<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source to the Rust file `map_gui/src/render/road.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>road.rs.html -- source</title><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled ><script src="../../../storage.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"> <link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"> 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class="example-wrap"><pre class="rust "> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">cell</span>::<span class="ident">RefCell</span>; <span class="kw">use</span> <span class="ident">geom</span>::{<span class="ident">Distance</span>, <span class="ident">Polygon</span>, <span class="ident">Pt2D</span>}; <span class="kw">use</span> <span class="ident">map_model</span>::{<span class="ident">LaneType</span>, <span class="ident">Map</span>, <span class="ident">Road</span>, <span class="ident">RoadID</span>}; <span class="kw">use</span> <span class="ident">widgetry</span>::{<span class="ident">Drawable</span>, <span class="ident">GeomBatch</span>, <span class="ident">GfxCtx</span>, <span class="ident">Line</span>, <span class="ident">Text</span>}; <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">render</span>::{<span class="ident">DrawOptions</span>, <span class="ident">Renderable</span>}; <span class="kw">use</span> <span class="kw">crate</span>::{<span class="ident">AppLike</span>, <span class="ident">ID</span>}; <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">DrawRoad</span> { <span class="kw">pub</span> <span class="ident">id</span>: <span class="ident">RoadID</span>, <span class="ident">zorder</span>: <span class="ident">isize</span>, <span class="ident">draw_center_line</span>: <span class="ident">RefCell</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Drawable</span><span class="op">></span><span class="op">></span>, <span class="ident">label</span>: <span class="ident">RefCell</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Drawable</span><span class="op">></span><span class="op">></span>, } <span class="kw">impl</span> <span class="ident">DrawRoad</span> { <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">r</span>: <span class="kw-2">&</span><span class="ident">Road</span>) <span class="op">-</span><span class="op">></span> <span class="ident">DrawRoad</span> { <span class="ident">DrawRoad</span> { <span class="ident">id</span>: <span class="ident">r</span>.<span class="ident">id</span>, <span class="ident">zorder</span>: <span class="ident">r</span>.<span class="ident">zorder</span>, <span class="ident">draw_center_line</span>: <span class="ident">RefCell</span>::<span class="ident">new</span>(<span class="prelude-val">None</span>), <span class="ident">label</span>: <span class="ident">RefCell</span>::<span class="ident">new</span>(<span class="prelude-val">None</span>), } } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">clear_rendering</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) { <span class="kw-2">*</span><span class="self">self</span>.<span class="ident">draw_center_line</span>.<span class="ident">borrow_mut</span>() <span class="op">=</span> <span class="prelude-val">None</span>; <span class="kw-2">*</span><span class="self">self</span>.<span class="ident">label</span>.<span class="ident">borrow_mut</span>() <span class="op">=</span> <span class="prelude-val">None</span>; } } <span class="kw">impl</span> <span class="ident">Renderable</span> <span class="kw">for</span> <span class="ident">DrawRoad</span> { <span class="kw">fn</span> <span class="ident">get_id</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">ID</span> { <span class="ident">ID</span>::<span class="ident">Road</span>(<span class="self">self</span>.<span class="ident">id</span>) } <span class="kw">fn</span> <span class="ident">draw</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">g</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">GfxCtx</span>, <span class="ident">app</span>: <span class="kw-2">&</span><span class="ident">dyn</span> <span class="ident">AppLike</span>, <span class="kw">_</span>: <span class="kw-2">&</span><span class="ident">DrawOptions</span>) { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">draw_center_line</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">draw_center_line</span>.<span class="ident">borrow_mut</span>(); <span class="kw">if</span> <span class="ident">draw_center_line</span>.<span class="ident">is_none</span>() { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">batch</span> <span class="op">=</span> <span class="ident">GeomBatch</span>::<span class="ident">new</span>(); <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">app</span>.<span class="ident">map</span>().<span class="ident">get_r</span>(<span class="self">self</span>.<span class="ident">id</span>); <span class="comment">// TODO Need to detangle how road_center_line is used.</span> <span class="kw">let</span> <span class="ident">center_color</span> <span class="op">=</span> <span class="kw">if</span> <span class="ident">app</span>.<span class="ident">cs</span>().<span class="ident">solid_road_center</span>() { <span class="ident">app</span>.<span class="ident">cs</span>().<span class="ident">general_road_marking</span>(<span class="ident">r</span>.<span class="ident">get_rank</span>()) } <span class="kw">else</span> { <span class="ident">app</span>.<span class="ident">cs</span>().<span class="ident">road_center_line</span>(<span class="ident">r</span>.<span class="ident">get_rank</span>()) }; <span class="kw">let</span> <span class="ident">color</span> <span class="op">=</span> <span class="kw">if</span> <span class="ident">r</span>.<span class="ident">is_private</span>() { <span class="ident">center_color</span>.<span class="ident">lerp</span>(<span class="ident">app</span>.<span class="ident">cs</span>().<span class="ident">private_road</span>, <span class="number">0.5</span>) } <span class="kw">else</span> { <span class="ident">center_color</span> }; <span class="comment">// Draw a center line every time two driving/bike/bus lanes of opposite direction are</span> <span class="comment">// adjacent.</span> <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">width</span> <span class="op">=</span> <span class="ident">Distance</span>::<span class="ident">ZERO</span>; <span class="kw">for</span> <span class="ident">pair</span> <span class="kw">in</span> <span class="ident">r</span>.<span class="ident">lanes_ltr</span>().<span class="ident">windows</span>(<span class="number">2</span>) { <span class="kw">let</span> ((<span class="ident">l1</span>, <span class="ident">dir1</span>, <span class="ident">lt1</span>), (<span class="kw">_</span>, <span class="ident">dir2</span>, <span class="ident">lt2</span>)) <span class="op">=</span> (<span class="ident">pair</span>[<span class="number">0</span>], <span class="ident">pair</span>[<span class="number">1</span>]); <span class="ident">width</span> <span class="op">+</span><span class="op">=</span> <span class="ident">app</span>.<span class="ident">map</span>().<span class="ident">get_l</span>(<span class="ident">l1</span>).<span class="ident">width</span>; <span class="kw">if</span> <span class="ident">dir1</span> <span class="op">!</span><span class="op">=</span> <span class="ident">dir2</span> <span class="op">&&</span> <span class="ident">lt1</span>.<span class="ident">is_for_moving_vehicles</span>() <span class="op">&&</span> <span class="ident">lt2</span>.<span class="ident">is_for_moving_vehicles</span>() { <span class="kw">let</span> <span class="ident">pl</span> <span class="op">=</span> <span class="ident">r</span>.<span class="ident">get_left_side</span>(<span class="ident">app</span>.<span class="ident">map</span>()).<span class="ident">must_shift_right</span>(<span class="ident">width</span>); <span class="kw">if</span> <span class="ident">app</span>.<span class="ident">cs</span>().<span class="ident">solid_road_center</span>() { <span class="ident">batch</span>.<span class="ident">push</span>(<span class="ident">color</span>, <span class="ident">pl</span>.<span class="ident">make_polygons</span>(<span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">0.25</span>))); } <span class="kw">else</span> { <span class="ident">batch</span>.<span class="ident">extend</span>( <span class="ident">color</span>, <span class="ident">pl</span>.<span class="ident">dashed_lines</span>( <span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">0.25</span>), <span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">2.0</span>), <span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">1.0</span>), ), ); } } } <span class="kw-2">*</span><span class="ident">draw_center_line</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">g</span>.<span class="ident">prerender</span>.<span class="ident">upload</span>(<span class="ident">batch</span>)); } <span class="ident">g</span>.<span class="ident">redraw</span>(<span class="ident">draw_center_line</span>.<span class="ident">as_ref</span>().<span class="ident">unwrap</span>()); <span class="comment">// Lazily calculate</span> <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">label</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">label</span>.<span class="ident">borrow_mut</span>(); <span class="kw">if</span> <span class="ident">label</span>.<span class="ident">is_none</span>() { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">batch</span> <span class="op">=</span> <span class="ident">GeomBatch</span>::<span class="ident">new</span>(); <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">app</span>.<span class="ident">map</span>().<span class="ident">get_r</span>(<span class="self">self</span>.<span class="ident">id</span>); <span class="kw">if</span> <span class="op">!</span><span class="ident">r</span>.<span class="ident">is_light_rail</span>() { <span class="kw">let</span> <span class="ident">name</span> <span class="op">=</span> <span class="ident">r</span>.<span class="ident">get_name</span>(<span class="ident">app</span>.<span class="ident">opts</span>().<span class="ident">language</span>.<span class="ident">as_ref</span>()); <span class="kw">if</span> <span class="ident">r</span>.<span class="ident">center_pts</span>.<span class="ident">length</span>() <span class="op">></span><span class="op">=</span> <span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">30.0</span>) <span class="op">&&</span> <span class="ident">name</span> <span class="op">!</span><span class="op">=</span> <span class="string">"???"</span> { <span class="comment">// TODO If it's definitely straddling bus/bike lanes, change the color? Or</span> <span class="comment">// even easier, just skip the center lines?</span> <span class="kw">let</span> <span class="ident">center_color</span> <span class="op">=</span> <span class="ident">app</span>.<span class="ident">cs</span>().<span class="ident">road_center_line</span>(<span class="ident">r</span>.<span class="ident">get_rank</span>()); <span class="kw">let</span> <span class="ident">fg</span> <span class="op">=</span> <span class="kw">if</span> <span class="ident">r</span>.<span class="ident">is_private</span>() { <span class="ident">center_color</span>.<span class="ident">lerp</span>(<span class="ident">app</span>.<span class="ident">cs</span>().<span class="ident">private_road</span>, <span class="number">0.5</span>) } <span class="kw">else</span> { <span class="ident">center_color</span> }; <span class="kw">let</span> <span class="ident">bg</span> <span class="op">=</span> <span class="kw">if</span> <span class="ident">r</span>.<span class="ident">is_private</span>() { <span class="ident">app</span>.<span class="ident">cs</span>() .<span class="ident">zoomed_road_surface</span>(<span class="ident">LaneType</span>::<span class="ident">Driving</span>, <span class="ident">r</span>.<span class="ident">get_rank</span>()) .<span class="ident">lerp</span>(<span class="ident">app</span>.<span class="ident">cs</span>().<span class="ident">private_road</span>, <span class="number">0.5</span>) } <span class="kw">else</span> { <span class="ident">app</span>.<span class="ident">cs</span>() .<span class="ident">zoomed_road_surface</span>(<span class="ident">LaneType</span>::<span class="ident">Driving</span>, <span class="ident">r</span>.<span class="ident">get_rank</span>()) }; <span class="kw">if</span> <span class="bool-val">false</span> { <span class="comment">// TODO Not ready yet</span> <span class="ident">batch</span>.<span class="ident">append</span>(<span class="ident">Line</span>(<span class="ident">name</span>).<span class="ident">fg</span>(<span class="ident">fg</span>).<span class="ident">render_curvey</span>( <span class="ident">g</span>.<span class="ident">prerender</span>, <span class="kw-2">&</span><span class="ident">r</span>.<span class="ident">center_pts</span>, <span class="number">0.1</span>, )); } <span class="kw">else</span> { <span class="kw">let</span> <span class="ident">txt</span> <span class="op">=</span> <span class="ident">Text</span>::<span class="ident">from</span>(<span class="ident">Line</span>(<span class="ident">name</span>).<span class="ident">fg</span>(<span class="ident">fg</span>)).<span class="ident">bg</span>(<span class="ident">bg</span>); <span class="kw">let</span> (<span class="ident">pt</span>, <span class="ident">angle</span>) <span class="op">=</span> <span class="ident">r</span>.<span class="ident">center_pts</span>.<span class="ident">must_dist_along</span>(<span class="ident">r</span>.<span class="ident">center_pts</span>.<span class="ident">length</span>() <span class="op">/</span> <span class="number">2.0</span>); <span class="ident">batch</span>.<span class="ident">append</span>( <span class="ident">txt</span>.<span class="ident">render_to_batch</span>(<span class="ident">g</span>.<span class="ident">prerender</span>) .<span class="ident">scale</span>(<span class="number">0.1</span>) .<span class="ident">centered_on</span>(<span class="ident">pt</span>) .<span class="ident">rotate</span>(<span class="ident">angle</span>.<span class="ident">reorient</span>()), ); } } } <span class="kw-2">*</span><span class="ident">label</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">g</span>.<span class="ident">prerender</span>.<span class="ident">upload</span>(<span class="ident">batch</span>)); } <span class="comment">// TODO Covered up sometimes. We could fork and force a different z value...</span> <span class="ident">g</span>.<span class="ident">redraw</span>(<span class="ident">label</span>.<span class="ident">as_ref</span>().<span class="ident">unwrap</span>()); } <span class="kw">fn</span> <span class="ident">get_outline</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>) <span class="op">-</span><span class="op">></span> <span class="ident">Polygon</span> { <span class="comment">// Highlight the entire thing, not just an outline</span> <span class="ident">map</span>.<span class="ident">get_r</span>(<span class="self">self</span>.<span class="ident">id</span>).<span class="ident">get_thick_polygon</span>(<span class="ident">map</span>) } <span class="kw">fn</span> <span class="ident">contains_pt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">pt</span>: <span class="ident">Pt2D</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>) <span class="op">-</span><span class="op">></span> <span class="ident">bool</span> { <span class="ident">map</span>.<span class="ident">get_r</span>(<span class="self">self</span>.<span class="ident">id</span>).<span class="ident">get_thick_polygon</span>(<span class="ident">map</span>).<span class="ident">contains_pt</span>(<span class="ident">pt</span>) } <span class="kw">fn</span> <span class="ident">get_zorder</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">isize</span> { <span class="self">self</span>.<span class="ident">zorder</span> } } </pre></div> </section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../../../";window.currentCrate = "map_gui";</script><script src="../../../main.js"></script><script src="../../../source-script.js"></script><script src="../../../source-files.js"></script><script defer src="../../../search-index.js"></script></body></html>