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https://github.com/OpenSpace/OpenSpace.git
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136 lines
5.3 KiB
C++
136 lines
5.3 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2016 *
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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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#include <modules/globebrowsing/globes/chunkedlodglobe.h>
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#include <modules/globebrowsing/meshes/skirtedgrid.h>
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// open space includes
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#include <openspace/engine/openspaceengine.h>
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#include <openspace/rendering/renderengine.h>
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#include <openspace/util/spicemanager.h>
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#include <openspace/scene/scenegraphnode.h>
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// ghoul includes
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#include <ghoul/misc/assert.h>
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#define _USE_MATH_DEFINES
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#include <math.h>
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namespace {
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const std::string _loggerCat = "ChunkLodGlobe";
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}
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namespace openspace {
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const GeodeticPatch ChunkedLodGlobe::LEFT_HEMISPHERE = GeodeticPatch(0, -M_PI/2, M_PI/2, M_PI/2);
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const GeodeticPatch ChunkedLodGlobe::RIGHT_HEMISPHERE = GeodeticPatch(0, M_PI/2, M_PI/2, M_PI/2);
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const ChunkIndex ChunkedLodGlobe::LEFT_HEMISPHERE_INDEX = ChunkIndex(0, 0, 1);
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const ChunkIndex ChunkedLodGlobe::RIGHT_HEMISPHERE_INDEX = ChunkIndex(1, 0, 1);
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ChunkedLodGlobe::ChunkedLodGlobe(
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const Ellipsoid& ellipsoid,
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size_t segmentsPerPatch,
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std::shared_ptr<TileProviderManager> tileProviderManager)
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: _ellipsoid(ellipsoid)
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, _leftRoot(new ChunkNode(Chunk(this, LEFT_HEMISPHERE_INDEX)))
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, _rightRoot(new ChunkNode(Chunk(this, RIGHT_HEMISPHERE_INDEX)))
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, minSplitDepth(2)
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, maxSplitDepth(22)
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, _savedCamera(nullptr)
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{
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auto geometry = std::shared_ptr<SkirtedGrid>(new SkirtedGrid(
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segmentsPerPatch,
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segmentsPerPatch,
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TriangleSoup::Positions::No,
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TriangleSoup::TextureCoordinates::Yes,
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TriangleSoup::Normals::No));
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_patchRenderer.reset(new ChunkRenderer(geometry, tileProviderManager));
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}
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ChunkedLodGlobe::~ChunkedLodGlobe() {
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}
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bool ChunkedLodGlobe::initialize() {
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return isReady();
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}
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bool ChunkedLodGlobe::deinitialize() {
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return true;
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}
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bool ChunkedLodGlobe::isReady() const {
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bool ready = true;
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return ready;
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}
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ChunkRenderer& ChunkedLodGlobe::getPatchRenderer() const{
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return *_patchRenderer;
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}
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void ChunkedLodGlobe::render(const RenderData& data){
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minDistToCamera = INFINITY;
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ChunkNode::renderedChunks = 0;
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renderChunkTree(_leftRoot.get(), data);
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renderChunkTree(_rightRoot.get(), data);
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//LDEBUG("min distnace to camera: " << minDistToCamera);
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Vec3 cameraPos = data.camera.position().dvec3();
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//LDEBUG("cam pos x: " << cameraPos.x << " y: " << cameraPos.y << " z: " << cameraPos.z);
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//LDEBUG("ChunkNode count: " << ChunkNode::chunkNodeCount);
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//LDEBUG("RenderedPatches count: " << ChunkNode::renderedChunks);
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//LDEBUG(ChunkNode::renderedChunks << " / " << ChunkNode::chunkNodeCount << " chunks rendered");
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}
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void ChunkedLodGlobe::renderChunkTree(ChunkNode* node, const RenderData& data) const {
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node->updateChunkTree(data);
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if (renderSmallChunksFirst) {
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node->renderReversedBreadthFirst(data);
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}
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else {
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node->renderDepthFirst(data);
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}
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}
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void ChunkedLodGlobe::update(const UpdateData& data) {
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_patchRenderer->update();
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}
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const Ellipsoid& ChunkedLodGlobe::ellipsoid() const
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{
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return _ellipsoid;
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}
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} // namespace openspace
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