//-----------------------------------------------------------------------------
// Purpose: Builds the matrix for a counterclockwise rotation about an arbitrary axis.
//
// | ax2 + (1 - ax2)cosQ axay(1 - cosQ) - azsinQ azax(1 - cosQ) + aysinQ |
// Ra(Q) = | axay(1 - cosQ) + azsinQ ay2 + (1 - ay2)cosQ ayaz(1 - cosQ) - axsinQ |
// | azax(1 - cosQ) - aysinQ ayaz(1 - cosQ) + axsinQ az2 + (1 - az2)cosQ |
//
// Input : mat -
// vAxisOrRot -
// angle -
//-----------------------------------------------------------------------------
void MatrixBuildRotationAboutAxis( VMatrix &dst, const Vector &vAxisOfRot, float angleDegrees )
{
MatrixBuildRotationAboutAxis( vAxisOfRot, angleDegrees, dst.As3x4() );
dst[3][0] = 0;
dst[3][1] = 0;
dst[3][2] = 0;
dst[3][3] = 1;
}
//-----------------------------------------------------------------------------
// Returns the attachment render origin + origin
//-----------------------------------------------------------------------------
void C_VGuiScreen::GetAimEntOrigin( IClientEntity *pAttachedTo, Vector *pOrigin, QAngle *pAngles )
{
C_BaseEntity *pEnt = pAttachedTo->GetBaseEntity();
const char* panelName = PanelName();
vgui::Panel panel = m_PanelWrapper.GetPanel();
if ( Q_strcmp(panelName, "health_screen") == 0 )
{
QAngle weapAngles = pEnt->GetAbsAngles();
Vector weapForward, weapRight, weapUp;
AngleVectors(weapAngles, &weapForward, &weapRight, &weapUp);
VMatrix worldFromPanel;
AngleMatrix(weapAngles, worldFromPanel.As3x4());
MatrixRotate(worldFromPanel, Vector(0, 0, 1), 180.f);
MatrixRotate(worldFromPanel, Vector(1, 0, 0), -90.f);
MatrixAngles(worldFromPanel.As3x4(), *pAngles);
// move it right and over
*pOrigin = pEnt->GetAbsOrigin() + weapRight*1.75 + weapUp*2.3 + weapForward*5;
return;
}
//todo: set alpha per view ... m_PanelWrapper.GetPanel()->SetAlpha(200);
if (pEnt && (m_nAttachmentIndex > 0))
{
{
C_BaseAnimating::AutoAllowBoneAccess boneaccess( true, true );
pEnt->GetAttachment( m_nAttachmentIndex, *pOrigin, *pAngles );
}
if ( IsAttachedToViewModel() )
{
FormatViewModelAttachment( *pOrigin, true );
}
}
else
{
BaseClass::GetAimEntOrigin( pAttachedTo, pOrigin, pAngles );
}
// Msg("%s origin %.1f %.1f %.1f angles %.1f %.1f %.1f \n", PanelName(), pOrigin->x, pOrigin->y, pOrigin->z, pAngles->x, pAngles->y, pAngles->z);
}