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#!BPY
"""
Name: 'Load MDD to Mesh RVKs'
Blender: 242
Group: 'Import'
Tooltip: 'baked vertex animation to active mesh object.'
"""
__author__ = "Bill L.Nieuwendorp"
__bpydoc__ = """\
This script Imports Lightwaves MotionDesigner format.
The .mdd format has become quite a popular Pipeline format<br>
for moving animations from package to package.
"""
# mdd importer
#
# Warning if the vertex order or vertex count differs from the
# origonal model the mdd was Baked out from their will be Strange
# behavior
#
#
#vertex animation to ShapeKeys with ipo and gives the frame a value of 1.0
#A modifier to read mdd files would be Ideal but thats for another day :)
#
#Please send any fixes,updates,bugs to Slow67_at_Gmail.com
#Bill Niewuendorp
# ***** 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 *****
try:
from struct import unpack
except:
unpack = None
import Blender
from Blender import Mesh, Object, Scene
import BPyMessages
def mdd_import(filepath, ob, PREF_IPONAME, PREF_START_FRAME, PREF_JUMP):
print '\n\nimporting mdd "%s"' % filepath
Blender.Window.DrawProgressBar (0.0, "Importing mdd ...")
Blender.Window.EditMode(0)
Blender.Window.WaitCursor(1)
file = open(filepath, 'rb')
frames, points = unpack(">2i", file.read(8))
time = unpack((">%df" % frames), file.read(frames * 4))
print '\tpoints:%d frames:%d' % (points,frames)
scn = Scene.GetCurrent()
ctx = scn.getRenderingContext()
Blender.Set("curframe", PREF_START_FRAME)
me = ob.getData(mesh=1)
def UpdateMesh(me,fr):
for v in me.verts:
# 12 is the size of 3 floats
x,y,z= unpack('>3f', file.read(12))
v.co[:] = x,z,y
me.update()
Blender.Window.DrawProgressBar (0.4, "4 Importing mdd ...")
curfr = ctx.currentFrame()
print'\twriting mdd data...'
for i in xrange(frames):
Blender.Set("curframe", i+PREF_START_FRAME)
if len(me.verts) > 1 and (curfr >= PREF_START_FRAME) and (curfr <= PREF_START_FRAME+frames):
UpdateMesh(me, i)
ob.insertShapeKey()
Blender.Window.DrawProgressBar (0.5, "5 Importing mdd ...")
key= me.key
# Add the key of its not there
if not key:
me.insertKey(1, 'relative')
key= me.key
key.ipo = Blender.Ipo.New('Key', PREF_IPONAME)
ipo = key.ipo
# block = key.getBlocks() # not used.
all_keys = ipo.curveConsts
for i in xrange(PREF_JUMP+1, len(all_keys), PREF_JUMP):
curve = ipo.getCurve(i)
if curve == None:
curve = ipo.addCurve(all_keys[i])
curve.append((PREF_START_FRAME+i-1,1))
curve.append((PREF_START_FRAME+i- PREF_JUMP -1,0))
curve.append((PREF_START_FRAME+i+ PREF_JUMP-1,0))
curve.setInterpolation('Linear')
curve.recalc()
print 'done'
Blender.Window.WaitCursor(0)
Blender.Window.DrawProgressBar (1.0, '')
def mdd_import_ui(filepath):
if BPyMessages.Error_NoFile(filepath):
return
scn= Scene.GetCurrent()
ob_act= scn.objects.active
if ob_act == None or ob_act.type != 'Mesh':
BPyMessages.Error_NoMeshActive()
return
PREF_IPONAME = Blender.Draw.Create(filepath.split('/')[-1].split('\\')[-1].split('.')[0])
PREF_START_FRAME = Blender.Draw.Create(1)
PREF_JUMP = Blender.Draw.Create(1)
block = [\
("Ipo Name: ", PREF_IPONAME, 0, 30, "Ipo name for the new shape key"),\
("Start Frame: ", PREF_START_FRAME, 1, 3000, "Start frame for the animation"),\
("Key Skip: ", PREF_JUMP, 1, 100, "KeyReduction, Skip every Nth Frame")\
]
if not Blender.Draw.PupBlock("Import MDD", block):
return
orig_frame = Blender.Get('curframe')
mdd_import(filepath, ob_act, PREF_IPONAME.val, PREF_START_FRAME.val, PREF_JUMP.val)
Blender.Set('curframe', orig_frame)
if __name__ == '__main__':
if not unpack:
Draw.PupMenu('Error%t|This script requires a full python install')
Blender.Window.FileSelector(mdd_import_ui, 'IMPORT MDD', '*.mdd')
|
