99 lines
3.1 KiB
C++
99 lines
3.1 KiB
C++
/* -*-c++-*- */
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/* osgEarth - Geospatial SDK for OpenSceneGraph
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* Copyright 2020 Pelican Mapping
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* http://osgearth.org
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*
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* osgEarth is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#ifndef OSGEARTH_TERRAIN_MESH_LAYER_H
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#define OSGEARTH_TERRAIN_MESH_LAYER_H 1
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#include <osgEarth/Common>
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#include <osgEarth/Config>
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#include <osgEarth/TileLayer>
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#include <osgEarth/TileMesher>
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namespace osgEarth
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{
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/**
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* Layer providing meshed terrain files (TileMesh)
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*/
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class OSGEARTH_EXPORT TerrainMeshLayer : public TileLayer
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{
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public: // Serialization
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class OSGEARTH_EXPORT Options : public TileLayer::Options {
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public:
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META_LayerOptions(osgEarth, Options, TileLayer::Options);
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OE_OPTION(URI, uri);
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OE_OPTION(bool, invertY);
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virtual Config getConfig() const;
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private:
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void fromConfig(const Config& conf);
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};
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public:
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META_Layer(osgEarth, TerrainMeshLayer, Options, TileLayer, terrainmesh);
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//! URI from which to fetch terrain mesh tiles
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void setURI(const URI& value) {
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options().uri() = value;
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}
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//! URI from which to fetch terrain mesh tiles
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const optional<URI>& getURI() const {
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return options().uri();
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}
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public: // methods
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//! Creates a tile mesh for the given tile key.
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//! @param key TileKey for which to create the tile mesh
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//! @param progress Optional progress/cancelation callback
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TileMesh createTile(const TileKey& key, ProgressCallback* progress) const;
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protected:
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//! Override to create a tile mesh in a subclass implementation.
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//! Default implementation simply uses the default tile mesher.
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virtual TileMesh createTileImplementation(const TileKey& key, ProgressCallback* progress) const;
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protected: // Layer
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void init() override;
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//! Open the layer for reading.
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Status openImplementation() override;
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//! Called when this layer is added to a map (after open)
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void addedToMap(const Map*) override;
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void removedFromMap(const Map*) override;
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//! Called when this layer is added to a map node
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void prepareForRendering(TerrainEngine*) override;
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void applyConstraints(const TileKey& key, TileMesh& mesh) const;
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private:
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osg::observer_ptr<const Map> _map;
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TerrainEngine* _engine = nullptr;
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};
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} // namespace osgEarth
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OSGEARTH_SPECIALIZE_CONFIG(osgEarth::TerrainMeshLayer::Options);
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#endif // OSGEARTH_TERRAIN_MESH_LAYER_H
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