forked from bartvdbraak/blender
move to bf-extensions
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commit
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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., 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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# To support reload properly, try to access a package var, if it's there, reload everything
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if "bpy" in locals():
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import imp
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if "import_mdd" in locals():
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imp.reload(import_mdd)
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if "export_mdd" in locals():
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imp.reload(export_mdd)
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import bpy
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from bpy.props import *
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from io_utils import ExportHelper, ImportHelper
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class ImportMDD(bpy.types.Operator, ImportHelper):
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'''Import MDD vertex keyframe file to shape keys'''
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bl_idname = "import_shape.mdd"
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bl_label = "Import MDD"
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filename_ext = ".mdd"
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filter_glob = StringProperty(default="*.mdd", options={'HIDDEN'})
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frame_start = IntProperty(name="Start Frame", description="Start frame for inserting animation", min=-300000, max=300000, default=0)
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frame_step = IntProperty(name="Step", min=1, max=1000, default=1)
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@classmethod
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def poll(cls, context):
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ob = context.active_object
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return (ob and ob.type == 'MESH')
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def execute(self, context):
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# initialize from scene if unset
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scene = context.scene
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if not self.frame_start:
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self.frame_start = scene.frame_current
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from . import import_mdd
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return import_mdd.load(self, context, **self.as_keywords(ignore=("filter_glob",)))
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class ExportMDD(bpy.types.Operator, ExportHelper):
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'''Animated mesh to MDD vertex keyframe file'''
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bl_idname = "export_shape.mdd"
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bl_label = "Export MDD"
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filename_ext = ".mdd"
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filter_glob = StringProperty(default="*.mdd", options={'HIDDEN'})
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# get first scene to get min and max properties for frames, fps
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minframe = 1
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maxframe = 300000
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minfps = 1
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maxfps = 120
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# List of operator properties, the attributes will be assigned
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# to the class instance from the operator settings before calling.
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fps = IntProperty(name="Frames Per Second", description="Number of frames/second", min=minfps, max=maxfps, default=25)
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frame_start = IntProperty(name="Start Frame", description="Start frame for baking", min=minframe, max=maxframe, default=1)
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frame_end = IntProperty(name="End Frame", description="End frame for baking", min=minframe, max=maxframe, default=250)
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@classmethod
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def poll(cls, context):
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obj = context.active_object
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return (obj and obj.type == 'MESH')
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def execute(self, context):
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# initialize from scene if unset
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scene = context.scene
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if not self.frame_start:
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self.frame_start = scene.frame_start
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if not self.frame_end:
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self.frame_end = scene.frame_end
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if not self.fps:
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self.fps = scene.render.fps
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from . import export_mdd
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return export_mdd.save(self, context, **self.as_keywords(ignore=("check_existing", "filter_glob")))
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def menu_func_import(self, context):
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self.layout.operator(ImportMDD.bl_idname, text="Lightwave Point Cache (.mdd)")
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def menu_func_export(self, context):
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self.layout.operator(ExportMDD.bl_idname, text="Lightwave Point Cache (.mdd)")
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def register():
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bpy.types.INFO_MT_file_import.append(menu_func_import)
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bpy.types.INFO_MT_file_export.append(menu_func_export)
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def unregister():
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bpy.types.INFO_MT_file_import.remove(menu_func_import)
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bpy.types.INFO_MT_file_export.remove(menu_func_export)
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if __name__ == "__main__":
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register()
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@ -1,130 +0,0 @@
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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., 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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# Contributors: Bill L.Nieuwendorp
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"""
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This script Exports 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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Be sure not to use modifiers that change the number or order of verts in the mesh
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"""
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import bpy
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import mathutils
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from struct import pack
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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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'''
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file = open(filepath, 'w')
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file.write('\n') # apparently 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 throughout the frame range
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'''
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if len(mesh.vertices) != vertcount:
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raise Exception('Error, 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 save(operator, context, filepath="", frame_start=1, frame_end=300, fps=25):
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"""
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Blender.Window.WaitCursor(1)
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mesh_orig = Mesh.New()
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mesh_orig.getFromObject(obj.name)
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"""
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scene = context.scene
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obj = context.object
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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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orig_frame = scene.frame_current
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scene.frame_set(frame_start)
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me = obj.create_mesh(scene, True, 'PREVIEW')
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#Flip y and z
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mat_flip = mathutils.Matrix(((1.0, 0.0, 0.0, 0.0), \
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(0.0, 0.0, 1.0, 0.0), \
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(0.0, 1.0, 0.0, 0.0), \
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(0.0, 0.0, 0.0, 1.0), \
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))
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numverts = len(me.vertices)
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numframes = frame_end - frame_start + 1
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fps = float(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, numverts))
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# Write the frame times (should we use the time IPO??)
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f.write(pack(">%df" % (numframes), *[frame / fps for frame in range(numframes)])) # seconds
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#rest frame needed to keep frames in sync
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"""
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Blender.Set('curframe', frame_start)
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me_tmp.getFromObject(obj.name)
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"""
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check_vertcount(me, numverts)
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me.transform(mat_flip * obj.matrix_world)
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f.write(pack(">%df" % (numverts * 3), *[axis for v in me.vertices for axis in v.co]))
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for frame in range(frame_start, frame_end + 1): # in order to start at desired frame
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"""
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Blender.Set('curframe', frame)
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me_tmp.getFromObject(obj.name)
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"""
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scene.frame_set(frame)
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me = obj.create_mesh(scene, True, 'PREVIEW')
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check_vertcount(me, numverts)
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me.transform(mat_flip * obj.matrix_world)
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# Write the vertex data
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f.write(pack(">%df" % (numverts * 3), *[axis for v in me.vertices for axis in v.co]))
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"""
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me_tmp.vertices= None
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"""
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f.close()
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print('MDD Exported: %r frames:%d\n' % (filepath, numframes - 1))
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"""
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Blender.Window.WaitCursor(0)
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Blender.Set('curframe', orig_frame)
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"""
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scene.frame_set(orig_frame)
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return {'FINISHED'}
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@ -1,102 +0,0 @@
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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., 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.shape_key_add()
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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.shape_key_add()
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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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