Merge with trunk up to r38584.

14 files changed, 363 insertions, 73 deletions

diff --git a/release/scripts/modules/addon_utils.py b/release/scripts/modules/addon_utils.py
index 07f1dc618dc..cf74282d064 100644
--- a/release/scripts/modules/addon_utils.py
+++ b/release/scripts/modules/addon_utils.py
@@ -31,6 +31,8 @@ __all__ = (
 import bpy as _bpy
 
 
+error_duplicates = False
+
 def paths():
     # RELEASE SCRIPTS: official scripts distributed in Blender releases
     paths = _bpy.utils.script_paths("addons")
@@ -47,8 +49,11 @@ def paths():
 
 
 def modules(module_cache):
+    global error_duplicates
     import os
 
+    error_duplicates = False
+
     path_list = paths()
 
     # fake module importing
@@ -117,7 +122,12 @@ def modules(module_cache):
             modules_stale -= {mod_name}
             mod = module_cache.get(mod_name)
             if mod:
-                if mod.__time__ != os.path.getmtime(mod_path):
+                if mod.__file__ != mod_path:
+                    print("multiple addons with the same name:\n  %r\n  %r" %
+                          (mod.__file__, mod_path))
+                    error_duplicates = True
+
+                elif mod.__time__ != os.path.getmtime(mod_path):
                     print("reloading addon:", mod_name, mod.__time__, os.path.getmtime(mod_path), mod_path)
                     del module_cache[mod_name]
                     mod = None
diff --git a/release/scripts/modules/bpy/path.py b/release/scripts/modules/bpy/path.py
index 5e95428f641..f6254efac2e 100644
--- a/release/scripts/modules/bpy/path.py
+++ b/release/scripts/modules/bpy/path.py
@@ -35,7 +35,7 @@ def abspath(path, start=None):
     :type start: string
     """
     if path.startswith("//"):
-        return _os.path.join(_os.path.dirname(_bpy.data.filepath if start is None else start), path[2:])
+        return _os.path.join(_os.path.dirname(_bpy.data.filepath) if start is None else start, path[2:])
 
     return path
 
@@ -117,7 +117,7 @@ def display_name_from_filepath(name):
     """
     Returns the path stripped of directort and extension, ensured to be utf8 compatible.
     """
-    return _os.path.splitext(_os.path.basename(name))[0].encode("utf8", "replace").decode("utf8")
+    return _os.path.splitext(basename(name))[0].encode("utf8", "replace").decode("utf8")
 
 
 def resolve_ncase(path):
@@ -231,3 +231,12 @@ def module_names(path, recursive=False):
                         modules.append(("%s.%s" % (filename, mod_name), mod_path))
 
     return modules
+
+
+def basename(path):
+    """
+    Equivalent to os.path.basename, but skips a "//" suffix.
+
+    Use for Windows compatibility.
+    """
+    return _os.path.basename(path[2:] if path.startswith("//") else path)
diff --git a/release/scripts/modules/bpy/utils.py b/release/scripts/modules/bpy/utils.py
index 7c0d3d24cba..57d3e6dd703 100644
--- a/release/scripts/modules/bpy/utils.py
+++ b/release/scripts/modules/bpy/utils.py
@@ -298,11 +298,18 @@ _presets = _os.path.join(_scripts[0], "presets")  # FIXME - multiple paths
 def preset_paths(subdir):
     """
     Returns a list of paths for a specific preset.
+
+    :arg subdir: preset subdirectory (must not be an absolute path).
+    :type subdir: string
+    :return: script paths.
+    :rtype: list
     """
     dirs = []
     for path in script_paths("presets", all=True):
         directory = _os.path.join(path, subdir)
-        if _os.path.isdir(directory):
+        if not directory.startswith(path):
+            raise Exception("invalid subdir given %r" % subdir)
+        elif _os.path.isdir(directory):
             dirs.append(directory)
     return dirs
 
diff --git a/release/scripts/modules/bpy_extras/image_utils.py b/release/scripts/modules/bpy_extras/image_utils.py
index f91535a0ad4..e56c1c651c4 100644
--- a/release/scripts/modules/bpy_extras/image_utils.py
+++ b/release/scripts/modules/bpy_extras/image_utils.py
@@ -86,7 +86,9 @@ def load_image(imagepath,
     variants = [imagepath]
 
     if dirname:
-        variants += [os.path.join(dirname, imagepath), os.path.join(dirname, os.path.basename(imagepath))]
+        variants += [os.path.join(dirname, imagepath),
+                     os.path.join(dirname, bpy.path.basename(imagepath)),
+                     ]
 
     for filepath_test in variants:
         if ncase_cmp:
@@ -99,7 +101,7 @@ def load_image(imagepath,
                 return _image_load(nfilepath)
 
     if place_holder:
-        image = bpy.data.images.new(os.path.basename(imagepath), 128, 128)
+        image = bpy.data.images.new(bpy.path.basename(imagepath), 128, 128)
         # allow the path to be resolved later
         image.filepath = imagepath
         return image
diff --git a/release/scripts/modules/bpy_extras/io_utils.py b/release/scripts/modules/bpy_extras/io_utils.py
index cfa2233f7b6..9545e20b025 100644
--- a/release/scripts/modules/bpy_extras/io_utils.py
+++ b/release/scripts/modules/bpy_extras/io_utils.py
@@ -22,6 +22,7 @@ __all__ = (
     "ExportHelper",
     "ImportHelper",
     "axis_conversion",
+    "axis_conversion_ensure",
     "create_derived_objects",
     "free_derived_objects",
     "unpack_list",
@@ -154,12 +155,50 @@ def axis_conversion(from_forward='Y', from_up='Z', to_forward='Y', to_up='Z'):
     if from_forward == to_forward and from_up == to_up:
         return Matrix().to_3x3()
 
+    if from_forward[-1] == from_up[-1] or to_forward[-1] == to_up[-1]:
+        raise Exception("invalid axis arguments passed, "
+                        "can't use up/forward on the same axis.")
+
     value = reduce(int.__or__, (_axis_convert_num[a] << (i * 3) for i, a in enumerate((from_forward, from_up, to_forward, to_up))))
 
     for i, axis_lut in enumerate(_axis_convert_lut):
         if value in axis_lut:
             return Matrix(_axis_convert_matrix[i])
-    assert("internal error")
+    assert(0)
+
+    
+def axis_conversion_ensure(operator, forward_attr, up_attr):
+    """
+    Function to ensure an operator has valid axis conversion settings, intended
+    to be used from :class:`Operator.check`.
+
+    :arg operator: the operator to access axis attributes from.
+    :type operator: :class:`Operator`
+    :arg forward_attr: 
+    :type forward_attr: string
+    :arg up_attr: the directory the *filepath* will be referenced from (normally the export path).
+    :type up_attr: string
+    :return: True if the value was modified.
+    :rtype: boolean
+    """
+    def validate(axis_forward, axis_up):
+        if axis_forward[-1] == axis_up[-1]:
+            axis_up = axis_up[0:-1] + 'XYZ'[('XYZ'.index(axis_up[-1]) + 1) % 3]
+        
+        return axis_forward, axis_up
+    
+    change = False
+
+    axis = getattr(operator, forward_attr), getattr(operator, up_attr)
+    axis_new = validate(*axis)
+
+    if axis != axis_new:
+        setattr(operator, forward_attr, axis_new[0])
+        setattr(operator, up_attr, axis_new[1])
+
+        return True
+    else:
+        return False
 
 
 # return a tuple (free, object list), free is True if memory should be freed later with free_derived_objects()
diff --git a/release/scripts/modules/bpy_extras/mesh_utils.py b/release/scripts/modules/bpy_extras/mesh_utils.py
index 34925ccb5e9..c42d3d0236a 100644
--- a/release/scripts/modules/bpy_extras/mesh_utils.py
+++ b/release/scripts/modules/bpy_extras/mesh_utils.py
@@ -16,7 +16,7 @@
 #
 # ##### END GPL LICENSE BLOCK #####
 
-# <pep8 compliant>
+# <pep8-80 compliant>
 
 __all__ = (
     "mesh_linked_faces",
@@ -25,6 +25,7 @@ __all__ = (
     "edge_loops_from_faces",
     "edge_loops_from_edges",
     "ngon_tesselate",
+    "face_random_points",
 )
 
 
@@ -67,7 +68,8 @@ def mesh_linked_faces(mesh):
                         if mapped_index != nxt_mapped_index:
                             ok = True
 
-                            # Assign mapping to this group so they all map to this group
+                            # Assign mapping to this group so they
+                            # all map to this group
                             for grp_f in face_groups[nxt_mapped_index]:
                                 face_mapping[grp_f.index] = mapped_index
 
@@ -433,3 +435,70 @@ def ngon_tesselate(from_data, indices, fix_loops=True):
                 fill[i] = tuple([ii for ii in reversed(fi)])
 
     return fill
+
+
+def face_random_points(num_points, faces):
+    """
+    Generates a list of random points over mesh faces.
+
+    :arg num_points: the number of random points to generate on each face.
+    :type int:
+    :arg faces: list of the faces to generate points on.
+    :type faces: :class:`MeshFaces`, sequence
+    :return: list of random points over all faces.
+    :rtype: list
+    """
+
+    from random import random
+    from mathutils.geometry import area_tri
+
+    # Split all quads into 2 tris, tris remain unchanged
+    tri_faces = []
+    for f in faces:
+        tris = []
+        verts = f.id_data.vertices
+        fv = f.vertices[:]
+        tris.append((verts[fv[0]].co,
+                     verts[fv[1]].co,
+                     verts[fv[2]].co,
+                    ))
+        if len(fv) == 4:
+            tris.append((verts[fv[0]].co,
+                         verts[fv[3]].co,
+                         verts[fv[2]].co,
+                        ))
+        tri_faces.append(tris)
+
+    # For each face, generate the required number of random points
+    sampled_points = [None] * (num_points * len(faces))
+    for i, tf in enumerate(tri_faces):
+        for k in range(num_points):
+            # If this is a quad, we need to weight its 2 tris by their area
+            if len(tf) != 1:
+                area1 = area_tri(*tf[0])
+                area2 = area_tri(*tf[1])
+                area_tot = area1 + area2
+
+                area1 = area1 / area_tot
+                area2 = area2 / area_tot
+
+                vecs = tf[0 if (random() < area1) else 1]
+            else:
+                vecs = tf[0]
+
+            u1 = random()
+            u2 = random()
+            u_tot = u1 + u2
+
+            if u_tot > 1:
+                u1 = 1.0 - u1
+                u2 = 1.0 - u2
+
+            side1 = vecs[1] - vecs[0]
+            side2 = vecs[2] - vecs[0]
+
+            p = vecs[0] + u1 * side1 + u2 * side2
+
+            sampled_points[num_points * i + k] = p
+
+    return sampled_points
diff --git a/release/scripts/startup/bl_operators/image.py b/release/scripts/startup/bl_operators/image.py
index 34c5b0d922a..4bb53f776ba 100644
--- a/release/scripts/startup/bl_operators/image.py
+++ b/release/scripts/startup/bl_operators/image.py
@@ -163,7 +163,7 @@ class ProjectEdit(bpy.types.Operator):
             filepath_final = filepath + ("%.3d.%s" % (i, EXT))
             i += 1
 
-        image_new.name = os.path.basename(filepath_final)
+        image_new.name = bpy.path.basename(filepath_final)
         ProjectEdit._proj_hack[0] = image_new.name
 
         image_new.filepath_raw = filepath_final  # TODO, filepath raw is crummy
diff --git a/release/scripts/startup/bl_operators/object_align.py b/release/scripts/startup/bl_operators/object_align.py
index 3202a717001..d215f3476cf 100644
--- a/release/scripts/startup/bl_operators/object_align.py
+++ b/release/scripts/startup/bl_operators/object_align.py
@@ -21,13 +21,102 @@
 import bpy
 from mathutils import Vector
 
-
-def align_objects(align_x, align_y, align_z, align_mode, relative_to):
+def GlobalBB_LQ(bb_world):
+    
+    # Initialize the variables with the 8th vertex
+    left, right, front, back, down, up =\
+    bb_world[7][0],\
+    bb_world[7][0],\
+    bb_world[7][1],\
+    bb_world[7][1],\
+    bb_world[7][2],\
+    bb_world[7][2]
+    
+    # Test against the other 7 verts
+    for i in range (7):
+        
+        # X Range
+        val = bb_world[i][0]
+        if val < left:
+            left = val
+            
+        if val > right:
+            right = val
+            
+        # Y Range
+        val = bb_world[i][1]
+        if val < front:
+            front = val
+            
+        if val > back:
+            back = val
+            
+        # Z Range
+        val = bb_world[i][2]
+        if val < down:
+            down = val
+            
+        if val > up:
+            up = val
+        
+    return (Vector((left, front, up)), Vector((right, back, down)))
+
+def GlobalBB_HQ(obj):
+    
+    matrix_world = obj.matrix_world.copy()
+    
+    # Initialize the variables with the last vertex
+    
+    verts = obj.data.vertices
+    
+    val = verts[-1].co * matrix_world
+    
+    left, right, front, back, down, up =\
+    val[0],\
+    val[0],\
+    val[1],\
+    val[1],\
+    val[2],\
+    val[2]
+    
+    # Test against all other verts
+    for i in range (len(verts)-1):
+        
+        vco = verts[i].co * matrix_world
+        
+        # X Range
+        val = vco[0]
+        if val < left:
+            left = val
+            
+        if val > right:
+            right = val
+            
+        # Y Range
+        val = vco[1]
+        if val < front:
+            front = val
+            
+        if val > back:
+            back = val
+            
+        # Z Range
+        val = vco[2]
+        if val < down:
+            down = val
+            
+        if val > up:
+            up = val
+        
+    return (Vector((left, front, up)), Vector((right, back, down)))
+
+
+def align_objects(align_x, align_y, align_z, align_mode, relative_to, bb_quality):
 
     cursor = bpy.context.scene.cursor_location
 
-    Left_Up_Front_SEL = [0.0, 0.0, 0.0]
-    Right_Down_Back_SEL = [0.0, 0.0, 0.0]
+    Left_Front_Up_SEL = [0.0, 0.0, 0.0]
+    Right_Back_Down_SEL = [0.0, 0.0, 0.0]
 
     flag_first = True
 
@@ -42,78 +131,89 @@ def align_objects(align_x, align_y, align_z, align_mode, relative_to):
         return False
 
     for obj, bb_world in objs:
-        Left_Up_Front = bb_world[1]
-        Right_Down_Back = bb_world[7]
+        
+        if bb_quality:
+            GBB = GlobalBB_HQ(obj)
+        else:
+            GBB = GlobalBB_LQ(bb_world)
+            
+        Left_Front_Up = GBB[0]
+        Right_Back_Down = GBB[1]
 
         # Active Center
 
         if obj == bpy.context.active_object:
 
-            center_active_x = (Left_Up_Front[0] + Right_Down_Back[0]) / 2.0
-            center_active_y = (Left_Up_Front[1] + Right_Down_Back[1]) / 2.0
-            center_active_z = (Left_Up_Front[2] + Right_Down_Back[2]) / 2.0
+            center_active_x = (Left_Front_Up[0] + Right_Back_Down[0]) / 2.0
+            center_active_y = (Left_Front_Up[1] + Right_Back_Down[1]) / 2.0
+            center_active_z = (Left_Front_Up[2] + Right_Back_Down[2]) / 2.0
 
-            size_active_x = (Right_Down_Back[0] - Left_Up_Front[0]) / 2.0
-            size_active_y = (Right_Down_Back[1] - Left_Up_Front[1]) / 2.0
-            size_active_z = (Left_Up_Front[2] - Right_Down_Back[2]) / 2.0
+            size_active_x = (Right_Back_Down[0] - Left_Front_Up[0]) / 2.0
+            size_active_y = (Right_Back_Down[1] - Left_Front_Up[1]) / 2.0
+            size_active_z = (Left_Front_Up[2] - Right_Back_Down[2]) / 2.0
 
         # Selection Center
 
         if flag_first:
             flag_first = False
 
-            Left_Up_Front_SEL[0] = Left_Up_Front[0]
-            Left_Up_Front_SEL[1] = Left_Up_Front[1]
-            Left_Up_Front_SEL[2] = Left_Up_Front[2]
+            Left_Front_Up_SEL[0] = Left_Front_Up[0]
+            Left_Front_Up_SEL[1] = Left_Front_Up[1]
+            Left_Front_Up_SEL[2] = Left_Front_Up[2]
 
-            Right_Down_Back_SEL[0] = Right_Down_Back[0]
-            Right_Down_Back_SEL[1] = Right_Down_Back[1]
-            Right_Down_Back_SEL[2] = Right_Down_Back[2]
+            Right_Back_Down_SEL[0] = Right_Back_Down[0]
+            Right_Back_Down_SEL[1] = Right_Back_Down[1]
+            Right_Back_Down_SEL[2] = Right_Back_Down[2]
 
         else:
             # X axis
-            if Left_Up_Front[0] < Left_Up_Front_SEL[0]:
-                Left_Up_Front_SEL[0] = Left_Up_Front[0]
+            if Left_Front_Up[0] < Left_Front_Up_SEL[0]:
+                Left_Front_Up_SEL[0] = Left_Front_Up[0]
             # Y axis
-            if Left_Up_Front[1] < Left_Up_Front_SEL[1]:
-                Left_Up_Front_SEL[1] = Left_Up_Front[1]
+            if Left_Front_Up[1] < Left_Front_Up_SEL[1]:
+                Left_Front_Up_SEL[1] = Left_Front_Up[1]
             # Z axis
-            if Left_Up_Front[2] > Left_Up_Front_SEL[2]:
-                Left_Up_Front_SEL[2] = Left_Up_Front[2]
+            if Left_Front_Up[2] > Left_Front_Up_SEL[2]:
+                Left_Front_Up_SEL[2] = Left_Front_Up[2]
 
             # X axis
-            if Right_Down_Back[0] > Right_Down_Back_SEL[0]:
-                Right_Down_Back_SEL[0] = Right_Down_Back[0]
+            if Right_Back_Down[0] > Right_Back_Down_SEL[0]:
+                Right_Back_Down_SEL[0] = Right_Back_Down[0]
             # Y axis
-            if Right_Down_Back[1] > Right_Down_Back_SEL[1]:
-                Right_Down_Back_SEL[1] = Right_Down_Back[1]
+            if Right_Back_Down[1] > Right_Back_Down_SEL[1]:
+                Right_Back_Down_SEL[1] = Right_Back_Down[1]
             # Z axis
-            if Right_Down_Back[2] < Right_Down_Back_SEL[2]:
-                Right_Down_Back_SEL[2] = Right_Down_Back[2]
+            if Right_Back_Down[2] < Right_Back_Down_SEL[2]:
+                Right_Back_Down_SEL[2] = Right_Back_Down[2]
 
-    center_sel_x = (Left_Up_Front_SEL[0] + Right_Down_Back_SEL[0]) / 2.0
-    center_sel_y = (Left_Up_Front_SEL[1] + Right_Down_Back_SEL[1]) / 2.0
-    center_sel_z = (Left_Up_Front_SEL[2] + Right_Down_Back_SEL[2]) / 2.0
+    center_sel_x = (Left_Front_Up_SEL[0] + Right_Back_Down_SEL[0]) / 2.0
+    center_sel_y = (Left_Front_Up_SEL[1] + Right_Back_Down_SEL[1]) / 2.0
+    center_sel_z = (Left_Front_Up_SEL[2] + Right_Back_Down_SEL[2]) / 2.0
 
     # Main Loop
 
     for obj, bb_world in objs:
         bb_world = [Vector(v[:]) * obj.matrix_world for v in obj.bound_box]
+        
+        if bb_quality:
+            GBB = GlobalBB_HQ(obj)
+        else:
+            GBB = GlobalBB_LQ(bb_world)
+            
+        Left_Front_Up = GBB[0]
+        Right_Back_Down = GBB[1]
 
-        Left_Up_Front = bb_world[1]
-        Right_Down_Back = bb_world[7]
-
-        center_x = (Left_Up_Front[0] + Right_Down_Back[0]) / 2.0
-        center_y = (Left_Up_Front[1] + Right_Down_Back[1]) / 2.0
-        center_z = (Left_Up_Front[2] + Right_Down_Back[2]) / 2.0
+        center_x = (Left_Front_Up[0] + Right_Back_Down[0]) / 2.0
+        center_y = (Left_Front_Up[1] + Right_Back_Down[1]) / 2.0
+        center_z = (Left_Front_Up[2] + Right_Back_Down[2]) / 2.0
 
-        positive_x = Right_Down_Back[0]
-        positive_y = Right_Down_Back[1]
-        positive_z = Left_Up_Front[2]
+        positive_x = Right_Back_Down[0]
+        positive_y = Right_Back_Down[1]
+        positive_z = Left_Front_Up[2]
 
-        negative_x = Left_Up_Front[0]
-        negative_y = Left_Up_Front[1]
-        negative_z = Right_Down_Back[2]
+        negative_x = Left_Front_Up[0]
+        negative_y = Left_Front_Up[1]
+        negative_z = Right_Back_Down[2]
 
         obj_loc = obj.location
 
@@ -228,7 +328,7 @@ def align_objects(align_x, align_y, align_z, align_mode, relative_to):
     return True
 
 
-from bpy.props import EnumProperty
+from bpy.props import EnumProperty, BoolProperty
 
 
 class AlignObjects(bpy.types.Operator):
@@ -237,6 +337,11 @@ class AlignObjects(bpy.types.Operator):
     bl_label = "Align Objects"
     bl_options = {'REGISTER', 'UNDO'}
 
+    bb_quality = BoolProperty(
+            name="High Quality",
+            description="Enables high quality calculation of the bounding box for perfect results on complex shape meshes with rotation/scale (Slow)",
+            default=False)
+
     align_mode = EnumProperty(items=(
             ('OPT_1', "Negative Sides", ""),
             ('OPT_2', "Centers", ""),
@@ -269,10 +374,10 @@ class AlignObjects(bpy.types.Operator):
 
     def execute(self, context):
         align_axis = self.align_axis
-        ret = align_objects('X' in align_axis, 'Y' in align_axis, 'Z' in align_axis, self.align_mode, self.relative_to)
+        ret = align_objects('X' in align_axis, 'Y' in align_axis, 'Z' in align_axis, self.align_mode, self.relative_to, self.bb_quality)
 
         if not ret:
             self.report({'WARNING'}, "No objects with bound-box selected")
             return {'CANCELLED'}
         else:
-            return {'FINISHED'}
+            return {'FINISHED'}
\ No newline at end of file
diff --git a/release/scripts/startup/bl_operators/uvcalc_smart_project.py b/release/scripts/startup/bl_operators/uvcalc_smart_project.py
index 7ea89cfa479..9c3be84b807 100644
--- a/release/scripts/startup/bl_operators/uvcalc_smart_project.py
+++ b/release/scripts/startup/bl_operators/uvcalc_smart_project.py
@@ -747,14 +747,8 @@ def packIslands(islandList):
 
 
 def VectoQuat(vec):
-    a3 = vec.normalized()
-    up = Vector((0.0, 0.0, 1.0))
-    if abs(a3.dot(up)) == 1.0:
-        up = Vector((0.0, 1.0, 0.0))
-
-    a1 = a3.cross(up).normalized()
-    a2 = a3.cross(a1)
-    return Matrix((a1, a2, a3)).to_quaternion()
+    vec = vec.normalized()
+    return vec.to_track_quat('Z', 'X' if abs(vec.x) > 0.5 else 'Y').inverted()
 
 
 class thickface(object):
diff --git a/release/scripts/startup/bl_ui/properties_material.py b/release/scripts/startup/bl_ui/properties_material.py
index 45c15bd1ce6..2a52ae23782 100644
--- a/release/scripts/startup/bl_ui/properties_material.py
+++ b/release/scripts/startup/bl_ui/properties_material.py
@@ -174,6 +174,7 @@ class MATERIAL_PT_pipeline(MaterialButtonsPanel, bpy.types.Panel):
         row.prop(mat, "use_transparency")
         sub = row.column()
         sub.prop(mat, "offset_z")
+
         sub.active = mat_type and mat.use_transparency and mat.transparency_method == 'Z_TRANSPARENCY'
 
         row = layout.row()
@@ -199,6 +200,7 @@ class MATERIAL_PT_pipeline(MaterialButtonsPanel, bpy.types.Panel):
         col.prop(mat, "shadow_cast_alpha", text="Casting Alpha")
         col.prop(mat, "use_cast_buffer_shadows")
         col.prop(mat, "use_cast_approximate")
+        col.prop(mat, "pass_index")
 
 
 class MATERIAL_PT_diffuse(MaterialButtonsPanel, bpy.types.Panel):
@@ -729,7 +731,8 @@ class MATERIAL_PT_options(MaterialButtonsPanel, bpy.types.Panel):
         col.prop(mat, "use_vertex_color_paint")
         col.prop(mat, "use_vertex_color_light")
         col.prop(mat, "use_object_color")
-        col.prop(mat, "pass_index")
+        if simple_material(base_mat):
+            col.prop(mat, "pass_index")
 
 
 class MATERIAL_PT_shadow(MaterialButtonsPanel, bpy.types.Panel):
diff --git a/release/scripts/startup/bl_ui/properties_texture.py b/release/scripts/startup/bl_ui/properties_texture.py
index f0265f8db67..7ca8818cbd2 100644
--- a/release/scripts/startup/bl_ui/properties_texture.py
+++ b/release/scripts/startup/bl_ui/properties_texture.py
@@ -88,15 +88,15 @@ class TEXTURE_PT_context_texture(TextureButtonsPanel, bpy.types.Panel):
     @classmethod
     def poll(cls, context):
         engine = context.scene.render.engine
-        if not hasattr(context, "texture_slot"):
+        if not (hasattr(context, "texture_slot") or hasattr(context, "texture_node")):
             return False
         return ((context.material or context.world or context.lamp or context.brush or context.texture or context.particle_system or isinstance(context.space_data.pin_id, bpy.types.ParticleSettings))
             and (engine in cls.COMPAT_ENGINES))
 
     def draw(self, context):
         layout = self.layout
-        slot = context.texture_slot
-        node = context.texture_node
+        slot = getattr(context, "texture_slot", None)
+        node = getattr(context, "texture_node", None)
         space = context.space_data
         tex = context.texture
         idblock = context_tex_datablock(context)
@@ -393,7 +393,7 @@ class TEXTURE_PT_image_sampling(TextureTypePanel, bpy.types.Panel):
 
         idblock = context_tex_datablock(context)
         tex = context.texture
-        slot = context.texture_slot
+        slot = getattr(context, "texture_slot", None)
 
         split = layout.split()
 
@@ -408,7 +408,7 @@ class TEXTURE_PT_image_sampling(TextureTypePanel, bpy.types.Panel):
         col = split.column()
 
         #Only for Material based textures, not for Lamp/World...
-        if isinstance(idblock, bpy.types.Material):
+        if slot and isinstance(idblock, bpy.types.Material):
             col.prop(tex, "use_normal_map")
             row = col.row()
             row.active = tex.use_normal_map
diff --git a/release/scripts/startup/bl_ui/space_node.py b/release/scripts/startup/bl_ui/space_node.py
index fed1cc49c4c..831fd359782 100644
--- a/release/scripts/startup/bl_ui/space_node.py
+++ b/release/scripts/startup/bl_ui/space_node.py
@@ -135,9 +135,10 @@ class NODE_MT_node(bpy.types.Menu):
         layout.operator("transform.resize")
 
         layout.separator()
-
+        
         layout.operator("node.duplicate_move")
         layout.operator("node.delete")
+        layout.operator("node.delete_reconnect")
 
         layout.separator()
         layout.operator("node.link_make")
diff --git a/release/scripts/startup/bl_ui/space_userpref.py b/release/scripts/startup/bl_ui/space_userpref.py
index d4592e6e58c..886c70972b5 100644
--- a/release/scripts/startup/bl_ui/space_userpref.py
+++ b/release/scripts/startup/bl_ui/space_userpref.py
@@ -890,6 +890,16 @@ class USERPREF_PT_addons(bpy.types.Panel):
                 return True
         return False
 
+    @staticmethod
+    def draw_error(layout, message):
+        lines = message.split("\n")
+        box = layout.box()
+        rowsub = box.row()
+        rowsub.label(lines[0])
+        rowsub.label(icon='ERROR')
+        for l in lines[1:]:
+            box.label(l)
+
     def draw(self, context):
         layout = self.layout
 
@@ -910,6 +920,14 @@ class USERPREF_PT_addons(bpy.types.Panel):
 
         col = split.column()
 
+        # set in addon_utils.modules(...)
+        if addon_utils.error_duplicates:
+            self.draw_error(col,
+                            "Multiple addons using the same name found!\n"
+                            "likely a problem with the script search path.\n"
+                            "(see console for details)",
+                            )
+
         filter = context.window_manager.addon_filter
         search = context.window_manager.addon_search.lower()
         support = context.window_manager.addon_support
diff --git a/release/scripts/templates/batch_export.py b/release/scripts/templates/batch_export.py
new file mode 100644
index 00000000000..aa0e601725b
--- /dev/null
+++ b/release/scripts/templates/batch_export.py
@@ -0,0 +1,33 @@
+# exports each selected object into its own file
+
+import bpy
+import os
+
+# export to blend file location
+basedir = os.path.dirname(bpy.data.filepath)
+
+if not basedir:
+    raise Exception("Blend file is not saved")
+
+selection = bpy.context.selected_objects
+
+bpy.ops.object.select_all(action='DESELECT')
+
+for obj in selection:
+
+    obj.select = True
+
+    name = bpy.path.clean_name(obj.name)
+    fn = os.path.join(basedir, name)
+
+    bpy.ops.export_scene.fbx(filepath=fn + ".fbx", use_selection=True)
+
+    ## Can be used for multiple formats
+    # bpy.ops.export_scene.x3d(filepath=fn + ".x3d", use_selection=True)
+
+    obj.select = False
+    
+    print("written:", fn)
+
+for obj in selection:
+    obj.select = True