Warp modifier: add bone from and bone to options when using armature objects

This commit adds the option to use armature bones for the From and To targets
when using armature objects.

The changes are based on the UV Warp modifier.

Reviewed By: mont29

Differential Revision: https://developer.blender.org/D6820

1 files changed, 18 insertions, 2 deletions

diff --git a/release/scripts/startup/bl_ui/properties_data_modifier.py b/release/scripts/startup/bl_ui/properties_data_modifier.py
index e72e826ce23..1f7c5bfd054 100644
--- a/release/scripts/startup/bl_ui/properties_data_modifier.py
+++ b/release/scripts/startup/bl_ui/properties_data_modifier.py
@@ -1173,11 +1173,27 @@ class DATA_PT_modifiers(ModifierButtonsPanel, Panel):
         col.label(text="From:")
         col.prop(md, "object_from", text="")
 
-        col.prop(md, "use_volume_preserve")
-
         col = split.column()
         col.label(text="To:")
         col.prop(md, "object_to", text="")
+
+        split = layout.split()
+        col = split.column()
+        obj = md.object_from
+        if obj and obj.type == 'ARMATURE':
+            col.label(text="Bone:")
+            col.prop_search(md, "bone_from", obj.data, "bones", text="")
+
+        col = split.column()
+        obj = md.object_to
+        if obj and obj.type == 'ARMATURE':
+            col.label(text="Bone:")
+            col.prop_search(md, "bone_to", obj.data, "bones", text="")
+
+        split = layout.split()
+        col = split.column()
+        col.prop(md, "use_volume_preserve")
+        col = split.column()
         row = col.row(align=True)
         row.prop_search(md, "vertex_group", ob, "vertex_groups", text="")
         row.prop(md, "invert_vertex_group", text="", icon='ARROW_LEFTRIGHT')