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Code Issues 145 Wiki Activity

feat(track): all of the unevenness in one attribute, with values for each path of a switch

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Usage, before endtrack, in mm, 0-100, separated by semicolons with no
spaces:

  a plain track:  uneven value;up;side;cross;dip
  a switch:       uneven p1-p2;p3-p4;up p1-p2;side p1-p2;up p3-p4;side p3-p4

  uneven 18           the value alone
  uneven 18;;;25;6    with its own cross level and dip at the joints
  uneven 0;;30        sideways alone
  uneven 14;35        a switch, 14 on the straight path, 35 on the diverging

What's left out takes the first number, the dip goes by the up and down
one, and a path p3-p4 with no numbers of its own takes those of p1-p2.
This replaces unevenup, unevenside, unevencross and jointdip. The fields
in the editor stay, track panel, section Ride and sound.

At the end they share, the paths of a switch keep to the lower value, and
each comes to its own value along the way. Joined switches take the lowest
of the same path, a path joined to another path the lower of the two, and
a plain track comes to the value of the path it meets. See
track_uneven_doc.md.
This commit is contained in:
maj00r
2026-10-31 18:33:35 +01:00
parent 88609a1657
commit 02abc7df0a
11 changed files with 266 additions and 96 deletions
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37
tests/unit/test_track_uneven.cpp
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@@ -140,6 +140,43 @@ TEST_CASE("uneven track: the field stays within its bound")
CHECK(highest > 0.5);
}
TEST_CASE("uneven track: all the values in one attribute")
{
auto const one{track_uneven::read_fields<6>("18")};
CHECK(one[0] == doctest::Approx(18.f));
CHECK(one[1] < 0.f);
auto const both{track_uneven::read_fields<6>("14;35")};
CHECK(both[0] == doctest::Approx(14.f));
CHECK(both[1] == doctest::Approx(35.f));
CHECK(both[2] < 0.f);
auto const gaps{track_uneven::read_fields<6>("18.5;;;25;6")};
CHECK(gaps[0] == doctest::Approx(18.5f));
CHECK(gaps[1] < 0.f);
CHECK(gaps[2] < 0.f);
CHECK(gaps[3] == doctest::Approx(25.f));
CHECK(gaps[4] == doctest::Approx(6.f));
auto const bounds{track_uneven::read_fields<6>("500;-3;x")};
CHECK(bounds[0] == doctest::Approx(track_uneven::most));
CHECK(bounds[1] == doctest::Approx(0.f));
CHECK(bounds[2] < 0.f);
CHECK(track_uneven::write_fields<6>({14.f, 35.f, -1.f, -1.f, -1.f, -1.f}) == "14;35");
CHECK(track_uneven::write_fields<6>({18.5f, -1.f, -1.f, 25.f, 6.f, -1.f}) == "18.5;;;25;6");
CHECK(track_uneven::write_fields<6>({0.f, -1.f, 30.f, -1.f, -1.f, -1.f}) == "0;;30");
CHECK(track_uneven::write_fields<6>({18.f, -1.f, -1.f, -1.f, -1.f, -1.f}) == "18");
}
TEST_CASE("uneven track: amounts take the lowest of each component")
{
auto const least{track_uneven::least({14.0, 9.0, 0.0}, {7.0, 35.0, 3.0})};
CHECK(least.up == doctest::Approx(7.0));
CHECK(least.side == doctest::Approx(9.0));
CHECK(least.cross == doctest::Approx(0.0));
// the diverging path of a switch: from the common end at the lowest to its own value at the far end
double const length{30.0};
CHECK(track_uneven::along(35.0, 7.0, 35.0, 0.0, length) == doctest::Approx(7.0));
CHECK(track_uneven::along(35.0, 7.0, 35.0, length, length) == doctest::Approx(35.0));
}
TEST_CASE("uneven track: the value along a track meets its neighbours exactly")
{
double const length{500.0};