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Code Issues 157 Wiki Activity

feat(sleepers): the crossings at wide angles laid on timbers: where two tracks cross so wide they're laid as a grid, the one track carries timbers square to it through the crossing, two side by side under each rail of the other, which lays none there; the rail running along the two held on their seam by fastenings as far apart as the beams at most, clear of the fastenings of the rails across; the guard rails of the crossings at wide and middle angles held as the rails beside are, a running rail with its guard rail in the fastening of both, the rails crowding at the corners under one plate; the beams under the guard rails timbers as far as the guard rails reach; the fastenings selftest lists the rails on each timber with detail rails

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maj00r
2026-10-23 23:37:28 +02:00
parent 997a8da41d
commit 2e00619d7f
7 changed files with 290 additions and 50 deletions
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40
world/SleeperFastenings.h
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@@ -45,13 +45,6 @@ struct fastening {
class fastened_rails {
public:
explicit fastened_rails( TTrack &Track );
// the fastenings of the rails on the timber, of the parts the model has
std::vector<fastening> on( beam const &Beam, beam_model const &Model ) const;
// where the rails on the timber lie over none of the fastenings
std::vector<glm::dvec2> bare( beam const &Beam, beam_model const &Model, std::vector<fastening> const &Fastenings ) const;
private:
// what a rail is where it lies on a timber
enum class role {
plain,
@@ -59,6 +52,24 @@ private:
stock, // the stock rail of a switch with the blade beside it
checked // a rail with a check rail beside it
};
// where a rail crosses a timber
struct hit {
double at { 0.0 }; // along the timber, from its from end
role kind { role::plain };
glm::dvec2 inward { 1.0, 0.0 };
double foot { 0.0 };
double rise { 0.0 };
};
explicit fastened_rails( TTrack &Track );
// the fastenings of the rails on the timber, of the parts the model has
std::vector<fastening> on( beam const &Beam, beam_model const &Model ) const;
// the rails lying on the timber, in the order along it
std::vector<hit> lying( beam const &Beam ) const;
// where the rails on the timber lie over none of the fastenings
std::vector<glm::dvec2> bare( beam const &Beam, beam_model const &Model, std::vector<fastening> const &Fastenings ) const;
private:
// a rail by points along its middle
struct rail {
TTrack *track { nullptr };
@@ -76,15 +87,10 @@ private:
glm::dvec2 blade { -1.0 };
glm::dvec2 stock { -1.0 };
std::vector<glm::dvec2> checks;
std::vector<glm::dvec2> guards; // with the guard rail of a crossing at a wide angle inside it
bool guard { false }; // the guard rail itself
role at( double const Distance ) const;
};
// where a rail crosses a timber
struct hit {
double at { 0.0 }; // along the timber, from its from end
role kind { role::plain };
glm::dvec2 inward { 1.0, 0.0 };
double foot { 0.0 };
double rise { 0.0 };
bool guarded( double const Distance ) const;
};
// the rails lying on the timber, in the order along it, one where several lie on one another, but the blades
@@ -95,6 +101,10 @@ private:
// the fastenings under the raised rails: one holding them moved up on a pad as far as the least raised of them, a rail not raised
// sunk in it, a rail raised more on a pad of its own on it
static void lift( std::vector<fastening> &Fastenings, std::vector<hit> const &Rails, beam const &Beam, beam_model const &Model );
// the plates of the rails lying along the timber rather than across it, as of a track crossing another square to it, on two
// timbers side by side under each of its rails: as far apart as the beams at most, in the room the fastenings of the rails
// across leave, on the timber with the rail over its middle or over its side toward the next one
void along( std::vector<fastening> &Fastenings, beam const &Beam, beam_model const &Model ) const;
std::vector<rail> m_rails;
};