From a2f357edc2afb8f3ded60bc0e48c4015d6ad8f40 Mon Sep 17 00:00:00 2001 From: Lukas Stockner Date: Wed, 31 Jul 2019 12:04:52 -0700 Subject: Add operator for removing unused material slots Reviewers: campbellbarton, brecht Reviewed By: brecht Subscribers: brecht Differential Revision: https://developer.blender.org/D4991 --- source/blender/blenkernel/intern/material.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'source/blender/blenkernel/intern/material.c') diff --git a/source/blender/blenkernel/intern/material.c b/source/blender/blenkernel/intern/material.c index 391af8b96ab..1382b863637 100644 --- a/source/blender/blenkernel/intern/material.c +++ b/source/blender/blenkernel/intern/material.c @@ -366,6 +366,26 @@ static void material_data_index_remove_id(ID *id, short index) } } +bool BKE_object_material_slot_used(ID *id, short actcol) +{ + /* ensure we don't try get materials from non-obdata */ + BLI_assert(OB_DATA_SUPPORT_ID(GS(id->name))); + + switch (GS(id->name)) { + case ID_ME: + return BKE_mesh_material_index_used((Mesh *)id, actcol - 1); + case ID_CU: + return BKE_curve_material_index_used((Curve *)id, actcol - 1); + case ID_MB: + /* meta-elems don't have materials atm */ + return false; + case ID_GD: + return BKE_gpencil_material_index_used((bGPdata *)id, actcol - 1); + default: + return false; + } +} + static void material_data_index_clear_id(ID *id) { /* ensure we don't try get materials from non-obdata */ -- cgit v1.2.3