1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
#!BPY
"""
Name: 'Envelope Assignment'
Blender: 234
Group: 'Animation'
Tooltip: 'Assigns weights to vertices via envelopes'
"""
__author__ = "Jonas Petersen"
__url__ = ("blender", "elysiun", "Script's homepage, http://www.mindfloaters.de/blender/", "thread at blender.org, http://www.blender.org/modules.php?op=modload&name=phpBB2&file=viewtopic&t=4858")
__version__ = "0.9 2004-11-10"
__doc__ = """\
This script creates vertex groups from a set of envelopes.
"Envelopes" are Mesh objects with names following this naming convention:
<bone name>:<float value>
Notes:<br>
- All existing vertex groups of the target Mesh will be deleted.
Please check the script's homepage and the thread at blender.org (last link button above) for more info.
"""
# --------------------------------------------------------------------------
# "Armature Symmetry" by Jonas Petersen
# Version 0.9 - 10th November 2004 - first public release
# --------------------------------------------------------------------------
#
# A script that creates vertex groups from a set of envelopes.
#
# Envelopes are Mesh objects with names that follow the following
# naming convention (syntax):
#
# <bone name>:<float value>
#
# All existing vertex groups of the target Mesh will be deleted.
#
# Find the latest version at: http://www.mindfloaters.de/blender/
#
# --------------------------------------------------------------------------
# $Id$
# --------------------------------------------------------------------------
# ***** BEGIN GPL LICENSE BLOCK *****
#
# Copyright (C) 2004: Jonas Petersen, jonas at mindfloaters dot de
#
# 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 *****
# --------------------------------------------------------------------------
# CONFIGURATION
# --------------------------------------------------------------------------
# Note: Theses values will later be editable via a gui interface
# within Blender.
# SEPARATOR is the character used to delimit the bone name and the weight
# in the envelope name.
SEPARATOR = ":"
# --------------------------------------------------------------------------
# END OF CONFIGURATION
# --------------------------------------------------------------------------
import Blender, math, sys, string
from Blender import Mathutils
from Blender.Mathutils import *
def run(target_obj):
target_mesh = target_obj.getData()
num_verts = len(target_mesh.verts)
warn_count = 0
main_obj_loc = Vector(list(target_obj.getLocation()))
Blender.Window.EditMode(0)
def vertGroupExist(group):
global vert_group_names;
for name in target_mesh.getVertGroupNames():
if group == name:
return True
return False
def isInside(point, envl_data):
for i in range(len(envl_data['normals'])):
vec = point - envl_data['points'][i]
if DotVecs(envl_data['normals'][i], vec) > 0.0:
return False
return True
envls = {}
Blender.Window.DrawProgressBar(0.0, "Parsing Zones")
# go through all envelopes and fill the 'envls' dict with points, normals
# and weights of the box faces
for obj in Blender.Object.Get():
if obj.getType() == "Mesh":
name = obj.getName()
pos = name.find(SEPARATOR)
if (pos > -1):
mesh = obj.getData()
loc = Vector(list(obj.getLocation()))
bone_name = name[0:pos]
try:
weight = float(name[pos+1:len(name)])
except ValueError:
print "WARNING: invalid syntax in envelope name \"%s\" - syntax: \"<bone name>:<float value>\""%(obj.getName())
warn_count += 1
weight = 0.0
envl_data = {'points': [], 'normals': [], 'weight': weight}
for face in mesh.faces:
envl_data['normals'].append(Vector(list(face.normal)))
envl_data['points'].append(Vector(list(face.v[0].co)) + loc)
if not envls.has_key(bone_name):
# add as first data set
envls[bone_name] = [envl_data]
else:
# add insert in sorted list of data sets
inserted = False
for i in range(len(envls[bone_name])):
if envl_data['weight'] > envls[bone_name][i]['weight']:
envls[bone_name].insert(i, envl_data)
inserted = True
if not inserted:
envls[bone_name].append(envl_data)
Blender.Window.DrawProgressBar(0.33, "Parsing Vertices")
assign_count = 0
vert_groups = {}
# go throug all vertices of the target mesh
for vert in target_mesh.verts:
point = Vector(list(vert.co)) + main_obj_loc
vert.sel = 1
counted = False
for bone_name in envls.keys():
for envl_data in envls[bone_name]:
if (isInside(point, envl_data)):
if (not vert_groups.has_key(bone_name)):
vert_groups[bone_name] = {}
if (not vert_groups[bone_name].has_key(envl_data['weight'])):
vert_groups[bone_name][envl_data['weight']] = []
vert_groups[bone_name][envl_data['weight']].append(vert.index)
vert.sel = 0
if not counted:
assign_count += 1
counted = True
break
Blender.Window.DrawProgressBar(0.66, "Writing Groups")
vert_group_names = target_mesh.getVertGroupNames()
# delete all vertices in vertex groups
for group in vert_group_names:
try:
v = target_mesh.getVertsFromGroup(group)
except:
pass
else:
# target_mesh.removeVertsFromGroup(group) without second argument doesn't work
#print "removing", len(v), "vertices from group \"",group,"\""
target_mesh.removeVertsFromGroup(group, v)
# delete all vertex groups
for group in vert_group_names:
target_mesh.removeVertGroup(group)
# create new vertex groups and fill them
if 1:
for bone_name in vert_groups.keys():
# add vertex group
target_mesh.addVertGroup(bone_name)
for weight in vert_groups[bone_name]:
print "name: ", bone_name, ": ", weight, "len: ", len(vert_groups[bone_name][weight])
index_list = vert_groups[bone_name][weight]
target_mesh.assignVertsToGroup(bone_name, index_list, weight, 'replace')
target_mesh.update(0)
Blender.Window.DrawProgressBar(1.0, "")
if assign_count < num_verts:
Blender.Window.EditMode(1)
print '\a'
if warn_count: warn_msg = " There is also %d warning(s) in the console."%(warn_count)
else: warn_msg = ""
Blender.Draw.PupMenu("Envelope Assignment%%t|%d vertices were not assigned.%s"%(num_verts-assign_count, warn_msg))
elif warn_count:
print '\a'
Blender.Draw.PupMenu("Envelope Assignment%%t|There is %d warning(s) in the console."%(warn_count))
sel_objs = Blender.Object.GetSelected()
if len(sel_objs) != 1 or sel_objs[0].getType() != "Mesh":
print '\a'
Blender.Draw.PupMenu("Envelope Assignment%t|Please select 1 Mesh object to assign vertex groups to!")
else:
if string.find(sel_objs[0].getName(), SEPARATOR) > -1:
print '\a'
Blender.Draw.PupMenu("Envelope Assignment%t|Don't use the command on the envelopes themselves!")
else:
run(sel_objs[0])
|
