patch [#20724] Randomize Loc Rot Size py operator for B2.5

written from scratch by Daniel Salazar (zanqdo). added own modifications.

New property type
 bpy.props.FloatVectorProperty(), only difference with float is it takes a 'size' argument and optional 'default' sequence of floats.

moved bpy.props.* functions out of bpy_rna.c into their own C file.

release/scripts/op/object_randomize_transform.py

@@ -0,0 +1,134 @@
+# ##### 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 LICENSE BLOCK #####
+
+import bpy
+
+def randomize_selected(seed, loc, rot, scale, scale_even, scale_min):
+
+    import random
+    from random import uniform
+    from Mathutils import Vector
+
+    random.seed(seed)
+
+    def rand_vec(vec_range):
+        return Vector([uniform(-val, val) for val in vec_range])
+
+
+    for obj in bpy.context.selected_objects:
+        
+        if loc:
+            obj.location += rand_vec(loc)
+        
+        if rot: # TODO, non euler's
+            vec = rand_vec(rot)
+            obj.rotation_euler[0] += vec[0]
+            obj.rotation_euler[1] += vec[1]
+            obj.rotation_euler[2] += vec[2]
+
+        if scale:
+            org_sca_x, org_sca_y, org_sca_z = obj.scale
+
+            if scale_even:
+                sca_x = sca_y = sca_z = uniform(scale[0], -scale[0])
+            else:
+                sca_x, sca_y, sca_z = rand_vec(scale)
+
+            aX = sca_x + org_sca_x
+            bX = org_sca_x * scale_min / 100.0
+
+            aY = sca_y + org_sca_y
+            bY = org_sca_y * scale_min / 100.0
+
+            aZ = sca_z + org_sca_z
+            bZ = org_sca_z * scale_min / 100.0
+
+            if aX < bX: aX = bX
+            if aY < bY: aY = bY
+            if aZ < bZ: aZ = bZ
+
+            obj.scale = aX, aY, aZ
+
+from bpy.props import *
+
+
+class RandomizeLocRotSize(bpy.types.Operator):
+    '''Randomize objects loc/rot/scale.'''
+    bl_idname = "object.randomize_locrotsize"
+    bl_label = "Randomize Loc Rot Size"
+    bl_register = True
+    bl_undo = True
+
+    random_seed = IntProperty(name="Random Seed",
+        description="Seed value for the random generator",
+        default=0, min=0, max=1000)
+        
+    use_loc = BoolProperty(name="Randomize Location",
+        description="Randomize the scale values", default=True)
+        
+    loc = FloatVectorProperty(name="Location",
+        description="Maximun distance the objects can spread over each axis",
+        default=(0.0, 0.0, 0.0), min=-100.0, max=100.0)
+
+    use_rot = BoolProperty(name="Randomize Rotation",
+        description="Randomize the rotation values", default=True)
+
+    rot = FloatVectorProperty(name="Rotation",
+        description="Maximun rotation over each axis",
+        default=(0.0, 0.0, 0.0), min=-180.0, max=180.0)
+
+    use_scale = BoolProperty(name="Randomize Scale",
+        description="Randomize the scale values", default=True)
+
+    scale_even = BoolProperty(name="Scale Even",
+        description="Use the same scale value for all axis", default=False)
+
+    scale_min = FloatProperty(name="Minimun Scale Factor",
+        description="Lowest scale percentage possible",
+        default=15.0, min=-100.0, max=100.0)
+        
+    scale = FloatVectorProperty(name="Scale",
+        description="Maximum scale randomization over each axis",
+        default=(0.0, 0.0, 0.0), min=-100.0, max=100.0)
+        
+    def execute(self, context):
+        from math import radians
+        seed = self.properties.random_seed
+
+        loc = self.properties.loc if self.properties.use_loc else None
+        rot = self.properties.rot if self.properties.use_rot else None
+        scale = [radians(val) for val in self.properties.scale] if self.properties.use_scale else None        
+
+        scale_even = self.properties.scale_even
+        scale_min= self.properties.scale_min
+
+        randomize_selected(seed, loc, rot, scale, scale_even, scale_min)
+
+        return {'FINISHED'}
+
+
+# Register the operator
+bpy.types.register(RandomizeLocRotSize)
+
+# Add to the menu
+def menu_func(self, context):
+    if context.mode == 'OBJECT':
+        self.layout.operator(RandomizeLocRotSize.bl_idname,
+        text="Randomize Loc Rot Size")
+
+bpy.types.VIEW3D_MT_transform.append(menu_func)