635 lines
23 KiB
Python
635 lines
23 KiB
Python
#!runpy.sh
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"""\
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This module contains tools for manipulating the .anim files supported
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for Second Life animation upload. Note that this format is unrelated
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to any non-Second Life formats of the same name.
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$LicenseInfo:firstyear=2016&license=viewerlgpl$
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Second Life Viewer Source Code
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Copyright (C) 2016, Linden Research, Inc.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation;
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version 2.1 of the License only.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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$/LicenseInfo$
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"""
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import sys
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import os
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import struct
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import StringIO
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import math
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import argparse
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import random
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from lxml import etree
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U16MAX = 65535
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OOU16MAX = 1.0/(float)(U16MAX)
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LL_MAX_PELVIS_OFFSET = 5.0
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class FilePacker(object):
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def __init__(self):
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self.data = StringIO.StringIO()
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self.offset = 0
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def write(self,filename):
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f = open(filename,"wb")
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f.write(self.data.getvalue())
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f.close()
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def pack(self,fmt,*args):
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buf = struct.pack(fmt, *args)
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self.offset += struct.calcsize(fmt)
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self.data.write(buf)
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def pack_string(self,str,size=0):
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buf = str + "\000"
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if size and (len(buf) < size):
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buf += "\000" * (size-len(buf))
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self.data.write(buf)
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class FileUnpacker(object):
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def __init__(self, filename):
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f = open(filename,"rb")
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self.data = f.read()
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self.offset = 0
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def unpack(self,fmt):
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result = struct.unpack_from(fmt, self.data, self.offset)
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self.offset += struct.calcsize(fmt)
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return result
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def unpack_string(self, size=0):
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result = ""
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i = 0
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while (self.data[self.offset+i] != "\000"):
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result += self.data[self.offset+i]
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i += 1
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i += 1
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if size:
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# fixed-size field for the string
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i = size
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self.offset += i
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return result
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# translated from the C++ version in lldefs.h
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def llclamp(a, minval, maxval):
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if a<minval:
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return minval
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if a>maxval:
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return maxval
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return a
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# translated from the C++ version in llquantize.h
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def F32_to_U16(val, lower, upper):
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val = llclamp(val, lower, upper);
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# make sure that the value is positive and normalized to <0, 1>
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val -= lower;
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val /= (upper - lower);
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# return the U16
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return int(math.floor(val*U16MAX))
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# translated from the C++ version in llquantize.h
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def U16_to_F32(ival, lower, upper):
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if ival < 0 or ival > U16MAX:
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raise Exception("U16 out of range: "+ival)
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val = ival*OOU16MAX
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delta = (upper - lower)
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val *= delta
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val += lower
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max_error = delta*OOU16MAX;
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# make sure that zeroes come through as zero
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if abs(val) < max_error:
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val = 0.0
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return val;
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class BadFormat(Exception):
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pass
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class RotKey(object):
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def __init__(self):
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pass
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def unpack(self, anim, fup):
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(self.time_short, ) = fup.unpack("<H")
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self.time = U16_to_F32(self.time_short, 0.0, anim.duration)
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(x,y,z) = fup.unpack("<HHH")
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self.rotation = [U16_to_F32(i, -1.0, 1.0) for i in (x,y,z)]
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def dump(self, f):
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print >>f, " rot_key: t",self.time,"st",self.time_short,"rot",",".join([str(f) for f in self.rotation])
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def pack(self, anim, fp):
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if not hasattr(self,"time_short"):
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self.time_short = F32_to_U16(self.time, 0.0, anim.duration)
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fp.pack("<H",self.time_short)
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(x,y,z) = [F32_to_U16(v, -1.0, 1.0) for v in self.rotation]
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fp.pack("<HHH",x,y,z)
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class PosKey(object):
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def __init__(self):
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pass
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def unpack(self, anim, fup):
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(self.time_short, ) = fup.unpack("<H")
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self.time = U16_to_F32(self.time_short, 0.0, anim.duration)
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(x,y,z) = fup.unpack("<HHH")
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self.position = [U16_to_F32(i, -LL_MAX_PELVIS_OFFSET, LL_MAX_PELVIS_OFFSET) for i in (x,y,z)]
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def dump(self, f):
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print >>f, " pos_key: t",self.time,"pos ",",".join([str(f) for f in self.position])
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def pack(self, anim, fp):
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if not hasattr(self,"time_short"):
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self.time_short = F32_to_U16(self.time, 0.0, anim.duration)
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fp.pack("<H",self.time_short)
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(x,y,z) = [F32_to_U16(v, -LL_MAX_PELVIS_OFFSET, LL_MAX_PELVIS_OFFSET) for v in self.position]
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fp.pack("<HHH",x,y,z)
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class Constraint(object):
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def __init__(self):
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pass
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def unpack(self, anim, fup):
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(self.chain_length, self.constraint_type) = fup.unpack("<BB")
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self.source_volume = fup.unpack_string(16)
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self.source_offset = fup.unpack("<fff")
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self.target_volume = fup.unpack_string(16)
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self.target_offset = fup.unpack("<fff")
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self.target_dir = fup.unpack("<fff")
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fmt = "<ffff"
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(self.ease_in_start, self.ease_in_stop, self.ease_out_start, self.ease_out_stop) = fup.unpack("<ffff")
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def pack(self, anim, fp):
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fp.pack("<BB", self.chain_length, self.constraint_type)
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fp.pack_string(self.source_volume, 16)
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fp.pack("<fff", *self.source_offset)
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fp.pack_string(self.target_volume, 16)
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fp.pack("<fff", *self.target_offset)
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fp.pack("<fff", *self.target_dir)
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fp.pack("<ffff", self.ease_in_start, self.ease_in_stop, self.ease_out_start, self.ease_out_stop)
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def dump(self, f):
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print >>f, " constraint:"
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print >>f, " chain_length",self.chain_length
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print >>f, " constraint_type",self.constraint_type
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print >>f, " source_volume",self.source_volume
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print >>f, " source_offset",self.source_offset
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print >>f, " target_volume",self.target_volume
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print >>f, " target_offset",self.target_offset
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print >>f, " target_dir",self.target_dir
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print >>f, " ease_in_start",self.ease_in_start
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print >>f, " ease_in_stop",self.ease_in_stop
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print >>f, " ease_out_start",self.ease_out_start
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print >>f, " ease_out_stop",self.ease_out_stop
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class Constraints(object):
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def __init__(self):
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pass
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def unpack(self, anim, fup):
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(self.num_constraints, ) = fup.unpack("<i")
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self.constraints = []
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for i in xrange(self.num_constraints):
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constraint = Constraint()
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constraint.unpack(anim, fup)
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self.constraints.append(constraint)
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def pack(self, anim, fp):
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fp.pack("<i",self.num_constraints)
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for c in self.constraints:
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c.pack(anim,fp)
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def dump(self, f):
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print >>f, "constraints:",self.num_constraints
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for c in self.constraints:
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c.dump(f)
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class PositionCurve(object):
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def __init__(self):
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self.num_pos_keys = 0
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self.keys = []
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def is_static(self):
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if self.keys:
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k0 = self.keys[0]
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for k in self.keys:
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if k.position != k0.position:
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return False
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return True
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def unpack(self, anim, fup):
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(self.num_pos_keys, ) = fup.unpack("<i")
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self.keys = []
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for k in xrange(0,self.num_pos_keys):
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pos_key = PosKey()
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pos_key.unpack(anim, fup)
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self.keys.append(pos_key)
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def pack(self, anim, fp):
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fp.pack("<i",self.num_pos_keys)
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for k in self.keys:
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k.pack(anim, fp)
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def dump(self, f):
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print >>f, " position_curve:"
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print >>f, " num_pos_keys", self.num_pos_keys
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for k in xrange(0,self.num_pos_keys):
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self.keys[k].dump(f)
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class RotationCurve(object):
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def __init__(self):
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self.num_rot_keys = 0
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self.keys = []
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def is_static(self):
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if self.keys:
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k0 = self.keys[0]
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for k in self.keys:
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if k.rotation != k0.rotation:
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return False
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return True
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def unpack(self, anim, fup):
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(self.num_rot_keys, ) = fup.unpack("<i")
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self.keys = []
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for k in xrange(0,self.num_rot_keys):
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rot_key = RotKey()
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rot_key.unpack(anim, fup)
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self.keys.append(rot_key)
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def pack(self, anim, fp):
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fp.pack("<i",self.num_rot_keys)
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for k in self.keys:
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k.pack(anim, fp)
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def dump(self, f):
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print >>f, " rotation_curve:"
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print >>f, " num_rot_keys", self.num_rot_keys
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for k in xrange(0,self.num_rot_keys):
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self.keys[k].dump(f)
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class JointInfo(object):
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def __init__(self):
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pass
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def unpack(self, anim, fup):
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self.joint_name = fup.unpack_string()
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(self.joint_priority, ) = fup.unpack("<i")
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self.rotation_curve = RotationCurve()
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self.rotation_curve.unpack(anim, fup)
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self.position_curve = PositionCurve()
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self.position_curve.unpack(anim, fup)
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def pack(self, anim, fp):
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fp.pack_string(self.joint_name)
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fp.pack("<i", self.joint_priority)
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self.rotation_curve.pack(anim, fp)
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self.position_curve.pack(anim, fp)
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def dump(self, f):
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print >>f, "joint:"
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print >>f, " joint_name:",self.joint_name
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print >>f, " joint_priority:",self.joint_priority
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self.rotation_curve.dump(f)
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self.position_curve.dump(f)
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class Anim(object):
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def __init__(self, filename=None):
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if filename:
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self.read(filename)
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def read(self, filename):
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fup = FileUnpacker(filename)
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self.unpack(fup)
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# various validity checks could be added - see LLKeyframeMotion::deserialize()
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def unpack(self,fup):
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(self.version, self.sub_version, self.base_priority, self.duration) = fup.unpack("@HHhf")
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if self.version == 0 and self.sub_version == 1:
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self.old_version = True
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raise BadFormat("old version not supported")
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elif self.version == 1 and self.sub_version == 0:
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self.old_version = False
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else:
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raise BadFormat("Bad combination of version, sub_version: %d %d" % (self.version, self.sub_version))
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self.emote_name = fup.unpack_string()
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(self.loop_in_point, self.loop_out_point, self.loop, self.ease_in_duration, self.ease_out_duration, self.hand_pose, self.num_joints) = fup.unpack("@ffiffII")
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self.joints = []
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for j in xrange(0,self.num_joints):
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joint_info = JointInfo()
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joint_info.unpack(self, fup)
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self.joints.append(joint_info)
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print "unpacked joint",joint_info.joint_name
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self.constraints = Constraints()
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self.constraints.unpack(self, fup)
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self.data = fup.data
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def pack(self, fp):
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fp.pack("@HHhf", self.version, self.sub_version, self.base_priority, self.duration)
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fp.pack_string(self.emote_name, 0)
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fp.pack("@ffiffII", self.loop_in_point, self.loop_out_point, self.loop, self.ease_in_duration, self.ease_out_duration, self.hand_pose, self.num_joints)
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for j in self.joints:
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j.pack(anim, fp)
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self.constraints.pack(anim, fp)
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def dump(self, filename="-"):
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if filename=="-":
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f = sys.stdout
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else:
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f = open(filename,"w")
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print >>f, "versions: ", self.version, self.sub_version
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print >>f, "base_priority: ", self.base_priority
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print >>f, "duration: ", self.duration
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print >>f, "emote_name: ", self.emote_name
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print >>f, "loop_in_point: ", self.loop_in_point
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print >>f, "loop_out_point: ", self.loop_out_point
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print >>f, "loop: ", self.loop
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print >>f, "ease_in_duration: ", self.ease_in_duration
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print >>f, "ease_out_duration: ", self.ease_out_duration
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print >>f, "hand_pose", self.hand_pose
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print >>f, "num_joints", self.num_joints
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for j in self.joints:
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j.dump(f)
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self.constraints.dump(f)
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def write(self, filename):
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fp = FilePacker()
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self.pack(fp)
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fp.write(filename)
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def write_src_data(self, filename):
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print "write file",filename
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f = open(filename,"wb")
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f.write(self.data)
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f.close()
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def find_joint(self, name):
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joints = [j for j in self.joints if j.joint_name == name]
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if joints:
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return joints[0]
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else:
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return None
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def add_joint(self, name, priority):
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if not self.find_joint(name):
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j = JointInfo()
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j.joint_name = name
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j.joint_priority = priority
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j.rotation_curve = RotationCurve()
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j.position_curve = PositionCurve()
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self.joints.append(j)
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self.num_joints = len(self.joints)
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def delete_joint(self, name):
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j = self.find_joint(name)
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if j:
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if args.verbose:
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print "removing joint", name
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anim.joints.remove(j)
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anim.num_joints = len(self.joints)
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else:
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if args.verbose:
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print "joint not found to remove", name
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def summary(self):
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nj = len(self.joints)
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nz = len([j for j in self.joints if j.joint_priority > 0])
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nstatic = len([j for j in self.joints if j.rotation_curve.is_static() and j.position_curve.is_static()])
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print "summary: %d joints, non-zero priority %d, static %d" % (nj, nz, nstatic)
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def add_pos(self, joint_names, positions):
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js = [joint for joint in self.joints if joint.joint_name in joint_names]
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for j in js:
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if args.verbose:
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print "adding positions",j.joint_name,positions
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j.joint_priority = 4
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j.position_curve.num_pos_keys = len(positions)
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j.position_curve.keys = []
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for i,pos in enumerate(positions):
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key = PosKey()
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key.time = self.duration * i / (len(positions) - 1)
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key.time_short = F32_to_U16(key.time, 0.0, self.duration)
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key.position = pos
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j.position_curve.keys.append(key)
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def add_rot(self, joint_names, rotations):
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js = [joint for joint in self.joints if joint.joint_name in joint_names]
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for j in js:
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print "adding rotations",j.joint_name
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j.joint_priority = 4
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j.rotation_curve.num_rot_keys = len(rotations)
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j.rotation_curve.keys = []
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for i,pos in enumerate(rotations):
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key = RotKey()
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key.time = self.duration * i / (len(rotations) - 1)
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key.time_short = F32_to_U16(key.time, 0.0, self.duration)
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key.rotation = pos
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j.rotation_curve.keys.append(key)
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def twistify(anim, joint_names, rot1, rot2):
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js = [joint for joint in anim.joints if joint.joint_name in joint_names]
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for j in js:
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print "twisting",j.joint_name
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print j.rotation_curve.num_rot_keys
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j.joint_priority = 4
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j.rotation_curve.num_rot_keys = 2
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j.rotation_curve.keys = []
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key1 = RotKey()
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key1.time_short = 0
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key1.time = U16_to_F32(key1.time_short, 0.0, anim.duration)
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key1.rotation = rot1
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key2 = RotKey()
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key2.time_short = U16MAX
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key2.time = U16_to_F32(key2.time_short, 0.0, anim.duration)
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key2.rotation = rot2
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j.rotation_curve.keys.append(key1)
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j.rotation_curve.keys.append(key2)
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def float_triple(arg):
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vals = arg.split()
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if len(vals)==3:
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return [float(x) for x in vals]
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else:
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raise Exception("arg %s does not resolve to a float triple" % arg)
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def get_joint_by_name(tree,name):
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if tree is None:
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return None
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|
matches = [elt for elt in tree.getroot().iter() if \
|
|
elt.get("name")==name and elt.tag in ["bone", "collision_volume", "attachment_point"]]
|
|
if len(matches)==1:
|
|
return matches[0]
|
|
elif len(matches)>1:
|
|
print "multiple matches for name",name
|
|
return None
|
|
else:
|
|
return None
|
|
|
|
def get_elt_pos(elt):
|
|
if elt.get("pos"):
|
|
return float_triple(elt.get("pos"))
|
|
elif elt.get("position"):
|
|
return float_triple(elt.get("position"))
|
|
else:
|
|
return (0.0, 0.0, 0.0)
|
|
|
|
def resolve_joints(names, skel_tree, lad_tree):
|
|
print "resolve joints, no_hud is",args.no_hud
|
|
if skel_tree and lad_tree:
|
|
all_elts = [elt for elt in skel_tree.getroot().iter()]
|
|
all_elts.extend([elt for elt in lad_tree.getroot().iter()])
|
|
matches = []
|
|
for elt in all_elts:
|
|
if elt.get("name") is None:
|
|
continue
|
|
#print elt.get("name"),"hud",elt.get("hud")
|
|
if args.no_hud and elt.get("hud"):
|
|
#print "skipping hud joint", elt.get("name")
|
|
continue
|
|
if elt.get("name") in names or elt.tag in names:
|
|
matches.append(elt.get("name"))
|
|
return list(set(matches))
|
|
else:
|
|
return names
|
|
|
|
if __name__ == "__main__":
|
|
|
|
# default search location for config files is defined relative to
|
|
# the script location; assuming they live in the same viewer repo
|
|
pathname = os.path.dirname(sys.argv[0])
|
|
path_to_skel = os.path.join(os.path.abspath(pathname),"..","..","indra","newview","character")
|
|
|
|
parser = argparse.ArgumentParser(description="process SL animations")
|
|
parser.add_argument("--verbose", help="verbose flag", action="store_true")
|
|
parser.add_argument("--dump", help="dump to stdout", action="store_true")
|
|
parser.add_argument("--rot", help="specify sequence of rotations", type=float_triple, nargs="+")
|
|
parser.add_argument("--rand_pos", help="request random positions within specified scale", type=float)
|
|
parser.add_argument("--reset_pos", help="request original positions", action="store_true")
|
|
parser.add_argument("--pos", help="specify sequence of positions", type=float_triple, nargs="+")
|
|
parser.add_argument("--duration", help="specify duration", type=float)
|
|
parser.add_argument("--loop_in", help="specify loop in time", type=float)
|
|
parser.add_argument("--loop_out", help="specify loop out time", type=float)
|
|
parser.add_argument("--num_pos", help="number of positions to create", type=int, default=2)
|
|
parser.add_argument("--delete_joints", help="specify joints to be deleted", nargs="+")
|
|
parser.add_argument("--joints", help="specify joints to be added or modified", nargs="+")
|
|
parser.add_argument("--summary", help="print summary of the output animation", action="store_true")
|
|
parser.add_argument("--skel", help="name of the avatar_skeleton file", default= os.path.join(path_to_skel,"avatar_skeleton.xml"))
|
|
parser.add_argument("--lad", help="name of the avatar_lad file", default= os.path.join(path_to_skel,"avatar_lad.xml"))
|
|
parser.add_argument("--set_version", nargs=2, type=int, help="set version and sub-version to specified values")
|
|
parser.add_argument("--no_hud", help="omit hud joints from list of attachments", action="store_true")
|
|
parser.add_argument("--base_priority", help="set base priority", type=int)
|
|
parser.add_argument("--joint_priority", help="set joint priority for all joints", type=int)
|
|
parser.add_argument("infilename", help="name of a .anim file to input")
|
|
parser.add_argument("outfilename", nargs="?", help="name of a .anim file to output")
|
|
args = parser.parse_args()
|
|
|
|
print "anim_tool.py: " + " ".join(sys.argv)
|
|
print "dump is", args.dump
|
|
print "infilename",args.infilename,"outfilename",args.outfilename
|
|
print "rot",args.rot
|
|
print "pos",args.pos
|
|
print "joints",args.joints
|
|
|
|
try:
|
|
anim = Anim(args.infilename)
|
|
skel_tree = None
|
|
lad_tree = None
|
|
joints = []
|
|
if args.skel:
|
|
skel_tree = etree.parse(args.skel)
|
|
if skel_tree is None:
|
|
print "failed to parse",args.skel
|
|
exit(1)
|
|
if args.lad:
|
|
lad_tree = etree.parse(args.lad)
|
|
if lad_tree is None:
|
|
print "failed to parse",args.lad
|
|
exit(1)
|
|
if args.joints:
|
|
joints = resolve_joints(args.joints, skel_tree, lad_tree)
|
|
if args.verbose:
|
|
print "joints resolved to",joints
|
|
for name in joints:
|
|
anim.add_joint(name,0)
|
|
if args.delete_joints:
|
|
del_joints = resolve_joints(args.delete_joints, skel_tree, lad_tree)
|
|
if args.verbose:
|
|
print "delete_joints resolved to",del_joints
|
|
for name in del_joints:
|
|
anim.delete_joint(name)
|
|
joints.remove(name)
|
|
if joints and args.rot:
|
|
anim.add_rot(joints, args.rot)
|
|
if joints and args.pos:
|
|
anim.add_pos(joints, args.pos)
|
|
print "joints ",joints,"rand_pos",args.rand_pos,"num_pos",args.num_pos
|
|
if joints and args.rand_pos is not None:
|
|
print "rand_pos",args.rand_pos
|
|
for joint in joints:
|
|
pos_array = list(tuple(random.uniform(-args.rand_pos,args.rand_pos) for i in xrange(3)) for j in xrange(args.num_pos))
|
|
pos_array.append(pos_array[0])
|
|
anim.add_pos([joint], pos_array)
|
|
if joints and args.reset_pos:
|
|
for joint in joints:
|
|
elt = get_joint_by_name(skel_tree,joint)
|
|
if elt is None:
|
|
elt = get_joint_by_name(lad_tree,joint)
|
|
if elt is not None:
|
|
pos_array = []
|
|
pos_array.append(get_elt_pos(elt))
|
|
pos_array.append(pos_array[0])
|
|
anim.add_pos([joint], pos_array)
|
|
else:
|
|
print "no elt or no pos data for",joint
|
|
if args.set_version:
|
|
anim.version = args.set_version[0]
|
|
anim.sub_version = args.set_version[1]
|
|
if args.base_priority is not None:
|
|
print "set base priority",args.base_priority
|
|
anim.base_priority = args.base_priority
|
|
if args.joint_priority is not None:
|
|
print "set joint priority",args.joint_priority
|
|
for joint in anim.joints:
|
|
joint.joint_priority = args.joint_priority
|
|
if args.duration is not None:
|
|
print "set duration",args.duration
|
|
anim.duration = args.duration
|
|
if args.loop_in is not None:
|
|
print "set loop_in",args.loop_in
|
|
anim.loop_in_point = args.loop_in
|
|
if args.loop_out is not None:
|
|
print "set loop_out",args.loop_out
|
|
anim.loop_out_point = args.loop_out
|
|
if args.dump:
|
|
anim.dump("-")
|
|
if args.summary:
|
|
anim.summary()
|
|
if args.outfilename:
|
|
anim.write(args.outfilename)
|
|
except:
|
|
raise
|
|
|