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-rw-r--r--q15/src/gameboard.cpp450
1 files changed, 450 insertions, 0 deletions
diff --git a/q15/src/gameboard.cpp b/q15/src/gameboard.cpp
new file mode 100644
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--- /dev/null
+++ b/q15/src/gameboard.cpp
@@ -0,0 +1,450 @@
+/*
+ * $Id: gameboard.cpp,v 0.1 2005/08/14 12:10:05 denis Exp $
+ *
+ * Author: Denis Kozadaev (denis@tambov.ru)
+ * Description:
+ *
+ * See also: style(9)
+ *
+ * Hacked by:
+ */
+
+#include <stdlib.h>
+
+#if QT_VERSION >= 0x040000
+#include <QtGui/QApplication>
+#include <QtGui/QPainter>
+#include <QtGui/QCursor>
+#include <QtGui/QMessageBox>
+#include <QtGui/QFileDialog>
+#include <QtCore/QDateTime>
+#else
+#include <ntqapplication.h>
+#include <ntqpainter.h>
+#include <ntqcursor.h>
+#include <ntqmessagebox.h>
+#include <ntqfiledialog.h>
+#include <ntqdatetime.h>
+#include <ntqwmatrix.h>
+#endif
+
+#include "gameboard.h"
+
+
+#define DELAY 10
+#define STEP 5
+
+
+#if QT_VERSION >= 0x040000
+BoardItem::BoardItem(int n, QWidget *parent)
+ :QLabel(parent)
+#else
+BoardItem::BoardItem(int n, TQWidget *parent, const char *name)
+ :TQLabel(parent, name)
+#endif
+{
+
+ num = n;
+}
+
+BoardItem::~BoardItem()
+{
+}
+
+
+void
+BoardItem::paintEvent(TQPaintEvent *e)
+{
+ TQPainter *p;
+ int w = width() - 1,
+ h = height() - 1;
+
+ TQLabel::paintEvent(e);
+ p = new TQPainter(this);
+
+ p->setPen(TQt::black);
+ p->drawRect(0, 0, w, h);
+ p->setPen(TQt::magenta);
+ p->drawText(0, 0, w, h, TQt::AlignCenter,
+ TQString::number(item() + 1));
+
+ delete p;
+}
+
+//------------------------------------------------------------------------------
+
+#if QT_VERSION >= 0x040000
+GameBoard::GameBoard(QWidget *parent)
+ :QWidget(parent)
+#else
+GameBoard::GameBoard(TQWidget *parent, const char *name)
+ :TQWidget(parent, name)
+#endif
+{
+#include "cat.xpm"
+ TQPixmap xpm(cat_xpm);
+
+ memset(map, 0, sizeof(map));
+ nt = n = xt = yt = -1;
+ dx = dy = 0;
+
+ tmr = new TQTimer(this);
+ TQObject::connect(tmr, SIGNAL(timeout()), this, SLOT(moveItem()));
+ setEnabled(FALSE);
+ origin = xpm;
+}
+
+GameBoard::~GameBoard()
+{
+ int i;
+
+ for (i = 0; i < 16; ++i)
+ if (map[i] != NULL)
+ delete map[i];
+
+ delete tmr;
+}
+
+
+void
+GameBoard::resizeEvent(TQResizeEvent *e)
+{
+
+ TQWidget::resizeEvent(e);
+ initMap();
+}
+
+
+void
+GameBoard::initMap()
+{
+ const int num = 15;
+ int i, x, y,
+ w = width() / 4,
+ h = height() / 4;
+ TQFont fnt("Antiqua", 18);
+ TQPixmap xpm;
+
+ if (!origin.isNull()) {
+#if QT_VERSION >= 0x040000
+ xpm = origin.scaled(width(), height(),
+ Qt::KeepAspectRatioByExpanding);
+#else
+ TQWMatrix mtx;
+ mtx.scale((float)width() / (float)origin.width(),
+ (float)height() / (float)origin.height());
+ xpm = origin.xForm(mtx);
+#endif
+ }
+
+ for (i = 0; i < num; ++i) {
+ if (map[i] != NULL)
+ delete map[i];
+ map[i] = new BoardItem(i, this);
+ map[i]->setFont(fnt);
+ map[i]->resize(w, h);
+ map[i]->setAlignment(TQt::AlignCenter);
+ if (!xpm.isNull()) {
+ y = (i >> 2);
+ x = i - (y << 2);
+ map[i]->move(x * w, y * h);
+#if QT_VERSION >= 0x040000
+ map[i]->setPixmap(xpm.copy(map[i]->x(), map[i]->y(),
+ w, h));
+#else
+ TQPixmap xpm1(map[i]->size());
+ copyBlt(&xpm1, 0, 0, &xpm,
+ map[i]->x(), map[i]->y(), w, h);
+ map[i]->setPixmap(xpm1);
+#endif
+ }
+ }
+ if (map[num] != NULL)
+ delete map[num];
+ map[num] = NULL;
+}
+
+
+void
+GameBoard::mousePressEvent(TQMouseEvent *e)
+{
+ int x = e->x(),
+ y = e->y(),
+ i, it;
+
+ i = index(x, y);
+ if (mayMove(i) && (n == -1)) {
+ for (it = 0; (it < 16) && (map[it] != NULL); ++it);
+ startMoving(i, it);
+ }
+}
+
+
+int
+GameBoard::mayMove(int n)
+{
+ int res = 0;
+
+ if ((n >= 0) && (n < 16)) {
+ switch (n) {
+ case 0:
+ res = (map[n + 1] == NULL) ||
+ (map[n + 4] == NULL);
+ break;
+
+ case 1:
+ case 2:
+ res = (map[n - 1] == NULL) ||
+ (map[n + 1] == NULL) ||
+ (map[n + 4] == NULL);
+ break;
+
+ case 3:
+ res = (map[n - 1] == NULL) ||
+ (map[n + 4] == NULL);
+ break;
+
+ case 4:
+ case 8:
+ res = (map[n + 1] == NULL) ||
+ (map[n - 4] == NULL) ||
+ (map[n + 4] == NULL);
+ break;
+
+ case 5:
+ case 6:
+ case 9:
+ case 10:
+ res = (map[n - 1] == NULL) ||
+ (map[n + 1] == NULL) ||
+ (map[n - 4] == NULL) ||
+ (map[n + 4] == NULL);
+ break;
+
+ case 7:
+ case 11:
+ res = (map[n - 1] == NULL) ||
+ (map[n - 4] == NULL) ||
+ (map[n + 4] == NULL);
+ break;
+
+ case 12:
+ res = (map[n + 1] == NULL) ||
+ (map[n - 4] == NULL);
+ break;
+
+ case 13:
+ case 14:
+ res = (map[n - 1] == NULL) ||
+ (map[n + 1] == NULL) ||
+ (map[n - 4] == NULL);
+ break;
+
+ case 15:
+ res = (map[n - 1] == NULL) ||
+ (map[n - 4] == NULL);
+ break;
+ }
+ }
+
+ return (res);
+}
+
+
+int
+GameBoard::index(int x, int y)
+{
+ int ndx = -1,
+ i, x1, y1;
+
+ if ((map[0] != NULL) || (map[1] != NULL)) {
+ for (i = 0; i < 16; ++i) {
+ if (map[i] != NULL) {
+ x1 = map[i]->x();
+ y1 = map[i]->y();
+ if ((x >= x1) && (y >= y1) &&
+ (x < (x1 + map[i]->width())) &&
+ (y < (y1 + map[i]->height()))) {
+ ndx = i;
+ break;
+ }
+ }
+ }
+ }
+
+ return (ndx);
+}
+
+
+void
+GameBoard::startMoving(int i, int t)
+{
+
+ n = i; nt = t;
+ xt = (t - (t & ~3)) * map[n]->width();
+ yt = (t >> 2) * map[n]->height();
+ dx = step(xt, map[n]->x());
+ dy = step(yt, map[n]->y());
+ tmr->start(DELAY);
+ TQApplication::setOverrideCursor(TQCursor(TQt::WaitCursor));
+}
+
+
+int
+GameBoard::step(int t, int f)
+{
+ int res;
+
+ if (t > f)
+ res = STEP;
+ else if (t < f)
+ res = -STEP;
+ else
+ res = 0;
+
+ return (res);
+}
+
+
+void
+GameBoard::moveItem()
+{
+ int x, y, stp, a;
+
+ if ((n != -1) && (nt != -1) && (map[n] != NULL)) {
+ x = map[n]->x();
+ y = map[n]->y();
+ stp = 0;
+ if (dx != 0) {
+ stp = (x == xt);
+ if (!stp) {
+ a = abs(x - xt);
+ if (a < abs(dx))
+ dx = sign(dx) * a;
+ x += dx;
+ }
+ } else if (dy != 0) {
+ stp = (y == yt);
+ if (!stp) {
+ a = abs(y - yt);
+ if (a < abs(dy))
+ dy = sign(dy) * a;
+ y += dy;
+ }
+ }
+ map[n]->move(x, y);
+ if (stp) {
+ map[nt] = map[n];
+ map[n] = NULL;
+ nt = n = -1;
+ xt = yt = -1;
+ dx = dy = 0;
+ tmr->stop();
+ TQApplication::restoreOverrideCursor();
+ checkEndGame();
+ }
+ }
+}
+
+int
+GameBoard::sign(int x)
+{
+ int res;
+
+ if (x > 0)
+ res = 1;
+ else if (x < 0)
+ res = -1;
+ else
+ res = 0;
+
+ return (res);
+}
+
+
+void
+GameBoard::checkEndGame()
+{
+ int i, n;
+ TQString txt;
+
+ for (n = i = 0; i < 15; ++i)
+ if ((map[i] != NULL) && (map[i]->item() == i))
+ n++;
+ if (n == 15) {
+ txt = tr("Game Over");
+ TQMessageBox::information(this, txt, txt);
+ setEnabled(FALSE);
+ }
+}
+
+
+void
+GameBoard::newGame()
+{
+
+ setEnabled(TRUE);
+ initMap();
+ newTask();
+}
+
+
+void
+GameBoard::newTask()
+{
+ int i, n, stp, x, y;
+ BoardItem *tmp;
+
+ srandom(TQDateTime::currentDateTime().toTime_t());
+ do {
+ stp = (random() % 13) & 0xF;
+ if ((stp & 1) == 0)
+ stp++;
+ } while (stp % 5 == 0);
+
+ n = random() & 0xF;
+
+ for (i = 0; i < 16; ++i) {
+ n += stp;
+ if (n > 15)
+ n -= 16;
+ tmp = map[i];
+ map[i] = map[n];
+ map[n] = tmp;
+ }
+
+ for (i = 0; i < 16; ++i)
+ if (map[i] != NULL) {
+ y = (i >> 2);
+ x = i - (y << 2);
+ map[i]->move(x * map[i]->width(), y * map[i]->height());
+ map[i]->show();
+ }
+}
+
+
+void
+GameBoard::loadImage()
+{
+ TQString str;
+ TQPixmap img;
+
+#if QT_VERSION >= 0x040000
+ str = QFileDialog::getOpenFileName(this, tr("Open an image..."),
+ QString::null, "*");
+#else
+ str = TQFileDialog::getOpenFileName(TQString::null, "*", this, NULL,
+ tr("Open an image..."));
+#endif
+
+ if (!str.isEmpty()) {
+ if (img.load(str)) {
+ origin = img;
+ initMap();
+ } else
+ TQMessageBox::critical(this, tr("Error loading..."),
+ tr("Cannot load the image ") + str);
+ }
+}
+
+#include "gameboard.moc"
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