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d72fa51ce5
- SleeperRules: the rules beams are laid by and the faults counted where the layout breaks them - SleeperGeometry: plan helpers, beam boxes with their overlap and support tests and a grid of cells, shared by laying, filling gaps, keeping beams apart and checking instead of three copies of each - SleeperPaths: sampled paths, how near they run and whether one carries another; the tracks near a track and the stretches of a path where a test holds, shared by paths_around/unsettle_around and shared_zones/zones_of - SleeperFeatures: frogs and crossings the timbers turn to; SleeperLines: lines of beams, the rails they carry, where they part - SleeperLayout: clusters and their layout, given the epoch instead of reading it; SleeperModels: the models of the beams - SleeperWorker: the layouts kept per epoch and worked out in the background, behind a small interface - TrackSleepers: the facade, laying the instances, the shared zones and the check - sleepercheck reports a digest of all beams; geomhash skips empty chunks instead of crashing The layout is unchanged: geomhash, sleepercheck with the digest, wings, space, guards, crossings and switches give the same output on baltyk, zz_rozjazdy_id4, zz_rf_slips, zz_rf_wide, zz_slips_s42, zz_demo_przechylka and zz_connections.
162 lines
8.9 KiB
C++
162 lines
8.9 KiB
C++
/*
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This Source Code Form is subject to the
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terms of the Mozilla Public License, v.
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2.0. If a copy of the MPL was not
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distributed with this file, You can
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obtain one at
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http://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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#include <array>
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#include <cstdint>
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#include <string>
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#include <utility>
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#include <vector>
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#include <glm/glm.hpp>
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class TTrack;
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class TModel3d;
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class TSubModel;
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// sleepers and switch timbers laid under the rails of the tracks whose ballast the simulator makes, when a model of them
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// is set with sleepers3d in eu07.ini. A timber is put together from the parts of the model: its two ends and the piece between
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// them, repeated and stretched to the length of the beam, so one model makes the timbers of any length; a model without such
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// parts is drawn whole, stretched. The sleepers of plain tracks are a whole model of their own, set with sleepers3dplain, drawn
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// at their own length. A track can have models of its own: of its sleepers with sleepermodel, of its timbers with timbermodel.
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namespace track_sleepers {
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// the parts of the model a beam is put together from, by the names of the submodels
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enum part : int {
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part_begin, // the end of the beam on its +x side
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part_main, // the piece between the ends
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part_end, // the end on the -x side
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part_count
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};
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// a sleeper or a timber, by the middle of its top face at both ends
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struct beam {
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glm::dvec3 from;
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glm::dvec3 to;
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glm::dvec3 along; // unit vector across the beam, along the tracks it carries
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bool plain { false }; // a sleeper of a track running alone, square to it, not a timber of a switch or a crossing
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double corefrom { 0.0 }; // the stretch the feet of the rails it carries take, along it from its from end
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double coreto { 0.0 };
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};
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// a model sleepers or timbers are made of, as found in it
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struct beam_model {
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std::string name;
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std::string skinname;
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TModel3d *model { nullptr };
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int skin { 0 }; // the replacable skin, 0 for the textures of the model
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// put together from its submodels begin, main and end, the one between stretched and repeated to the length of a timber; a
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// model without these is drawn whole, a plain sleeper at its own length and a timber stretched to its length
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bool stretchable { false };
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std::array<TSubModel *, part_count> parts {};
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std::array<glm::vec2, part_count> spans {}; // from and to along x, of the parts
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glm::vec2 span { -1.3f, 1.3f }; // from and to along x, of the most detailed submodels of the whole model
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float seat { 0.f }; // the height in the model the feet of the rails go to
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std::vector<float> bands; // the squared distances the levels of detail of the model are seen from, the nearest first
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float length() const { return span.y - span.x; }
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};
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// a run of beams of a track drawn or left out together, by the sphere around them
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struct chunk {
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glm::vec3 centre; // relative to the origin of the track
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float radius { 0.f };
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std::array<std::uint32_t, part_count> first {};
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std::array<std::uint32_t, part_count> last {};
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std::uint32_t wholefirst { 0 }; // the timbers of the run made of a whole model
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std::uint32_t wholelast { 0 };
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std::uint32_t plainfirst { 0 }; // the sleepers of the run made of the model of the plain sleepers
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std::uint32_t plainlast { 0 };
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};
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// the beams laid under a track, as the instances of the parts of the model
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struct laid {
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bool active { false }; // the track gets beams and its ballast is lowered under them; set as its geometry is made
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bool dirty { true }; // the beams are to be laid again before they're drawn
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bool laying { false }; // the beams are being placed, so the tracks about it work out its beams themselves meanwhile
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beam_model const *timbers { nullptr }; // the model the timbers are made of
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beam_model const *plains { nullptr }; // the model of the plain sleepers, null where they're made of that of the timbers
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std::array<std::vector<glm::mat4>, part_count> instances; // transforms of the parts relative to the origin of the track
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std::vector<glm::mat4> whole; // transforms of the timbers of a model without parts, drawn whole
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std::vector<glm::mat4> plain; // transforms of the plain sleepers, whole models, relative to the origin of the track
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std::vector<chunk> chunks;
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std::vector<beam> beams; // as they're laid
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};
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// how far the ballast of a track with beams is lowered, so they stick out of it
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double constexpr bed_drop { 0.06 };
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// the model the timbers are made of where a track has none of its own, set with sleepers3d in eu07.ini and loaded on the first
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// use; null when there's none, and no beams are laid
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beam_model const *timber_model();
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// the model of the sleepers of the tracks running alone, set with sleepers3dplain; null when there's none
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beam_model const *plain_model();
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// the models the track lays its beams of: those set for it with timbermodel and sleepermodel, else the ones of eu07.ini
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beam_model const *timber_model( TTrack const &Track );
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beam_model const *plain_model( TTrack const &Track );
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// how long the plain sleepers of the track are, of the model it lays them of; 2.6 m at the standard gauge where there's none
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double plain_length( TTrack const &Track );
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// whether the track has the ballast the simulator makes, which the beams are laid on when there's a model of them
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bool bedded( TTrack const &Track );
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// whether the track gets beams: a rail track with the ballast made by the simulator, and the model is there
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bool lays( TTrack const &Track );
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// where along the path of the track its rails lie on timbers shared with other tracks: where another track runs so near that
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// the plain sleepers of the two would touch, of the lengths of the models they'd be made of. this goes by the shape of the
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// tracks alone, so it holds whether the beams are drawn or not. the stretches in the order along the path, none where there
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// are no shared timbers
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std::vector<std::pair<double, double>> shared_zones( TTrack const &Track, int const Path );
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// from the start of the first of these stretches to the end of the last, both zero where there's none
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std::pair<double, double> shared_zone( TTrack const &Track, int const Path );
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// a model of sleepers or timbers in the scenery data, by the name it's loaded by
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struct pack_model {
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std::string name;
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bool timber { false }; // has the submodels begin, main and end a timber is put together from
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};
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// the models of sleepers and timbers in the scenery data, found once in models/ by the names of their files telling sleepers
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// or timbers: podklad, podrozjazd, sleeper, timber. the timber ones first, then by the name
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std::vector<pack_model> const &pack_models();
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// the beams of the track placed anew, as instances of the parts of the model
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void lay( TTrack &Track );
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// the beams of the tracks around the track to be placed again, as they depend on where it runs
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void unsettle_around( TTrack &Track );
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// the beams worked out in a thread of their own as the tracks come near, while the simulation runs; off in the editor, where the
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// tracks change and the beams are worked out as they're needed. turning it off waits for the beams being worked out
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void lay_in_background( bool const Background );
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// the beams of the track worked out ahead, before it comes in range
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void prefetch( TTrack &Track );
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// what's wrong with the layout of the beams of all the tracks: beams over each other, rails with too few beams under them,
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// timbers shared by rails out of one plane
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struct layout_check {
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std::size_t beams { 0 };
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std::size_t overlaps { 0 };
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std::size_t gaps { 0 }; // stretches of rail with the beams under it further apart than the pitch allows
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std::size_t bare { 0 }; // rails with no beams under them at all
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std::size_t toolong { 0 };
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std::size_t offplane { 0 }; // timbers shared by rails out of one plane, where the tracks run too close to part them
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std::size_t clipped { 0 }; // beam ends cut shorter than the least overhang to keep clear of the beams of other tracks
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std::size_t dropped { 0 }; // beams left out where they'd lie over one laid before
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double slowest { 0.0 }; // the longest a cluster of tracks took to lay, in ms
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std::size_t biggest { 0 }; // the most tracks in a cluster
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std::size_t panels { 0 }; // switches with their paths out of one plane where they share the timbers of the panel
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std::uint64_t digest { 0 }; // of where all the beams lie, to tell whether a change of the code moved any
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double longest { 0.0 };
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double widest { 0.0 }; // the widest spacing of the beams under a rail
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std::string widestat;
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std::vector<std::string> examples;
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};
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layout_check check();
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// the beams laid with the track: the tracks whose plain sleepers would meet make a cluster laid together, lines of timbers
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// across all of their rails turned to the bisectors of frogs and crossings, and the plain sleepers square to each track where no
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// timber carries it, in step with the timbers. every beam is laid with one track of the cluster
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std::vector<beam> place( TTrack &Track );
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} // namespace track_sleepers
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