//-----------------------------------------------------------------------------
// Purpose: Apply TrackIR to CUserCmd creation
// Input : frametime -
// *cmd -
//-----------------------------------------------------------------------------
void CInput::TrackIRMove( float frametime, CUserCmd *cmd )
{
#if !defined( _X360 )
if ( !IsHeadTrackingEnabled() )
return;
// complete initialization if first time in ( needed as cvars are not available at initialization time )
// verify TrackIR is available and that the user wants to use it
if (!m_fTrackIRAvailable )
{
return;
}
if (tir_start.GetFloat() == 1.0)
{
Init_TrackIR();
tir_start.SetValue(0);
}
if (tir_stop.GetFloat() == 1.0)
{
Shutdown_TrackIR();
tir_stop.SetValue(0);
}
// grab the data from the TrackIR
TRACKIRDATA tid;
NPRESULT result;
// Go get the latest data
result = NPS_GetData(&tid);
if( NP_OK == result )
{
QAngle viewangles;
QAngle engineview;
// get the current player
C_BasePlayer * pPlayer = C_BasePlayer::GetLocalPlayer();
// calculate the amount of rotation from TrackIR
viewangles[YAW] = g_angleCenter[YAW] + (tid.fNPYaw / (float) TIR_MAX_VALUE) * tir_maxyaw.GetFloat();
viewangles[PITCH] = g_angleCenter[PITCH] + (tid.fNPPitch / (float) TIR_MAX_VALUE) * tir_maxpitch.GetFloat();
viewangles[ROLL] = g_angleCenter[ROLL] + (tid.fNPRoll / (float) TIR_MAX_VALUE) * tir_maxroll.GetFloat() * -1.0;
// get the direction the player is facing
QAngle eyeAngle;
eyeAngle = pPlayer->EyeAngles();
// add in the head rotation
eyeAngle += viewangles;
// get the rotation matrix for the head
matrix3x4_t mat;
AngleMatrix( pPlayer->EyeAngles(), mat );
// create a normalized vector based on the TIR input
Vector tirForward, tirEye;
tirForward.x = (tid.fNPZ / (float) TIR_MAX_VALUE) * -1;
tirForward.y = (tid.fNPX / (float) TIR_MAX_VALUE);
tirForward.z = (tid.fNPY / (float) TIR_MAX_VALUE);
// now rotate the vector based on the eye angle
VectorRotate(tirForward, mat, tirEye);
// scale the translation vector
tirEye.x *= tir_maxz.GetFloat();
tirEye.y *= tir_maxx.GetFloat();
tirEye.z *= tir_maxy.GetFloat();
// save the values for later
pPlayer->SetEyeOffset(tirEye);
pPlayer->SetEyeAngleOffset(viewangles);
cmd->headangles = viewangles;
cmd->headoffset = tirEye;
}
#endif
}
