FreeTrack.h

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#pragma once

/********************************************************************
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
********************************************************************/

#include <WinSock2.h>
#include <WS2tcpip.h>
#include <Windows.h>

#include "../Logger.h"

class Viewscreen;

class FreeTrack
{
        Viewscreen* viewscreen;
        Logger* logger;

        HINSTANCE hinstLib;

        struct FreeTrackData
        {
                unsigned long int dataID;
                long int camWidth;
                long int camHeight;

                float yaw;
                float pitch;
                float roll;
                float x;
                float y;
                float z;

                float rawyaw;
                float rawpitch;
                float rawroll;
                float rawx;
                float rawy;
                float rawz;

                float x1;
                float y1;
                float x2;
                float y2;
                float x3;
                float y3;
                float x4;
                float y4;
        };

        // DLL function signatures
        // These match those given in FTTypes.pas
        // WINAPI is macro for __stdcall defined somewhere in the depths of windows.h
        typedef bool (WINAPI *importGetData)(FreeTrackData * data);
        typedef char *(WINAPI *importGetDllVersion)();
        typedef void (WINAPI *importReportID)(int name);
        typedef char *(WINAPI *importProvider)();

        // declare imported function pointers
        importGetData           getData;
        importGetDllVersion     getDllVersion;
        importReportID          reportID;
        importProvider          provider;

        // create variables for exchanging data with the dll
        FreeTrackData           data{};
        FreeTrackData           *pData;

public:
        float x = 0.0f, y = 0.0f, z = 0.0f;

        FreeTrack(Viewscreen* prmViewscreen);
        void Poll();
        ~FreeTrack();
};