porymap/src/ui/draggablepixmapitem.cpp
2024-08-30 23:32:46 -04:00

129 lines
4.9 KiB
C++

#include "draggablepixmapitem.h"
#include "editor.h"
#include "editcommands.h"
#include "mapruler.h"
#include "metatile.h"
static unsigned currentActionId = 0;
void DraggablePixmapItem::updatePosition() {
int x = event->getPixelX();
int y = event->getPixelY();
setX(x);
setY(y);
if (editor->selected_events && editor->selected_events->contains(this)) {
setZValue(event->getY() + 1);
} else {
setZValue(event->getY());
}
editor->updateWarpEventWarning(event);
}
void DraggablePixmapItem::emitPositionChanged() {
emit xChanged(event->getX());
emit yChanged(event->getY());
emit elevationChanged(event->getElevation());
}
void DraggablePixmapItem::updatePixmap() {
editor->project->setEventPixmap(event, true);
this->updatePosition();
editor->redrawObject(this);
emit spriteChanged(event->getPixmap());
}
void DraggablePixmapItem::mousePressEvent(QGraphicsSceneMouseEvent *mouse) {
if (this->active)
return;
this->active = true;
this->lastPos = Metatile::coordFromPixmapCoord(mouse->scenePos());
bool selectionToggle = mouse->modifiers() & Qt::ControlModifier;
if (selectionToggle || !editor->selected_events->contains(this)) {
// User is either toggling this selection on/off as part of a group selection,
// or they're newly selecting just this item.
this->editor->selectMapEvent(this, selectionToggle);
} else {
// This item is already selected and the user isn't toggling the selection, so there are 4 possibilities:
// 1. This is the only selected event, and the selection is pointless.
// 2. This is the only selected event, and they want to drag the item around.
// 3. There's a group selection, and they want to start a new selection with just this item.
// 4. There's a group selection, and they want to drag the group around.
// 'selectMapEvent' will immediately clear the rest of the selection, which supports #1-3 but prevents #4.
// To support #4 we set the flag below, and we only call 'selectMapEvent' on mouse release if no move occurred.
this->releaseSelectionQueued = true;
}
this->editor->selectingEvent = true;
}
void DraggablePixmapItem::move(int dx, int dy) {
event->setX(event->getX() + dx);
event->setY(event->getY() + dy);
updatePosition();
emitPositionChanged();
}
void DraggablePixmapItem::moveTo(const QPoint &pos) {
event->setX(pos.x());
event->setY(pos.y());
updatePosition();
emitPositionChanged();
}
void DraggablePixmapItem::mouseMoveEvent(QGraphicsSceneMouseEvent *mouse) {
if (!this->active)
return;
QPoint pos = Metatile::coordFromPixmapCoord(mouse->scenePos());
if (pos == this->lastPos)
return;
QPoint moveDistance = pos - this->lastPos;
this->lastPos = pos;
emit this->editor->map_item->hoveredMapMetatileChanged(pos);
QList <Event *> selectedEvents;
if (editor->selected_events->contains(this)) {
for (DraggablePixmapItem *item : *editor->selected_events) {
selectedEvents.append(item->event);
}
} else {
selectedEvents.append(this->event);
}
editor->map->editHistory.push(new EventMove(selectedEvents, moveDistance.x(), moveDistance.y(), currentActionId));
this->releaseSelectionQueued = false;
}
void DraggablePixmapItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *mouse) {
if (!this->active)
return;
this->active = false;
currentActionId++;
if (this->releaseSelectionQueued) {
this->releaseSelectionQueued = false;
if (Metatile::coordFromPixmapCoord(mouse->scenePos()) == this->lastPos)
this->editor->selectMapEvent(this);
}
}
void DraggablePixmapItem::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *) {
Event::Type eventType = this->event->getEventType();
if (eventType == Event::Type::Warp) {
WarpEvent *warp = dynamic_cast<WarpEvent *>(this->event);
QString destMap = warp->getDestinationMap();
int warpId = ParseUtil::gameStringToInt(warp->getDestinationWarpID());
emit editor->warpEventDoubleClicked(destMap, warpId, Event::Group::Warp);
}
else if (eventType == Event::Type::CloneObject) {
CloneObjectEvent *clone = dynamic_cast<CloneObjectEvent *>(this->event);
emit editor->warpEventDoubleClicked(clone->getTargetMap(), clone->getTargetID(), Event::Group::Object);
}
else if (eventType == Event::Type::SecretBase) {
const QString mapPrefix = projectConfig.getIdentifier(ProjectIdentifier::define_map_prefix);
SecretBaseEvent *base = dynamic_cast<SecretBaseEvent *>(this->event);
QString baseId = base->getBaseID();
QString destMap = editor->project->mapConstantsToMapNames.value(mapPrefix + baseId.left(baseId.lastIndexOf("_")));
emit editor->warpEventDoubleClicked(destMap, 0, Event::Group::Warp);
}
}