plumiferos request,

Simple script to copy the active vertex group, also has the option to only copy the selected faces into the new group.

1 files changed, 102 insertions, 0 deletions

diff --git a/release/scripts/weightpaint_copy.py b/release/scripts/weightpaint_copy.py
new file mode 100644
index 00000000000..b75e609cdfe
--- /dev/null
+++ b/release/scripts/weightpaint_copy.py
@@ -0,0 +1,102 @@
+#!BPY
+"""
+Name: 'Copy Active Group...'
+Blender: 243
+Group: 'WeightPaint'
+Tooltip: 'Copy the active group to a new one'
+"""
+
+__author__ = ["Campbell Barton"]
+__url__ = ("blender.org",)
+__version__ = "0.1"
+__bpydoc__ = """\
+
+Active Group Copy
+
+This script makes a copy of the active group
+"""
+
+# ***** BEGIN GPL LICENSE BLOCK *****
+#
+# Script copyright (C) Campbell J Barton
+#
+# 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 *****
+# --------------------------------------------------------------------------
+
+from Blender import Scene, Draw, Window, Mesh
+import BPyMesh
+SMALL_NUM= 0.000001
+def copy_act_vgroup(me, PREF_NAME, PREF_SEL_ONLY):
+	Window.WaitCursor(1)
+	groupNames, vWeightDict= BPyMesh.meshWeight2Dict(me)
+	act_group= me.activeGroup
+	
+	if not PREF_SEL_ONLY:
+		for wd in vWeightDict:
+			try:		wd[PREF_NAME] = wd[act_group]
+			except:		pass
+	else:
+		# Selected faces only
+		SEL_FLAG = Mesh.FaceFlags.SELECT
+		verts = {} # should use set
+		for f in me.faces:
+			if f.flag & SEL_FLAG:
+				for v in f:
+					verts[v.index] = None
+		
+		for i in verts.iterkeys():
+			wd = vWeightDict[i]
+			try:		wd[PREF_NAME] = wd[act_group]
+			except:		pass
+		
+		
+	
+	groupNames.append(PREF_NAME)
+	# Copy weights back to the mesh.
+	BPyMesh.dict2MeshWeight(me, groupNames, vWeightDict)
+	Window.WaitCursor(0)
+
+def main():
+	scn= Scene.GetCurrent()
+	ob= scn.objects.active
+	
+	if not ob or ob.type != 'Mesh':
+		Draw.PupMenu('Error, no active mesh object, aborting.')
+		return
+	
+	me= ob.getData(mesh=1)
+	act_group= me.activeGroup
+	
+	PREF_NAME= Draw.Create(act_group + '_copy')
+	PREF_SEL_ONLY = Draw.Create(0)
+	
+	pup_block= [\
+	('', PREF_NAME, 0, 31, 'Name of group copy.'),\
+	('Only Selected', PREF_SEL_ONLY, 'Only include selected faces in the new grop.'),\
+	]
+	
+	if not Draw.PupBlock('New Name...', pup_block):
+		return
+	PREF_NAME = PREF_NAME.val
+	PREF_SEL_ONLY = PREF_SEL_ONLY.val
+	copy_act_vgroup(me, PREF_NAME, PREF_SEL_ONLY)
+	
+	try:	me.activeGroup = PREF_NAME
+	except: pass
+
+if __name__=='__main__':
+	main()
\ No newline at end of file