src/core/item.cpp

0001 /*
0002     This file is part of Knights, a chess board for KDE SC 4.
0003     SPDX-FileCopyrightText: 2009, 2010, 2011 Miha Čančula <miha@noughmad.eu>
0004
0005     SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
0006 */
0007
0008 #include "item.h"
0009 #include "board.h"
0010 #include "settings.h"
0011
0012 #include <QPropertyAnimation>
0013 #include <QParallelAnimationGroup>
0014 #include <QtMath>
0015
0016 using namespace Knights;
0017
0018 static const int fastAnimationDuration = 150;
0019 static const int normalAnimationDuration = 250;
0020 static const int slowAnimationDuration = 400;
0021
0022 Item::Item ( KGameGraphicsViewRenderer* renderer, const QString &key, QGraphicsScene* scene, Pos boardPos, QGraphicsItem* parentItem ) : KGameRenderedGraphicsObject ( renderer, key, parentItem ) {
0023     setBoardPos ( boardPos );
0024     if ( scene )
0025         scene->addItem ( this );
0026 }
0027
0028 Item::~Item() {
0029     if ( scene() )
0030         scene()->removeItem ( this );
0031 }
0032
0033 Pos Item::boardPos() const {
0034     return m_pos;
0035 }
0036
0037 void Item::setBoardPos ( const Pos& pos ) {
0038     m_pos = pos;
0039 }
0040
0041 void Item::move ( const QPointF& pos, qreal tileSize, bool animated ) {
0042     if ( !animated || Settings::animationSpeed() == Settings::EnumAnimationSpeed::Instant )
0043         setPos ( pos );
0044     else {
0045         int duration = 0;
0046         switch ( Settings::animationSpeed() ) {
0047         case Settings::EnumAnimationSpeed::Fast:
0048             duration = fastAnimationDuration;
0049             break;
0050         case Settings::EnumAnimationSpeed::Normal:
0051             duration = normalAnimationDuration;
0052             break;
0053         case Settings::EnumAnimationSpeed::Slow:
0054             duration = slowAnimationDuration;
0055             break;
0056         default:
0057             break;
0058         }
0059         duration *= qSqrt ( QPointF ( this->pos() - pos ).manhattanLength() / tileSize );
0060         QPropertyAnimation* anim = new QPropertyAnimation ( this, "pos" );
0061         anim->setDuration ( duration );
0062         anim->setEasingCurve ( QEasingCurve::InOutCubic );
0063         anim->setEndValue ( pos );
0064         anim->start ( QAbstractAnimation::DeleteWhenStopped );
0065     }
0066 }
0067
0068 void Item::resize ( const QSize& size, bool animated ) {
0069     if ( !animated || Settings::animationSpeed() == Settings::EnumAnimationSpeed::Instant )
0070         setRenderSize ( size );
0071     else {
0072         int duration = 0;
0073         switch ( Settings::animationSpeed() ) {
0074         case Settings::EnumAnimationSpeed::Fast:
0075             duration = fastAnimationDuration;
0076             break;
0077         case Settings::EnumAnimationSpeed::Normal:
0078             duration = normalAnimationDuration;
0079             break;
0080         case Settings::EnumAnimationSpeed::Slow:
0081             duration = slowAnimationDuration;
0082             break;
0083         default:
0084             break;
0085         }
0086         QPropertyAnimation* anim = new QPropertyAnimation ( this, "renderSize" );
0087         anim->setDuration ( duration );
0088         anim->setEasingCurve ( QEasingCurve::InOutCubic );
0089         anim->setEndValue ( size );
0090         anim->start ( QAbstractAnimation::DeleteWhenStopped );
0091     }
0092 }
0093
0094 void Item::moveAndResize ( const QPointF& pos, qreal tileSize, const QSize& size, bool animated ) {
0095     if ( !animated || Settings::animationSpeed() == Settings::EnumAnimationSpeed::Instant ) {
0096         setPos ( pos );
0097         setRenderSize ( size );
0098     } else {
0099         int duration = 0;
0100         switch ( Settings::animationSpeed() ) {
0101         case Settings::EnumAnimationSpeed::Fast:
0102             duration = fastAnimationDuration;
0103             break;
0104         case Settings::EnumAnimationSpeed::Normal:
0105             duration = normalAnimationDuration;
0106             break;
0107         case Settings::EnumAnimationSpeed::Slow:
0108             duration = slowAnimationDuration;
0109             break;
0110         default:
0111             break;
0112         }
0113         duration *= qSqrt ( QPointF ( this->pos() - pos ).manhattanLength() / tileSize );
0114         QParallelAnimationGroup* group = new QParallelAnimationGroup;
0115         QPropertyAnimation* posAnimation = new QPropertyAnimation ( this, "pos" );
0116         posAnimation->setDuration ( duration );
0117         posAnimation->setEasingCurve ( QEasingCurve::InOutCubic );
0118         posAnimation->setEndValue ( pos );
0119         group->addAnimation ( posAnimation );
0120         QPropertyAnimation* sizeAnimation = new QPropertyAnimation ( this, "renderSize" );
0121         sizeAnimation->setDuration ( duration );
0122         sizeAnimation->setEasingCurve ( QEasingCurve::InOutCubic );
0123         sizeAnimation->setEndValue ( size );
0124         group->addAnimation ( sizeAnimation );
0125         group->start ( QAbstractAnimation::DeleteWhenStopped );
0126     }
0127 }
0128
0129 #include "moc_item.cpp"