From cf60bf576b741f031450886c5dc4f0a11bbd4d06 Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Mon, 19 Nov 2007 10:17:55 +0000
Subject: simple weight invert script for the weightpaint menu, removed a print
 from weightpaint_average.py

---
 release/scripts/weightpaint_average.py |  1 -
 release/scripts/weightpaint_invert.py  | 93 ++++++++++++++++++++++++++++++++++
 2 files changed, 93 insertions(+), 1 deletion(-)
 create mode 100644 release/scripts/weightpaint_invert.py

(limited to 'release')

diff --git a/release/scripts/weightpaint_average.py b/release/scripts/weightpaint_average.py
index 57c27605da5..4e8830256b2 100644
--- a/release/scripts/weightpaint_average.py
+++ b/release/scripts/weightpaint_average.py
@@ -103,7 +103,6 @@ def main():
 	if PREF_ALL_VGROUPS==-1:
 		return
 	
-	print "sd", PREF_ALL_VGROUPS
 	Window.WaitCursor(1)
 	me = ob_act.getData(mesh=1) # old NMesh api is default
 	t = sys.time()
diff --git a/release/scripts/weightpaint_invert.py b/release/scripts/weightpaint_invert.py
new file mode 100644
index 00000000000..87aec77ad8d
--- /dev/null
+++ b/release/scripts/weightpaint_invert.py
@@ -0,0 +1,93 @@
+#!BPY
+"""
+Name: 'Vertex Group Invert'
+Blender: 245
+Group: 'WeightPaint'
+Tooltip: 'Invert the active vertex group'
+"""
+
+# -------------------------------------------------------------------------- 
+# ***** 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
+from Blender import Scene, Mesh, Window, sys
+
+import BPyMessages
+import bpy
+
+def vgroup_invert(ob_orig, me):
+	if not me.getVertGroupNames():
+		return
+	group_act = me.activeGroup
+	if group_act == None:
+		return
+	
+	group_data = me.getVertsFromGroup(group_act, 1)
+	
+	weights= [1.0] * len(me.verts) # 1.0 - initialize inverted
+	
+	group_data = me.getVertsFromGroup(group_act, 1) # (i,w)  tuples.
+	
+	me.removeVertGroup(group_act) # messes up the active group.
+	for i,w in group_data:
+		weights[i] = 1.0-w
+	
+	me.addVertGroup(group_act)
+	rep = Blender.Mesh.AssignModes.REPLACE
+	vertList= [None]
+	for i,weight in enumerate(weights):
+		vertList[0] = i
+		if weight != 0.0:
+			me.assignVertsToGroup(group_act, vertList, weight, rep)
+	me.update()
+
+def main():
+	
+	# Gets the current scene, there can be many scenes in 1 blend file.
+	sce = bpy.data.scenes.active
+	
+	# Get the active object, there can only ever be 1
+	# and the active object is always the editmode object.
+	ob_act = sce.objects.active
+	
+	if not ob_act or ob_act.type != 'Mesh':
+		BPyMessages.Error_NoMeshActive()
+		return 
+	
+	# Saves the editmode state and go's out of 
+	# editmode if its enabled, we cant make
+	# changes to the mesh data while in editmode.
+	is_editmode = Window.EditMode()
+	Window.EditMode(0)
+	
+	Window.WaitCursor(1)
+	me = ob_act.getData(mesh=1) # old NMesh api is default
+	t = sys.time()
+	
+	# Run the mesh editing function
+	vgroup_invert(ob_act, me)
+	
+	# Timing the script is a good way to be aware on any speed hits when scripting
+	print 'Invert VGroup in %.2f seconds' % (sys.time()-t)
+	Window.WaitCursor(0)
+	if is_editmode: Window.EditMode(1)
+	
+# This lets you can import the script without running it
+if __name__ == '__main__':
+	main()
\ No newline at end of file
-- 
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