3DPrinting/PrusaSlicer-NonPlainar
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix of parsing ASCII STLs on Visual Studio 2013 with global optimization.

Browse Source
This commit is contained in:
bubnikv 2017-03-22 17:57:27 +01:00
parent ed495663e8
commit 1fb3d00932
1 changed files with 16 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
xs/src/admesh/stlinit.c
View File

@ -273,17 +273,25 @@ stl_read(stl_file *stl, int first_facet, int first) {
fscanf(stl->fp, "endsolid\n");
fscanf(stl->fp, "solid%*[^\n]\n"); // name might contain spaces so %*s doesn't work and it also can be empty (just "solid")
if((fscanf(stl->fp, " facet normal %31s %31s %31s\n", normal_buf[0], normal_buf[1], normal_buf[2]) +
fscanf(stl->fp, " outer loop\n") +
fscanf(stl->fp, " vertex %f %f %f\n", &facet.vertex[0].x, &facet.vertex[0].y, &facet.vertex[0].z) +
fscanf(stl->fp, " vertex %f %f %f\n", &facet.vertex[1].x, &facet.vertex[1].y, &facet.vertex[1].z) +
fscanf(stl->fp, " vertex %f %f %f\n", &facet.vertex[2].x, &facet.vertex[2].y, &facet.vertex[2].z) +
fscanf(stl->fp, " endloop\n") +
fscanf(stl->fp, " endfacet\n")) != 12) {
int res_normal = fscanf(stl->fp, " facet normal %31s %31s %31s", normal_buf[0], normal_buf[1], normal_buf[2]);
assert(res_normal == 3);
int res_outer_loop = fscanf(stl->fp, " outer loop");
assert(res_outer_loop == 0);
int res_vertex1 = fscanf(stl->fp, " vertex %f %f %f", &facet.vertex[0].x, &facet.vertex[0].y, &facet.vertex[0].z);
assert(res_vertex1 == 3);
int res_vertex2 = fscanf(stl->fp, " vertex %f %f %f", &facet.vertex[1].x, &facet.vertex[1].y, &facet.vertex[1].z);
assert(res_vertex2 == 3);
int res_vertex3 = fscanf(stl->fp, " vertex %f %f %f", &facet.vertex[2].x, &facet.vertex[2].y, &facet.vertex[2].z);
assert(res_vertex3 == 3);
int res_endloop = fscanf(stl->fp, " endloop");
assert(res_endloop == 0);
int res_endfacet = fscanf(stl->fp, " endfacet");
if (res_normal != 3 || res_outer_loop != 0 || res_vertex1 != 3 || res_vertex2 != 3 || res_vertex3 != 3 || res_endloop != 0 || res_endfacet != 0) {
perror("Something is syntactically very wrong with this ASCII STL!");
stl->error = 1;
return;
}
// The facet normal has been parsed as a single string as to workaround for not a numbers in the normal definition.
if (sscanf(normal_buf[0], "%f", &facet.normal.x) != 1 ||
sscanf(normal_buf[1], "%f", &facet.normal.y) != 1 ||