Nodes: add Collection socket type

The implementation is pretty much the same as for Object sockets.
The socket color is the one that is used for collections in the outliner.

Part of D9739.

1 files changed, 5 insertions, 0 deletions

diff --git a/source/blender/editors/space_node/drawnode.c b/source/blender/editors/space_node/drawnode.c
index 0d371915316..f1ab433c639 100644
--- a/source/blender/editors/space_node/drawnode.c
+++ b/source/blender/editors/space_node/drawnode.c
@@ -3414,6 +3414,7 @@ static const float std_node_socket_colors[][4] = {
     {0.93, 0.62, 0.36, 1.0}, /* SOCK_OBJECT */
     {0.89, 0.76, 0.43, 1.0}, /* SOCK_IMAGE */
     {0.00, 0.84, 0.64, 1.0}, /* SOCK_GEOMETRY */
+    {0.96, 0.96, 0.96, 1.0}, /* SOCK_COLLECTION */
 };
 
 /* common color callbacks for standard types */
@@ -3537,6 +3538,10 @@ static void std_node_socket_draw(
       uiItemR(layout, ptr, "default_value", DEFAULT_FLAGS, text, 0);
       break;
     }
+    case SOCK_COLLECTION: {
+      uiItemR(layout, ptr, "default_value", DEFAULT_FLAGS, text, 0);
+      break;
+    }
     default:
       node_socket_button_label(C, layout, ptr, node_ptr, text);
       break;