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Diffstat (limited to 'release/scripts/envelope_assignment.py')
| -rw-r--r-- | release/scripts/envelope_assignment.py | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/release/scripts/envelope_assignment.py b/release/scripts/envelope_assignment.py new file mode 100644 index 00000000000..9bc4b5a8494 --- /dev/null +++ b/release/scripts/envelope_assignment.py @@ -0,0 +1,234 @@ +#!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]) |