Campbell Barton
e12c08e8d1
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64 lines
2.2 KiB
C
64 lines
2.2 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) 2018 by Blender Foundation.
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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 "BKE_subdiv_ccg.h"
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#include "MEM_guardedalloc.h"
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#include "DNA_mesh_types.h"
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typedef struct CCGMaterialFromMeshData {
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const Mesh *mesh;
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} CCGMaterialFromMeshData;
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static DMFlagMat subdiv_ccg_material_flags_eval(
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SubdivCCGMaterialFlagsEvaluator *material_flags_evaluator, const int coarse_face_index)
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{
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CCGMaterialFromMeshData *data = (CCGMaterialFromMeshData *)material_flags_evaluator->user_data;
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const Mesh *mesh = data->mesh;
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BLI_assert(coarse_face_index < mesh->totpoly);
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const MPoly *mpoly = mesh->mpoly;
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const MPoly *poly = &mpoly[coarse_face_index];
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DMFlagMat material_flags;
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material_flags.flag = poly->flag;
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material_flags.mat_nr = poly->mat_nr;
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return material_flags;
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}
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static void subdiv_ccg_material_flags_free(
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SubdivCCGMaterialFlagsEvaluator *material_flags_evaluator)
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{
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MEM_freeN(material_flags_evaluator->user_data);
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}
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void BKE_subdiv_ccg_material_flags_init_from_mesh(
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SubdivCCGMaterialFlagsEvaluator *material_flags_evaluator, const Mesh *mesh)
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{
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CCGMaterialFromMeshData *data = MEM_mallocN(sizeof(CCGMaterialFromMeshData),
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"ccg material eval");
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data->mesh = mesh;
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material_flags_evaluator->eval_material_flags = subdiv_ccg_material_flags_eval;
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material_flags_evaluator->free = subdiv_ccg_material_flags_free;
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material_flags_evaluator->user_data = data;
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}
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