forked from bartvdbraak/blender
106 lines
3.3 KiB
Python
106 lines
3.3 KiB
Python
# ##### 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# ##### END GPL LICENSE BLOCK #####
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# <pep8 compliant>
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# mdd importer by Bill L.Nieuwendorp
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# conversion to blender 2.5: Ivo Grigull (loolarge)
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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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# 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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import bpy
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from struct import unpack
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def load(operator, context, filepath, frame_start=0, frame_step=1):
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scene = context.scene
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obj = context.object
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print('\n\nimporting mdd %r' % filepath)
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if bpy.ops.object.mode_set.poll():
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bpy.ops.object.mode_set(mode='OBJECT')
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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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# If target object doesn't have Basis shape key, create it.
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try:
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num_keys = len(obj.data.shape_keys.keys)
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except:
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basis = obj.add_shape_key()
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basis.name = "Basis"
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obj.data.update()
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scene.frame_current = frame_start
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def UpdateMesh(ob, fr):
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# Insert new shape key
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new_shapekey = obj.add_shape_key()
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new_shapekey.name = ("frame_%.4d" % fr)
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new_shapekey_name = new_shapekey.name
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obj.active_shape_key_index = len(obj.data.shape_keys.keys)-1
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index = len(obj.data.shape_keys.keys)-1
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obj.show_only_shape_key = True
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verts = obj.data.shape_keys.keys[len(obj.data.shape_keys.keys)-1].data
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for v in verts: # 12 is the size of 3 floats
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v.co[:] = unpack('>3f', file.read(12))
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#me.update()
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obj.show_only_shape_key = False
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# insert keyframes
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shape_keys = obj.data.shape_keys
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scene.frame_current -= 1
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obj.data.shape_keys.keys[index].value = 0.0
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shape_keys.keys[len(obj.data.shape_keys.keys)-1].keyframe_insert("value")
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scene.frame_current += 1
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obj.data.shape_keys.keys[index].value = 1.0
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shape_keys.keys[len(obj.data.shape_keys.keys)-1].keyframe_insert("value")
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scene.frame_current += 1
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obj.data.shape_keys.keys[index].value = 0.0
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shape_keys.keys[len(obj.data.shape_keys.keys)-1].keyframe_insert("value")
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obj.data.update()
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for i in range(frames):
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UpdateMesh(obj, i)
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return {'FINISHED'}
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