Files
OpenSpace/modules/globebrowsing/tile/tileselector.cpp
Alexander Bock 0d03177d43 Feature/globebrowsingcleanup (#230)
* Initial restructuring of the Globebrowsing branch

* Update Ghoul repository
Fix include guards

* More cleanup

* Split texttileprovider subclasses into separate files

* Move TileProviders into namespace

* Convert static class methods into free functions

* Splitting tile subclasses into their own files
Remove `using namespace` from header file

* Split TileDataSet subclass into separate file
Update SGCT reference

* Move shader preprocessing data into internal class

* More Globebrowsing cleanup

* More cleanup
Remove unused Convexhull class
2017-02-15 21:20:05 +01:00

84 lines
3.9 KiB
C++

/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2017 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#include <modules/globebrowsing/tile/tileselector.h>
#include <modules/globebrowsing/rendering/layer/layergroup.h>
#include <modules/globebrowsing/tile/tileprovider/tileprovider.h>
namespace openspace {
namespace globebrowsing {
namespace tileselector {
ChunkTile getHighestResolutionTile(const LayerGroup& layerGroup, TileIndex tileIndex) {
ChunkTile mostHighResolution;
mostHighResolution.tile = Tile::TileUnavailable;
mostHighResolution.uvTransform.uvScale.x = 0;
for (const auto& layer : layerGroup.activeLayers()) {
ChunkTile chunkTile = layer->tileProvider()->getChunkTile(tileIndex);
bool tileIsOk = chunkTile.tile.status == Tile::Status::OK;
bool tileHasMetaData = chunkTile.tile.metaData != nullptr;
bool tileIsHigherResolution =
chunkTile.uvTransform.uvScale.x > mostHighResolution.uvTransform.uvScale.x;
if (tileIsOk && tileHasMetaData && tileIsHigherResolution) {
mostHighResolution = chunkTile;
}
}
return mostHighResolution;
}
std::vector<ChunkTile> getTilesSortedByHighestResolution(const LayerGroup& layerGroup,
const TileIndex& tileIndex)
{
std::vector<ChunkTile> tiles;
for (const auto& layer : layerGroup.activeLayers()) {
tiles.push_back(layer->tileProvider()->getChunkTile(tileIndex));
}
std::sort(
tiles.begin(),
tiles.end(),
[](const ChunkTile& lhs, const ChunkTile& rhs) {
return lhs.uvTransform.uvScale.x > rhs.uvTransform.uvScale.x;
}
);
return tiles;
}
void ascendToParent(TileIndex& tileIndex, TileUvTransform& uv) {
uv.uvOffset *= 0.5;
uv.uvScale *= 0.5;
uv.uvOffset += tileIndex.positionRelativeParent();
--tileIndex;
}
} // namespace tileselector¢
} // namespace globebrowsing
} // namespace openspace