Fix T62422: Baking ray distance do not work

The previous naming scheme for the "selected to active" baking options
lead to confusion and they were not describing what they actually did.

To remedy this, I've added a new settings that does what the older setting implied it did.

Reviewed By: Brecht, Dalai, Andy Davies

Differential Revision: http://developer.blender.org/D7733

1 files changed, 11 insertions, 1 deletions

diff --git a/source/blender/makesrna/intern/rna_scene.c b/source/blender/makesrna/intern/rna_scene.c
index 6423175e2f4..0d5e59b0e8b 100644
--- a/source/blender/makesrna/intern/rna_scene.c
+++ b/source/blender/makesrna/intern/rna_scene.c
@@ -4884,13 +4884,23 @@ static void rna_def_bake_data(BlenderRNA *brna)
   RNA_def_property_ui_text(prop, "Margin", "Extends the baked result as a post process filter");
   RNA_def_property_update(prop, NC_SCENE | ND_RENDER_OPTIONS, NULL);
 
+  prop = RNA_def_property(srna, "max_ray_distance", PROP_FLOAT, PROP_DISTANCE);
+  RNA_def_property_range(prop, 0.0, FLT_MAX);
+  RNA_def_property_ui_range(prop, 0.0, 1.0, 1, 3);
+  RNA_def_property_ui_text(prop,
+                           "Max Ray Distance",
+                           "The maximum ray distance for matching points between the active and "
+                           "selected objects. If zero, there is no limit");
+  RNA_def_property_update(prop, NC_SCENE | ND_RENDER_OPTIONS, NULL);
+
   prop = RNA_def_property(srna, "cage_extrusion", PROP_FLOAT, PROP_DISTANCE);
   RNA_def_property_range(prop, 0.0, FLT_MAX);
   RNA_def_property_ui_range(prop, 0.0, 1.0, 1, 3);
   RNA_def_property_ui_text(
       prop,
       "Cage Extrusion",
-      "Distance to use for the inward ray cast when using selected to active");
+      "Inflate the active object by the specified distance for baking. This helps matching to "
+      "points nearer to the outside of the selected object meshes");
   RNA_def_property_update(prop, NC_SCENE | ND_RENDER_OPTIONS, NULL);
 
   prop = RNA_def_property(srna, "normal_space", PROP_ENUM, PROP_NONE);