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#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <cstdio>
#include <stdint.h>
#include <sstream>
#include <cstdlib>
#include <iomanip>
#include "resource.h"
HINSTANCE hInst;
UINT_PTR timer = 0;
HMODULE ftclient;
typedef struct
{
unsigned int dataID;
int res_x; int res_y;
float yaw; // positive yaw to the left
float pitch;// positive pitch up
float roll;// positive roll to the left
float x;
float y;
float z;
// raw pose with no smoothing, sensitivity, response curve etc.
float ryaw;
float rpitch;
float rroll;
float rx;
float ry;
float rz;
// raw points, sorted by Y, origin top left corner
float x0, y0;
float x1, y1;
float x2, y2;
float x3, y3;
}FreeTrackData;
typedef bool (WINAPI *importGetData)(FreeTrackData * data);
typedef char *(WINAPI *importGetDllVersion)(void);
typedef void (WINAPI *importReportName)(char *name);
typedef char *(WINAPI *importProvider)(void);
importGetData getData;
importGetDllVersion getDllVersion;
importReportName reportName;
importProvider provider;
char *client_path()
{
HKEY hkey = 0;
RegOpenKeyEx(HKEY_CURRENT_USER, "Software\\Freetrack\\FreetrackClient", 0,
KEY_QUERY_VALUE, &hkey);
if(!hkey){
printf("Can't open registry key\n");
return NULL;
}
BYTE path[1024];
DWORD buf_len = 1024;
LONG result = RegQueryValueEx(hkey, "Path", NULL, NULL, path, &buf_len);
char *full_path = (char *)malloc(2048);
if(result == ERROR_SUCCESS && buf_len > 0){
sprintf(full_path, "%s\\FreeTrackClient.dll", path);
}
RegCloseKey(hkey);
return full_path;
}
bool start(HWND hwnd)
{
char *libname = client_path();
if(libname == NULL){
printf("Freetrack client not found!\n");
return false;
}
ftclient = LoadLibrary(libname);
if(ftclient == NULL){
printf("Couldn't load Freetrack client library '%s'!\n", libname);
return false;
}
printf("Freetrack client library %s loaded.\n", client_path());
getData = (importGetData)GetProcAddress(ftclient, "FTGetData");
getDllVersion = (importGetDllVersion)GetProcAddress(ftclient, "FTGetDllVersion");
reportName = (importReportName)GetProcAddress(ftclient, "FTReportName");
provider = (importProvider)GetProcAddress(ftclient, "FTProvider");
if((getData == NULL) || (getDllVersion == NULL) || (reportName == NULL) || (provider == NULL)){
printf("Couldn't load Freetrack client functions!\n");
FreeLibrary(ftclient);
return false;
}
printf("Dll version: %s\n", getDllVersion());
printf("Provider: %s\n", provider());
char title[1024];
GetDlgItemText(hwnd, IDC_TITLE, title, 1020);
reportName(title);
return true;
}
void reportError(std::string msg)
{
MessageBoxA(0, "FreeTrack client test", msg.c_str(), 0);
}
VOID CALLBACK TimerProcedure(HWND hwnd, UINT uMsg, UINT_PTR idEvent, DWORD dwTime)
{
(void) uMsg;
(void) idEvent;
(void) dwTime;
FreeTrackData d;
getData(&d);
SetDlgItemInt(hwnd, IDC_PITCH, d.pitch, true);
SetDlgItemInt(hwnd, IDC_ROLL, d.roll, true);
SetDlgItemInt(hwnd, IDC_YAW, d.yaw, true);
SetDlgItemInt(hwnd, IDC_X, d.x, true);
SetDlgItemInt(hwnd, IDC_Y, d.y, true);
SetDlgItemInt(hwnd, IDC_Z, d.z, true);
SetDlgItemInt(hwnd, IDC_RPITCH, d.rpitch, true);
SetDlgItemInt(hwnd, IDC_RROLL, d.rroll, true);
SetDlgItemInt(hwnd, IDC_RYAW, d.ryaw, true);
SetDlgItemInt(hwnd, IDC_RX, d.rx, true);
SetDlgItemInt(hwnd, IDC_RY, d.ry, true);
SetDlgItemInt(hwnd, IDC_RZ, d.rz, true);
std::ostringstream s;
s.str(std::string());
s<<"("<<std::fixed<<std::setprecision(1)<<d.x0<<"; "<<d.y0<<")";
SetDlgItemText(hwnd, IDC_PT0, s.str().c_str());
s.str(std::string());
s<<"("<<std::fixed<<std::setprecision(1)<<d.x1<<"; "<<d.y1<<")";
SetDlgItemText(hwnd, IDC_PT1, s.str().c_str());
s.str(std::string());
s<<"("<<std::fixed<<std::setprecision(1)<<d.x2<<"; "<<d.y2<<")";
SetDlgItemText(hwnd, IDC_PT2, s.str().c_str());
s.str(std::string());
s<<"("<<std::fixed<<std::setprecision(1)<<d.x3<<"; "<<d.y3<<")";
SetDlgItemText(hwnd, IDC_PT3, s.str().c_str());
s.str(std::string());
s<<d.res_x<<"x"<<d.res_y;
SetDlgItemText(hwnd, IDC_RES, s.str().c_str());
SetDlgItemInt(hwnd, IDC_NUM, d.dataID, true);
}
BOOL CALLBACK DialogProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
(void) lParam;
switch(uMsg)
{
case WM_INITDIALOG:
SetDlgItemText(hwndDlg, IDC_TITLE, "Default");
return TRUE;
case WM_CLOSE:
EndDialog(hwndDlg, 0);
return TRUE;
case WM_COMMAND:
switch(LOWORD(wParam))
{
/*
* TODO: Add more control ID's, when needed.
*/
case IDQUIT:
FreeLibrary(ftclient);
EndDialog(hwndDlg, 0);
return TRUE;
case IDC_START:
start(hwndDlg);
//l int ok;
// int num = GetDlgItemInt(hwndDlg, IDC_APPID, (BOOL*)&ok, false);
if(timer != 0){
KillTimer(hwndDlg, timer);
timer = 0;
}
timer = SetTimer(hwndDlg, 0, 50, TimerProcedure);
break;
}
}
return FALSE;
}
int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd)
{
(void) hPrevInstance;
(void) lpCmdLine;
(void) nShowCmd;
hInst = hInstance;
// The user interface is a modal dialog box
return DialogBox(hInstance, MAKEINTRESOURCE(IDD_DIALOG1), NULL, (DLGPROC)DialogProc);
}
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