeof_bhead = sizeof_bhead_left = 20 # 32bit + + sizeof_bhead_left -= 4 + + if isBigEndian: rend_length = struct.unpack('>i', file.read(4))[0] + else: rend_length = struct.unpack('<i', file.read(4))[0] + + sizeof_bhead_left -= 4 + + # We dont care about the rest of the bhead struct + file.read(sizeof_bhead_left) + + # Now we want the scene name, start and end frame. this is 32bites long + + if isBigEndian: start_frame, end_frame = struct.unpack('>2i', file.read(8)) + else: start_frame, end_frame = struct.unpack('<2i', file.read(8)) + + scene_name = file.read(24) + scene_name = scene_name[ : scene_name.index('\0') ] + + scenes.append( (start_frame, end_frame, scene_name) ) + return scenes + +def main(): + import sys + for arg in sys.argv[1:]: + if arg.lower().endswith('.blend'): + print read_blend_rend_chunk(arg) + +if __name__ == '__main__': + main() + |