mirror of
https://github.com/ciphervance/supercell-wx.git
synced 2025-10-31 21:50:05 +00:00
837 lines
26 KiB
C++
837 lines
26 KiB
C++
#include <scwx/qt/gl/draw/geo_icons.hpp>
|
|
#include <scwx/qt/types/icon_types.hpp>
|
|
#include <scwx/qt/util/maplibre.hpp>
|
|
#include <scwx/qt/util/texture_atlas.hpp>
|
|
#include <scwx/qt/util/tooltip.hpp>
|
|
#include <scwx/util/logger.hpp>
|
|
|
|
#include <execution>
|
|
|
|
#include <boost/unordered/unordered_flat_map.hpp>
|
|
|
|
namespace scwx
|
|
{
|
|
namespace qt
|
|
{
|
|
namespace gl
|
|
{
|
|
namespace draw
|
|
{
|
|
|
|
static const std::string logPrefix_ = "scwx::qt::gl::draw::geo_icons";
|
|
static const auto logger_ = scwx::util::Logger::Create(logPrefix_);
|
|
|
|
static constexpr std::size_t kNumRectangles = 1;
|
|
static constexpr std::size_t kNumTriangles = kNumRectangles * 2;
|
|
static constexpr std::size_t kVerticesPerTriangle = 3;
|
|
static constexpr std::size_t kVerticesPerRectangle = kVerticesPerTriangle * 2;
|
|
static constexpr std::size_t kPointsPerVertex = 9;
|
|
static constexpr std::size_t kPointsPerTexCoord = 3;
|
|
static constexpr std::size_t kIconBufferLength =
|
|
kNumTriangles * kVerticesPerTriangle * kPointsPerVertex;
|
|
static constexpr std::size_t kTextureBufferLength =
|
|
kNumTriangles * kVerticesPerTriangle * kPointsPerTexCoord;
|
|
|
|
// Threshold, start time, end time
|
|
static constexpr std::size_t kIntegersPerVertex_ = 3;
|
|
|
|
struct GeoIconDrawItem
|
|
{
|
|
units::length::nautical_miles<double> threshold_ {};
|
|
std::chrono::sys_time<std::chrono::seconds> startTime_ {};
|
|
std::chrono::sys_time<std::chrono::seconds> endTime_ {};
|
|
|
|
boost::gil::rgba32f_pixel_t modulate_ {1.0f, 1.0f, 1.0f, 1.0f};
|
|
double latitude_ {};
|
|
double longitude_ {};
|
|
double x_ {};
|
|
double y_ {};
|
|
units::degrees<double> angle_ {};
|
|
std::string iconSheet_ {};
|
|
std::size_t iconIndex_ {};
|
|
std::string hoverText_ {};
|
|
};
|
|
|
|
class GeoIcons::Impl
|
|
{
|
|
public:
|
|
struct IconHoverEntry
|
|
{
|
|
std::shared_ptr<GeoIconDrawItem> di_;
|
|
|
|
glm::vec2 p_;
|
|
glm::vec2 otl_;
|
|
glm::vec2 otr_;
|
|
glm::vec2 obl_;
|
|
glm::vec2 obr_;
|
|
};
|
|
|
|
explicit Impl(const std::shared_ptr<GlContext>& context) :
|
|
context_ {context},
|
|
shaderProgram_ {nullptr},
|
|
uMVPMatrixLocation_(GL_INVALID_INDEX),
|
|
uMapMatrixLocation_(GL_INVALID_INDEX),
|
|
uMapScreenCoordLocation_(GL_INVALID_INDEX),
|
|
uMapDistanceLocation_(GL_INVALID_INDEX),
|
|
uSelectedTimeLocation_(GL_INVALID_INDEX),
|
|
vao_ {GL_INVALID_INDEX},
|
|
vbo_ {GL_INVALID_INDEX},
|
|
numVertices_ {0}
|
|
{
|
|
}
|
|
|
|
~Impl() {}
|
|
|
|
void UpdateBuffers();
|
|
void UpdateTextureBuffer();
|
|
void Update(bool textureAtlasChanged);
|
|
|
|
std::shared_ptr<GlContext> context_;
|
|
|
|
bool visible_ {true};
|
|
bool dirty_ {false};
|
|
bool thresholded_ {false};
|
|
bool lastTextureAtlasChanged_ {false};
|
|
|
|
std::chrono::system_clock::time_point selectedTime_ {};
|
|
|
|
std::mutex iconMutex_;
|
|
|
|
boost::unordered_flat_map<std::string, types::IconInfo>
|
|
currentIconSheets_ {};
|
|
boost::unordered_flat_map<std::string, types::IconInfo> newIconSheets_ {};
|
|
|
|
std::vector<std::shared_ptr<GeoIconDrawItem>> currentIconList_ {};
|
|
std::vector<std::shared_ptr<GeoIconDrawItem>> newIconList_ {};
|
|
std::vector<std::shared_ptr<GeoIconDrawItem>> newValidIconList_ {};
|
|
|
|
std::vector<float> currentIconBuffer_ {};
|
|
std::vector<GLint> currentIntegerBuffer_ {};
|
|
std::vector<float> newIconBuffer_ {};
|
|
std::vector<GLint> newIntegerBuffer_ {};
|
|
|
|
std::vector<float> textureBuffer_ {};
|
|
|
|
std::vector<IconHoverEntry> currentHoverIcons_ {};
|
|
std::vector<IconHoverEntry> newHoverIcons_ {};
|
|
|
|
std::shared_ptr<ShaderProgram> shaderProgram_;
|
|
GLint uMVPMatrixLocation_;
|
|
GLint uMapMatrixLocation_;
|
|
GLint uMapScreenCoordLocation_;
|
|
GLint uMapDistanceLocation_;
|
|
GLint uSelectedTimeLocation_;
|
|
|
|
GLuint vao_;
|
|
std::array<GLuint, 3> vbo_;
|
|
|
|
GLsizei numVertices_;
|
|
};
|
|
|
|
GeoIcons::GeoIcons(const std::shared_ptr<GlContext>& context) :
|
|
DrawItem(context->gl()), p(std::make_unique<Impl>(context))
|
|
{
|
|
}
|
|
GeoIcons::~GeoIcons() = default;
|
|
|
|
GeoIcons::GeoIcons(GeoIcons&&) noexcept = default;
|
|
GeoIcons& GeoIcons::operator=(GeoIcons&&) noexcept = default;
|
|
|
|
void GeoIcons::set_selected_time(
|
|
std::chrono::system_clock::time_point selectedTime)
|
|
{
|
|
p->selectedTime_ = selectedTime;
|
|
}
|
|
|
|
void GeoIcons::set_thresholded(bool thresholded)
|
|
{
|
|
p->thresholded_ = thresholded;
|
|
}
|
|
|
|
void GeoIcons::Initialize()
|
|
{
|
|
gl::OpenGLFunctions& gl = p->context_->gl();
|
|
|
|
p->shaderProgram_ = p->context_->GetShaderProgram(
|
|
{{GL_VERTEX_SHADER, ":/gl/geo_texture2d.vert"},
|
|
{GL_GEOMETRY_SHADER, ":/gl/threshold.geom"},
|
|
{GL_FRAGMENT_SHADER, ":/gl/texture2d_array.frag"}});
|
|
|
|
p->uMVPMatrixLocation_ = p->shaderProgram_->GetUniformLocation("uMVPMatrix");
|
|
p->uMapMatrixLocation_ = p->shaderProgram_->GetUniformLocation("uMapMatrix");
|
|
p->uMapScreenCoordLocation_ =
|
|
p->shaderProgram_->GetUniformLocation("uMapScreenCoord");
|
|
p->uMapDistanceLocation_ =
|
|
p->shaderProgram_->GetUniformLocation("uMapDistance");
|
|
p->uSelectedTimeLocation_ =
|
|
p->shaderProgram_->GetUniformLocation("uSelectedTime");
|
|
|
|
gl.glGenVertexArrays(1, &p->vao_);
|
|
gl.glGenBuffers(static_cast<GLsizei>(p->vbo_.size()), p->vbo_.data());
|
|
|
|
gl.glBindVertexArray(p->vao_);
|
|
gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_[0]);
|
|
gl.glBufferData(GL_ARRAY_BUFFER, 0u, nullptr, GL_DYNAMIC_DRAW);
|
|
|
|
// aLatLong
|
|
gl.glVertexAttribPointer(0,
|
|
2,
|
|
GL_FLOAT,
|
|
GL_FALSE,
|
|
kPointsPerVertex * sizeof(float),
|
|
static_cast<void*>(0));
|
|
gl.glEnableVertexAttribArray(0);
|
|
|
|
// aXYOffset
|
|
gl.glVertexAttribPointer(1,
|
|
2,
|
|
GL_FLOAT,
|
|
GL_FALSE,
|
|
kPointsPerVertex * sizeof(float),
|
|
reinterpret_cast<void*>(2 * sizeof(float)));
|
|
gl.glEnableVertexAttribArray(1);
|
|
|
|
// aModulate
|
|
gl.glVertexAttribPointer(3,
|
|
4,
|
|
GL_FLOAT,
|
|
GL_FALSE,
|
|
kPointsPerVertex * sizeof(float),
|
|
reinterpret_cast<void*>(4 * sizeof(float)));
|
|
gl.glEnableVertexAttribArray(3);
|
|
|
|
// aAngle
|
|
gl.glVertexAttribPointer(4,
|
|
1,
|
|
GL_FLOAT,
|
|
GL_FALSE,
|
|
kPointsPerVertex * sizeof(float),
|
|
reinterpret_cast<void*>(8 * sizeof(float)));
|
|
gl.glEnableVertexAttribArray(4);
|
|
|
|
gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_[1]);
|
|
gl.glBufferData(GL_ARRAY_BUFFER, 0u, nullptr, GL_DYNAMIC_DRAW);
|
|
|
|
// aTexCoord
|
|
gl.glVertexAttribPointer(2,
|
|
3,
|
|
GL_FLOAT,
|
|
GL_FALSE,
|
|
kPointsPerTexCoord * sizeof(float),
|
|
static_cast<void*>(0));
|
|
gl.glEnableVertexAttribArray(2);
|
|
|
|
gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_[2]);
|
|
gl.glBufferData(GL_ARRAY_BUFFER, 0u, nullptr, GL_DYNAMIC_DRAW);
|
|
|
|
// aThreshold
|
|
gl.glVertexAttribIPointer(5, //
|
|
1,
|
|
GL_INT,
|
|
0,
|
|
static_cast<void*>(0));
|
|
gl.glEnableVertexAttribArray(5);
|
|
|
|
// aTimeRange
|
|
gl.glVertexAttribIPointer(6, //
|
|
2,
|
|
GL_INT,
|
|
kIntegersPerVertex_ * sizeof(GLint),
|
|
reinterpret_cast<void*>(1 * sizeof(GLint)));
|
|
gl.glEnableVertexAttribArray(6);
|
|
|
|
p->dirty_ = true;
|
|
}
|
|
|
|
void GeoIcons::Render(const QMapLibreGL::CustomLayerRenderParameters& params,
|
|
bool textureAtlasChanged)
|
|
{
|
|
if (!p->visible_)
|
|
{
|
|
if (textureAtlasChanged)
|
|
{
|
|
p->lastTextureAtlasChanged_ = true;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
std::unique_lock lock {p->iconMutex_};
|
|
|
|
if (!p->currentIconList_.empty())
|
|
{
|
|
gl::OpenGLFunctions& gl = p->context_->gl();
|
|
|
|
gl.glBindVertexArray(p->vao_);
|
|
|
|
p->Update(textureAtlasChanged);
|
|
p->shaderProgram_->Use();
|
|
UseRotationProjection(params, p->uMVPMatrixLocation_);
|
|
UseMapProjection(
|
|
params, p->uMapMatrixLocation_, p->uMapScreenCoordLocation_);
|
|
|
|
if (p->thresholded_)
|
|
{
|
|
// If thresholding is enabled, set the map distance
|
|
units::length::nautical_miles<float> mapDistance =
|
|
util::maplibre::GetMapDistance(params);
|
|
gl.glUniform1f(p->uMapDistanceLocation_, mapDistance.value());
|
|
}
|
|
else
|
|
{
|
|
// If thresholding is disabled, set the map distance to 0
|
|
gl.glUniform1f(p->uMapDistanceLocation_, 0.0f);
|
|
}
|
|
|
|
// Selected time
|
|
std::chrono::system_clock::time_point selectedTime =
|
|
(p->selectedTime_ == std::chrono::system_clock::time_point {}) ?
|
|
std::chrono::system_clock::now() :
|
|
p->selectedTime_;
|
|
gl.glUniform1i(
|
|
p->uSelectedTimeLocation_,
|
|
static_cast<GLint>(std::chrono::duration_cast<std::chrono::minutes>(
|
|
selectedTime.time_since_epoch())
|
|
.count()));
|
|
|
|
// Interpolate texture coordinates
|
|
gl.glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
gl.glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
|
|
// Draw icons
|
|
gl.glDrawArrays(GL_TRIANGLES, 0, p->numVertices_);
|
|
}
|
|
}
|
|
|
|
void GeoIcons::Deinitialize()
|
|
{
|
|
gl::OpenGLFunctions& gl = p->context_->gl();
|
|
|
|
gl.glDeleteVertexArrays(1, &p->vao_);
|
|
gl.glDeleteBuffers(static_cast<GLsizei>(p->vbo_.size()), p->vbo_.data());
|
|
|
|
std::unique_lock lock {p->iconMutex_};
|
|
|
|
p->currentIconList_.clear();
|
|
p->currentIconSheets_.clear();
|
|
p->currentHoverIcons_.clear();
|
|
p->currentIconBuffer_.clear();
|
|
p->currentIntegerBuffer_.clear();
|
|
p->textureBuffer_.clear();
|
|
}
|
|
|
|
void GeoIcons::SetVisible(bool visible)
|
|
{
|
|
p->visible_ = visible;
|
|
}
|
|
|
|
void GeoIcons::StartIconSheets()
|
|
{
|
|
// Clear the new buffer
|
|
p->newIconSheets_.clear();
|
|
}
|
|
|
|
void GeoIcons::AddIconSheet(const std::string& name,
|
|
std::size_t iconWidth,
|
|
std::size_t iconHeight,
|
|
std::int32_t hotX,
|
|
std::int32_t hotY)
|
|
{
|
|
// Populate icon sheet map
|
|
p->newIconSheets_.emplace(std::piecewise_construct,
|
|
std::tuple {name},
|
|
std::forward_as_tuple(types::IconInfo {
|
|
name, iconWidth, iconHeight, hotX, hotY}));
|
|
}
|
|
|
|
void GeoIcons::FinishIconSheets()
|
|
{
|
|
// Update icon sheets
|
|
for (auto& iconSheet : p->newIconSheets_)
|
|
{
|
|
iconSheet.second.UpdateTextureInfo();
|
|
}
|
|
|
|
std::unique_lock lock {p->iconMutex_};
|
|
|
|
// Swap buffers
|
|
p->currentIconSheets_.swap(p->newIconSheets_);
|
|
|
|
// Clear the new buffers
|
|
p->newIconSheets_.clear();
|
|
|
|
// Mark the draw item dirty
|
|
p->dirty_ = true;
|
|
}
|
|
|
|
void GeoIcons::StartIcons()
|
|
{
|
|
// Clear the new buffer
|
|
p->newIconList_.clear();
|
|
p->newValidIconList_.clear();
|
|
p->newIconBuffer_.clear();
|
|
p->newIntegerBuffer_.clear();
|
|
p->newHoverIcons_.clear();
|
|
}
|
|
|
|
std::shared_ptr<GeoIconDrawItem> GeoIcons::AddIcon()
|
|
{
|
|
return p->newIconList_.emplace_back(std::make_shared<GeoIconDrawItem>());
|
|
}
|
|
|
|
void GeoIcons::SetIconTexture(const std::shared_ptr<GeoIconDrawItem>& di,
|
|
const std::string& iconSheet,
|
|
std::size_t iconIndex)
|
|
{
|
|
di->iconSheet_ = iconSheet;
|
|
di->iconIndex_ = iconIndex;
|
|
}
|
|
|
|
void GeoIcons::SetIconLocation(const std::shared_ptr<GeoIconDrawItem>& di,
|
|
units::angle::degrees<double> latitude,
|
|
units::angle::degrees<double> longitude,
|
|
double xOffset,
|
|
double yOffset)
|
|
{
|
|
di->latitude_ = latitude.value();
|
|
di->longitude_ = longitude.value();
|
|
di->x_ = xOffset;
|
|
di->y_ = yOffset;
|
|
}
|
|
|
|
void GeoIcons::SetIconLocation(const std::shared_ptr<GeoIconDrawItem>& di,
|
|
double latitude,
|
|
double longitude,
|
|
double xOffset,
|
|
double yOffset)
|
|
{
|
|
di->latitude_ = latitude;
|
|
di->longitude_ = longitude;
|
|
di->x_ = xOffset;
|
|
di->y_ = yOffset;
|
|
}
|
|
|
|
void GeoIcons::SetIconAngle(const std::shared_ptr<GeoIconDrawItem>& di,
|
|
units::angle::degrees<double> angle)
|
|
{
|
|
di->angle_ = angle;
|
|
}
|
|
|
|
void GeoIcons::SetIconModulate(const std::shared_ptr<GeoIconDrawItem>& di,
|
|
boost::gil::rgba8_pixel_t modulate)
|
|
{
|
|
di->modulate_ = {modulate[0] / 255.0f,
|
|
modulate[1] / 255.0f,
|
|
modulate[2] / 255.0f,
|
|
modulate[3] / 255.0f};
|
|
}
|
|
|
|
void GeoIcons::SetIconModulate(const std::shared_ptr<GeoIconDrawItem>& di,
|
|
boost::gil::rgba32f_pixel_t modulate)
|
|
{
|
|
di->modulate_ = modulate;
|
|
}
|
|
|
|
void GeoIcons::SetIconHoverText(const std::shared_ptr<GeoIconDrawItem>& di,
|
|
const std::string& text)
|
|
{
|
|
di->hoverText_ = text;
|
|
}
|
|
|
|
void GeoIcons::FinishIcons()
|
|
{
|
|
// Update buffers
|
|
p->UpdateBuffers();
|
|
|
|
std::unique_lock lock {p->iconMutex_};
|
|
|
|
// Swap buffers
|
|
p->currentIconList_.swap(p->newValidIconList_);
|
|
p->currentIconBuffer_.swap(p->newIconBuffer_);
|
|
p->currentIntegerBuffer_.swap(p->newIntegerBuffer_);
|
|
p->currentHoverIcons_.swap(p->newHoverIcons_);
|
|
|
|
// 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;
|
|
|
|
// 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);
|
|
|
|
// 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];
|
|
|
|
newIconBuffer_.insert(newIconBuffer_.end(),
|
|
{
|
|
// 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
|
|
});
|
|
newIntegerBuffer_.insert(newIntegerBuffer_.end(),
|
|
{thresholdValue,
|
|
startTime,
|
|
endTime,
|
|
thresholdValue,
|
|
startTime,
|
|
endTime,
|
|
thresholdValue,
|
|
startTime,
|
|
endTime,
|
|
thresholdValue,
|
|
startTime,
|
|
endTime,
|
|
thresholdValue,
|
|
startTime,
|
|
endTime,
|
|
thresholdValue,
|
|
startTime,
|
|
endTime});
|
|
|
|
if (!di->hoverText_.empty())
|
|
{
|
|
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};
|
|
|
|
newHoverIcons_.emplace_back(
|
|
IconHoverEntry {di, sc, otl, otr, obl, obr});
|
|
}
|
|
}
|
|
}
|
|
|
|
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::Update(bool textureAtlasChanged)
|
|
{
|
|
gl::OpenGLFunctions& gl = context_->gl();
|
|
|
|
// 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 QMapLibreGL::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 the threshold
|
|
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;
|
|
util::tooltip::Show(it->di_->hoverText_, mouseGlobalPos);
|
|
}
|
|
|
|
return itemPicked;
|
|
}
|
|
|
|
} // namespace draw
|
|
} // namespace gl
|
|
} // namespace qt
|
|
} // namespace scwx
|