bool loadMeshSTL(Mesh* mesh, const char* filename, FMatrix3x3& matrix)
{
FILE* f = fopen(filename, "r");
char buffer[6];
if (f == nullptr)
return false;
if (fread(buffer, 5, 1, f) != 1)
{
fclose(f);
return false;
}
fclose(f);
buffer[5] = '\0';
if (stringcasecompare(buffer, "solid") == 0)
{
bool load_success = loadMeshSTL_ascii(mesh, filename, matrix);
if (!load_success)
return false;
// This logic is used to handle the case where the file starts with
// "solid" but is a binary file.
if (mesh->faces.size() < 1)
{
mesh->clear();
return loadMeshSTL_binary(mesh, filename, matrix);
}
return true;
}
return loadMeshSTL_binary(mesh, filename, matrix);
}
bool loadMeshSTL(Mesh* mesh, const char* filename, FMatrix3x3& matrix)
{
FILE* f = fopen(filename, "r");
if (f == nullptr)
{
return false;
}
//Skip any whitespace at the beginning of the file.
unsigned long long num_whitespace = 0; //Number of whitespace characters.
unsigned char whitespace;
if (fread(&whitespace, 1, 1, f) != 1)
{
fclose(f);
return false;
}
while(isspace(whitespace))
{
num_whitespace++;
if (fread(&whitespace, 1, 1, f) != 1)
{
fclose(f);
return false;
}
}
fseek(f, num_whitespace, SEEK_SET); //Seek to the place after all whitespace (we may have just read too far).
char buffer[6];
if (fread(buffer, 5, 1, f) != 1)
{
fclose(f);
return false;
}
fclose(f);
buffer[5] = '\0';
if (stringcasecompare(buffer, "solid") == 0)
{
bool load_success = loadMeshSTL_ascii(mesh, filename, matrix);
if (!load_success)
return false;
// This logic is used to handle the case where the file starts with
// "solid" but is a binary file.
if (mesh->faces.size() < 1)
{
mesh->clear();
return loadMeshSTL_binary(mesh, filename, matrix);
}
return true;
}
return loadMeshSTL_binary(mesh, filename, matrix);
}
