<!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 to the Rust file `game/src/sandbox/gameplay/play_scenario.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>play_scenario.rs.html -- 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="../../../../dark.css"><link rel="stylesheet" type="text/css" href="../../../../light.css" id="themeStyle"><script src="../../../../storage.js"></script><noscript><link rel="stylesheet" href="../../../../noscript.css"></noscript><link rel="shortcut icon" href="../../../../favicon.ico"><style type="text/css">#crate-search{background-image:url("../../../../down-arrow.svg");}</style></head><body class="rustdoc source"><!--[if lte IE 8]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu">&#9776;</div><a href='../../../../game/index.html'><div class='logo-container'><img src='../../../../rust-logo.png' alt='logo'></div></a></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!"><img src="../../../../brush.svg" width="18" alt="Pick another theme!"></button><div id="theme-choices"></div></div><script src="../../../../theme.js"></script><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><a id="settings-menu" href="../../../../settings.html"><img src="../../../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><pre class="line-numbers"><span id="1">  1</span>
<span id="2">  2</span>
<span id="3">  3</span>
<span id="4">  4</span>
<span id="5">  5</span>
<span id="6">  6</span>
<span id="7">  7</span>
<span id="8">  8</span>
<span id="9">  9</span>
<span id="10"> 10</span>
<span id="11"> 11</span>
<span id="12"> 12</span>
<span id="13"> 13</span>
<span id="14"> 14</span>
<span id="15"> 15</span>
<span id="16"> 16</span>
<span id="17"> 17</span>
<span id="18"> 18</span>
<span id="19"> 19</span>
<span id="20"> 20</span>
<span id="21"> 21</span>
<span id="22"> 22</span>
<span id="23"> 23</span>
<span id="24"> 24</span>
<span id="25"> 25</span>
<span id="26"> 26</span>
<span id="27"> 27</span>
<span id="28"> 28</span>
<span id="29"> 29</span>
<span id="30"> 30</span>
<span id="31"> 31</span>
<span id="32"> 32</span>
<span id="33"> 33</span>
<span id="34"> 34</span>
<span id="35"> 35</span>
<span id="36"> 36</span>
<span id="37"> 37</span>
<span id="38"> 38</span>
<span id="39"> 39</span>
<span id="40"> 40</span>
<span id="41"> 41</span>
<span id="42"> 42</span>
<span id="43"> 43</span>
<span id="44"> 44</span>
<span id="45"> 45</span>
<span id="46"> 46</span>
<span id="47"> 47</span>
<span id="48"> 48</span>
<span id="49"> 49</span>
<span id="50"> 50</span>
<span id="51"> 51</span>
<span id="52"> 52</span>
<span id="53"> 53</span>
<span id="54"> 54</span>
<span id="55"> 55</span>
<span id="56"> 56</span>
<span id="57"> 57</span>
<span id="58"> 58</span>
<span id="59"> 59</span>
<span id="60"> 60</span>
<span id="61"> 61</span>
<span id="62"> 62</span>
<span id="63"> 63</span>
<span id="64"> 64</span>
<span id="65"> 65</span>
<span id="66"> 66</span>
<span id="67"> 67</span>
<span id="68"> 68</span>
<span id="69"> 69</span>
<span id="70"> 70</span>
<span id="71"> 71</span>
<span id="72"> 72</span>
<span id="73"> 73</span>
<span id="74"> 74</span>
<span id="75"> 75</span>
<span id="76"> 76</span>
<span id="77"> 77</span>
<span id="78"> 78</span>
<span id="79"> 79</span>
<span id="80"> 80</span>
<span id="81"> 81</span>
<span id="82"> 82</span>
<span id="83"> 83</span>
<span id="84"> 84</span>
<span id="85"> 85</span>
<span id="86"> 86</span>
<span id="87"> 87</span>
<span id="88"> 88</span>
<span id="89"> 89</span>
<span id="90"> 90</span>
<span id="91"> 91</span>
<span id="92"> 92</span>
<span id="93"> 93</span>
<span id="94"> 94</span>
<span id="95"> 95</span>
<span id="96"> 96</span>
<span id="97"> 97</span>
<span id="98"> 98</span>
<span id="99"> 99</span>
<span id="100">100</span>
<span id="101">101</span>
<span id="102">102</span>
<span id="103">103</span>
<span id="104">104</span>
<span id="105">105</span>
<span id="106">106</span>
<span id="107">107</span>
<span id="108">108</span>
<span id="109">109</span>
<span id="110">110</span>
<span id="111">111</span>
<span id="112">112</span>
<span id="113">113</span>
<span id="114">114</span>
<span id="115">115</span>
<span id="116">116</span>
<span id="117">117</span>
<span id="118">118</span>
<span id="119">119</span>
<span id="120">120</span>
<span id="121">121</span>
<span id="122">122</span>
<span id="123">123</span>
<span id="124">124</span>
<span id="125">125</span>
<span id="126">126</span>
<span id="127">127</span>
<span id="128">128</span>
<span id="129">129</span>
<span id="130">130</span>
<span id="131">131</span>
<span id="132">132</span>
<span id="133">133</span>
<span id="134">134</span>
<span id="135">135</span>
<span id="136">136</span>
<span id="137">137</span>
<span 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>
<span id="144">144</span>
<span id="145">145</span>
<span id="146">146</span>
<span id="147">147</span>
<span id="148">148</span>
<span id="149">149</span>
<span id="150">150</span>
<span id="151">151</span>
<span id="152">152</span>
<span id="153">153</span>
<span id="154">154</span>
<span id="155">155</span>
<span id="156">156</span>
<span id="157">157</span>
<span id="158">158</span>
<span id="159">159</span>
<span id="160">160</span>
<span id="161">161</span>
<span id="162">162</span>
<span id="163">163</span>
<span id="164">164</span>
<span id="165">165</span>
<span id="166">166</span>
<span id="167">167</span>
<span id="168">168</span>
<span id="169">169</span>
<span id="170">170</span>
<span id="171">171</span>
<span id="172">172</span>
<span id="173">173</span>
<span id="174">174</span>
<span id="175">175</span>
<span id="176">176</span>
<span id="177">177</span>
<span id="178">178</span>
<span id="179">179</span>
<span id="180">180</span>
<span id="181">181</span>
<span id="182">182</span>
<span id="183">183</span>
<span id="184">184</span>
<span id="185">185</span>
<span id="186">186</span>
<span id="187">187</span>
<span id="188">188</span>
<span id="189">189</span>
<span id="190">190</span>
<span id="191">191</span>
<span id="192">192</span>
<span id="193">193</span>
<span id="194">194</span>
<span id="195">195</span>
<span id="196">196</span>
<span id="197">197</span>
<span id="198">198</span>
<span id="199">199</span>
<span id="200">200</span>
<span id="201">201</span>
<span id="202">202</span>
<span id="203">203</span>
<span id="204">204</span>
<span id="205">205</span>
<span id="206">206</span>
<span id="207">207</span>
<span id="208">208</span>
<span id="209">209</span>
<span id="210">210</span>
<span id="211">211</span>
<span id="212">212</span>
<span id="213">213</span>
<span id="214">214</span>
<span id="215">215</span>
<span id="216">216</span>
<span id="217">217</span>
<span id="218">218</span>
<span id="219">219</span>
<span id="220">220</span>
<span id="221">221</span>
<span id="222">222</span>
<span id="223">223</span>
<span id="224">224</span>
<span id="225">225</span>
<span id="226">226</span>
<span id="227">227</span>
<span id="228">228</span>
<span id="229">229</span>
<span id="230">230</span>
<span id="231">231</span>
<span id="232">232</span>
<span id="233">233</span>
<span id="234">234</span>
<span id="235">235</span>
<span id="236">236</span>
<span id="237">237</span>
<span id="238">238</span>
<span id="239">239</span>
<span id="240">240</span>
<span id="241">241</span>
<span id="242">242</span>
<span id="243">243</span>
<span id="244">244</span>
<span id="245">245</span>
<span id="246">246</span>
<span id="247">247</span>
<span id="248">248</span>
<span id="249">249</span>
<span id="250">250</span>
<span id="251">251</span>
<span id="252">252</span>
<span id="253">253</span>
<span id="254">254</span>
<span id="255">255</span>
<span id="256">256</span>
<span id="257">257</span>
<span id="258">258</span>
<span id="259">259</span>
<span id="260">260</span>
<span id="261">261</span>
<span id="262">262</span>
<span id="263">263</span>
<span id="264">264</span>
<span id="265">265</span>
<span id="266">266</span>
<span id="267">267</span>
<span id="268">268</span>
<span id="269">269</span>
<span id="270">270</span>
<span id="271">271</span>
<span id="272">272</span>
<span id="273">273</span>
<span id="274">274</span>
<span id="275">275</span>
<span id="276">276</span>
<span id="277">277</span>
<span id="278">278</span>
<span id="279">279</span>
<span id="280">280</span>
<span id="281">281</span>
<span id="282">282</span>
<span id="283">283</span>
<span id="284">284</span>
<span id="285">285</span>
<span id="286">286</span>
<span id="287">287</span>
<span id="288">288</span>
<span id="289">289</span>
<span id="290">290</span>
<span id="291">291</span>
<span id="292">292</span>
<span id="293">293</span>
<span id="294">294</span>
<span id="295">295</span>
<span id="296">296</span>
<span id="297">297</span>
<span id="298">298</span>
<span id="299">299</span>
<span id="300">300</span>
<span id="301">301</span>
<span id="302">302</span>
<span id="303">303</span>
<span id="304">304</span>
<span id="305">305</span>
<span id="306">306</span>
<span id="307">307</span>
<span id="308">308</span>
<span id="309">309</span>
<span id="310">310</span>
<span id="311">311</span>
<span id="312">312</span>
<span id="313">313</span>
<span id="314">314</span>
<span id="315">315</span>
<span id="316">316</span>
<span id="317">317</span>
<span id="318">318</span>
<span id="319">319</span>
<span id="320">320</span>
<span id="321">321</span>
<span id="322">322</span>
<span id="323">323</span>
<span id="324">324</span>
<span id="325">325</span>
<span id="326">326</span>
<span id="327">327</span>
<span id="328">328</span>
<span id="329">329</span>
<span id="330">330</span>
<span id="331">331</span>
<span id="332">332</span>
<span id="333">333</span>
<span id="334">334</span>
<span id="335">335</span>
<span id="336">336</span>
<span id="337">337</span>
<span id="338">338</span>
<span id="339">339</span>
<span id="340">340</span>
<span id="341">341</span>
<span id="342">342</span>
<span id="343">343</span>
<span id="344">344</span>
<span id="345">345</span>
<span id="346">346</span>
<span id="347">347</span>
<span id="348">348</span>
<span id="349">349</span>
<span id="350">350</span>
<span id="351">351</span>
<span id="352">352</span>
<span id="353">353</span>
<span id="354">354</span>
<span id="355">355</span>
<span id="356">356</span>
<span id="357">357</span>
<span id="358">358</span>
<span id="359">359</span>
<span id="360">360</span>
<span id="361">361</span>
<span id="362">362</span>
<span id="363">363</span>
<span id="364">364</span>
<span id="365">365</span>
<span id="366">366</span>
<span id="367">367</span>
<span id="368">368</span>
<span id="369">369</span>
<span id="370">370</span>
<span id="371">371</span>
<span id="372">372</span>
<span id="373">373</span>
<span id="374">374</span>
<span id="375">375</span>
<span id="376">376</span>
<span id="377">377</span>
<span id="378">378</span>
<span id="379">379</span>
<span id="380">380</span>
<span id="381">381</span>
<span id="382">382</span>
<span id="383">383</span>
<span id="384">384</span>
<span id="385">385</span>
<span id="386">386</span>
<span id="387">387</span>
<span id="388">388</span>
<span id="389">389</span>
<span id="390">390</span>
<span id="391">391</span>
<span id="392">392</span>
<span id="393">393</span>
<span id="394">394</span>
<span id="395">395</span>
<span id="396">396</span>
<span id="397">397</span>
<span id="398">398</span>
<span id="399">399</span>
<span id="400">400</span>
<span id="401">401</span>
<span id="402">402</span>
<span id="403">403</span>
<span id="404">404</span>
<span id="405">405</span>
<span id="406">406</span>
<span id="407">407</span>
<span id="408">408</span>
<span id="409">409</span>
<span id="410">410</span>
<span id="411">411</span>
<span id="412">412</span>
<span id="413">413</span>
<span id="414">414</span>
<span id="415">415</span>
<span id="416">416</span>
<span id="417">417</span>
<span id="418">418</span>
<span id="419">419</span>
<span id="420">420</span>
<span id="421">421</span>
<span id="422">422</span>
<span id="423">423</span>
<span id="424">424</span>
<span id="425">425</span>
<span id="426">426</span>
<span id="427">427</span>
<span id="428">428</span>
<span id="429">429</span>
<span id="430">430</span>
<span id="431">431</span>
<span id="432">432</span>
<span id="433">433</span>
<span id="434">434</span>
<span id="435">435</span>
<span id="436">436</span>
<span id="437">437</span>
<span id="438">438</span>
<span id="439">439</span>
<span id="440">440</span>
<span id="441">441</span>
<span id="442">442</span>
<span id="443">443</span>
<span id="444">444</span>
<span id="445">445</span>
<span id="446">446</span>
</pre><div class="example-wrap"><pre class="rust ">
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">app</span>::<span class="ident">App</span>;
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">common</span>::<span class="ident">CityPicker</span>;
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">edit</span>::<span class="ident">EditMode</span>;
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">game</span>::{<span class="ident">ChooseSomething</span>, <span class="ident">PopupMsg</span>, <span class="ident">State</span>, <span class="ident">Transition</span>};
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">helpers</span>::{<span class="ident">checkbox_per_mode</span>, <span class="ident">nice_map_name</span>};
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">sandbox</span>::<span class="ident">gameplay</span>::<span class="ident">freeform</span>::<span class="ident">make_change_traffic</span>;
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">sandbox</span>::<span class="ident">gameplay</span>::{<span class="ident">GameplayMode</span>, <span class="ident">GameplayState</span>};
<span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">sandbox</span>::{<span class="ident">SandboxControls</span>, <span class="ident">SandboxMode</span>};
<span class="kw">use</span> <span class="ident">ezgui</span>::{
    <span class="ident">hotkey</span>, <span class="ident">lctrl</span>, <span class="ident">AreaSlider</span>, <span class="ident">Btn</span>, <span class="ident">Choice</span>, <span class="ident">Color</span>, <span class="ident">Composite</span>, <span class="ident">EventCtx</span>, <span class="ident">GfxCtx</span>,
    <span class="ident">HorizontalAlignment</span>, <span class="ident">Key</span>, <span class="ident">Line</span>, <span class="ident">Outcome</span>, <span class="ident">Spinner</span>, <span class="ident">Text</span>, <span class="ident">TextExt</span>, <span class="ident">VerticalAlignment</span>, <span class="ident">Widget</span>,
};
<span class="kw">use</span> <span class="ident">maplit</span>::<span class="ident">btreeset</span>;
<span class="kw">use</span> <span class="ident">sim</span>::{<span class="ident">ScenarioModifier</span>, <span class="ident">TripMode</span>};
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">collections</span>::<span class="ident">BTreeSet</span>;

<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">PlayScenario</span> {
    <span class="ident">top_center</span>: <span class="ident">Composite</span>,
    <span class="ident">scenario_name</span>: <span class="ident">String</span>,
    <span class="ident">modifiers</span>: <span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">ScenarioModifier</span><span class="op">&gt;</span>,
}

<span class="kw">impl</span> <span class="ident">PlayScenario</span> {
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(
        <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>,
        <span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">App</span>,
        <span class="ident">name</span>: <span class="kw-2">&amp;</span><span class="ident">String</span>,
        <span class="ident">modifiers</span>: <span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">ScenarioModifier</span><span class="op">&gt;</span>,
    ) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Box</span><span class="op">&lt;</span><span class="kw">dyn</span> <span class="ident">GameplayState</span><span class="op">&gt;</span> {
        <span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">PlayScenario</span> {
            <span class="ident">top_center</span>: <span class="ident">make_top_center</span>(<span class="ident">ctx</span>, <span class="ident">app</span>, <span class="ident">name</span>, <span class="kw-2">&amp;</span><span class="ident">modifiers</span>),
            <span class="ident">scenario_name</span>: <span class="ident">name</span>.<span class="ident">to_string</span>(),
            <span class="ident">modifiers</span>,
        })
    }
}

<span class="kw">impl</span> <span class="ident">GameplayState</span> <span class="kw">for</span> <span class="ident">PlayScenario</span> {
    <span class="kw">fn</span> <span class="ident">event</span>(
        <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="self">self</span>,
        <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>,
        <span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">App</span>,
        <span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">SandboxControls</span>,
    ) <span class="op">-</span><span class="op">&gt;</span> <span class="prelude-ty">Option</span><span class="op">&lt;</span><span class="ident">Transition</span><span class="op">&gt;</span> {
        <span class="comment">// This should really happen in the constructor once, but the old PlayScenario&#39;s</span>
        <span class="comment">// on_destroy can wipe this out.</span>
        <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">has_modified_trips</span> <span class="op">=</span> <span class="op">!</span><span class="self">self</span>.<span class="ident">modifiers</span>.<span class="ident">is_empty</span>();

        <span class="kw">match</span> <span class="self">self</span>.<span class="ident">top_center</span>.<span class="ident">event</span>(<span class="ident">ctx</span>) {
            <span class="ident">Outcome</span>::<span class="ident">Clicked</span>(<span class="ident">x</span>) <span class="op">=</span><span class="op">&gt;</span> <span class="kw">match</span> <span class="ident">x</span>.<span class="ident">as_ref</span>() {
                <span class="string">&quot;change map&quot;</span> <span class="op">=</span><span class="op">&gt;</span> {
                    <span class="kw">let</span> <span class="ident">scenario</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">scenario_name</span>.<span class="ident">clone</span>();
                    <span class="prelude-val">Some</span>(<span class="ident">Transition</span>::<span class="ident">Push</span>(<span class="ident">CityPicker</span>::<span class="ident">new</span>(
                        <span class="ident">ctx</span>,
                        <span class="ident">app</span>,
                        <span class="ident">Box</span>::<span class="ident">new</span>(<span class="kw">move</span> <span class="op">|</span><span class="ident">ctx</span>, <span class="ident">app</span><span class="op">|</span> {
                            <span class="comment">// The map will be switched before this callback happens.</span>
                            <span class="kw">let</span> <span class="ident">path</span> <span class="op">=</span> <span class="ident">abstutil</span>::<span class="ident">path_map</span>(<span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>.<span class="ident">get_name</span>());
                            <span class="comment">// Try to load a scenario with the same name exists</span>
                            <span class="kw">let</span> <span class="ident">mode</span> <span class="op">=</span> <span class="kw">if</span> <span class="ident">abstutil</span>::<span class="ident">file_exists</span>(<span class="ident">abstutil</span>::<span class="ident">path_scenario</span>(
                                <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>.<span class="ident">get_name</span>(),
                                <span class="kw-2">&amp;</span><span class="ident">scenario</span>,
                            )) {
                                <span class="ident">GameplayMode</span>::<span class="ident">PlayScenario</span>(<span class="ident">path</span>, <span class="ident">scenario</span>.<span class="ident">clone</span>(), <span class="ident">Vec</span>::<span class="ident">new</span>())
                            } <span class="kw">else</span> {
                                <span class="ident">GameplayMode</span>::<span class="ident">Freeform</span>(<span class="ident">path</span>)
                            };
                            <span class="ident">Transition</span>::<span class="ident">Multi</span>(<span class="macro">vec</span><span class="macro">!</span>[
                                <span class="ident">Transition</span>::<span class="ident">Pop</span>,
                                <span class="ident">Transition</span>::<span class="ident">Replace</span>(<span class="ident">SandboxMode</span>::<span class="ident">new</span>(<span class="ident">ctx</span>, <span class="ident">app</span>, <span class="ident">mode</span>)),
                            ])
                        }),
                    )))
                }
                <span class="string">&quot;change traffic&quot;</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="ident">Transition</span>::<span class="ident">Push</span>(<span class="ident">make_change_traffic</span>(
                    <span class="ident">ctx</span>,
                    <span class="ident">app</span>,
                    <span class="self">self</span>.<span class="ident">top_center</span>.<span class="ident">rect_of</span>(<span class="string">&quot;change traffic&quot;</span>).<span class="ident">clone</span>(),
                    <span class="self">self</span>.<span class="ident">scenario_name</span>.<span class="ident">clone</span>(),
                ))),
                <span class="string">&quot;edit map&quot;</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="ident">Transition</span>::<span class="ident">Push</span>(<span class="ident">EditMode</span>::<span class="ident">new</span>(
                    <span class="ident">ctx</span>,
                    <span class="ident">app</span>,
                    <span class="ident">GameplayMode</span>::<span class="ident">PlayScenario</span>(
                        <span class="ident">abstutil</span>::<span class="ident">path_map</span>(<span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>.<span class="ident">get_name</span>()),
                        <span class="self">self</span>.<span class="ident">scenario_name</span>.<span class="ident">clone</span>(),
                        <span class="self">self</span>.<span class="ident">modifiers</span>.<span class="ident">clone</span>(),
                    ),
                ))),
                <span class="string">&quot;edit traffic patterns&quot;</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Some</span>(<span class="ident">Transition</span>::<span class="ident">Push</span>(<span class="ident">EditScenarioModifiers</span>::<span class="ident">new</span>(
                    <span class="ident">ctx</span>,
                    <span class="self">self</span>.<span class="ident">scenario_name</span>.<span class="ident">clone</span>(),
                    <span class="self">self</span>.<span class="ident">modifiers</span>.<span class="ident">clone</span>(),
                ))),
                <span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> <span class="macro">unreachable</span><span class="macro">!</span>(),
            },
            <span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">None</span>,
        }
    }

    <span class="kw">fn</span> <span class="ident">draw</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, <span class="ident">g</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">GfxCtx</span>, <span class="kw">_</span>: <span class="kw-2">&amp;</span><span class="ident">App</span>) {
        <span class="self">self</span>.<span class="ident">top_center</span>.<span class="ident">draw</span>(<span class="ident">g</span>);
    }

    <span class="kw">fn</span> <span class="ident">on_destroy</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, <span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">App</span>) {
        <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">has_modified_trips</span> <span class="op">=</span> <span class="bool-val">false</span>;
    }
}

<span class="kw">fn</span> <span class="ident">make_top_center</span>(
    <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>,
    <span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="ident">App</span>,
    <span class="ident">scenario_name</span>: <span class="kw-2">&amp;</span><span class="ident">str</span>,
    <span class="ident">modifiers</span>: <span class="kw-2">&amp;</span><span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">ScenarioModifier</span><span class="op">&gt;</span>,
) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Composite</span> {
    <span class="kw">let</span> <span class="ident">rows</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[
        <span class="ident">Widget</span>::<span class="ident">row</span>(<span class="macro">vec</span><span class="macro">!</span>[
            <span class="ident">Line</span>(<span class="string">&quot;Sandbox&quot;</span>).<span class="ident">small_heading</span>().<span class="ident">draw</span>(<span class="ident">ctx</span>),
            <span class="ident">Widget</span>::<span class="ident">vert_separator</span>(<span class="ident">ctx</span>, <span class="number">50.0</span>),
            <span class="string">&quot;Map:&quot;</span>.<span class="ident">draw_text</span>(<span class="ident">ctx</span>),
            <span class="ident">Btn</span>::<span class="ident">text_fg</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">&quot;{} ↓&quot;</span>, <span class="ident">nice_map_name</span>(<span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>.<span class="ident">get_name</span>()))).<span class="ident">build</span>(
                <span class="ident">ctx</span>,
                <span class="string">&quot;change map&quot;</span>,
                <span class="ident">lctrl</span>(<span class="ident">Key</span>::<span class="ident">L</span>),
            ),
            <span class="string">&quot;Traffic:&quot;</span>.<span class="ident">draw_text</span>(<span class="ident">ctx</span>),
            <span class="ident">Btn</span>::<span class="ident">text_fg</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">&quot;{} ↓&quot;</span>, <span class="ident">scenario_name</span>)).<span class="ident">build</span>(
                <span class="ident">ctx</span>,
                <span class="string">&quot;change traffic&quot;</span>,
                <span class="ident">hotkey</span>(<span class="ident">Key</span>::<span class="ident">S</span>),
            ),
            <span class="ident">Btn</span>::<span class="ident">svg_def</span>(<span class="string">&quot;system/assets/tools/edit_map.svg&quot;</span>).<span class="ident">build</span>(<span class="ident">ctx</span>, <span class="string">&quot;edit map&quot;</span>, <span class="ident">lctrl</span>(<span class="ident">Key</span>::<span class="ident">E</span>)),
        ])
        .<span class="ident">centered</span>(),
        <span class="kw">if</span> <span class="ident">scenario_name</span> <span class="op">=</span><span class="op">=</span> <span class="string">&quot;weekday&quot;</span> {
            <span class="ident">Widget</span>::<span class="ident">row</span>(<span class="macro">vec</span><span class="macro">!</span>[
                <span class="ident">Btn</span>::<span class="ident">svg_def</span>(<span class="string">&quot;system/assets/tools/pencil.svg&quot;</span>).<span class="ident">build</span>(
                    <span class="ident">ctx</span>,
                    <span class="string">&quot;edit traffic patterns&quot;</span>,
                    <span class="prelude-val">None</span>,
                ),
                <span class="macro">format</span><span class="macro">!</span>(<span class="string">&quot;{} modifications to traffic patterns&quot;</span>, <span class="ident">modifiers</span>.<span class="ident">len</span>()).<span class="ident">draw_text</span>(<span class="ident">ctx</span>),
            ])
            .<span class="ident">centered_horiz</span>()
        } <span class="kw">else</span> {
            <span class="ident">Widget</span>::<span class="ident">nothing</span>()
        },
    ];

    <span class="ident">Composite</span>::<span class="ident">new</span>(<span class="ident">Widget</span>::<span class="ident">col</span>(<span class="ident">rows</span>))
        .<span class="ident">aligned</span>(<span class="ident">HorizontalAlignment</span>::<span class="ident">Center</span>, <span class="ident">VerticalAlignment</span>::<span class="ident">Top</span>)
        .<span class="ident">build</span>(<span class="ident">ctx</span>)
}

<span class="kw">struct</span> <span class="ident">EditScenarioModifiers</span> {
    <span class="ident">scenario_name</span>: <span class="ident">String</span>,
    <span class="ident">modifiers</span>: <span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">ScenarioModifier</span><span class="op">&gt;</span>,
    <span class="ident">composite</span>: <span class="ident">Composite</span>,
}

<span class="kw">impl</span> <span class="ident">EditScenarioModifiers</span> {
    <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>(
        <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>,
        <span class="ident">scenario_name</span>: <span class="ident">String</span>,
        <span class="ident">modifiers</span>: <span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">ScenarioModifier</span><span class="op">&gt;</span>,
    ) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Box</span><span class="op">&lt;</span><span class="kw">dyn</span> <span class="ident">State</span><span class="op">&gt;</span> {
        <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">rows</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[
            <span class="ident">Line</span>(<span class="string">&quot;Modify traffic patterns&quot;</span>).<span class="ident">small_heading</span>().<span class="ident">draw</span>(<span class="ident">ctx</span>),
            <span class="ident">Text</span>::<span class="ident">from_multiline</span>(<span class="macro">vec</span><span class="macro">!</span>[
                <span class="ident">Line</span>(
                    <span class="string">&quot;Data for all of the people in this simulation comes from PSRC&#39;s 2014 \
                     Soundcast model. The exact trips everybody takes, when they leave, where \
                     they go, and how they choose to get there are fixed.&quot;</span>,
                ),
                <span class="ident">Line</span>(<span class="string">&quot;&quot;</span>),
                <span class="ident">Line</span>(<span class="string">&quot;You can modify those patterns here. The modifications apply in order.&quot;</span>),
            ])
            .<span class="ident">wrap_to_pct</span>(<span class="ident">ctx</span>, <span class="number">50</span>)
            .<span class="ident">draw</span>(<span class="ident">ctx</span>),
        ];
        <span class="kw">for</span> (<span class="ident">idx</span>, <span class="ident">m</span>) <span class="kw">in</span> <span class="ident">modifiers</span>.<span class="ident">iter</span>().<span class="ident">enumerate</span>() {
            <span class="ident">rows</span>.<span class="ident">push</span>(
                <span class="ident">Widget</span>::<span class="ident">row</span>(<span class="macro">vec</span><span class="macro">!</span>[
                    <span class="ident">m</span>.<span class="ident">describe</span>().<span class="ident">draw_text</span>(<span class="ident">ctx</span>),
                    <span class="ident">Btn</span>::<span class="ident">svg_def</span>(<span class="string">&quot;system/assets/tools/delete.svg&quot;</span>)
                        .<span class="ident">build</span>(<span class="ident">ctx</span>, <span class="macro">format</span><span class="macro">!</span>(<span class="string">&quot;delete modifier {}&quot;</span>, <span class="ident">idx</span> <span class="op">+</span> <span class="number">1</span>), <span class="prelude-val">None</span>)
                        .<span class="ident">align_right</span>(),
                ])
                .<span class="ident">padding</span>(<span class="number">10</span>)
                .<span class="ident">outline</span>(<span class="number">2.0</span>, <span class="ident">Color</span>::<span class="ident">WHITE</span>),
            );
        }
        <span class="ident">rows</span>.<span class="ident">push</span>(
            <span class="ident">Widget</span>::<span class="ident">row</span>(<span class="macro">vec</span><span class="macro">!</span>[
                <span class="ident">Btn</span>::<span class="ident">text_bg2</span>(<span class="string">&quot;Change trip mode&quot;</span>).<span class="ident">build_def</span>(<span class="ident">ctx</span>, <span class="prelude-val">None</span>),
                <span class="ident">Btn</span>::<span class="ident">text_bg2</span>(<span class="string">&quot;Add extra new trips&quot;</span>).<span class="ident">build_def</span>(<span class="ident">ctx</span>, <span class="prelude-val">None</span>),
            ])
            .<span class="ident">centered</span>(),
        );
        <span class="ident">rows</span>.<span class="ident">push</span>(<span class="ident">Widget</span>::<span class="ident">row</span>(<span class="macro">vec</span><span class="macro">!</span>[
            <span class="ident">Spinner</span>::<span class="ident">new</span>(<span class="ident">ctx</span>, (<span class="number">2</span>, <span class="number">14</span>), <span class="number">2</span>).<span class="ident">named</span>(<span class="string">&quot;repeat_days&quot;</span>),
            <span class="ident">Btn</span>::<span class="ident">text_bg2</span>(<span class="string">&quot;Repeat schedule multiple days&quot;</span>).<span class="ident">build_def</span>(<span class="ident">ctx</span>, <span class="prelude-val">None</span>),
        ]));
        <span class="ident">rows</span>.<span class="ident">push</span>(<span class="ident">Widget</span>::<span class="ident">row</span>(<span class="macro">vec</span><span class="macro">!</span>[
            <span class="ident">Spinner</span>::<span class="ident">new</span>(<span class="ident">ctx</span>, (<span class="number">1</span>, <span class="number">100</span>), <span class="number">1</span>).<span class="ident">named</span>(<span class="string">&quot;cancel_pct&quot;</span>),
            <span class="ident">Btn</span>::<span class="ident">text_bg2</span>(<span class="string">&quot;Cancel all trips for some percent of people&quot;</span>).<span class="ident">build_def</span>(<span class="ident">ctx</span>, <span class="prelude-val">None</span>),
        ]));
        <span class="ident">rows</span>.<span class="ident">push</span>(
            <span class="ident">Widget</span>::<span class="ident">row</span>(<span class="macro">vec</span><span class="macro">!</span>[
                <span class="ident">Btn</span>::<span class="ident">text_bg2</span>(<span class="string">&quot;Apply&quot;</span>).<span class="ident">build_def</span>(<span class="ident">ctx</span>, <span class="ident">hotkey</span>(<span class="ident">Key</span>::<span class="ident">Enter</span>)),
                <span class="ident">Btn</span>::<span class="ident">text_bg2</span>(<span class="string">&quot;Discard changes&quot;</span>).<span class="ident">build_def</span>(<span class="ident">ctx</span>, <span class="ident">hotkey</span>(<span class="ident">Key</span>::<span class="ident">Escape</span>)),
            ])
            .<span class="ident">centered</span>(),
        );

        <span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">EditScenarioModifiers</span> {
            <span class="ident">scenario_name</span>,
            <span class="ident">modifiers</span>,
            <span class="ident">composite</span>: <span class="ident">Composite</span>::<span class="ident">new</span>(<span class="ident">Widget</span>::<span class="ident">col</span>(<span class="ident">rows</span>))
                .<span class="ident">exact_size_percent</span>(<span class="number">80</span>, <span class="number">80</span>)
                .<span class="ident">build</span>(<span class="ident">ctx</span>),
        })
    }
}

<span class="kw">impl</span> <span class="ident">State</span> <span class="kw">for</span> <span class="ident">EditScenarioModifiers</span> {
    <span class="kw">fn</span> <span class="ident">event</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>, <span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">App</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Transition</span> {
        <span class="kw">match</span> <span class="self">self</span>.<span class="ident">composite</span>.<span class="ident">event</span>(<span class="ident">ctx</span>) {
            <span class="ident">Outcome</span>::<span class="ident">Clicked</span>(<span class="ident">x</span>) <span class="op">=</span><span class="op">&gt;</span> <span class="kw">match</span> <span class="ident">x</span>.<span class="ident">as_ref</span>() {
                <span class="string">&quot;Discard changes&quot;</span> <span class="op">=</span><span class="op">&gt;</span> {
                    <span class="kw">return</span> <span class="ident">Transition</span>::<span class="ident">Pop</span>;
                }
                <span class="string">&quot;Apply&quot;</span> <span class="op">=</span><span class="op">&gt;</span> {
                    <span class="kw">return</span> <span class="ident">Transition</span>::<span class="ident">Multi</span>(<span class="macro">vec</span><span class="macro">!</span>[
                        <span class="ident">Transition</span>::<span class="ident">Pop</span>,
                        <span class="ident">Transition</span>::<span class="ident">Replace</span>(<span class="ident">SandboxMode</span>::<span class="ident">new</span>(
                            <span class="ident">ctx</span>,
                            <span class="ident">app</span>,
                            <span class="ident">GameplayMode</span>::<span class="ident">PlayScenario</span>(
                                <span class="ident">abstutil</span>::<span class="ident">path_map</span>(<span class="kw-2">&amp;</span><span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>.<span class="ident">get_name</span>()),
                                <span class="self">self</span>.<span class="ident">scenario_name</span>.<span class="ident">clone</span>(),
                                <span class="self">self</span>.<span class="ident">modifiers</span>.<span class="ident">clone</span>(),
                            ),
                        )),
                    ]);
                }
                <span class="string">&quot;Change trip mode&quot;</span> <span class="op">=</span><span class="op">&gt;</span> {
                    <span class="kw">return</span> <span class="ident">Transition</span>::<span class="ident">Push</span>(<span class="ident">ChangeMode</span>::<span class="ident">new</span>(
                        <span class="ident">ctx</span>,
                        <span class="ident">app</span>,
                        <span class="self">self</span>.<span class="ident">scenario_name</span>.<span class="ident">clone</span>(),
                        <span class="self">self</span>.<span class="ident">modifiers</span>.<span class="ident">clone</span>(),
                    ));
                }
                <span class="string">&quot;Add extra new trips&quot;</span> <span class="op">=</span><span class="op">&gt;</span> {
                    <span class="kw">return</span> <span class="ident">Transition</span>::<span class="ident">Push</span>(<span class="ident">ChooseSomething</span>::<span class="ident">new</span>(
                        <span class="ident">ctx</span>,
                        <span class="string">&quot;Which trips do you want to add in?&quot;</span>,
                        <span class="comment">// TODO Exclude weekday?</span>
                        <span class="ident">Choice</span>::<span class="ident">strings</span>(<span class="ident">abstutil</span>::<span class="ident">list_all_objects</span>(<span class="ident">abstutil</span>::<span class="ident">path_all_scenarios</span>(
                            <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">map</span>.<span class="ident">get_name</span>(),
                        ))),
                        <span class="ident">Box</span>::<span class="ident">new</span>(<span class="op">|</span><span class="ident">name</span>, <span class="kw">_</span>, <span class="kw">_</span><span class="op">|</span> {
                            <span class="ident">Transition</span>::<span class="ident">Multi</span>(<span class="macro">vec</span><span class="macro">!</span>[
                                <span class="ident">Transition</span>::<span class="ident">Pop</span>,
                                <span class="ident">Transition</span>::<span class="ident">ReplaceWithData</span>(<span class="ident">Box</span>::<span class="ident">new</span>(<span class="op">|</span><span class="ident">state</span>, <span class="ident">ctx</span>, <span class="kw">_</span><span class="op">|</span> {
                                    <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">state</span> <span class="op">=</span>
                                        <span class="ident">state</span>.<span class="ident">downcast</span>::<span class="op">&lt;</span><span class="ident">EditScenarioModifiers</span><span class="op">&gt;</span>().<span class="ident">ok</span>().<span class="ident">unwrap</span>();
                                    <span class="ident">state</span>.<span class="ident">modifiers</span>.<span class="ident">push</span>(<span class="ident">ScenarioModifier</span>::<span class="ident">AddExtraTrips</span>(<span class="ident">name</span>));
                                    <span class="macro">vec</span><span class="macro">!</span>[<span class="ident">EditScenarioModifiers</span>::<span class="ident">new</span>(
                                        <span class="ident">ctx</span>,
                                        <span class="ident">state</span>.<span class="ident">scenario_name</span>,
                                        <span class="ident">state</span>.<span class="ident">modifiers</span>,
                                    )]
                                })),
                            ])
                        }),
                    ));
                }
                <span class="string">&quot;Repeat schedule multiple days&quot;</span> <span class="op">=</span><span class="op">&gt;</span> {
                    <span class="self">self</span>.<span class="ident">modifiers</span>.<span class="ident">push</span>(<span class="ident">ScenarioModifier</span>::<span class="ident">RepeatDays</span>(
                        <span class="self">self</span>.<span class="ident">composite</span>.<span class="ident">spinner</span>(<span class="string">&quot;repeat_days&quot;</span>) <span class="kw">as</span> <span class="ident">usize</span>,
                    ));
                    <span class="kw">return</span> <span class="ident">Transition</span>::<span class="ident">Replace</span>(<span class="ident">EditScenarioModifiers</span>::<span class="ident">new</span>(
                        <span class="ident">ctx</span>,
                        <span class="self">self</span>.<span class="ident">scenario_name</span>.<span class="ident">clone</span>(),
                        <span class="self">self</span>.<span class="ident">modifiers</span>.<span class="ident">clone</span>(),
                    ));
                }
                <span class="string">&quot;Cancel all trips for some percent of people&quot;</span> <span class="op">=</span><span class="op">&gt;</span> {
                    <span class="self">self</span>.<span class="ident">modifiers</span>.<span class="ident">push</span>(<span class="ident">ScenarioModifier</span>::<span class="ident">CancelPeople</span>(
                        <span class="self">self</span>.<span class="ident">composite</span>.<span class="ident">spinner</span>(<span class="string">&quot;cancel_pct&quot;</span>) <span class="kw">as</span> <span class="ident">usize</span>,
                    ));
                    <span class="kw">return</span> <span class="ident">Transition</span>::<span class="ident">Replace</span>(<span class="ident">EditScenarioModifiers</span>::<span class="ident">new</span>(
                        <span class="ident">ctx</span>,
                        <span class="self">self</span>.<span class="ident">scenario_name</span>.<span class="ident">clone</span>(),
                        <span class="self">self</span>.<span class="ident">modifiers</span>.<span class="ident">clone</span>(),
                    ));
                }
                <span class="ident">x</span> <span class="op">=</span><span class="op">&gt;</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="ident">x</span>.<span class="ident">strip_prefix</span>(<span class="string">&quot;delete modifier &quot;</span>) {
                        <span class="self">self</span>.<span class="ident">modifiers</span>.<span class="ident">remove</span>(<span class="ident">x</span>.<span class="ident">parse</span>::<span class="op">&lt;</span><span class="ident">usize</span><span class="op">&gt;</span>().<span class="ident">unwrap</span>() <span class="op">-</span> <span class="number">1</span>);
                        <span class="kw">return</span> <span class="ident">Transition</span>::<span class="ident">Replace</span>(<span class="ident">EditScenarioModifiers</span>::<span class="ident">new</span>(
                            <span class="ident">ctx</span>,
                            <span class="self">self</span>.<span class="ident">scenario_name</span>.<span class="ident">clone</span>(),
                            <span class="self">self</span>.<span class="ident">modifiers</span>.<span class="ident">clone</span>(),
                        ));
                    } <span class="kw">else</span> {
                        <span class="macro">unreachable</span><span class="macro">!</span>()
                    }
                }
            },
            <span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> {}
        }

        <span class="ident">Transition</span>::<span class="ident">Keep</span>
    }

    <span class="kw">fn</span> <span class="ident">draw</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, <span class="ident">g</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">GfxCtx</span>, <span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="ident">App</span>) {
        <span class="ident">State</span>::<span class="ident">grey_out_map</span>(<span class="ident">g</span>, <span class="ident">app</span>);
        <span class="self">self</span>.<span class="ident">composite</span>.<span class="ident">draw</span>(<span class="ident">g</span>);
    }
}

<span class="kw">struct</span> <span class="ident">ChangeMode</span> {
    <span class="ident">composite</span>: <span class="ident">Composite</span>,
    <span class="ident">scenario_name</span>: <span class="ident">String</span>,
    <span class="ident">modifiers</span>: <span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">ScenarioModifier</span><span class="op">&gt;</span>,
}

<span class="kw">impl</span> <span class="ident">ChangeMode</span> {
    <span class="kw">fn</span> <span class="ident">new</span>(
        <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>,
        <span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="ident">App</span>,
        <span class="ident">scenario_name</span>: <span class="ident">String</span>,
        <span class="ident">modifiers</span>: <span class="ident">Vec</span><span class="op">&lt;</span><span class="ident">ScenarioModifier</span><span class="op">&gt;</span>,
    ) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Box</span><span class="op">&lt;</span><span class="kw">dyn</span> <span class="ident">State</span><span class="op">&gt;</span> {
        <span class="ident">Box</span>::<span class="ident">new</span>(<span class="ident">ChangeMode</span> {
            <span class="ident">scenario_name</span>,
            <span class="ident">modifiers</span>,
            <span class="ident">composite</span>: <span class="ident">Composite</span>::<span class="ident">new</span>(<span class="ident">Widget</span>::<span class="ident">col</span>(<span class="macro">vec</span><span class="macro">!</span>[
                <span class="ident">Line</span>(<span class="string">&quot;Change trip mode&quot;</span>).<span class="ident">small_heading</span>().<span class="ident">draw</span>(<span class="ident">ctx</span>),
                <span class="ident">Widget</span>::<span class="ident">row</span>(<span class="macro">vec</span><span class="macro">!</span>[
                    <span class="string">&quot;Change to trip type:&quot;</span>.<span class="ident">draw_text</span>(<span class="ident">ctx</span>),
                    <span class="ident">Widget</span>::<span class="ident">dropdown</span>(
                        <span class="ident">ctx</span>,
                        <span class="string">&quot;to_mode&quot;</span>,
                        <span class="ident">TripMode</span>::<span class="ident">Bike</span>,
                        <span class="ident">TripMode</span>::<span class="ident">all</span>()
                            .<span class="ident">into_iter</span>()
                            .<span class="ident">map</span>(<span class="op">|</span><span class="ident">m</span><span class="op">|</span> <span class="ident">Choice</span>::<span class="ident">new</span>(<span class="ident">m</span>.<span class="ident">ongoing_verb</span>(), <span class="ident">m</span>))
                            .<span class="ident">collect</span>(),
                    ),
                ]),
                <span class="ident">Widget</span>::<span class="ident">row</span>(<span class="macro">vec</span><span class="macro">!</span>[
                    <span class="string">&quot;Percent of people to modify:&quot;</span>
                        .<span class="ident">draw_text</span>(<span class="ident">ctx</span>)
                        .<span class="ident">centered_vert</span>(),
                    <span class="ident">Spinner</span>::<span class="ident">new</span>(<span class="ident">ctx</span>, (<span class="number">1</span>, <span class="number">100</span>), <span class="number">50</span>).<span class="ident">named</span>(<span class="string">&quot;pct_ppl&quot;</span>),
                ]),
                <span class="string">&quot;Types of trips to convert:&quot;</span>.<span class="ident">draw_text</span>(<span class="ident">ctx</span>),
                <span class="ident">checkbox_per_mode</span>(<span class="ident">ctx</span>, <span class="ident">app</span>, <span class="kw-2">&amp;</span><span class="macro">btreeset</span><span class="macro">!</span> { <span class="ident">TripMode</span>::<span class="ident">Drive</span> }),
                <span class="ident">Widget</span>::<span class="ident">row</span>(<span class="macro">vec</span><span class="macro">!</span>[
                    <span class="string">&quot;Departing from:&quot;</span>.<span class="ident">draw_text</span>(<span class="ident">ctx</span>),
                    <span class="ident">AreaSlider</span>::<span class="ident">new</span>(<span class="ident">ctx</span>, <span class="number">0.25</span> <span class="op">*</span> <span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">window_width</span>, <span class="number">0.0</span>).<span class="ident">named</span>(<span class="string">&quot;depart from&quot;</span>),
                ]),
                <span class="ident">Widget</span>::<span class="ident">row</span>(<span class="macro">vec</span><span class="macro">!</span>[
                    <span class="string">&quot;Departing until:&quot;</span>.<span class="ident">draw_text</span>(<span class="ident">ctx</span>),
                    <span class="ident">AreaSlider</span>::<span class="ident">new</span>(<span class="ident">ctx</span>, <span class="number">0.25</span> <span class="op">*</span> <span class="ident">ctx</span>.<span class="ident">canvas</span>.<span class="ident">window_width</span>, <span class="number">0.3</span>).<span class="ident">named</span>(<span class="string">&quot;depart to&quot;</span>),
                ]),
                <span class="ident">Widget</span>::<span class="ident">row</span>(<span class="macro">vec</span><span class="macro">!</span>[
                    <span class="ident">Btn</span>::<span class="ident">text_bg2</span>(<span class="string">&quot;Apply&quot;</span>).<span class="ident">build_def</span>(<span class="ident">ctx</span>, <span class="ident">hotkey</span>(<span class="ident">Key</span>::<span class="ident">Enter</span>)),
                    <span class="ident">Btn</span>::<span class="ident">text_bg2</span>(<span class="string">&quot;Discard changes&quot;</span>).<span class="ident">build_def</span>(<span class="ident">ctx</span>, <span class="ident">hotkey</span>(<span class="ident">Key</span>::<span class="ident">Escape</span>)),
                ])
                .<span class="ident">centered</span>(),
            ]))
            .<span class="ident">exact_size_percent</span>(<span class="number">80</span>, <span class="number">80</span>)
            .<span class="ident">build</span>(<span class="ident">ctx</span>),
        })
    }
}

<span class="kw">impl</span> <span class="ident">State</span> <span class="kw">for</span> <span class="ident">ChangeMode</span> {
    <span class="kw">fn</span> <span class="ident">event</span>(<span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>, <span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">App</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">Transition</span> {
        <span class="kw">match</span> <span class="self">self</span>.<span class="ident">composite</span>.<span class="ident">event</span>(<span class="ident">ctx</span>) {
            <span class="ident">Outcome</span>::<span class="ident">Clicked</span>(<span class="ident">x</span>) <span class="op">=</span><span class="op">&gt;</span> <span class="kw">match</span> <span class="ident">x</span>.<span class="ident">as_ref</span>() {
                <span class="string">&quot;Discard changes&quot;</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">Transition</span>::<span class="ident">Pop</span>,
                <span class="string">&quot;Apply&quot;</span> <span class="op">=</span><span class="op">&gt;</span> {
                    <span class="kw">let</span> <span class="ident">to_mode</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">composite</span>.<span class="ident">dropdown_value</span>::<span class="op">&lt;</span><span class="ident">TripMode</span><span class="op">&gt;</span>(<span class="string">&quot;to_mode&quot;</span>);
                    <span class="kw">let</span> <span class="ident">pct_ppl</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">composite</span>.<span class="ident">spinner</span>(<span class="string">&quot;pct_ppl&quot;</span>) <span class="kw">as</span> <span class="ident">usize</span>;
                    <span class="kw">let</span> (<span class="ident">p1</span>, <span class="ident">p2</span>) <span class="op">=</span> (
                        <span class="self">self</span>.<span class="ident">composite</span>.<span class="ident">area_slider</span>(<span class="string">&quot;depart from&quot;</span>).<span class="ident">get_percent</span>(),
                        <span class="self">self</span>.<span class="ident">composite</span>.<span class="ident">area_slider</span>(<span class="string">&quot;depart to&quot;</span>).<span class="ident">get_percent</span>(),
                    );
                    <span class="kw">let</span> <span class="ident">departure_filter</span> <span class="op">=</span> (
                        <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">sim</span>.<span class="ident">get_end_of_day</span>().<span class="ident">percent_of</span>(<span class="ident">p1</span>),
                        <span class="ident">app</span>.<span class="ident">primary</span>.<span class="ident">sim</span>.<span class="ident">get_end_of_day</span>().<span class="ident">percent_of</span>(<span class="ident">p2</span>),
                    );
                    <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">from_modes</span> <span class="op">=</span> <span class="ident">TripMode</span>::<span class="ident">all</span>()
                        .<span class="ident">into_iter</span>()
                        .<span class="ident">filter</span>(<span class="op">|</span><span class="ident">m</span><span class="op">|</span> <span class="self">self</span>.<span class="ident">composite</span>.<span class="ident">is_checked</span>(<span class="ident">m</span>.<span class="ident">ongoing_verb</span>()))
                        .<span class="ident">collect</span>::<span class="op">&lt;</span><span class="ident">BTreeSet</span><span class="op">&lt;</span><span class="kw">_</span><span class="op">&gt;</span><span class="op">&gt;</span>();
                    <span class="ident">from_modes</span>.<span class="ident">remove</span>(<span class="kw-2">&amp;</span><span class="ident">to_mode</span>);

                    <span class="kw">if</span> <span class="ident">from_modes</span>.<span class="ident">is_empty</span>() {
                        <span class="kw">return</span> <span class="ident">Transition</span>::<span class="ident">Push</span>(<span class="ident">PopupMsg</span>::<span class="ident">new</span>(
                            <span class="ident">ctx</span>,
                            <span class="string">&quot;Error&quot;</span>,
                            <span class="macro">vec</span><span class="macro">!</span>[<span class="string">&quot;You have to select at least one mode to convert from&quot;</span>],
                        ));
                    }
                    <span class="kw">if</span> <span class="ident">p1</span> <span class="op">&gt;</span><span class="op">=</span> <span class="ident">p2</span> {
                        <span class="kw">return</span> <span class="ident">Transition</span>::<span class="ident">Push</span>(<span class="ident">PopupMsg</span>::<span class="ident">new</span>(
                            <span class="ident">ctx</span>,
                            <span class="string">&quot;Error&quot;</span>,
                            <span class="macro">vec</span><span class="macro">!</span>[<span class="string">&quot;Your time range is backwards&quot;</span>],
                        ));
                    }

                    <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">mods</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">modifiers</span>.<span class="ident">clone</span>();
                    <span class="ident">mods</span>.<span class="ident">push</span>(<span class="ident">ScenarioModifier</span>::<span class="ident">ChangeMode</span> {
                        <span class="ident">to_mode</span>,
                        <span class="ident">pct_ppl</span>,
                        <span class="ident">departure_filter</span>,
                        <span class="ident">from_modes</span>,
                    });
                    <span class="ident">Transition</span>::<span class="ident">Multi</span>(<span class="macro">vec</span><span class="macro">!</span>[
                        <span class="ident">Transition</span>::<span class="ident">Pop</span>,
                        <span class="ident">Transition</span>::<span class="ident">Replace</span>(<span class="ident">EditScenarioModifiers</span>::<span class="ident">new</span>(
                            <span class="ident">ctx</span>,
                            <span class="self">self</span>.<span class="ident">scenario_name</span>.<span class="ident">clone</span>(),
                            <span class="ident">mods</span>,
                        )),
                    ])
                }
                <span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> <span class="macro">unreachable</span><span class="macro">!</span>(),
            },
            <span class="kw">_</span> <span class="op">=</span><span class="op">&gt;</span> <span class="ident">Transition</span>::<span class="ident">Keep</span>,
        }
    }

    <span class="kw">fn</span> <span class="ident">draw</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, <span class="ident">g</span>: <span class="kw-2">&amp;</span><span class="kw-2">mut</span> <span class="ident">GfxCtx</span>, <span class="ident">app</span>: <span class="kw-2">&amp;</span><span class="ident">App</span>) {
        <span class="ident">State</span>::<span class="ident">grey_out_map</span>(<span class="ident">g</span>, <span class="ident">app</span>);
        <span class="self">self</span>.<span class="ident">composite</span>.<span class="ident">draw</span>(<span class="ident">g</span>);
    }
}
</pre></div>
</section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../../../../";window.currentCrate = "game";</script><script src="../../../../main.js"></script><script src="../../../../source-script.js"></script><script src="../../../../source-files.js"></script><script defer src="../../../../search-index.js"></script></body></html>