727 lines
18 KiB
C
727 lines
18 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*/
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/** \file
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* \ingroup bke
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*/
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#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "MEM_guardedalloc.h"
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#include "BLI_kdopbvh.h"
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#include "BLI_listbase.h"
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#include "BLI_math.h"
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#include "BLI_math_color.h"
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#include "BLI_utildefines.h"
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#include "BLT_translation.h"
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#include "DNA_brush_types.h"
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#include "DNA_color_types.h"
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#include "DNA_defaults.h"
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#include "DNA_key_types.h"
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#include "DNA_linestyle_types.h"
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#include "DNA_material_types.h"
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#include "DNA_node_types.h"
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#include "DNA_object_types.h"
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#include "DNA_particle_types.h"
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#include "IMB_imbuf.h"
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#include "BKE_main.h"
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#include "BKE_colorband.h"
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#include "BKE_colortools.h"
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#include "BKE_icons.h"
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#include "BKE_idtype.h"
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#include "BKE_image.h"
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#include "BKE_key.h"
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#include "BKE_lib_id.h"
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#include "BKE_material.h"
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#include "BKE_node.h"
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#include "BKE_scene.h"
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#include "BKE_texture.h"
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#include "RE_shader_ext.h"
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static void texture_init_data(ID *id)
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{
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Tex *texture = (Tex *)id;
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BLI_assert(MEMCMP_STRUCT_AFTER_IS_ZERO(texture, id));
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MEMCPY_STRUCT_AFTER(texture, DNA_struct_default_get(Tex), id);
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BKE_imageuser_default(&texture->iuser);
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}
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static void texture_copy_data(Main *bmain, ID *id_dst, const ID *id_src, const int flag)
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{
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Tex *texture_dst = (Tex *)id_dst;
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const Tex *texture_src = (const Tex *)id_src;
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/* We always need allocation of our private ID data. */
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const int flag_private_id_data = flag & ~LIB_ID_CREATE_NO_ALLOCATE;
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if (!BKE_texture_is_image_user(texture_src)) {
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texture_dst->ima = NULL;
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}
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if (texture_dst->coba) {
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texture_dst->coba = MEM_dupallocN(texture_dst->coba);
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}
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if (texture_src->nodetree) {
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if (texture_src->nodetree->execdata) {
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ntreeTexEndExecTree(texture_src->nodetree->execdata);
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}
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BKE_id_copy_ex(
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bmain, (ID *)texture_src->nodetree, (ID **)&texture_dst->nodetree, flag_private_id_data);
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}
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if ((flag & LIB_ID_COPY_NO_PREVIEW) == 0) {
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BKE_previewimg_id_copy(&texture_dst->id, &texture_src->id);
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}
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else {
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texture_dst->preview = NULL;
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}
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}
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static void texture_free_data(ID *id)
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{
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Tex *texture = (Tex *)id;
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/* is no lib link block, but texture extension */
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if (texture->nodetree) {
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ntreeFreeEmbeddedTree(texture->nodetree);
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MEM_freeN(texture->nodetree);
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texture->nodetree = NULL;
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}
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MEM_SAFE_FREE(texture->coba);
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BKE_icon_id_delete((ID *)texture);
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BKE_previewimg_free(&texture->preview);
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}
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IDTypeInfo IDType_ID_TE = {
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.id_code = ID_TE,
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.id_filter = FILTER_ID_TE,
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.main_listbase_index = INDEX_ID_TE,
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.struct_size = sizeof(Tex),
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.name = "Texture",
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.name_plural = "textures",
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.translation_context = BLT_I18NCONTEXT_ID_TEXTURE,
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.flags = 0,
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.init_data = texture_init_data,
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.copy_data = texture_copy_data,
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.free_data = texture_free_data,
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.make_local = NULL,
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};
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/* ****************** Mapping ******************* */
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TexMapping *BKE_texture_mapping_add(int type)
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{
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TexMapping *texmap = MEM_callocN(sizeof(TexMapping), "TexMapping");
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BKE_texture_mapping_default(texmap, type);
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return texmap;
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}
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void BKE_texture_mapping_default(TexMapping *texmap, int type)
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{
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memset(texmap, 0, sizeof(TexMapping));
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texmap->size[0] = texmap->size[1] = texmap->size[2] = 1.0f;
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texmap->max[0] = texmap->max[1] = texmap->max[2] = 1.0f;
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unit_m4(texmap->mat);
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texmap->projx = PROJ_X;
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texmap->projy = PROJ_Y;
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texmap->projz = PROJ_Z;
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texmap->mapping = MTEX_FLAT;
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texmap->type = type;
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}
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void BKE_texture_mapping_init(TexMapping *texmap)
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{
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float smat[4][4], rmat[4][4], tmat[4][4], proj[4][4], size[3];
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if (texmap->projx == PROJ_X && texmap->projy == PROJ_Y && texmap->projz == PROJ_Z &&
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is_zero_v3(texmap->loc) && is_zero_v3(texmap->rot) && is_one_v3(texmap->size)) {
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unit_m4(texmap->mat);
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texmap->flag |= TEXMAP_UNIT_MATRIX;
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}
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else {
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/* axis projection */
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zero_m4(proj);
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proj[3][3] = 1.0f;
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if (texmap->projx != PROJ_N) {
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proj[texmap->projx - 1][0] = 1.0f;
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}
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if (texmap->projy != PROJ_N) {
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proj[texmap->projy - 1][1] = 1.0f;
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}
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if (texmap->projz != PROJ_N) {
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proj[texmap->projz - 1][2] = 1.0f;
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}
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/* scale */
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copy_v3_v3(size, texmap->size);
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if (ELEM(texmap->type, TEXMAP_TYPE_TEXTURE, TEXMAP_TYPE_NORMAL)) {
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/* keep matrix invertible */
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if (fabsf(size[0]) < 1e-5f) {
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size[0] = signf(size[0]) * 1e-5f;
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}
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if (fabsf(size[1]) < 1e-5f) {
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size[1] = signf(size[1]) * 1e-5f;
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}
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if (fabsf(size[2]) < 1e-5f) {
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size[2] = signf(size[2]) * 1e-5f;
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}
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}
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size_to_mat4(smat, texmap->size);
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/* rotation */
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eul_to_mat4(rmat, texmap->rot);
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/* translation */
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unit_m4(tmat);
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copy_v3_v3(tmat[3], texmap->loc);
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if (texmap->type == TEXMAP_TYPE_TEXTURE) {
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/* to transform a texture, the inverse transform needs
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* to be applied to the texture coordinate */
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mul_m4_series(texmap->mat, tmat, rmat, smat);
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invert_m4(texmap->mat);
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}
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else if (texmap->type == TEXMAP_TYPE_POINT) {
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/* forward transform */
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mul_m4_series(texmap->mat, tmat, rmat, smat);
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}
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else if (texmap->type == TEXMAP_TYPE_VECTOR) {
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/* no translation for vectors */
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mul_m4_m4m4(texmap->mat, rmat, smat);
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}
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else if (texmap->type == TEXMAP_TYPE_NORMAL) {
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/* no translation for normals, and inverse transpose */
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mul_m4_m4m4(texmap->mat, rmat, smat);
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invert_m4(texmap->mat);
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transpose_m4(texmap->mat);
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}
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/* projection last */
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mul_m4_m4m4(texmap->mat, texmap->mat, proj);
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texmap->flag &= ~TEXMAP_UNIT_MATRIX;
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}
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}
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ColorMapping *BKE_texture_colormapping_add(void)
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{
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ColorMapping *colormap = MEM_callocN(sizeof(ColorMapping), "ColorMapping");
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BKE_texture_colormapping_default(colormap);
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return colormap;
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}
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void BKE_texture_colormapping_default(ColorMapping *colormap)
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{
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memset(colormap, 0, sizeof(ColorMapping));
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BKE_colorband_init(&colormap->coba, true);
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colormap->bright = 1.0;
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colormap->contrast = 1.0;
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colormap->saturation = 1.0;
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colormap->blend_color[0] = 0.8f;
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colormap->blend_color[1] = 0.8f;
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colormap->blend_color[2] = 0.8f;
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colormap->blend_type = MA_RAMP_BLEND;
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colormap->blend_factor = 0.0f;
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}
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/* ******************* TEX ************************ */
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/* ------------------------------------------------------------------------- */
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void BKE_texture_default(Tex *tex)
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{
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texture_init_data(&tex->id);
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}
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void BKE_texture_type_set(Tex *tex, int type)
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{
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tex->type = type;
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}
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/* ------------------------------------------------------------------------- */
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Tex *BKE_texture_add(Main *bmain, const char *name)
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{
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Tex *tex;
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tex = BKE_libblock_alloc(bmain, ID_TE, name, 0);
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texture_init_data(&tex->id);
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return tex;
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}
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/* ------------------------------------------------------------------------- */
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void BKE_texture_mtex_default(MTex *mtex)
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{
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memcpy(mtex, DNA_struct_default_get(MTex), sizeof(*mtex));
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}
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/* ------------------------------------------------------------------------- */
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MTex *BKE_texture_mtex_add(void)
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{
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MTex *mtex;
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mtex = MEM_callocN(sizeof(MTex), "BKE_texture_mtex_add");
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BKE_texture_mtex_default(mtex);
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return mtex;
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}
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/* slot -1 for first free ID */
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MTex *BKE_texture_mtex_add_id(ID *id, int slot)
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{
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MTex **mtex_ar;
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short act;
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give_active_mtex(id, &mtex_ar, &act);
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if (mtex_ar == NULL) {
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return NULL;
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}
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if (slot == -1) {
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/* find first free */
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int i;
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for (i = 0; i < MAX_MTEX; i++) {
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if (!mtex_ar[i]) {
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slot = i;
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break;
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}
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}
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if (slot == -1) {
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return NULL;
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}
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}
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else {
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/* make sure slot is valid */
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if (slot < 0 || slot >= MAX_MTEX) {
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return NULL;
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}
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}
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if (mtex_ar[slot]) {
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id_us_min((ID *)mtex_ar[slot]->tex);
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MEM_freeN(mtex_ar[slot]);
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mtex_ar[slot] = NULL;
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}
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mtex_ar[slot] = BKE_texture_mtex_add();
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return mtex_ar[slot];
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}
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/* ------------------------------------------------------------------------- */
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Tex *BKE_texture_copy(Main *bmain, const Tex *tex)
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{
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Tex *tex_copy;
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BKE_id_copy(bmain, &tex->id, (ID **)&tex_copy);
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return tex_copy;
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}
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/* texture copy without adding to main dbase */
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Tex *BKE_texture_localize(Tex *tex)
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{
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/* TODO(bastien): Replace with something like:
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*
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* Tex *tex_copy;
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* BKE_id_copy_ex(bmain, &tex->id, (ID **)&tex_copy,
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* LIB_ID_COPY_NO_MAIN | LIB_ID_COPY_NO_PREVIEW | LIB_ID_COPY_NO_USER_REFCOUNT,
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* false);
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* return tex_copy;
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*
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* NOTE: Only possible once nested node trees are fully converted to that too. */
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Tex *texn;
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texn = BKE_libblock_copy_for_localize(&tex->id);
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/* image texture: texture_free_data also doesn't decrease */
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if (texn->coba) {
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texn->coba = MEM_dupallocN(texn->coba);
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}
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texn->preview = NULL;
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if (tex->nodetree) {
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texn->nodetree = ntreeLocalize(tex->nodetree);
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}
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texn->id.tag |= LIB_TAG_LOCALIZED;
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return texn;
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}
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/* ------------------------------------------------------------------------- */
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Tex *give_current_linestyle_texture(FreestyleLineStyle *linestyle)
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{
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MTex *mtex = NULL;
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Tex *tex = NULL;
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if (linestyle) {
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mtex = linestyle->mtex[(int)(linestyle->texact)];
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if (mtex) {
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tex = mtex->tex;
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}
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}
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return tex;
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}
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void set_current_linestyle_texture(FreestyleLineStyle *linestyle, Tex *newtex)
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{
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int act = linestyle->texact;
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if (linestyle->mtex[act] && linestyle->mtex[act]->tex) {
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id_us_min(&linestyle->mtex[act]->tex->id);
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}
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if (newtex) {
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if (!linestyle->mtex[act]) {
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linestyle->mtex[act] = BKE_texture_mtex_add();
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linestyle->mtex[act]->texco = TEXCO_STROKE;
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}
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linestyle->mtex[act]->tex = newtex;
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id_us_plus(&newtex->id);
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}
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else if (linestyle->mtex[act]) {
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MEM_freeN(linestyle->mtex[act]);
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linestyle->mtex[act] = NULL;
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}
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}
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bool give_active_mtex(ID *id, MTex ***mtex_ar, short *act)
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{
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switch (GS(id->name)) {
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case ID_LS:
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*mtex_ar = ((FreestyleLineStyle *)id)->mtex;
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if (act) {
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*act = (((FreestyleLineStyle *)id)->texact);
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}
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break;
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case ID_PA:
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*mtex_ar = ((ParticleSettings *)id)->mtex;
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if (act) {
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*act = (((ParticleSettings *)id)->texact);
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}
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break;
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default:
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*mtex_ar = NULL;
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if (act) {
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*act = 0;
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}
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return false;
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}
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return true;
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}
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void set_active_mtex(ID *id, short act)
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{
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if (act < 0) {
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act = 0;
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}
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else if (act >= MAX_MTEX) {
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act = MAX_MTEX - 1;
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}
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switch (GS(id->name)) {
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case ID_LS:
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((FreestyleLineStyle *)id)->texact = act;
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break;
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case ID_PA:
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((ParticleSettings *)id)->texact = act;
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break;
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default:
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break;
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}
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}
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Tex *give_current_brush_texture(Brush *br)
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{
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return br->mtex.tex;
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}
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void set_current_brush_texture(Brush *br, Tex *newtex)
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{
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if (br->mtex.tex) {
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id_us_min(&br->mtex.tex->id);
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}
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if (newtex) {
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br->mtex.tex = newtex;
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id_us_plus(&newtex->id);
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}
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}
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Tex *give_current_particle_texture(ParticleSettings *part)
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{
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MTex *mtex = NULL;
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Tex *tex = NULL;
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if (!part) {
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return NULL;
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}
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mtex = part->mtex[(int)(part->texact)];
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if (mtex) {
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tex = mtex->tex;
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}
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return tex;
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}
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void set_current_particle_texture(ParticleSettings *part, Tex *newtex)
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{
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int act = part->texact;
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if (part->mtex[act] && part->mtex[act]->tex) {
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id_us_min(&part->mtex[act]->tex->id);
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}
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if (newtex) {
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if (!part->mtex[act]) {
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part->mtex[act] = BKE_texture_mtex_add();
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part->mtex[act]->texco = TEXCO_ORCO;
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part->mtex[act]->blendtype = MTEX_MUL;
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}
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part->mtex[act]->tex = newtex;
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id_us_plus(&newtex->id);
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}
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else if (part->mtex[act]) {
|
|
MEM_freeN(part->mtex[act]);
|
|
part->mtex[act] = NULL;
|
|
}
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
void BKE_texture_pointdensity_init_data(PointDensity *pd)
|
|
{
|
|
pd->flag = 0;
|
|
pd->radius = 0.3f;
|
|
pd->falloff_type = TEX_PD_FALLOFF_STD;
|
|
pd->falloff_softness = 2.0;
|
|
pd->source = TEX_PD_PSYS;
|
|
pd->point_tree = NULL;
|
|
pd->point_data = NULL;
|
|
pd->noise_size = 0.5f;
|
|
pd->noise_depth = 1;
|
|
pd->noise_fac = 1.0f;
|
|
pd->noise_influence = TEX_PD_NOISE_STATIC;
|
|
pd->coba = BKE_colorband_add(true);
|
|
pd->speed_scale = 1.0f;
|
|
pd->totpoints = 0;
|
|
pd->object = NULL;
|
|
pd->psys = 0;
|
|
pd->psys_cache_space = TEX_PD_WORLDSPACE;
|
|
pd->falloff_curve = BKE_curvemapping_add(1, 0, 0, 1, 1);
|
|
|
|
pd->falloff_curve->preset = CURVE_PRESET_LINE;
|
|
pd->falloff_curve->flag &= ~CUMA_EXTEND_EXTRAPOLATE;
|
|
BKE_curvemap_reset(pd->falloff_curve->cm,
|
|
&pd->falloff_curve->clipr,
|
|
pd->falloff_curve->preset,
|
|
CURVEMAP_SLOPE_POSITIVE);
|
|
BKE_curvemapping_changed(pd->falloff_curve, false);
|
|
}
|
|
|
|
PointDensity *BKE_texture_pointdensity_add(void)
|
|
{
|
|
PointDensity *pd = MEM_callocN(sizeof(PointDensity), "pointdensity");
|
|
BKE_texture_pointdensity_init_data(pd);
|
|
return pd;
|
|
}
|
|
|
|
PointDensity *BKE_texture_pointdensity_copy(const PointDensity *pd, const int UNUSED(flag))
|
|
{
|
|
PointDensity *pdn;
|
|
|
|
pdn = MEM_dupallocN(pd);
|
|
pdn->point_tree = NULL;
|
|
pdn->point_data = NULL;
|
|
if (pdn->coba) {
|
|
pdn->coba = MEM_dupallocN(pdn->coba);
|
|
}
|
|
pdn->falloff_curve = BKE_curvemapping_copy(pdn->falloff_curve); /* can be NULL */
|
|
return pdn;
|
|
}
|
|
|
|
void BKE_texture_pointdensity_free_data(PointDensity *pd)
|
|
{
|
|
if (pd->point_tree) {
|
|
BLI_bvhtree_free(pd->point_tree);
|
|
pd->point_tree = NULL;
|
|
}
|
|
if (pd->point_data) {
|
|
MEM_freeN(pd->point_data);
|
|
pd->point_data = NULL;
|
|
}
|
|
if (pd->coba) {
|
|
MEM_freeN(pd->coba);
|
|
pd->coba = NULL;
|
|
}
|
|
|
|
BKE_curvemapping_free(pd->falloff_curve); /* can be NULL */
|
|
}
|
|
|
|
void BKE_texture_pointdensity_free(PointDensity *pd)
|
|
{
|
|
BKE_texture_pointdensity_free_data(pd);
|
|
MEM_freeN(pd);
|
|
}
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
/**
|
|
* \returns true if this texture can use its #Texture.ima (even if its NULL)
|
|
*/
|
|
bool BKE_texture_is_image_user(const struct Tex *tex)
|
|
{
|
|
switch (tex->type) {
|
|
case TEX_IMAGE: {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
bool BKE_texture_dependsOnTime(const struct Tex *texture)
|
|
{
|
|
if (texture->ima && BKE_image_is_animated(texture->ima)) {
|
|
return true;
|
|
}
|
|
else if (texture->adt) {
|
|
/* assume anything in adt means the texture is animated */
|
|
return true;
|
|
}
|
|
else if (texture->type == TEX_NOISE) {
|
|
/* noise always varies with time */
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
void BKE_texture_get_value_ex(const Scene *scene,
|
|
Tex *texture,
|
|
float *tex_co,
|
|
TexResult *texres,
|
|
struct ImagePool *pool,
|
|
bool use_color_management)
|
|
{
|
|
int result_type;
|
|
bool do_color_manage = false;
|
|
|
|
if (scene && use_color_management) {
|
|
do_color_manage = BKE_scene_check_color_management_enabled(scene);
|
|
}
|
|
|
|
/* no node textures for now */
|
|
result_type = multitex_ext_safe(texture, tex_co, texres, pool, do_color_manage, false);
|
|
|
|
/* if the texture gave an RGB value, we assume it didn't give a valid
|
|
* intensity, since this is in the context of modifiers don't use perceptual color conversion.
|
|
* if the texture didn't give an RGB value, copy the intensity across
|
|
*/
|
|
if (result_type & TEX_RGB) {
|
|
texres->tin = (1.0f / 3.0f) * (texres->tr + texres->tg + texres->tb);
|
|
}
|
|
else {
|
|
copy_v3_fl(&texres->tr, texres->tin);
|
|
}
|
|
}
|
|
|
|
void BKE_texture_get_value(
|
|
const Scene *scene, Tex *texture, float *tex_co, TexResult *texres, bool use_color_management)
|
|
{
|
|
BKE_texture_get_value_ex(scene, texture, tex_co, texres, NULL, use_color_management);
|
|
}
|
|
|
|
static void texture_nodes_fetch_images_for_pool(Tex *texture,
|
|
bNodeTree *ntree,
|
|
struct ImagePool *pool)
|
|
{
|
|
LISTBASE_FOREACH (bNode *, node, &ntree->nodes) {
|
|
if (node->type == SH_NODE_TEX_IMAGE && node->id != NULL) {
|
|
Image *image = (Image *)node->id;
|
|
BKE_image_pool_acquire_ibuf(image, &texture->iuser, pool);
|
|
}
|
|
else if (node->type == NODE_GROUP && node->id != NULL) {
|
|
/* TODO(sergey): Do we need to control recursion here? */
|
|
bNodeTree *nested_tree = (bNodeTree *)node->id;
|
|
texture_nodes_fetch_images_for_pool(texture, nested_tree, pool);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Make sure all images used by texture are loaded into pool. */
|
|
void BKE_texture_fetch_images_for_pool(Tex *texture, struct ImagePool *pool)
|
|
{
|
|
if (texture->nodetree != NULL) {
|
|
texture_nodes_fetch_images_for_pool(texture, texture->nodetree, pool);
|
|
}
|
|
else {
|
|
if (texture->type == TEX_IMAGE) {
|
|
if (texture->ima != NULL) {
|
|
BKE_image_pool_acquire_ibuf(texture->ima, &texture->iuser, pool);
|
|
}
|
|
}
|
|
}
|
|
}
|