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blender-archive/source/blender/blenkernel/intern/material.c
Antonio Vazquez be1f4d875f Fix T72013: Gpencil Interpolate strokes causes instant crash when material list is empty
The problem was the draw function tried to use the material and gpsettings and both were NULL.

Now, the default material is used.
2019-11-29 11:25:16 +01:00

1623 lines
39 KiB
C

/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*/
/** \file
* \ingroup bke
*/
#include <string.h>
#include <math.h>
#include <stddef.h>
#include "CLG_log.h"
#include "MEM_guardedalloc.h"
#include "DNA_anim_types.h"
#include "DNA_collection_types.h"
#include "DNA_curve_types.h"
#include "DNA_material_types.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_customdata_types.h"
#include "DNA_gpencil_types.h"
#include "DNA_ID.h"
#include "DNA_meta_types.h"
#include "DNA_node_types.h"
#include "DNA_object_types.h"
#include "DNA_scene_types.h"
#include "DNA_defaults.h"
#include "BLI_math.h"
#include "BLI_listbase.h"
#include "BLI_utildefines.h"
#include "BLI_array_utils.h"
#include "BKE_animsys.h"
#include "BKE_brush.h"
#include "BKE_displist.h"
#include "BKE_gpencil.h"
#include "BKE_icons.h"
#include "BKE_image.h"
#include "BKE_library.h"
#include "BKE_main.h"
#include "BKE_material.h"
#include "BKE_mesh.h"
#include "BKE_scene.h"
#include "BKE_node.h"
#include "BKE_curve.h"
#include "BKE_editmesh.h"
#include "BKE_font.h"
#include "DEG_depsgraph.h"
#include "DEG_depsgraph_build.h"
#include "GPU_material.h"
/* used in UI and render */
Material defmaterial;
Material defgpencil_material;
static CLG_LogRef LOG = {"bke.material"};
/* called on startup, creator.c */
void init_def_material(void)
{
BKE_material_init(&defmaterial);
BKE_material_gpencil_init(&defgpencil_material);
}
/* Free the GPencil data of the default material, creator.c */
void BKE_material_gpencil_default_free(void)
{
MEM_SAFE_FREE(defgpencil_material.gp_style);
}
/** Free (or release) any data used by this material (does not free the material itself). */
void BKE_material_free(Material *ma)
{
BKE_animdata_free((ID *)ma, false);
/* Free gpu material before the ntree */
GPU_material_free(&ma->gpumaterial);
/* is no lib link block, but material extension */
if (ma->nodetree) {
ntreeFreeNestedTree(ma->nodetree);
MEM_freeN(ma->nodetree);
ma->nodetree = NULL;
}
MEM_SAFE_FREE(ma->texpaintslot);
MEM_SAFE_FREE(ma->gp_style);
BKE_icon_id_delete((ID *)ma);
BKE_previewimg_free(&ma->preview);
}
void BKE_material_init_gpencil_settings(Material *ma)
{
if ((ma) && (ma->gp_style == NULL)) {
ma->gp_style = MEM_callocN(sizeof(MaterialGPencilStyle), "Grease Pencil Material Settings");
MaterialGPencilStyle *gp_style = ma->gp_style;
/* set basic settings */
gp_style->stroke_rgba[3] = 1.0f;
gp_style->fill_rgba[3] = 1.0f;
gp_style->pattern_gridsize = 0.1f;
gp_style->gradient_radius = 0.5f;
ARRAY_SET_ITEMS(gp_style->mix_rgba, 1.0f, 1.0f, 1.0f, 0.2f);
ARRAY_SET_ITEMS(gp_style->gradient_scale, 1.0f, 1.0f);
ARRAY_SET_ITEMS(gp_style->texture_scale, 1.0f, 1.0f);
gp_style->texture_opacity = 1.0f;
gp_style->texture_pixsize = 100.0f;
gp_style->flag |= GP_STYLE_STROKE_SHOW;
}
}
void BKE_material_init(Material *ma)
{
BLI_assert(MEMCMP_STRUCT_AFTER_IS_ZERO(ma, id));
MEMCPY_STRUCT_AFTER(ma, DNA_struct_default_get(Material), id);
}
void BKE_material_gpencil_init(Material *ma)
{
BKE_material_init(ma);
/* grease pencil settings */
strcpy(ma->id.name, "MADefault GPencil");
BKE_material_init_gpencil_settings(ma);
add_v3_fl(&ma->gp_style->stroke_rgba[0], 0.6f);
}
Material *BKE_material_add(Main *bmain, const char *name)
{
Material *ma;
ma = BKE_libblock_alloc(bmain, ID_MA, name, 0);
BKE_material_init(ma);
return ma;
}
Material *BKE_material_add_gpencil(Main *bmain, const char *name)
{
Material *ma;
ma = BKE_material_add(bmain, name);
/* grease pencil settings */
if (ma != NULL) {
BKE_material_init_gpencil_settings(ma);
}
return ma;
}
/**
* Only copy internal data of Material ID from source
* to already allocated/initialized destination.
* You probably never want to use that directly,
* use #BKE_id_copy or #BKE_id_copy_ex for typical needs.
*
* WARNING! This function will not handle ID user count!
*
* \param flag: Copying options (see BKE_library.h's LIB_ID_COPY_... flags for more).
*/
void BKE_material_copy_data(Main *bmain, Material *ma_dst, const Material *ma_src, const int flag)
{
/* We always need allocation of our private ID data. */
const int flag_private_id_data = flag & ~LIB_ID_CREATE_NO_ALLOCATE;
if (ma_src->nodetree) {
BKE_id_copy_ex(bmain, (ID *)ma_src->nodetree, (ID **)&ma_dst->nodetree, flag_private_id_data);
}
if ((flag & LIB_ID_COPY_NO_PREVIEW) == 0) {
BKE_previewimg_id_copy(&ma_dst->id, &ma_src->id);
}
else {
ma_dst->preview = NULL;
}
if (ma_src->texpaintslot != NULL) {
ma_dst->texpaintslot = MEM_dupallocN(ma_src->texpaintslot);
}
if (ma_src->gp_style != NULL) {
ma_dst->gp_style = MEM_dupallocN(ma_src->gp_style);
}
BLI_listbase_clear(&ma_dst->gpumaterial);
/* TODO Duplicate Engine Settings and set runtime to NULL */
}
Material *BKE_material_copy(Main *bmain, const Material *ma)
{
Material *ma_copy;
BKE_id_copy(bmain, &ma->id, (ID **)&ma_copy);
return ma_copy;
}
/* XXX (see above) material copy without adding to main dbase */
Material *BKE_material_localize(Material *ma)
{
/* TODO(bastien): Replace with something like:
*
* Material *ma_copy;
* BKE_id_copy_ex(bmain, &ma->id, (ID **)&ma_copy,
* LIB_ID_COPY_NO_MAIN | LIB_ID_COPY_NO_PREVIEW | LIB_ID_COPY_NO_USER_REFCOUNT,
* false);
* return ma_copy;
*
* NOTE: Only possible once nested node trees are fully converted to that too. */
Material *man = BKE_libblock_copy_for_localize(&ma->id);
man->texpaintslot = NULL;
man->preview = NULL;
if (ma->nodetree != NULL) {
man->nodetree = ntreeLocalize(ma->nodetree);
}
if (ma->gp_style != NULL) {
man->gp_style = MEM_dupallocN(ma->gp_style);
}
BLI_listbase_clear(&man->gpumaterial);
/* TODO Duplicate Engine Settings and set runtime to NULL */
man->id.tag |= LIB_TAG_LOCALIZED;
return man;
}
void BKE_material_make_local(Main *bmain, Material *ma, const bool lib_local)
{
BKE_id_make_local_generic(bmain, &ma->id, true, lib_local);
}
Material ***give_matarar(Object *ob)
{
Mesh *me;
Curve *cu;
MetaBall *mb;
bGPdata *gpd;
if (ob->type == OB_MESH) {
me = ob->data;
return &(me->mat);
}
else if (ELEM(ob->type, OB_CURVE, OB_FONT, OB_SURF)) {
cu = ob->data;
return &(cu->mat);
}
else if (ob->type == OB_MBALL) {
mb = ob->data;
return &(mb->mat);
}
else if (ob->type == OB_GPENCIL) {
gpd = ob->data;
return &(gpd->mat);
}
return NULL;
}
short *give_totcolp(Object *ob)
{
Mesh *me;
Curve *cu;
MetaBall *mb;
bGPdata *gpd;
if (ob->type == OB_MESH) {
me = ob->data;
return &(me->totcol);
}
else if (ELEM(ob->type, OB_CURVE, OB_FONT, OB_SURF)) {
cu = ob->data;
return &(cu->totcol);
}
else if (ob->type == OB_MBALL) {
mb = ob->data;
return &(mb->totcol);
}
else if (ob->type == OB_GPENCIL) {
gpd = ob->data;
return &(gpd->totcol);
}
return NULL;
}
/* same as above but for ID's */
Material ***give_matarar_id(ID *id)
{
/* 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 &(((Mesh *)id)->mat);
case ID_CU:
return &(((Curve *)id)->mat);
case ID_MB:
return &(((MetaBall *)id)->mat);
case ID_GD:
return &(((bGPdata *)id)->mat);
default:
break;
}
return NULL;
}
short *give_totcolp_id(ID *id)
{
/* 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 &(((Mesh *)id)->totcol);
case ID_CU:
return &(((Curve *)id)->totcol);
case ID_MB:
return &(((MetaBall *)id)->totcol);
case ID_GD:
return &(((bGPdata *)id)->totcol);
default:
break;
}
return NULL;
}
static void material_data_index_remove_id(ID *id, short index)
{
/* 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:
BKE_mesh_material_index_remove((Mesh *)id, index);
break;
case ID_CU:
BKE_curve_material_index_remove((Curve *)id, index);
break;
case ID_MB:
/* meta-elems don't have materials atm */
break;
default:
break;
}
}
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 */
BLI_assert(OB_DATA_SUPPORT_ID(GS(id->name)));
switch (GS(id->name)) {
case ID_ME:
BKE_mesh_material_index_clear((Mesh *)id);
break;
case ID_CU:
BKE_curve_material_index_clear((Curve *)id);
break;
case ID_MB:
/* meta-elems don't have materials atm */
break;
default:
break;
}
}
void BKE_material_resize_id(Main *bmain, ID *id, short totcol, bool do_id_user)
{
Material ***matar = give_matarar_id(id);
short *totcolp = give_totcolp_id(id);
if (matar == NULL) {
return;
}
if (do_id_user && totcol < (*totcolp)) {
short i;
for (i = totcol; i < (*totcolp); i++) {
id_us_min((ID *)(*matar)[i]);
}
}
if (totcol == 0) {
if (*totcolp) {
MEM_freeN(*matar);
*matar = NULL;
}
}
else {
*matar = MEM_recallocN(*matar, sizeof(void *) * totcol);
}
*totcolp = totcol;
DEG_id_tag_update(id, ID_RECALC_COPY_ON_WRITE);
DEG_relations_tag_update(bmain);
}
void BKE_material_append_id(Main *bmain, ID *id, Material *ma)
{
Material ***matar;
if ((matar = give_matarar_id(id))) {
short *totcol = give_totcolp_id(id);
Material **mat = MEM_callocN(sizeof(void *) * ((*totcol) + 1), "newmatar");
if (*totcol) {
memcpy(mat, *matar, sizeof(void *) * (*totcol));
}
if (*matar) {
MEM_freeN(*matar);
}
*matar = mat;
(*matar)[(*totcol)++] = ma;
id_us_plus((ID *)ma);
test_all_objects_materials(bmain, id);
DEG_id_tag_update(id, ID_RECALC_COPY_ON_WRITE);
DEG_relations_tag_update(bmain);
}
}
Material *BKE_material_pop_id(Main *bmain, ID *id, int index_i)
{
short index = (short)index_i;
Material *ret = NULL;
Material ***matar;
if ((matar = give_matarar_id(id))) {
short *totcol = give_totcolp_id(id);
if (index >= 0 && index < (*totcol)) {
ret = (*matar)[index];
id_us_min((ID *)ret);
if (*totcol <= 1) {
*totcol = 0;
MEM_freeN(*matar);
*matar = NULL;
}
else {
if (index + 1 != (*totcol)) {
memmove((*matar) + index,
(*matar) + (index + 1),
sizeof(void *) * ((*totcol) - (index + 1)));
}
(*totcol)--;
*matar = MEM_reallocN(*matar, sizeof(void *) * (*totcol));
test_all_objects_materials(bmain, id);
}
material_data_index_remove_id(id, index);
DEG_id_tag_update(id, ID_RECALC_COPY_ON_WRITE);
DEG_relations_tag_update(bmain);
}
}
return ret;
}
void BKE_material_clear_id(Main *bmain, ID *id)
{
Material ***matar;
if ((matar = give_matarar_id(id))) {
short *totcol = give_totcolp_id(id);
while ((*totcol)--) {
id_us_min((ID *)((*matar)[*totcol]));
}
*totcol = 0;
if (*matar) {
MEM_freeN(*matar);
*matar = NULL;
}
test_all_objects_materials(bmain, id);
material_data_index_clear_id(id);
DEG_id_tag_update(id, ID_RECALC_COPY_ON_WRITE);
DEG_relations_tag_update(bmain);
}
}
Material **give_current_material_p(Object *ob, short act)
{
Material ***matarar, **ma_p;
const short *totcolp;
if (ob == NULL) {
return NULL;
}
/* if object cannot have material, (totcolp == NULL) */
totcolp = give_totcolp(ob);
if (totcolp == NULL || ob->totcol == 0) {
return NULL;
}
/* return NULL for invalid 'act', can happen for mesh face indices */
if (act > ob->totcol) {
return NULL;
}
else if (act <= 0) {
if (act < 0) {
CLOG_ERROR(&LOG, "Negative material index!");
}
return NULL;
}
if (ob->matbits && ob->matbits[act - 1]) { /* in object */
ma_p = &ob->mat[act - 1];
}
else { /* in data */
/* check for inconsistency */
if (*totcolp < ob->totcol) {
ob->totcol = *totcolp;
}
if (act > ob->totcol) {
act = ob->totcol;
}
matarar = give_matarar(ob);
if (matarar && *matarar) {
ma_p = &(*matarar)[act - 1];
}
else {
ma_p = NULL;
}
}
return ma_p;
}
Material *give_current_material(Object *ob, short act)
{
Material **ma_p = give_current_material_p(ob, act);
return ma_p ? *ma_p : NULL;
}
Material *BKE_material_gpencil_get(Object *ob, short act)
{
Material *ma = give_current_material(ob, act);
if (ma != NULL) {
return ma;
}
else {
return &defgpencil_material;
}
}
struct Material *BKE_material_gpencil_default_get(void)
{
return &defgpencil_material;
}
MaterialGPencilStyle *BKE_material_gpencil_settings_get(Object *ob, short act)
{
Material *ma = give_current_material(ob, act);
if (ma != NULL) {
if (ma->gp_style == NULL) {
BKE_material_init_gpencil_settings(ma);
}
return ma->gp_style;
}
else {
return defgpencil_material.gp_style;
}
}
Material *give_node_material(Material *ma)
{
if (ma && ma->use_nodes && ma->nodetree) {
bNode *node = nodeGetActiveID(ma->nodetree, ID_MA);
if (node) {
return (Material *)node->id;
}
}
return NULL;
}
void BKE_material_resize_object(Main *bmain, Object *ob, const short totcol, bool do_id_user)
{
Material **newmatar;
char *newmatbits;
if (do_id_user && totcol < ob->totcol) {
short i;
for (i = totcol; i < ob->totcol; i++) {
id_us_min((ID *)ob->mat[i]);
}
}
if (totcol == 0) {
if (ob->totcol) {
MEM_freeN(ob->mat);
MEM_freeN(ob->matbits);
ob->mat = NULL;
ob->matbits = NULL;
}
}
else if (ob->totcol < totcol) {
newmatar = MEM_callocN(sizeof(void *) * totcol, "newmatar");
newmatbits = MEM_callocN(sizeof(char) * totcol, "newmatbits");
if (ob->totcol) {
memcpy(newmatar, ob->mat, sizeof(void *) * ob->totcol);
memcpy(newmatbits, ob->matbits, sizeof(char) * ob->totcol);
MEM_freeN(ob->mat);
MEM_freeN(ob->matbits);
}
ob->mat = newmatar;
ob->matbits = newmatbits;
}
/* XXX, why not realloc on shrink? - campbell */
ob->totcol = totcol;
if (ob->totcol && ob->actcol == 0) {
ob->actcol = 1;
}
if (ob->actcol > ob->totcol) {
ob->actcol = ob->totcol;
}
DEG_id_tag_update(&ob->id, ID_RECALC_COPY_ON_WRITE | ID_RECALC_GEOMETRY);
DEG_relations_tag_update(bmain);
}
void test_object_materials(Main *bmain, Object *ob, ID *id)
{
/* make the ob mat-array same size as 'ob->data' mat-array */
const short *totcol;
if (id == NULL || (totcol = give_totcolp_id(id)) == NULL) {
return;
}
BKE_material_resize_object(bmain, ob, *totcol, false);
}
void test_all_objects_materials(Main *bmain, ID *id)
{
/* make the ob mat-array same size as 'ob->data' mat-array */
Object *ob;
const short *totcol;
if (id == NULL || (totcol = give_totcolp_id(id)) == NULL) {
return;
}
BKE_main_lock(bmain);
for (ob = bmain->objects.first; ob; ob = ob->id.next) {
if (ob->data == id) {
BKE_material_resize_object(bmain, ob, *totcol, false);
}
}
BKE_main_unlock(bmain);
}
void assign_material_id(Main *bmain, ID *id, Material *ma, short act)
{
Material *mao, **matar, ***matarar;
short *totcolp;
if (act > MAXMAT) {
return;
}
if (act < 1) {
act = 1;
}
/* test arraylens */
totcolp = give_totcolp_id(id);
matarar = give_matarar_id(id);
if (totcolp == NULL || matarar == NULL) {
return;
}
if (act > *totcolp) {
matar = MEM_callocN(sizeof(void *) * act, "matarray1");
if (*totcolp) {
memcpy(matar, *matarar, sizeof(void *) * (*totcolp));
MEM_freeN(*matarar);
}
*matarar = matar;
*totcolp = act;
}
/* in data */
mao = (*matarar)[act - 1];
if (mao) {
id_us_min(&mao->id);
}
(*matarar)[act - 1] = ma;
if (ma) {
id_us_plus(&ma->id);
}
test_all_objects_materials(bmain, id);
}
void assign_material(Main *bmain, Object *ob, Material *ma, short act, int assign_type)
{
Material *mao, **matar, ***matarar;
short *totcolp;
char bit = 0;
if (act > MAXMAT) {
return;
}
if (act < 1) {
act = 1;
}
/* prevent crashing when using accidentally */
BLI_assert(!ID_IS_LINKED(ob));
if (ID_IS_LINKED(ob)) {
return;
}
/* test arraylens */
totcolp = give_totcolp(ob);
matarar = give_matarar(ob);
if (totcolp == NULL || matarar == NULL) {
return;
}
if (act > *totcolp) {
matar = MEM_callocN(sizeof(void *) * act, "matarray1");
if (*totcolp) {
memcpy(matar, *matarar, sizeof(void *) * (*totcolp));
MEM_freeN(*matarar);
}
*matarar = matar;
*totcolp = act;
}
if (act > ob->totcol) {
/* Need more space in the material arrays */
ob->mat = MEM_recallocN_id(ob->mat, sizeof(void *) * act, "matarray2");
ob->matbits = MEM_recallocN_id(ob->matbits, sizeof(char) * act, "matbits1");
ob->totcol = act;
}
/* Determine the object/mesh linking */
if (assign_type == BKE_MAT_ASSIGN_EXISTING) {
/* keep existing option (avoid confusion in scripts),
* intentionally ignore userpref (default to obdata). */
bit = ob->matbits[act - 1];
}
else if (assign_type == BKE_MAT_ASSIGN_USERPREF && ob->totcol && ob->actcol) {
/* copy from previous material */
bit = ob->matbits[ob->actcol - 1];
}
else {
switch (assign_type) {
case BKE_MAT_ASSIGN_OBDATA:
bit = 0;
break;
case BKE_MAT_ASSIGN_OBJECT:
bit = 1;
break;
case BKE_MAT_ASSIGN_USERPREF:
default:
bit = (U.flag & USER_MAT_ON_OB) ? 1 : 0;
break;
}
}
/* do it */
ob->matbits[act - 1] = bit;
if (bit == 1) { /* in object */
mao = ob->mat[act - 1];
if (mao) {
id_us_min(&mao->id);
}
ob->mat[act - 1] = ma;
test_object_materials(bmain, ob, ob->data);
}
else { /* in data */
mao = (*matarar)[act - 1];
if (mao) {
id_us_min(&mao->id);
}
(*matarar)[act - 1] = ma;
test_all_objects_materials(bmain, ob->data); /* Data may be used by several objects... */
}
if (ma) {
id_us_plus(&ma->id);
}
}
void BKE_material_remap_object(Object *ob, const unsigned int *remap)
{
Material ***matar = give_matarar(ob);
const short *totcol_p = give_totcolp(ob);
BLI_array_permute(ob->mat, ob->totcol, remap);
if (ob->matbits) {
BLI_array_permute(ob->matbits, ob->totcol, remap);
}
if (matar) {
BLI_array_permute(*matar, *totcol_p, remap);
}
if (ob->type == OB_MESH) {
BKE_mesh_material_remap(ob->data, remap, ob->totcol);
}
else if (ELEM(ob->type, OB_CURVE, OB_SURF, OB_FONT)) {
BKE_curve_material_remap(ob->data, remap, ob->totcol);
}
else if (ob->type == OB_GPENCIL) {
BKE_gpencil_material_remap(ob->data, remap, ob->totcol);
}
else {
/* add support for this object data! */
BLI_assert(matar == NULL);
}
}
/**
* Calculate a material remapping from \a ob_src to \a ob_dst.
*
* \param remap_src_to_dst: An array the size of `ob_src->totcol`
* where index values are filled in which map to \a ob_dst materials.
*/
void BKE_material_remap_object_calc(Object *ob_dst, Object *ob_src, short *remap_src_to_dst)
{
if (ob_src->totcol == 0) {
return;
}
GHash *gh_mat_map = BLI_ghash_ptr_new_ex(__func__, ob_src->totcol);
for (int i = 0; i < ob_dst->totcol; i++) {
Material *ma_src = give_current_material(ob_dst, i + 1);
BLI_ghash_reinsert(gh_mat_map, ma_src, POINTER_FROM_INT(i), NULL, NULL);
}
/* setup default mapping (when materials don't match) */
{
int i = 0;
if (ob_dst->totcol >= ob_src->totcol) {
for (; i < ob_src->totcol; i++) {
remap_src_to_dst[i] = i;
}
}
else {
for (; i < ob_dst->totcol; i++) {
remap_src_to_dst[i] = i;
}
for (; i < ob_src->totcol; i++) {
remap_src_to_dst[i] = 0;
}
}
}
for (int i = 0; i < ob_src->totcol; i++) {
Material *ma_src = give_current_material(ob_src, i + 1);
if ((i < ob_dst->totcol) && (ma_src == give_current_material(ob_dst, i + 1))) {
/* when objects have exact matching materials - keep existing index */
}
else {
void **index_src_p = BLI_ghash_lookup_p(gh_mat_map, ma_src);
if (index_src_p) {
remap_src_to_dst[i] = POINTER_AS_INT(*index_src_p);
}
}
}
BLI_ghash_free(gh_mat_map, NULL, NULL);
}
/* XXX - this calls many more update calls per object then are needed, could be optimized */
void assign_matarar(Main *bmain, struct Object *ob, struct Material ***matar, short totcol)
{
int actcol_orig = ob->actcol;
short i;
while ((ob->totcol > totcol) && BKE_object_material_slot_remove(bmain, ob)) {
/* pass */
}
/* now we have the right number of slots */
for (i = 0; i < totcol; i++) {
assign_material(bmain, ob, (*matar)[i], i + 1, BKE_MAT_ASSIGN_USERPREF);
}
if (actcol_orig > ob->totcol) {
actcol_orig = ob->totcol;
}
ob->actcol = actcol_orig;
}
short BKE_object_material_slot_find_index(Object *ob, Material *ma)
{
Material ***matarar;
short a, *totcolp;
if (ma == NULL) {
return 0;
}
totcolp = give_totcolp(ob);
matarar = give_matarar(ob);
if (totcolp == NULL || matarar == NULL) {
return 0;
}
for (a = 0; a < *totcolp; a++) {
if ((*matarar)[a] == ma) {
break;
}
}
if (a < *totcolp) {
return a + 1;
}
return 0;
}
bool BKE_object_material_slot_add(Main *bmain, Object *ob)
{
if (ob == NULL) {
return false;
}
if (ob->totcol >= MAXMAT) {
return false;
}
assign_material(bmain, ob, NULL, ob->totcol + 1, BKE_MAT_ASSIGN_USERPREF);
ob->actcol = ob->totcol;
return true;
}
/* ****************** */
bool BKE_object_material_slot_remove(Main *bmain, Object *ob)
{
Material *mao, ***matarar;
short *totcolp;
short a, actcol;
if (ob == NULL || ob->totcol == 0) {
return false;
}
/* this should never happen and used to crash */
if (ob->actcol <= 0) {
CLOG_ERROR(&LOG, "invalid material index %d, report a bug!", ob->actcol);
BLI_assert(0);
return false;
}
/* take a mesh/curve/mball as starting point, remove 1 index,
* AND with all objects that share the ob->data
*
* after that check indices in mesh/curve/mball!!!
*/
totcolp = give_totcolp(ob);
matarar = give_matarar(ob);
if (ELEM(NULL, matarar, *matarar)) {
return false;
}
/* can happen on face selection in editmode */
if (ob->actcol > ob->totcol) {
ob->actcol = ob->totcol;
}
/* we delete the actcol */
mao = (*matarar)[ob->actcol - 1];
if (mao) {
id_us_min(&mao->id);
}
for (a = ob->actcol; a < ob->totcol; a++) {
(*matarar)[a - 1] = (*matarar)[a];
}
(*totcolp)--;
if (*totcolp == 0) {
MEM_freeN(*matarar);
*matarar = NULL;
}
actcol = ob->actcol;
for (Object *obt = bmain->objects.first; obt; obt = obt->id.next) {
if (obt->data == ob->data) {
/* Can happen when object material lists are used, see: T52953 */
if (actcol > obt->totcol) {
continue;
}
/* WATCH IT: do not use actcol from ob or from obt (can become zero) */
mao = obt->mat[actcol - 1];
if (mao) {
id_us_min(&mao->id);
}
for (a = actcol; a < obt->totcol; a++) {
obt->mat[a - 1] = obt->mat[a];
obt->matbits[a - 1] = obt->matbits[a];
}
obt->totcol--;
if (obt->actcol > obt->totcol) {
obt->actcol = obt->totcol;
}
if (obt->totcol == 0) {
MEM_freeN(obt->mat);
MEM_freeN(obt->matbits);
obt->mat = NULL;
obt->matbits = NULL;
}
}
}
/* check indices from mesh */
if (ELEM(ob->type, OB_MESH, OB_CURVE, OB_SURF, OB_FONT)) {
material_data_index_remove_id((ID *)ob->data, actcol - 1);
if (ob->runtime.curve_cache) {
BKE_displist_free(&ob->runtime.curve_cache->disp);
}
}
/* check indices from gpencil */
else if (ob->type == OB_GPENCIL) {
BKE_gpencil_material_index_reassign((bGPdata *)ob->data, ob->totcol, actcol - 1);
}
return true;
}
static bNode *nodetree_uv_node_recursive(bNode *node)
{
bNode *inode;
bNodeSocket *sock;
for (sock = node->inputs.first; sock; sock = sock->next) {
if (sock->link) {
inode = sock->link->fromnode;
if (inode->typeinfo->nclass == NODE_CLASS_INPUT && inode->typeinfo->type == SH_NODE_UVMAP) {
return inode;
}
else {
return nodetree_uv_node_recursive(inode);
}
}
}
return NULL;
}
typedef bool (*ForEachTexNodeCallback)(bNode *node, void *userdata);
static bool ntree_foreach_texnode_recursive(bNodeTree *nodetree,
ForEachTexNodeCallback callback,
void *userdata)
{
for (bNode *node = nodetree->nodes.first; node; node = node->next) {
if (node->typeinfo->nclass == NODE_CLASS_TEXTURE &&
node->typeinfo->type == SH_NODE_TEX_IMAGE && node->id) {
if (!callback(node, userdata)) {
return false;
}
}
else if (ELEM(node->type, NODE_GROUP, NODE_CUSTOM_GROUP) && node->id) {
/* recurse into the node group and see if it contains any textures */
if (!ntree_foreach_texnode_recursive((bNodeTree *)node->id, callback, userdata)) {
return false;
}
}
}
return true;
}
static bool count_texture_nodes_cb(bNode *UNUSED(node), void *userdata)
{
(*((int *)userdata))++;
return true;
}
static int count_texture_nodes_recursive(bNodeTree *nodetree)
{
int tex_nodes = 0;
ntree_foreach_texnode_recursive(nodetree, count_texture_nodes_cb, &tex_nodes);
return tex_nodes;
}
struct FillTexPaintSlotsData {
bNode *active_node;
Material *ma;
int index;
int slot_len;
};
static bool fill_texpaint_slots_cb(bNode *node, void *userdata)
{
struct FillTexPaintSlotsData *fill_data = userdata;
Material *ma = fill_data->ma;
int index = fill_data->index;
fill_data->index++;
if (fill_data->active_node == node) {
ma->paint_active_slot = index;
}
ma->texpaintslot[index].ima = (Image *)node->id;
ma->texpaintslot[index].interp = ((NodeTexImage *)node->storage)->interpolation;
/* for new renderer, we need to traverse the treeback in search of a UV node */
bNode *uvnode = nodetree_uv_node_recursive(node);
if (uvnode) {
NodeShaderUVMap *storage = (NodeShaderUVMap *)uvnode->storage;
ma->texpaintslot[index].uvname = storage->uv_map;
/* set a value to index so UI knows that we have a valid pointer for the mesh */
ma->texpaintslot[index].valid = true;
}
else {
/* just invalidate the index here so UV map does not get displayed on the UI */
ma->texpaintslot[index].valid = false;
}
return fill_data->index != fill_data->slot_len;
}
static void fill_texpaint_slots_recursive(bNodeTree *nodetree,
bNode *active_node,
Material *ma,
int slot_len)
{
struct FillTexPaintSlotsData fill_data = {active_node, ma, 0, slot_len};
ntree_foreach_texnode_recursive(nodetree, fill_texpaint_slots_cb, &fill_data);
}
void BKE_texpaint_slot_refresh_cache(Scene *scene, Material *ma)
{
int count = 0;
if (!ma) {
return;
}
/* COW needed when adding texture slot on an object with no materials. */
DEG_id_tag_update(&ma->id, ID_RECALC_SHADING | ID_RECALC_COPY_ON_WRITE);
if (ma->texpaintslot) {
MEM_freeN(ma->texpaintslot);
ma->tot_slots = 0;
ma->texpaintslot = NULL;
}
if (scene->toolsettings->imapaint.mode == IMAGEPAINT_MODE_IMAGE) {
ma->paint_active_slot = 0;
ma->paint_clone_slot = 0;
return;
}
if (!(ma->nodetree)) {
ma->paint_active_slot = 0;
ma->paint_clone_slot = 0;
return;
}
count = count_texture_nodes_recursive(ma->nodetree);
if (count == 0) {
ma->paint_active_slot = 0;
ma->paint_clone_slot = 0;
return;
}
ma->texpaintslot = MEM_callocN(sizeof(*ma->texpaintslot) * count, "texpaint_slots");
bNode *active_node = nodeGetActiveTexture(ma->nodetree);
fill_texpaint_slots_recursive(ma->nodetree, active_node, ma, count);
ma->tot_slots = count;
if (ma->paint_active_slot >= count) {
ma->paint_active_slot = count - 1;
}
if (ma->paint_clone_slot >= count) {
ma->paint_clone_slot = count - 1;
}
return;
}
void BKE_texpaint_slots_refresh_object(Scene *scene, struct Object *ob)
{
int i;
for (i = 1; i < ob->totcol + 1; i++) {
Material *ma = give_current_material(ob, i);
BKE_texpaint_slot_refresh_cache(scene, ma);
}
}
struct FindTexPaintNodeData {
bNode *node;
short iter_index;
short index;
};
static bool texpaint_slot_node_find_cb(bNode *node, void *userdata)
{
struct FindTexPaintNodeData *find_data = userdata;
if (find_data->iter_index++ == find_data->index) {
find_data->node = node;
return false;
}
return true;
}
bNode *BKE_texpaint_slot_material_find_node(Material *ma, short texpaint_slot)
{
struct FindTexPaintNodeData find_data = {NULL, 0, texpaint_slot};
ntree_foreach_texnode_recursive(ma->nodetree, texpaint_slot_node_find_cb, &find_data);
return find_data.node;
}
/* r_col = current value, col = new value, (fac == 0) is no change */
void ramp_blend(int type, float r_col[3], const float fac, const float col[3])
{
float tmp, facm = 1.0f - fac;
switch (type) {
case MA_RAMP_BLEND:
r_col[0] = facm * (r_col[0]) + fac * col[0];
r_col[1] = facm * (r_col[1]) + fac * col[1];
r_col[2] = facm * (r_col[2]) + fac * col[2];
break;
case MA_RAMP_ADD:
r_col[0] += fac * col[0];
r_col[1] += fac * col[1];
r_col[2] += fac * col[2];
break;
case MA_RAMP_MULT:
r_col[0] *= (facm + fac * col[0]);
r_col[1] *= (facm + fac * col[1]);
r_col[2] *= (facm + fac * col[2]);
break;
case MA_RAMP_SCREEN:
r_col[0] = 1.0f - (facm + fac * (1.0f - col[0])) * (1.0f - r_col[0]);
r_col[1] = 1.0f - (facm + fac * (1.0f - col[1])) * (1.0f - r_col[1]);
r_col[2] = 1.0f - (facm + fac * (1.0f - col[2])) * (1.0f - r_col[2]);
break;
case MA_RAMP_OVERLAY:
if (r_col[0] < 0.5f) {
r_col[0] *= (facm + 2.0f * fac * col[0]);
}
else {
r_col[0] = 1.0f - (facm + 2.0f * fac * (1.0f - col[0])) * (1.0f - r_col[0]);
}
if (r_col[1] < 0.5f) {
r_col[1] *= (facm + 2.0f * fac * col[1]);
}
else {
r_col[1] = 1.0f - (facm + 2.0f * fac * (1.0f - col[1])) * (1.0f - r_col[1]);
}
if (r_col[2] < 0.5f) {
r_col[2] *= (facm + 2.0f * fac * col[2]);
}
else {
r_col[2] = 1.0f - (facm + 2.0f * fac * (1.0f - col[2])) * (1.0f - r_col[2]);
}
break;
case MA_RAMP_SUB:
r_col[0] -= fac * col[0];
r_col[1] -= fac * col[1];
r_col[2] -= fac * col[2];
break;
case MA_RAMP_DIV:
if (col[0] != 0.0f) {
r_col[0] = facm * (r_col[0]) + fac * (r_col[0]) / col[0];
}
if (col[1] != 0.0f) {
r_col[1] = facm * (r_col[1]) + fac * (r_col[1]) / col[1];
}
if (col[2] != 0.0f) {
r_col[2] = facm * (r_col[2]) + fac * (r_col[2]) / col[2];
}
break;
case MA_RAMP_DIFF:
r_col[0] = facm * (r_col[0]) + fac * fabsf(r_col[0] - col[0]);
r_col[1] = facm * (r_col[1]) + fac * fabsf(r_col[1] - col[1]);
r_col[2] = facm * (r_col[2]) + fac * fabsf(r_col[2] - col[2]);
break;
case MA_RAMP_DARK:
r_col[0] = min_ff(r_col[0], col[0]) * fac + r_col[0] * facm;
r_col[1] = min_ff(r_col[1], col[1]) * fac + r_col[1] * facm;
r_col[2] = min_ff(r_col[2], col[2]) * fac + r_col[2] * facm;
break;
case MA_RAMP_LIGHT:
tmp = fac * col[0];
if (tmp > r_col[0]) {
r_col[0] = tmp;
}
tmp = fac * col[1];
if (tmp > r_col[1]) {
r_col[1] = tmp;
}
tmp = fac * col[2];
if (tmp > r_col[2]) {
r_col[2] = tmp;
}
break;
case MA_RAMP_DODGE:
if (r_col[0] != 0.0f) {
tmp = 1.0f - fac * col[0];
if (tmp <= 0.0f) {
r_col[0] = 1.0f;
}
else if ((tmp = (r_col[0]) / tmp) > 1.0f) {
r_col[0] = 1.0f;
}
else {
r_col[0] = tmp;
}
}
if (r_col[1] != 0.0f) {
tmp = 1.0f - fac * col[1];
if (tmp <= 0.0f) {
r_col[1] = 1.0f;
}
else if ((tmp = (r_col[1]) / tmp) > 1.0f) {
r_col[1] = 1.0f;
}
else {
r_col[1] = tmp;
}
}
if (r_col[2] != 0.0f) {
tmp = 1.0f - fac * col[2];
if (tmp <= 0.0f) {
r_col[2] = 1.0f;
}
else if ((tmp = (r_col[2]) / tmp) > 1.0f) {
r_col[2] = 1.0f;
}
else {
r_col[2] = tmp;
}
}
break;
case MA_RAMP_BURN:
tmp = facm + fac * col[0];
if (tmp <= 0.0f) {
r_col[0] = 0.0f;
}
else if ((tmp = (1.0f - (1.0f - (r_col[0])) / tmp)) < 0.0f) {
r_col[0] = 0.0f;
}
else if (tmp > 1.0f) {
r_col[0] = 1.0f;
}
else {
r_col[0] = tmp;
}
tmp = facm + fac * col[1];
if (tmp <= 0.0f) {
r_col[1] = 0.0f;
}
else if ((tmp = (1.0f - (1.0f - (r_col[1])) / tmp)) < 0.0f) {
r_col[1] = 0.0f;
}
else if (tmp > 1.0f) {
r_col[1] = 1.0f;
}
else {
r_col[1] = tmp;
}
tmp = facm + fac * col[2];
if (tmp <= 0.0f) {
r_col[2] = 0.0f;
}
else if ((tmp = (1.0f - (1.0f - (r_col[2])) / tmp)) < 0.0f) {
r_col[2] = 0.0f;
}
else if (tmp > 1.0f) {
r_col[2] = 1.0f;
}
else {
r_col[2] = tmp;
}
break;
case MA_RAMP_HUE: {
float rH, rS, rV;
float colH, colS, colV;
float tmpr, tmpg, tmpb;
rgb_to_hsv(col[0], col[1], col[2], &colH, &colS, &colV);
if (colS != 0) {
rgb_to_hsv(r_col[0], r_col[1], r_col[2], &rH, &rS, &rV);
hsv_to_rgb(colH, rS, rV, &tmpr, &tmpg, &tmpb);
r_col[0] = facm * (r_col[0]) + fac * tmpr;
r_col[1] = facm * (r_col[1]) + fac * tmpg;
r_col[2] = facm * (r_col[2]) + fac * tmpb;
}
break;
}
case MA_RAMP_SAT: {
float rH, rS, rV;
float colH, colS, colV;
rgb_to_hsv(r_col[0], r_col[1], r_col[2], &rH, &rS, &rV);
if (rS != 0) {
rgb_to_hsv(col[0], col[1], col[2], &colH, &colS, &colV);
hsv_to_rgb(rH, (facm * rS + fac * colS), rV, r_col + 0, r_col + 1, r_col + 2);
}
break;
}
case MA_RAMP_VAL: {
float rH, rS, rV;
float colH, colS, colV;
rgb_to_hsv(r_col[0], r_col[1], r_col[2], &rH, &rS, &rV);
rgb_to_hsv(col[0], col[1], col[2], &colH, &colS, &colV);
hsv_to_rgb(rH, rS, (facm * rV + fac * colV), r_col + 0, r_col + 1, r_col + 2);
break;
}
case MA_RAMP_COLOR: {
float rH, rS, rV;
float colH, colS, colV;
float tmpr, tmpg, tmpb;
rgb_to_hsv(col[0], col[1], col[2], &colH, &colS, &colV);
if (colS != 0) {
rgb_to_hsv(r_col[0], r_col[1], r_col[2], &rH, &rS, &rV);
hsv_to_rgb(colH, colS, rV, &tmpr, &tmpg, &tmpb);
r_col[0] = facm * (r_col[0]) + fac * tmpr;
r_col[1] = facm * (r_col[1]) + fac * tmpg;
r_col[2] = facm * (r_col[2]) + fac * tmpb;
}
break;
}
case MA_RAMP_SOFT: {
float scr, scg, scb;
/* first calculate non-fac based Screen mix */
scr = 1.0f - (1.0f - col[0]) * (1.0f - r_col[0]);
scg = 1.0f - (1.0f - col[1]) * (1.0f - r_col[1]);
scb = 1.0f - (1.0f - col[2]) * (1.0f - r_col[2]);
r_col[0] = facm * (r_col[0]) +
fac * (((1.0f - r_col[0]) * col[0] * (r_col[0])) + (r_col[0] * scr));
r_col[1] = facm * (r_col[1]) +
fac * (((1.0f - r_col[1]) * col[1] * (r_col[1])) + (r_col[1] * scg));
r_col[2] = facm * (r_col[2]) +
fac * (((1.0f - r_col[2]) * col[2] * (r_col[2])) + (r_col[2] * scb));
break;
}
case MA_RAMP_LINEAR:
if (col[0] > 0.5f) {
r_col[0] = r_col[0] + fac * (2.0f * (col[0] - 0.5f));
}
else {
r_col[0] = r_col[0] + fac * (2.0f * (col[0]) - 1.0f);
}
if (col[1] > 0.5f) {
r_col[1] = r_col[1] + fac * (2.0f * (col[1] - 0.5f));
}
else {
r_col[1] = r_col[1] + fac * (2.0f * (col[1]) - 1.0f);
}
if (col[2] > 0.5f) {
r_col[2] = r_col[2] + fac * (2.0f * (col[2] - 0.5f));
}
else {
r_col[2] = r_col[2] + fac * (2.0f * (col[2]) - 1.0f);
}
break;
}
}
/**
* \brief copy/paste buffer, if we had a proper py api that would be better
* \note matcopybuf.nodetree does _NOT_ use ID's
* \todo matcopybuf.nodetree's node->id's are NOT validated, this will crash!
*/
static Material matcopybuf;
static short matcopied = 0;
void clear_matcopybuf(void)
{
memset(&matcopybuf, 0, sizeof(Material));
matcopied = 0;
}
void free_matcopybuf(void)
{
if (matcopybuf.nodetree) {
ntreeFreeLocalTree(matcopybuf.nodetree);
MEM_freeN(matcopybuf.nodetree);
matcopybuf.nodetree = NULL;
}
matcopied = 0;
}
void copy_matcopybuf(Main *bmain, Material *ma)
{
if (matcopied) {
free_matcopybuf();
}
memcpy(&matcopybuf, ma, sizeof(Material));
if (ma->nodetree != NULL) {
matcopybuf.nodetree = ntreeCopyTree_ex(ma->nodetree, bmain, false);
}
matcopybuf.preview = NULL;
BLI_listbase_clear(&matcopybuf.gpumaterial);
/* TODO Duplicate Engine Settings and set runtime to NULL */
matcopied = 1;
}
void paste_matcopybuf(Main *bmain, Material *ma)
{
ID id;
if (matcopied == 0) {
return;
}
/* Free gpu material before the ntree */
GPU_material_free(&ma->gpumaterial);
if (ma->nodetree) {
ntreeFreeNestedTree(ma->nodetree);
MEM_freeN(ma->nodetree);
}
id = (ma->id);
memcpy(ma, &matcopybuf, sizeof(Material));
(ma->id) = id;
if (matcopybuf.nodetree != NULL) {
ma->nodetree = ntreeCopyTree_ex(matcopybuf.nodetree, bmain, false);
}
}
void BKE_material_eval(struct Depsgraph *depsgraph, Material *material)
{
DEG_debug_print_eval(depsgraph, __func__, material->id.name, material);
GPU_material_free(&material->gpumaterial);
}