diff options
author | Lukas Stockner <lukas.stockner@freenet.de> | 2019-07-31 22:04:52 +0300 |
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committer | Lukas Stockner <lukas.stockner@freenet.de> | 2019-07-31 22:08:18 +0300 |
commit | a2f357edc2afb8f3ded60bc0e48c4015d6ad8f40 (patch) | |
tree | 4643a09b8fec9d4c40309ae9d279a2b47636633d /source/blender/blenkernel/intern | |
parent | feed46c4ae480ccd3f1b1ee6bb61adaf308f85c3 (diff) |
Add operator for removing unused material slots
Reviewers: campbellbarton, brecht
Reviewed By: brecht
Subscribers: brecht
Differential Revision: https://developer.blender.org/D4991
Diffstat (limited to 'source/blender/blenkernel/intern')
-rw-r--r-- | source/blender/blenkernel/intern/curve.c | 26 | ||||
-rw-r--r-- | source/blender/blenkernel/intern/gpencil.c | 16 | ||||
-rw-r--r-- | source/blender/blenkernel/intern/material.c | 20 | ||||
-rw-r--r-- | source/blender/blenkernel/intern/mesh.c | 21 |
4 files changed, 83 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/curve.c b/source/blender/blenkernel/intern/curve.c index 931c0ed73d3..efdfa2c19bb 100644 --- a/source/blender/blenkernel/intern/curve.c +++ b/source/blender/blenkernel/intern/curve.c @@ -5313,6 +5313,32 @@ void BKE_curve_material_index_remove(Curve *cu, int index) } } +bool BKE_curve_material_index_used(Curve *cu, int index) +{ + const int curvetype = BKE_curve_type_get(cu); + + if (curvetype == OB_FONT) { + struct CharInfo *info = cu->strinfo; + int i; + for (i = cu->len_wchar - 1; i >= 0; i--, info++) { + if (info->mat_nr == index) { + return true; + } + } + } + else { + Nurb *nu; + + for (nu = cu->nurb.first; nu; nu = nu->next) { + if (nu->mat_nr == index) { + return true; + } + } + } + + return false; +} + void BKE_curve_material_index_clear(Curve *cu) { const int curvetype = BKE_curve_type_get(cu); diff --git a/source/blender/blenkernel/intern/gpencil.c b/source/blender/blenkernel/intern/gpencil.c index 058c0d10b8e..7d732235f7e 100644 --- a/source/blender/blenkernel/intern/gpencil.c +++ b/source/blender/blenkernel/intern/gpencil.c @@ -1662,6 +1662,22 @@ void BKE_gpencil_material_index_reassign(bGPdata *gpd, int totcol, int index) } } +/* remove strokes using a material */ +bool BKE_gpencil_material_index_used(bGPdata *gpd, int index) +{ + for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) { + for (bGPDframe *gpf = gpl->frames.first; gpf; gpf = gpf->next) { + for (bGPDstroke *gps = gpf->strokes.first; gps; gps = gps->next) { + if (gps->mat_nr == index) { + return true; + } + } + } + } + + return false; +} + void BKE_gpencil_material_remap(struct bGPdata *gpd, const unsigned int *remap, unsigned int remap_len) 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 */ diff --git a/source/blender/blenkernel/intern/mesh.c b/source/blender/blenkernel/intern/mesh.c index f38161546e2..7e755e54eaa 100644 --- a/source/blender/blenkernel/intern/mesh.c +++ b/source/blender/blenkernel/intern/mesh.c @@ -1206,6 +1206,27 @@ void BKE_mesh_material_index_remove(Mesh *me, short index) } } +bool BKE_mesh_material_index_used(Mesh *me, short index) +{ + MPoly *mp; + MFace *mf; + int i; + + for (mp = me->mpoly, i = 0; i < me->totpoly; i++, mp++) { + if (mp->mat_nr == index) { + return true; + } + } + + for (mf = me->mface, i = 0; i < me->totface; i++, mf++) { + if (mf->mat_nr == index) { + return true; + } + } + + return false; +} + void BKE_mesh_material_index_clear(Mesh *me) { MPoly *mp; |