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#include <windows.h>
#include <time.h>
#include <iostream>
using namespace std;
#include <net_fdm.hxx>
double htond (double x)
{
int * p = (int*)&x;
int tmp = p[0];
p[0] = htonl(p[1]);
p[1] = htonl(tmp);
return x;
}
float htonf (float x)
{
int * p = (int *)&x;
*p = htonl(*p);
return x;
}
SOCKET sendSocket = -1;
struct sockaddr_in sendAddr;
// IP and port where FG is listening
char * fg_ip = "127.0.0.1";
int fg_port = 5500;
// update period. controls how often updates are
// sent to FG. in seconds.
int update_period = 1000;
void run();
int main(int argc, char ** argv)
{
WSAData wd;
if (WSAStartup(MAKEWORD(2,0),&wd) == 0)
{
memset(&sendAddr,0,sizeof(sendAddr));
sendAddr.sin_family = AF_INET;
sendAddr.sin_port = htons(fg_port);
sendAddr.sin_addr.S_un.S_addr = inet_addr(fg_ip);
sendSocket = socket(AF_INET,SOCK_DGRAM,0);
if (sendSocket != INVALID_SOCKET)
{
run();
}
else
{
cout << "socket() failed" << endl;
}
}
else
{
cout << "WSAStartup() failed" << endl;
}
return 0;
}
#define D2R (3.14159 / 180.0)
void run()
{
double latitude = 45.59823; // degs
double longitude = -120.69202; // degs
double altitude = 150.0; // meters above sea level
float roll = 0.0; // degs
float pitch = 0.0; // degs
float yaw = 0.0; // degs
float visibility = 5000.0; // meters
while (true)
{
Sleep(update_period);
FGNetFDM fdm;
memset(&fdm,0,sizeof(fdm));
fdm.version = htonl(FG_NET_FDM_VERSION);
fdm.latitude = htond(latitude * D2R);
fdm.longitude = htond(longitude * D2R);
fdm.altitude = htond(altitude);
fdm.phi = htonf(roll * D2R);
fdm.theta = htonf(pitch * D2R);
fdm.psi = htonf(yaw * D2R);
fdm.num_engines = htonl(1);
fdm.num_tanks = htonl(1);
fdm.fuel_quantity[0] = htonf(100.0);
fdm.num_wheels = htonl(3);
fdm.cur_time = htonl(time(0));
fdm.warp = htonl(1);
fdm.visibility = htonf(visibility);
sendto(sendSocket,(char *)&fdm,sizeof(fdm),0,(struct sockaddr *)&sendAddr,sizeof(sendAddr));
static bool flag = true;
if (flag)
{
roll += 5.0;
}
else
{
roll -= 5.0;
}
flag = !flag;
}
}
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