porymap/src/ui/metatilelayersitem.cpp
2024-10-16 11:57:47 -04:00

140 lines
4.5 KiB
C++

#include "config.h"
#include "metatilelayersitem.h"
#include "imageproviders.h"
#include <QPainter>
static const QList<QPoint> tilePositions = {
QPoint(0, 0),
QPoint(1, 0),
QPoint(0, 1),
QPoint(1, 1),
QPoint(2, 0),
QPoint(3, 0),
QPoint(2, 1),
QPoint(3, 1),
QPoint(4, 0),
QPoint(5, 0),
QPoint(4, 1),
QPoint(5, 1),
};
void MetatileLayersItem::draw() {
const int numLayers = projectConfig.getNumLayersInMetatile();
QPixmap pixmap(numLayers * 32, 32);
QPainter painter(&pixmap);
// Draw tile images
int numTiles = qMin(projectConfig.getNumTilesInMetatile(), this->metatile ? this->metatile->tiles.length() : 0);
for (int i = 0; i < numTiles; i++) {
Tile tile = this->metatile->tiles.at(i);
QImage tileImage = getPalettedTileImage(tile.tileId, this->primaryTileset, this->secondaryTileset, tile.palette, true)
.mirrored(tile.xflip, tile.yflip)
.scaled(16, 16);
painter.drawImage(tilePositions.at(i) * 16, tileImage);
}
if (this->showGrid) {
// Draw grid
painter.setPen(Qt::white);
for (int i = 1; i < numLayers; i++) {
int x = i * 32;
painter.drawLine(x, 0, x, 32);
}
}
this->setPixmap(pixmap);
}
void MetatileLayersItem::setMetatile(Metatile *metatile) {
this->metatile = metatile;
this->clearLastModifiedCoords();
this->clearLastHoveredCoords();
}
void MetatileLayersItem::setTilesets(Tileset *primaryTileset, Tileset *secondaryTileset) {
this->primaryTileset = primaryTileset;
this->secondaryTileset = secondaryTileset;
this->draw();
this->clearLastModifiedCoords();
this->clearLastHoveredCoords();
}
void MetatileLayersItem::mousePressEvent(QGraphicsSceneMouseEvent *event) {
if (event->buttons() & Qt::RightButton) {
SelectablePixmapItem::mousePressEvent(event);
QPoint selectionOrigin = this->getSelectionStart();
QPoint dimensions = this->getSelectionDimensions();
emit this->selectedTilesChanged(selectionOrigin, dimensions.x(), dimensions.y());
this->drawSelection();
} else {
const QPoint pos = this->getBoundedPos(event->pos());
this->prevChangedPos = pos;
this->clearLastHoveredCoords();
emit this->tileChanged(pos.x(), pos.y());
}
}
void MetatileLayersItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
if (event->buttons() & Qt::RightButton) {
SelectablePixmapItem::mouseMoveEvent(event);
QPoint selectionOrigin = this->getSelectionStart();
QPoint dimensions = this->getSelectionDimensions();
emit this->selectedTilesChanged(selectionOrigin, dimensions.x(), dimensions.y());
this->drawSelection();
} else {
const QPoint pos = this->getBoundedPos(event->pos());
if (prevChangedPos != pos) {
this->prevChangedPos = pos;
this->clearLastHoveredCoords();
emit this->tileChanged(pos.x(), pos.y());
}
}
}
void MetatileLayersItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
if (event->buttons() & Qt::RightButton) {
SelectablePixmapItem::mouseReleaseEvent(event);
QPoint selectionOrigin = this->getSelectionStart();
QPoint dimensions = this->getSelectionDimensions();
emit this->selectedTilesChanged(selectionOrigin, dimensions.x(), dimensions.y());
}
this->draw();
}
void MetatileLayersItem::hoverMoveEvent(QGraphicsSceneHoverEvent * event) {
const QPoint pos = this->getBoundedPos(event->pos());
if (pos == this->prevHoveredPos)
return;
this->prevHoveredPos = pos;
int tileIndex = tilePositions.indexOf(pos);
if (tileIndex < 0 || tileIndex >= this->metatile->tiles.length())
return;
emit this->hoveredTileChanged(this->metatile->tiles.at(tileIndex).tileId);
}
void MetatileLayersItem::hoverLeaveEvent(QGraphicsSceneHoverEvent *) {
this->clearLastHoveredCoords();
emit this->hoveredTileCleared();
}
void MetatileLayersItem::clearLastModifiedCoords() {
this->prevChangedPos = QPoint(-1, -1);
}
void MetatileLayersItem::clearLastHoveredCoords() {
this->prevHoveredPos = QPoint(-1, -1);
}
QPoint MetatileLayersItem::getBoundedPos(const QPointF &pos) {
int x, y;
int maxX = (projectConfig.getNumLayersInMetatile() * 2) - 1;
x = static_cast<int>(pos.x()) / 16;
y = static_cast<int>(pos.y()) / 16;
if (x < 0) x = 0;
if (y < 0) y = 0;
if (x > maxX) x = maxX;
if (y > 1) y = 1;
return QPoint(x, y);
}