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https://github.com/OpenSpace/OpenSpace.git
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4952f8f977
* Make height map fallback layer work again * Add documentation to joystick button bindings * Removed grouped property headers * Add new version number constant generated by CMake * Make Joystick deadzone work properly * Change the startup date on Earth to today * Fix key modifier handling * Add debugging indices for TreeNodeDebugging * Fix script schedule for OsirisRex * Do not open Mission schedule automatically * Upload default projection texture automatically * General code cleanup * Fix check_style_guide warnings * Remove .clang-format * MacOS compile fixes * Clang analyzer fixes
104 lines
4.4 KiB
C++
104 lines
4.4 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2018 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#ifndef __OPENSPACE_MODULE_GLOBEBROWSING___CHUNK___H__
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#define __OPENSPACE_MODULE_GLOBEBROWSING___CHUNK___H__
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#include <modules/globebrowsing/geometry/geodeticpatch.h>
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#include <modules/globebrowsing/tile/tileindex.h>
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#include <ghoul/glm.h>
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#include <vector>
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namespace openspace { struct RenderData; }
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namespace openspace::globebrowsing {
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class RenderableGlobe;
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struct TileIndex;
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class Chunk {
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public:
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constexpr static float DefaultHeight = 0.f;
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struct BoundingHeights {
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float min;
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float max;
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bool available;
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};
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enum class Status {
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DoNothing,
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WantMerge,
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WantSplit
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};
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Chunk(const RenderableGlobe& owner, const TileIndex& tileIndex,
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bool initVisible = true);
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/**
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* Updates the Chunk internally and returns the Status of the Chunk.
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*
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* Tests if the Chunk is cullable and gets the desired level of the Chunk. If the
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* Chunk is cullable it will be set to invisible and return Status::WANT_MERGE.
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* If the desired level is smaller than the current level of the chunk it will
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* return Status::WANT_MERGE, if it is larger it will return Status::WANT_SPLIT,
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* otherwise Status::DO_NOTHING.
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*
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* \return The Status of the chunk.
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*/
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Status update(const RenderData& data);
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/**
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* Returns a convex polyhedron of eight vertices tightly bounding the volume of
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* the Chunk.
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*/
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std::vector<glm::dvec4> boundingPolyhedronCorners() const;
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const GeodeticPatch& surfacePatch() const;
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const RenderableGlobe& owner() const;
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const TileIndex tileIndex() const;
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bool isVisible() const;
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/**
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* Returns BoundingHeights that fits the Chunk as tightly as possible.
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*
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* If the Chunk uses more than one HightLayer, the BoundingHeights will be set
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* to cover all HeightLayers. If the Chunk has a higher level than its highest
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* resolution HightLayer Tile, it will base its BoundingHeights on that Tile.
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* This means that high level Chunks can have BoundingHeights that are not
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* tightly fitting.
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*/
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BoundingHeights boundingHeights() const;
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private:
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const RenderableGlobe& _owner;
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const TileIndex _tileIndex;
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bool _isVisible;
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const GeodeticPatch _surfacePatch;
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};
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} // namespace openspace::globebrowsing
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#endif // __OPENSPACE_MODULE_GLOBEBROWSING___CHUNK___H__
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