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321c9dd7ab
The track layout library came in as a subproject of its own -- its own CMakeLists, its own install and export rules, its own include tree -- which only made the build harder to follow now that everything else is a module. It is part of the editor, so it lives where the editor lives. - editor/plan_*.cppm / plan_*.cpp: the fifteen interface units and twelve implementation units, flat in editor/ beside editorTerrain and orthophoto, with the plan_ prefix keeping them clear of what was already there (editor/turnouts is the preset catalogue, so the geometry is plan_turnout_geometry). - modules are named eu07.editor.plan_*, like every other module in the tree. - namespaces move under the editor's own: editor::plan, editor::plan::geometry, ::io, ::render. The library's old name is gone from the sources and the docs. - every moved file carries the MPL header the rest of the tree carries; it had none. version.hpp went with the subproject: macros only, and unused. - the umbrella header is dropped -- nothing imported it. - the unit tests survive the fold: editor/tests, behind EU07_EDITOR_PLAN_TESTS (off by default), compiles the interfaces a second time into a small library of its own, because a test can only import modules from a target it links and linking the game would drag the whole simulator in. The code under test needs nothing but a compiler. 7/7 pass. - a switch may now be written with two dashes as well: --editor beside -editor. Builds with clang 22 (-DWITH_BETTER_RENDERER=OFF); -editor and --editor both come up in the editor on empty ground.
56 lines
1.5 KiB
C++
56 lines
1.5 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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module;
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#include <cstdint>
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#include <vector>
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export module eu07.editor.plan_rail_renderer;
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export import eu07.editor.plan_track_renderer;
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export {
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namespace editor::plan::render {
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/// A drawable polyline produced by RailRenderer: one rail, carrying the logical
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/// metadata of the centreline element it came from so the host can colour and
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/// hit-test it.
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struct RailPolyline {
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ElementKind kind{ElementKind::Straight};
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std::vector<Point> points;
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std::uint32_t element_id{0};
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std::uint32_t owner_id{0};
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bool from_turnout{false};
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double length{0.0};
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double radius_start{0.0};
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double radius_end{0.0};
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};
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/// Renders each centreline as two parallel rails a fixed gauge apart — the track
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/// is drawn as its rails, not its axis. A concrete TrackRenderer; substituting a
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/// different one (single-axis, SVG, ...) needs no change to the solver.
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class RailRenderer : public TrackRenderer {
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public:
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/// @param gauge_metres distance between the two rails (default 1.5 m).
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explicit RailRenderer(double gauge_metres = 1.5) noexcept;
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void add(const CentrelineElement& element) override;
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[[nodiscard]] const std::vector<RailPolyline>& rails() const noexcept {
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return rails_;
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}
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private:
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double half_gauge_;
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std::vector<RailPolyline> rails_;
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};
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} // namespace editor::plan::render
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} // export
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