mirror of
https://github.com/SoftFever/OrcaSlicer.git
synced 2025-07-12 01:07:57 -06:00
WIP: Moved sources int src/, separated most of the source code from Perl.
The XS was left only for the unit / integration tests, and it links libslic3r only. No wxWidgets are allowed to be used from Perl starting from now.
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bubnikv
parent
3ddaccb641
commit
0558b53493
1706 changed files with 7413 additions and 7638 deletions
264
src/admesh/shared.cpp
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264
src/admesh/shared.cpp
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/* ADMesh -- process triangulated solid meshes
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* Copyright (C) 1995, 1996 Anthony D. Martin <amartin@engr.csulb.edu>
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* Copyright (C) 2013, 2014 several contributors, see AUTHORS
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Questions, comments, suggestions, etc to
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* https://github.com/admesh/admesh/issues
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <boost/nowide/cstdio.hpp>
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#include "stl.h"
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void
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stl_invalidate_shared_vertices(stl_file *stl) {
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if (stl->error) return;
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if (stl->v_indices != NULL) {
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free(stl->v_indices);
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stl->v_indices = NULL;
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}
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if (stl->v_shared != NULL) {
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free(stl->v_shared);
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stl->v_shared = NULL;
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}
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}
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void
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stl_generate_shared_vertices(stl_file *stl) {
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int i;
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int j;
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int first_facet;
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int direction;
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int facet_num;
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int vnot;
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int next_edge;
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int pivot_vertex;
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int next_facet;
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int reversed;
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if (stl->error) return;
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/* make sure this function is idempotent and does not leak memory */
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stl_invalidate_shared_vertices(stl);
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stl->v_indices = (v_indices_struct*)
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calloc(stl->stats.number_of_facets, sizeof(v_indices_struct));
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if(stl->v_indices == NULL) perror("stl_generate_shared_vertices");
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stl->v_shared = (stl_vertex*)
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calloc((stl->stats.number_of_facets / 2), sizeof(stl_vertex));
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if(stl->v_shared == NULL) perror("stl_generate_shared_vertices");
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stl->stats.shared_malloced = stl->stats.number_of_facets / 2;
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stl->stats.shared_vertices = 0;
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for(i = 0; i < stl->stats.number_of_facets; i++) {
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stl->v_indices[i].vertex[0] = -1;
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stl->v_indices[i].vertex[1] = -1;
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stl->v_indices[i].vertex[2] = -1;
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}
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for(i = 0; i < stl->stats.number_of_facets; i++) {
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first_facet = i;
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for(j = 0; j < 3; j++) {
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if(stl->v_indices[i].vertex[j] != -1) {
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continue;
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}
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if(stl->stats.shared_vertices == stl->stats.shared_malloced) {
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stl->stats.shared_malloced += 1024;
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stl->v_shared = (stl_vertex*)realloc(stl->v_shared,
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stl->stats.shared_malloced * sizeof(stl_vertex));
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if(stl->v_shared == NULL) perror("stl_generate_shared_vertices");
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}
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stl->v_shared[stl->stats.shared_vertices] =
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stl->facet_start[i].vertex[j];
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direction = 0;
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reversed = 0;
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facet_num = i;
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vnot = (j + 2) % 3;
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for(;;) {
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if(vnot > 2) {
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if(direction == 0) {
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pivot_vertex = (vnot + 2) % 3;
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next_edge = pivot_vertex;
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direction = 1;
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} else {
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pivot_vertex = (vnot + 1) % 3;
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next_edge = vnot % 3;
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direction = 0;
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}
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} else {
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if(direction == 0) {
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pivot_vertex = (vnot + 1) % 3;
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next_edge = vnot;
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} else {
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pivot_vertex = (vnot + 2) % 3;
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next_edge = pivot_vertex;
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}
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}
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stl->v_indices[facet_num].vertex[pivot_vertex] =
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stl->stats.shared_vertices;
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next_facet = stl->neighbors_start[facet_num].neighbor[next_edge];
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if(next_facet == -1) {
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if(reversed) {
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break;
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} else {
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direction = 1;
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vnot = (j + 1) % 3;
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reversed = 1;
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facet_num = first_facet;
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}
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} else if(next_facet != first_facet) {
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vnot = stl->neighbors_start[facet_num].
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which_vertex_not[next_edge];
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facet_num = next_facet;
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} else {
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break;
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}
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}
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stl->stats.shared_vertices += 1;
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}
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}
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}
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void
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stl_write_off(stl_file *stl, char *file) {
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int i;
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FILE *fp;
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char *error_msg;
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if (stl->error) return;
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/* Open the file */
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fp = boost::nowide::fopen(file, "w");
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if(fp == NULL) {
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error_msg = (char*)
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malloc(81 + strlen(file)); /* Allow 80 chars+file size for message */
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sprintf(error_msg, "stl_write_ascii: Couldn't open %s for writing",
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file);
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perror(error_msg);
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free(error_msg);
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stl->error = 1;
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return;
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}
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fprintf(fp, "OFF\n");
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fprintf(fp, "%d %d 0\n",
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stl->stats.shared_vertices, stl->stats.number_of_facets);
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for(i = 0; i < stl->stats.shared_vertices; i++) {
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fprintf(fp, "\t%f %f %f\n",
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stl->v_shared[i](0), stl->v_shared[i](1), stl->v_shared[i](2));
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}
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for(i = 0; i < stl->stats.number_of_facets; i++) {
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fprintf(fp, "\t3 %d %d %d\n", stl->v_indices[i].vertex[0],
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stl->v_indices[i].vertex[1], stl->v_indices[i].vertex[2]);
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}
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fclose(fp);
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}
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void
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stl_write_vrml(stl_file *stl, char *file) {
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int i;
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FILE *fp;
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char *error_msg;
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if (stl->error) return;
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/* Open the file */
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fp = boost::nowide::fopen(file, "w");
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if(fp == NULL) {
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error_msg = (char*)
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malloc(81 + strlen(file)); /* Allow 80 chars+file size for message */
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sprintf(error_msg, "stl_write_ascii: Couldn't open %s for writing",
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file);
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perror(error_msg);
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free(error_msg);
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stl->error = 1;
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return;
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}
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fprintf(fp, "#VRML V1.0 ascii\n\n");
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fprintf(fp, "Separator {\n");
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fprintf(fp, "\tDEF STLShape ShapeHints {\n");
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fprintf(fp, "\t\tvertexOrdering COUNTERCLOCKWISE\n");
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fprintf(fp, "\t\tfaceType CONVEX\n");
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fprintf(fp, "\t\tshapeType SOLID\n");
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fprintf(fp, "\t\tcreaseAngle 0.0\n");
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fprintf(fp, "\t}\n");
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fprintf(fp, "\tDEF STLModel Separator {\n");
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fprintf(fp, "\t\tDEF STLColor Material {\n");
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fprintf(fp, "\t\t\temissiveColor 0.700000 0.700000 0.000000\n");
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fprintf(fp, "\t\t}\n");
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fprintf(fp, "\t\tDEF STLVertices Coordinate3 {\n");
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fprintf(fp, "\t\t\tpoint [\n");
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for(i = 0; i < (stl->stats.shared_vertices - 1); i++) {
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fprintf(fp, "\t\t\t\t%f %f %f,\n",
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stl->v_shared[i](0), stl->v_shared[i](1), stl->v_shared[i](2));
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}
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fprintf(fp, "\t\t\t\t%f %f %f]\n",
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stl->v_shared[i](0), stl->v_shared[i](1), stl->v_shared[i](2));
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fprintf(fp, "\t\t}\n");
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fprintf(fp, "\t\tDEF STLTriangles IndexedFaceSet {\n");
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fprintf(fp, "\t\t\tcoordIndex [\n");
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for(i = 0; i < (stl->stats.number_of_facets - 1); i++) {
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fprintf(fp, "\t\t\t\t%d, %d, %d, -1,\n", stl->v_indices[i].vertex[0],
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stl->v_indices[i].vertex[1], stl->v_indices[i].vertex[2]);
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}
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fprintf(fp, "\t\t\t\t%d, %d, %d, -1]\n", stl->v_indices[i].vertex[0],
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stl->v_indices[i].vertex[1], stl->v_indices[i].vertex[2]);
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fprintf(fp, "\t\t}\n");
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fprintf(fp, "\t}\n");
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fprintf(fp, "}\n");
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fclose(fp);
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}
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void stl_write_obj (stl_file *stl, char *file) {
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int i;
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FILE* fp;
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if (stl->error) return;
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/* Open the file */
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fp = boost::nowide::fopen(file, "w");
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if (fp == NULL) {
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char* error_msg = (char*)malloc(81 + strlen(file)); /* Allow 80 chars+file size for message */
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sprintf(error_msg, "stl_write_ascii: Couldn't open %s for writing", file);
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perror(error_msg);
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free(error_msg);
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stl->error = 1;
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return;
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}
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for (i = 0; i < stl->stats.shared_vertices; i++) {
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fprintf(fp, "v %f %f %f\n", stl->v_shared[i](0), stl->v_shared[i](1), stl->v_shared[i](2));
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}
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for (i = 0; i < stl->stats.number_of_facets; i++) {
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fprintf(fp, "f %d %d %d\n", stl->v_indices[i].vertex[0]+1, stl->v_indices[i].vertex[1]+1, stl->v_indices[i].vertex[2]+1);
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}
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fclose(fp);
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}
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