[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [23722] trunk/blender/release/scripts: Scripts
Ken Hughes
khughes at pacific.edu
Thu Oct 8 19:32:51 CEST 2009
Revision: 23722
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=23722
Author: khughes
Date: 2009-10-08 19:32:51 +0200 (Thu, 08 Oct 2009)
Log Message:
-----------
Scripts
-------
Port of MDD export script to Blender 2.5.
Modified Paths:
--------------
trunk/blender/release/scripts/ui/space_info.py
Added Paths:
-----------
trunk/blender/release/scripts/io/export_mdd.py
Copied: trunk/blender/release/scripts/io/export_mdd.py (from rev 23617, branches/blender2.4/release/scripts/export_mdd.py)
===================================================================
--- trunk/blender/release/scripts/io/export_mdd.py (rev 0)
+++ trunk/blender/release/scripts/io/export_mdd.py 2009-10-08 17:32:51 UTC (rev 23722)
@@ -0,0 +1,188 @@
+#!BPY
+
+"""
+ Name: 'Vertex Keyframe Animation (.mdd)...'
+ Blender: 242
+ Group: 'Export'
+ Tooltip: 'Animated mesh to MDD vertex keyframe file.'
+"""
+
+__author__ = "Bill L.Nieuwendorp"
+__bpydoc__ = """\
+This script Exports Lightwaves MotionDesigner format.
+
+The .mdd format has become quite a popular Pipeline format<br>
+for moving animations from package to package.
+
+Be sure not to use modifiers that change the number or order of verts in the mesh
+"""
+#Please send any fixes,updates,bugs to Slow67_at_Gmail.com or cbarton_at_metavr.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 *****
+
+import bpy
+import Mathutils
+import math
+import os
+
+#import Blender
+#from Blender import *
+#import BPyMessages
+try:
+ from struct import pack
+except:
+ pack = None
+
+def zero_file(filepath):
+ '''
+ If a file fails, this replaces it with 1 char, better not remove it?
+ '''
+ file = open(filepath, 'w')
+ file.write('\n') # apparently macosx needs some data in a blank file?
+ file.close()
+
+def check_vertcount(mesh,vertcount):
+ '''
+ check and make sure the vertcount is consistent throughout the frame range
+ '''
+ if len(mesh.verts) != vertcount:
+ raise Exception('Error, number of verts has changed during animation, cannot export')
+ f.close()
+ zero_file(filepath)
+ return
+
+
+def write(filename, sce, ob, PREF_STARTFRAME, PREF_ENDFRAME, PREF_FPS):
+ if not pack:
+ raise Exception('Error, this script requires the "pack" module')
+
+ if ob.type != 'MESH':
+ raise Exception('Error, active object is not a mesh')
+ """
+ Window.EditMode(0)
+ Blender.Window.WaitCursor(1)
+
+ mesh_orig = Mesh.New()
+ mesh_orig.getFromObject(ob.name)
+ """
+ orig_frame = sce.current_frame
+ sce.set_frame(PREF_STARTFRAME)
+ me = ob.create_mesh(True, 'PREVIEW')
+
+ #Flip y and z
+ mat_flip= Mathutils.Matrix(\
+ [1.0, 0.0, 0.0, 0.0],\
+ [0.0, 0.0, 1.0, 0.0],\
+ [0.0, 1.0, 0.0, 0.0],\
+ [0.0, 0.0, 0.0, 1.0],\
+ )
+
+ numverts = len(me.verts)
+
+ numframes = PREF_ENDFRAME-PREF_STARTFRAME+1
+ PREF_FPS= float(PREF_FPS)
+ f = open(filename, 'wb') #no Errors yet:Safe to create file
+
+ # Write the header
+ f.write(pack(">2i", numframes, numverts))
+
+ # Write the frame times (should we use the time IPO??)
+ f.write( pack(">%df" % (numframes), *[frame/PREF_FPS for frame in range(numframes)]) ) # seconds
+
+ #rest frame needed to keep frames in sync
+ """
+ Blender.Set('curframe', PREF_STARTFRAME)
+ me_tmp.getFromObject(ob.name)
+ """
+
+ check_vertcount(me,numverts)
+ me.transform(mat_flip * ob.matrix)
+ f.write(pack(">%df" % (numverts*3), *[axis for v in me.verts for axis in v.co]))
+
+ for frame in range(PREF_STARTFRAME,PREF_ENDFRAME+1):#in order to start at desired frame
+ """
+ Blender.Set('curframe', frame)
+ me_tmp.getFromObject(ob.name)
+ """
+
+ sce.set_frame(frame)
+ me = ob.create_mesh(True, 'PREVIEW')
+ check_vertcount(me,numverts)
+ me.transform(mat_flip * ob.matrix)
+
+ # Write the vertex data
+ f.write(pack(">%df" % (numverts*3), *[axis for v in me.verts for axis in v.co]))
+
+ """
+ me_tmp.verts= None
+ """
+ f.close()
+
+ print ('MDD Exported: %s frames:%d\n'% (filename, numframes-1))
+ """
+ Blender.Window.WaitCursor(0)
+ Blender.Set('curframe', orig_frame)
+ """
+ sce.set_frame(orig_frame)
+
+class EXPORT_OT_mdd(bpy.types.Operator):
+ '''Animated mesh to MDD vertex keyframe file.'''
+ __idname__ = "export.mdd"
+ __label__ = "Export MDD"
+
+ # get first scene to get min and max properties for frames, fps
+
+ sce = bpy.data.scenes[bpy.data.scenes.keys()[0]]
+ minframe = sce.rna_type.properties["current_frame"].soft_min
+ maxframe = sce.rna_type.properties["current_frame"].soft_max
+ minfps = sce.render_data.rna_type.properties["fps"].soft_min
+ maxfps = sce.render_data.rna_type.properties["fps"].soft_max
+
+ # List of operator properties, the attributes will be assigned
+ # to the class instance from the operator settings before calling.
+ __props__ = [
+ bpy.props.StringProperty(attr="path", name="File Path", description="File path used for exporting the MDD file", maxlen= 1024, default= "tmp.mdd"),
+ bpy.props.IntProperty(attr="fps", name="Frames Per Second", description="Number of frames/second", min=minfps, max=maxfps, default= 25),
+ bpy.props.IntProperty(attr="start_frame", name="Start Frame", description="Start frame for baking", min=minframe,max=maxframe,default=1),
+ bpy.props.IntProperty(attr="end_frame", name="End Frame", description="End frame for baking", min=minframe, max=maxframe, default= 250),
+ ]
+
+ def poll(self, context):
+ return context.active_object != None
+
+ def execute(self, context):
+ if not self.path:
+ raise Exception("filename not set")
+ write(self.path, context.scene, context.active_object,
+ self.start_frame, self.end_frame, self.fps )
+ return ('FINISHED',)
+
+ def invoke(self, context, event):
+ wm = context.manager
+ wm.add_fileselect(self.__operator__)
+ return ('RUNNING_MODAL',)
+
+bpy.ops.add(EXPORT_OT_mdd)
+
+if __name__=='__main__':
+ #if not pack:
+# Draw.PupMenu('Error%t|This script requires a full python install')
+ #Blender.Window.FileSelector(mdd_export_ui, 'EXPORT MDD', sys.makename(ext='.mdd'))
+ bpy.ops.EXPORT_OT_mdd(path="/tmp/test.mdd")
+
Modified: trunk/blender/release/scripts/ui/space_info.py
===================================================================
--- trunk/blender/release/scripts/ui/space_info.py 2009-10-08 17:13:57 UTC (rev 23721)
+++ trunk/blender/release/scripts/ui/space_info.py 2009-10-08 17:32:51 UTC (rev 23722)
@@ -98,6 +98,7 @@
layout.itemO("export.3ds", text="3DS")
layout.itemO("export.fbx", text="FBX")
layout.itemO("export.obj", text="OBJ")
+ layout.itemO("export.mdd", text="MDD")
layout.itemO("export.ply", text="PLY")
layout.itemO("export.x3d", text="X3D")
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