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Add icon visibility method to geo icons, update only dirty icons

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This commit is contained in:
Dan Paulat 2024-04-20 00:34:50 -05:00
parent fcf6ef800b
commit 9cb29c6b9a
4 changed files with 328 additions and 155 deletions
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417
scwx-qt/source/scwx/qt/gl/draw/geo_icons.cpp
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@ -8,6 +8,7 @@
#include <execution>
#include <boost/unordered/unordered_flat_map.hpp>
#include <boost/unordered/unordered_flat_set.hpp>
namespace scwx
{
@ -32,8 +33,10 @@ static constexpr std::size_t kIconBufferLength =
static constexpr std::size_t kTextureBufferLength =
kNumTriangles * kVerticesPerTriangle * kPointsPerTexCoord;
// Threshold, start time, end time
static constexpr std::size_t kIntegersPerVertex_ = 3;
// Threshold, start time, end time, displayed
static constexpr std::size_t kIntegersPerVertex_ = 4;
static constexpr std::size_t kIntegerBufferLength_ =
kNumTriangles * kVerticesPerTriangle * kIntegersPerVertex_;
struct GeoIconDrawItem
{
@ -42,6 +45,7 @@ struct GeoIconDrawItem
std::chrono::sys_time<std::chrono::seconds> endTime_ {};
boost::gil::rgba32f_pixel_t modulate_ {1.0f, 1.0f, 1.0f, 1.0f};
bool visible_ {true};
double latitude_ {};
double longitude_ {};
double x_ {};
@ -50,6 +54,8 @@ struct GeoIconDrawItem
std::string iconSheet_ {};
std::size_t iconIndex_ {};
std::string hoverText_ {};
std::shared_ptr<types::IconInfo> iconInfo_ {};
};
class GeoIcons::Impl
@ -82,9 +88,15 @@ public:
~Impl() {}
void UpdateBuffers();
void UpdateTextureBuffer();
void Update(bool textureAtlasChanged);
void UpdateBuffers();
static void UpdateSingleBuffer(const std::shared_ptr<GeoIconDrawItem>& di,
std::size_t iconIndex,
std::vector<float>& iconBuffer,
std::vector<GLint>& integerBuffer,
std::vector<IconHoverEntry>& hoverIcons);
void UpdateTextureBuffer();
void UpdateModifiedIconBuffers();
void Update(bool textureAtlasChanged);
std::shared_ptr<GlContext> context_;
@ -93,13 +105,16 @@ public:
bool thresholded_ {false};
bool lastTextureAtlasChanged_ {false};
boost::unordered_flat_set<std::shared_ptr<GeoIconDrawItem>> dirtyIcons_ {};
std::chrono::system_clock::time_point selectedTime_ {};
std::mutex iconMutex_;
boost::unordered_flat_map<std::string, types::IconInfo>
boost::unordered_flat_map<std::string, std::shared_ptr<types::IconInfo>>
currentIconSheets_ {};
boost::unordered_flat_map<std::string, types::IconInfo> newIconSheets_ {};
boost::unordered_flat_map<std::string, std::shared_ptr<types::IconInfo>>
newIconSheets_ {};
std::vector<std::shared_ptr<GeoIconDrawItem>> currentIconList_ {};
std::vector<std::shared_ptr<GeoIconDrawItem>> newIconList_ {};
@ -240,6 +255,15 @@ void GeoIcons::Initialize()
reinterpret_cast<void*>(1 * sizeof(GLint)));
gl.glEnableVertexAttribArray(6);
// aDisplayed
gl.glVertexAttribPointer(7,
1,
GL_INT,
GL_FALSE,
kIntegersPerVertex_ * sizeof(GLint),
reinterpret_cast<void*>(3 * sizeof(float)));
gl.glEnableVertexAttribArray(7);
p->dirty_ = true;
}
@ -338,10 +362,11 @@ void GeoIcons::AddIconSheet(const std::string& name,
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}));
p->newIconSheets_.emplace(
std::piecewise_construct,
std::tuple {name},
std::forward_as_tuple(std::make_shared<types::IconInfo>(
name, iconWidth, iconHeight, hotX, hotY)));
}
void GeoIcons::FinishIconSheets()
@ -349,7 +374,7 @@ void GeoIcons::FinishIconSheets()
// Update icon sheets
for (auto& iconSheet : p->newIconSheets_)
{
iconSheet.second.UpdateTextureInfo();
iconSheet.second->UpdateTextureInfo();
}
std::unique_lock lock {p->iconMutex_};
@ -379,12 +404,26 @@ std::shared_ptr<GeoIconDrawItem> GeoIcons::AddIcon()
return p->newIconList_.emplace_back(std::make_shared<GeoIconDrawItem>());
}
void GeoIcons::SetIconVisible(const std::shared_ptr<GeoIconDrawItem>& di,
bool visible)
{
if (di->visible_ != visible)
{
di->visible_ = visible;
p->dirtyIcons_.insert(di);
}
}
void GeoIcons::SetIconTexture(const std::shared_ptr<GeoIconDrawItem>& di,
const std::string& iconSheet,
std::size_t iconIndex)
{
di->iconSheet_ = iconSheet;
di->iconIndex_ = iconIndex;
if (di->iconSheet_ != iconSheet || di->iconIndex_ != iconIndex)
{
di->iconSheet_ = iconSheet;
di->iconIndex_ = iconIndex;
p->dirtyIcons_.insert(di);
}
}
void GeoIcons::SetIconLocation(const std::shared_ptr<GeoIconDrawItem>& di,
@ -393,10 +432,16 @@ void GeoIcons::SetIconLocation(const std::shared_ptr<GeoIconDrawItem>& di,
double xOffset,
double yOffset)
{
di->latitude_ = latitude.value();
di->longitude_ = longitude.value();
di->x_ = xOffset;
di->y_ = yOffset;
if (di->latitude_ != latitude.value() ||
di->longitude_ != longitude.value() || di->x_ != xOffset ||
di->y_ != yOffset)
{
di->latitude_ = latitude.value();
di->longitude_ = longitude.value();
di->x_ = xOffset;
di->y_ = yOffset;
p->dirtyIcons_.insert(di);
}
}
void GeoIcons::SetIconLocation(const std::shared_ptr<GeoIconDrawItem>& di,
@ -405,37 +450,63 @@ void GeoIcons::SetIconLocation(const std::shared_ptr<GeoIconDrawItem>& di,
double xOffset,
double yOffset)
{
di->latitude_ = latitude;
di->longitude_ = longitude;
di->x_ = xOffset;
di->y_ = yOffset;
if (di->latitude_ != latitude || di->longitude_ != longitude ||
di->x_ != xOffset || di->y_ != yOffset)
{
di->latitude_ = latitude;
di->longitude_ = longitude;
di->x_ = xOffset;
di->y_ = yOffset;
p->dirtyIcons_.insert(di);
}
}
void GeoIcons::SetIconAngle(const std::shared_ptr<GeoIconDrawItem>& di,
units::angle::degrees<double> angle)
{
di->angle_ = angle;
if (di->angle_ != angle)
{
di->angle_ = angle;
p->dirtyIcons_.insert(di);
}
}
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};
boost::gil::rgba32f_pixel_t newModulate = {modulate[0] / 255.0f,
modulate[1] / 255.0f,
modulate[2] / 255.0f,
modulate[3] / 255.0f};
if (di->modulate_ != newModulate)
{
di->modulate_ = {modulate[0] / 255.0f,
modulate[1] / 255.0f,
modulate[2] / 255.0f,
modulate[3] / 255.0f};
p->dirtyIcons_.insert(di);
}
}
void GeoIcons::SetIconModulate(const std::shared_ptr<GeoIconDrawItem>& di,
boost::gil::rgba32f_pixel_t modulate)
{
di->modulate_ = modulate;
if (di->modulate_ != modulate)
{
di->modulate_ = modulate;
p->dirtyIcons_.insert(di);
}
}
void GeoIcons::SetIconHoverText(const std::shared_ptr<GeoIconDrawItem>& di,
const std::string& text)
{
di->hoverText_ = text;
if (di->hoverText_ != text)
{
di->hoverText_ = text;
p->dirtyIcons_.insert(di);
}
}
void GeoIcons::FinishIcons()
@ -482,10 +553,11 @@ void GeoIcons::Impl::UpdateBuffers()
continue;
}
auto& icon = it->second;
auto& icon = it->second;
di->iconInfo_ = icon;
// Validate icon
if (di->iconIndex_ >= icon.numIcons_)
if (di->iconIndex_ >= icon->numIcons_)
{
// No icon found
logger_->warn("Invalid icon index: {}", di->iconIndex_);
@ -495,101 +567,162 @@ void GeoIcons::Impl::UpdateBuffers()
// 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()));
// Update icon buffer
UpdateSingleBuffer(di,
newValidIconList_.size() - 1,
newIconBuffer_,
newIntegerBuffer_,
newHoverIcons_);
}
// 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());
// All icons have been updated
dirtyIcons_.clear();
}
// Latitude and longitude coordinates in degrees
const float lat = static_cast<float>(di->latitude_);
const float lon = static_cast<float>(di->longitude_);
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_;
// Base X/Y offsets in pixels
const float x = static_cast<float>(di->x_);
const float y = static_cast<float>(di->y_);
// Threshold value
units::length::nautical_miles<double> threshold = di->threshold_;
GLint thresholdValue = static_cast<GLint>(std::round(threshold.value()));
// Icon size
const float iw = static_cast<float>(icon.iconWidth_);
const float ih = static_cast<float>(icon.iconHeight_);
// 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());
// Hot X/Y (zero-based icon center)
const float hx = static_cast<float>(icon.hotX_);
const float hy = static_cast<float>(icon.hotY_);
// Latitude and longitude coordinates in degrees
const float lat = static_cast<float>(di->latitude_);
const float lon = static_cast<float>(di->longitude_);
// 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);
// Base X/Y offsets in pixels
const float x = static_cast<float>(di->x_);
const float y = static_cast<float>(di->y_);
// Angle in degrees
units::angle::degrees<float> angle = di->angle_;
const float a = angle.value();
// Icon size
const float iw = static_cast<float>(icon->iconWidth_);
const float ih = static_cast<float>(icon->iconHeight_);
// 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];
// Hot X/Y (zero-based icon center)
const float hx = static_cast<float>(icon->hotX_);
const float hy = static_cast<float>(icon->hotY_);
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});
// 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);
if (!di->hoverText_.empty())
// 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())
{
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())
{
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});
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);
}
}
@ -627,7 +760,7 @@ void GeoIcons::Impl::UpdateTextureBuffer()
auto& icon = it->second;
// Validate icon
if (di->iconIndex_ >= icon.numIcons_)
if (di->iconIndex_ >= icon->numIcons_)
{
// No icon found
logger_->error("Invalid icon index: {}", di->iconIndex_);
@ -653,17 +786,17 @@ void GeoIcons::Impl::UpdateTextureBuffer()
}
// Texture coordinates
const std::size_t iconRow = (di->iconIndex_) / icon.columns_;
const std::size_t iconColumn = (di->iconIndex_) % icon.columns_;
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 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_);
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(
@ -681,17 +814,51 @@ void GeoIcons::Impl::UpdateTextureBuffer()
}
}
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();
iconSheet.second->UpdateTextureInfo();
}
// Update OpenGL texture buffer data