[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [11508] trunk/blender/release/scripts: * added armature (bones) support to the fbx exporter.
Campbell Barton
cbarton at metavr.com
Mon Aug 6 22:20:20 CEST 2007
Revision: 11508
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=11508
Author: campbellbarton
Date: 2007-08-06 22:20:20 +0200 (Mon, 06 Aug 2007)
Log Message:
-----------
* added armature (bones) support to the fbx exporter. Only rest state, no animation yet.
* fix for PLY from 2.44
Modified Paths:
--------------
trunk/blender/release/scripts/export_fbx.py
trunk/blender/release/scripts/ply_import.py
Modified: trunk/blender/release/scripts/export_fbx.py
===================================================================
--- trunk/blender/release/scripts/export_fbx.py 2007-08-06 18:13:08 UTC (rev 11507)
+++ trunk/blender/release/scripts/export_fbx.py 2007-08-06 20:20:20 UTC (rev 11508)
@@ -48,6 +48,41 @@
import BPyMessages
import time
from math import degrees, atan, pi
+from Blender.Mathutils import Matrix, Vector, Euler, RotationMatrix
+
+
+
+# Change the order rotation is applied.
+'''
+ROT_ORDER = [\
+(0,1,2),\
+(1,2,0),\
+(2,0,1),\
+(2,1,0),\
+(1,0,2),\
+(0,2,1),\
+]
+MATRIX_IDENTITY_3x3 = Matrix([1,0,0],[0,1,0],[0,0,1])
+MATRIX_IDENTITY_4x4 = Matrix([1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1])
+
+def eulerRotate(x,y,z, rot_order):
+ # Clamp all values between 0 and 360, values outside this raise an error.
+ mats=[RotationMatrix(x%360,3,'x'), RotationMatrix(y%360,3,'y'), RotationMatrix(z%360,3,'z')]
+ # print rot_order
+ # Standard BVH multiplication order, apply the rotation in the order Z,X,Y
+ return (mats[rot_order[2]]*(mats[rot_order[1]]* (mats[rot_order[0]]* MATRIX_IDENTITY_3x3))).toEuler()
+
+def eulerMat(mat, rot_order):
+ x,y,z = tuple(mat.toEuler())
+ # Clamp all values between 0 and 360, values outside this raise an error.
+ mats=[RotationMatrix(x%360,3,'x'), RotationMatrix(y%360,3,'y'), RotationMatrix(z%360,3,'z')]
+ # print rot_order
+ # Standard BVH multiplication order, apply the rotation in the order Z,X,Y
+ return mats[rot_order[2]]*(mats[rot_order[1]]* (mats[rot_order[0]]* MATRIX_IDENTITY_3x3))
+'''
+
+
+
# Used to add the scene name into the filename without using odd chars
sane_name_mapping_ob = {}
@@ -118,40 +153,81 @@
+mtx_z90 = RotationMatrix(90, 3, 'z')
+mtx_x90 = RotationMatrix(90, 3, 'x')
+# testing
+mtx_x90 = RotationMatrix( 90, 3, 'x')
+mtx_x90n = RotationMatrix(-90, 3, 'x')
+mtx_y90 = RotationMatrix( 90, 3, 'y')
+mtx_y90n = RotationMatrix(-90, 3, 'y')
+mtx_z90 = RotationMatrix( 90, 3, 'z')
+mtx_z90n = RotationMatrix(-90, 3, 'z')
+
+
+mtx4_x90 = RotationMatrix( 90, 4, 'x')
+mtx4_x90n = RotationMatrix(-90, 4, 'x')
+mtx4_y90 = RotationMatrix( 90, 4, 'y')
+mtx4_y90n = RotationMatrix(-90, 4, 'y')
+mtx4_z90 = RotationMatrix( 90, 4, 'z')
+mtx4_z90n = RotationMatrix(-90, 4, 'z')
+
+XVEC = Vector(1, 0, 0)
+XVECN = Vector(-1, 0, 0)
+YVEC = Vector(0, 1, 0)
+YVECN = Vector(0, -1, 0)
+ZVEC = Vector(0, 0, 1)
+ZVECN = Vector(0, 0, -1)
+
def write_scene(file, sce, world):
def write_object_tx(ob, loc, matrix):
'''
We have loc to set the location if non blender objects that have a location
'''
-
- if ob and not matrix: matrix = ob.matrixWorld
- matrix_rot = matrix
- #if matrix:
- # matrix = matrix_scale * matrix
-
- if matrix:
- loc = tuple(matrix.translationPart())
- scale = tuple(matrix.scalePart())
+ if type(ob) == Blender.Types.BoneType:
+ # we know we have a matrix
+ matrix = mtx4_z90 * ob.matrix['ARMATURESPACE']
- matrix_rot = matrix.rotationPart()
- # Lamps need to be rotated
- if ob and ob.type =='Lamp':
- matrix_rot = Blender.Mathutils.RotationMatrix(90, 4, 'x') * matrix
- rot = tuple(matrix_rot.toEuler())
- elif ob and ob.type =='Camera':
- y = Blender.Mathutils.Vector(0,1,0) * matrix_rot
- matrix_rot = matrix_rot * Blender.Mathutils.RotationMatrix(90, 3, 'r', y)
- rot = tuple(matrix_rot.toEuler())
+ parent = ob.parent
+ if parent:
+ par_matrix = mtx4_z90 * parent.matrix['ARMATURESPACE'].copy()
+ matrix = matrix * par_matrix.copy().invert()
+
+ matrix_rot = matrix.rotationPart()
+
+ loc = tuple(matrix.translationPart())
+ scale = tuple(matrix.scalePart())
+ rot = tuple(matrix_rot.toEuler())
+
+ else:
+ if ob and not matrix: matrix = ob.matrixWorld
+ matrix_rot = matrix
+ #if matrix:
+ # matrix = matrix_scale * matrix
+
+ if matrix:
+ loc = tuple(matrix.translationPart())
+ scale = tuple(matrix.scalePart())
+
+ matrix_rot = matrix.rotationPart()
+ # Lamps need to be rotated
+ if ob and ob.type =='Lamp':
+ matrix_rot = mtx_x90 * matrix.rotationPart()
+ rot = tuple(matrix_rot.toEuler())
+ elif ob and ob.type =='Camera':
+ y = Vector(0,1,0) * matrix_rot
+ matrix_rot = matrix_rot * RotationMatrix(90, 3, 'r', y)
+ rot = tuple(matrix_rot.toEuler())
+ else:
+ rot = tuple(matrix_rot.toEuler())
else:
- rot = tuple(matrix_rot.toEuler())
- else:
- if not loc:
- loc = 0,0,0
- scale = 1,1,1
- rot = 0,0,0
+ if not loc:
+ loc = 0,0,0
+ scale = 1,1,1
+ rot = 0,0,0
+ # print rot
file.write('\n\t\t\tProperty: "Lcl Translation", "Lcl Translation", "A+",%.15f,%.15f,%.15f' % loc)
file.write('\n\t\t\tProperty: "Lcl Rotation", "Lcl Rotation", "A+",%.15f,%.15f,%.15f' % rot)
file.write('\n\t\t\tProperty: "Lcl Scaling", "Lcl Scaling", "A+",%.15f,%.15f,%.15f' % scale)
@@ -190,7 +266,7 @@
Property: "TranslationMaxX", "bool", "",0
Property: "TranslationMaxY", "bool", "",0
Property: "TranslationMaxZ", "bool", "",0
- Property: "RotationOrder", "enum", "",1
+ Property: "RotationOrder", "enum", "",0
Property: "RotationSpaceForLimitOnly", "bool", "",0
Property: "AxisLen", "double", "",10
Property: "PreRotation", "Vector3D", "",0,0,0
@@ -248,6 +324,25 @@
return loc, rot, scale, matrix, matrix_rot
+
+ # -------------------------------------------- Armatures
+ def write_bone(bone, name):
+ file.write('\n\tModel: "Model::%s", "Limb" {' % name)
+ file.write('\n\t\tVersion: 232')
+ write_object_props(bone)
+
+ file.write('\n\t\t\tProperty: "Size", "double", "",100')
+ file.write('\n\t\t\tProperty: "LimbLength", "double", "",%.6f' % (bone.head['ARMATURESPACE']-bone.tail['ARMATURESPACE']).length)
+ file.write('\n\t\t\tProperty: "Color", "ColorRGB", "",0.8,0.8,0.8')
+ file.write('\n\t\t\tProperty: "Color", "Color", "A",0.8,0.8,0.8')
+ file.write('\n\t\t}')
+ file.write('\n\t\tMultiLayer: 0')
+ file.write('\n\t\tMultiTake: 1')
+ file.write('\n\t\tShading: Y')
+ file.write('\n\t\tCulling: "CullingOff"')
+ file.write('\n\t\tTypeFlags: "Skeleton"')
+ file.write('\n\t}')
+
def write_camera_switch():
file.write('''
Model: "Model::Camera Switcher", "CameraSwitcher" {
@@ -471,8 +566,8 @@
file.write('\n\t\tTypeFlags: "Camera"')
file.write('\n\t\tGeometryVersion: 124')
file.write('\n\t\tPosition: %.6f,%.6f,%.6f' % loc)
- file.write('\n\t\tUp: %.6f,%.6f,%.6f' % tuple(Blender.Mathutils.Vector(0,1,0) * matrix_rot) )
- file.write('\n\t\tLookAt: %.6f,%.6f,%.6f' % tuple(Blender.Mathutils.Vector(0,0,-1)*matrix_rot) )
+ file.write('\n\t\tUp: %.6f,%.6f,%.6f' % tuple(Vector(0,1,0) * matrix_rot) )
+ file.write('\n\t\tLookAt: %.6f,%.6f,%.6f' % tuple(Vector(0,0,-1)*matrix_rot) )
#file.write('\n\t\tUp: 0,0,0' )
#file.write('\n\t\tLookAt: 0,0,0' )
@@ -702,11 +797,12 @@
ob_meshes = []
ob_lights = []
ob_cameras = []
+ ob_bones = [] # in fbx we treat bones as root level objects - be carefull!
materials = {}
textures = {}
- armatures = [] # We should export standalone armatures also
- armatures_totbones = 0 # we need this because each bone is a model
- ob_type = None # incase no objects are exported, so as not to raise an error
+
+ ob_type = None # incase no objects are exported, so as not to raise an error
+
for ob_base in sce.objects.context:
for ob, mtx in BPyObject.getDerivedObjects(ob_base):
#for ob in [ob_base,]:
@@ -740,9 +836,14 @@
if arm:
armname = sane_obname(arm)
- bones = arm.bones.values()
- armatures_totbones += len(bones)
- armatures.append((arm, armname, bones))
+ bones = arm.data.bones.values()
+ # armatures.append((arm, armname, bones))
+ # arm_name = BPySys.cleanName(arm.name)
+
+ for b in bones:
+ #name = sane_obname(arm_name + ' ' + b.name)
+ name = sane_obname(b)
+ ob_bones.append( (name, b) )
else:
armname = None
@@ -752,7 +853,9 @@
ob_meshes.append( (sane_obname(ob), ob, mtx, me, mats, arm, armname) )
del ob_type
+ #print ob_bones
+
materials = [(sane_matname(mat), mat) for mat in materials.itervalues()]
textures = [(sane_texname(img), img) for img in textures.itervalues()]
materials.sort() # sort by name
@@ -789,8 +892,7 @@
len(ob_meshes)+\
len(ob_lights)+\
len(ob_cameras)+\
- len(armatures)+\
- armatures_totbones+\
+ len(ob_bones)+\
len(materials)+\
(len(textures)*2))) # add 1 for the root model 1 for global settings
@@ -802,8 +904,7 @@
len(ob_meshes)+\
len(ob_lights)+\
len(ob_cameras)+\
- len(armatures)+\
- armatures_totbones)) # add 1 for the root model
+ len(ob_bones))) # add 1 for the root model
file.write('''
ObjectType: "Geometry" {
@@ -840,6 +941,10 @@
Objects: {''')
+ for obname, ob in ob_bones:
+ write_bone(ob, obname)
+
+
# To comply with other FBX FILES
write_camera_switch()
@@ -1248,6 +1353,10 @@
Relations: {''')
file.write('\n\tModel: "Model::blend_root", "Null" {\n\t}')
+
+ for obname, ob in ob_bones:
+ file.write('\n\tModel: "Model::%s", "Limb" {\n\t}' % obname)
+
for obname, ob in ob_cameras:
file.write('\n\tModel: "Model::%s", "Camera" {\n\t}' % obname)
@@ -1295,8 +1404,18 @@
# write the fake root node
file.write('\n\tConnect: "OO", "Model::blend_root", "Model::Scene"')
+ for obname, ob in ob_bones:
+ blend_parent = ob.parent
+ if blend_parent:
+ file.write('\n\tConnect: "OO", "Model::%s", "Model::%s"' % (obname, sane_obname(blend_parent)) )
+ else:
+ file.write('\n\tConnect: "OO", "Model::%s", "Model::blend_root"' % obname)
+
for obname, ob in ob_cameras:
file.write('\n\tConnect: "OO", "Model::%s", "Model::blend_root"' % obname)
+
+ for obname, ob in ob_cameras:
+ file.write('\n\tConnect: "OO", "Model::%s", "Model::blend_root"' % obname)
for obname, ob in ob_lights:
file.write('\n\tConnect: "OO", "Model::%s", "Model::blend_root"' % obname)
@@ -1398,4 +1517,4 @@
if __name__ == '__main__':
Blender.Window.FileSelector(write_ui, 'Export FBX', Blender.sys.makename(ext='.fbx'))
- #write_ui('/test.fbx')
+ #write_ui('/scratch/test.fbx')
Modified: trunk/blender/release/scripts/ply_import.py
===================================================================
--- trunk/blender/release/scripts/ply_import.py 2007-08-06 18:13:08 UTC (rev 11507)
+++ trunk/blender/release/scripts/ply_import.py 2007-08-06 20:20:20 UTC (rev 11508)
@@ -199,10 +199,14 @@
obj = obj_spec.load(format_specs[format], file)
@@ Diff output truncated at 10240 characters. @@
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