<!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 `abstio/src/abst_data.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>abst_data.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../SourceCodePro-Semibold.ttf.woff2"><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="../../ayu.css" disabled><link rel="stylesheet" type="text/css" href="../../dark.css" disabled><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../storage.js"></script><script src="../../crates.js"></script><script defer src="../../main.js"></script><script defer src="../../source-script.js"></script><script defer src="../../source-files.js"></script> <noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"></head><body class="rustdoc source"><!--[if lte 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="../../abstio/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="../../abstio/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="../../abstio/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 id="theme-choices" role="menu"></div></div><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../wheel.svg"></a></div></form></nav></div><section id="main-content" class="content"><div class="example-wrap"><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> </pre><pre class="rust"><code><span class="kw">use</span> <span class="ident">std::collections</span>::{<span class="ident">BTreeMap</span>, <span class="ident">BTreeSet</span>}; <span class="kw">use</span> <span class="ident">serde</span>::{<span class="ident">Deserialize</span>, <span class="ident">Serialize</span>}; <span class="kw">use</span> <span class="ident"><span class="kw">crate</span>::CityName</span>; <span class="doccomment">/// A list of all canonical data files for A/B Street that're uploaded somewhere. The file formats</span> <span class="doccomment">/// are tied to the latest version of the git repo. Players use the updater crate to sync these</span> <span class="doccomment">/// files with local copies.</span> <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Serialize</span>, <span class="ident">Deserialize</span>)]</span> <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Manifest</span> { <span class="doccomment">/// Keyed by path, starting with "data/"</span> <span class="kw">pub</span> <span class="ident">entries</span>: <span class="ident">BTreeMap</span><span class="op"><</span><span class="ident">String</span>, <span class="ident">Entry</span><span class="op">></span>, } <span class="doccomment">/// A single file</span> <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Serialize</span>, <span class="ident">Deserialize</span>)]</span> <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Entry</span> { <span class="doccomment">/// md5sum of the file</span> <span class="kw">pub</span> <span class="ident">checksum</span>: <span class="ident">String</span>, <span class="doccomment">/// Uncompressed size in bytes. Because we have some massive files more than 2^32 bytes</span> <span class="doccomment">/// described by this, explicitly use u64 instead of usize, so wasm doesn't break.</span> <span class="kw">pub</span> <span class="ident">uncompressed_size_bytes</span>: <span class="ident">u64</span>, <span class="doccomment">/// Compressed size in bytes</span> <span class="kw">pub</span> <span class="ident">compressed_size_bytes</span>: <span class="ident">u64</span>, } <span class="kw">impl</span> <span class="ident">Manifest</span> { <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"wasm32"</span>))]</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">load</span>() -> <span class="ident">Manifest</span> { <span class="ident"><span class="kw">crate</span>::maybe_read_json</span>( <span class="ident"><span class="kw">crate</span>::path</span>(<span class="string">"MANIFEST.json"</span>), <span class="kw-2">&mut</span> <span class="ident">abstutil::Timer::throwaway</span>(), ) .<span class="ident">unwrap</span>() } <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"wasm32"</span>)]</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">load</span>() -> <span class="ident">Manifest</span> { <span class="ident">abstutil::from_json</span>(<span class="kw-2">&</span><span class="macro">include_bytes!</span>(<span class="string">"../../data/MANIFEST.json"</span>).<span class="ident">to_vec</span>()).<span class="ident">unwrap</span>() } <span class="doccomment">/// Removes entries from the Manifest to match the DataPacks that should exist locally.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">filter</span>(<span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">data_packs</span>: <span class="ident">DataPacks</span>) -> <span class="ident">Manifest</span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">remove</span> <span class="op">=</span> <span class="ident">Vec::new</span>(); <span class="kw">for</span> <span class="ident">path</span> <span class="kw">in</span> <span class="self">self</span>.<span class="ident">entries</span>.<span class="ident">keys</span>() { <span class="kw">if</span> <span class="ident">path</span>.<span class="ident">starts_with</span>(<span class="string">"data/system/extra_fonts"</span>) { <span class="comment">// Always grab all of these</span> <span class="kw">continue</span>; } <span class="comment">// If the user has opted into any input data at all, we want to grab some of the shared</span> <span class="comment">// input files.</span> <span class="kw">if</span> <span class="ident">path</span>.<span class="ident">starts_with</span>(<span class="string">"data/input/shared"</span>) { <span class="comment">// But some of the files are large, so of course we hardcode some more overrides</span> <span class="comment">// here. Maybe some of this data should be scoped to a country, not a city.</span> <span class="kw">if</span> <span class="ident">path</span>.<span class="ident">ends_with</span>(<span class="string">"Road Safety Data - Accidents 2019.csv"</span>) <span class="op">|</span><span class="op">|</span> <span class="ident">path</span>.<span class="ident">ends_with</span>(<span class="string">"wu03ew_v2.csv"</span>) <span class="op">|</span><span class="op">|</span> <span class="ident">path</span>.<span class="ident">ends_with</span>(<span class="string">"zones_core.geojson"</span>) { <span class="kw">if</span> <span class="ident">data_packs</span>.<span class="ident">input</span>.<span class="ident">iter</span>().<span class="ident">any</span>(<span class="op">|</span><span class="ident">x</span><span class="op">|</span> <span class="ident">x</span>.<span class="ident">starts_with</span>(<span class="string">"gb/"</span>)) { <span class="kw">continue</span>; } } <span class="kw">else</span> <span class="kw">if</span> <span class="ident">path</span>.<span class="ident">ends_with</span>(<span class="string">"kc_2016_lidar.tif"</span>) <span class="op">|</span><span class="op">|</span> <span class="ident">path</span>.<span class="ident">ends_with</span>(<span class="string">"seattle_contours.geojson"</span>) { <span class="kw">if</span> <span class="ident">data_packs</span>.<span class="ident">input</span>.<span class="ident">contains</span>(<span class="string">"us/seattle"</span>) { <span class="kw">continue</span>; } } <span class="kw">else</span> <span class="kw">if</span> <span class="op">!</span><span class="ident">data_packs</span>.<span class="ident">input</span>.<span class="ident">is_empty</span>() { <span class="comment">// All of the SRTM files land here. Hard to associate them with a country or</span> <span class="comment">// city code, and it seems like we may want to share these between cities.</span> <span class="kw">continue</span>; } } <span class="kw">let</span> <span class="ident">parts</span> <span class="op">=</span> <span class="ident">path</span>.<span class="ident">split</span>(<span class="string">'/'</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">let</span> <span class="kw-2">mut</span> <span class="ident">data_pack</span> <span class="op">=</span> <span class="macro">format!</span>(<span class="string">"{}/{}"</span>, <span class="ident">parts</span>[<span class="number">2</span>], <span class="ident">parts</span>[<span class="number">3</span>]); <span class="kw">if</span> <span class="ident">Manifest::is_file_part_of_huge_seattle</span>(<span class="ident">path</span>) { <span class="ident">data_pack</span> <span class="op">=</span> <span class="string">"us/huge_seattle"</span>.<span class="ident">to_string</span>(); } <span class="kw">if</span> <span class="ident">parts</span>[<span class="number">1</span>] <span class="op">==</span> <span class="string">"input"</span> { <span class="kw">if</span> <span class="ident">data_packs</span>.<span class="ident">input</span>.<span class="ident">contains</span>(<span class="kw-2">&</span><span class="ident">data_pack</span>) { <span class="kw">continue</span>; } } <span class="kw">else</span> <span class="kw">if</span> <span class="ident">parts</span>[<span class="number">1</span>] <span class="op">==</span> <span class="string">"system"</span> { <span class="kw">if</span> <span class="ident">data_packs</span>.<span class="ident">runtime</span>.<span class="ident">contains</span>(<span class="kw-2">&</span><span class="ident">data_pack</span>) { <span class="kw">continue</span>; } } <span class="kw">else</span> { <span class="macro">panic!</span>(<span class="string">"Wait what's {}"</span>, <span class="ident">path</span>); } <span class="ident">remove</span>.<span class="ident">push</span>(<span class="ident">path</span>.<span class="ident">clone</span>()); } <span class="kw">for</span> <span class="ident">path</span> <span class="kw">in</span> <span class="ident">remove</span> { <span class="self">self</span>.<span class="ident">entries</span>.<span class="ident">remove</span>(<span class="kw-2">&</span><span class="ident">path</span>).<span class="ident">unwrap</span>(); } <span class="self">self</span> } <span class="doccomment">/// Because there are so many Seattle maps and they get downloaded in one data pack on native,</span> <span class="doccomment">/// managing the total file size is important. The "us/seattle" data pack only contains small</span> <span class="doccomment">/// maps; the "us/huge_seattle" pack has the rest. This returns true for files belonging to</span> <span class="doccomment">/// "us/huge_seattle".</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">is_file_part_of_huge_seattle</span>(<span class="ident">path</span>: <span class="kw-2">&</span><span class="ident">str</span>) -> <span class="ident">bool</span> { <span class="kw">let</span> <span class="ident">path</span> <span class="op">=</span> <span class="ident">path</span> .<span class="ident">strip_prefix</span>(<span class="kw-2">&</span><span class="ident"><span class="kw">crate</span>::path</span>(<span class="string">""</span>)) .<span class="ident">or_else</span>(<span class="op">|</span><span class="op">|</span> <span class="ident">path</span>.<span class="ident">strip_prefix</span>(<span class="string">"data/"</span>)) .<span class="ident">unwrap_or</span>(<span class="ident">path</span>); <span class="kw">let</span> <span class="ident">name</span> <span class="op">=</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">path</span>.<span class="ident">strip_prefix</span>(<span class="string">"system/us/seattle/maps/"</span>) { <span class="ident">x</span>.<span class="ident">strip_suffix</span>(<span class="string">".bin"</span>).<span class="ident">unwrap</span>() } <span class="kw">else</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">path</span>.<span class="ident">strip_prefix</span>(<span class="string">"system/us/seattle/scenarios/"</span>) { <span class="ident">x</span>.<span class="ident">split</span>(<span class="string">'/'</span>).<span class="ident">next</span>().<span class="ident">unwrap</span>() } <span class="kw">else</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">path</span>.<span class="ident">strip_prefix</span>(<span class="string">"system/us/seattle/prebaked_results/"</span>) { <span class="ident">x</span>.<span class="ident">split</span>(<span class="string">'/'</span>).<span class="ident">next</span>().<span class="ident">unwrap</span>() } <span class="kw">else</span> { <span class="kw">return</span> <span class="bool-val">false</span>; }; <span class="ident">name</span> <span class="op">==</span> <span class="string">"huge_seattle"</span> <span class="op">|</span><span class="op">|</span> <span class="ident">name</span> <span class="op">==</span> <span class="string">"north_seattle"</span> <span class="op">|</span><span class="op">|</span> <span class="ident">name</span> <span class="op">==</span> <span class="string">"south_seattle"</span> <span class="op">|</span><span class="op">|</span> <span class="ident">name</span> <span class="op">==</span> <span class="string">"west_seattle"</span> } <span class="doccomment">/// If an entry's path is system data, return the city.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">path_to_city</span>(<span class="ident">path</span>: <span class="kw-2">&</span><span class="ident">str</span>) -> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">CityName</span><span class="op">></span> { <span class="kw">let</span> <span class="ident">parts</span> <span class="op">=</span> <span class="ident">path</span>.<span class="ident">split</span>(<span class="string">'/'</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">parts</span>[<span class="number">1</span>] <span class="op">==</span> <span class="string">"system"</span> { <span class="kw">if</span> <span class="ident">parts</span>[<span class="number">2</span>] <span class="op">==</span> <span class="string">"assets"</span> <span class="op">|</span><span class="op">|</span> <span class="ident">parts</span>[<span class="number">2</span>] <span class="op">==</span> <span class="string">"extra_fonts"</span> <span class="op">|</span><span class="op">|</span> <span class="ident">parts</span>[<span class="number">2</span>] <span class="op">==</span> <span class="string">"ltn_proposals"</span> <span class="op">|</span><span class="op">|</span> <span class="ident">parts</span>[<span class="number">2</span>] <span class="op">==</span> <span class="string">"proposals"</span> <span class="op">|</span><span class="op">|</span> <span class="ident">parts</span>[<span class="number">2</span>] <span class="op">==</span> <span class="string">"study_areas"</span> { <span class="kw">return</span> <span class="prelude-val">None</span>; } <span class="kw">return</span> <span class="prelude-val">Some</span>(<span class="ident">CityName::new</span>(<span class="ident">parts</span>[<span class="number">2</span>], <span class="ident">parts</span>[<span class="number">3</span>])); } <span class="prelude-val">None</span> } <span class="doccomment">/// Look up an entry.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_entry</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">path</span>: <span class="kw-2">&</span><span class="ident">str</span>) -> <span class="prelude-ty">Option</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">Entry</span><span class="op">></span> { <span class="kw">let</span> <span class="ident">path</span> <span class="op">=</span> <span class="ident">path</span>.<span class="ident">strip_prefix</span>(<span class="kw-2">&</span><span class="ident"><span class="kw">crate</span>::path</span>(<span class="string">""</span>)).<span class="ident">unwrap_or</span>(<span class="ident">path</span>); <span class="self">self</span>.<span class="ident">entries</span>.<span class="ident">get</span>(<span class="kw-2">&</span><span class="macro">format!</span>(<span class="string">"data/{}"</span>, <span class="ident">path</span>)) } } <span class="doccomment">/// Player-chosen groups of files to opt into downloading</span> <span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Serialize</span>, <span class="ident">Deserialize</span>)]</span> <span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">DataPacks</span> { <span class="doccomment">/// A list of cities to download for using in A/B Street. Expressed the same as</span> <span class="doccomment">/// `CityName::to_path`, like "gb/london".</span> <span class="kw">pub</span> <span class="ident">runtime</span>: <span class="ident">BTreeSet</span><span class="op"><</span><span class="ident">String</span><span class="op">></span>, <span class="doccomment">/// A list of cities to download for running the map importer.</span> <span class="kw">pub</span> <span class="ident">input</span>: <span class="ident">BTreeSet</span><span class="op"><</span><span class="ident">String</span><span class="op">></span>, } <span class="kw">impl</span> <span class="ident">DataPacks</span> { <span class="doccomment">/// Load the player's config for what files to download, or create the config.</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"wasm32"</span>))]</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">load_or_create</span>() -> <span class="ident">DataPacks</span> { <span class="kw">let</span> <span class="ident">path</span> <span class="op">=</span> <span class="ident"><span class="kw">crate</span>::path_player</span>(<span class="string">"data.json"</span>); <span class="kw">match</span> <span class="ident"><span class="kw">crate</span>::maybe_read_json</span>::<span class="op"><</span><span class="ident">DataPacks</span><span class="op">></span>(<span class="ident">path</span>.<span class="ident">clone</span>(), <span class="kw-2">&mut</span> <span class="ident">abstutil::Timer::throwaway</span>()) { <span class="prelude-val">Ok</span>(<span class="ident">cfg</span>) => <span class="ident">cfg</span>, <span class="prelude-val">Err</span>(<span class="ident">err</span>) => { <span class="macro">warn!</span>(<span class="string">"player/data.json invalid, assuming defaults: {}"</span>, <span class="ident">err</span>); <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">cfg</span> <span class="op">=</span> <span class="ident">DataPacks</span> { <span class="ident">runtime</span>: <span class="ident">BTreeSet::new</span>(), <span class="ident">input</span>: <span class="ident">BTreeSet::new</span>(), }; <span class="ident">cfg</span>.<span class="ident">runtime</span>.<span class="ident">insert</span>(<span class="string">"us/seattle"</span>.<span class="ident">to_string</span>()); <span class="ident"><span class="kw">crate</span>::write_json</span>(<span class="ident">path</span>, <span class="kw-2">&</span><span class="ident">cfg</span>); <span class="ident">cfg</span> } } } <span class="doccomment">/// Saves the player's config for what files to download.</span> <span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">target_arch</span> <span class="op">=</span> <span class="string">"wasm32"</span>))]</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">save</span>(<span class="kw-2">&</span><span class="self">self</span>) { <span class="ident"><span class="kw">crate</span>::write_json</span>(<span class="ident"><span class="kw">crate</span>::path_player</span>(<span class="string">"data.json"</span>), <span class="self">self</span>); } <span class="doccomment">/// Fill out all data packs based on the local manifest.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">all_data_packs</span>() -> <span class="ident">DataPacks</span> { <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">data_packs</span> <span class="op">=</span> <span class="ident">DataPacks</span> { <span class="ident">runtime</span>: <span class="ident">BTreeSet::new</span>(), <span class="ident">input</span>: <span class="ident">BTreeSet::new</span>(), }; <span class="kw">for</span> <span class="ident">path</span> <span class="kw">in</span> <span class="ident">Manifest::load</span>().<span class="ident">entries</span>.<span class="ident">keys</span>() { <span class="kw">if</span> <span class="ident">path</span>.<span class="ident">starts_with</span>(<span class="string">"data/system/extra_fonts"</span>) <span class="op">|</span><span class="op">|</span> <span class="ident">path</span>.<span class="ident">starts_with</span>(<span class="string">"data/input/shared"</span>) { <span class="kw">continue</span>; } <span class="kw">let</span> <span class="ident">parts</span> <span class="op">=</span> <span class="ident">path</span>.<span class="ident">split</span>(<span class="string">'/'</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">let</span> <span class="kw-2">mut</span> <span class="ident">city</span> <span class="op">=</span> <span class="macro">format!</span>(<span class="string">"{}/{}"</span>, <span class="ident">parts</span>[<span class="number">2</span>], <span class="ident">parts</span>[<span class="number">3</span>]); <span class="kw">if</span> <span class="ident">Manifest::is_file_part_of_huge_seattle</span>(<span class="ident">path</span>) { <span class="ident">city</span> <span class="op">=</span> <span class="string">"us/huge_seattle"</span>.<span class="ident">to_string</span>(); } <span class="kw">if</span> <span class="ident">parts</span>[<span class="number">1</span>] <span class="op">==</span> <span class="string">"input"</span> { <span class="ident">data_packs</span>.<span class="ident">input</span>.<span class="ident">insert</span>(<span class="ident">city</span>); } <span class="kw">else</span> <span class="kw">if</span> <span class="ident">parts</span>[<span class="number">1</span>] <span class="op">==</span> <span class="string">"system"</span> { <span class="ident">data_packs</span>.<span class="ident">runtime</span>.<span class="ident">insert</span>(<span class="ident">city</span>); } } <span class="ident">data_packs</span> } } </code></pre></div> </section></div></main><div id="rustdoc-vars" data-root-path="../../" data-current-crate="abstio" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.62.1 (e092d0b6b 2022-07-16)" ></div> </body></html>