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#include <mbgl/map/vector_tile_data.hpp>
#include <mbgl/map/tile_parser.hpp>
#include <mbgl/util/std.hpp>
#include <mbgl/map/map.hpp>
#include <mbgl/style/style_layer.hpp>
#include <mbgl/style/style_bucket.hpp>
#include <mbgl/geometry/glyph_atlas.hpp>
using namespace mbgl;
VectorTileData::VectorTileData(Tile::ID const& id_, Map &map_,
GlyphAtlas& glyphAtlas_, GlyphStore& glyphStore_,
SpriteAtlas& spriteAtlas_,
const util::ptr<SourceInfo> &source_)
: TileData(id_, map_, source_),
glyphAtlas(glyphAtlas_),
glyphStore(glyphStore_),
spriteAtlas(spriteAtlas_),
depth(id.z >= source->max_zoom ? map.getMaxZoom() - id.z : 1) {
}
VectorTileData::~VectorTileData() {
glyphAtlas.removeGlyphs(id.to_uint64());
}
void VectorTileData::parse() {
if (state != State::loaded) {
return;
}
try {
// Parsing creates state that is encapsulated in TileParser. While parsing,
// the TileParser object writes results into this objects. All other state
// is going to be discarded afterwards.
TileParser parser(data, *this, map.getStyle(),
glyphAtlas, glyphStore,
spriteAtlas, map.getSprite());
parser.parse();
} catch (const std::exception& ex) {
#if defined(DEBUG)
fprintf(stderr, "[%p] exception [%d/%d/%d]... failed: %s\n", this, id.z, id.x, id.y, ex.what());
#endif
cancel();
return;
}
if (state != State::obsolete) {
state = State::parsed;
}
}
void VectorTileData::render(Painter &painter, util::ptr<StyleLayer> layer_desc, const mat4 &matrix) {
if (state == State::parsed && layer_desc->bucket) {
auto databucket_it = buckets.find(layer_desc->bucket->name);
if (databucket_it != buckets.end()) {
assert(databucket_it->second);
databucket_it->second->render(painter, layer_desc, id, matrix);
}
}
}
bool VectorTileData::hasData(StyleLayer const& layer_desc) const {
if (state == State::parsed && layer_desc.bucket) {
auto databucket_it = buckets.find(layer_desc.bucket->name);
if (databucket_it != buckets.end()) {
assert(databucket_it->second);
return databucket_it->second->hasData();
}
}
return false;
}
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