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#include <mbgl/tile/geometry_tile.hpp>
#include <mbgl/tile/geometry_tile_worker.hpp>
#include <mbgl/tile/geometry_tile_data.hpp>
#include <mbgl/tile/tile_observer.hpp>
#include <mbgl/style/update_parameters.hpp>
#include <mbgl/style/layer_impl.hpp>
#include <mbgl/style/layers/background_layer.hpp>
#include <mbgl/style/layers/custom_layer.hpp>
#include <mbgl/style/layers/symbol_layer.hpp>
#include <mbgl/style/style.hpp>
#include <mbgl/storage/file_source.hpp>
#include <mbgl/geometry/feature_index.hpp>
#include <mbgl/text/collision_tile.hpp>
#include <mbgl/map/transform_state.hpp>
#include <mbgl/map/query.hpp>
#include <mbgl/util/run_loop.hpp>
#include <mbgl/style/filter_evaluator.hpp>
#include <mbgl/style/query.hpp>
#include <mbgl/util/logging.hpp>
namespace mbgl {
using namespace style;
GeometryTile::GeometryTile(const OverscaledTileID& id_,
std::string sourceID_,
const style::UpdateParameters& parameters)
: Tile(id_),
sourceID(std::move(sourceID_)),
style(parameters.style),
mailbox(std::make_shared<Mailbox>(*util::RunLoop::Get())),
worker(parameters.workerScheduler,
ActorRef<GeometryTile>(*this, mailbox),
id_,
obsolete,
parameters.mode),
glyphAtlas(*parameters.style.glyphAtlas) {
}
GeometryTile::~GeometryTile() {
glyphAtlas.removeGlyphs(*this);
cancel();
}
void GeometryTile::cancel() {
obsolete = true;
}
void GeometryTile::setError(std::exception_ptr err) {
observer->onTileError(*this, err);
}
void GeometryTile::setData(std::unique_ptr<const GeometryTileData> data_) {
// Mark the tile as pending again if it was complete before to prevent signaling a complete
// state despite pending parse operations.
if (availableData == DataAvailability::All) {
availableData = DataAvailability::Some;
}
++correlationID;
worker.invoke(&GeometryTileWorker::setData, std::move(data_), correlationID);
redoLayout();
}
void GeometryTile::setPlacementConfig(const PlacementConfig& desiredConfig) {
if (requestedConfig == desiredConfig) {
return;
}
// Mark the tile as pending again if it was complete before to prevent signaling a complete
// state despite pending parse operations.
if (availableData == DataAvailability::All) {
availableData = DataAvailability::Some;
}
++correlationID;
requestedConfig = desiredConfig;
worker.invoke(&GeometryTileWorker::setPlacementConfig, desiredConfig, correlationID);
}
void GeometryTile::symbolDependenciesChanged() {
worker.invoke(&GeometryTileWorker::symbolDependenciesChanged);
}
void GeometryTile::redoLayout() {
// Mark the tile as pending again if it was complete before to prevent signaling a complete
// state despite pending parse operations.
if (availableData == DataAvailability::All) {
availableData = DataAvailability::Some;
}
std::vector<std::unique_ptr<Layer>> copy;
for (const Layer* layer : style.getLayers()) {
// Avoid cloning and including irrelevant layers.
if (layer->is<BackgroundLayer>() ||
layer->is<CustomLayer>() ||
layer->baseImpl->source != sourceID ||
id.overscaledZ < std::floor(layer->baseImpl->minZoom) ||
id.overscaledZ >= std::ceil(layer->baseImpl->maxZoom) ||
layer->baseImpl->visibility == VisibilityType::None) {
continue;
}
copy.push_back(layer->baseImpl->clone());
}
++correlationID;
worker.invoke(&GeometryTileWorker::setLayers, std::move(copy), correlationID);
}
void GeometryTile::onLayout(LayoutResult result) {
availableData = DataAvailability::Some;
nonSymbolBuckets = std::move(result.nonSymbolBuckets);
featureIndex = std::move(result.featureIndex);
data = std::move(result.tileData);
collisionTile.reset();
observer->onTileChanged(*this);
}
void GeometryTile::onPlacement(PlacementResult result) {
if (result.correlationID == correlationID) {
availableData = DataAvailability::All;
}
symbolBuckets = std::move(result.symbolBuckets);
collisionTile = std::move(result.collisionTile);
observer->onTileChanged(*this);
}
void GeometryTile::onError(std::exception_ptr err) {
availableData = DataAvailability::All;
observer->onTileError(*this, err);
}
void GeometryTile::onGlyphsAvailable(GlyphPositionMap glyphPositions) {
worker.invoke(&GeometryTileWorker::onGlyphsAvailable, std::move(glyphPositions));
}
void GeometryTile::getGlyphs(GlyphDependencies glyphDependencies) {
glyphAtlas.getGlyphs(*this, std::move(glyphDependencies));
}
Bucket* GeometryTile::getBucket(const Layer& layer) {
const auto& buckets = layer.is<SymbolLayer>() ? symbolBuckets : nonSymbolBuckets;
const auto it = buckets.find(layer.baseImpl->id);
if (it == buckets.end()) {
return nullptr;
}
assert(it->second);
return it->second.get();
}
void GeometryTile::queryRenderedFeatures(
std::unordered_map<std::string, std::vector<Feature>>& result,
const GeometryCoordinates& queryGeometry,
const TransformState& transformState,
const RenderedQueryOptions& options) {
if (!featureIndex || !data) return;
featureIndex->query(result,
queryGeometry,
transformState.getAngle(),
util::tileSize * id.overscaleFactor(),
std::pow(2, transformState.getZoom() - id.overscaledZ),
options,
*data,
id.canonical,
style,
collisionTile.get());
}
void GeometryTile::querySourceFeatures(
std::vector<Feature>& result,
const style::SourceQueryOptions& options) {
// No source layers, specified, nothing to do
if (!options.sourceLayers) {
Log::Warning(Event::General, "At least one sourceLayer required");
return;
}
for (auto sourceLayer : *options.sourceLayers) {
// Go throught all sourceLayers, if any
// to gather all the features
auto layer = data->getLayer(sourceLayer);
if (layer) {
auto featureCount = layer->featureCount();
for (std::size_t i = 0; i < featureCount; i++) {
auto feature = layer->getFeature(i);
// Apply filter, if any
if (options.filter && !(*options.filter)(*feature)) {
continue;
}
result.push_back(convertFeature(*feature, id.canonical));
}
}
}
}
} // namespace mbgl
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