forked from bartvdbraak/blender
The mdd exporter was skipping the first frame, fix from bill nieuwendorp (slow67)
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b43f24a944
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9629d8e561
@ -45,7 +45,7 @@ try:
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except:
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pack = None
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def zero_file(filepath):
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'''
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If a file fails, this replaces it with 1 char, better not remove it?
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@ -54,6 +54,18 @@ def zero_file(filepath):
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file.write('\n') # aparently macosx needs some data in a blank file?
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file.close()
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def check_vertcount(mesh,vertcount):
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'''
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check and make sure the vertcount is consistent throghout the frame range
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'''
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if len(mesh.verts) != vertcount:
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Blender.Draw.PupMenu('Error%t|Number of verts has changed during animation|cannot export')
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f.close()
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zero_file(filepath)
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return
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def mdd_export(filepath, ob, PREF_STARTFRAME, PREF_ENDFRAME, PREF_FPS):
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Window.EditMode(0)
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@ -84,23 +96,25 @@ def mdd_export(filepath, ob, PREF_STARTFRAME, PREF_ENDFRAME, PREF_FPS):
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f = open(filepath, 'wb') #no Errors yet:Safe to create file
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# Write the header
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f.write(pack(">2i", numframes-1, numverts))
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f.write(pack(">2i", numframes, numverts))
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# Write the frame times (should we use the time IPO??)
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f.write( pack(">%df" % (numframes-1), *[frame/PREF_FPS for frame in xrange(numframes-1)]) ) # seconds
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f.write( pack(">%df" % (numframes), *[frame/PREF_FPS for frame in xrange(numframes)]) ) # seconds
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#rest frame needed to keep frames in sync
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Blender.Set('curframe', PREF_STARTFRAME)
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me_tmp.getFromObject(ob.name)
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check_vertcount(me_tmp,numverts)
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me_tmp.transform(ob.matrixWorld * mat_flip)
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f.write(pack(">%df" % (numverts*3), *[axis for v in me_tmp.verts for axis in v.co]))
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me_tmp.verts= None
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for frame in xrange(PREF_STARTFRAME,PREF_ENDFRAME+1):#in order to start at desired frame
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Blender.Set('curframe', frame)
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# Blender.Window.RedrawAll() # not needed
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me_tmp.getFromObject(ob.name)
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if len(me_tmp.verts) != numverts:
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Blender.Draw.PupMenu('Error%t|Number of verts has changed during animation|cannot export')
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Blender.Window.WaitCursor(0)
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f.close() # should we zero?
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zero_file(filepath)
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return
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check_vertcount(me_tmp,numverts)
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me_tmp.transform(ob.matrixWorld * mat_flip)
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@ -151,4 +165,4 @@ if __name__=='__main__':
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if not pack:
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Draw.PupMenu('Error%t|This script requires a full python install')
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Blender.Window.FileSelector(mdd_export_ui, 'EXPORT MDD', sys.makename(ext='.mdd'))
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Blender.Window.FileSelector(mdd_export_ui, 'EXPORT MDD', sys.makename(ext='.mdd'))
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