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#include "PointFile.h"
#include "i18n.h"
#include "iscenegraph.h"
#include "itextstream.h"
#include "icameraview.h"
#include "imap.h"
#include "iorthoview.h"
#include <fstream>
#include <iostream>
#include "math/Matrix4.h"
#include "math/Vector3.h"
#include "map/Map.h"
#include "scene/PointTrace.h"
#include <fmt/format.h>
#include "module/StaticModule.h"
#include "command/ExecutionFailure.h"
namespace map
{
namespace
{
const Colour4b RED(255, 0, 0, 1);
}
// Constructor
PointFile::PointFile() :
_curPos(0),
_renderable(_points)
{
GlobalCommandSystem().addCommand(
"NextLeakSpot", sigc::mem_fun(*this, &PointFile::nextLeakSpot)
);
GlobalCommandSystem().addCommand(
"PrevLeakSpot", sigc::mem_fun(*this, &PointFile::prevLeakSpot)
);
}
PointFile::~PointFile()
{
}
void PointFile::onMapEvent(IMap::MapEvent ev)
{
if (ev == IMap::MapUnloading || ev == IMap::MapSaved)
{
show({});
}
}
bool PointFile::isVisible() const
{
return !_points.empty();
}
void PointFile::show(const fs::path& pointfile)
{
// Update the status if required
if (!pointfile.empty())
{
// Parse the pointfile from disk
parse(pointfile);
// Construct shader if needed, and activate rendering
auto renderSystem = GlobalMapModule().getRoot()->getRenderSystem();
if (renderSystem)
{
_renderable.update(renderSystem->capture(BuiltInShaderType::PointTraceLines));
}
}
else if (isVisible())
{
_points.clear();
_renderable.clear();
}
// Regardless whether hide or show, we reset the current position
_curPos = 0;
// Redraw the scene
SceneChangeNotify();
}
void PointFile::parse(const fs::path& pointfile)
{
// Open the first pointfile and get its input stream if possible
std::ifstream inFile(pointfile);
if (!inFile)
{
throw cmd::ExecutionFailure(
fmt::format(_("Could not open pointfile: {0}"), pointfile.string())
);
}
// Construct vertices from parsed point data
PointTrace trace(inFile);
for (auto pos: trace.points())
{
_points.emplace_back(pos, RED);
}
}
// advance camera to previous point
void PointFile::advance(bool forward)
{
if (!isVisible())
{
return;
}
if (forward)
{
if (_curPos + 2 >= _points.size())
{
rMessage() << "End of pointfile" << std::endl;
return;
}
_curPos++;
}
else // Backward movement
{
if (_curPos == 0)
{
rMessage() << "Start of pointfile" << std::endl;
return;
}
_curPos--;
}
try
{
auto& cam = GlobalCameraManager().getActiveView();
cam.setCameraOrigin(_points[_curPos].vertex);
if (module::GlobalModuleRegistry().moduleExists(MODULE_ORTHOVIEWMANAGER))
{
GlobalOrthoViewManager().setOrigin(_points[_curPos].vertex);
}
{
Vector3 dir((_points[_curPos + 1].vertex - cam.getCameraOrigin()).getNormalised());
Vector3 angles(cam.getCameraAngles());
angles[camera::CAMERA_YAW] = radians_to_degrees(atan2(dir[1], dir[0]));
angles[camera::CAMERA_PITCH] = radians_to_degrees(asin(dir[2]));
cam.setCameraAngles(angles);
}
// Redraw the scene
SceneChangeNotify();
}
catch (const std::runtime_error& ex)
{
rError() << "Cannot set camera view position: " << ex.what() << std::endl;
}
}
void PointFile::nextLeakSpot(const cmd::ArgumentList& args)
{
advance(true);
}
void PointFile::prevLeakSpot(const cmd::ArgumentList& args)
{
advance(false);
}
} // namespace map
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