void Style::addData(TileData& _data, MapTile& _tile, const MapProjection& _mapProjection) {
onBeginBuildTile(_tile);
std::shared_ptr<VboMesh> mesh(newMesh());
for (auto& layer : _data.layers) {
// Skip any layers that this style doesn't have a rule for
auto it = m_layers.begin();
while (it != m_layers.end() && it->first != layer.name) { ++it; }
if (it == m_layers.end()) { continue; }
// Loop over all features
for (auto& feature : layer.features) {
/*
* TODO: do filter evaluation for each feature for sublayer!
* construct a unique ID for a the set of filters matched
* use this ID pass to the style's parseStyleParams method to construct styleParam cache
* NOTE: for the time being use layerName as ID for cache
*/
feature.props.numericProps["zoom"] = _tile.getID().z;
switch (feature.geometryType) {
case GeometryType::POINTS:
// Build points
for (auto& point : feature.points) {
buildPoint(point, parseStyleParams(it->first, it->second), feature.props, *mesh);
}
break;
case GeometryType::LINES:
// Build lines
for (auto& line : feature.lines) {
buildLine(line, parseStyleParams(it->first, it->second), feature.props, *mesh);
}
break;
case GeometryType::POLYGONS:
// Build polygons
for (auto& polygon : feature.polygons) {
buildPolygon(polygon, parseStyleParams(it->first, it->second), feature.props, *mesh);
}
break;
default:
break;
}
}
}
onEndBuildTile(_tile, mesh);
if (mesh->numVertices() == 0) {
mesh.reset();
} else {
mesh->compileVertexBuffer();
_tile.addGeometry(*this, mesh);
}
}
void Style::buildFeature(Tile& _tile, const Feature& _feat, const DrawRule& _rule) const {
if (!checkRule(_rule)) { return; }
bool visible;
if (_rule.get(StyleParamKey::visible, visible) && !visible) {
return;
}
auto& mesh = _tile.getMesh(*this);
if (!mesh) {
mesh.reset(newMesh());
}
switch (_feat.geometryType) {
case GeometryType::points:
for (auto& point : _feat.points) {
buildPoint(point, _rule, _feat.props, *mesh, _tile);
}
break;
case GeometryType::lines:
for (auto& line : _feat.lines) {
buildLine(line, _rule, _feat.props, *mesh, _tile);
}
break;
case GeometryType::polygons:
for (auto& polygon : _feat.polygons) {
buildPolygon(polygon, _rule, _feat.props, *mesh, _tile);
}
break;
default:
break;
}
}
void TextStyle::buildPolygon(const Polygon& _polygon, const DrawRule& _rule,
const Properties& _props, VboMesh& _mesh, Tile& _tile) const {
Point p = glm::vec3(centroid(_polygon), 0.0);
buildPoint(p, _rule, _props, _mesh, _tile);
}
BuildingPoint BuildingPoint::getObject(vector<string> param,string sepOut) {
BuildingPoint buildPoint(param,sepOut);
return buildPoint;
}
