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The mdd exporter was skipping the first frame, fix from bill nieuwendorp (slow67)

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This commit is contained in:
Tom Musgrove 2008-04-20 16:18:43 +00:00
parent b43f24a944
commit 9629d8e561
1 changed files with 25 additions and 11 deletions
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36
release/scripts/export_mdd.py
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@ -45,7 +45,7 @@ try:
except:
pack = None
def zero_file(filepath):
'''
If a file fails, this replaces it with 1 char, better not remove it?
@ -54,6 +54,18 @@ def zero_file(filepath):
file.write('\n') # aparently macosx needs some data in a blank file?
file.close()
def check_vertcount(mesh,vertcount):
'''
check and make sure the vertcount is consistent throghout the frame range
'''
if len(mesh.verts) != vertcount:
Blender.Draw.PupMenu('Error%t|Number of verts has changed during animation|cannot export')
f.close()
zero_file(filepath)
return
def mdd_export(filepath, ob, PREF_STARTFRAME, PREF_ENDFRAME, PREF_FPS):
Window.EditMode(0)
@ -84,23 +96,25 @@ def mdd_export(filepath, ob, PREF_STARTFRAME, PREF_ENDFRAME, PREF_FPS):
f = open(filepath, 'wb') #no Errors yet:Safe to create file
# Write the header
f.write(pack(">2i", numframes-1, numverts))
f.write(pack(">2i", numframes, numverts))
# Write the frame times (should we use the time IPO??)
f.write( pack(">%df" % (numframes-1), *[frame/PREF_FPS for frame in xrange(numframes-1)]) ) # seconds
f.write( pack(">%df" % (numframes), *[frame/PREF_FPS for frame in xrange(numframes)]) ) # seconds
#rest frame needed to keep frames in sync
Blender.Set('curframe', PREF_STARTFRAME)
me_tmp.getFromObject(ob.name)
check_vertcount(me_tmp,numverts)
me_tmp.transform(ob.matrixWorld * mat_flip)
f.write(pack(">%df" % (numverts*3), *[axis for v in me_tmp.verts for axis in v.co]))
me_tmp.verts= None
for frame in xrange(PREF_STARTFRAME,PREF_ENDFRAME+1):#in order to start at desired frame
Blender.Set('curframe', frame)
# Blender.Window.RedrawAll() # not needed
me_tmp.getFromObject(ob.name)
if len(me_tmp.verts) != numverts:
Blender.Draw.PupMenu('Error%t|Number of verts has changed during animation|cannot export')
Blender.Window.WaitCursor(0)
f.close() # should we zero?
zero_file(filepath)
return
check_vertcount(me_tmp,numverts)
me_tmp.transform(ob.matrixWorld * mat_flip)
@ -151,4 +165,4 @@ if __name__=='__main__':
if not pack:
Draw.PupMenu('Error%t|This script requires a full python install')
Blender.Window.FileSelector(mdd_export_ui, 'EXPORT MDD', sys.makename(ext='.mdd'))
Blender.Window.FileSelector(mdd_export_ui, 'EXPORT MDD', sys.makename(ext='.mdd'))