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, 14 insertions, 2 deletions

diff --git a/source/blender/makesrna/intern/rna_modifier.c b/source/blender/makesrna/intern/rna_modifier.c
index e0c9be7ddae..51b50647e1d 100644
--- a/source/blender/makesrna/intern/rna_modifier.c
+++ b/source/blender/makesrna/intern/rna_modifier.c
@@ -1795,17 +1795,29 @@ static void rna_def_modifier_warp(BlenderRNA *brna)
   RNA_def_struct_ui_icon(srna, ICON_MOD_WARP);
 
   prop = RNA_def_property(srna, "object_from", PROP_POINTER, PROP_NONE);
-  RNA_def_property_ui_text(prop, "From", "Object to transform from");
+  RNA_def_property_pointer_sdna(prop, NULL, "object_from");
+  RNA_def_property_ui_text(prop, "Object From", "Object to transform from");
   RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
   RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
   RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
+  prop = RNA_def_property(srna, "bone_from", PROP_STRING, PROP_NONE);
+  RNA_def_property_string_sdna(prop, NULL, "bone_from");
+  RNA_def_property_ui_text(prop, "Bone From", "Bone to transform from");
+  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
+
   prop = RNA_def_property(srna, "object_to", PROP_POINTER, PROP_NONE);
-  RNA_def_property_ui_text(prop, "To", "Object to transform to");
+  RNA_def_property_pointer_sdna(prop, NULL, "object_to");
+  RNA_def_property_ui_text(prop, "Object To", "Object to transform to");
   RNA_def_property_flag(prop, PROP_EDITABLE | PROP_ID_SELF_CHECK);
   RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
   RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
 
+  prop = RNA_def_property(srna, "bone_to", PROP_STRING, PROP_NONE);
+  RNA_def_property_string_sdna(prop, NULL, "bone_to");
+  RNA_def_property_ui_text(prop, "Bone To", "Bone defining offset");
+  RNA_def_property_update(prop, 0, "rna_Modifier_dependency_update");
+
   prop = RNA_def_property(srna, "strength", PROP_FLOAT, PROP_NONE);
   RNA_def_property_range(prop, -FLT_MAX, FLT_MAX);
   RNA_def_property_ui_range(prop, -100, 100, 10, 2);