[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [11802] trunk/blender/release/scripts/ export_fbx.py: fbx export update
Campbell Barton
cbarton at metavr.com
Fri Aug 24 09:07:19 CEST 2007
Revision: 11802
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=11802
Author: campbellbarton
Date: 2007-08-24 09:07:18 +0200 (Fri, 24 Aug 2007)
Log Message:
-----------
fbx export update
* normalize bone weights (deep exploration 5 assumed they were normalized and does crazy stuff otherwise)
* fixed some mistakes in last commit.
Modified Paths:
--------------
trunk/blender/release/scripts/export_fbx.py
Modified: trunk/blender/release/scripts/export_fbx.py
===================================================================
--- trunk/blender/release/scripts/export_fbx.py 2007-08-23 18:55:54 UTC (rev 11801)
+++ trunk/blender/release/scripts/export_fbx.py 2007-08-24 07:07:18 UTC (rev 11802)
@@ -161,7 +161,6 @@
name = name[:-1]
if num: return '%s%d' % (name, int(num)+1)
else: return name + '_0'
-
# storage classes
class my_bone_class:
@@ -256,6 +255,25 @@
def mat4x4str(mat):
return '%.15f,%.15f,%.15f,%.15f,%.15f,%.15f,%.15f,%.15f,%.15f,%.15f,%.15f,%.15f,%.15f,%.15f,%.15f,%.15f' % tuple([ f for v in mat for f in v ])
+def meshNormalizedWeights(me):
+ try: # account for old bad BPyMesh
+ groupNames, vWeightList = BPyMesh.meshWeight2List(me)
+ except:
+ return [],[]
+
+ if not groupNames:
+ return [],[]
+
+ for i, vWeights in enumerate(vWeightList):
+ tot = 0.0
+ for w in vWeights:
+ tot+=w
+
+ if tot:
+ for j, w in enumerate(vWeights):
+ vWeights[j] = w/tot
+
+ return groupNames, vWeightList
header_comment = \
'''; FBX 6.1.0 project file
@@ -1007,7 +1025,8 @@
}''')
# in the example was 'Bip01 L Thigh_2'
- def write_sub_deformer_skin(obname, group_name, bone, me, matrix_mod):
+ #def write_sub_deformer_skin(obname, group_name, bone, me, matrix_mod):
+ def write_sub_deformer_skin(obname, group_name, bone, weights, matrix_mod):
'''
Each subdeformer is spesific to a mesh, but the bone it links to can be used by many sub-deformers
So the SubDeformer needs the mesh-object name as a prefix to make it unique
@@ -1028,7 +1047,10 @@
UserData: "", ""''')
try:
- vgroup_data = me.getVertsFromGroup(bone.name, 1)
+ # Before we used normalized wright list
+ #vgroup_data = me.getVertsFromGroup(bone.name, 1)
+ group_index = weights[0].index(bone.name)
+ vgroup_data = [(j, weight[group_index]) for j, weight in enumerate(weights[1]) if weight[group_index]]
except:
vgroup_data = []
@@ -1040,7 +1062,7 @@
file.write('%i' % vg[0])
i=0
else:
- if i==38:
+ if i==23:
file.write('\n\t\t')
i=0
file.write(',%i' % vg[0])
@@ -1699,6 +1721,10 @@
write_texture(texname, tex, i)
i+=1
+ # Get normalized weights for temorary use
+ # NOTE - c4d and motionbuilder dont need normalized weights, but deep-exploration 5 does and (max?) do.
+ tmp_normalized_weights = dict([(me.name, meshNormalizedWeights(me)) for obname, ob, mtx, me, mats, arm, armname in ob_meshes])
+
# Write armature modifiers
# TODO - add another MODEL? - because of this skin definition.
for obname, ob, mtx, me, mats, arm, armname in ob_meshes:
@@ -1709,7 +1735,8 @@
for mybone in ob_bones:
if me in mybone.blenMeshes.itervalues():
#write_sub_deformer_skin(obname, bonename, bone, me, armob.matrixWorld)
- write_sub_deformer_skin(obname, mybone.fbxName, mybone.blenBone, me, mybone.blenArmature.matrixWorld)
+ #write_sub_deformer_skin(obname, mybone.fbxName, mybone.blenBone, me, mybone.blenArmature.matrixWorld)
+ write_sub_deformer_skin(obname, mybone.fbxName, mybone.blenBone, tmp_normalized_weights[me.name], mybone.blenArmature.matrixWorld)
# Write pose's really weired, only needed when an armature and mesh are used together
# each by themselves dont need pose data. for now only pose meshes and bones
@@ -1964,11 +1991,6 @@
# unlikely to ever happen but if no actions applied to armatures, just use the last compatible armature.
if not action_default:
action_default = action_lastcompat
-
- if action_default:
- file.write('\n\tCurrent: "%s"' % sane_takename(action_default))
- else:
- file.write('\n\tCurrent: "Default Take"')
del action_lastcompat
@@ -1978,6 +2000,11 @@
Takes: {''')
+ if action_default:
+ file.write('\n\tCurrent: "%s"' % sane_takename(action_default))
+ else:
+ file.write('\n\tCurrent: "Default Take"')
+
for blenAction in tmp_actions:
# we have tagged all actious that are used be selected armatures
if blenAction:
@@ -2006,9 +2033,9 @@
# print '\t\tSetting Action!', blenAction
# sce.update(1)
- # file.write('\n\t\tFileName: "Default_Take.tak"') # ??? - not sure why this is needed
- file.write('\n\t\tLocalTime: %i,%i"' % (fbx_time(act_start-1), fbx_time(act_end-1))) # ??? - not sure why this is needed
- file.write('\n\t\tReferenceTime: %i,%i"' % (fbx_time(act_start-1), fbx_time(act_end-1))) # ??? - not sure why this is needed
+ file.write('\n\t\tFileName: "Default_Take.tak"') # ??? - not sure why this is needed
+ file.write('\n\t\tLocalTime: %i,%i' % (fbx_time(act_start-1), fbx_time(act_end-1))) # ??? - not sure why this is needed
+ file.write('\n\t\tReferenceTime: %i,%i' % (fbx_time(act_start-1), fbx_time(act_end-1))) # ??? - not sure why this is needed
file.write('''
@@ -2053,7 +2080,7 @@
# Loop on each axis of the bone
file.write('\n\t\t\t\t\tChannel: "%s" {'% ('XYZ'[i])) # translation
file.write('\n\t\t\t\t\t\tDefault: %.15f' % context_bone_anim_vecs[0][i] )
- file.write('\n\t\t\t\t\t\tKeyVer: 4004')
+ file.write('\n\t\t\t\t\t\tKeyVer: 4005')
if not ANIM_OPTIMIZE:
# Just write all frames, simple but in-eficient
@@ -2064,7 +2091,10 @@
if frame!=act_start:
file.write(',')
+ # Curve types are
+ # C,n is for bezier? - linear is best for now so we can do simple keyframe removal
file.write('\n\t\t\t\t\t\t\t%i,%.15f,C,n' % (fbx_time(frame-1), context_bone_anim_vecs[frame-act_start][i] ))
+ #file.write('\n\t\t\t\t\t\t\t%i,%.15f,L' % (fbx_time(frame-1), context_bone_anim_vecs[frame-act_start][i] ))
frame+=1
else:
# remove unneeded keys, j is the frame, needed when some frames are removed.
@@ -2079,16 +2109,18 @@
del context_bone_anim_keys[j]
if len(context_bone_anim_keys) == 2 and context_bone_anim_keys[0][0] == context_bone_anim_keys[1][0]:
- # This axis has no moton
- context_bone_anim_keys = []
-
- file.write('\n\t\t\t\t\t\tKeyCount: %i' % len(context_bone_anim_keys))
- file.write('\n\t\t\t\t\t\tKey: ')
- for val, frame in context_bone_anim_keys:
- if frame!=act_start:
- file.write(',')
- # frame is alredy one less then blenders frame
- file.write('\n\t\t\t\t\t\t\t%i,%.15f,C,n' % (fbx_time(frame), val ))
+ # This axis has no moton, its okay to skip KeyCount and Keys in this case
+ pass
+ else:
+ # We only need to write these if there is at least one
+ file.write('\n\t\t\t\t\t\tKeyCount: %i' % len(context_bone_anim_keys))
+ file.write('\n\t\t\t\t\t\tKey: ')
+ for val, frame in context_bone_anim_keys:
+ if frame!=act_start:
+ file.write(',')
+ # frame is alredy one less then blenders frame
+ file.write('\n\t\t\t\t\t\t\t%i,%.15f,C,n' % (fbx_time(frame), val ))
+ #file.write('\n\t\t\t\t\t\t\t%i,%.15f,L' % (fbx_time(frame), val ))
if i==0: file.write('\n\t\t\t\t\t\tColor: 1,0,0')
elif i==1: file.write('\n\t\t\t\t\t\tColor: 0,1,0')
@@ -2248,7 +2280,7 @@
# Keep the order the same as above for simplicity
# the [] is a dummy arg used for objects
- print GLOBALS.keys()
+
write(\
filename, None,\
GLOBALS['EXP_OBS_SELECTED'].val,\
@@ -2417,7 +2449,7 @@
#test = [write_ui]
if __name__ == '__main__':
# Cant call the file selector first because of a bug in the interface that crashes it.
- #Blender.Window.FileSelector(write_ui, 'Export FBX', Blender.sys.makename(ext='.fbx'))
+ # Blender.Window.FileSelector(write_ui, 'Export FBX', Blender.sys.makename(ext='.fbx'))
#write('/scratch/test.fbx')
#write_ui('/scratch/test.fbx')
write_ui()
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