// vectorEx.cpp : 콘솔 응용 프로그램에 대한 진입점을 정의합니다.
//
#include "stdafx.h"
#include <fstream>
#include <vector>
using namespace std;
struct Vertex
{
float x, y, z;
};
typedef vector<Vertex> VertexList;
int _tmain(int argc, _TCHAR* argv[])
{
// Create a list for testing
VertexList list;
Vertex v1 = {1.0f, 2.0f, 3.0f}; list.push_back(v1);
Vertex v2 = {2.0f, 100.0f, 3.0f}; list.push_back(v2);
Vertex v3 = {3.0f, 200.0f, 3.0f}; list.push_back(v3);
Vertex v4 = {4.0f, 300.0f, 3.0f}; list.push_back(v4);
// Write out a list to a disk file
ofstream os ("data.txt", ios::binary);
int size1 = list.size();
os.write((const char*)&size1, 4);
os.write((const char*)&list[0], size1 * sizeof(Vertex));
os.close();
// Read it back in
VertexList list2;
ifstream is("data.txt", ios::binary);
int size2;
is.read((char*)&size2, 4);
list2.resize(size2);
// Is it safe to read a whole array of structures directly into the vector?
is.read((char*)&list2[0], size2 * sizeof(Vertex));
return 0;
}