int main()
{
Graph g;
readG(g);
printG(g);
delNode(g, 3);
printf("Graful dupa stergerea nodului 3\n");
printG(g);
return 0;
}
Agraph_t *freadFile(Expr_t * ex, int fd)
{
Sfio_t *sp;
if (fd < 0 || fd >= elementsof(ex->file)
|| !((sp = ex->file[fd]))) {
exerror("freadG: %d: invalid descriptor", fd);
return 0;
}
return readG(sp);
}
void
saveFile(void)
{
int i, len;
word *pTable;
writeFile("dccs", 4); /* Signature */
writeFileShort(numKeys); /* Number of keys */
writeFileShort((short)(numKeys * C)); /* Number of vertices */
writeFileShort(PATLEN); /* Length of key part of entries */
writeFileShort(SYMLEN); /* Length of symbol part of entries */
/* Write out the tables T1 and T2, with their sig and byte lengths in front */
writeFile("T1", 2); /* "Signature" */
pTable = readT1();
len = PATLEN * 256;
writeFileShort(len * sizeof(word));
for (i=0; i < len; i++)
{
writeFileShort(pTable[i]);
}
writeFile("T2", 2);
pTable = readT2();
writeFileShort(len * sizeof(word));
for (i=0; i < len; i++)
{
writeFileShort(pTable[i]);
}
/* Write out g[] */
writeFile("gg", 2); /* "Signature" */
pTable = readG();
len = (short)(numKeys * C);
writeFileShort(len * sizeof(word));
for (i=0; i < len; i++)
{
writeFileShort(pTable[i]);
}
/* Now the hash table itself */
writeFile("ht ", 2); /* "Signature" */
writeFileShort(numKeys * (SYMLEN + PATLEN + sizeof(word))); /* byte len */
for (i=0; i < numKeys; i++)
{
writeFile((char *)&keys[i], SYMLEN + PATLEN);
}
}
/* readFile:
* Read graph from file f.
* Return 0 on failure
*/
Agraph_t *readFile(char *f)
{
Agraph_t *gp;
Sfio_t *fp;
if (!f) {
exerror("NULL string passed to readG");
return 0;
}
fp = sfopen(0, f, "r");
if (!fp) {
exwarn("Could not open %s for reading in readG", f);
return 0;
}
gp = readG(fp);
sfclose(fp);
return gp;
}
std::vector<Mesh> loadMeshesFromObj(const char *filename, float scale)
{
printf("Attempting to load mesh->from %s\n", filename);
std::ifstream filehandle;
filehandle.open(filename, std::ios::in);
std::vector<Mesh> meshes;
if(filehandle.fail())
{
printf("Could not open file.\n");
return meshes;
}
std::vector<std::list<sVertexIndex> > existingVertexTable;
std::vector<sVertexIndex> vertexTable;
std::vector<Mesh::sFace> faceTable;
std::vector<sVec3> positionTable;
std::vector<sVec3> normalTable;
std::vector<sVec2> texcoordTable;
std::string line;
std::string name;
std::string material;
int sg = 0;
int count = 0;
clock_t start, end;
start = clock();
printf("Reading data... ");
while( filehandle.good() && !filehandle.eof() )
{
std::getline(filehandle, line);
if(line[0] == 'v')
{
if(line[1] == 't')
readTexcoord(line, texcoordTable);
else if(line[1] == 'n')
readNormal(line, normalTable);
else
readPosition(line, positionTable, scale);
}
else if(line[0] == 'f')
readFace(line, vertexTable, existingVertexTable, faceTable, sg);
else if(line[0] == 's')
readSG(line, sg);
else if(line[0] == 'g')
{
readG(line, name);
}
else if(line[0] == 'u')
{
char str[32];
char mtl[128];
int success = sscanf(line.c_str(), "%s %s", str, mtl);
if(success && strcmp(str, "usemtl") == 0)
{
if(count > 0)
{
meshes.push_back(Mesh());
fillMesh( meshes[count-1], name, vertexTable, faceTable,
positionTable, normalTable, texcoordTable);
meshes[count-1].material = material;
vertexTable.clear();
faceTable.clear();
existingVertexTable.clear();
}
++count;
if(success > 1)
material = std::string(mtl);
}
}
}
if(count > 0)
{
meshes.push_back(Mesh());
fillMesh( meshes[count-1], name, vertexTable, faceTable,
positionTable, normalTable, texcoordTable);
meshes[count-1].material = material;
}
printf("done!\n");
//printf("total vertex count %i\n", vertexTable.size());
//printf("total face count %i\n", faceTable.size());
end = clock();
double cpu_time_used = ((double) (end - start)) / CLOCKS_PER_SEC;
printf("Time taken %3.3fs \n", cpu_time_used);
//printf("meshes.size() = %i\n", meshes.size());
return meshes;
}
