[Bf-blender-cvs] [58bac408ef4] temp-node-error-messages: Add error message in attribute randomize node

[Hans Goudey]

Commit: 58bac408ef45b108b5d5a4f1103b592923f74eec
Author: Hans Goudey
Date:   Mon Feb 15 23:42:12 2021 -0600
Branches: temp-node-error-messages
https://developer.blender.org/rB58bac408ef45b108b5d5a4f1103b592923f74eec

Add error message in attribute randomize node

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M	source/blender/nodes/geometry/nodes/node_geo_attribute_randomize.cc

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diff --git a/source/blender/nodes/geometry/nodes/node_geo_attribute_randomize.cc b/source/blender/nodes/geometry/nodes/node_geo_attribute_randomize.cc
index 8a098c366a0..4a18544671c 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_attribute_randomize.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_attribute_randomize.cc
@@ -214,6 +214,8 @@ static void randomize_attribute_on_component(GeometryComponent &component,
    * doesn't already exist, don't do the operation. */
   if (operation != GEO_NODE_ATTRIBUTE_RANDOMIZE_REPLACE_CREATE) {
     if (!component.attribute_exists(attribute_name)) {
+      params.error_message_add(NodeWarningType::Error,
+                               "Attribute with name \'" + attribute_name + "\' does not exist.");
       return;
     }
   }