File indexing completed on 2024-04-14 03:43:04

 /*
     SPDX-FileCopyrightText: 2018 Valentin Boettcher <valentin@boettcher.cf (do not hesitate to contact)>
     matrix               : @hiro98@tchncs.de
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "earthshadowcomponent.h"
 #include "skycomposite.h"
 #include "skypainter.h"
 #include "kstarsdata.h"
 
 //TODO: (Valentin) Error Handling
 EarthShadowComponent::EarthShadowComponent(SkyComposite *parent, KSEarthShadow *shadow) : SkyComponent(parent)
 {
     m_shadow = shadow;
     m_up_to_date = false;
 }
 
 void EarthShadowComponent::update(KSNumbers *)
 {
     KStarsData *data = KStarsData::Instance();
     m_shadow->EquatorialToHorizontal(data->lst(), data->geo()->lat());
 }
 
 void EarthShadowComponent::updateSolarSystemBodies(KSNumbers *num)
 {
     // don't bother if the moon is not in position
     if(!m_shadow->shouldUpdate()) { // TODO: There must be sth. more efficient
         m_up_to_date = false;
         return;
     }
 
     KStarsData *data = KStarsData::Instance();
     CachingDms *LST = data->lst();
     const CachingDms *lat = data->geo()->lat();
 
     m_shadow->findPosition(num, lat, LST);
     m_shadow->EquatorialToHorizontal(LST, lat);
     m_up_to_date = true;
 }
 
 void EarthShadowComponent::draw(SkyPainter *skyp)
 {
     // check if the shadow has been updated
     if(m_up_to_date && (m_shadow->isInEclipse()))
         skyp->drawEarthShadow(m_shadow);
 }