<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `game/src/edit/validate.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>validate.rs - source</title><link rel="stylesheet" type="text/css" href="../../../normalize.css"><link rel="stylesheet" type="text/css" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../../ayu.css" disabled ><script id="default-settings"></script><script src="../../../storage.js"></script><script src="../../../crates.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"> 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<span id="103">103</span> <span id="104">104</span> <span id="105">105</span> <span id="106">106</span> <span id="107">107</span> <span id="108">108</span> <span id="109">109</span> <span id="110">110</span> </pre><div class="example-wrap"><pre class="rust "> <span class="kw">use</span> <span class="ident">std::collections::BTreeSet</span>; <span class="kw">use</span> <span class="ident">map_gui::tools</span>::{<span class="ident">ColorDiscrete</span>, <span class="ident">PopupMsg</span>}; <span class="kw">use</span> <span class="ident">map_model</span>::{<span class="ident">connectivity</span>, <span class="ident">EditCmd</span>, <span class="ident">PathConstraints</span>}; <span class="kw">use</span> <span class="ident">widgetry</span>::{<span class="ident">Color</span>, <span class="ident">EventCtx</span>, <span class="ident">State</span>}; <span class="kw">use</span> <span class="kw">crate</span><span class="ident">::app::App</span>; <span class="comment">// All 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">&</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>, <span class="ident">app</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">App</span>, <span class="ident">cmd</span>: <span class="ident">EditCmd</span>, ) <span class="op">-</span><span class="op">></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">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">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="kw">let</span> <span class="kw-2">mut</span> <span class="ident">c</span> <span class="op">=</span> <span class="ident">ColorDiscrete::new</span>(<span class="ident">app</span>, <span class="macro">vec!</span>[(<span class="string">"disconnected"</span>, <span class="ident">Color::RED</span>)]); <span class="kw">let</span> <span class="ident">num</span> <span class="op">=</span> <span class="ident">newly_disconnected</span>.<span class="ident">len</span>(); <span class="kw">for</span> <span class="ident">l</span> <span class="kw">in</span> <span class="ident">newly_disconnected</span> { <span class="ident">c</span>.<span class="ident">add_l</span>(<span class="kw-2">*</span><span class="ident">l</span>, <span class="string">"disconnected"</span>); } <span class="kw">let</span> (<span class="ident">unzoomed</span>, <span class="ident">zoomed</span>, <span class="kw">_</span>) <span class="op">=</span> <span class="ident">c</span>.<span class="ident">build</span>(<span class="ident">ctx</span>); <span class="prelude-val">Some</span>(<span class="ident">PopupMsg::also_draw</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">num</span> )], <span class="ident">unzoomed</span>, <span class="ident">zoomed</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">&</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>, <span class="ident">app</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">App</span>, <span class="ident">cmd</span>: <span class="ident">EditCmd</span>, ) <span class="op">-</span><span class="op">></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="ident">values</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">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">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="kw">let</span> <span class="kw-2">mut</span> <span class="ident">c</span> <span class="op">=</span> <span class="ident">ColorDiscrete::new</span>(<span class="ident">app</span>, <span class="macro">vec!</span>[(<span class="string">"disconnected"</span>, <span class="ident">Color::RED</span>)]); <span class="kw">let</span> <span class="ident">num</span> <span class="op">=</span> <span class="ident">newly_disconnected</span>.<span class="ident">len</span>(); <span class="kw">for</span> <span class="ident">l</span> <span class="kw">in</span> <span class="ident">newly_disconnected</span> { <span class="ident">c</span>.<span class="ident">add_l</span>(<span class="ident">l</span>, <span class="string">"disconnected"</span>); } <span class="kw">let</span> (<span class="ident">unzoomed</span>, <span class="ident">zoomed</span>, <span class="kw">_</span>) <span class="op">=</span> <span class="ident">c</span>.<span class="ident">build</span>(<span class="ident">ctx</span>); <span class="prelude-val">Some</span>(<span class="ident">PopupMsg::also_draw</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">num</span>)], <span class="ident">unzoomed</span>, <span class="ident">zoomed</span>, )) } </pre></div> </section><section id="search" class="content hidden"></section><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="game" data-search-index-js="../../../search-index.js" data-search-js="../../../search.js"></div> <script src="../../../main.js"></script><script src="../../../source-script.js"></script><script src="../../../source-files.js"></script></body></html>