git.maemo.org Git - impuzzle/blob - src/puzzleitem.cpp

   1 /*
   2   Image Puzzle - A set your pieces straight game
   3   Copyright (C) 2009  Timo Härkönen
   4
   5   This program is free software: you can redistribute it and/or modify
   6   it under the terms of the GNU General Public License as published by
   7   the Free Software Foundation, either version 3 of the License, or
   8   (at your option) any later version.
   9
  10   This program is distributed in the hope that it will be useful,
  11   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13   GNU General Public License for more details.
  14
  15   You should have received a copy of the GNU General Public License
  16   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #include "puzzleitem.h"
  20 #include "gameview.h"
  21
  22 #include <QGraphicsSceneMouseEvent>
  23 #include <QPropertyAnimation>
  24
  25 int PuzzleItem::moveCount_ = 0;
  26
  27 PuzzleItem::PuzzleItem(QGraphicsItem *parent) :
  28         QGraphicsPixmapItem(parent)
  29 {
  30     movable_ = true;
  31     moveAnimation_ = new QPropertyAnimation(this, "pos", this);
  32 }
  33
  34 QPointF PuzzleItem::correctPlace() const
  35 {
  36     return correctPlace_;
  37 }
  38
  39 QPointF PuzzleItem::currentPlace() const
  40 {
  41     return currentPlace_;
  42 }
  43
  44 void PuzzleItem::setCorrectPlace(const QPointF &place)
  45 {
  46     correctPlace_ = place;
  47 }
  48
  49 void PuzzleItem::setCurrentPlace(const QPointF &place)
  50 {
  51     currentPlace_ = place;
  52 }
  53
  54 bool PuzzleItem::movable() const
  55 {
  56     return movable_;
  57 }
  58
  59 void PuzzleItem::setMovable(bool canMove)
  60 {
  61     movable_ = canMove;
  62 }
  63
  64 void PuzzleItem::moveMeTo(const QPointF &location)
  65 {
  66     moveAnimation_->setStartValue(currentPlace());
  67     moveAnimation_->setEndValue(location);
  68     moveAnimation_->start();
  69 }
  70
  71 void PuzzleItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
  72 {
  73     if(movable_) {
  74         moveMeTo(GameView::instance()->emptyPlace());
  75         QPointF tmp = currentPlace();
  76         setCurrentPlace(GameView::instance()->emptyPlace());
  77         GameView::instance()->setEmptyPlace(tmp);
  78         event->accept();
  79
  80         moveCount_++;
  81
  82         // If piece is in its place check if we won the game
  83         bool won = false;
  84         if(currentPlace() == correctPlace()) {
  85             won = GameView::instance()->areAllPiecesOk();
  86         }
  87
  88         // if we didn't win set pieces that can be moved
  89         if(!won) {
  90             GameView::instance()->setMovingPieces();
  91         }
  92     }
  93     else {
  94         event->ignore();
  95     }
  96 }
  97
  98 void PuzzleItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
  99 {
 100     event->ignore();
 101 }
 102
 103 int PuzzleItem::moveCount()
 104 {
 105     return moveCount_;
 106 }
 107
 108 void PuzzleItem::resetMoveCount()
 109 {
 110     moveCount_ = 0;
 111 }