data_gen.cpp

#include <string>
#include <iostream>
#include <vector>
#include <fstream>
#include <cstdio>
using namespace std;
struct Point
{
    double x, y, z;
};
struct Face
{
    int a, b, c;
    int front, back;
};
int main(int argc, char *argv[])
{
    char buf[1000];
    string tmp;
    vector<Point> v;
    vector<Face> f;
    int prev = 0, pref = 0;
    for (int i = 1; i < argc; i++)
    {
        cout << argv[i] << endl;
        // freopen(argv[i], "r", stdin);
        ifstream f_in(argv[i]);
        while (f_in >> tmp)
        {
            puts(tmp.c_str());
            if (tmp == "v")
            {
                Point now;
                f_in >> now.x >> now.y >> now.z;
                v.push_back(now);
            }
            else if (tmp == "f")
            {
                
                Face face;
                char ch;
                int xx;
                face.front = i;
                face.back = 0;
                f_in >> face.a;
                cout<<"begin while"<<endl;

                // while ((cin>>ch) != ' ')
                while (1)
                {
                    f_in >> ch;
                    cout<<"ch="<<ch<<endl;
                    if (ch == ' ')
                        break;
                }
                cout<<"startb"<<endl;
                f_in >> face.b;
                while (1)
                {
                    f_in >> ch;
                    if (ch == ' ')
                        break;
                }
                cout<<"startc"<<endl;

                f_in >> face.c;
                //f_in.getline();
                // fgets(buf, 1000, stdin);
                string str;
                getline(f_in, str);
                cout<<"str="<<str<<endl;
                // gets();
                face.a += prev - 1;
                face.b += prev - 1;
                face.c += prev - 1;
                f.push_back(face);
            }
            else
            {
                //f_in.getline();
                string str;
                getline(f_in, str);
                // fgets(buf, 1000, stdin);
                // gets();
            }
        }
        pref = f.size();
        prev = v.size();
    }
    freopen("output.arec", "w", stdout);
    cout << v.size() << endl;
    for (auto point : v)
    {
        printf("%.10f %.10f %.10f\n", point.x, point.y, point.z);
    }
    cout << f.size() << endl;
    for (auto face : f)
    {
        printf("%d %d %d %d %d\n", face.a, face.b, face.c, face.front, face.back);
    }
}