mirror of
https://github.com/MaSzyna-EU07/StarterNG.git
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d510a55740
Randomising flipped only the card's flag, so a multi-car unit was exported with its cars in reverse order but each still facing forward - coupled back to front. A swap copied the flag without turning the new cars. Both now turn flag, cars and order together, as Flip does, and a locked unit as one.
83 lines
2.6 KiB
C#
83 lines
2.6 KiB
C#
using StarterNG.Classes;
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using StarterNG.Domain;
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using StarterNG.Domain.Vehicles;
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using StarterNG.Tests.Fakes;
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namespace StarterNG.Tests;
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public class ConsistOrientationTests
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{
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private readonly VehicleCatalog _catalog;
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private readonly TestInstallation _installation;
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public ConsistOrientationTests()
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{
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var installation = new TestInstallation(new InMemoryFileSystem()
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.WithFile(TestInstallation.At("dynamic", "pkp", "et40", "textures.txt"),
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"!=e\n^2\net40-10-a.mat=et40a,ET40-A\net40-10-b.mat=et40b,ET40-B\n" +
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"et40-16-a.mat=et40a,ET40-A\net40-16-b.mat=et40b,ET40-B"));
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installation.Vehicles.Load(installation.Library.Vehicles);
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_catalog = installation.Library.Vehicles;
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_installation = installation;
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}
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[Fact]
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public void Randomly_turned_unit_comes_out_like_a_flipped_one()
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{
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var flipped = NewConsist(out var unit);
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flipped.Flip(unit);
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var randomized = NewConsist(out _);
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randomized.RandomizeOrientation(new AlwaysTurn());
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Assert.Equal(Describe(flipped), Describe(randomized));
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}
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[Fact]
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public void A_turned_unit_has_its_cars_reversed_and_each_one_turned()
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{
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var consist = NewConsist(out _);
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consist.RandomizeOrientation(new AlwaysTurn());
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// B leads, A trails, and both face backwards - not A-B reordered but facing forward.
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Assert.Equal(new[] { "et40-10-b -1", "et40-10-a -1" }, Describe(consist));
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}
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[Fact]
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public void A_unit_put_in_place_of_a_turned_one_faces_the_same_way()
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{
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var consist = NewConsist(out var unit);
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consist.Flip(unit);
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consist.Replace(0, Unit(consist, "et40-16-a"));
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Assert.Equal(new[] { "et40-16-b -1", "et40-16-a -1" }, Describe(consist));
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}
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private Consist NewConsist(out ConsistItem unit)
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{
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var consist = new Consist(_catalog, new VehicleInfo(_catalog, _installation.Physics));
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unit = Unit(consist, "et40-10-a");
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consist.Insert(0, unit);
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return consist;
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}
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private ConsistItem Unit(Consist consist, string lead) => new()
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{
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Cars = _catalog.ResolveSet(_catalog.TextureForSkin(lead)!)!
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.Select(texture => consist.MakeDynamic(texture, null))
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.ToList(),
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Grouped = true
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};
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// The export order, each car with the way it faces.
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private static string[] Describe(Consist consist) =>
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consist.Flatten().Select(car => $"{car.SkinFile} {(car.Offset < 0 ? -1 : 1)}").ToArray();
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private sealed class AlwaysTurn : Random
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{
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public override int Next(int maxValue) => 0;
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}
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}
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