porymap/src/ui/tileseteditormetatileselector.cpp

134 lines
5.2 KiB
C++

#include "tileseteditormetatileselector.h"
#include "imageproviders.h"
#include "project.h"
#include <QPainter>
void TilesetEditorMetatileSelector::draw() {
if (!this->primaryTileset || !this->primaryTileset->metatiles
|| !this->secondaryTileset || !this->secondaryTileset->metatiles) {
this->setPixmap(QPixmap());
}
int primaryLength = this->primaryTileset->metatiles->length();
int length_ = primaryLength + this->secondaryTileset->metatiles->length();
int height_ = length_ / this->numMetatilesWide;
if (length_ % this->numMetatilesWide != 0) {
height_++;
}
QImage image(this->numMetatilesWide * 32, height_ * 32, QImage::Format_RGBA8888);
image.fill(Qt::magenta);
QPainter painter(&image);
for (int i = 0; i < length_; i++) {
int tile = i;
if (i >= primaryLength) {
tile += Project::getNumMetatilesPrimary() - primaryLength;
}
QImage metatile_image = getMetatileImage(
tile,
this->primaryTileset,
this->secondaryTileset,
map->metatileLayerOrder,
map->metatileLayerOpacity,
true)
.scaled(32, 32);
int map_y = i / this->numMetatilesWide;
int map_x = i % this->numMetatilesWide;
QPoint metatile_origin = QPoint(map_x * 32, map_y * 32);
painter.drawImage(metatile_origin, metatile_image);
}
painter.end();
this->setPixmap(QPixmap::fromImage(image));
this->drawSelection();
}
bool TilesetEditorMetatileSelector::select(uint16_t metatileId) {
if (!Tileset::metatileIsValid(metatileId, this->primaryTileset, this->secondaryTileset)) return false;
QPoint coords = this->getMetatileIdCoords(metatileId);
SelectablePixmapItem::select(coords.x(), coords.y(), 0, 0);
this->selectedMetatile = metatileId;
emit selectedMetatileChanged(metatileId);
return true;
}
void TilesetEditorMetatileSelector::setTilesets(Tileset *primaryTileset, Tileset *secondaryTileset) {
this->primaryTileset = primaryTileset;
this->secondaryTileset = secondaryTileset;
this->draw();
}
void TilesetEditorMetatileSelector::updateSelectedMetatile() {
QPoint origin = this->getSelectionStart();
uint16_t metatileId = this->getMetatileId(origin.x(), origin.y());
if (Tileset::metatileIsValid(metatileId, this->primaryTileset, this->secondaryTileset))
this->selectedMetatile = metatileId;
else
this->selectedMetatile = Project::getNumMetatilesPrimary() + this->secondaryTileset->metatiles->length() - 1;
emit selectedMetatileChanged(this->selectedMetatile);
}
uint16_t TilesetEditorMetatileSelector::getSelectedMetatile() {
return this->selectedMetatile;
}
uint16_t TilesetEditorMetatileSelector::getMetatileId(int x, int y) {
int index = y * this->numMetatilesWide + x;
if (index < this->primaryTileset->metatiles->length()) {
return static_cast<uint16_t>(index);
} else {
return static_cast<uint16_t>(Project::getNumMetatilesPrimary() + index - this->primaryTileset->metatiles->length());
}
}
bool TilesetEditorMetatileSelector::shouldAcceptEvent(QGraphicsSceneMouseEvent *event) {
QPoint pos = this->getCellPos(event->pos());
return Tileset::metatileIsValid(getMetatileId(pos.x(), pos.y()), this->primaryTileset, this->secondaryTileset);
}
void TilesetEditorMetatileSelector::mousePressEvent(QGraphicsSceneMouseEvent *event) {
if (!shouldAcceptEvent(event)) return;
SelectablePixmapItem::mousePressEvent(event);
this->updateSelectedMetatile();
}
void TilesetEditorMetatileSelector::mouseMoveEvent(QGraphicsSceneMouseEvent *event) {
if (!shouldAcceptEvent(event)) return;
SelectablePixmapItem::mouseMoveEvent(event);
this->updateSelectedMetatile();
emit hoveredMetatileChanged(this->selectedMetatile);
}
void TilesetEditorMetatileSelector::mouseReleaseEvent(QGraphicsSceneMouseEvent *event) {
if (!shouldAcceptEvent(event)) return;
SelectablePixmapItem::mouseReleaseEvent(event);
this->updateSelectedMetatile();
}
void TilesetEditorMetatileSelector::hoverMoveEvent(QGraphicsSceneHoverEvent *event) {
QPoint pos = this->getCellPos(event->pos());
uint16_t metatileId = this->getMetatileId(pos.x(), pos.y());
emit this->hoveredMetatileChanged(metatileId);
}
void TilesetEditorMetatileSelector::hoverLeaveEvent(QGraphicsSceneHoverEvent*) {
emit this->hoveredMetatileCleared();
}
QPoint TilesetEditorMetatileSelector::getMetatileIdCoords(uint16_t metatileId) {
if (!Tileset::metatileIsValid(metatileId, this->primaryTileset, this->secondaryTileset))
{
// Invalid metatile id.
return QPoint(0, 0);
}
int index = metatileId < Project::getNumMetatilesPrimary()
? metatileId
: metatileId - Project::getNumMetatilesPrimary() + this->primaryTileset->metatiles->length();
return QPoint(index % this->numMetatilesWide, index / this->numMetatilesWide);
}
QPoint TilesetEditorMetatileSelector::getMetatileIdCoordsOnWidget(uint16_t metatileId) {
QPoint pos = getMetatileIdCoords(metatileId);
pos.rx() = (pos.x() * this->cellWidth) + (this->cellWidth / 2);
pos.ry() = (pos.y() * this->cellHeight) + (this->cellHeight / 2);
return pos;
}