92 lines
4.1 KiB
C++
92 lines
4.1 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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#ifndef __BKE_MESH_TANGENT_H__
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#define __BKE_MESH_TANGENT_H__
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/** \file
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* \ingroup bke
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct ReportList;
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void BKE_mesh_calc_loop_tangent_single_ex(const struct MVert *mverts,
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const int numVerts,
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const struct MLoop *mloops,
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float (*r_looptangent)[4],
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float (*loopnors)[3],
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const struct MLoopUV *loopuv,
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const int numLoops,
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const struct MPoly *mpolys,
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const int numPolys,
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struct ReportList *reports);
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void BKE_mesh_calc_loop_tangent_single(struct Mesh *mesh,
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const char *uvmap,
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float (*r_looptangents)[4],
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struct ReportList *reports);
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void BKE_mesh_calc_loop_tangent_ex(const struct MVert *mvert,
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const struct MPoly *mpoly,
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const uint mpoly_len,
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const struct MLoop *mloop,
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const struct MLoopTri *looptri,
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const uint looptri_len,
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struct CustomData *loopdata,
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bool calc_active_tangent,
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const char (*tangent_names)[64],
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int tangent_names_len,
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const float (*poly_normals)[3],
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const float (*loop_normals)[3],
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const float (*vert_orco)[3],
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/* result */
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struct CustomData *loopdata_out,
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const uint loopdata_out_len,
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short *tangent_mask_curr_p);
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void BKE_mesh_calc_loop_tangents(struct Mesh *me_eval,
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bool calc_active_tangent,
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const char (*tangent_names)[MAX_NAME],
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int tangent_names_len);
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/* Helpers */
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void BKE_mesh_add_loop_tangent_named_layer_for_uv(struct CustomData *uv_data,
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struct CustomData *tan_data,
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int numLoopData,
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const char *layer_name);
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#define DM_TANGENT_MASK_ORCO (1 << 9)
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void BKE_mesh_calc_loop_tangent_step_0(const struct CustomData *loopData,
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bool calc_active_tangent,
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const char (*tangent_names)[64],
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int tangent_names_count,
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bool *rcalc_act,
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bool *rcalc_ren,
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int *ract_uv_n,
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int *rren_uv_n,
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char *ract_uv_name,
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char *rren_uv_name,
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short *rtangent_mask);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __BKE_MESH_TANGENT_H__ */
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