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/*
* 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) Blender Foundation
* All rights reserved.
*/
/** \file
* \ingroup bke
*/
#include "MEM_guardedalloc.h"
#include "DNA_mesh_types.h"
#include "DNA_meshdata_types.h"
#include "DNA_object_types.h"
#include "BLI_math.h"
#include "BKE_customdata.h"
#include "BKE_fluidsim.h"
#include "BKE_library.h"
#include "BKE_mesh_runtime.h"
/* ************************* fluidsim bobj file handling **************************** */
//-------------------------------------------------------------------------------
// file handling
//-------------------------------------------------------------------------------
void initElbeemMesh(struct Depsgraph *depsgraph, struct Scene *scene, struct Object *ob,
int *numVertices, float **vertices,
int *numTriangles, int **triangles,
int useGlobalCoords, int modifierIndex)
{
Mesh *mesh;
const MVert *mvert;
const MLoop *mloop;
const MLoopTri *looptri, *lt;
int i, mvert_num, looptri_num;
float *verts;
int *tris;
mesh = mesh_create_eval_final_index_render(depsgraph, scene, ob, &CD_MASK_BAREMESH, modifierIndex);
mvert = mesh->mvert;
mloop = mesh->mloop;
looptri = BKE_mesh_runtime_looptri_ensure(mesh);
mvert_num = mesh->totvert;
looptri_num = mesh->runtime.looptris.len;
*numVertices = mvert_num;
verts = MEM_mallocN(mvert_num * sizeof(float[3]), "elbeemmesh_vertices");
for (i = 0; i < mvert_num; i++) {
copy_v3_v3(&verts[i * 3], mvert[i].co);
if (useGlobalCoords) { mul_m4_v3(ob->obmat, &verts[i * 3]); }
}
*vertices = verts;
*numTriangles = looptri_num;
tris = MEM_mallocN(looptri_num * sizeof(int[3]), "elbeemmesh_triangles");
for (i = 0, lt = looptri; i < looptri_num; i++, lt++) {
tris[(i * 3) + 0] = mloop[lt->tri[0]].v;
tris[(i * 3) + 1] = mloop[lt->tri[1]].v;
tris[(i * 3) + 2] = mloop[lt->tri[2]].v;
}
*triangles = tris;
BKE_id_free(NULL, mesh);
}
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