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