forked from bartvdbraak/blender
159 lines
4.4 KiB
Python
159 lines
4.4 KiB
Python
#!BPY
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"""
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Name: 'Load MDD to Mesh RVKs'
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Blender: 242
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Group: 'Import'
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Tooltip: 'baked vertex animation to active mesh object.'
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"""
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__author__ = "Bill L.Nieuwendorp"
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__bpydoc__ = """\
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This script Imports Lightwaves MotionDesigner format.
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The .mdd format has become quite a popular Pipeline format<br>
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for moving animations from package to package.
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"""
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# mdd importer
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#
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# Warning if the vertex order or vertex count differs from the
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# origonal model the mdd was Baked out from their will be Strange
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# behavior
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#
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#
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#vertex animation to ShapeKeys with ipo and gives the frame a value of 1.0
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#A modifier to read mdd files would be Ideal but thats for another day :)
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#
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#Please send any fixes,updates,bugs to Slow67_at_Gmail.com
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#Bill Niewuendorp
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# ***** BEGIN GPL LICENSE BLOCK *****
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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# ***** END GPL LICENCE BLOCK *****
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try:
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from struct import unpack
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except:
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unpack = None
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import Blender
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from Blender import Mesh, Object, Scene
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import BPyMessages
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def mdd_import(filepath, ob, PREF_IPONAME, PREF_START_FRAME, PREF_JUMP):
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print '\n\nimporting mdd "%s"' % filepath
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Blender.Window.DrawProgressBar (0.0, "Importing mdd ...")
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Blender.Window.EditMode(0)
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Blender.Window.WaitCursor(1)
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file = open(filepath, 'rb')
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frames, points = unpack(">2i", file.read(8))
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time = unpack((">%df" % frames), file.read(frames * 4))
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print '\tpoints:%d frames:%d' % (points,frames)
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scn = Scene.GetCurrent()
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ctx = scn.getRenderingContext()
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Blender.Set("curframe", PREF_START_FRAME)
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me = ob.getData(mesh=1)
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def UpdateMesh(me,fr):
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for v in me.verts:
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# 12 is the size of 3 floats
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x,y,z= unpack('>3f', file.read(12))
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v.co[:] = x,z,y
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me.update()
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Blender.Window.DrawProgressBar (0.4, "4 Importing mdd ...")
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curfr = ctx.currentFrame()
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print'\twriting mdd data...'
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for i in xrange(frames):
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Blender.Set("curframe", i+PREF_START_FRAME)
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if len(me.verts) > 1 and (curfr >= PREF_START_FRAME) and (curfr <= PREF_START_FRAME+frames):
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UpdateMesh(me, i)
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ob.insertShapeKey()
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Blender.Window.DrawProgressBar (0.5, "5 Importing mdd ...")
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key= me.key
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# Add the key of its not there
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if not key:
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me.insertKey(1, 'relative')
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key= me.key
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key.ipo = Blender.Ipo.New('Key', PREF_IPONAME)
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ipo = key.ipo
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# block = key.getBlocks() # not used.
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all_keys = ipo.curveConsts
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for i in xrange(PREF_JUMP+1, len(all_keys), PREF_JUMP):
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curve = ipo.getCurve(i)
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if curve == None:
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curve = ipo.addCurve(all_keys[i])
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curve.append((PREF_START_FRAME+i-1,1))
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curve.append((PREF_START_FRAME+i- PREF_JUMP -1,0))
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curve.append((PREF_START_FRAME+i+ PREF_JUMP-1,0))
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curve.setInterpolation('Linear')
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curve.recalc()
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print 'done'
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Blender.Window.WaitCursor(0)
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Blender.Window.DrawProgressBar (1.0, '')
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def mdd_import_ui(filepath):
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if BPyMessages.Error_NoFile(filepath):
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return
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scn= Scene.GetCurrent()
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ob_act= scn.objects.active
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if ob_act == None or ob_act.type != 'Mesh':
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BPyMessages.Error_NoMeshActive()
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return
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PREF_IPONAME = Blender.Draw.Create(filepath.split('/')[-1].split('\\')[-1].split('.')[0])
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PREF_START_FRAME = Blender.Draw.Create(1)
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PREF_JUMP = Blender.Draw.Create(1)
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block = [\
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("Ipo Name: ", PREF_IPONAME, 0, 30, "Ipo name for the new shape key"),\
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("Start Frame: ", PREF_START_FRAME, 1, 3000, "Start frame for the animation"),\
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("Key Skip: ", PREF_JUMP, 1, 100, "KeyReduction, Skip every Nth Frame")\
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]
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if not Blender.Draw.PupBlock("Import MDD", block):
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return
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orig_frame = Blender.Get('curframe')
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mdd_import(filepath, ob_act, PREF_IPONAME.val, PREF_START_FRAME.val, PREF_JUMP.val)
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Blender.Set('curframe', orig_frame)
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if __name__ == '__main__':
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if not unpack:
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Draw.PupMenu('Error%t|This script requires a full python install')
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Blender.Window.FileSelector(mdd_import_ui, 'IMPORT MDD', '*.mdd')
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