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/* Homepage http://facetracknoir.sourceforge.net/home/default.htm *
* *
* ISC License (ISC) *
* *
* Copyright (c) 2015, Wim Vriend *
* *
* Permission to use, copy, modify, and/or distribute this software for any *
* purpose with or without fee is hereby granted, provided that the above *
* copyright notice and this permission notice appear in all copies. *
*/
#include "ftnoir_protocol_fsuipc.h"
#include "api/plugin-api.hpp"
#include <cmath>
fsuipc::fsuipc()
{
prevPosX = 0.0f;
prevPosY = 0.0f;
prevPosZ = 0.0f;
prevRotX = 0.0f;
prevRotY = 0.0f;
prevRotZ = 0.0f;
}
fsuipc::~fsuipc()
{
FSUIPC_Close();
FSUIPCLib.unload();
}
template<typename t>
int fsuipc::scale2AnalogLimits(t x, t min_x, t max_x)
{
t local_x = x;
if (local_x > max_x)
{
local_x = max_x;
}
if (local_x < min_x)
{
local_x = min_x;
}
t y = (16383 * local_x) / max_x;
return (int) y;
}
template<typename t>
static inline bool check_float_fresh(t x, t y)
{
constexpr t eps = t(1e-4);
return std::fabs(x - y) >= eps;
}
void fsuipc::pose(const double *headpose ) {
DWORD result;
TFSState pitch;
TFSState yaw;
TFSState roll;
WORD FSZoom;
double virtPosX;
double virtPosY;
double virtPosZ;
double virtRotX;
double virtRotY;
double virtRotZ;
// qDebug() << "FSUIPCServer::run() says: started!";
virtRotX = -headpose[Pitch]; // degrees
virtRotY = headpose[Yaw];
virtRotZ = headpose[Roll];
virtPosX = 0.0f; // cm, X and Y are not working for FS2002/2004!
virtPosY = 0.0f;
virtPosZ = headpose[TZ];
//
// Init. the FSUIPC offsets (derived from Free-track...)
//
pitch.Control = 66503;
yaw.Control = 66504;
roll.Control = 66505;
//
// Only do this when the data has changed. This way, the HAT-switch can be used when tracking is OFF.
//
if (check_float_fresh(prevRotX, virtRotX) ||
check_float_fresh(prevRotY, virtRotY) ||
check_float_fresh(prevRotZ, virtRotZ) ||
check_float_fresh(prevPosX, virtPosX) ||
check_float_fresh(prevPosY, virtPosY) ||
check_float_fresh(prevPosZ, virtPosZ))
{
//
// Open the connection
//
FSUIPC_Open(SIM_ANY, &result);
//
// Check the FS-version
//
if (((result == FSUIPC_ERR_OK) || (result == FSUIPC_ERR_OPEN)) &&
((FSUIPC_FS_Version == SIM_FS2K2) || (FSUIPC_FS_Version == SIM_FS2K4)))
{
// Write the 4! DOF-data to FS. Only rotations and zoom are possible.
pitch.Value = scale2AnalogLimits(virtRotX, -180., 180.);
FSUIPC_Write(0x3110, 8, &pitch, &result);
yaw.Value = scale2AnalogLimits(virtRotY, -180., 180.);
FSUIPC_Write(0x3110, 8, &yaw, &result);
roll.Value = scale2AnalogLimits(virtRotZ, -180., 180.);
FSUIPC_Write(0x3110, 8, &roll, &result);
FSZoom = WORD(virtPosZ + 64);
FSUIPC_Write(0x832E, 2, &FSZoom, &result);
//
// Write the data, in one go!
//
FSUIPC_Process(&result);
if (result == FSUIPC_ERR_SENDMSG)
{
// FSUIPC checks for already open connections and returns FSUIPC_ERR_OPEN in that case
// the connection scope is global for the process. this is why above code doesn't
// leak resources or have logic errors. see: http://www.purebasic.fr/english/viewtopic.php?t=31112
FSUIPC_Close();
}
}
}
prevPosX = virtPosX;
prevPosY = virtPosY;
prevPosZ = virtPosZ;
prevRotX = virtRotX;
prevRotY = virtRotY;
prevRotZ = virtRotZ;
}
module_status fsuipc::initialize()
{
FSUIPCLib.setFileName( s.LocationOfDLL );
FSUIPCLib.setLoadHints(QLibrary::PreventUnloadHint);
if (FSUIPCLib.load() != true)
return error(tr("Can't load fsuipc at '%1'").arg(s.LocationOfDLL));
else
return status_ok();
}
OPENTRACK_DECLARE_PROTOCOL(fsuipc, FSUIPCControls, fsuipcDll)
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