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Code Issues 151 Wiki Activity

feat(editor): the vertical profile shows the terrain model, the terrain follows it, the camera follows the plot

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- The plot draws the ground of the terrain model (NMT) as measured, before any earthworks. The squares under the route are fetched in the background. The tooltip gives the grade line's distance from the model.
- Applying a profile lays the formation of the changed tracks anew, or reshapes the route's earthworks when there are any, so the heightmap terrain follows the new grade line. The terrain step is joined to the track step: one undo takes both back.
- In 3D and in the top view, the camera shows the part of the route the plot shows once the plot stops moving. It keeps clear of the floating plot window. A toggle turns this off.
- nmt_shape_tracks can shape only the given tracks, removing the modifiers of their paths that are gone.
This commit is contained in:
maj00r
2026-10-19 17:10:20 +02:00
parent fe2cd6a09a
commit 97be54e688
5 changed files with 322 additions and 15 deletions
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28
application/editormodenmt.cpp
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@@ -508,11 +508,12 @@ bool editor_mode::add_chunk_from_nmt(heightmap::chunk_key const &Key)
return true;
}
void editor_mode::nmt_shape_tracks()
std::size_t editor_mode::nmt_shape_tracks(std::vector<TTrack *> const *Only)
{
auto &state{m_nmt_state};
if (false == ensure_terrain())
return;
return 0;
auto const wanted = [&](TTrack const *Track) { return Only == nullptr || std::find(Only->begin(), Only->end(), Track) != Only->end(); };
// one modifier per path: the formation under its axis and the slopes from its edges to the ground. laid over each other the
// modifiers keep the highest of the slopes going down and the lowest of those going up, so tracks side by side share one
// formation instead of a saw of their own ones
@@ -524,6 +525,8 @@ void editor_mode::nmt_shape_tracks()
bool broken{false};
for (auto const &place : nmt_track_places(step))
{
if (false == wanted(place.track))
continue;
std::pair<TTrack *, int> const path{place.track, place.path};
if (path != previous)
broken = false;
@@ -552,9 +555,28 @@ void editor_mode::nmt_shape_tracks()
for (auto &[path, modifier] : modifiers)
if (modifier.points.size() >= 2)
laid.push_back(std::move(modifier));
if (Only != nullptr)
{
// the modifiers the tracks don't have any more: of the pieces of a path gone, of the tracks removed
std::vector<std::string> gone;
for (auto const *track : *Only)
{
if (track == nullptr || track->name().empty())
continue;
auto const own{"nmt " + track->name()};
for (auto const &modifier : m_streamer.modifiers())
if ((modifier.name == own || modifier.name.starts_with(own + " ")) && std::none_of(laid.begin(), laid.end(), [&](heightmap::modifier const &Laid) { return Laid.name == modifier.name; }))
gone.push_back(modifier.name);
}
for (auto const &name : gone)
m_streamer.remove_modifier(name);
}
auto const count{laid.size()};
m_streamer.modifiers(std::move(laid));
forget_ground();
state.shaped = modifiers.size();
if (Only == nullptr)
state.shaped = modifiers.size();
return count;
}
void editor_mode::nmt_update()