mirror of
https://github.com/ciphervance/supercell-wx.git
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1020 lines
32 KiB
C++
1020 lines
32 KiB
C++
#include <scwx/qt/gl/draw/geo_icons.hpp>
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#include <scwx/qt/types/icon_types.hpp>
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#include <scwx/qt/util/maplibre.hpp>
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#include <scwx/qt/util/texture_atlas.hpp>
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#include <scwx/qt/util/tooltip.hpp>
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#include <scwx/util/logger.hpp>
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#include <execution>
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#include <boost/unordered/unordered_flat_map.hpp>
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#include <boost/unordered/unordered_flat_set.hpp>
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namespace scwx
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{
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namespace qt
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{
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namespace gl
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{
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namespace draw
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{
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static const std::string logPrefix_ = "scwx::qt::gl::draw::geo_icons";
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static const auto logger_ = scwx::util::Logger::Create(logPrefix_);
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static constexpr std::size_t kNumRectangles = 1;
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static constexpr std::size_t kNumTriangles = kNumRectangles * 2;
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static constexpr std::size_t kVerticesPerTriangle = 3;
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static constexpr std::size_t kVerticesPerRectangle = kVerticesPerTriangle * 2;
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static constexpr std::size_t kPointsPerVertex = 9;
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static constexpr std::size_t kPointsPerTexCoord = 3;
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static constexpr std::size_t kIconBufferLength =
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kNumTriangles * kVerticesPerTriangle * kPointsPerVertex;
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static constexpr std::size_t kTextureBufferLength =
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kNumTriangles * kVerticesPerTriangle * kPointsPerTexCoord;
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// Threshold, start time, end time, displayed
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static constexpr std::size_t kIntegersPerVertex_ = 4;
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static constexpr std::size_t kIntegerBufferLength_ =
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kNumTriangles * kVerticesPerTriangle * kIntegersPerVertex_;
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struct GeoIconDrawItem : types::EventHandler
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{
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units::length::nautical_miles<double> threshold_ {};
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std::chrono::sys_time<std::chrono::seconds> startTime_ {};
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std::chrono::sys_time<std::chrono::seconds> endTime_ {};
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boost::gil::rgba32f_pixel_t modulate_ {1.0f, 1.0f, 1.0f, 1.0f};
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bool visible_ {true};
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double latitude_ {};
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double longitude_ {};
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double x_ {};
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double y_ {};
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units::degrees<double> angle_ {};
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std::string iconSheet_ {};
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std::size_t iconIndex_ {};
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std::string hoverText_ {};
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std::shared_ptr<types::IconInfo> iconInfo_ {};
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};
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class GeoIcons::Impl
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{
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public:
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struct IconHoverEntry
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{
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std::shared_ptr<GeoIconDrawItem> di_;
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glm::vec2 p_;
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glm::vec2 otl_;
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glm::vec2 otr_;
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glm::vec2 obl_;
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glm::vec2 obr_;
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};
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explicit Impl(const std::shared_ptr<GlContext>& context) :
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context_ {context},
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shaderProgram_ {nullptr},
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uMVPMatrixLocation_(GL_INVALID_INDEX),
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uMapMatrixLocation_(GL_INVALID_INDEX),
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uMapScreenCoordLocation_(GL_INVALID_INDEX),
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uMapDistanceLocation_(GL_INVALID_INDEX),
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uSelectedTimeLocation_(GL_INVALID_INDEX),
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vao_ {GL_INVALID_INDEX},
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vbo_ {GL_INVALID_INDEX},
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numVertices_ {0}
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{
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}
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~Impl() {}
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void UpdateBuffers();
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static void UpdateSingleBuffer(const std::shared_ptr<GeoIconDrawItem>& di,
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std::size_t iconIndex,
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std::vector<float>& iconBuffer,
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std::vector<GLint>& integerBuffer,
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std::vector<IconHoverEntry>& hoverIcons);
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void UpdateTextureBuffer();
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void UpdateModifiedIconBuffers();
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void Update(bool textureAtlasChanged);
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std::shared_ptr<GlContext> context_;
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bool visible_ {true};
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bool dirty_ {false};
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bool thresholded_ {false};
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bool lastTextureAtlasChanged_ {false};
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boost::unordered_flat_set<std::shared_ptr<GeoIconDrawItem>> dirtyIcons_ {};
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std::chrono::system_clock::time_point selectedTime_ {};
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std::mutex iconMutex_;
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boost::unordered_flat_map<std::string, std::shared_ptr<types::IconInfo>>
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currentIconSheets_ {};
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boost::unordered_flat_map<std::string, std::shared_ptr<types::IconInfo>>
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newIconSheets_ {};
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std::vector<std::shared_ptr<GeoIconDrawItem>> currentIconList_ {};
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std::vector<std::shared_ptr<GeoIconDrawItem>> newIconList_ {};
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std::vector<std::shared_ptr<GeoIconDrawItem>> newValidIconList_ {};
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std::vector<float> currentIconBuffer_ {};
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std::vector<GLint> currentIntegerBuffer_ {};
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std::vector<float> newIconBuffer_ {};
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std::vector<GLint> newIntegerBuffer_ {};
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std::vector<float> textureBuffer_ {};
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std::vector<IconHoverEntry> currentHoverIcons_ {};
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std::vector<IconHoverEntry> newHoverIcons_ {};
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std::shared_ptr<ShaderProgram> shaderProgram_;
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GLint uMVPMatrixLocation_;
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GLint uMapMatrixLocation_;
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GLint uMapScreenCoordLocation_;
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GLint uMapDistanceLocation_;
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GLint uSelectedTimeLocation_;
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GLuint vao_;
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std::array<GLuint, 3> vbo_;
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GLsizei numVertices_;
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};
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GeoIcons::GeoIcons(const std::shared_ptr<GlContext>& context) :
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DrawItem(context->gl()), p(std::make_unique<Impl>(context))
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{
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}
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GeoIcons::~GeoIcons() = default;
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GeoIcons::GeoIcons(GeoIcons&&) noexcept = default;
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GeoIcons& GeoIcons::operator=(GeoIcons&&) noexcept = default;
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void GeoIcons::set_selected_time(
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std::chrono::system_clock::time_point selectedTime)
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{
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p->selectedTime_ = selectedTime;
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}
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void GeoIcons::set_thresholded(bool thresholded)
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{
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p->thresholded_ = thresholded;
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}
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void GeoIcons::Initialize()
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{
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gl::OpenGLFunctions& gl = p->context_->gl();
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p->shaderProgram_ = p->context_->GetShaderProgram(
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{{GL_VERTEX_SHADER, ":/gl/geo_texture2d.vert"},
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{GL_GEOMETRY_SHADER, ":/gl/threshold.geom"},
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{GL_FRAGMENT_SHADER, ":/gl/texture2d_array.frag"}});
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p->uMVPMatrixLocation_ = p->shaderProgram_->GetUniformLocation("uMVPMatrix");
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p->uMapMatrixLocation_ = p->shaderProgram_->GetUniformLocation("uMapMatrix");
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p->uMapScreenCoordLocation_ =
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p->shaderProgram_->GetUniformLocation("uMapScreenCoord");
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p->uMapDistanceLocation_ =
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p->shaderProgram_->GetUniformLocation("uMapDistance");
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p->uSelectedTimeLocation_ =
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p->shaderProgram_->GetUniformLocation("uSelectedTime");
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gl.glGenVertexArrays(1, &p->vao_);
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gl.glGenBuffers(static_cast<GLsizei>(p->vbo_.size()), p->vbo_.data());
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gl.glBindVertexArray(p->vao_);
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gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_[0]);
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gl.glBufferData(GL_ARRAY_BUFFER, 0u, nullptr, GL_DYNAMIC_DRAW);
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// aLatLong
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gl.glVertexAttribPointer(0,
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2,
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GL_FLOAT,
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GL_FALSE,
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kPointsPerVertex * sizeof(float),
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static_cast<void*>(0));
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gl.glEnableVertexAttribArray(0);
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// aXYOffset
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gl.glVertexAttribPointer(1,
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2,
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GL_FLOAT,
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GL_FALSE,
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kPointsPerVertex * sizeof(float),
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reinterpret_cast<void*>(2 * sizeof(float)));
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gl.glEnableVertexAttribArray(1);
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// aModulate
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gl.glVertexAttribPointer(3,
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4,
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GL_FLOAT,
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GL_FALSE,
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kPointsPerVertex * sizeof(float),
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reinterpret_cast<void*>(4 * sizeof(float)));
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gl.glEnableVertexAttribArray(3);
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// aAngle
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gl.glVertexAttribPointer(4,
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1,
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GL_FLOAT,
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GL_FALSE,
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kPointsPerVertex * sizeof(float),
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reinterpret_cast<void*>(8 * sizeof(float)));
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gl.glEnableVertexAttribArray(4);
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gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_[1]);
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gl.glBufferData(GL_ARRAY_BUFFER, 0u, nullptr, GL_DYNAMIC_DRAW);
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// aTexCoord
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gl.glVertexAttribPointer(2,
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3,
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GL_FLOAT,
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GL_FALSE,
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kPointsPerTexCoord * sizeof(float),
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static_cast<void*>(0));
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gl.glEnableVertexAttribArray(2);
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gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_[2]);
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gl.glBufferData(GL_ARRAY_BUFFER, 0u, nullptr, GL_DYNAMIC_DRAW);
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// aThreshold
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gl.glVertexAttribIPointer(5, //
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1,
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GL_INT,
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0,
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static_cast<void*>(0));
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gl.glEnableVertexAttribArray(5);
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// aTimeRange
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gl.glVertexAttribIPointer(6, //
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2,
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GL_INT,
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kIntegersPerVertex_ * sizeof(GLint),
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reinterpret_cast<void*>(1 * sizeof(GLint)));
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gl.glEnableVertexAttribArray(6);
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// aDisplayed
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gl.glVertexAttribIPointer(7,
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1,
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GL_INT,
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kIntegersPerVertex_ * sizeof(GLint),
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reinterpret_cast<void*>(3 * sizeof(GLint)));
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gl.glEnableVertexAttribArray(7);
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p->dirty_ = true;
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}
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void GeoIcons::Render(const QMapLibre::CustomLayerRenderParameters& params,
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bool textureAtlasChanged)
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{
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if (!p->visible_)
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{
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if (textureAtlasChanged)
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{
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p->lastTextureAtlasChanged_ = true;
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}
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return;
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}
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std::unique_lock lock {p->iconMutex_};
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if (!p->currentIconList_.empty())
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{
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gl::OpenGLFunctions& gl = p->context_->gl();
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gl.glBindVertexArray(p->vao_);
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p->Update(textureAtlasChanged);
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p->shaderProgram_->Use();
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UseRotationProjection(params, p->uMVPMatrixLocation_);
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UseMapProjection(
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params, p->uMapMatrixLocation_, p->uMapScreenCoordLocation_);
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if (p->thresholded_)
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{
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// If thresholding is enabled, set the map distance
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units::length::nautical_miles<float> mapDistance =
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util::maplibre::GetMapDistance(params);
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gl.glUniform1f(p->uMapDistanceLocation_, mapDistance.value());
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}
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else
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{
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// If thresholding is disabled, set the map distance to 0
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gl.glUniform1f(p->uMapDistanceLocation_, 0.0f);
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}
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// Selected time
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std::chrono::system_clock::time_point selectedTime =
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(p->selectedTime_ == std::chrono::system_clock::time_point {}) ?
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std::chrono::system_clock::now() :
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p->selectedTime_;
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gl.glUniform1i(
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p->uSelectedTimeLocation_,
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static_cast<GLint>(std::chrono::duration_cast<std::chrono::minutes>(
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selectedTime.time_since_epoch())
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.count()));
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// Interpolate texture coordinates
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gl.glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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gl.glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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// Draw icons
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gl.glDrawArrays(GL_TRIANGLES, 0, p->numVertices_);
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}
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}
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void GeoIcons::Deinitialize()
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{
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gl::OpenGLFunctions& gl = p->context_->gl();
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gl.glDeleteVertexArrays(1, &p->vao_);
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gl.glDeleteBuffers(static_cast<GLsizei>(p->vbo_.size()), p->vbo_.data());
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std::unique_lock lock {p->iconMutex_};
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p->currentIconList_.clear();
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p->currentIconSheets_.clear();
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p->currentHoverIcons_.clear();
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p->currentIconBuffer_.clear();
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p->currentIntegerBuffer_.clear();
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p->textureBuffer_.clear();
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}
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void GeoIcons::SetVisible(bool visible)
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{
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p->visible_ = visible;
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}
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void GeoIcons::StartIconSheets()
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{
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// Clear the new buffer
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p->newIconSheets_.clear();
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}
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void GeoIcons::AddIconSheet(const std::string& name,
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std::size_t iconWidth,
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std::size_t iconHeight,
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std::int32_t hotX,
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std::int32_t hotY)
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{
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// Populate icon sheet map
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p->newIconSheets_.emplace(
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std::piecewise_construct,
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std::tuple {name},
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std::forward_as_tuple(std::make_shared<types::IconInfo>(
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name, iconWidth, iconHeight, hotX, hotY)));
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}
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void GeoIcons::FinishIconSheets()
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{
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// Update icon sheets
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for (auto& iconSheet : p->newIconSheets_)
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{
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iconSheet.second->UpdateTextureInfo();
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}
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std::unique_lock lock {p->iconMutex_};
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// Swap buffers
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p->currentIconSheets_.swap(p->newIconSheets_);
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// Clear the new buffers
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p->newIconSheets_.clear();
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// Mark the draw item dirty
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p->dirty_ = true;
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}
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void GeoIcons::StartIcons()
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{
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// Clear the new buffer
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p->newIconList_.clear();
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p->newValidIconList_.clear();
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p->newIconBuffer_.clear();
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p->newIntegerBuffer_.clear();
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p->newHoverIcons_.clear();
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}
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std::shared_ptr<GeoIconDrawItem> GeoIcons::AddIcon()
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{
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return p->newIconList_.emplace_back(std::make_shared<GeoIconDrawItem>());
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}
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void GeoIcons::SetIconVisible(const std::shared_ptr<GeoIconDrawItem>& di,
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bool visible)
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{
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if (di->visible_ != visible)
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{
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di->visible_ = visible;
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p->dirtyIcons_.insert(di);
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}
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}
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void GeoIcons::SetIconTexture(const std::shared_ptr<GeoIconDrawItem>& di,
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const std::string& iconSheet,
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std::size_t iconIndex)
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{
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if (di->iconSheet_ != iconSheet || di->iconIndex_ != iconIndex)
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{
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di->iconSheet_ = iconSheet;
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di->iconIndex_ = iconIndex;
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p->dirtyIcons_.insert(di);
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}
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}
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void GeoIcons::SetIconLocation(const std::shared_ptr<GeoIconDrawItem>& di,
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units::angle::degrees<double> latitude,
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units::angle::degrees<double> longitude,
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double xOffset,
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double yOffset)
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{
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if (di->latitude_ != latitude.value() ||
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di->longitude_ != longitude.value() || di->x_ != xOffset ||
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di->y_ != yOffset)
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{
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di->latitude_ = latitude.value();
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di->longitude_ = longitude.value();
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di->x_ = xOffset;
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di->y_ = yOffset;
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p->dirtyIcons_.insert(di);
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}
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}
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void GeoIcons::SetIconLocation(const std::shared_ptr<GeoIconDrawItem>& di,
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double latitude,
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double longitude,
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double xOffset,
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double yOffset)
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{
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if (di->latitude_ != latitude || di->longitude_ != longitude ||
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di->x_ != xOffset || di->y_ != yOffset)
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{
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di->latitude_ = latitude;
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di->longitude_ = longitude;
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di->x_ = xOffset;
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di->y_ = yOffset;
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p->dirtyIcons_.insert(di);
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}
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}
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void GeoIcons::SetIconAngle(const std::shared_ptr<GeoIconDrawItem>& di,
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units::angle::degrees<double> angle)
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{
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if (di->angle_ != angle)
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{
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di->angle_ = angle;
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p->dirtyIcons_.insert(di);
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}
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}
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void GeoIcons::SetIconModulate(const std::shared_ptr<GeoIconDrawItem>& di,
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boost::gil::rgba8_pixel_t modulate)
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{
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boost::gil::rgba32f_pixel_t newModulate = {modulate[0] / 255.0f,
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modulate[1] / 255.0f,
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modulate[2] / 255.0f,
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modulate[3] / 255.0f};
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if (di->modulate_ != newModulate)
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{
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di->modulate_ = {modulate[0] / 255.0f,
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modulate[1] / 255.0f,
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modulate[2] / 255.0f,
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modulate[3] / 255.0f};
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p->dirtyIcons_.insert(di);
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}
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}
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void GeoIcons::SetIconModulate(const std::shared_ptr<GeoIconDrawItem>& di,
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boost::gil::rgba32f_pixel_t modulate)
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{
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if (di->modulate_ != modulate)
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{
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di->modulate_ = modulate;
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p->dirtyIcons_.insert(di);
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}
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}
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void GeoIcons::SetIconHoverText(const std::shared_ptr<GeoIconDrawItem>& di,
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const std::string& text)
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{
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if (di->hoverText_ != text)
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{
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di->hoverText_ = text;
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p->dirtyIcons_.insert(di);
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}
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}
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void GeoIcons::FinishIcons()
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{
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// Update buffers
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p->UpdateBuffers();
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std::unique_lock lock {p->iconMutex_};
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// Swap buffers
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p->currentIconList_.swap(p->newValidIconList_);
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p->currentIconBuffer_.swap(p->newIconBuffer_);
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p->currentIntegerBuffer_.swap(p->newIntegerBuffer_);
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p->currentHoverIcons_.swap(p->newHoverIcons_);
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|
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// Clear the new buffers, except the full icon list (used to update buffers
|
|
// without re-adding icons)
|
|
p->newValidIconList_.clear();
|
|
p->newIconBuffer_.clear();
|
|
p->newIntegerBuffer_.clear();
|
|
p->newHoverIcons_.clear();
|
|
|
|
// Mark the draw item dirty
|
|
p->dirty_ = true;
|
|
}
|
|
|
|
void GeoIcons::Impl::UpdateBuffers()
|
|
{
|
|
newIconBuffer_.clear();
|
|
newIconBuffer_.reserve(newIconList_.size() * kIconBufferLength);
|
|
newIntegerBuffer_.clear();
|
|
newIntegerBuffer_.reserve(newIconList_.size() * kVerticesPerRectangle *
|
|
kIntegersPerVertex_);
|
|
newValidIconList_.clear();
|
|
newHoverIcons_.clear();
|
|
|
|
for (auto& di : newIconList_)
|
|
{
|
|
auto it = currentIconSheets_.find(di->iconSheet_);
|
|
if (it == currentIconSheets_.cend())
|
|
{
|
|
// No icon sheet found
|
|
logger_->warn("Could not find icon sheet: {}", di->iconSheet_);
|
|
continue;
|
|
}
|
|
|
|
auto& icon = it->second;
|
|
di->iconInfo_ = icon;
|
|
|
|
// Validate icon
|
|
if (di->iconIndex_ >= icon->numIcons_)
|
|
{
|
|
// No icon found
|
|
logger_->warn("Invalid icon index: {}", di->iconIndex_);
|
|
continue;
|
|
}
|
|
|
|
// Icon is valid, add to valid icon list
|
|
newValidIconList_.push_back(di);
|
|
|
|
// Update icon buffer
|
|
UpdateSingleBuffer(di,
|
|
newValidIconList_.size() - 1,
|
|
newIconBuffer_,
|
|
newIntegerBuffer_,
|
|
newHoverIcons_);
|
|
}
|
|
|
|
// All icons have been updated
|
|
dirtyIcons_.clear();
|
|
}
|
|
|
|
void GeoIcons::Impl::UpdateSingleBuffer(
|
|
const std::shared_ptr<GeoIconDrawItem>& di,
|
|
std::size_t iconIndex,
|
|
std::vector<float>& iconBuffer,
|
|
std::vector<GLint>& integerBuffer,
|
|
std::vector<IconHoverEntry>& hoverIcons)
|
|
{
|
|
auto& icon = di->iconInfo_;
|
|
|
|
// Threshold value
|
|
units::length::nautical_miles<double> threshold = di->threshold_;
|
|
GLint thresholdValue = static_cast<GLint>(std::round(threshold.value()));
|
|
|
|
// Start and end time
|
|
GLint startTime =
|
|
static_cast<GLint>(std::chrono::duration_cast<std::chrono::minutes>(
|
|
di->startTime_.time_since_epoch())
|
|
.count());
|
|
GLint endTime =
|
|
static_cast<GLint>(std::chrono::duration_cast<std::chrono::minutes>(
|
|
di->endTime_.time_since_epoch())
|
|
.count());
|
|
|
|
// Latitude and longitude coordinates in degrees
|
|
const float lat = static_cast<float>(di->latitude_);
|
|
const float lon = static_cast<float>(di->longitude_);
|
|
|
|
// Base X/Y offsets in pixels
|
|
const float x = static_cast<float>(di->x_);
|
|
const float y = static_cast<float>(di->y_);
|
|
|
|
// Icon size
|
|
const float iw = static_cast<float>(icon->iconWidth_);
|
|
const float ih = static_cast<float>(icon->iconHeight_);
|
|
|
|
// Hot X/Y (zero-based icon center)
|
|
const float hx = static_cast<float>(icon->hotX_);
|
|
const float hy = static_cast<float>(icon->hotY_);
|
|
|
|
// Final X/Y offsets in pixels
|
|
const float lx = std::roundf(x - hx);
|
|
const float rx = std::roundf(lx + iw);
|
|
const float ty = std::roundf(y + hy);
|
|
const float by = std::roundf(ty - ih);
|
|
|
|
// Angle in degrees
|
|
units::angle::degrees<float> angle = di->angle_;
|
|
const float a = angle.value();
|
|
|
|
// Modulate color
|
|
const float mc0 = di->modulate_[0];
|
|
const float mc1 = di->modulate_[1];
|
|
const float mc2 = di->modulate_[2];
|
|
const float mc3 = di->modulate_[3];
|
|
|
|
// Visibility
|
|
const GLint v = static_cast<GLint>(di->visible_);
|
|
|
|
// Icon initialize list data
|
|
const auto iconData = {
|
|
// Icon
|
|
lat, lon, lx, by, mc0, mc1, mc2, mc3, a, // BL
|
|
lat, lon, lx, ty, mc0, mc1, mc2, mc3, a, // TL
|
|
lat, lon, rx, by, mc0, mc1, mc2, mc3, a, // BR
|
|
lat, lon, rx, by, mc0, mc1, mc2, mc3, a, // BR
|
|
lat, lon, rx, ty, mc0, mc1, mc2, mc3, a, // TR
|
|
lat, lon, lx, ty, mc0, mc1, mc2, mc3, a // TL
|
|
};
|
|
const auto integerData = {thresholdValue, startTime, endTime, v,
|
|
thresholdValue, startTime, endTime, v,
|
|
thresholdValue, startTime, endTime, v,
|
|
thresholdValue, startTime, endTime, v,
|
|
thresholdValue, startTime, endTime, v,
|
|
thresholdValue, startTime, endTime, v};
|
|
|
|
// Buffer position data
|
|
auto iconBufferPosition = iconBuffer.end();
|
|
auto iconBufferOffset = iconIndex * kIconBufferLength;
|
|
|
|
auto integerBufferPosition = integerBuffer.end();
|
|
auto integerBufferOffset = iconIndex * kIntegerBufferLength_;
|
|
|
|
if (iconBufferOffset < iconBuffer.size())
|
|
{
|
|
iconBufferPosition = iconBuffer.begin() + iconBufferOffset;
|
|
}
|
|
if (integerBufferOffset < integerBuffer.size())
|
|
{
|
|
integerBufferPosition = integerBuffer.begin() + integerBufferOffset;
|
|
}
|
|
|
|
if (iconBufferPosition == iconBuffer.cend())
|
|
{
|
|
iconBuffer.insert(iconBufferPosition, iconData);
|
|
}
|
|
else
|
|
{
|
|
std::copy(iconData.begin(), iconData.end(), iconBufferPosition);
|
|
}
|
|
|
|
if (integerBufferPosition == integerBuffer.cend())
|
|
{
|
|
integerBuffer.insert(integerBufferPosition, integerData);
|
|
}
|
|
else
|
|
{
|
|
std::copy(integerData.begin(), integerData.end(), integerBufferPosition);
|
|
}
|
|
|
|
auto hoverIt = std::find_if(hoverIcons.begin(),
|
|
hoverIcons.end(),
|
|
[&di](auto& entry) { return entry.di_ == di; });
|
|
|
|
if (di->visible_ && (!di->hoverText_.empty() || di->event_ != nullptr))
|
|
{
|
|
const units::angle::radians<double> radians = angle;
|
|
|
|
const auto sc = util::maplibre::LatLongToScreenCoordinate({lat, lon});
|
|
|
|
const float cosAngle = cosf(static_cast<float>(radians.value()));
|
|
const float sinAngle = sinf(static_cast<float>(radians.value()));
|
|
|
|
const glm::mat2 rotate {cosAngle, -sinAngle, sinAngle, cosAngle};
|
|
|
|
const glm::vec2 otl = rotate * glm::vec2 {lx, ty};
|
|
const glm::vec2 otr = rotate * glm::vec2 {rx, ty};
|
|
const glm::vec2 obl = rotate * glm::vec2 {lx, by};
|
|
const glm::vec2 obr = rotate * glm::vec2 {rx, by};
|
|
|
|
if (hoverIt == hoverIcons.end())
|
|
{
|
|
hoverIcons.emplace_back(IconHoverEntry {di, sc, otl, otr, obl, obr});
|
|
}
|
|
else
|
|
{
|
|
hoverIt->otl_ = otl;
|
|
hoverIt->otr_ = otr;
|
|
hoverIt->obl_ = obl;
|
|
hoverIt->obr_ = obr;
|
|
}
|
|
}
|
|
else if (hoverIt != hoverIcons.end())
|
|
{
|
|
hoverIcons.erase(hoverIt);
|
|
}
|
|
}
|
|
|
|
void GeoIcons::Impl::UpdateTextureBuffer()
|
|
{
|
|
textureBuffer_.clear();
|
|
textureBuffer_.reserve(currentIconList_.size() * kTextureBufferLength);
|
|
|
|
for (auto& di : currentIconList_)
|
|
{
|
|
auto it = currentIconSheets_.find(di->iconSheet_);
|
|
if (it == currentIconSheets_.cend())
|
|
{
|
|
// No file found. Should not get here, but insert empty data to match
|
|
// up with data already buffered
|
|
logger_->error("Could not find icon sheet: {}", di->iconSheet_);
|
|
|
|
// clang-format off
|
|
textureBuffer_.insert(
|
|
textureBuffer_.end(),
|
|
{
|
|
// Icon
|
|
0.0f, 0.0f, 0.0f, // BL
|
|
0.0f, 0.0f, 0.0f, // TL
|
|
0.0f, 0.0f, 0.0f, // BR
|
|
0.0f, 0.0f, 0.0f, // BR
|
|
0.0f, 0.0f, 0.0f, // TR
|
|
0.0f, 0.0f, 0.0f // TL
|
|
});
|
|
// clang-format on
|
|
|
|
continue;
|
|
}
|
|
|
|
auto& icon = it->second;
|
|
|
|
// Validate icon
|
|
if (di->iconIndex_ >= icon->numIcons_)
|
|
{
|
|
// No icon found
|
|
logger_->error("Invalid icon index: {}", di->iconIndex_);
|
|
|
|
// Will get here if a texture changes, and the texture shrunk such that
|
|
// the icon is no longer found
|
|
|
|
// clang-format off
|
|
textureBuffer_.insert(
|
|
textureBuffer_.end(),
|
|
{
|
|
// Icon
|
|
0.0f, 0.0f, 0.0f, // BL
|
|
0.0f, 0.0f, 0.0f, // TL
|
|
0.0f, 0.0f, 0.0f, // BR
|
|
0.0f, 0.0f, 0.0f, // BR
|
|
0.0f, 0.0f, 0.0f, // TR
|
|
0.0f, 0.0f, 0.0f // TL
|
|
});
|
|
// clang-format on
|
|
|
|
continue;
|
|
}
|
|
|
|
// Texture coordinates
|
|
const std::size_t iconRow = (di->iconIndex_) / icon->columns_;
|
|
const std::size_t iconColumn = (di->iconIndex_) % icon->columns_;
|
|
|
|
const float iconX = iconColumn * icon->scaledWidth_;
|
|
const float iconY = iconRow * icon->scaledHeight_;
|
|
|
|
const float ls = icon->texture_.sLeft_ + iconX;
|
|
const float rs = ls + icon->scaledWidth_;
|
|
const float tt = icon->texture_.tTop_ + iconY;
|
|
const float bt = tt + icon->scaledHeight_;
|
|
const float r = static_cast<float>(icon->texture_.layerId_);
|
|
|
|
// clang-format off
|
|
textureBuffer_.insert(
|
|
textureBuffer_.end(),
|
|
{
|
|
// Icon
|
|
ls, bt, r, // BL
|
|
ls, tt, r, // TL
|
|
rs, bt, r, // BR
|
|
rs, bt, r, // BR
|
|
rs, tt, r, // TR
|
|
ls, tt, r // TL
|
|
});
|
|
// clang-format on
|
|
}
|
|
}
|
|
|
|
void GeoIcons::Impl::UpdateModifiedIconBuffers()
|
|
{
|
|
// Update buffers for modified icons
|
|
for (auto& di : dirtyIcons_)
|
|
{
|
|
// Find modified icon in the current list
|
|
auto it =
|
|
std::find(currentIconList_.cbegin(), currentIconList_.cend(), di);
|
|
|
|
// Ignore invalid icons
|
|
if (it == currentIconList_.cend())
|
|
{
|
|
continue;
|
|
}
|
|
|
|
auto iconIndex = std::distance(currentIconList_.cbegin(), it);
|
|
|
|
UpdateSingleBuffer(di,
|
|
iconIndex,
|
|
currentIconBuffer_,
|
|
currentIntegerBuffer_,
|
|
currentHoverIcons_);
|
|
}
|
|
|
|
// Clear list of modified icons
|
|
if (!dirtyIcons_.empty())
|
|
{
|
|
dirtyIcons_.clear();
|
|
dirty_ = true;
|
|
}
|
|
}
|
|
|
|
void GeoIcons::Impl::Update(bool textureAtlasChanged)
|
|
{
|
|
gl::OpenGLFunctions& gl = context_->gl();
|
|
|
|
UpdateModifiedIconBuffers();
|
|
|
|
// If the texture atlas has changed
|
|
if (dirty_ || textureAtlasChanged || lastTextureAtlasChanged_)
|
|
{
|
|
// Update texture coordinates
|
|
for (auto& iconSheet : currentIconSheets_)
|
|
{
|
|
iconSheet.second->UpdateTextureInfo();
|
|
}
|
|
|
|
// Update OpenGL texture buffer data
|
|
UpdateTextureBuffer();
|
|
|
|
// Buffer texture data
|
|
gl.glBindBuffer(GL_ARRAY_BUFFER, vbo_[1]);
|
|
gl.glBufferData(GL_ARRAY_BUFFER,
|
|
sizeof(float) * textureBuffer_.size(),
|
|
textureBuffer_.data(),
|
|
GL_DYNAMIC_DRAW);
|
|
|
|
lastTextureAtlasChanged_ = false;
|
|
}
|
|
|
|
// If buffers need updating
|
|
if (dirty_)
|
|
{
|
|
// Buffer vertex data
|
|
gl.glBindBuffer(GL_ARRAY_BUFFER, vbo_[0]);
|
|
gl.glBufferData(GL_ARRAY_BUFFER,
|
|
sizeof(float) * currentIconBuffer_.size(),
|
|
currentIconBuffer_.data(),
|
|
GL_DYNAMIC_DRAW);
|
|
|
|
// Buffer threshold data
|
|
gl.glBindBuffer(GL_ARRAY_BUFFER, vbo_[2]);
|
|
gl.glBufferData(GL_ARRAY_BUFFER,
|
|
sizeof(GLint) * currentIntegerBuffer_.size(),
|
|
currentIntegerBuffer_.data(),
|
|
GL_DYNAMIC_DRAW);
|
|
|
|
numVertices_ =
|
|
static_cast<GLsizei>(currentIconBuffer_.size() / kPointsPerVertex);
|
|
}
|
|
|
|
dirty_ = false;
|
|
}
|
|
|
|
bool GeoIcons::RunMousePicking(
|
|
const QMapLibre::CustomLayerRenderParameters& params,
|
|
const QPointF& /* mouseLocalPos */,
|
|
const QPointF& mouseGlobalPos,
|
|
const glm::vec2& mouseCoords,
|
|
const common::Coordinate& /* mouseGeoCoords */,
|
|
std::shared_ptr<types::EventHandler>& eventHandler)
|
|
{
|
|
std::unique_lock lock {p->iconMutex_};
|
|
|
|
bool itemPicked = false;
|
|
|
|
// Calculate map scale, remove width and height from original calculation
|
|
glm::vec2 scale = util::maplibre::GetMapScale(params);
|
|
scale = 2.0f / glm::vec2 {scale.x * params.width, scale.y * params.height};
|
|
|
|
// Scale and rotate the identity matrix to create the map matrix
|
|
glm::mat4 mapMatrix {1.0f};
|
|
mapMatrix = glm::scale(mapMatrix, glm::vec3 {scale, 1.0f});
|
|
mapMatrix = glm::rotate(mapMatrix,
|
|
glm::radians<float>(params.bearing),
|
|
glm::vec3(0.0f, 0.0f, 1.0f));
|
|
|
|
units::length::meters<double> mapDistance =
|
|
(p->thresholded_) ? util::maplibre::GetMapDistance(params) :
|
|
units::length::meters<double> {0.0};
|
|
|
|
// If no time has been selected, use the current time
|
|
std::chrono::system_clock::time_point selectedTime =
|
|
(p->selectedTime_ == std::chrono::system_clock::time_point {}) ?
|
|
std::chrono::system_clock::now() :
|
|
p->selectedTime_;
|
|
|
|
// For each pickable icon
|
|
auto it = std::find_if(
|
|
std::execution::par_unseq,
|
|
p->currentHoverIcons_.crbegin(),
|
|
p->currentHoverIcons_.crend(),
|
|
[&mapDistance, &selectedTime, &mapMatrix, &mouseCoords](const auto& icon)
|
|
{
|
|
if ((
|
|
// Geo icon is thresholded
|
|
mapDistance > units::length::meters<double> {0.0} &&
|
|
|
|
// Geo icon threshold is < 999 nmi
|
|
static_cast<int>(std::round(
|
|
units::length::nautical_miles<double> {icon.di_->threshold_}
|
|
.value())) < 999 &&
|
|
|
|
// Map distance is beyond/within the threshold
|
|
icon.di_->threshold_ < mapDistance &&
|
|
(icon.di_->threshold_.value() >= 0.0 ||
|
|
-(icon.di_->threshold_) > mapDistance)) ||
|
|
|
|
(
|
|
// Geo icon has a start time
|
|
icon.di_->startTime_ !=
|
|
std::chrono::system_clock::time_point {} &&
|
|
|
|
// The time range has not yet started
|
|
(selectedTime < icon.di_->startTime_ ||
|
|
|
|
// The time range has ended
|
|
icon.di_->endTime_ <= selectedTime)))
|
|
{
|
|
// Icon is not pickable
|
|
return false;
|
|
}
|
|
|
|
// Initialize vertices
|
|
glm::vec2 bl = icon.p_;
|
|
glm::vec2 br = bl;
|
|
glm::vec2 tl = br;
|
|
glm::vec2 tr = tl;
|
|
|
|
// Calculate offsets
|
|
// - Rotated offset is based on final X/Y offsets (pixels)
|
|
// - Multiply the offset by the scaled and rotated map matrix
|
|
const glm::vec2 otl = mapMatrix * glm::vec4 {icon.otl_, 0.0f, 1.0f};
|
|
const glm::vec2 obl = mapMatrix * glm::vec4 {icon.obl_, 0.0f, 1.0f};
|
|
const glm::vec2 obr = mapMatrix * glm::vec4 {icon.obr_, 0.0f, 1.0f};
|
|
const glm::vec2 otr = mapMatrix * glm::vec4 {icon.otr_, 0.0f, 1.0f};
|
|
|
|
// Offset vertices
|
|
tl += otl;
|
|
bl += obl;
|
|
br += obr;
|
|
tr += otr;
|
|
|
|
// Test point against polygon bounds
|
|
return util::maplibre::IsPointInPolygon({tl, bl, br, tr}, mouseCoords);
|
|
});
|
|
|
|
if (it != p->currentHoverIcons_.crend())
|
|
{
|
|
itemPicked = true;
|
|
if (!it->di_->hoverText_.empty())
|
|
{
|
|
// Show tooltip
|
|
util::tooltip::Show(it->di_->hoverText_, mouseGlobalPos);
|
|
}
|
|
if (it->di_->event_ != nullptr)
|
|
{
|
|
eventHandler = it->di_;
|
|
}
|
|
}
|
|
|
|
return itemPicked;
|
|
}
|
|
|
|
void GeoIcons::RegisterEventHandler(
|
|
const std::shared_ptr<GeoIconDrawItem>& di,
|
|
const std::function<void(QEvent*)>& eventHandler)
|
|
{
|
|
di->event_ = eventHandler;
|
|
}
|
|
|
|
} // namespace draw
|
|
} // namespace gl
|
|
} // namespace qt
|
|
} // namespace scwx
|