From 6b01ab5e2309b2c823b8a1abf631a3d8172b93a2 Mon Sep 17 00:00:00 2001
From: Daniel Salazar <zanqdo@gmail.com>
Date: Fri, 12 Feb 2010 01:03:22 +0000
Subject: [PATCH] Align Objects operator: adds option to align relative to 3D
 cursor as well as Scene Origin

---
 release/scripts/op/object_align.py | 63 ++++++++++++++++++++++++++----
 1 file changed, 55 insertions(+), 8 deletions(-)

diff --git a/release/scripts/op/object_align.py b/release/scripts/op/object_align.py
index cbff5414ac0..fe5fe754599 100644
--- a/release/scripts/op/object_align.py
+++ b/release/scripts/op/object_align.py
@@ -21,10 +21,12 @@
 import bpy
 
 
-def align_objects(align_x, align_y, align_z):
+def align_objects(align_x, align_y, align_z, relative_to):
 
     from Mathutils import Vector
 
+    cursor = bpy.context.scene.cursor_location
+
     for obj in bpy.context.selected_objects:
         
         loc_world = obj.location
@@ -36,13 +38,49 @@ def align_objects(align_x, align_y, align_z):
         center_x = ( Left_Up_Front[0] + Right_Down_Back[0] ) / 2
         center_y = ( Left_Up_Front[1] + Right_Down_Back[1] ) / 2
         center_z = ( Left_Up_Front[2] + Right_Down_Back[2] ) / 2
+
+        obj_loc = obj.location
     
         if align_x:
-            obj.location[0] = obj.location[0] - center_x
+
+            obj_x = obj_loc[0] - center_x
+
+            if relative_to == 'OPT_1':
+                loc_x = obj_x
+
+            elif relative_to == 'OPT_2':
+                print (cursor[0])
+                loc_x = obj_x + cursor[0]
+                
+            obj.location[0] = loc_x
+
+
         if align_y:
-            obj.location[1] = obj.location[1] - center_y
+
+            obj_y = obj_loc[1] - center_y
+
+            if relative_to == 'OPT_1':
+                loc_y = obj_y
+
+            elif relative_to == 'OPT_2':
+                print (cursor[1])
+                loc_y = obj_y + cursor[1]
+                
+            obj.location[1] = loc_y
+
+
         if align_z:
-            obj.location[2] = obj.location[2] - center_z
+
+            obj_z = obj_loc[2] - center_z
+
+            if relative_to == 'OPT_1':
+                loc_z = obj_z
+
+            elif relative_to == 'OPT_2':
+                print (cursor[2])
+                loc_z = obj_z + cursor[2]
+                
+            obj.location[2] = loc_z
 
 
 from bpy.props import *
@@ -54,6 +92,14 @@ class TestCrap(bpy.types.Operator):
     bl_label = "Align Objets"
     bl_register = True
     bl_undo = True
+
+    relative_to = bpy.props.EnumProperty(items=(
+            ('OPT_1', "Scene Origin", "blahblah"),
+            ('OPT_2', "3D Cursor", "blahblah")
+            ),
+        name="Relative To:",
+        description="blahbkah",
+        default='OPT_1')
     
     align_x = BoolProperty(name="Align X",
         description="Align in the X axis", default=False)
@@ -66,11 +112,12 @@ class TestCrap(bpy.types.Operator):
 
     def execute(self, context):
     
-        align_X = self.properties.align_x
-        align_Y = self.properties.align_y
-        align_Z = self.properties.align_z
+        relative_to = self.properties.relative_to
+        align_x = self.properties.align_x
+        align_y = self.properties.align_y
+        align_z = self.properties.align_z
 
-        align_objects(align_x, align_y, align_z)
+        align_objects(align_x, align_y, align_z, relative_to)
 
         return {'FINISHED'}