C++ TileLayer::width方法代码示例

void StampBrush::endCapture()
{
    if (mBrushBehavior != Capture)
        return;

    mBrushBehavior = Free;

    TileLayer *tileLayer = currentTileLayer();
    Q_ASSERT(tileLayer);

    // Intersect with the layer and translate to layer coordinates
    QRect captured = capturedArea();
    captured &= QRect(tileLayer->x(), tileLayer->y(),
                      tileLayer->width(), tileLayer->height());

    if (captured.isValid()) {
        captured.translate(-tileLayer->x(), -tileLayer->y());
        Map *map = tileLayer->map();
        TileLayer *capture = tileLayer->copy(captured);
        Map *stamp = new Map(map->orientation(),
                             capture->width(),
                             capture->height(),
                             map->tileWidth(),
                             map->tileHeight());

        // Add tileset references to map
        foreach (const SharedTileset &tileset, capture->usedTilesets())
            stamp->addTileset(tileset);

        stamp->addLayer(capture);

        emit stampCaptured(TileStamp(stamp));
    } else {

void StampBrush::endCapture()
{
    if (mBrushBehavior != Capture)
        return;

    mBrushBehavior = Free;

    TileLayer *tileLayer = currentTileLayer();
    Q_ASSERT(tileLayer);

    // Intersect with the layer and translate to layer coordinates
    QRect captured = capturedArea();
    captured.intersect(QRect(tileLayer->x(), tileLayer->y(),
                             tileLayer->width(), tileLayer->height()));

    if (captured.isValid()) {
        captured.translate(-tileLayer->x(), -tileLayer->y());
        TileLayer *capture = tileLayer->copy(captured);
        emit currentTilesChanged(capture);
        // A copy will have been created, so delete this version
        delete capture;
    } else {
        updatePosition();
    }
}

/**
 * Returns a new stamp where all variations have been flipped in the given
 * \a direction.
 */
TileStamp TileStamp::flipped(FlipDirection direction) const
{
    TileStamp flipped(*this);
    flipped.d.detach();

    for (const TileStampVariation &variation : flipped.variations()) {
        TileLayer *layer = variation.tileLayer();

        if (variation.map->isStaggered()) {
            Map::StaggerAxis staggerAxis = variation.map->staggerAxis();

            if (staggerAxis == Map::StaggerY) {
                if ((direction == FlipVertically && !(layer->height() & 1)) || direction == FlipHorizontally)
                    variation.map->invertStaggerIndex();

            } else {
                if ((direction == FlipHorizontally && !(layer->width() & 1)) || direction == FlipVertically)
                    variation.map->invertStaggerIndex();
            }
        }

        if (variation.map->orientation() == Map::Hexagonal)
            layer->flipHexagonal(direction);
        else
            layer->flip(direction);
    }

    return flipped;
}

// Writer
bool DroidcraftPlugin::write(const Tiled::Map *map, const QString &fileName)
{
    using namespace Tiled;

    // Check layer count and type
    if (map->layerCount() != 1 || !map->layerAt(0)->isTileLayer()) {
        mError = tr("The map needs to have exactly one tile layer!");
        return false;
    }

    TileLayer *mapLayer = map->layerAt(0)->asTileLayer();

    // Check layer size
    if (mapLayer->width() != 48 || mapLayer->height() != 48) {
        mError = tr("The layer must have a size of 48 x 48 tiles!");
        return false;
    }

    // Create QByteArray and compress it
    QByteArray uncompressed = QByteArray(48 * 48, 0);

    const int width = mapLayer->width();
    const int height = mapLayer->height();

    for (int y = 0; y < height; ++y) {
        for (int x = 0; x < width; ++x) {
            if (Tile *tile = mapLayer->cellAt(x, y).tile)
                uncompressed[y * width + x] = (unsigned char) tile->id();
        }
    }

    QByteArray compressed = compress(uncompressed, Gzip);

    // Write QByteArray
    QFile file(fileName);
    if (!file.open(QIODevice::WriteOnly)) {
        mError = tr("Could not open file for writing.");
        return false;
    }

    file.write(compressed);
    file.close();

    return true;
}

static void fillWithStamp(TileLayer &layer,
                          const TileStamp &stamp,
                          const QRegion &mask)
{
    const QSize size = stamp.maxSize();

    // Fill the entire layer with random variations of the stamp
    for (int y = 0; y < layer.height(); y += size.height()) {
        for (int x = 0; x < layer.width(); x += size.width()) {
            const TileStampVariation variation = stamp.randomVariation();
            layer.setCells(x, y, variation.tileLayer());
        }
    }

    // Erase tiles outside of the masked region. This can easily be faster than
    // avoiding to place tiles outside of the region in the first place.
    layer.erase(QRegion(0, 0, layer.width(), layer.height()) - mask);
}

void StampBrush::endCapture()
{
    if (mBrushBehavior != Capture)
        return;

    mBrushBehavior = Free;

    TileLayer *tileLayer = currentTileLayer();
    Q_ASSERT(tileLayer);

    // Intersect with the layer and translate to layer coordinates
    QRect captured = capturedArea();
    captured &= QRect(tileLayer->x(), tileLayer->y(),
                      tileLayer->width(), tileLayer->height());

    if (captured.isValid()) {
        captured.translate(-tileLayer->x(), -tileLayer->y());
        Map *map = tileLayer->map();
        TileLayer *capture = tileLayer->copy(captured);
        Map *stamp = new Map(map->orientation(),
                             capture->width(),
                             capture->height(),
                             map->tileWidth(),
                             map->tileHeight());

        //gets if the relative stagger should be the same as the base layer
        int staggerIndexOffSet;
        if (tileLayer->map()->staggerAxis() == Map::StaggerX)
            staggerIndexOffSet = captured.x() % 2;
        else
            staggerIndexOffSet = captured.y() % 2;

        stamp->setStaggerAxis(map->staggerAxis());
        stamp->setStaggerIndex((Map::StaggerIndex)((map->staggerIndex() + staggerIndexOffSet) % 2));

        // Add tileset references to map
        foreach (const SharedTileset &tileset, capture->usedTilesets())
            stamp->addTileset(tileset);

        stamp->addLayer(capture);

        emit stampCaptured(TileStamp(stamp));
    } else {

TileLayer *VariantToMapConverter::toTileLayer(const QVariantMap &variantMap)
{
    const QString name = variantMap["name"].toString();
    const int width = variantMap["width"].toInt();
    const int height = variantMap["height"].toInt();
    const QVariantList dataVariantList = variantMap["data"].toList();

    if (dataVariantList.size() != width * height) {
        mError = tr("Corrupt layer data for layer '%1'").arg(name);
        return 0;
    }

    TileLayer *tileLayer = new TileLayer(name,
                                         variantMap["x"].toInt(),
                                         variantMap["y"].toInt(),
                                         width, height);

    const qreal opacity = variantMap["opacity"].toReal();
    const bool visible = variantMap["visible"].toBool();

    tileLayer->setOpacity(opacity);
    tileLayer->setVisible(visible);

    int x = 0;
    int y = 0;
    bool ok;

    foreach (const QVariant &gidVariant, dataVariantList) {
        const uint gid = gidVariant.toUInt(&ok);
        if (!ok) {
            mError = tr("Unable to parse tile at (%1,%2) on layer '%3'")
                    .arg(x).arg(y).arg(tileLayer->name());

            delete tileLayer;
            tileLayer = 0;
            break;
        }

        const Cell cell = mGidMapper.gidToCell(gid, ok);

        tileLayer->setCell(x, y, cell);

        x++;
        if (x >= tileLayer->width()) {
            x = 0;
            y++;
        }
    }

    return tileLayer;
}

void BucketFillTool::updateRandomList()
{
    mRandomList.clear();
    mMissingTilesets.clear();

    foreach (const TileStampVariation &variation, mStamp.variations()) {
        TileLayer *tileLayer = static_cast<TileLayer*>(variation.map->layerAt(0));
        mapDocument()->unifyTilesets(variation.map, mMissingTilesets);
        for (int x = 0; x < tileLayer->width(); x++)
            for (int y = 0; y < tileLayer->height(); y++)
                if (!tileLayer->cellAt(x, y).isEmpty())
                    mRandomList.append(tileLayer->cellAt(x, y));
    }
}

/**
 * Returns a new stamp where all variations have been rotated in the given
 * \a direction.
 */
TileStamp TileStamp::rotated(RotateDirection direction) const
{
    TileStamp rotated(*this);
    rotated.d.detach();

    foreach (const TileStampVariation &variation, rotated.variations()) {
        TileLayer *layer = static_cast<TileLayer*>(variation.map->layerAt(0));
        layer->rotate(direction);

        variation.map->setWidth(layer->width());
        variation.map->setHeight(layer->height());
    }

    return rotated;
}

void TerrainBrush::updateBrush(QPoint cursorPos, const QVector<QPoint> *list)
{
    // get the current tile layer
    TileLayer *currentLayer = currentTileLayer();
    Q_ASSERT(currentLayer);

    int layerWidth = currentLayer->width();
    int layerHeight = currentLayer->height();
    int numTiles = layerWidth * layerHeight;
    int paintCorner = 0;

    // if we are in vertex paint mode, the bottom right corner on the map will appear as an invalid tile offset...
    if (mBrushMode == PaintVertex) {
        if (cursorPos.x() == layerWidth) {
            cursorPos.setX(cursorPos.x() - 1);
            paintCorner |= 1;
        }
        if (cursorPos.y() == layerHeight) {
            cursorPos.setY(cursorPos.y() - 1);
            paintCorner |= 2;
        }
    }

    // if the cursor is outside of the map, bail out
    if (!currentLayer->bounds().contains(cursorPos))
        return;

    // TODO: this seems like a problem... there's nothing to say that 2 adjacent tiles are from the same tileset, or have any relation to eachother...
    Tileset *terrainTileset = mTerrain ? mTerrain->tileset() : NULL;

    // allocate a buffer to build the terrain tilemap (TODO: this could be retained per layer to save regular allocation)
    Tile **newTerrain = new Tile*[numTiles];

    // allocate a buffer of flags for each tile that may be considered (TODO: this could be retained per layer to save regular allocation)
    char *checked = new char[numTiles];
    memset(checked, 0, numTiles);

    // create a consideration list, and push the start points
    QList<QPoint> transitionList;
    int initialTiles = 0;

    if (list) {
        // if we were supplied a list of start points
        foreach (const QPoint &p, *list) {
            transitionList.push_back(p);
            ++initialTiles;
        }
    } else {

/**
 * Returns a new stamp where all variations have been rotated in the given
 * \a direction.
 */
TileStamp TileStamp::rotated(RotateDirection direction) const
{
    TileStamp rotated(*this);
    rotated.d.detach();

    for (const TileStampVariation &variation : rotated.variations()) {
        TileLayer *layer = variation.tileLayer();
        if (variation.map->orientation() == Map::Hexagonal)
            layer->rotateHexagonal(direction, variation.map);
        else
            layer->rotate(direction);

        variation.map->setWidth(layer->width());
        variation.map->setHeight(layer->height());
    }

    return rotated;
}

/**
 * Updates the list used random stamps.
 * This is done by taking all non-null tiles from the original stamp mStamp.
 */
void StampBrush::updateRandomList()
{
    mRandomCellPicker.clear();
    mMissingTilesets.clear();

    if (mStamp.isEmpty())
        return;

    foreach (const TileStampVariation &variation, mStamp.variations()) {
        TileLayer *tileLayer = static_cast<TileLayer*>(variation.map->layerAt(0));
        mapDocument()->unifyTilesets(variation.map, mMissingTilesets);
        for (int x = 0; x < tileLayer->width(); x++) {
            for (int y = 0; y < tileLayer->height(); y++) {
                const Cell &cell = tileLayer->cellAt(x, y);
                if (!cell.isEmpty())
                    mRandomCellPicker.add(cell, cell.tile->probability());
            }
        }
    }
}

/**
 * Updates the list used random stamps.
 * This is done by taking all non-null tiles from the original stamp mStamp.
 */
void StampBrush::updateRandomList()
{
    mRandomCellPicker.clear();

    if (!mIsRandom)
        return;

    mMissingTilesets.clear();

    for (const TileStampVariation &variation : mStamp.variations()) {
        mapDocument()->unifyTilesets(variation.map, mMissingTilesets);
        TileLayer *tileLayer = variation.tileLayer();
        for (int x = 0; x < tileLayer->width(); x++) {
            for (int y = 0; y < tileLayer->height(); y++) {
                const Cell &cell = tileLayer->cellAt(x, y);
                if (const Tile *tile = cell.tile())
                    mRandomCellPicker.add(cell, tile->probability());
            }
        }
    }
}

void StampBrush::doPaint(bool mergeable, int whereX, int whereY)
{
    TileLayer *stamp = brushItem()->tileLayer();

    if (!stamp)
        return;

    // This method shouldn't be called when current layer is not a tile layer
    TileLayer *tileLayer = currentTileLayer();
    Q_ASSERT(tileLayer);

    if (!tileLayer->bounds().intersects(QRect(whereX, whereY,
                                              stamp->width(),
                                              stamp->height())))
        return;

    PaintTileLayer *paint = new PaintTileLayer(mapDocument(), tileLayer,
                            whereX, whereY, stamp);
    paint->setMergeable(mergeable);
    mapDocument()->undoStack()->push(paint);
    mapDocument()->emitRegionEdited(brushItem()->tileRegion(), tileLayer);
}

void test_MapReader::loadMap()
{
    MapReader reader;
    Map *map = reader.readMap("../data/mapobject.tmx");

    // TODO: Also test tilesets (internal and external), properties and tile
    // layer data.

    QVERIFY(map);
    QCOMPARE(map->layerCount(), 2);
    QCOMPARE(map->width(), 100);
    QCOMPARE(map->height(), 80);
    QCOMPARE(map->tileWidth(), 32);
    QCOMPARE(map->tileHeight(), 32);

    TileLayer *tileLayer = dynamic_cast<TileLayer*>(map->layerAt(0));

    QVERIFY(tileLayer);
    QCOMPARE(tileLayer->width(), 100);
    QCOMPARE(tileLayer->height(), 80);

    ObjectGroup *objectGroup = dynamic_cast<ObjectGroup*>(map->layerAt(1));

    QVERIFY(objectGroup);
    QCOMPARE(objectGroup->name(), QLatin1String("Objects"));
    QCOMPARE(objectGroup->objects().count(), 1);

    MapObject *mapObject = objectGroup->objects().at(0);

    QCOMPARE(mapObject->name(), QLatin1String("Some object"));
    QCOMPARE(mapObject->type(), QLatin1String("WARP"));
    QCOMPARE(mapObject->x(), qreal(200));
    QCOMPARE(mapObject->y(), qreal(200));
    QCOMPARE(mapObject->width(), qreal(128));
    QCOMPARE(mapObject->height(), qreal(64));
}