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bf82c35734
"New map" now asks what is being started. A fictional scenery keeps its own frame, where coordinates mean nothing outside it. A real one pins the scenery's zero to a point picked off a map of Poland, so the plan is drawn in EPSG:2180 - the frame the layout library already works in, and the one Geoportal serves imagery in. The projection is the standard transverse Mercator series for PUWG 1992 on GRS80. Checked against known values: the central meridian comes out at easting 500000 exactly, Warszawa at 637382/486757, Krakow at 567614/244588, Gdansk at 477038/720937. The map behind the picker is a schematic border outline plus the larger cities, projected from geographic coordinates on first use. It is coarse on purpose - it is there to point at a region, not to measure against - and the dialog says so. No network is involved.
80 lines
3.1 KiB
C++
80 lines
3.1 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 "application/uilayer.h"
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#include "maj0sted/app/editor_document.hpp"
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#include "maj0sted/web/editor.hpp"
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// track layout tool: straights laid down by hand on the scenery itself and the curves fitted into
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// the gaps between them. the panel holds only the controls - the drawing happens in the viewport,
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// which the tool puts into a top-down orthographic view for the purpose. none of the geometry is
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// computed here: maj0sted solves the whole document and the panel paints what comes back.
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class plan_panel : public ui_panel
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{
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public:
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plan_panel(std::string const &Name, bool const Isopen);
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void update() override;
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void render_contents() override;
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private:
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// methods
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void render_toolbar();
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void render_gaps();
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void render_storage();
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// asks what kind of scenery is being started, and where on the map it sits
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void render_newmap_dialog();
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void render_location_dialog();
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// clears the drawing and sets the point of EPSG:2180 that the scenery's zero stands for
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void start_map(bool const Georeferenced, double const Originx, double const Originy);
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// paints the solved plan over the rendered scenery and takes the clicks that build it
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void handle_scene();
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void draw_on_scene();
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// re-runs the solver over the whole document; cheap enough to do on every edit
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void solve();
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maj0sted::web::NiweletaSpec *current_niweleta();
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maj0sted::web::NiweletaSpec const *current_niweleta() const;
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// keeps exactly one fit slot per gap, so a gap's parameters survive edits to its neighbours
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void align_fits();
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// true when the solver actually produced the fit requested for the given gap
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bool fit_applied(std::size_t const Gap) const;
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// the panel edits a chained polyline, so a vertex is shared by the two straights meeting at it.
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// the library allows fully independent straights; that freedom just isn't exposed here yet
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std::size_t vertex_count() const;
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void vertex_position(std::size_t const Index, double &X, double &Y) const;
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void append_vertex(double const X, double const Y);
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void move_vertex(std::size_t const Index, double const X, double const Y);
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void drop_last_vertex();
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// takes the camera to the middle of the drawing
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void go_to_plan();
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// members
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maj0sted::app::EditorDocument m_document;
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std::vector<maj0sted::web::NiweletaPolys> m_solved;
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std::size_t m_niweleta{0}; // niweleta being drawn into
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int m_draggedvertex{-1};
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bool m_drawing{true}; // whether a click on the scenery lays track or only picks existing points
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// first corner of a niweleta has nothing to attach to, so it waits for the second click
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bool m_pending{false};
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double m_pendingx{0.0};
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double m_pendingy{0.0};
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std::string m_status;
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char m_path[256]{"editor/plan.m0s"};
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// location picker: the point being considered, and the view over the schematic map of Poland
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bool m_pickingplace{false};
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double m_pickx{0.0};
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double m_picky{0.0};
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double m_mapviewx{0.0};
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double m_mapviewy{0.0};
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double m_mapscale{0.0};
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};
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