77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
#include "tilemaptileselector.h"
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#include <QDebug>
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void TilemapTileSelector::draw() {
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size_t width_ = this->tilemap.width();
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this->pixelWidth = width_;
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size_t height_ = this->tilemap.height();
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this->pixelHeight = height_;
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size_t ntiles_ = (width_/8) * (height_/8);
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this->numTilesWide = width_ / 8;
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this->numTiles = ntiles_;
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this->setPixmap(tilemap);
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this->drawSelection();
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}
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void TilemapTileSelector::select(unsigned tileId) {
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QPoint coords = this->getTileIdCoords(tileId);
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SelectablePixmapItem::select(coords.x(), coords.y(), 0, 0);
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this->selectedTile = tileId;
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emit selectedTileChanged(tileId);
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}
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void TilemapTileSelector::updateSelectedTile() {
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QPoint origin = this->getSelectionStart();
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this->selectedTile = this->getTileId(origin.x(), origin.y());
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}
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unsigned TilemapTileSelector::getSelectedTile() {
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return this->selectedTile;
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}
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unsigned TilemapTileSelector::getTileId(int x, int y) {
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unsigned index = y * this->numTilesWide + x;
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return index < this->numTiles ? index : this->numTiles % index;
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}
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QPoint TilemapTileSelector::getTileIdCoords(unsigned tileId) {
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int index = tileId < this->numTiles ? tileId : this->numTiles % tileId;
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return QPoint(index % this->numTilesWide, index / this->numTilesWide);
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}
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QImage TilemapTileSelector::tileImg(unsigned tileId) {
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QPoint pos = getTileIdCoords(tileId);
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return this->tilemap.copy(pos.x() * 8, pos.y() * 8, 8, 8).toImage();
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}
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void TilemapTileSelector::mousePressEvent(QGraphicsSceneMouseEvent *event) {
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SelectablePixmapItem::mousePressEvent(event);
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this->updateSelectedTile();
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emit selectedTileChanged(this->selectedTile);
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}
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void TilemapTileSelector::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
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SelectablePixmapItem::mouseMoveEvent(event);
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this->updateSelectedTile();
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emit hoveredTileChanged(this->selectedTile);
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emit selectedTileChanged(this->selectedTile);
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}
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void TilemapTileSelector::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
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SelectablePixmapItem::mouseReleaseEvent(event);
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this->updateSelectedTile();
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emit selectedTileChanged(this->selectedTile);
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}
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void TilemapTileSelector::hoverMoveEvent(QGraphicsSceneHoverEvent *event) {
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QPoint pos = this->getCellPos(event->pos());
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unsigned tileId = this->getTileId(pos.x(), pos.y());
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emit this->hoveredTileChanged(tileId);
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}
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void TilemapTileSelector::hoverLeaveEvent(QGraphicsSceneHoverEvent *) {
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emit this->hoveredTileCleared();
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}
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