<!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 `map_model/src/objects/building.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>building.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><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"> <link rel="alternate icon" 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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" class="help-button">?</button> <a id="settings-menu" href="../../../settings.html"><img src="../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><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> <span id="19"> 19</span> <span id="20"> 20</span> <span id="21"> 21</span> <span id="22"> 22</span> <span id="23"> 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id="369">369</span> <span id="370">370</span> <span id="371">371</span> <span id="372">372</span> <span id="373">373</span> <span id="374">374</span> <span id="375">375</span> <span id="376">376</span> <span id="377">377</span> <span id="378">378</span> <span id="379">379</span> <span id="380">380</span> <span id="381">381</span> <span id="382">382</span> <span id="383">383</span> <span id="384">384</span> <span id="385">385</span> </pre><div class="example-wrap"><pre class="rust "> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">collections</span>::{<span class="ident">BTreeMap</span>, <span class="ident">HashSet</span>, <span class="ident">VecDeque</span>}; <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">fmt</span>; <span class="kw">use</span> <span class="ident">serde</span>::{<span class="ident">Deserialize</span>, <span class="ident">Serialize</span>}; <span class="kw">use</span> <span class="ident">abstutil</span>::{ <span class="ident">deserialize_btreemap</span>, <span class="ident">deserialize_usize</span>, <span class="ident">serialize_btreemap</span>, <span class="ident">serialize_usize</span>, <span class="ident">Tags</span>, }; <span class="kw">use</span> <span class="ident">geom</span>::{<span class="ident">Distance</span>, <span class="ident">PolyLine</span>, <span class="ident">Polygon</span>, <span class="ident">Pt2D</span>}; <span class="kw">use</span> <span class="kw">crate</span>::{<span class="ident">osm</span>, <span class="ident">LaneID</span>, <span class="ident">Map</span>, <span class="ident">PathConstraints</span>, <span class="ident">Position</span>}; <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>, <span class="ident">Copy</span>, <span class="ident">Debug</span>, <span class="ident">Eq</span>, <span class="ident">Hash</span>, <span class="ident">PartialEq</span>, <span class="ident">PartialOrd</span>, <span class="ident">Ord</span>, <span class="ident">Serialize</span>, <span class="ident">Deserialize</span>)]</span> <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">BuildingID</span>( <span class="attribute">#[<span class="ident">serde</span>( <span class="ident">serialize_with</span> <span class="op">=</span> <span class="string">"serialize_usize"</span>, <span class="ident">deserialize_with</span> <span class="op">=</span> <span class="string">"deserialize_usize"</span> )]</span> <span class="kw">pub</span> <span class="ident">usize</span>, ); <span class="kw">impl</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="kw">for</span> <span class="ident">BuildingID</span> { <span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-</span><span class="op">></span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> { <span class="macro">write</span><span class="macro">!</span>(<span class="ident">f</span>, <span class="string">"Building #{}"</span>, <span class="self">self</span>.<span class="number">0</span>) } } <span class="doccomment">/// A building has connections to the road and sidewalk, may contain commercial amenities, and have</span> <span class="doccomment">/// off-street parking.</span> <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Serialize</span>, <span class="ident">Deserialize</span>, <span class="ident">Debug</span>)]</span> <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Building</span> { <span class="kw">pub</span> <span class="ident">id</span>: <span class="ident">BuildingID</span>, <span class="kw">pub</span> <span class="ident">polygon</span>: <span class="ident">Polygon</span>, <span class="kw">pub</span> <span class="ident">levels</span>: <span class="ident">f64</span>, <span class="kw">pub</span> <span class="ident">address</span>: <span class="ident">String</span>, <span class="kw">pub</span> <span class="ident">name</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">NamePerLanguage</span><span class="op">></span>, <span class="kw">pub</span> <span class="ident">orig_id</span>: <span class="ident">osm</span>::<span class="ident">OsmID</span>, <span class="doccomment">/// Where a text label should be centered to have the best chances of being contained within</span> <span class="doccomment">/// the polygon.</span> <span class="kw">pub</span> <span class="ident">label_center</span>: <span class="ident">Pt2D</span>, <span class="kw">pub</span> <span class="ident">amenities</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">Amenity</span><span class="op">></span>, <span class="kw">pub</span> <span class="ident">bldg_type</span>: <span class="ident">BuildingType</span>, <span class="kw">pub</span> <span class="ident">parking</span>: <span class="ident">OffstreetParking</span>, <span class="doccomment">/// Depending on options while importing, these might be empty, to save file space.</span> <span class="kw">pub</span> <span class="ident">osm_tags</span>: <span class="ident">Tags</span>, <span class="doccomment">/// The building's connection for pedestrians is immutable. For cars and bikes, it can change</span> <span class="doccomment">/// based on map edits, so don't cache it.</span> <span class="kw">pub</span> <span class="ident">sidewalk_pos</span>: <span class="ident">Position</span>, <span class="doccomment">/// Goes from building to sidewalk</span> <span class="kw">pub</span> <span class="ident">driveway_geom</span>: <span class="ident">PolyLine</span>, } <span class="doccomment">/// A business located inside a building.</span> <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Serialize</span>, <span class="ident">Deserialize</span>, <span class="ident">Debug</span>, <span class="ident">Clone</span>)]</span> <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Amenity</span> { <span class="kw">pub</span> <span class="ident">names</span>: <span class="ident">NamePerLanguage</span>, <span class="doccomment">/// This is the specific amenity listed in OSM, not the more general `AmenityType` category.</span> <span class="kw">pub</span> <span class="ident">amenity_type</span>: <span class="ident">String</span>, <span class="doccomment">/// Depending on options while importing, these might be empty, to save file space.</span> <span class="kw">pub</span> <span class="ident">osm_tags</span>: <span class="ident">Tags</span>, } <span class="doccomment">/// Represent no parking as Private(0, false).</span> <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Serialize</span>, <span class="ident">Deserialize</span>, <span class="ident">Debug</span>, <span class="ident">PartialEq</span>, <span class="ident">Clone</span>)]</span> <span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">OffstreetParking</span> { <span class="doccomment">/// (Name, spots)</span> <span class="ident">PublicGarage</span>(<span class="ident">String</span>, <span class="ident">usize</span>), <span class="doccomment">/// (Spots, explicitly tagged as a garage)</span> <span class="ident">Private</span>(<span class="ident">usize</span>, <span class="ident">bool</span>), } <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Serialize</span>, <span class="ident">Deserialize</span>, <span class="ident">Clone</span>, <span class="ident">Debug</span>)]</span> <span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">BuildingType</span> { <span class="ident">Residential</span> { <span class="ident">num_residents</span>: <span class="ident">usize</span>, <span class="ident">num_housing_units</span>: <span class="ident">usize</span>, }, <span class="doccomment">/// An estimated number of residents, workers</span> <span class="ident">ResidentialCommercial</span>(<span class="ident">usize</span>, <span class="ident">usize</span>), <span class="doccomment">/// An estimated number of workers</span> <span class="ident">Commercial</span>(<span class="ident">usize</span>), <span class="ident">Empty</span>, } <span class="kw">impl</span> <span class="ident">BuildingType</span> { <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">has_residents</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">bool</span> { <span class="kw">match</span> <span class="self">self</span> { <span class="ident">BuildingType</span>::<span class="ident">Residential</span> { .. } <span class="op">|</span> <span class="ident">BuildingType</span>::<span class="ident">ResidentialCommercial</span>(<span class="kw">_</span>, <span class="kw">_</span>) <span class="op">=</span><span class="op">></span> <span class="bool-val">true</span>, <span class="ident">BuildingType</span>::<span class="ident">Commercial</span>(<span class="kw">_</span>) <span class="op">|</span> <span class="ident">BuildingType</span>::<span class="ident">Empty</span> <span class="op">=</span><span class="op">></span> <span class="bool-val">false</span>, } } } <span class="doccomment">/// None corresponds to the native name</span> <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Serialize</span>, <span class="ident">Deserialize</span>, <span class="ident">Debug</span>, <span class="ident">PartialEq</span>, <span class="ident">Eq</span>, <span class="ident">PartialOrd</span>, <span class="ident">Ord</span>, <span class="ident">Clone</span>)]</span> <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">NamePerLanguage</span>( <span class="attribute">#[<span class="ident">serde</span>( <span class="ident">serialize_with</span> <span class="op">=</span> <span class="string">"serialize_btreemap"</span>, <span class="ident">deserialize_with</span> <span class="op">=</span> <span class="string">"deserialize_btreemap"</span> )]</span> <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="ident">BTreeMap</span><span class="op"><</span><span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">String</span><span class="op">></span>, <span class="ident">String</span><span class="op">></span>, ); <span class="kw">impl</span> <span class="ident">NamePerLanguage</span> { <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">lang</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">String</span><span class="op">></span>) <span class="op">-</span><span class="op">></span> <span class="kw-2">&</span><span class="ident">String</span> { <span class="comment">// TODO Can we avoid this clone?</span> <span class="kw">let</span> <span class="ident">lang</span> <span class="op">=</span> <span class="ident">lang</span>.<span class="ident">cloned</span>(); <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">name</span>) <span class="op">=</span> <span class="self">self</span>.<span class="number">0</span>.<span class="ident">get</span>(<span class="kw-2">&</span><span class="ident">lang</span>) { <span class="kw">return</span> <span class="ident">name</span>; } <span class="kw-2">&</span><span class="self">self</span>.<span class="number">0</span>[<span class="kw-2">&</span><span class="prelude-val">None</span>] } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(<span class="ident">tags</span>: <span class="kw-2">&</span><span class="ident">Tags</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">NamePerLanguage</span><span class="op">></span> { <span class="kw">let</span> <span class="ident">native_name</span> <span class="op">=</span> <span class="ident">tags</span>.<span class="ident">get</span>(<span class="ident">osm</span>::<span class="ident">NAME</span>)<span class="question-mark">?</span>; <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">map</span> <span class="op">=</span> <span class="ident">BTreeMap</span>::<span class="ident">new</span>(); <span class="ident">map</span>.<span class="ident">insert</span>(<span class="prelude-val">None</span>, <span class="ident">native_name</span>.<span class="ident">to_string</span>()); <span class="kw">for</span> (<span class="ident">k</span>, <span class="ident">v</span>) <span class="kw">in</span> <span class="ident">tags</span>.<span class="ident">inner</span>() { <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">lang</span>) <span class="op">=</span> <span class="ident">k</span>.<span class="ident">strip_prefix</span>(<span class="string">"name:"</span>) { <span class="ident">map</span>.<span class="ident">insert</span>(<span class="prelude-val">Some</span>(<span class="ident">lang</span>.<span class="ident">to_string</span>()), <span class="ident">v</span>.<span class="ident">to_string</span>()); } } <span class="prelude-val">Some</span>(<span class="ident">NamePerLanguage</span>(<span class="ident">map</span>)) } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">unnamed</span>() <span class="op">-</span><span class="op">></span> <span class="ident">NamePerLanguage</span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">map</span> <span class="op">=</span> <span class="ident">BTreeMap</span>::<span class="ident">new</span>(); <span class="ident">map</span>.<span class="ident">insert</span>(<span class="prelude-val">None</span>, <span class="string">"unnamed"</span>.<span class="ident">to_string</span>()); <span class="ident">NamePerLanguage</span>(<span class="ident">map</span>) } } <span class="kw">impl</span> <span class="ident">Building</span> { <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">sidewalk</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">LaneID</span> { <span class="self">self</span>.<span class="ident">sidewalk_pos</span>.<span class="ident">lane</span>() } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">house_number</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">String</span><span class="op">></span> { <span class="kw">let</span> <span class="ident">num</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">address</span>.<span class="ident">split</span>(<span class="string">" "</span>).<span class="ident">next</span>().<span class="ident">unwrap</span>(); <span class="kw">if</span> <span class="ident">num</span> <span class="op">!</span><span class="op">=</span> <span class="string">"???"</span> { <span class="prelude-val">Some</span>(<span class="ident">num</span>.<span class="ident">to_string</span>()) } <span class="kw">else</span> { <span class="prelude-val">None</span> } } <span class="doccomment">/// The polyline goes from the building to the driving position</span> <span class="comment">// TODO Make this handle parking_blackhole</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">driving_connection</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="prelude-ty">Option</span><span class="op"><</span>(<span class="ident">Position</span>, <span class="ident">PolyLine</span>)<span class="op">></span> { <span class="kw">let</span> <span class="ident">lane</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">get_parent</span>(<span class="self">self</span>.<span class="ident">sidewalk</span>()).<span class="ident">find_closest_lane</span>( <span class="self">self</span>.<span class="ident">sidewalk</span>(), <span class="op">|</span><span class="ident">l</span><span class="op">|</span> <span class="ident">PathConstraints</span>::<span class="ident">Car</span>.<span class="ident">can_use</span>(<span class="ident">l</span>, <span class="ident">map</span>), <span class="ident">map</span>, )<span class="question-mark">?</span>; <span class="comment">// TODO Do we need to insist on this buffer, now that we can make cars gradually appear?</span> <span class="kw">let</span> <span class="ident">pos</span> <span class="op">=</span> <span class="self">self</span> .<span class="ident">sidewalk_pos</span> .<span class="ident">equiv_pos</span>(<span class="ident">lane</span>, <span class="ident">map</span>) .<span class="ident">buffer_dist</span>(<span class="ident">Distance</span>::<span class="ident">meters</span>(<span class="number">7.0</span>), <span class="ident">map</span>)<span class="question-mark">?</span>; <span class="prelude-val">Some</span>((<span class="ident">pos</span>, <span class="self">self</span>.<span class="ident">driveway_geom</span>.<span class="ident">clone</span>().<span class="ident">must_push</span>(<span class="ident">pos</span>.<span class="ident">pt</span>(<span class="ident">map</span>)))) } <span class="doccomment">/// Returns (biking position, sidewalk position). Could fail if the biking graph is</span> <span class="doccomment">/// disconnected.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">biking_connection</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="prelude-ty">Option</span><span class="op"><</span>(<span class="ident">Position</span>, <span class="ident">Position</span>)<span class="op">></span> { <span class="comment">// Easy case: the building is directly next to a usable lane</span> <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">pair</span>) <span class="op">=</span> <span class="ident">sidewalk_to_bike</span>(<span class="self">self</span>.<span class="ident">sidewalk_pos</span>, <span class="ident">map</span>) { <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">pair</span>); } <span class="comment">// Floodfill the sidewalk graph until we find a sidewalk<->bike connection.</span> <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">queue</span>: <span class="ident">VecDeque</span><span class="op"><</span><span class="ident">LaneID</span><span class="op">></span> <span class="op">=</span> <span class="ident">VecDeque</span>::<span class="ident">new</span>(); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">visited</span>: <span class="ident">HashSet</span><span class="op"><</span><span class="ident">LaneID</span><span class="op">></span> <span class="op">=</span> <span class="ident">HashSet</span>::<span class="ident">new</span>(); <span class="ident">queue</span>.<span class="ident">push_back</span>(<span class="self">self</span>.<span class="ident">sidewalk</span>()); <span class="kw">loop</span> { <span class="kw">if</span> <span class="ident">queue</span>.<span class="ident">is_empty</span>() { <span class="kw">return</span> <span class="prelude-val">None</span>; } <span class="kw">let</span> <span class="ident">l</span> <span class="op">=</span> <span class="ident">queue</span>.<span class="ident">pop_front</span>().<span class="ident">unwrap</span>(); <span class="kw">if</span> <span class="ident">visited</span>.<span class="ident">contains</span>(<span class="kw-2">&</span><span class="ident">l</span>) { <span class="kw">continue</span>; } <span class="ident">visited</span>.<span class="ident">insert</span>(<span class="ident">l</span>); <span class="comment">// TODO Could search by sidewalk endpoint</span> <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">pair</span>) <span class="op">=</span> <span class="ident">sidewalk_to_bike</span>(<span class="ident">Position</span>::<span class="ident">new</span>(<span class="ident">l</span>, <span class="ident">map</span>.<span class="ident">get_l</span>(<span class="ident">l</span>).<span class="ident">length</span>() <span class="op">/</span> <span class="number">2.0</span>), <span class="ident">map</span>) { <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">pair</span>); } <span class="kw">for</span> <span class="ident">t</span> <span class="kw">in</span> <span class="ident">map</span>.<span class="ident">get_turns_from_lane</span>(<span class="ident">l</span>) { <span class="kw">if</span> <span class="op">!</span><span class="ident">visited</span>.<span class="ident">contains</span>(<span class="kw-2">&</span><span class="ident">t</span>.<span class="ident">id</span>.<span class="ident">dst</span>) { <span class="ident">queue</span>.<span class="ident">push_back</span>(<span class="ident">t</span>.<span class="ident">id</span>.<span class="ident">dst</span>); } } } } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">num_parking_spots</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">usize</span> { <span class="kw">match</span> <span class="self">self</span>.<span class="ident">parking</span> { <span class="ident">OffstreetParking</span>::<span class="ident">PublicGarage</span>(<span class="kw">_</span>, <span class="ident">n</span>) <span class="op">=</span><span class="op">></span> <span class="ident">n</span>, <span class="ident">OffstreetParking</span>::<span class="ident">Private</span>(<span class="ident">n</span>, <span class="kw">_</span>) <span class="op">=</span><span class="op">></span> <span class="ident">n</span>, } } <span class="doccomment">/// Does this building contain any amenity matching the category?</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">has_amenity</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">category</span>: <span class="ident">AmenityType</span>) <span class="op">-</span><span class="op">></span> <span class="ident">bool</span> { <span class="kw">for</span> <span class="ident">amenity</span> <span class="kw">in</span> <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">amenities</span> { <span class="kw">if</span> <span class="ident">AmenityType</span>::<span class="ident">categorize</span>(<span class="kw-2">&</span><span class="ident">amenity</span>.<span class="ident">amenity_type</span>) <span class="op">=</span><span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">category</span>) { <span class="kw">return</span> <span class="bool-val">true</span>; } } <span class="bool-val">false</span> } } <span class="kw">fn</span> <span class="ident">sidewalk_to_bike</span>(<span class="ident">sidewalk_pos</span>: <span class="ident">Position</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="prelude-ty">Option</span><span class="op"><</span>(<span class="ident">Position</span>, <span class="ident">Position</span>)<span class="op">></span> { <span class="kw">let</span> <span class="ident">lane</span> <span class="op">=</span> <span class="ident">map</span>.<span class="ident">get_parent</span>(<span class="ident">sidewalk_pos</span>.<span class="ident">lane</span>()).<span class="ident">find_closest_lane</span>( <span class="ident">sidewalk_pos</span>.<span class="ident">lane</span>(), <span class="op">|</span><span class="ident">l</span><span class="op">|</span> <span class="op">!</span><span class="ident">l</span>.<span class="ident">biking_blackhole</span> <span class="op">&&</span> <span class="ident">PathConstraints</span>::<span class="ident">Bike</span>.<span class="ident">can_use</span>(<span class="ident">l</span>, <span class="ident">map</span>), <span class="ident">map</span>, )<span class="question-mark">?</span>; <span class="comment">// No buffer needed</span> <span class="prelude-val">Some</span>((<span class="ident">sidewalk_pos</span>.<span class="ident">equiv_pos</span>(<span class="ident">lane</span>, <span class="ident">map</span>), <span class="ident">sidewalk_pos</span>)) } <span class="doccomment">/// Businesses are categorized into one of these types.</span> <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>, <span class="ident">Copy</span>, <span class="ident">PartialEq</span>, <span class="ident">Eq</span>, <span class="ident">PartialOrd</span>, <span class="ident">Ord</span>)]</span> <span class="kw">pub</span> <span class="kw">enum</span> <span class="ident">AmenityType</span> { <span class="ident">Groceries</span>, <span class="ident">Food</span>, <span class="ident">Bar</span>, <span class="ident">Medical</span>, <span class="ident">Religious</span>, <span class="ident">Education</span>, <span class="ident">Financial</span>, <span class="ident">PostOffice</span>, <span class="ident">Culture</span>, <span class="ident">Childcare</span>, <span class="ident">Shopping</span>, } <span class="kw">impl</span> <span class="ident">AmenityType</span> { <span class="kw">fn</span> <span class="ident">types</span>(<span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">Vec</span><span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span><span class="op">></span> { <span class="comment">// TODO: create categories for:</span> <span class="comment">// hairdresser beauty chemist</span> <span class="comment">// car_repair</span> <span class="comment">// laundry</span> <span class="kw">match</span> <span class="self">self</span> { <span class="ident">AmenityType</span>::<span class="ident">Groceries</span> <span class="op">=</span><span class="op">></span> <span class="macro">vec</span><span class="macro">!</span>[<span class="string">"convenience"</span>, <span class="string">"supermarket"</span>], <span class="comment">// TODO Sort</span> <span class="ident">AmenityType</span>::<span class="ident">Food</span> <span class="op">=</span><span class="op">></span> <span class="macro">vec</span><span class="macro">!</span>[ <span class="string">"restaurant"</span>, <span class="string">"cafe"</span>, <span class="string">"fast_food"</span>, <span class="string">"food_court"</span>, <span class="string">"ice_cream"</span>, <span class="string">"pastry"</span>, <span class="string">"deli"</span>, <span class="string">"greengrocer"</span>, <span class="string">"bakery"</span>, <span class="string">"butcher"</span>, <span class="string">"confectionery"</span>, <span class="string">"beverages"</span>, <span class="string">"alcohol"</span>, ], <span class="ident">AmenityType</span>::<span class="ident">Bar</span> <span class="op">=</span><span class="op">></span> <span class="macro">vec</span><span class="macro">!</span>[<span class="string">"bar"</span>, <span class="string">"lounge"</span>, <span class="string">"pub"</span>, <span class="string">"nightclub"</span>], <span class="ident">AmenityType</span>::<span class="ident">Medical</span> <span class="op">=</span><span class="op">></span> <span class="macro">vec</span><span class="macro">!</span>[ <span class="string">"chiropractor"</span>, <span class="string">"clinic"</span>, <span class="string">"dentist"</span>, <span class="string">"hospital"</span>, <span class="string">"pharmacy"</span>, <span class="string">"optician"</span>, ], <span class="ident">AmenityType</span>::<span class="ident">Religious</span> <span class="op">=</span><span class="op">></span> <span class="macro">vec</span><span class="macro">!</span>[<span class="string">"place_of_worship"</span>], <span class="ident">AmenityType</span>::<span class="ident">Education</span> <span class="op">=</span><span class="op">></span> <span class="macro">vec</span><span class="macro">!</span>[<span class="string">"college"</span>, <span class="string">"school"</span>, <span class="string">"university"</span>], <span class="ident">AmenityType</span>::<span class="ident">Financial</span> <span class="op">=</span><span class="op">></span> <span class="macro">vec</span><span class="macro">!</span>[<span class="string">"bank"</span>], <span class="ident">AmenityType</span>::<span class="ident">PostOffice</span> <span class="op">=</span><span class="op">></span> <span class="macro">vec</span><span class="macro">!</span>[<span class="string">"post_office"</span>], <span class="ident">AmenityType</span>::<span class="ident">Culture</span> <span class="op">=</span><span class="op">></span> <span class="macro">vec</span><span class="macro">!</span>[ <span class="string">"arts_centre"</span>, <span class="string">"art_gallery"</span>, <span class="string">"cinema"</span>, <span class="string">"library"</span>, <span class="string">"museum"</span>, <span class="string">"theatre"</span>, ], <span class="ident">AmenityType</span>::<span class="ident">Childcare</span> <span class="op">=</span><span class="op">></span> <span class="macro">vec</span><span class="macro">!</span>[<span class="string">"childcare"</span>, <span class="string">"kindergarten"</span>], <span class="ident">AmenityType</span>::<span class="ident">Shopping</span> <span class="op">=</span><span class="op">></span> <span class="macro">vec</span><span class="macro">!</span>[ <span class="string">"second_hand"</span>, <span class="string">"clothes"</span>, <span class="string">"furniture"</span>, <span class="string">"shoes"</span>, <span class="string">"department_store"</span>, <span class="string">"car"</span>, <span class="string">"kiosk"</span>, <span class="string">"hardware"</span>, <span class="string">"mobile_phone"</span>, <span class="string">"florist"</span>, <span class="string">"electronics"</span>, <span class="string">"car_parts"</span>, <span class="string">"doityourself"</span>, <span class="string">"jewelry"</span>, <span class="string">"variety_store"</span>, <span class="string">"gift"</span>, <span class="string">"bicycle"</span>, <span class="string">"books"</span>, <span class="string">"sports"</span>, <span class="string">"travel_agency"</span>, <span class="string">"stationery"</span>, <span class="string">"pet"</span>, <span class="string">"computer"</span>, <span class="string">"tyres"</span>, <span class="string">"newsagent"</span>, ], } } <span class="doccomment">/// All types of amenities, in an arbitrary order.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">all</span>() <span class="op">-</span><span class="op">></span> <span class="ident">Vec</span><span class="op"><</span><span class="ident">AmenityType</span><span class="op">></span> { <span class="macro">vec</span><span class="macro">!</span>[ <span class="ident">AmenityType</span>::<span class="ident">Groceries</span>, <span class="ident">AmenityType</span>::<span class="ident">Food</span>, <span class="ident">AmenityType</span>::<span class="ident">Bar</span>, <span class="ident">AmenityType</span>::<span class="ident">Medical</span>, <span class="ident">AmenityType</span>::<span class="ident">Religious</span>, <span class="ident">AmenityType</span>::<span class="ident">Education</span>, <span class="ident">AmenityType</span>::<span class="ident">Financial</span>, <span class="ident">AmenityType</span>::<span class="ident">PostOffice</span>, <span class="ident">AmenityType</span>::<span class="ident">Culture</span>, <span class="ident">AmenityType</span>::<span class="ident">Childcare</span>, <span class="ident">AmenityType</span>::<span class="ident">Shopping</span>, ] } <span class="doccomment">/// Categorize an OSM amenity tag.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">categorize</span>(<span class="ident">a</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">AmenityType</span><span class="op">></span> { <span class="kw">for</span> <span class="ident">at</span> <span class="kw">in</span> <span class="ident">AmenityType</span>::<span class="ident">all</span>() { <span class="kw">if</span> <span class="ident">at</span>.<span class="ident">types</span>().<span class="ident">contains</span>(<span class="kw-2">&</span><span class="ident">a</span>) { <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">at</span>); } } <span class="prelude-val">None</span> } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">parse</span>(<span class="ident">x</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">AmenityType</span><span class="op">></span> { <span class="kw">match</span> <span class="ident">x</span> { <span class="string">"groceries"</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Some</span>(<span class="ident">AmenityType</span>::<span class="ident">Groceries</span>), <span class="string">"food"</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Some</span>(<span class="ident">AmenityType</span>::<span class="ident">Food</span>), <span class="string">"bar"</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Some</span>(<span class="ident">AmenityType</span>::<span class="ident">Bar</span>), <span class="string">"medical"</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Some</span>(<span class="ident">AmenityType</span>::<span class="ident">Medical</span>), <span class="string">"religious"</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Some</span>(<span class="ident">AmenityType</span>::<span class="ident">Religious</span>), <span class="string">"education"</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Some</span>(<span class="ident">AmenityType</span>::<span class="ident">Education</span>), <span class="string">"financial"</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Some</span>(<span class="ident">AmenityType</span>::<span class="ident">Financial</span>), <span class="string">"post office"</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Some</span>(<span class="ident">AmenityType</span>::<span class="ident">PostOffice</span>), <span class="string">"culture"</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Some</span>(<span class="ident">AmenityType</span>::<span class="ident">Culture</span>), <span class="string">"childcare"</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Some</span>(<span class="ident">AmenityType</span>::<span class="ident">Childcare</span>), <span class="string">"shopping"</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">Some</span>(<span class="ident">AmenityType</span>::<span class="ident">Shopping</span>), <span class="kw">_</span> <span class="op">=</span><span class="op">></span> <span class="prelude-val">None</span>, } } } <span class="kw">impl</span> <span class="ident">fmt</span>::<span class="ident">Display</span> <span class="kw">for</span> <span class="ident">AmenityType</span> { <span class="kw">fn</span> <span class="ident">fmt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">f</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">fmt</span>::<span class="ident">Formatter</span>) <span class="op">-</span><span class="op">></span> <span class="ident">fmt</span>::<span class="prelude-ty">Result</span> { <span class="macro">write</span><span class="macro">!</span>( <span class="ident">f</span>, <span class="string">"{}"</span>, <span class="kw">match</span> <span class="self">self</span> { <span class="ident">AmenityType</span>::<span class="ident">Groceries</span> <span class="op">=</span><span class="op">></span> <span class="string">"groceries"</span>, <span class="ident">AmenityType</span>::<span class="ident">Food</span> <span class="op">=</span><span class="op">></span> <span class="string">"food"</span>, <span class="ident">AmenityType</span>::<span class="ident">Bar</span> <span class="op">=</span><span class="op">></span> <span class="string">"bar"</span>, <span class="ident">AmenityType</span>::<span class="ident">Medical</span> <span class="op">=</span><span class="op">></span> <span class="string">"medical"</span>, <span class="ident">AmenityType</span>::<span class="ident">Religious</span> <span class="op">=</span><span class="op">></span> <span class="string">"religious"</span>, <span class="ident">AmenityType</span>::<span class="ident">Education</span> <span class="op">=</span><span class="op">></span> <span class="string">"education"</span>, <span class="ident">AmenityType</span>::<span class="ident">Financial</span> <span class="op">=</span><span class="op">></span> <span class="string">"financial"</span>, <span class="ident">AmenityType</span>::<span class="ident">PostOffice</span> <span class="op">=</span><span class="op">></span> <span class="string">"post office"</span>, <span class="ident">AmenityType</span>::<span class="ident">Culture</span> <span class="op">=</span><span class="op">></span> <span class="string">"culture"</span>, <span class="ident">AmenityType</span>::<span class="ident">Childcare</span> <span class="op">=</span><span class="op">></span> <span class="string">"childcare"</span>, <span class="ident">AmenityType</span>::<span class="ident">Shopping</span> <span class="op">=</span><span class="op">></span> <span class="string">"shopping"</span>, } ) } } </pre></div> </section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../../../";window.currentCrate = "map_model";</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>