<!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 of the Rust file `game/src/debug/shared_row.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>shared_row.rs - 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 id="default-settings" ></script><script src="../../../storage.js"></script><script src="../../../crates.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" 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id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../../../settings.html" title="settings"><img width="18" height="18" alt="Change settings" src="../../../wheel.svg"></a></div></form></nav><section id="main" class="content"><div class="example-wrap"><pre class="line-numbers"><span id="1"> 1</span> <span id="2"> 2</span> <span id="3"> 3</span> <span id="4"> 4</span> <span id="5"> 5</span> <span id="6"> 6</span> <span id="7"> 7</span> <span id="8"> 8</span> <span id="9"> 9</span> <span id="10"> 10</span> <span id="11"> 11</span> <span id="12"> 12</span> <span id="13"> 13</span> <span id="14"> 14</span> <span id="15"> 15</span> <span id="16"> 16</span> <span id="17"> 17</span> <span id="18"> 18</span> 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<span id="99"> 99</span> <span id="100">100</span> <span id="101">101</span> <span id="102">102</span> <span id="103">103</span> <span id="104">104</span> <span id="105">105</span> <span id="106">106</span> <span id="107">107</span> <span id="108">108</span> <span id="109">109</span> <span id="110">110</span> <span id="111">111</span> <span id="112">112</span> <span id="113">113</span> <span id="114">114</span> </pre><pre class="rust"><code><span class="kw">use</span> <span class="ident">geojson::feature::Id</span>; <span class="kw">use</span> <span class="ident">geojson</span>::{<span class="ident">Feature</span>, <span class="ident">FeatureCollection</span>, <span class="ident">GeoJson</span>}; <span class="kw">use</span> <span class="ident">map_model</span>::{<span class="ident">Direction</span>, <span class="ident">IntersectionID</span>, <span class="ident">Lane</span>, <span class="ident">LaneType</span>, <span class="ident">Map</span>, <span class="ident">RoadID</span>}; <span class="doccomment">/// Exports to https://github.com/d-wasserman/shared-row/, returns the filename</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">export</span>(<span class="ident">roads</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">RoadID</span><span class="op">></span>, <span class="ident">intersections</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">IntersectionID</span><span class="op">></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">String</span> { <span class="kw">let</span> <span class="ident">path</span> <span class="op">=</span> <span class="macro">format!</span>( <span class="string">"shared_row_export_{}.json"</span>, <span class="ident">roads</span> .<span class="ident">iter</span>() .<span class="ident">take</span>(<span class="number">5</span>) .<span class="ident">map</span>(<span class="op">|</span><span class="ident">r</span><span class="op">|</span> <span class="ident">r</span>.<span class="number">0</span>.<span class="ident">to_string</span>()) .<span class="ident">collect</span>::<span class="op"><</span><span class="ident">Vec</span><span class="op"><</span><span class="kw">_</span><span class="op">></span><span class="op">></span>() .<span class="ident">join</span>(<span class="string">"_"</span>) ); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">features</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">Feature</span><span class="op">></span> <span class="op">=</span> <span class="ident">roads</span>.<span class="ident">into_iter</span>().<span class="ident">map</span>(<span class="op">|</span><span class="ident">r</span><span class="op">|</span> <span class="ident">road</span>(<span class="ident">r</span>, <span class="ident">map</span>)).<span class="ident">collect</span>(); <span class="kw">for</span> <span class="ident">i</span> <span class="kw">in</span> <span class="ident">intersections</span> { <span class="ident">features</span>.<span class="ident">push</span>(<span class="ident">intersection</span>(<span class="ident">i</span>, <span class="ident">map</span>)); } <span class="kw">let</span> <span class="ident">geojson</span> <span class="op">=</span> <span class="ident">GeoJson::from</span>(<span class="ident">FeatureCollection</span> { <span class="ident">bbox</span>: <span class="prelude-val">None</span>, <span class="ident">features</span>, <span class="ident">foreign_members</span>: <span class="prelude-val">None</span>, }); <span class="ident">abstio::write_json</span>(<span class="ident">path</span>.<span class="ident">clone</span>(), <span class="kw-2">&</span><span class="ident">geojson</span>); <span class="ident">path</span> } <span class="kw">fn</span> <span class="ident">road</span>(<span class="ident">id</span>: <span class="ident">RoadID</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">Feature</span> { <span class="kw">let</span> <span class="ident">r</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">get_r</span>(<span class="ident">id</span>); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">properties</span> <span class="op">=</span> <span class="ident">serde_json::Map::new</span>(); <span class="comment">// TODO Generate https://github.com/sharedstreets/sharedstreets-ref-system IDs</span> <span class="ident">properties</span>.<span class="ident">insert</span>(<span class="string">"OID"</span>.<span class="ident">to_string</span>(), <span class="ident">id</span>.<span class="number">0</span>.<span class="ident">into</span>()); <span class="ident">properties</span>.<span class="ident">insert</span>(<span class="string">"sharedstreetid"</span>.<span class="ident">to_string</span>(), <span class="ident">id</span>.<span class="number">0</span>.<span class="ident">into</span>()); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">slices</span> <span class="op">=</span> <span class="ident">Vec::new</span>(); <span class="kw">for</span> <span class="ident">l</span> <span class="kw">in</span> <span class="kw-2">&</span><span class="ident">r</span>.<span class="ident">lanes</span> { <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="kw-2">mut</span> <span class="ident">slice</span>) <span class="op">=</span> <span class="ident">lane</span>(<span class="ident">l</span>) { <span class="ident">slice</span> .<span class="ident">entry</span>(<span class="string">"direction"</span>.<span class="ident">to_string</span>()) .<span class="ident">or_insert</span>(<span class="kw">if</span> <span class="ident">l</span>.<span class="ident">dir</span> <span class="op">=</span><span class="op">=</span> <span class="ident">Direction::Fwd</span> { <span class="string">"forward"</span>.<span class="ident">into</span>() } <span class="kw">else</span> { <span class="string">"reverse"</span>.<span class="ident">into</span>() }); <span class="ident">slices</span>.<span class="ident">push</span>(<span class="ident">serde_json::value::Value::Object</span>(<span class="ident">slice</span>)); } } <span class="ident">properties</span>.<span class="ident">insert</span>( <span class="string">"slices"</span>.<span class="ident">to_string</span>(), <span class="ident">serde_json::value::Value::Array</span>(<span class="ident">slices</span>), ); <span class="ident">Feature</span> { <span class="ident">bbox</span>: <span class="prelude-val">None</span>, <span class="ident">geometry</span>: <span class="prelude-val">Some</span>(<span class="ident">r</span>.<span class="ident">center_pts</span>.<span class="ident">to_geojson</span>(<span class="prelude-val">Some</span>(<span class="ident">map</span>.<span class="ident">get_gps_bounds</span>()))), <span class="ident">id</span>: <span class="prelude-val">Some</span>(<span class="ident">Id::Number</span>(<span class="ident">id</span>.<span class="number">0</span>.<span class="ident">into</span>())), <span class="ident">properties</span>: <span class="prelude-val">Some</span>(<span class="ident">properties</span>), <span class="ident">foreign_members</span>: <span class="prelude-val">None</span>, } } <span class="kw">fn</span> <span class="ident">lane</span>(<span class="ident">lane</span>: <span class="kw-2">&</span><span class="ident">Lane</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">serde_json::Map</span><span class="op"><</span><span class="ident">String</span>, <span class="ident">serde_json::value::Value</span><span class="op">></span><span class="op">></span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">slice</span> <span class="op">=</span> <span class="ident">serde_json::Map::new</span>(); <span class="comment">// TODO We don't really model turn lanes yet; they'll all show up as drive_lane</span> <span class="ident">slice</span>.<span class="ident">insert</span>( <span class="string">"type"</span>.<span class="ident">to_string</span>(), <span class="kw">match</span> <span class="ident">lane</span>.<span class="ident">lane_type</span> { <span class="ident">LaneType::Driving</span> <span class="op">=</span><span class="op">></span> <span class="string">"drive_lane"</span>.<span class="ident">into</span>(), <span class="ident">LaneType::Parking</span> <span class="op">=</span><span class="op">></span> <span class="string">"parking"</span>.<span class="ident">into</span>(), <span class="ident">LaneType::Sidewalk</span> <span class="op">=</span><span class="op">></span> <span class="string">"sidewalk"</span>.<span class="ident">into</span>(), <span class="comment">// TODO Nope</span> <span class="ident">LaneType::Shoulder</span> <span class="op">=</span><span class="op">></span> <span class="string">"sidewalk"</span>.<span class="ident">into</span>(), <span class="ident">LaneType::Biking</span> <span class="op">=</span><span class="op">></span> <span class="string">"bike_lane"</span>.<span class="ident">into</span>(), <span class="ident">LaneType::Bus</span> <span class="op">=</span><span class="op">></span> <span class="string">"bus_lane"</span>.<span class="ident">into</span>(), <span class="ident">LaneType::SharedLeftTurn</span> <span class="op">=</span><span class="op">></span> <span class="string">"turn_lane"</span>.<span class="ident">into</span>(), <span class="ident">LaneType::Construction</span> <span class="op">=</span><span class="op">></span> <span class="string">"construction_zone"</span>.<span class="ident">into</span>(), <span class="ident">LaneType::LightRail</span> <span class="op">=</span><span class="op">></span> { <span class="kw">return</span> <span class="prelude-val">None</span>; } <span class="comment">// TODO</span> <span class="ident">LaneType::Buffer</span>(<span class="kw">_</span>) <span class="op">=</span><span class="op">></span> { <span class="kw">return</span> <span class="prelude-val">None</span>; } }, ); <span class="kw">if</span> <span class="ident">lane</span>.<span class="ident">lane_type</span> <span class="op">=</span><span class="op">=</span> <span class="ident">LaneType::SharedLeftTurn</span> { <span class="ident">slice</span>.<span class="ident">insert</span>(<span class="string">"direction"</span>.<span class="ident">to_string</span>(), <span class="string">"bidirectional"</span>.<span class="ident">into</span>()); } <span class="ident">slice</span>.<span class="ident">insert</span>(<span class="string">"width"</span>.<span class="ident">to_string</span>(), <span class="ident">lane</span>.<span class="ident">width</span>.<span class="ident">inner_meters</span>().<span class="ident">into</span>()); <span class="ident">slice</span>.<span class="ident">insert</span>(<span class="string">"height"</span>.<span class="ident">to_string</span>(), <span class="number">0.0</span>.<span class="ident">into</span>()); <span class="comment">// TODO Spec says required but shouldn't be</span> <span class="ident">slice</span>.<span class="ident">insert</span>(<span class="string">"material"</span>.<span class="ident">to_string</span>(), <span class="string">"asphalt"</span>.<span class="ident">into</span>()); <span class="prelude-val">Some</span>(<span class="ident">slice</span>) } <span class="kw">fn</span> <span class="ident">intersection</span>(<span class="ident">id</span>: <span class="ident">IntersectionID</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">Feature</span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">properties</span> <span class="op">=</span> <span class="ident">serde_json::Map::new</span>(); <span class="ident">properties</span>.<span class="ident">insert</span>(<span class="string">"intersection"</span>.<span class="ident">to_string</span>(), <span class="bool-val">true</span>.<span class="ident">into</span>()); <span class="ident">Feature</span> { <span class="ident">bbox</span>: <span class="prelude-val">None</span>, <span class="ident">geometry</span>: <span class="prelude-val">Some</span>( <span class="ident">map</span>.<span class="ident">get_i</span>(<span class="ident">id</span>) .<span class="ident">polygon</span> .<span class="ident">clone</span>() .<span class="ident">into_ring</span>() .<span class="ident">to_geojson</span>(<span class="prelude-val">Some</span>(<span class="ident">map</span>.<span class="ident">get_gps_bounds</span>())), ), <span class="ident">id</span>: <span class="prelude-val">Some</span>(<span class="ident">Id::Number</span>(<span class="ident">id</span>.<span class="number">0</span>.<span class="ident">into</span>())), <span class="ident">properties</span>: <span class="prelude-val">Some</span>(<span class="ident">properties</span>), <span class="ident">foreign_members</span>: <span class="prelude-val">None</span>, } } </code></pre></div> </section><section id="search" class="content hidden"></section><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="game" data-search-index-js="../../../search-index.js" data-search-js="../../../search.js"></div> <script src="../../../main.js"></script><script src="../../../source-script.js"></script><script src="../../../source-files.js"></script> </body></html>