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id="597">597</span> <span id="598">598</span> <span id="599">599</span> <span id="600">600</span> <span id="601">601</span> <span id="602">602</span> <span id="603">603</span> <span id="604">604</span> <span id="605">605</span> <span id="606">606</span> <span id="607">607</span> <span id="608">608</span> <span id="609">609</span> <span id="610">610</span> <span id="611">611</span> <span id="612">612</span> <span id="613">613</span> <span id="614">614</span> <span id="615">615</span> <span id="616">616</span> <span id="617">617</span> <span id="618">618</span> <span id="619">619</span> <span id="620">620</span> <span id="621">621</span> <span id="622">622</span> <span id="623">623</span> <span id="624">624</span> <span id="625">625</span> <span id="626">626</span> <span id="627">627</span> <span id="628">628</span> <span id="629">629</span> <span id="630">630</span> <span id="631">631</span> <span id="632">632</span> <span id="633">633</span> <span id="634">634</span> <span id="635">635</span> <span id="636">636</span> <span id="637">637</span> <span id="638">638</span> <span id="639">639</span> <span id="640">640</span> <span id="641">641</span> <span id="642">642</span> <span id="643">643</span> <span id="644">644</span> <span id="645">645</span> <span id="646">646</span> <span id="647">647</span> <span id="648">648</span> </pre><pre class="rust"><code><span class="kw">use</span> <span class="ident">std::collections::BTreeSet</span>; <span class="kw">use</span> <span class="ident">std::fmt</span>; <span class="kw">use</span> <span class="ident">anyhow::Result</span>; <span class="kw">use</span> <span class="ident">enumset::EnumSet</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_usize</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">Speed</span>}; <span class="kw">use</span> <span class="ident">raw_map::Direction</span>; <span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::raw</span>::{<span class="ident">OriginalRoad</span>, <span class="ident">RestrictionType</span>}; <span class="kw">use</span> <span class="kw">crate</span>::{ <span class="ident">osm</span>, <span class="ident">AccessRestrictions</span>, <span class="ident">CommonEndpoint</span>, <span class="ident">DrivingSide</span>, <span class="ident">IntersectionID</span>, <span class="ident">Lane</span>, <span class="ident">LaneID</span>, <span class="ident">LaneSpec</span>, <span class="ident">LaneType</span>, <span class="ident">Map</span>, <span class="ident">PathConstraints</span>, <span class="ident">TransitStopID</span>, <span class="ident">Zone</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">RoadID</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::Display</span> <span class="kw">for</span> <span class="ident">RoadID</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">&mut</span> <span class="ident">fmt::Formatter</span>) -> <span class="ident">fmt::Result</span> { <span class="macro">write!</span>(<span class="ident">f</span>, <span class="string">"Road #{}"</span>, <span class="self">self</span>.<span class="number">0</span>) } } <span class="kw">impl</span> <span class="ident">RoadID</span> { <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">both_directions</span>(<span class="self">self</span>) -> <span class="ident">Vec</span><span class="op"><</span><span class="ident">DirectedRoadID</span><span class="op">></span> { <span class="macro">vec!</span>[ <span class="ident">DirectedRoadID</span> { <span class="ident">road</span>: <span class="self">self</span>, <span class="ident">dir</span>: <span class="ident">Direction::Fwd</span>, }, <span class="ident">DirectedRoadID</span> { <span class="ident">road</span>: <span class="self">self</span>, <span class="ident">dir</span>: <span class="ident">Direction::Back</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">DirectedRoadID</span> { <span class="kw">pub</span> <span class="ident">road</span>: <span class="ident">RoadID</span>, <span class="kw">pub</span> <span class="ident">dir</span>: <span class="ident">Direction</span>, } <span class="kw">impl</span> <span class="ident">fmt::Display</span> <span class="kw">for</span> <span class="ident">DirectedRoadID</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">&mut</span> <span class="ident">fmt::Formatter</span>) -> <span class="ident">fmt::Result</span> { <span class="macro">write!</span>(<span class="ident">f</span>, <span class="string">"DirectedRoadID({}, {})"</span>, <span class="self">self</span>.<span class="ident">road</span>.<span class="number">0</span>, <span class="self">self</span>.<span class="ident">dir</span>,) } } <span class="kw">impl</span> <span class="ident">DirectedRoadID</span> { <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">src_i</span>(<span class="self">self</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>) -> <span class="ident">IntersectionID</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="self">self</span>.<span class="ident">road</span>); <span class="kw">if</span> <span class="self">self</span>.<span class="ident">dir</span> <span class="op">==</span> <span class="ident">Direction::Fwd</span> { <span class="ident">r</span>.<span class="ident">src_i</span> } <span class="kw">else</span> { <span class="ident">r</span>.<span class="ident">dst_i</span> } } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">dst_i</span>(<span class="self">self</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>) -> <span class="ident">IntersectionID</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="self">self</span>.<span class="ident">road</span>); <span class="kw">if</span> <span class="self">self</span>.<span class="ident">dir</span> <span class="op">==</span> <span class="ident">Direction::Fwd</span> { <span class="ident">r</span>.<span class="ident">dst_i</span> } <span class="kw">else</span> { <span class="ident">r</span>.<span class="ident">src_i</span> } } <span class="doccomment">/// Strict for bikes. If there are bike lanes, not allowed to use other lanes.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">lanes</span>(<span class="self">self</span>, <span class="ident">constraints</span>: <span class="ident">PathConstraints</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>) -> <span class="ident">Vec</span><span class="op"><</span><span class="ident">LaneID</span><span class="op">></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="self">self</span>.<span class="ident">road</span>); <span class="ident">constraints</span>.<span class="ident">filter_lanes</span>(<span class="ident">r</span>.<span class="ident">children</span>(<span class="self">self</span>.<span class="ident">dir</span>).<span class="ident">iter</span>().<span class="ident">map</span>(<span class="op">|</span>(<span class="ident">l</span>, <span class="kw">_</span>)<span class="op">|</span> <span class="kw-2">*</span><span class="ident">l</span>).<span class="ident">collect</span>(), <span class="ident">map</span>) } <span class="doccomment">/// Get the only sidewalk or shoulder on this side of the road, and panic otherwise.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">must_get_sidewalk</span>(<span class="self">self</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>) -> <span class="ident">LaneID</span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">found</span> <span class="op">=</span> <span class="ident">Vec::new</span>(); <span class="kw">for</span> (<span class="ident">l</span>, <span class="ident">lt</span>) <span class="kw">in</span> <span class="ident">map</span>.<span class="ident">get_r</span>(<span class="self">self</span>.<span class="ident">road</span>).<span class="ident">children</span>(<span class="self">self</span>.<span class="ident">dir</span>) { <span class="kw">if</span> <span class="ident">lt</span>.<span class="ident">is_walkable</span>() { <span class="ident">found</span>.<span class="ident">push</span>(<span class="ident">l</span>); } } <span class="kw">if</span> <span class="ident">found</span>.<span class="ident">len</span>() <span class="op">!</span><span class="op">=</span> <span class="number">1</span> { <span class="macro">panic!</span>(<span class="string">"must_get_sidewalk broken by {}"</span>, <span class="self">self</span>); } <span class="ident">found</span>[<span class="number">0</span>] } <span class="doccomment">/// Does this directed road have any lanes of a certain type?</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">has_lanes</span>(<span class="self">self</span>, <span class="ident">lane_type</span>: <span class="ident">LaneType</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>) -> <span class="ident">bool</span> { <span class="kw">for</span> (<span class="kw">_</span>, <span class="ident">lt</span>) <span class="kw">in</span> <span class="ident">map</span>.<span class="ident">get_r</span>(<span class="self">self</span>.<span class="ident">road</span>).<span class="ident">children</span>(<span class="self">self</span>.<span class="ident">dir</span>) { <span class="kw">if</span> <span class="ident">lt</span> <span class="op">==</span> <span class="ident">lane_type</span> { <span class="kw">return</span> <span class="bool-val">true</span>; } } <span class="bool-val">false</span> } } <span class="doccomment">/// See https://wiki.openstreetmap.org/wiki/Forward_%26_backward,_left_%26_right.</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">enum</span> <span class="ident">SideOfRoad</span> { <span class="ident">Right</span>, <span class="ident">Left</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">RoadSideID</span> { <span class="kw">pub</span> <span class="ident">road</span>: <span class="ident">RoadID</span>, <span class="kw">pub</span> <span class="ident">side</span>: <span class="ident">SideOfRoad</span>, } <span class="kw">impl</span> <span class="ident">RoadSideID</span> { <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_outermost_lane</span>(<span class="self">self</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>) -> <span class="kw-2">&</span><span class="ident">Lane</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="self">self</span>.<span class="ident">road</span>); <span class="kw">match</span> <span class="self">self</span>.<span class="ident">side</span> { <span class="ident">SideOfRoad::Right</span> => <span class="ident">r</span>.<span class="ident">lanes</span>.<span class="ident">last</span>().<span class="ident">unwrap</span>(), <span class="ident">SideOfRoad::Left</span> => <span class="kw-2">&</span><span class="ident">r</span>.<span class="ident">lanes</span>[<span class="number">0</span>], } } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">other_side</span>(<span class="self">self</span>) -> <span class="ident">RoadSideID</span> { <span class="ident">RoadSideID</span> { <span class="ident">road</span>: <span class="self">self</span>.<span class="ident">road</span>, <span class="ident">side</span>: <span class="kw">if</span> <span class="self">self</span>.<span class="ident">side</span> <span class="op">==</span> <span class="ident">SideOfRoad::Left</span> { <span class="ident">SideOfRoad::Right</span> } <span class="kw">else</span> { <span class="ident">SideOfRoad::Left</span> }, } } } <span class="doccomment">/// A Road represents a segment between exactly two Intersections. It contains Lanes as children.</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">struct</span> <span class="ident">Road</span> { <span class="kw">pub</span> <span class="ident">id</span>: <span class="ident">RoadID</span>, <span class="kw">pub</span> <span class="ident">osm_tags</span>: <span class="ident">Tags</span>, <span class="doccomment">/// self is 'from'</span> <span class="kw">pub</span> <span class="ident">turn_restrictions</span>: <span class="ident">Vec</span><span class="op"><</span>(<span class="ident">RestrictionType</span>, <span class="ident">RoadID</span>)<span class="op">></span>, <span class="doccomment">/// self is 'from'. (via, to). Only BanTurns.</span> <span class="kw">pub</span> <span class="ident">complicated_turn_restrictions</span>: <span class="ident">Vec</span><span class="op"><</span>(<span class="ident">RoadID</span>, <span class="ident">RoadID</span>)<span class="op">></span>, <span class="kw">pub</span> <span class="ident">orig_id</span>: <span class="ident">OriginalRoad</span>, <span class="kw">pub</span> <span class="ident">speed_limit</span>: <span class="ident">Speed</span>, <span class="kw">pub</span> <span class="ident">access_restrictions</span>: <span class="ident">AccessRestrictions</span>, <span class="kw">pub</span> <span class="ident">zorder</span>: <span class="ident">isize</span>, <span class="doccomment">/// [-1.0, 1.0] theoretically, but in practice, about [-0.25, 0.25]. 0 is flat,</span> <span class="doccomment">/// positive is uphill from src_i -> dst_i, negative is downhill.</span> <span class="kw">pub</span> <span class="ident">percent_incline</span>: <span class="ident">f64</span>, <span class="doccomment">/// Invariant: A road must contain at least one child. These are ordered from the left side of</span> <span class="doccomment">/// the road to the right, with that orientation determined by the direction of `center_pts`.</span> <span class="kw">pub</span> <span class="ident">lanes</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">Lane</span><span class="op">></span>, <span class="doccomment">/// The physical center of the road, including sidewalks, after trimming to account for the</span> <span class="doccomment">/// intersection geometry. The order implies road orientation.</span> <span class="kw">pub</span> <span class="ident">center_pts</span>: <span class="ident">PolyLine</span>, <span class="doccomment">/// Like center_pts, but before any trimming for intersection geometry. This is preserved so</span> <span class="doccomment">/// that when modifying road width, intersection polygons can be calculated correctly.</span> <span class="kw">pub</span> <span class="ident">untrimmed_center_pts</span>: <span class="ident">PolyLine</span>, <span class="kw">pub</span> <span class="ident">src_i</span>: <span class="ident">IntersectionID</span>, <span class="kw">pub</span> <span class="ident">dst_i</span>: <span class="ident">IntersectionID</span>, <span class="doccomment">/// Is there a tagged crosswalk near each end of the road?</span> <span class="kw">pub</span> <span class="ident">crosswalk_forward</span>: <span class="ident">bool</span>, <span class="kw">pub</span> <span class="ident">crosswalk_backward</span>: <span class="ident">bool</span>, <span class="doccomment">/// Meaningless order</span> <span class="kw">pub</span> <span class="ident">transit_stops</span>: <span class="ident">BTreeSet</span><span class="op"><</span><span class="ident">TransitStopID</span><span class="op">></span>, } <span class="kw">impl</span> <span class="ident">Road</span> { <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">lane_specs</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">Vec</span><span class="op"><</span><span class="ident">LaneSpec</span><span class="op">></span> { <span class="self">self</span>.<span class="ident">lanes</span> .<span class="ident">iter</span>() .<span class="ident">map</span>(<span class="op">|</span><span class="ident">l</span><span class="op">|</span> <span class="ident">LaneSpec</span> { <span class="ident">lt</span>: <span class="ident">l</span>.<span class="ident">lane_type</span>, <span class="ident">dir</span>: <span class="ident">l</span>.<span class="ident">dir</span>, <span class="ident">width</span>: <span class="ident">l</span>.<span class="ident">width</span>, }) .<span class="ident">collect</span>() } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">shift_from_left_side</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">width_from_left_side</span>: <span class="ident">Distance</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">PolyLine</span><span class="op">></span> { <span class="self">self</span>.<span class="ident">center_pts</span> .<span class="ident">shift_from_center</span>(<span class="self">self</span>.<span class="ident">get_width</span>(), <span class="ident">width_from_left_side</span>) } <span class="doccomment">/// lane must belong to this road. Offset 0 is the centermost lane on each side of a road, then</span> <span class="doccomment">/// it counts up from there. Note this is a different offset than `offset`!</span> <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">dir_and_offset</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">lane</span>: <span class="ident">LaneID</span>) -> (<span class="ident">Direction</span>, <span class="ident">usize</span>) { <span class="kw">for</span> <span class="ident">dir</span> <span class="kw">in</span> [<span class="ident">Direction::Fwd</span>, <span class="ident">Direction::Back</span>] { <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">idx</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">children</span>(<span class="ident">dir</span>).<span class="ident">iter</span>().<span class="ident">position</span>(<span class="op">|</span><span class="ident">pair</span><span class="op">|</span> <span class="ident">pair</span>.<span class="number">0</span> <span class="op">==</span> <span class="ident">lane</span>) { <span class="kw">return</span> (<span class="ident">dir</span>, <span class="ident">idx</span>); } } <span class="macro">panic!</span>(<span class="string">"{} doesn't contain {}"</span>, <span class="self">self</span>.<span class="ident">id</span>, <span class="ident">lane</span>); } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">parking_to_driving</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">parking</span>: <span class="ident">LaneID</span>) -> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">LaneID</span><span class="op">></span> { <span class="self">self</span>.<span class="ident">find_closest_lane</span>(<span class="ident">parking</span>, <span class="op">|</span><span class="ident">l</span><span class="op">|</span> <span class="ident">l</span>.<span class="ident">is_driving</span>()) } <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">speed_limit_from_osm</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">Speed</span> { <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">limit</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">osm_tags</span>.<span class="ident">get</span>(<span class="ident">osm::MAXSPEED</span>) { <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">kmph</span>) <span class="op">=</span> <span class="ident">limit</span>.<span class="ident">parse</span>::<span class="op"><</span><span class="ident">f64</span><span class="op">></span>() { <span class="kw">if</span> <span class="ident">kmph</span> <span class="op">==</span> <span class="number">0.0</span> { <span class="macro">warn!</span>(<span class="string">"{} has a speed limit of 0"</span>, <span class="self">self</span>.<span class="ident">orig_id</span>.<span class="ident">osm_way_id</span>); <span class="kw">return</span> <span class="ident">Speed::miles_per_hour</span>(<span class="number">1.0</span>); } <span class="kw">return</span> <span class="ident">Speed::km_per_hour</span>(<span class="ident">kmph</span>); } <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">mph</span>) <span class="op">=</span> <span class="ident">limit</span> .<span class="ident">strip_suffix</span>(<span class="string">" mph"</span>) .<span class="ident">and_then</span>(<span class="op">|</span><span class="ident">x</span><span class="op">|</span> <span class="ident">x</span>.<span class="ident">parse</span>::<span class="op"><</span><span class="ident">f64</span><span class="op">></span>().<span class="ident">ok</span>()) { <span class="kw">return</span> <span class="ident">Speed::miles_per_hour</span>(<span class="ident">mph</span>); } <span class="comment">// TODO Handle implicits, like PL:zone30</span> } <span class="comment">// These're half reasonable guesses. Better to explicitly tag in OSM.</span> <span class="kw">if</span> <span class="self">self</span> .<span class="ident">osm_tags</span> .<span class="ident">is_any</span>(<span class="ident">osm::HIGHWAY</span>, <span class="macro">vec!</span>[<span class="string">"primary"</span>, <span class="string">"secondary"</span>, <span class="string">"motorway_link"</span>]) { <span class="kw">return</span> <span class="ident">Speed::miles_per_hour</span>(<span class="number">40.0</span>); } <span class="kw">if</span> <span class="self">self</span>.<span class="ident">osm_tags</span>.<span class="ident">is</span>(<span class="ident">osm::HIGHWAY</span>, <span class="string">"living_street"</span>) { <span class="comment">// about 12mph</span> <span class="kw">return</span> <span class="ident">Speed::km_per_hour</span>(<span class="number">20.0</span>); } <span class="kw">if</span> <span class="self">self</span>.<span class="ident">is_service</span>() { <span class="kw">return</span> <span class="ident">Speed::miles_per_hour</span>(<span class="number">10.0</span>); } <span class="ident">Speed::miles_per_hour</span>(<span class="number">20.0</span>) } <span class="doccomment">/// Includes off-side</span> <span class="comment">// TODO Specialize a variant for PathConstraints.can_use. Only one caller needs something</span> <span class="comment">// fancier.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">find_closest_lane</span><span class="op"><</span><span class="ident">F</span>: <span class="ident">Fn</span>(<span class="kw-2">&</span><span class="ident">Lane</span>) -> <span class="ident">bool</span><span class="op">></span>( <span class="kw-2">&</span><span class="self">self</span>, <span class="ident">from</span>: <span class="ident">LaneID</span>, <span class="ident">filter</span>: <span class="ident">F</span>, ) -> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">LaneID</span><span class="op">></span> { <span class="kw">let</span> <span class="ident">our_idx</span> <span class="op">=</span> <span class="ident">from</span>.<span class="ident">offset</span> <span class="kw">as</span> <span class="ident">isize</span>; <span class="self">self</span>.<span class="ident">lanes</span> .<span class="ident">iter</span>() .<span class="ident">enumerate</span>() .<span class="ident">filter_map</span>(<span class="op">|</span>(<span class="ident">idx</span>, <span class="ident">l</span>)<span class="op">|</span> { <span class="kw">if</span> (<span class="ident">idx</span> <span class="kw">as</span> <span class="ident">isize</span>) <span class="op">!</span><span class="op">=</span> <span class="ident">our_idx</span> <span class="op">&&</span> <span class="ident">filter</span>(<span class="ident">l</span>) { <span class="prelude-val">Some</span>((<span class="ident">idx</span>, <span class="ident">l</span>.<span class="ident">id</span>)) } <span class="kw">else</span> { <span class="prelude-val">None</span> } }) .<span class="ident">min_by_key</span>(<span class="op">|</span>(<span class="ident">idx</span>, <span class="kw">_</span>)<span class="op">|</span> (<span class="ident">our_idx</span> <span class="op">-</span> (<span class="kw-2">*</span><span class="ident">idx</span> <span class="kw">as</span> <span class="ident">isize</span>)).<span class="ident">abs</span>()) .<span class="ident">map</span>(<span class="op">|</span>(<span class="kw">_</span>, <span class="ident">l</span>)<span class="op">|</span> <span class="ident">l</span>) } <span class="doccomment">/// This is the FIRST yellow line where the direction of the road changes. If multiple direction</span> <span class="doccomment">/// changes happen, the result is kind of arbitrary.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_dir_change_pl</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="ident">PolyLine</span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">found</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">Lane</span><span class="op">></span> <span class="op">=</span> <span class="prelude-val">None</span>; <span class="kw">for</span> <span class="ident">pair</span> <span class="kw">in</span> <span class="self">self</span>.<span class="ident">lanes</span>.<span class="ident">windows</span>(<span class="number">2</span>) { <span class="kw">if</span> <span class="ident">pair</span>[<span class="number">0</span>].<span class="ident">dir</span> <span class="op">!</span><span class="op">=</span> <span class="ident">pair</span>[<span class="number">1</span>].<span class="ident">dir</span> { <span class="ident">found</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="kw-2">&</span><span class="ident">pair</span>[<span class="number">0</span>]); <span class="kw">break</span>; } } <span class="kw">let</span> <span class="ident">lane</span> <span class="op">=</span> <span class="ident">found</span>.<span class="ident">unwrap_or</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">lanes</span>[<span class="number">0</span>]); <span class="comment">// There's a weird edge case with single lane light rail on left-handed maps...</span> <span class="kw">let</span> <span class="ident">shifted</span> <span class="op">=</span> <span class="kw">if</span> <span class="ident">map</span>.<span class="ident">get_config</span>().<span class="ident">driving_side</span> <span class="op">==</span> <span class="ident">DrivingSide::Right</span> <span class="op">|</span><span class="op">|</span> <span class="ident">found</span>.<span class="ident">is_none</span>() { <span class="ident">lane</span>.<span class="ident">lane_center_pts</span>.<span class="ident">must_shift_left</span>(<span class="ident">lane</span>.<span class="ident">width</span> <span class="op">/</span> <span class="number">2.0</span>) } <span class="kw">else</span> { <span class="ident">lane</span>.<span class="ident">lane_center_pts</span>.<span class="ident">must_shift_right</span>(<span class="ident">lane</span>.<span class="ident">width</span> <span class="op">/</span> <span class="number">2.0</span>) }; <span class="kw">if</span> <span class="ident">lane</span>.<span class="ident">dir</span> <span class="op">==</span> <span class="ident">Direction::Fwd</span> { <span class="ident">shifted</span> } <span class="kw">else</span> { <span class="ident">shifted</span>.<span class="ident">reversed</span>() } } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_half_width</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">Distance</span> { <span class="self">self</span>.<span class="ident">get_width</span>() <span class="op">/</span> <span class="number">2.0</span> } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_width</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">Distance</span> { <span class="self">self</span>.<span class="ident">lanes</span>.<span class="ident">iter</span>().<span class="ident">map</span>(<span class="op">|</span><span class="ident">l</span><span class="op">|</span> <span class="ident">l</span>.<span class="ident">width</span>).<span class="ident">sum</span>::<span class="op"><</span><span class="ident">Distance</span><span class="op">></span>() } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_thick_polygon</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">Polygon</span> { <span class="self">self</span>.<span class="ident">center_pts</span>.<span class="ident">make_polygons</span>(<span class="self">self</span>.<span class="ident">get_width</span>()) } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">length</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">Distance</span> { <span class="self">self</span>.<span class="ident">center_pts</span>.<span class="ident">length</span>() } <span class="doccomment">/// Creates the thick polygon representing one half of the road. For roads with multipe</span> <span class="doccomment">/// direction changes (like a two-way cycletrack adjacent to a regular two-way road), the</span> <span class="doccomment">/// results are probably weird.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_half_polygon</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">dir</span>: <span class="ident">Direction</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="ident">Map</span>) -> <span class="prelude-ty">Result</span><span class="op"><</span><span class="ident">Polygon</span><span class="op">></span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">width_fwd</span> <span class="op">=</span> <span class="ident">Distance::ZERO</span>; <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">width_back</span> <span class="op">=</span> <span class="ident">Distance::ZERO</span>; <span class="kw">for</span> <span class="ident">l</span> <span class="kw">in</span> <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">lanes</span> { <span class="kw">if</span> <span class="ident">l</span>.<span class="ident">dir</span> <span class="op">==</span> <span class="ident">Direction::Fwd</span> { <span class="ident">width_fwd</span> <span class="op">+</span><span class="op">=</span> <span class="ident">l</span>.<span class="ident">width</span>; } <span class="kw">else</span> { <span class="ident">width_back</span> <span class="op">+</span><span class="op">=</span> <span class="ident">l</span>.<span class="ident">width</span>; } } <span class="kw">let</span> <span class="ident">center</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">get_dir_change_pl</span>(<span class="ident">map</span>); <span class="comment">// TODO Test on UK maps...</span> <span class="kw">let</span> <span class="ident">shift</span> <span class="op">=</span> <span class="kw">if</span> <span class="ident">map</span>.<span class="ident">get_config</span>().<span class="ident">driving_side</span> <span class="op">==</span> <span class="ident">DrivingSide::Right</span> { <span class="number">1.0</span> } <span class="kw">else</span> { <span class="op">-</span><span class="number">1.0</span> }; <span class="kw">if</span> <span class="ident">dir</span> <span class="op">==</span> <span class="ident">Direction::Fwd</span> { <span class="prelude-val">Ok</span>(<span class="ident">center</span> .<span class="ident">shift_right</span>(<span class="ident">shift</span> <span class="op">*</span> <span class="ident">width_fwd</span> <span class="op">/</span> <span class="number">2.0</span>)<span class="question-mark">?</span> .<span class="ident">make_polygons</span>(<span class="ident">width_fwd</span>)) } <span class="kw">else</span> { <span class="prelude-val">Ok</span>(<span class="ident">center</span> .<span class="ident">shift_left</span>(<span class="ident">shift</span> <span class="op">*</span> <span class="ident">width_back</span> <span class="op">/</span> <span class="number">2.0</span>)<span class="question-mark">?</span> .<span class="ident">make_polygons</span>(<span class="ident">width_back</span>)) } } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_name</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="ident">String</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">lang</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="ident">osm_tags</span>.<span class="ident">get</span>(<span class="kw-2">&</span><span class="macro">format!</span>(<span class="string">"name:{}"</span>, <span class="ident">lang</span>)) { <span class="kw">return</span> <span class="ident">name</span>.<span class="ident">to_string</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="ident">osm_tags</span>.<span class="ident">get</span>(<span class="ident">osm::NAME</span>) { <span class="kw">if</span> <span class="ident">name</span>.<span class="ident">is_empty</span>() { <span class="kw">return</span> <span class="string">"???"</span>.<span class="ident">to_string</span>(); } <span class="kw">else</span> { <span class="kw">return</span> <span class="ident">name</span>.<span class="ident">to_string</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="ident">osm_tags</span>.<span class="ident">get</span>(<span class="string">"ref"</span>) { <span class="kw">return</span> <span class="ident">name</span>.<span class="ident">to_string</span>(); } <span class="kw">if</span> <span class="self">self</span> .<span class="ident">osm_tags</span> .<span class="ident">get</span>(<span class="ident">osm::HIGHWAY</span>) .<span class="ident">map</span>(<span class="op">|</span><span class="ident">hwy</span><span class="op">|</span> <span class="ident">hwy</span>.<span class="ident">ends_with</span>(<span class="string">"_link"</span>)) .<span class="ident">unwrap_or</span>(<span class="bool-val">false</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="ident">osm_tags</span>.<span class="ident">get</span>(<span class="string">"destination:street"</span>) { <span class="kw">return</span> <span class="macro">format!</span>(<span class="string">"Exit for {}"</span>, <span class="ident">name</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="ident">osm_tags</span>.<span class="ident">get</span>(<span class="string">"destination:ref"</span>) { <span class="kw">return</span> <span class="macro">format!</span>(<span class="string">"Exit for {}"</span>, <span class="ident">name</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="ident">osm_tags</span>.<span class="ident">get</span>(<span class="string">"destination"</span>) { <span class="kw">return</span> <span class="macro">format!</span>(<span class="string">"Exit for {}"</span>, <span class="ident">name</span>); } <span class="comment">// Sometimes 'directions' is filled out, but incorrectly...</span> } <span class="string">"???"</span>.<span class="ident">to_string</span>() } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_rank</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">osm::RoadRank</span> { <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">x</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">osm_tags</span>.<span class="ident">get</span>(<span class="ident">osm::HIGHWAY</span>) { <span class="kw">if</span> <span class="ident">x</span> <span class="op">==</span> <span class="string">"construction"</span> { <span class="comment">// What exactly is under construction?</span> <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Some</span>(<span class="ident">x</span>) <span class="op">=</span> <span class="self">self</span>.<span class="ident">osm_tags</span>.<span class="ident">get</span>(<span class="string">"construction"</span>) { <span class="ident">osm::RoadRank::from_highway</span>(<span class="ident">x</span>) } <span class="kw">else</span> { <span class="ident">osm::RoadRank::Local</span> } } <span class="kw">else</span> { <span class="ident">osm::RoadRank::from_highway</span>(<span class="ident">x</span>) } } <span class="kw">else</span> { <span class="ident">osm::RoadRank::Local</span> } } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_detailed_rank</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">usize</span> { <span class="self">self</span>.<span class="ident">osm_tags</span> .<span class="ident">get</span>(<span class="ident">osm::HIGHWAY</span>) .<span class="ident">map</span>(<span class="op">|</span><span class="ident">hwy</span><span class="op">|</span> <span class="ident">osm::RoadRank::detailed_from_highway</span>(<span class="ident">hwy</span>)) .<span class="ident">unwrap_or</span>(<span class="number">0</span>) } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">is_light_rail</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">bool</span> { <span class="self">self</span>.<span class="ident">lanes</span>.<span class="ident">len</span>() <span class="op">==</span> <span class="number">1</span> <span class="op">&&</span> <span class="self">self</span>.<span class="ident">lanes</span>[<span class="number">0</span>].<span class="ident">lane_type</span> <span class="op">==</span> <span class="ident">LaneType::LightRail</span> } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">is_footway</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">bool</span> { <span class="self">self</span>.<span class="ident">lanes</span>.<span class="ident">len</span>() <span class="op">==</span> <span class="number">1</span> <span class="op">&&</span> <span class="self">self</span>.<span class="ident">lanes</span>[<span class="number">0</span>].<span class="ident">lane_type</span> <span class="op">==</span> <span class="ident">LaneType::Sidewalk</span> } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">is_service</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">bool</span> { <span class="self">self</span>.<span class="ident">osm_tags</span>.<span class="ident">is</span>(<span class="ident">osm::HIGHWAY</span>, <span class="string">"service"</span>) } <span class="comment">// TODO Shared walking/biking roads get classified as a cycleway for now</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">is_cycleway</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">bool</span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">bike</span> <span class="op">=</span> <span class="bool-val">false</span>; <span class="kw">for</span> <span class="ident">lane</span> <span class="kw">in</span> <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">lanes</span> { <span class="kw">if</span> <span class="ident">lane</span>.<span class="ident">lane_type</span> <span class="op">==</span> <span class="ident">LaneType::Biking</span> { <span class="ident">bike</span> <span class="op">=</span> <span class="bool-val">true</span>; } <span class="kw">else</span> <span class="kw">if</span> <span class="op">!</span><span class="ident">lane</span>.<span class="ident">is_walkable</span>() { <span class="kw">return</span> <span class="bool-val">false</span>; } } <span class="ident">bike</span> } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">is_driveable</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">bool</span> { <span class="self">self</span>.<span class="ident">lanes</span>.<span class="ident">iter</span>().<span class="ident">any</span>(<span class="op">|</span><span class="ident">l</span><span class="op">|</span> <span class="ident">l</span>.<span class="ident">is_driving</span>()) } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">common_endpoint</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">other</span>: <span class="kw-2">&</span><span class="ident">Road</span>) -> <span class="ident">CommonEndpoint</span> { <span class="ident">CommonEndpoint::new</span>((<span class="self">self</span>.<span class="ident">src_i</span>, <span class="self">self</span>.<span class="ident">dst_i</span>), (<span class="ident">other</span>.<span class="ident">src_i</span>, <span class="ident">other</span>.<span class="ident">dst_i</span>)) } <span class="doccomment">/// Returns the other intersection of this road, panicking if this road doesn't connect to the</span> <span class="doccomment">/// input</span> <span class="doccomment">/// TODO This should use CommonEndpoint</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">other_endpt</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">i</span>: <span class="ident">IntersectionID</span>) -> <span class="ident">IntersectionID</span> { <span class="kw">if</span> <span class="self">self</span>.<span class="ident">src_i</span> <span class="op">==</span> <span class="ident">i</span> { <span class="self">self</span>.<span class="ident">dst_i</span> } <span class="kw">else</span> <span class="kw">if</span> <span class="self">self</span>.<span class="ident">dst_i</span> <span class="op">==</span> <span class="ident">i</span> { <span class="self">self</span>.<span class="ident">src_i</span> } <span class="kw">else</span> { <span class="macro">panic!</span>(<span class="string">"{} doesn't touch {}"</span>, <span class="self">self</span>.<span class="ident">id</span>, <span class="ident">i</span>); } } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">is_private</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">bool</span> { <span class="self">self</span>.<span class="ident">access_restrictions</span> <span class="op">!</span><span class="op">=</span> <span class="ident">AccessRestrictions::new</span>() <span class="op">&&</span> <span class="op">!</span><span class="self">self</span>.<span class="ident">is_light_rail</span>() } <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">access_restrictions_from_osm</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">AccessRestrictions</span> { <span class="kw">let</span> <span class="ident">allow_through_traffic</span> <span class="op">=</span> <span class="kw">if</span> <span class="self">self</span>.<span class="ident">osm_tags</span>.<span class="ident">is</span>(<span class="string">"access"</span>, <span class="string">"private"</span>) { <span class="ident">EnumSet::new</span>() } <span class="kw">else</span> <span class="kw">if</span> <span class="self">self</span>.<span class="ident">osm_tags</span>.<span class="ident">is</span>(<span class="ident">osm::HIGHWAY</span>, <span class="string">"living_street"</span>) { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">allow</span> <span class="op">=</span> <span class="ident">PathConstraints::Pedestrian</span> <span class="op">|</span> <span class="ident">PathConstraints::Bike</span>; <span class="kw">if</span> <span class="self">self</span>.<span class="ident">osm_tags</span>.<span class="ident">is</span>(<span class="string">"psv"</span>, <span class="string">"yes"</span>) <span class="op">|</span><span class="op">|</span> <span class="self">self</span>.<span class="ident">osm_tags</span>.<span class="ident">is</span>(<span class="string">"bus"</span>, <span class="string">"yes"</span>) { <span class="ident">allow</span> <span class="op">|</span><span class="op">=</span> <span class="ident">PathConstraints::Bus</span>; } <span class="ident">allow</span> } <span class="kw">else</span> { <span class="ident">EnumSet::all</span>() }; <span class="ident">AccessRestrictions</span> { <span class="ident">allow_through_traffic</span>, } } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_zone</span><span class="op"><</span><span class="lifetime">'a</span><span class="op">></span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">map</span>: <span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">Map</span>) -> <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="lifetime">'a</span> <span class="ident">Zone</span><span class="op">></span> { <span class="kw">if</span> <span class="op">!</span><span class="self">self</span>.<span class="ident">is_private</span>() { <span class="kw">return</span> <span class="prelude-val">None</span>; } <span class="comment">// Insist on it existing</span> <span class="prelude-val">Some</span>( <span class="ident">map</span>.<span class="ident">zones</span> .<span class="ident">iter</span>() .<span class="ident">find</span>(<span class="op">|</span><span class="ident">z</span><span class="op">|</span> <span class="ident">z</span>.<span class="ident">members</span>.<span class="ident">contains</span>(<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">id</span>)) .<span class="ident">unwrap</span>(), ) } <span class="doccomment">/// Many roads wind up with almost no length, due to their representation in OpenStreetMap. In</span> <span class="doccomment">/// reality, these segments are likely located within the interior of an intersection. This</span> <span class="doccomment">/// method uses a hardcoded threshold to detect these cases.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">is_extremely_short</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">bool</span> { <span class="self">self</span>.<span class="ident">length</span>() <span class="op"><</span> <span class="ident">Distance::meters</span>(<span class="number">2.0</span>) } <span class="doccomment">/// Get the DirectedRoadID pointing to the intersection. Panics if the intersection isn't an</span> <span class="doccomment">/// endpoint.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">directed_id_from</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">i</span>: <span class="ident">IntersectionID</span>) -> <span class="ident">DirectedRoadID</span> { <span class="ident">DirectedRoadID</span> { <span class="ident">road</span>: <span class="self">self</span>.<span class="ident">id</span>, <span class="ident">dir</span>: <span class="kw">if</span> <span class="self">self</span>.<span class="ident">src_i</span> <span class="op">==</span> <span class="ident">i</span> { <span class="ident">Direction::Fwd</span> } <span class="kw">else</span> <span class="kw">if</span> <span class="self">self</span>.<span class="ident">dst_i</span> <span class="op">==</span> <span class="ident">i</span> { <span class="ident">Direction::Back</span> } <span class="kw">else</span> { <span class="macro">panic!</span>(<span class="string">"{} doesn't point to {}"</span>, <span class="self">self</span>.<span class="ident">id</span>, <span class="ident">i</span>); }, } } <span class="doccomment">/// Get the DirectedRoadID pointing from the intersection. Panics if the intersection isn't an</span> <span class="doccomment">/// endpoint.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">directed_id_to</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">i</span>: <span class="ident">IntersectionID</span>) -> <span class="ident">DirectedRoadID</span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">id</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">directed_id_from</span>(<span class="ident">i</span>); <span class="ident">id</span>.<span class="ident">dir</span> <span class="op">=</span> <span class="ident">id</span>.<span class="ident">dir</span>.<span class="ident">opposite</span>(); <span class="ident">id</span> } <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">recreate_lanes</span>(<span class="kw-2">&mut</span> <span class="self">self</span>, <span class="ident">lane_specs_ltr</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">LaneSpec</span><span class="op">></span>) { <span class="self">self</span>.<span class="ident">lanes</span>.<span class="ident">clear</span>(); <span class="kw">let</span> <span class="ident">total_width</span> <span class="op">=</span> <span class="ident">lane_specs_ltr</span>.<span class="ident">iter</span>().<span class="ident">map</span>(<span class="op">|</span><span class="ident">x</span><span class="op">|</span> <span class="ident">x</span>.<span class="ident">width</span>).<span class="ident">sum</span>(); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">width_so_far</span> <span class="op">=</span> <span class="ident">Distance::ZERO</span>; <span class="kw">for</span> <span class="ident">lane</span> <span class="kw">in</span> <span class="ident">lane_specs_ltr</span> { <span class="kw">let</span> <span class="ident">id</span> <span class="op">=</span> <span class="ident">LaneID</span> { <span class="ident">road</span>: <span class="self">self</span>.<span class="ident">id</span>, <span class="ident">offset</span>: <span class="self">self</span>.<span class="ident">lanes</span>.<span class="ident">len</span>(), }; <span class="kw">let</span> (<span class="ident">src_i</span>, <span class="ident">dst_i</span>) <span class="op">=</span> <span class="kw">if</span> <span class="ident">lane</span>.<span class="ident">dir</span> <span class="op">==</span> <span class="ident">Direction::Fwd</span> { (<span class="self">self</span>.<span class="ident">src_i</span>, <span class="self">self</span>.<span class="ident">dst_i</span>) } <span class="kw">else</span> { (<span class="self">self</span>.<span class="ident">dst_i</span>, <span class="self">self</span>.<span class="ident">src_i</span>) }; <span class="ident">width_so_far</span> <span class="op">+</span><span class="op">=</span> <span class="ident">lane</span>.<span class="ident">width</span> <span class="op">/</span> <span class="number">2.0</span>; <span class="kw">let</span> <span class="ident">pl</span> <span class="op">=</span> <span class="self">self</span> .<span class="ident">center_pts</span> .<span class="ident">shift_from_center</span>(<span class="ident">total_width</span>, <span class="ident">width_so_far</span>) .<span class="ident">unwrap_or_else</span>(<span class="op">|</span><span class="kw">_</span><span class="op">|</span> <span class="self">self</span>.<span class="ident">center_pts</span>.<span class="ident">clone</span>()); <span class="ident">width_so_far</span> <span class="op">+</span><span class="op">=</span> <span class="ident">lane</span>.<span class="ident">width</span> <span class="op">/</span> <span class="number">2.0</span>; <span class="kw">let</span> <span class="ident">lane_center_pts</span> <span class="op">=</span> <span class="kw">if</span> <span class="ident">lane</span>.<span class="ident">dir</span> <span class="op">==</span> <span class="ident">Direction::Fwd</span> { <span class="ident">pl</span> } <span class="kw">else</span> { <span class="ident">pl</span>.<span class="ident">reversed</span>() }; <span class="self">self</span>.<span class="ident">lanes</span>.<span class="ident">push</span>(<span class="ident">Lane</span> { <span class="ident">id</span>, <span class="ident">lane_center_pts</span>, <span class="ident">width</span>: <span class="ident">lane</span>.<span class="ident">width</span>, <span class="ident">src_i</span>, <span class="ident">dst_i</span>, <span class="ident">lane_type</span>: <span class="ident">lane</span>.<span class="ident">lt</span>, <span class="ident">dir</span>: <span class="ident">lane</span>.<span class="ident">dir</span>, <span class="ident">driving_blackhole</span>: <span class="bool-val">false</span>, <span class="ident">biking_blackhole</span>: <span class="bool-val">false</span>, }); } } <span class="doccomment">/// Returns all lanes located between l1 and l2, exclusive.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_lanes_between</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">l1</span>: <span class="ident">LaneID</span>, <span class="ident">l2</span>: <span class="ident">LaneID</span>) -> <span class="ident">Vec</span><span class="op"><</span><span class="ident">LaneID</span><span class="op">></span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">results</span> <span class="op">=</span> <span class="ident">Vec::new</span>(); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">found_start</span> <span class="op">=</span> <span class="bool-val">false</span>; <span class="kw">for</span> <span class="ident">l</span> <span class="kw">in</span> <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">lanes</span> { <span class="kw">if</span> <span class="ident">found_start</span> { <span class="kw">if</span> <span class="ident">l</span>.<span class="ident">id</span> <span class="op">==</span> <span class="ident">l1</span> <span class="op">|</span><span class="op">|</span> <span class="ident">l</span>.<span class="ident">id</span> <span class="op">==</span> <span class="ident">l2</span> { <span class="kw">return</span> <span class="ident">results</span>; } <span class="ident">results</span>.<span class="ident">push</span>(<span class="ident">l</span>.<span class="ident">id</span>); } <span class="kw">else</span> <span class="kw">if</span> <span class="ident">l</span>.<span class="ident">id</span> <span class="op">==</span> <span class="ident">l1</span> <span class="op">|</span><span class="op">|</span> <span class="ident">l</span>.<span class="ident">id</span> <span class="op">==</span> <span class="ident">l2</span> { <span class="ident">found_start</span> <span class="op">=</span> <span class="bool-val">true</span>; } } <span class="macro">panic!</span>(<span class="string">"{} doesn't contain both {} and {}"</span>, <span class="self">self</span>.<span class="ident">id</span>, <span class="ident">l1</span>, <span class="ident">l2</span>); } <span class="doccomment">/// A simple classification of if the directed road is stressful or not for cycling. Arterial</span> <span class="doccomment">/// roads without a bike lane match this. Why arterial, instead of looking at speed limits?</span> <span class="doccomment">/// Even on arterial roads with official speed limits lowered, in practice vehicles still</span> <span class="doccomment">/// travel at the speed suggested by the design of the road.</span> <span class="comment">// TODO Should elevation matter or not? Flat high-speed roads are still terrifying, but there's</span> <span class="comment">// something about slogging up (or flying down!) a pothole-filled road inches from cars.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">high_stress_for_bikes</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="ident">dir</span>: <span class="ident">Direction</span>) -> <span class="ident">bool</span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">bike_lanes</span> <span class="op">=</span> <span class="bool-val">false</span>; <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">can_use</span> <span class="op">=</span> <span class="bool-val">false</span>; <span class="comment">// Can a bike even use it, or is it a highway?</span> <span class="kw">for</span> <span class="ident">l</span> <span class="kw">in</span> <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">lanes</span> { <span class="kw">if</span> <span class="ident">l</span>.<span class="ident">lane_type</span> <span class="op">==</span> <span class="ident">LaneType::Biking</span> <span class="op">&&</span> <span class="ident">l</span>.<span class="ident">dir</span> <span class="op">==</span> <span class="ident">dir</span> { <span class="ident">bike_lanes</span> <span class="op">=</span> <span class="bool-val">true</span>; } <span class="kw">if</span> <span class="ident">PathConstraints::Bike</span>.<span class="ident">can_use</span>(<span class="ident">l</span>, <span class="ident">map</span>) { <span class="ident">can_use</span> <span class="op">=</span> <span class="bool-val">true</span>; } } <span class="kw">if</span> <span class="op">!</span><span class="ident">can_use</span> <span class="op">|</span><span class="op">|</span> <span class="ident">bike_lanes</span> { <span class="kw">return</span> <span class="bool-val">false</span>; } <span class="self">self</span>.<span class="ident">get_rank</span>() <span class="op">!</span><span class="op">=</span> <span class="ident">osm::RoadRank::Local</span> } } <span class="comment">// TODO All of this is kind of deprecated? Some callers seem to really need to still handle lanes</span> <span class="comment">// going outward from the "center" line. Should keep whittling this down, probably. These very much</span> <span class="comment">// don't handle multiple direction changes.</span> <span class="kw">impl</span> <span class="ident">Road</span> { <span class="doccomment">/// These are ordered from closest to center lane (left-most when driving on the right) to</span> <span class="doccomment">/// farthest (sidewalk)</span> <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">children_forwards</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">Vec</span><span class="op"><</span>(<span class="ident">LaneID</span>, <span class="ident">LaneType</span>)<span class="op">></span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">result</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="self">self</span>.<span class="ident">lanes</span> { <span class="kw">if</span> <span class="ident">l</span>.<span class="ident">dir</span> <span class="op">==</span> <span class="ident">Direction::Fwd</span> { <span class="ident">result</span>.<span class="ident">push</span>((<span class="ident">l</span>.<span class="ident">id</span>, <span class="ident">l</span>.<span class="ident">lane_type</span>)); } } <span class="ident">result</span> } <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">children_backwards</span>(<span class="kw-2">&</span><span class="self">self</span>) -> <span class="ident">Vec</span><span class="op"><</span>(<span class="ident">LaneID</span>, <span class="ident">LaneType</span>)<span class="op">></span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">result</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="self">self</span>.<span class="ident">lanes</span> { <span class="kw">if</span> <span class="ident">l</span>.<span class="ident">dir</span> <span class="op">==</span> <span class="ident">Direction::Back</span> { <span class="ident">result</span>.<span class="ident">push</span>((<span class="ident">l</span>.<span class="ident">id</span>, <span class="ident">l</span>.<span class="ident">lane_type</span>)); } } <span class="ident">result</span>.<span class="ident">reverse</span>(); <span class="ident">result</span> } <span class="comment">// TODO Deprecated</span> <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">children</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">dir</span>: <span class="ident">Direction</span>) -> <span class="ident">Vec</span><span class="op"><</span>(<span class="ident">LaneID</span>, <span class="ident">LaneType</span>)<span class="op">></span> { <span class="kw">if</span> <span class="ident">dir</span> <span class="op">==</span> <span class="ident">Direction::Fwd</span> { <span class="self">self</span>.<span class="ident">children_forwards</span>() } <span class="kw">else</span> { <span class="self">self</span>.<span class="ident">children_backwards</span>() } } <span class="doccomment">/// Returns lanes from the "center" going out</span> <span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">fn</span> <span class="ident">incoming_lanes</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">i</span>: <span class="ident">IntersectionID</span>) -> <span class="ident">Vec</span><span class="op"><</span>(<span class="ident">LaneID</span>, <span class="ident">LaneType</span>)<span class="op">></span> { <span class="kw">if</span> <span class="self">self</span>.<span class="ident">src_i</span> <span class="op">==</span> <span class="ident">i</span> { <span class="self">self</span>.<span class="ident">children_backwards</span>() } <span class="kw">else</span> <span class="kw">if</span> <span class="self">self</span>.<span class="ident">dst_i</span> <span class="op">==</span> <span class="ident">i</span> { <span class="self">self</span>.<span class="ident">children_forwards</span>() } <span class="kw">else</span> { <span class="macro">panic!</span>(<span class="string">"{} doesn't have an endpoint at {}"</span>, <span class="self">self</span>.<span class="ident">id</span>, <span class="ident">i</span>); } } } </code></pre></div> </section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="map_model" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.59.0 (9d1b2106e 2022-02-23)" ></div> </body></html>