Bastien Montagne
1097a3f70d
Useful especially for importer addons. Reviewers: campbellbarton Reviewed By: campbellbarton Differential Revision: https://developer.blender.org/D650
224 lines
8.3 KiB
C
224 lines
8.3 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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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) 2009 Blender Foundation.
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* All rights reserved.
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*
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*
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* Contributor(s): Blender Foundation
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/makesrna/intern/rna_mesh_api.c
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* \ingroup RNA
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include "RNA_define.h"
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#include "DNA_customdata_types.h"
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#include "BLI_sys_types.h"
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#include "BLI_utildefines.h"
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#include "BLI_math.h"
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#include "rna_internal.h" /* own include */
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#ifdef RNA_RUNTIME
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#include "DNA_mesh_types.h"
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#include "BKE_mesh.h"
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#include "BKE_mesh_mapping.h"
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#include "ED_mesh.h"
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static const char *rna_Mesh_unit_test_compare(struct Mesh *mesh, struct Mesh *mesh2)
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{
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const char *ret = BKE_mesh_cmp(mesh, mesh2, FLT_EPSILON * 60);
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if (!ret)
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ret = "Same";
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return ret;
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}
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static void rna_Mesh_calc_normals_split(Mesh *mesh, float min_angle)
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{
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float (*r_loopnors)[3];
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float (*polynors)[3];
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bool free_polynors = false;
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if (CustomData_has_layer(&mesh->ldata, CD_NORMAL)) {
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r_loopnors = CustomData_get_layer(&mesh->ldata, CD_NORMAL);
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memset(r_loopnors, 0, sizeof(float[3]) * mesh->totloop);
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}
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else {
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r_loopnors = CustomData_add_layer(&mesh->ldata, CD_NORMAL, CD_CALLOC, NULL, mesh->totloop);
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CustomData_set_layer_flag(&mesh->ldata, CD_NORMAL, CD_FLAG_TEMPORARY);
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}
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if (CustomData_has_layer(&mesh->pdata, CD_NORMAL)) {
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/* This assume that layer is always up to date, not sure this is the case (esp. in Edit mode?)... */
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polynors = CustomData_get_layer(&mesh->pdata, CD_NORMAL);
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free_polynors = false;
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}
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else {
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polynors = MEM_mallocN(sizeof(float[3]) * mesh->totpoly, __func__);
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BKE_mesh_calc_normals_poly(mesh->mvert, mesh->totvert, mesh->mloop, mesh->mpoly, mesh->totloop, mesh->totpoly,
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polynors, false);
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free_polynors = true;
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}
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BKE_mesh_normals_loop_split(mesh->mvert, mesh->totvert, mesh->medge, mesh->totedge,
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mesh->mloop, r_loopnors, mesh->totloop, mesh->mpoly, polynors, mesh->totpoly,
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min_angle);
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if (free_polynors) {
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MEM_freeN(polynors);
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}
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}
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static void rna_Mesh_free_normals_split(Mesh *mesh)
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{
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CustomData_free_layers(&mesh->ldata, CD_NORMAL, mesh->totloop);
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}
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static void rna_Mesh_calc_tangents(Mesh *mesh, ReportList *reports, const char *uvmap)
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{
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float (*r_looptangents)[4];
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if (CustomData_has_layer(&mesh->ldata, CD_MLOOPTANGENT)) {
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r_looptangents = CustomData_get_layer(&mesh->ldata, CD_MLOOPTANGENT);
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memset(r_looptangents, 0, sizeof(float[4]) * mesh->totloop);
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}
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else {
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r_looptangents = CustomData_add_layer(&mesh->ldata, CD_MLOOPTANGENT, CD_CALLOC, NULL, mesh->totloop);
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CustomData_set_layer_flag(&mesh->ldata, CD_MLOOPTANGENT, CD_FLAG_TEMPORARY);
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}
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/* Compute loop normals if needed. */
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if (!CustomData_has_layer(&mesh->ldata, CD_NORMAL)) {
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rna_Mesh_calc_normals_split(mesh, (float)M_PI);
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}
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BKE_mesh_loop_tangents(mesh, uvmap, r_looptangents, reports);
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}
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static void rna_Mesh_free_tangents(Mesh *mesh)
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{
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CustomData_free_layers(&mesh->ldata, CD_MLOOPTANGENT, mesh->totloop);
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}
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static void rna_Mesh_calc_smooth_groups(Mesh *mesh, int use_bitflags, int *r_poly_group_len,
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int **r_poly_group, int *r_group_total)
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{
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*r_poly_group_len = mesh->totpoly;
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*r_poly_group = BKE_mesh_calc_smoothgroups(
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mesh->medge, mesh->totedge,
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mesh->mpoly, mesh->totpoly,
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mesh->mloop, mesh->totloop,
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r_group_total, use_bitflags);
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}
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static void rna_Mesh_transform(Mesh *mesh, float *mat)
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{
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ED_mesh_transform(mesh, (float (*)[4])mat);
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}
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#else
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void RNA_api_mesh(StructRNA *srna)
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{
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FunctionRNA *func;
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PropertyRNA *parm;
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func = RNA_def_function(srna, "transform", "rna_Mesh_transform");
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RNA_def_function_ui_description(func, "Transform mesh vertices by a matrix");
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parm = RNA_def_float_matrix(func, "matrix", 4, 4, NULL, 0.0f, 0.0f, "", "Matrix", 0.0f, 0.0f);
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RNA_def_property_flag(parm, PROP_REQUIRED);
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func = RNA_def_function(srna, "calc_normals", "BKE_mesh_calc_normals");
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RNA_def_function_ui_description(func, "Calculate vertex normals");
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func = RNA_def_function(srna, "calc_normals_split", "rna_Mesh_calc_normals_split");
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RNA_def_function_ui_description(func, "Calculate split vertex normals, which preserve sharp edges");
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parm = RNA_def_float(func, "split_angle", M_PI, 0.0f, M_PI, "",
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"Angle between polys' normals above which an edge is always sharp (180° to disable)",
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0.0f, M_PI);
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RNA_def_property_subtype(parm, (PropertySubType)PROP_UNIT_ROTATION);
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func = RNA_def_function(srna, "free_normals_split", "rna_Mesh_free_normals_split");
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RNA_def_function_ui_description(func, "Free split vertex normals");
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func = RNA_def_function(srna, "calc_tangents", "rna_Mesh_calc_tangents");
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RNA_def_function_flag(func, FUNC_USE_REPORTS);
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RNA_def_function_ui_description(func,
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"Compute tangents and bitangent signs, to be used together with the split normals "
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"to get a complete tangent space for normal mapping "
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"(split normals are also computed if not yet present)");
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parm = RNA_def_string(func, "uvmap", NULL, MAX_CUSTOMDATA_LAYER_NAME, "",
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"Name of the UV map to use for tangent space computation");
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func = RNA_def_function(srna, "free_tangents", "rna_Mesh_free_tangents");
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RNA_def_function_ui_description(func, "Free tangents");
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func = RNA_def_function(srna, "calc_tessface", "ED_mesh_calc_tessface");
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RNA_def_function_ui_description(func, "Calculate face tessellation (supports editmode too)");
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func = RNA_def_function(srna, "calc_smooth_groups", "rna_Mesh_calc_smooth_groups");
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RNA_def_function_ui_description(func, "Calculate smooth groups from sharp edges");
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RNA_def_boolean(func, "use_bitflags", false, "", "Produce bitflags groups instead of simple numeric values");
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/* return values */
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parm = RNA_def_int_array(func, "poly_groups", 1, NULL, 0, 0, "", "Smooth Groups", 0, 0);
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RNA_def_property_flag(parm, PROP_DYNAMIC | PROP_OUTPUT);
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parm = RNA_def_int(func, "groups", 0, 0, INT_MAX, "groups", "Total number of groups", 0, INT_MAX);
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RNA_def_property_flag(parm, PROP_OUTPUT);
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func = RNA_def_function(srna, "update", "ED_mesh_update");
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RNA_def_boolean(func, "calc_edges", 0, "Calculate Edges", "Force recalculation of edges");
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RNA_def_boolean(func, "calc_tessface", 0, "Calculate Tessellation", "Force recalculation of tessellation faces");
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RNA_def_function_flag(func, FUNC_USE_CONTEXT);
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func = RNA_def_function(srna, "unit_test_compare", "rna_Mesh_unit_test_compare");
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RNA_def_pointer(func, "mesh", "Mesh", "", "Mesh to compare to");
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/* return value */
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parm = RNA_def_string(func, "result", "nothing", 64, "Return value", "String description of result of comparison");
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RNA_def_function_return(func, parm);
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func = RNA_def_function(srna, "validate", "BKE_mesh_validate");
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RNA_def_function_ui_description(func, "Validate geometry, return True when the mesh has had "
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"invalid geometry corrected/removed");
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RNA_def_boolean(func, "verbose", 0, "Verbose", "Output information about the errors found");
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parm = RNA_def_boolean(func, "result", 0, "Result", "");
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RNA_def_function_return(func, parm);
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func = RNA_def_function(srna, "validate_material_indices", "BKE_mesh_validate_material_indices");
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RNA_def_function_ui_description(func, "Validate material indices of polygons, return True when the mesh has had "
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"invalid indices corrected (to default 0)");
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parm = RNA_def_boolean(func, "result", 0, "Result", "");
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RNA_def_function_return(func, parm);
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}
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#endif
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