File indexing completed on 2023-09-24 08:17:46

 /*
     This file is part of the KDE games lskat program
     SPDX-FileCopyrightText: 2006 Martin Heni <kde@heni-online.de>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "display_intro.h"
 
 // General includes
 #include <cmath>
 
 // Qt includes
 #include <QPoint>
 
 // KF includes
 #include <KLocalizedString>
 #include <KConfigGroup>
 
 // Local includes
 #include "cardsprite.h"
 #include "textsprite.h"
 
 #define WAIT_CNT       100  /* Wait this [ms] before clearing board */
 
 // Constructor for the display
 DisplayIntro::DisplayIntro(Deck *deck, QGraphicsScene *theScene, ThemeManager *theme,
                            int advancePeriod, QGraphicsView *parent)
             : Themable(QStringLiteral("display_intro"), theme), AbstractDisplay(deck, theScene, theme, advancePeriod, parent)
 {
     mTextShown = false;
 
     // Choose a background color
     scene()->setBackgroundBrush(QColor(0, 0, 128));
 
     mTimer = new QTimer(this);
     connect(mTimer, &QTimer::timeout, this, &DisplayIntro::loop);
     mTimer->stop();
 
     // Redraw
     if (theme) theme->updateTheme(this);
 }
 
 // Called by thememanager when theme or theme geometry changes. Redraw and resize
 // this display.
 void DisplayIntro::changeTheme()
 {
     // Retrieve theme data
     KConfigGroup config = thememanager()->config(id());
 
     // Retrieve background pixmap
     QString bgsvgid = config.readEntry("background-svgid");
     QPixmap pixmap  = thememanager()->getPixmap(bgsvgid, scene()->sceneRect().size().toSize());
     scene()->setBackgroundBrush(pixmap);
     mView->update();
 }
 
 // Start the intro.
 void DisplayIntro::start()
 {
     mAnimCnt = 0;
     mState   = Putting;
     mTimer->start(50);
 
     // Stop all card sprites
     for (int i = 0; i < mCards.size(); i++)
     {
         mCards[i]->stop();
     }
 }
 
 // Animation loop
 void DisplayIntro::loop()
 {
     int no = mCards.size();
     // Catch no card error
     if (no < 1) return;
 
     // Retrieve theme data
     KConfigGroup cardconfig = thememanager()->config(QStringLiteral("card"));
     double card_width       = cardconfig.readEntry("width", 1.0);
     KConfigGroup config     = thememanager()->config(id());
     QPointF start_shift     = config.readEntry("start-shift", QPointF(1.0, 1.0));
     QPointF start_pos       = config.readEntry("start-pos", QPointF(1.0, 1.0));
     double time_clear_in    = config.readEntry("time-clear-in", 1.0);
     double time_clear_out   = config.readEntry("time-clear-out", 1.0);
     double aspectRatio      = thememanager()->aspectRatio();
 
     // Display the intro text delayed
     if (mAnimCnt == 2  && mState == Putting && !mTextShown)
     {
         mTextShown = true;
         QString s1 = i18nc("Title of the game - line 1", "Lieutenant Skat");
         QString s2 = i18nc("Title of the game - line 2", "for");
         QString s3 = i18nc("Title of the game - line 3", "K D E");
 
         // Text sprite title foreground
         TextSprite *text1a = new TextSprite(s1, QStringLiteral("name-front"), mTheme, scene());
         mSprites.append(text1a);
         text1a->show();
 
         // Text sprite title background
         TextSprite *text1b = new TextSprite(s1, QStringLiteral("name-back"), mTheme, scene());
         mSprites.append(text1b);
         text1b->show();
 
         // Text sprite title foreground
         TextSprite *text2a = new TextSprite(s2, QStringLiteral("for-front"), mTheme, scene());
         mSprites.append(text2a);
         text2a->show();
 
         // Text sprite title background
         TextSprite *text2b = new TextSprite(s2, QStringLiteral("for-back"), mTheme, scene());
         mSprites.append(text2b);
         text2b->show();
 
         // Text sprite title foreground
         TextSprite *text3a = new TextSprite(s3, QStringLiteral("kde-front"), mTheme, scene());
         mSprites.append(text3a);
         text3a->show();
 
         // Text sprite title background
         TextSprite *text3b = new TextSprite(s3, QStringLiteral("kde-back"), mTheme, scene());
         mSprites.append(text3b);
         text3b->show();
     }
 
     // Display a card
     if (mAnimCnt < no && mState == Putting)
     {
         double factor = double(mAnimCnt) / double(no - 1);
         double fsin = sin(factor * M_PI);
 
         CardSprite *sprite = mCards[mAnimCnt];
 
         QPointF pos;
         if (mAnimCnt % 2 == 0)
         {
             pos  = QPointF(start_pos.x(), start_pos.y());
             pos += QPointF(start_shift.x() * fsin, start_shift.y() * factor);
         }
         else
         {
             pos  = QPointF(1.0 - start_pos.x() - card_width, start_pos.y());
             pos += QPointF(-start_shift.x() * fsin, start_shift.y() * factor);
         }
         sprite->setBackside();
         sprite->setPosition(pos);
         sprite->setZValue(50 + mAnimCnt);
         sprite->show();
         mAnimCnt++;
     }
     // Change state to turning
     else if (mState == Putting)
     {
         mState   = Turning;
         mAnimCnt = 0;
     }
     // Turn cards
     else if (mAnimCnt < no && mState == Turning)
     {
         CardSprite *sprite = mCards[mAnimCnt];
         sprite->setTurning(true);
         mAnimCnt++;
     }
     // Change state to waiting
     else if (mState == Turning)
     {
         mState   = Waiting;
         mAnimCnt = 0;
     }
     // Wait
     else if (mAnimCnt < WAIT_CNT && mState == Waiting)
     {
         mAnimCnt++;
     }
     // Change state to clearing the board
     else if (mState == Waiting)
     {
         mState   = Clearing;
         mAnimCnt = 0;
     }
     // Clear the board, step 1
     else if (mAnimCnt == 0 && mState == Clearing)
     {
         for (int i = 0; i < no; i++)
         {
             CardSprite *sprite = mCards[i];
             sprite->setMove(QPointF((1.0 - card_width) / 2.0, (1.0 / aspectRatio - card_width) / 2.0), time_clear_in);
         }
         mAnimCnt++;
     }
     // Clear the board, step 2
     else if (mAnimCnt < 30 && mState == Clearing)
     {
         mAnimCnt++;
     }
     // Clear the board, step 3 and change state to waiting
     else if (mState == Clearing)
     {
         for (int i = 0; i < no; i++)
         {
             double r = 1.0;
             double x = r * cos(double(i) / double(no - 1) * M_PI * 2.0) + 0.5;
             double y = r * sin(double(i) / double(no - 1) * M_PI * 2.0) + 0.5;
             CardSprite *sprite = mCards[i];
             sprite->setMove(QPointF(x, y / aspectRatio), time_clear_out);
         }
         mState = Waiting2;
         mAnimCnt = 0;
     }
     // Wait
     else if (mAnimCnt < WAIT_CNT && mState == Waiting2)
     {
         mAnimCnt++;
     }
     // Restart cycle
     else if (mState == Waiting2)
     {
         for (int i = 0; i < no; i++)
         {
             CardSprite *sprite = mCards[i];
             sprite->stop();
         }
 
         mState   = Putting;
         mAnimCnt = 0;
     }
 }
 
 #include "moc_display_intro.cpp"