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Diffstat (limited to 'release/scripts/bvh_import.py')
-rw-r--r--release/scripts/bvh_import.py757
1 files changed, 0 insertions, 757 deletions
diff --git a/release/scripts/bvh_import.py b/release/scripts/bvh_import.py
deleted file mode 100644
index 4134503c511..00000000000
--- a/release/scripts/bvh_import.py
+++ /dev/null
@@ -1,757 +0,0 @@
-#!BPY
-
-"""
-Name: 'Motion Capture (.bvh)...'
-Blender: 242
-Group: 'Import'
-Tip: 'Import a (.bvh) motion capture file'
-"""
-
-__author__ = "Campbell Barton"
-__url__ = ("blender.org", "blenderartists.org")
-__version__ = "1.90 06/08/01"
-
-__bpydoc__ = """\
-This script imports BVH motion capture data to Blender.
-as empties or armatures.
-"""
-
-# --------------------------------------------------------------------------
-# BVH Import v2.0 by Campbell Barton (AKA Ideasman)
-# --------------------------------------------------------------------------
-# ***** 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 Blender
-import bpy
-import BPyMessages
-Vector= Blender.Mathutils.Vector
-Euler= Blender.Mathutils.Euler
-Matrix= Blender.Mathutils.Matrix
-RotationMatrix = Blender.Mathutils.RotationMatrix
-TranslationMatrix= Blender.Mathutils.TranslationMatrix
-
-DEG2RAD = 0.017453292519943295
-
-class bvh_node_class(object):
- __slots__=(\
- 'name',# bvh joint name
- 'parent',# bvh_node_class type or None for no parent
- 'children',# a list of children of this type.
- 'rest_head_world',# worldspace rest location for the head of this node
- 'rest_head_local',# localspace rest location for the head of this node
- 'rest_tail_world',# # worldspace rest location for the tail of this node
- 'rest_tail_local',# # worldspace rest location for the tail of this node
- 'channels',# list of 6 ints, -1 for an unused channel, otherwise an index for the BVH motion data lines, lock triple then rot triple
- 'rot_order',# a triple of indicies as to the order rotation is applied. [0,1,2] is x/y/z - [None, None, None] if no rotation.
- 'anim_data',# a list one tuple's one for each frame. (locx, locy, locz, rotx, roty, rotz)
- 'has_loc',# Conveinience function, bool, same as (channels[0]!=-1 or channels[1]!=-1 channels[2]!=-1)
- 'has_rot',# Conveinience function, bool, same as (channels[3]!=-1 or channels[4]!=-1 channels[5]!=-1)
- 'temp')# use this for whatever you want
-
- def __init__(self, name, rest_head_world, rest_head_local, parent, channels, rot_order):
- self.name= name
- self.rest_head_world= rest_head_world
- self.rest_head_local= rest_head_local
- self.rest_tail_world= None
- self.rest_tail_local= None
- self.parent= parent
- self.channels= channels
- self.rot_order= rot_order
-
- # convenience functions
- self.has_loc= channels[0] != -1 or channels[1] != -1 or channels[2] != -1
- self.has_rot= channels[3] != -1 or channels[4] != -1 or channels[5] != -1
-
-
- self.children= []
-
- # list of 6 length tuples: (lx,ly,lz, rx,ry,rz)
- # even if the channels arnt used they will just be zero
- #
- self.anim_data= [(0,0,0,0,0,0)]
-
-
- def __repr__(self):
- return 'BVH name:"%s", rest_loc:(%.3f,%.3f,%.3f), rest_tail:(%.3f,%.3f,%.3f)' %\
- (self.name,\
- self.rest_head_world.x, self.rest_head_world.y, self.rest_head_world.z,\
- self.rest_head_world.x, self.rest_head_world.y, self.rest_head_world.z)
-
-
-
-# Change the order rotation is applied.
-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 read_bvh(file_path, GLOBAL_SCALE=1.0):
- # File loading stuff
- # Open the file for importing
- file = open(file_path, 'rU')
-
- # Seperate into a list of lists, each line a list of words.
- file_lines = file.readlines()
- # Non standard carrage returns?
- if len(file_lines) == 1:
- file_lines = file_lines[0].split('\r')
-
- # Split by whitespace.
- file_lines =[ll for ll in [ l.split() for l in file_lines] if ll]
-
-
- # Create Hirachy as empties
-
- if file_lines[0][0].lower() == 'hierarchy':
- #print 'Importing the BVH Hierarchy for:', file_path
- pass
- else:
- raise 'ERROR: This is not a BVH file'
-
- bvh_nodes= {None:None}
- bvh_nodes_serial = [None]
-
- channelIndex = -1
-
-
- lineIdx = 0 # An index for the file.
- while lineIdx < len(file_lines) -1:
- #...
- if file_lines[lineIdx][0].lower() == 'root' or file_lines[lineIdx][0].lower() == 'joint':
-
- # Join spaces into 1 word with underscores joining it.
- if len(file_lines[lineIdx]) > 2:
- file_lines[lineIdx][1] = '_'.join(file_lines[lineIdx][1:])
- file_lines[lineIdx] = file_lines[lineIdx][:2]
-
- # MAY NEED TO SUPPORT MULTIPLE ROOT's HERE!!!, Still unsure weather multiple roots are possible.??
-
- # Make sure the names are unique- Object names will match joint names exactly and both will be unique.
- name = file_lines[lineIdx][1]
-
- #print '%snode: %s, parent: %s' % (len(bvh_nodes_serial) * ' ', name, bvh_nodes_serial[-1])
-
- lineIdx += 2 # Incriment to the next line (Offset)
- rest_head_local = Vector( GLOBAL_SCALE*float(file_lines[lineIdx][1]), GLOBAL_SCALE*float(file_lines[lineIdx][2]), GLOBAL_SCALE*float(file_lines[lineIdx][3]) )
- lineIdx += 1 # Incriment to the next line (Channels)
-
- # newChannel[Xposition, Yposition, Zposition, Xrotation, Yrotation, Zrotation]
- # newChannel references indecies to the motiondata,
- # if not assigned then -1 refers to the last value that will be added on loading at a value of zero, this is appended
- # We'll add a zero value onto the end of the MotionDATA so this is always refers to a value.
- my_channel = [-1, -1, -1, -1, -1, -1]
- my_rot_order= [None, None, None]
- rot_count= 0
- for channel in file_lines[lineIdx][2:]:
- channel= channel.lower()
- channelIndex += 1 # So the index points to the right channel
- if channel == 'xposition': my_channel[0] = channelIndex
- elif channel == 'yposition': my_channel[1] = channelIndex
- elif channel == 'zposition': my_channel[2] = channelIndex
-
- elif channel == 'xrotation':
- my_channel[3] = channelIndex
- my_rot_order[rot_count]= 0
- rot_count+=1
- elif channel == 'yrotation':
- my_channel[4] = channelIndex
- my_rot_order[rot_count]= 1
- rot_count+=1
- elif channel == 'zrotation':
- my_channel[5] = channelIndex
- my_rot_order[rot_count]= 2
- rot_count+=1
-
- channels = file_lines[lineIdx][2:]
-
- my_parent= bvh_nodes_serial[-1] # account for none
-
-
- # Apply the parents offset accumletivly
- if my_parent==None:
- rest_head_world= Vector(rest_head_local)
- else:
- rest_head_world= my_parent.rest_head_world + rest_head_local
-
- bvh_node= bvh_nodes[name]= bvh_node_class(name, rest_head_world, rest_head_local, my_parent, my_channel, my_rot_order)
-
- # If we have another child then we can call ourselves a parent, else
- bvh_nodes_serial.append(bvh_node)
-
- # Account for an end node
- if file_lines[lineIdx][0].lower() == 'end' and file_lines[lineIdx][1].lower() == 'site': # There is somtimes a name after 'End Site' but we will ignore it.
- lineIdx += 2 # Incriment to the next line (Offset)
- rest_tail = Vector( GLOBAL_SCALE*float(file_lines[lineIdx][1]), GLOBAL_SCALE*float(file_lines[lineIdx][2]), GLOBAL_SCALE*float(file_lines[lineIdx][3]) )
-
- bvh_nodes_serial[-1].rest_tail_world= bvh_nodes_serial[-1].rest_head_world + rest_tail
- bvh_nodes_serial[-1].rest_tail_local= rest_tail
-
-
- # Just so we can remove the Parents in a uniform way- End end never has kids
- # so this is a placeholder
- bvh_nodes_serial.append(None)
-
- if len(file_lines[lineIdx]) == 1 and file_lines[lineIdx][0] == '}': # == ['}']
- bvh_nodes_serial.pop() # Remove the last item
-
- if len(file_lines[lineIdx]) == 1 and file_lines[lineIdx][0].lower() == 'motion':
- #print '\nImporting motion data'
- lineIdx += 3 # Set the cursor to the first frame
- break
-
- lineIdx += 1
-
-
- # Remove the None value used for easy parent reference
- del bvh_nodes[None]
- # Dont use anymore
- del bvh_nodes_serial
-
- bvh_nodes_list= bvh_nodes.values()
-
- while lineIdx < len(file_lines):
- line= file_lines[lineIdx]
- for bvh_node in bvh_nodes_list:
- #for bvh_node in bvh_nodes_serial:
- lx= ly= lz= rx= ry= rz= 0.0
- channels= bvh_node.channels
- anim_data= bvh_node.anim_data
- if channels[0] != -1:
- lx= GLOBAL_SCALE * float( line[channels[0]] )
-
- if channels[1] != -1:
- ly= GLOBAL_SCALE * float( line[channels[1]] )
-
- if channels[2] != -1:
- lz= GLOBAL_SCALE * float( line[channels[2]] )
-
- if channels[3] != -1 or channels[4] != -1 or channels[5] != -1:
- rx, ry, rz = eulerRotate(float( line[channels[3]] ), float( line[channels[4]] ), float( line[channels[5]] ), bvh_node.rot_order)
- #x,y,z = x/10.0, y/10.0, z/10.0 # For IPO's 36 is 360d
-
- # Make interpolation not cross between 180d, thjis fixes sub frame interpolation and time scaling.
- # Will go from (355d to 365d) rather then to (355d to 5d) - inbetween these 2 there will now be a correct interpolation.
-
- while anim_data[-1][3] - rx > 180: rx+=360
- while anim_data[-1][3] - rx < -180: rx-=360
-
- while anim_data[-1][4] - ry > 180: ry+=360
- while anim_data[-1][4] - ry < -180: ry-=360
-
- while anim_data[-1][5] - rz > 180: rz+=360
- while anim_data[-1][5] - rz < -180: rz-=360
-
- # Done importing motion data #
- anim_data.append( (lx, ly, lz, rx, ry, rz) )
- lineIdx += 1
-
- # Assign children
- for bvh_node in bvh_nodes.itervalues():
- bvh_node_parent= bvh_node.parent
- if bvh_node_parent:
- bvh_node_parent.children.append(bvh_node)
-
- # Now set the tip of each bvh_node
- for bvh_node in bvh_nodes.itervalues():
-
- if not bvh_node.rest_tail_world:
- if len(bvh_node.children)==0:
- # could just fail here, but rare BVH files have childless nodes
- bvh_node.rest_tail_world = Vector(bvh_node.rest_head_world)
- bvh_node.rest_tail_local = Vector(bvh_node.rest_head_local)
- elif len(bvh_node.children)==1:
- bvh_node.rest_tail_world= Vector(bvh_node.children[0].rest_head_world)
- bvh_node.rest_tail_local= Vector(bvh_node.children[0].rest_head_local)
- else:
- # allow this, see above
- #if not bvh_node.children:
- # raise 'error, bvh node has no end and no children. bad file'
-
- # Removed temp for now
- rest_tail_world= Vector(0,0,0)
- rest_tail_local= Vector(0,0,0)
- for bvh_node_child in bvh_node.children:
- rest_tail_world += bvh_node_child.rest_head_world
- rest_tail_local += bvh_node_child.rest_head_local
-
- bvh_node.rest_tail_world= rest_tail_world * (1.0/len(bvh_node.children))
- bvh_node.rest_tail_local= rest_tail_local * (1.0/len(bvh_node.children))
-
- # Make sure tail isnt the same location as the head.
- if (bvh_node.rest_tail_local-bvh_node.rest_head_local).length <= 0.001*GLOBAL_SCALE:
-
- bvh_node.rest_tail_local.y= bvh_node.rest_tail_local.y + GLOBAL_SCALE/10
- bvh_node.rest_tail_world.y= bvh_node.rest_tail_world.y + GLOBAL_SCALE/10
-
-
-
- return bvh_nodes
-
-
-
-def bvh_node_dict2objects(bvh_nodes, IMPORT_START_FRAME= 1, IMPORT_LOOP= False):
-
- if IMPORT_START_FRAME<1:
- IMPORT_START_FRAME= 1
-
- scn= bpy.data.scenes.active
- scn.objects.selected = []
-
- objects= []
-
- def add_ob(name):
- ob = scn.objects.new('Empty')
- objects.append(ob)
- return ob
-
- # Add objects
- for name, bvh_node in bvh_nodes.iteritems():
- bvh_node.temp= add_ob(name)
-
- # Parent the objects
- for bvh_node in bvh_nodes.itervalues():
- bvh_node.temp.makeParent([ bvh_node_child.temp for bvh_node_child in bvh_node.children ], 1, 0) # ojbs, noninverse, 1 = not fast.
-
- # Offset
- for bvh_node in bvh_nodes.itervalues():
- # Make relative to parents offset
- bvh_node.temp.loc= bvh_node.rest_head_local
-
- # Add tail objects
- for name, bvh_node in bvh_nodes.iteritems():
- if not bvh_node.children:
- ob_end= add_ob(name + '_end')
- bvh_node.temp.makeParent([ob_end], 1, 0) # ojbs, noninverse, 1 = not fast.
- ob_end.loc= bvh_node.rest_tail_local
-
-
- # Animate the data, the last used bvh_node will do since they all have the same number of frames
- for current_frame in xrange(len(bvh_node.anim_data)):
- Blender.Set('curframe', current_frame+IMPORT_START_FRAME)
-
- for bvh_node in bvh_nodes.itervalues():
- lx,ly,lz,rx,ry,rz= bvh_node.anim_data[current_frame]
-
- rest_head_local= bvh_node.rest_head_local
- bvh_node.temp.loc= rest_head_local.x+lx, rest_head_local.y+ly, rest_head_local.z+lz
-
- bvh_node.temp.rot= rx*DEG2RAD,ry*DEG2RAD,rz*DEG2RAD
-
- bvh_node.temp.insertIpoKey(Blender.Object.IpoKeyTypes.LOCROT)
-
- scn.update(1)
- return objects
-
-
-
-def bvh_node_dict2armature(bvh_nodes, IMPORT_START_FRAME= 1, IMPORT_LOOP= False):
-
- if IMPORT_START_FRAME<1:
- IMPORT_START_FRAME= 1
-
-
- # Add the new armature,
- scn = bpy.data.scenes.active
- scn.objects.selected = []
-
- arm_data= bpy.data.armatures.new()
- arm_ob = scn.objects.new(arm_data)
- scn.objects.context = [arm_ob]
- scn.objects.active = arm_ob
-
- # Put us into editmode
- arm_data.makeEditable()
-
- # Get the average bone length for zero length bones, we may not use this.
- average_bone_length= 0.0
- nonzero_count= 0
- for bvh_node in bvh_nodes.itervalues():
- l= (bvh_node.rest_head_local-bvh_node.rest_tail_local).length
- if l:
- average_bone_length+= l
- nonzero_count+=1
-
- # Very rare cases all bones couldbe zero length???
- if not average_bone_length:
- average_bone_length = 0.1
- else:
- # Normal operation
- average_bone_length = average_bone_length/nonzero_count
-
-
-
- ZERO_AREA_BONES= []
- for name, bvh_node in bvh_nodes.iteritems():
- # New editbone
- bone= bvh_node.temp= Blender.Armature.Editbone()
-
- bone.name= name
- arm_data.bones[name]= bone
-
- bone.head= bvh_node.rest_head_world
- bone.tail= bvh_node.rest_tail_world
-
- # ZERO AREA BONES.
- if (bone.head-bone.tail).length < 0.001:
- if bvh_node.parent:
- ofs= bvh_node.parent.rest_head_local- bvh_node.parent.rest_tail_local
- if ofs.length: # is our parent zero length also?? unlikely
- bone.tail= bone.tail+ofs
- else:
- bone.tail.y= bone.tail.y+average_bone_length
- else:
- bone.tail.y= bone.tail.y+average_bone_length
-
- ZERO_AREA_BONES.append(bone.name)
-
-
- for bvh_node in bvh_nodes.itervalues():
- if bvh_node.parent:
- # bvh_node.temp is the Editbone
-
- # Set the bone parent
- bvh_node.temp.parent= bvh_node.parent.temp
-
- # Set the connection state
- if not bvh_node.has_loc and\
- bvh_node.parent and\
- bvh_node.parent.temp.name not in ZERO_AREA_BONES and\
- bvh_node.parent.rest_tail_local == bvh_node.rest_head_local:
- bvh_node.temp.options= [Blender.Armature.CONNECTED]
-
- # Replace the editbone with the editbone name,
- # to avoid memory errors accessing the editbone outside editmode
- for bvh_node in bvh_nodes.itervalues():
- bvh_node.temp= bvh_node.temp.name
-
- arm_data.update()
-
- # Now Apply the animation to the armature
-
- # Get armature animation data
- pose= arm_ob.getPose()
- pose_bones= pose.bones
-
- action = Blender.Armature.NLA.NewAction("Action")
- action.setActive(arm_ob)
- #xformConstants= [ Blender.Object.Pose.LOC, Blender.Object.Pose.ROT ]
-
- # Replace the bvh_node.temp (currently an editbone)
- # With a tuple (pose_bone, armature_bone, bone_rest_matrix, bone_rest_matrix_inv)
- for bvh_node in bvh_nodes.itervalues():
- bone_name= bvh_node.temp # may not be the same name as the bvh_node, could have been shortened.
- pose_bone= pose_bones[bone_name]
- rest_bone= arm_data.bones[bone_name]
- bone_rest_matrix = rest_bone.matrix['ARMATURESPACE'].rotationPart()
-
- bone_rest_matrix_inv= Matrix(bone_rest_matrix)
- bone_rest_matrix_inv.invert()
-
- bone_rest_matrix_inv.resize4x4()
- bone_rest_matrix.resize4x4()
- bvh_node.temp= (pose_bone, bone, bone_rest_matrix, bone_rest_matrix_inv)
-
-
- # Make a dict for fast access without rebuilding a list all the time.
- xformConstants_dict={
- (True,True): [Blender.Object.Pose.LOC, Blender.Object.Pose.ROT],\
- (False,True): [Blender.Object.Pose.ROT],\
- (True,False): [Blender.Object.Pose.LOC],\
- (False,False): [],\
- }
-
-
- # KEYFRAME METHOD, SLOW, USE IPOS DIRECT
-
- # Animate the data, the last used bvh_node will do since they all have the same number of frames
- for current_frame in xrange(len(bvh_node.anim_data)-1): # skip the first frame (rest frame)
- # print current_frame
-
- #if current_frame==40: # debugging
- # break
-
- # Dont neet to set the current frame
- for bvh_node in bvh_nodes.itervalues():
- pose_bone, bone, bone_rest_matrix, bone_rest_matrix_inv= bvh_node.temp
- lx,ly,lz,rx,ry,rz= bvh_node.anim_data[current_frame+1]
-
- if bvh_node.has_rot:
- # Set the rotation, not so simple
- bone_rotation_matrix= Euler(rx,ry,rz).toMatrix()
- bone_rotation_matrix.resize4x4()
- pose_bone.quat= (bone_rest_matrix * bone_rotation_matrix * bone_rest_matrix_inv).toQuat()
-
- if bvh_node.has_loc:
- # Set the Location, simple too
- pose_bone.loc= (\
- TranslationMatrix(Vector(lx, ly, lz) - bvh_node.rest_head_local ) *\
- bone_rest_matrix_inv).translationPart() # WHY * 10? - just how pose works
-
- # Get the transform
- xformConstants= xformConstants_dict[bvh_node.has_loc, bvh_node.has_rot]
-
-
- if xformConstants:
- # Insert the keyframe from the loc/quat
- pose_bone.insertKey(arm_ob, current_frame+IMPORT_START_FRAME, xformConstants, True )
-
- # First time, set the IPO's to linear
- if current_frame==0:
- for ipo in action.getAllChannelIpos().itervalues():
- if ipo:
- for cur in ipo:
- cur.interpolation = Blender.IpoCurve.InterpTypes.LINEAR
- if IMPORT_LOOP:
- cur.extend = Blender.IpoCurve.ExtendTypes.CYCLIC
-
-
-
-
- # END KEYFRAME METHOD
-
-
- """
- # IPO KEYFRAME SETTING
- # Add in the IPOs by adding keyframes, AFAIK theres no way to add IPOs to an action so I do this :/
- for bvh_node in bvh_nodes.itervalues():
- pose_bone, bone, bone_rest_matrix, bone_rest_matrix_inv= bvh_node.temp
-
- # Get the transform
- xformConstants= xformConstants_dict[bvh_node.has_loc, bvh_node.has_rot]
- if xformConstants:
- pose_bone.loc[:]= 0,0,0
- pose_bone.quat[:]= 0,0,1,0
- # Insert the keyframe from the loc/quat
- pose_bone.insertKey(arm_ob, IMPORT_START_FRAME, xformConstants)
-
-
- action_ipos= action.getAllChannelIpos()
-
-
- for bvh_node in bvh_nodes.itervalues():
- has_loc= bvh_node.has_loc
- has_rot= bvh_node.has_rot
-
- if not has_rot and not has_loc:
- # No animation data
- continue
-
- ipo= action_ipos[bvh_node.temp[0].name] # posebones name as key
-
- if has_loc:
- curve_xloc= ipo[Blender.Ipo.PO_LOCX]
- curve_yloc= ipo[Blender.Ipo.PO_LOCY]
- curve_zloc= ipo[Blender.Ipo.PO_LOCZ]
-
- curve_xloc.interpolation= \
- curve_yloc.interpolation= \
- curve_zloc.interpolation= \
- Blender.IpoCurve.InterpTypes.LINEAR
-
-
- if has_rot:
- curve_wquat= ipo[Blender.Ipo.PO_QUATW]
- curve_xquat= ipo[Blender.Ipo.PO_QUATX]
- curve_yquat= ipo[Blender.Ipo.PO_QUATY]
- curve_zquat= ipo[Blender.Ipo.PO_QUATZ]
-
- curve_wquat.interpolation= \
- curve_xquat.interpolation= \
- curve_yquat.interpolation= \
- curve_zquat.interpolation= \
- Blender.IpoCurve.InterpTypes.LINEAR
-
- # Get the bone
- pose_bone, bone, bone_rest_matrix, bone_rest_matrix_inv= bvh_node.temp
-
-
- def pose_rot(anim_data):
- bone_rotation_matrix= Euler(anim_data[3], anim_data[4], anim_data[5]).toMatrix()
- bone_rotation_matrix.resize4x4()
- return tuple((bone_rest_matrix * bone_rotation_matrix * bone_rest_matrix_inv).toQuat()) # qw,qx,qy,qz
-
- def pose_loc(anim_data):
- return tuple((TranslationMatrix(Vector(anim_data[0], anim_data[1], anim_data[2])) * bone_rest_matrix_inv).translationPart())
-
-
- last_frame= len(bvh_node.anim_data)+IMPORT_START_FRAME-1
-
- if has_loc:
- pose_locations= [pose_loc(anim_key) for anim_key in bvh_node.anim_data]
-
- # Add the start at the end, we know the start is just 0,0,0 anyway
- curve_xloc.append((last_frame, pose_locations[-1][0]))
- curve_yloc.append((last_frame, pose_locations[-1][1]))
- curve_zloc.append((last_frame, pose_locations[-1][2]))
-
- if len(pose_locations) > 1:
- ox,oy,oz= pose_locations[0]
- x,y,z= pose_locations[1]
-
- for i in xrange(1, len(pose_locations)-1): # from second frame to second last frame
-
- nx,ny,nz= pose_locations[i+1]
- xset= yset= zset= True # we set all these by default
- if abs((ox+nx)/2 - x) < 0.00001: xset= False
- if abs((oy+ny)/2 - y) < 0.00001: yset= False
- if abs((oz+nz)/2 - z) < 0.00001: zset= False
-
- if xset: curve_xloc.append((i+IMPORT_START_FRAME, x))
- if yset: curve_yloc.append((i+IMPORT_START_FRAME, y))
- if zset: curve_zloc.append((i+IMPORT_START_FRAME, z))
-
- # Set the old and use the new
- ox,oy,oz= x,y,z
- x,y,z= nx,ny,nz
-
-
- if has_rot:
- pose_rotations= [pose_rot(anim_key) for anim_key in bvh_node.anim_data]
-
- # Add the start at the end, we know the start is just 0,0,0 anyway
- curve_wquat.append((last_frame, pose_rotations[-1][0]))
- curve_xquat.append((last_frame, pose_rotations[-1][1]))
- curve_yquat.append((last_frame, pose_rotations[-1][2]))
- curve_zquat.append((last_frame, pose_rotations[-1][3]))
-
-
- if len(pose_rotations) > 1:
- ow,ox,oy,oz= pose_rotations[0]
- w,x,y,z= pose_rotations[1]
-
- for i in xrange(1, len(pose_rotations)-1): # from second frame to second last frame
-
- nw, nx,ny,nz= pose_rotations[i+1]
- wset= xset= yset= zset= True # we set all these by default
- if abs((ow+nw)/2 - w) < 0.00001: wset= False
- if abs((ox+nx)/2 - x) < 0.00001: xset= False
- if abs((oy+ny)/2 - y) < 0.00001: yset= False
- if abs((oz+nz)/2 - z) < 0.00001: zset= False
-
- if wset: curve_wquat.append((i+IMPORT_START_FRAME, w))
- if xset: curve_xquat.append((i+IMPORT_START_FRAME, x))
- if yset: curve_yquat.append((i+IMPORT_START_FRAME, y))
- if zset: curve_zquat.append((i+IMPORT_START_FRAME, z))
-
- # Set the old and use the new
- ow,ox,oy,oz= w,x,y,z
- w,x,y,z= nw,nx,ny,nz
-
- # IPO KEYFRAME SETTING
- """
- pose.update()
- return arm_ob
-
-
-#=============#
-# TESTING #
-#=============#
-
-#('/metavr/mocap/bvh/boxer.bvh')
-#('/d/staggered_walk.bvh')
-#('/metavr/mocap/bvh/dg-306-g.bvh') # Incompleate EOF
-#('/metavr/mocap/bvh/wa8lk.bvh') # duplicate joint names, \r line endings.
-#('/metavr/mocap/bvh/walk4.bvh') # 0 channels
-
-'''
-import os
-DIR = '/metavr/mocap/bvh/'
-for f in ('/d/staggered_walk.bvh',):
- #for f in os.listdir(DIR)[5:6]:
- #for f in os.listdir(DIR):
- if f.endswith('.bvh'):
- s = Blender.Scene.New(f)
- s.makeCurrent()
- #file= DIR + f
- file= f
- print f
- bvh_nodes= read_bvh(file, 1.0)
- bvh_node_dict2armature(bvh_nodes, 1)
-'''
-
-def load_bvh_ui(file, PREF_UI= True):
-
- if BPyMessages.Error_NoFile(file):
- return
-
- Draw= Blender.Draw
-
- IMPORT_SCALE = Draw.Create(0.1)
- IMPORT_START_FRAME = Draw.Create(1)
- IMPORT_AS_ARMATURE = Draw.Create(1)
- IMPORT_AS_EMPTIES = Draw.Create(0)
- IMPORT_LOOP = Draw.Create(0)
-
- # Get USER Options
- if PREF_UI:
- pup_block = [\
- ('As Armature', IMPORT_AS_ARMATURE, 'Imports the BVH as an armature'),\
- ('As Empties', IMPORT_AS_EMPTIES, 'Imports the BVH as empties'),\
- ('Scale: ', IMPORT_SCALE, 0.001, 100.0, 'Scale the BVH, Use 0.01 when 1.0 is 1 metre'),\
- ('Start Frame: ', IMPORT_START_FRAME, 1, 30000, 'Frame to start BVH motion'),\
- ('Loop Animation', IMPORT_LOOP, 'Enable cyclic IPOs'),\
- ]
-
- if not Draw.PupBlock('BVH Import...', pup_block):
- return
-
- print 'Attempting import BVH', file
-
- IMPORT_SCALE = IMPORT_SCALE.val
- IMPORT_START_FRAME = IMPORT_START_FRAME.val
- IMPORT_AS_ARMATURE = IMPORT_AS_ARMATURE.val
- IMPORT_AS_EMPTIES = IMPORT_AS_EMPTIES.val
- IMPORT_LOOP = IMPORT_LOOP.val
-
- if not IMPORT_AS_ARMATURE and not IMPORT_AS_EMPTIES:
- Blender.Draw.PupMenu('No import option selected')
- return
- Blender.Window.WaitCursor(1)
- # Get the BVH data and act on it.
- t1= Blender.sys.time()
- print '\tparsing bvh...',
- bvh_nodes= read_bvh(file, IMPORT_SCALE)
- print '%.4f' % (Blender.sys.time()-t1)
- t1= Blender.sys.time()
- print '\timporting to blender...',
- if IMPORT_AS_ARMATURE: bvh_node_dict2armature(bvh_nodes, IMPORT_START_FRAME, IMPORT_LOOP)
- if IMPORT_AS_EMPTIES: bvh_node_dict2objects(bvh_nodes, IMPORT_START_FRAME, IMPORT_LOOP)
-
- print 'Done in %.4f\n' % (Blender.sys.time()-t1)
- Blender.Window.WaitCursor(0)
-
-def main():
- Blender.Window.FileSelector(load_bvh_ui, 'Import BVH', '*.bvh')
-
-if __name__ == '__main__':
- #def foo():
- main()
- '''
- scn = bpy.data.scenes.active
- for ob in list(scn.objects):
- if ob.name!='arm__':
- scn.objects.unlink(ob)
- load_bvh_ui('/test.bvh', False)
- ''' \ No newline at end of file