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IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle">☰</button><a class="sidebar-logo" href="../../../game/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div> </a><h2 class="location"></h2> </nav> <nav class="sidebar"><a class="sidebar-logo" href="../../../game/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div> </a></nav><main><div class="width-limiter"><div class="sub-container"><a class="sub-logo-container" href="../../../game/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><nav class="sub"><div class="theme-picker hidden"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="22" height="22" alt="Pick another theme!" src="../../../brush.svg"></button><div 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id="138">138</span> <span id="139">139</span> <span id="140">140</span> <span id="141">141</span> <span id="142">142</span> <span id="143">143</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">abstutil::Timer</span>; <span class="kw">use</span> <span class="ident">map_model</span>::{<span class="ident">connectivity</span>, <span class="ident">Direction</span>, <span class="ident">DrivingSide</span>, <span class="ident">EditCmd</span>, <span class="ident">Map</span>, <span class="ident">PathConstraints</span>}; <span class="kw">use</span> <span class="ident">widgetry::tools::PopupMsg</span>; <span class="kw">use</span> <span class="ident">widgetry</span>::{<span class="ident">EventCtx</span>, <span class="ident">State</span>}; <span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::app::App</span>; <span class="comment">// Some of these take a candidate EditCmd to do, then see if it's valid. If they return None, it's</span> <span class="comment">// fine. They always leave the map in the original state without the new EditCmd.</span> <span class="comment">// Could be caused by closing intersections</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">check_sidewalk_connectivity</span>( <span class="ident">ctx</span>: <span class="kw-2">&mut</span> <span class="ident">EventCtx</span>, <span class="ident">app</span>: <span class="kw-2">&mut</span> <span class="ident">App</span>, <span class="ident">cmd</span>: <span class="ident">EditCmd</span>, ) -> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Box</span><span class="op"><</span><span class="kw">dyn</span> <span class="ident">State</span><span class="op"><</span><span class="ident">App</span><span class="op">></span><span class="op">></span><span class="op">></span> { <span class="kw">let</span> <span class="ident">orig_edits</span> <span class="op">=</span> <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>.<span class="ident">get_edits</span>().<span class="ident">clone</span>(); <span class="kw">let</span> (<span class="kw">_</span>, <span class="ident">disconnected_before</span>) <span class="op">=</span> <span class="ident">connectivity::find_scc</span>(<span class="kw-2">&</span><span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>, <span class="ident">PathConstraints::Pedestrian</span>); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">edits</span> <span class="op">=</span> <span class="ident">orig_edits</span>.<span class="ident">clone</span>(); <span class="ident">edits</span>.<span class="ident">commands</span>.<span class="ident">push</span>(<span class="ident">cmd</span>); <span class="ident">app</span>.<span class="ident">primary</span> .<span class="ident">map</span> .<span class="ident">try_apply_edits</span>(<span class="ident">edits</span>, <span class="kw-2">&mut</span> <span class="ident">Timer::throwaway</span>()); <span class="kw">let</span> (<span class="kw">_</span>, <span class="ident">disconnected_after</span>) <span class="op">=</span> <span class="ident">connectivity::find_scc</span>(<span class="kw-2">&</span><span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>, <span class="ident">PathConstraints::Pedestrian</span>); <span class="ident">app</span>.<span class="ident">primary</span> .<span class="ident">map</span> .<span class="ident">must_apply_edits</span>(<span class="ident">orig_edits</span>, <span class="kw-2">&mut</span> <span class="ident">Timer::throwaway</span>()); <span class="kw">let</span> <span class="ident">newly_disconnected</span> <span class="op">=</span> <span class="ident">disconnected_after</span> .<span class="ident">difference</span>(<span class="kw-2">&</span><span class="ident">disconnected_before</span>) .<span class="ident">collect</span>::<span class="op"><</span><span class="ident">Vec</span><span class="op"><</span><span class="kw">_</span><span class="op">></span><span class="op">></span>(); <span class="kw">if</span> <span class="ident">newly_disconnected</span>.<span class="ident">is_empty</span>() { <span class="kw">return</span> <span class="prelude-val">None</span>; } <span class="comment">// TODO Think through a proper UI for showing editing errors to the user and letting them</span> <span class="comment">// understand the problem. We used to just draw problems in red and mostly cover it up with the</span> <span class="comment">// popup.</span> <span class="prelude-val">Some</span>(<span class="ident">PopupMsg::new_state</span>( <span class="ident">ctx</span>, <span class="string">"Error"</span>, <span class="macro">vec!</span>[<span class="macro">format!</span>( <span class="string">"Can't close this intersection; {} sidewalks disconnected"</span>, <span class="ident">newly_disconnected</span>.<span class="ident">len</span>() )], )) } <span class="attribute">#[<span class="ident">allow</span>(<span class="ident">unused</span>)]</span> <span class="comment">// Could be caused by closing intersections, changing lane types, or reversing lanes</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">check_blackholes</span>( <span class="ident">ctx</span>: <span class="kw-2">&mut</span> <span class="ident">EventCtx</span>, <span class="ident">app</span>: <span class="kw-2">&mut</span> <span class="ident">App</span>, <span class="ident">cmd</span>: <span class="ident">EditCmd</span>, ) -> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Box</span><span class="op"><</span><span class="kw">dyn</span> <span class="ident">State</span><span class="op"><</span><span class="ident">App</span><span class="op">></span><span class="op">></span><span class="op">></span> { <span class="kw">let</span> <span class="ident">orig_edits</span> <span class="op">=</span> <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>.<span class="ident">get_edits</span>().<span class="ident">clone</span>(); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">driving_ok_originally</span> <span class="op">=</span> <span class="ident">BTreeSet::new</span>(); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">biking_ok_originally</span> <span class="op">=</span> <span class="ident">BTreeSet::new</span>(); <span class="kw">for</span> <span class="ident">l</span> <span class="kw">in</span> <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>.<span class="ident">all_lanes</span>() { <span class="kw">if</span> <span class="op">!</span><span class="ident">l</span>.<span class="ident">driving_blackhole</span> { <span class="ident">driving_ok_originally</span>.<span class="ident">insert</span>(<span class="ident">l</span>.<span class="ident">id</span>); } <span class="kw">if</span> <span class="op">!</span><span class="ident">l</span>.<span class="ident">biking_blackhole</span> { <span class="ident">biking_ok_originally</span>.<span class="ident">insert</span>(<span class="ident">l</span>.<span class="ident">id</span>); } } <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">edits</span> <span class="op">=</span> <span class="ident">orig_edits</span>.<span class="ident">clone</span>(); <span class="ident">edits</span>.<span class="ident">commands</span>.<span class="ident">push</span>(<span class="ident">cmd</span>); <span class="ident">app</span>.<span class="ident">primary</span> .<span class="ident">map</span> .<span class="ident">try_apply_edits</span>(<span class="ident">edits</span>, <span class="kw-2">&mut</span> <span class="ident">Timer::throwaway</span>()); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">newly_disconnected</span> <span class="op">=</span> <span class="ident">BTreeSet::new</span>(); <span class="kw">for</span> <span class="ident">l</span> <span class="kw">in</span> <span class="ident">connectivity::find_scc</span>(<span class="kw-2">&</span><span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>, <span class="ident">PathConstraints::Car</span>).<span class="number">1</span> { <span class="kw">if</span> <span class="ident">driving_ok_originally</span>.<span class="ident">contains</span>(<span class="kw-2">&</span><span class="ident">l</span>) { <span class="ident">newly_disconnected</span>.<span class="ident">insert</span>(<span class="ident">l</span>); } } <span class="kw">for</span> <span class="ident">l</span> <span class="kw">in</span> <span class="ident">connectivity::find_scc</span>(<span class="kw-2">&</span><span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>, <span class="ident">PathConstraints::Bike</span>).<span class="number">1</span> { <span class="kw">if</span> <span class="ident">biking_ok_originally</span>.<span class="ident">contains</span>(<span class="kw-2">&</span><span class="ident">l</span>) { <span class="ident">newly_disconnected</span>.<span class="ident">insert</span>(<span class="ident">l</span>); } } <span class="ident">app</span>.<span class="ident">primary</span> .<span class="ident">map</span> .<span class="ident">must_apply_edits</span>(<span class="ident">orig_edits</span>, <span class="kw-2">&mut</span> <span class="ident">Timer::throwaway</span>()); <span class="kw">if</span> <span class="ident">newly_disconnected</span>.<span class="ident">is_empty</span>() { <span class="kw">return</span> <span class="prelude-val">None</span>; } <span class="prelude-val">Some</span>(<span class="ident">PopupMsg::new_state</span>( <span class="ident">ctx</span>, <span class="string">"Error"</span>, <span class="macro">vec!</span>[<span class="macro">format!</span>( <span class="string">"{} lanes have been disconnected"</span>, <span class="ident">newly_disconnected</span>.<span class="ident">len</span>() )], )) } <span class="doccomment">/// Looks at all changed roads and makes sure sidewalk directions are correct -- this is easy for</span> <span class="doccomment">/// the user to mix up. Returns a list of new fixes to apply on top of the original edits.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">fix_sidewalk_direction</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">EditCmd</span><span class="op">></span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">fixes</span> <span class="op">=</span> <span class="ident">Vec::new</span>(); <span class="kw">for</span> <span class="ident">cmd</span> <span class="kw">in</span> <span class="kw-2">&</span><span class="ident">map</span>.<span class="ident">get_edits</span>().<span class="ident">commands</span> { <span class="kw">if</span> <span class="kw">let</span> <span class="ident">EditCmd::ChangeRoad</span> { <span class="ident">r</span>, <span class="ident">new</span>, .. } <span class="op">=</span> <span class="ident">cmd</span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">fixed</span> <span class="op">=</span> <span class="ident">new</span>.<span class="ident">clone</span>(); <span class="kw">if</span> <span class="ident">fixed</span>.<span class="ident">lanes_ltr</span>[<span class="number">0</span>].<span class="ident">lt</span>.<span class="ident">is_walkable</span>() { <span class="ident">fixed</span>.<span class="ident">lanes_ltr</span>[<span class="number">0</span>].<span class="ident">dir</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="ident">Direction::Back</span> } <span class="kw">else</span> { <span class="ident">Direction::Fwd</span> }; } <span class="kw">if</span> <span class="ident">fixed</span>.<span class="ident">lanes_ltr</span>.<span class="ident">len</span>() <span class="op">></span> <span class="number">1</span> { <span class="kw">let</span> <span class="ident">last</span> <span class="op">=</span> <span class="ident">fixed</span>.<span class="ident">lanes_ltr</span>.<span class="ident">last_mut</span>().<span class="ident">unwrap</span>(); <span class="kw">if</span> <span class="ident">last</span>.<span class="ident">lt</span>.<span class="ident">is_walkable</span>() { <span class="ident">last</span>.<span class="ident">dir</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="ident">Direction::Fwd</span> } <span class="kw">else</span> { <span class="ident">Direction::Back</span> }; } } <span class="kw">if</span> <span class="kw-2">&</span><span class="ident">fixed</span> <span class="op">!</span><span class="op">=</span> <span class="ident">new</span> { <span class="ident">fixes</span>.<span class="ident">push</span>(<span class="ident">EditCmd::ChangeRoad</span> { <span class="ident">r</span>: <span class="kw-2">*</span><span class="ident">r</span>, <span class="ident">old</span>: <span class="ident">new</span>.<span class="ident">clone</span>(), <span class="ident">new</span>: <span class="ident">fixed</span>, }); } } } <span class="ident">fixes</span> } </code></pre></div> </section><section id="search" class="content hidden"></section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="game" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.61.0 (fe5b13d68 2022-05-18)" ></div> </body></html>