int
main(int argc, char **argv)
{
// Look for help
for (int i = 0; i < argc; i++) {
if (!strcmp(argv[i], "-help")) {
ShowUsage();
}
}
// Read input and output mesh filenames
if (argc < 3) ShowUsage();
argv++, argc--; // First argument is program name
char *input_mesh_name = *argv; argv++, argc--;
char *output_mesh_name = *argv; argv++, argc--;
// Allocate mesh
R3Mesh *mesh = new R3Mesh();
if (!mesh) {
fprintf(stderr, "Unable to allocate mesh\n");
exit(-1);
}
// Read input mesh
if (!mesh->Read(input_mesh_name)) {
fprintf(stderr, "Unable to read mesh from %s\n", input_mesh_name);
exit(-1);
}
// Parse arguments and perform operations
while (argc > 0) {
if (!strcmp(*argv, "-twist")) {
CheckOption(*argv, argc, 2);
double angle = atof(argv[1]);
argv += 2, argc -= 2;
mesh->Twist(angle);
}
else if (!strcmp(*argv, "-taubin")) {
CheckOption(*argv, argc, 4);
double lambda = atof(argv[1]);
double mu = atof(argv[2]);
double iters = atoi(argv[3]);
argv += 4, argc -= 4;
mesh->Taubin(lambda, mu, iters);
}
else if (!strcmp(*argv, "-loop")) {
CheckOption(*argv, argc, 1);
argv += 1, argc -= 1;
mesh->Loop();
}
else {
// Unrecognized program argument
fprintf(stderr, "meshpro: invalid option: %s\n", *argv);
ShowUsage();
}
}
// Write output mesh
if (!mesh->Write(output_mesh_name)) {
fprintf(stderr, "Unable to write mesh to %s\n", output_mesh_name);
exit(-1);
}
// Delete mesh
delete mesh;
// Return success
return EXIT_SUCCESS;
}
