diff options
Diffstat (limited to 'kolf/floater.cpp')
| -rw-r--r-- | kolf/floater.cpp | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/kolf/floater.cpp b/kolf/floater.cpp new file mode 100644 index 00000000..73612bc8 --- /dev/null +++ b/kolf/floater.cpp @@ -0,0 +1,277 @@ +#include <qlabel.h> +#include <qslider.h> + +#include <kconfig.h> + +#include "floater.h" + +void FloaterGuide::aboutToDelete() +{ + game->removeItem(floater); + aboutToDie(); + floater->aboutToDie(); + delete floater; + almostDead = true; +} + +void FloaterGuide::aboutToDie() +{ + if (almostDead) + return; + else + Wall::aboutToDie(); +} + +void FloaterGuide::moveBy(double dx, double dy) +{ + Wall::moveBy(dx, dy); + if (floater) + floater->reset(); +} + +void FloaterGuide::setPoints(int xa, int ya, int xb, int yb) +{ + if (fabs(xa - xb) > 0 || fabs(ya - yb) > 0) + { + Wall::setPoints(xa, ya, xb, yb); + if (floater) + floater->reset(); + } +} + +Config *FloaterGuide::config(QWidget *parent) +{ + return floater->config(parent); +} + +///////////////////////// + +Floater::Floater(QRect rect, QCanvas *canvas) + : Bridge(rect, canvas), speedfactor(16) +{ + wall = 0; + setEnabled(true); + noUpdateZ = false; + haventMoved = true; + wall = new FloaterGuide(this, canvas); + wall->setPoints(100, 100, 200, 200); + wall->setPen(QPen(wall->pen().color().light(), wall->pen().width() - 1)); + move(wall->endPoint().x(), wall->endPoint().y()); + + setTopWallVisible(false); + setBotWallVisible(false); + setLeftWallVisible(false); + setRightWallVisible(false); + + newSize(width(), height()); + moveBy(0, 0); + setSpeed(0); + + editModeChanged(false); + reset(); +} + +void Floater::setGame(KolfGame *game) +{ + Bridge::setGame(game); + + wall->setGame(game); +} + +void Floater::editModeChanged(bool changed) +{ + if (changed) + wall->editModeChanged(true); + Bridge::editModeChanged(changed); + wall->setVisible(changed); +} + +void Floater::advance(int phase) +{ + if (!isEnabled()) + return; + + Bridge::advance(phase); + + if (phase == 1 && (xVelocity() || yVelocity())) + { + if (Vector(origin, QPoint(x(), y())).magnitude() > vector.magnitude()) + { + vector.setDirection(vector.direction() + M_PI); + origin = (origin == wall->startPoint()? wall->endPoint() : wall->startPoint()); + + setVelocity(-xVelocity(), -yVelocity()); + } + } +} + +void Floater::reset() +{ + QPoint start = wall->startPoint() + QPoint(wall->x(), wall->y()); + QPoint end = wall->endPoint() + QPoint(wall->x(), wall->y()); + + vector = Vector(end, start); + origin = end; + + move(origin.x(), origin.y()); + setSpeed(speed); +} + +QPtrList<QCanvasItem> Floater::moveableItems() const +{ + QPtrList<QCanvasItem> ret(wall->moveableItems()); + ret.append(wall); + ret.append(point); + return ret; +} + +void Floater::aboutToDie() +{ + if (wall) + wall->setVisible(false); + Bridge::aboutToDie(); + setEnabled(false); +} + +void Floater::setSpeed(int news) +{ + if (!wall || news < 0) + return; + speed = news; + + if (news == 0) + { + setVelocity(0, 0); + return; + } + + const double factor = (double)speed / 3.5; + setVelocity(-cos(vector.direction()) * factor, -sin(vector.direction()) * factor); +} + +void Floater::aboutToSave() +{ + setVelocity(0, 0); + noUpdateZ = true; + move(wall->endPoint().x() + wall->x(), wall->endPoint().y() + wall->y()); + noUpdateZ = false; +} + +void Floater::savingDone() +{ + setSpeed(speed); +} + +void Floater::moveBy(double dx, double dy) +{ + if (!isEnabled()) + return; + + QCanvasItemList l = collisions(false); + for (QCanvasItemList::Iterator it = l.begin(); it != l.end(); ++it) + { + CanvasItem *item = dynamic_cast<CanvasItem *>(*it); + + if (!noUpdateZ && item && item->canBeMovedByOthers()) + item->updateZ(this); + + if ((*it)->z() >= z()) + { + if (item && item->canBeMovedByOthers() && collidesWith(*it)) + { + if ((*it)->rtti() == Rtti_Ball) + { + //((Ball *)(*it))->setState(Rolling); + (*it)->moveBy(dx, dy); + if (game && game->hasFocus() && !game->isEditing() && game->curBall() == (Ball *)(*it)) + game->ballMoved(); + } + else if ((*it)->rtti() != Rtti_Putter) + (*it)->moveBy(dx, dy); + } + } + } + + point->dontMove(); + point->move(x() + width(), y() + height()); + + // this call must come after we have tested for collisions, otherwise we skip them when saving! + // that's a bad thing + QCanvasRectangle::moveBy(dx, dy); + + // because we don't do Bridge::moveBy(); + topWall->move(x(), y()); + botWall->move(x(), y() - 1); + leftWall->move(x(), y()); + rightWall->move(x(), y()); + + if (game && game->isEditing()) + game->updateHighlighter(); +} + +void Floater::saveState(StateDB *db) +{ + db->setPoint(QPoint(x(), y())); +} + +void Floater::loadState(StateDB *db) +{ + const QPoint moveTo = db->point(); + move(moveTo.x(), moveTo.y()); +} + +void Floater::save(KConfig *cfg) +{ + cfg->writeEntry("speed", speed); + cfg->writeEntry("startPoint", QPoint(wall->startPoint().x() + wall->x(), wall->startPoint().y() + wall->y())); + cfg->writeEntry("endPoint", QPoint(wall->endPoint().x() + wall->x(), wall->endPoint().y() + wall->y())); + + doSave(cfg); +} + +void Floater::load(KConfig *cfg) +{ + move(firstPoint.x(), firstPoint.y()); + + QPoint start(wall->startPoint() + QPoint(wall->x(), wall->y())); + start = cfg->readPointEntry("startPoint", &start); + QPoint end(wall->endPoint() + QPoint(wall->x(), wall->y())); + end = cfg->readPointEntry("endPoint", &end); + wall->setPoints(start.x(), start.y(), end.x(), end.y()); + wall->move(0, 0); + + setSpeed(cfg->readNumEntry("speed", -1)); + + doLoad(cfg); + reset(); +} + +void Floater::firstMove(int x, int y) +{ + firstPoint = QPoint(x, y); +} + +///////////////////////// + +FloaterConfig::FloaterConfig(Floater *floater, QWidget *parent) + : BridgeConfig(floater, parent) +{ + this->floater = floater; + m_vlayout->addStretch(); + + m_vlayout->addWidget(new QLabel(i18n("Moving speed"), this)); + QHBoxLayout *hlayout = new QHBoxLayout(m_vlayout, spacingHint()); + hlayout->addWidget(new QLabel(i18n("Slow"), this)); + QSlider *slider = new QSlider(0, 20, 2, floater->curSpeed(), Qt::Horizontal, this); + hlayout->addWidget(slider); + hlayout->addWidget(new QLabel(i18n("Fast"), this)); + connect(slider, SIGNAL(valueChanged(int)), this, SLOT(speedChanged(int))); +} + +void FloaterConfig::speedChanged(int news) +{ + floater->setSpeed(news); + changed(); +} + +#include "floater.moc" |