<!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 `santa/src/session.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>session.rs - source</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg"> <link rel="alternate icon" type="image/png" 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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> </pre><div class="example-wrap"><pre class="rust "> <span class="kw">use</span> <span class="ident">std</span>::<span class="ident">collections</span>::{<span class="ident">BTreeSet</span>, <span class="ident">HashMap</span>}; <span class="kw">use</span> <span class="ident">serde</span>::{<span class="ident">Deserialize</span>, <span class="ident">Serialize</span>}; <span class="kw">use</span> <span class="ident">abstutil</span>::{<span class="ident">deserialize_multimap</span>, <span class="ident">serialize_multimap</span>, <span class="ident">MultiMap</span>, <span class="ident">Timer</span>}; <span class="kw">use</span> <span class="ident">map_model</span>::<span class="ident">BuildingID</span>; <span class="kw">use</span> <span class="ident">widgetry</span>::{<span class="ident">Color</span>, <span class="ident">EventCtx</span>}; <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">levels</span>::<span class="ident">Level</span>; <span class="kw">use</span> <span class="kw">crate</span>::<span class="ident">music</span>::<span class="ident">Music</span>; <span class="doccomment">/// Persistent state that lasts across levels.</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">Session</span> { <span class="kw">pub</span> <span class="ident">levels</span>: <span class="ident">Vec</span><span class="op"><</span><span class="ident">Level</span><span class="op">></span>, <span class="doccomment">/// Enable this to use the levels, instead of overwriting them with the version in the code.</span> <span class="kw">pub</span> <span class="ident">enable_modding</span>: <span class="ident">bool</span>, <span class="kw">pub</span> <span class="ident">colors</span>: <span class="ident">ColorScheme</span>, <span class="doccomment">/// Level title -> the top 3 scores</span> <span class="kw">pub</span> <span class="ident">high_scores</span>: <span class="ident">HashMap</span><span class="op"><</span><span class="ident">String</span>, <span class="ident">Vec</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span><span class="op">></span>, <span class="kw">pub</span> <span class="ident">levels_unlocked</span>: <span class="ident">usize</span>, <span class="kw">pub</span> <span class="ident">current_vehicle</span>: <span class="ident">String</span>, <span class="kw">pub</span> <span class="ident">vehicles_unlocked</span>: <span class="ident">BTreeSet</span><span class="op"><</span><span class="ident">String</span><span class="op">></span>, <span class="kw">pub</span> <span class="ident">upzones_unlocked</span>: <span class="ident">usize</span>, <span class="kw">pub</span> <span class="ident">upzones_explained</span>: <span class="ident">bool</span>, <span class="comment">// This was added after the main release, so keep old save files working by allowing it to be</span> <span class="comment">// missing.</span> <span class="attribute">#[<span class="ident">serde</span>( <span class="ident">serialize_with</span> <span class="op">=</span> <span class="string">"serialize_multimap"</span>, <span class="ident">deserialize_with</span> <span class="op">=</span> <span class="string">"deserialize_multimap"</span>, <span class="ident">default</span> )]</span> <span class="kw">pub</span> <span class="ident">upzones_per_level</span>: <span class="ident">MultiMap</span><span class="op"><</span><span class="ident">String</span>, <span class="ident">BuildingID</span><span class="op">></span>, <span class="attribute">#[<span class="ident">serde</span>(<span class="ident">skip_serializing</span>, <span class="ident">skip_deserializing</span>)]</span> <span class="kw">pub</span> <span class="ident">music</span>: <span class="ident">Music</span>, <span class="kw">pub</span> <span class="ident">play_music</span>: <span class="ident">bool</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">ColorScheme</span> { <span class="kw">pub</span> <span class="ident">house</span>: <span class="ident">Color</span>, <span class="kw">pub</span> <span class="ident">apartment</span>: <span class="ident">Color</span>, <span class="kw">pub</span> <span class="ident">store</span>: <span class="ident">Color</span>, <span class="kw">pub</span> <span class="ident">visited</span>: <span class="ident">Color</span>, <span class="kw">pub</span> <span class="ident">score</span>: <span class="ident">Color</span>, <span class="kw">pub</span> <span class="ident">energy</span>: <span class="ident">Color</span>, <span class="kw">pub</span> <span class="ident">boost</span>: <span class="ident">Color</span>, } <span class="kw">impl</span> <span class="ident">Session</span> { <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">load</span>() <span class="op">-</span><span class="op">></span> <span class="ident">Session</span> { <span class="kw">let</span> <span class="ident">levels</span> <span class="op">=</span> <span class="ident">Level</span>::<span class="ident">all</span>(); <span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="kw-2">mut</span> <span class="ident">session</span>) <span class="op">=</span> <span class="ident">abstio</span>::<span class="ident">maybe_read_json</span>::<span class="op"><</span><span class="ident">Session</span><span class="op">></span>( <span class="ident">abstio</span>::<span class="ident">path_player</span>(<span class="string">"santa.json"</span>), <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">Timer</span>::<span class="ident">throwaway</span>(), ) { <span class="kw">if</span> <span class="ident">session</span>.<span class="ident">levels</span> <span class="op">!</span><span class="op">=</span> <span class="ident">levels</span> { <span class="kw">if</span> <span class="ident">session</span>.<span class="ident">enable_modding</span> { <span class="macro">warn</span><span class="macro">!</span>(<span class="string">"Using modified levels from the session data"</span>); } <span class="kw">else</span> { <span class="macro">warn</span><span class="macro">!</span>(<span class="string">"Levels have changed; overwriting with the new version from the code"</span>); <span class="ident">session</span>.<span class="ident">levels</span> <span class="op">=</span> <span class="ident">levels</span>; } } <span class="kw">return</span> <span class="ident">session</span>; } <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">high_scores</span> <span class="op">=</span> <span class="ident">HashMap</span>::<span class="ident">new</span>(); <span class="kw">for</span> <span class="ident">level</span> <span class="kw">in</span> <span class="kw-2">&</span><span class="ident">levels</span> { <span class="ident">high_scores</span>.<span class="ident">insert</span>(<span class="ident">level</span>.<span class="ident">title</span>.<span class="ident">clone</span>(), <span class="ident">Vec</span>::<span class="ident">new</span>()); } <span class="ident">Session</span> { <span class="ident">levels</span>, <span class="ident">enable_modding</span>: <span class="bool-val">false</span>, <span class="ident">colors</span>: <span class="ident">ColorScheme</span> { <span class="ident">house</span>: <span class="ident">Color</span>::<span class="ident">hex</span>(<span class="string">"#688865"</span>), <span class="ident">apartment</span>: <span class="ident">Color</span>::<span class="ident">hex</span>(<span class="string">"#C0F879"</span>), <span class="ident">store</span>: <span class="ident">Color</span>::<span class="ident">hex</span>(<span class="string">"#EE702E"</span>), <span class="ident">visited</span>: <span class="ident">Color</span>::<span class="ident">BLACK</span>, <span class="ident">score</span>: <span class="ident">Color</span>::<span class="ident">hex</span>(<span class="string">"#83AA51"</span>), <span class="ident">energy</span>: <span class="ident">Color</span>::<span class="ident">hex</span>(<span class="string">"#D8B830"</span>), <span class="ident">boost</span>: <span class="ident">Color</span>::<span class="ident">hex</span>(<span class="string">"#A32015"</span>), }, <span class="ident">high_scores</span>, <span class="ident">levels_unlocked</span>: <span class="number">1</span>, <span class="ident">current_vehicle</span>: <span class="string">"bike"</span>.<span class="ident">to_string</span>(), <span class="ident">vehicles_unlocked</span>: <span class="macro">vec</span><span class="macro">!</span>[<span class="string">"bike"</span>.<span class="ident">to_string</span>()].<span class="ident">into_iter</span>().<span class="ident">collect</span>(), <span class="ident">upzones_unlocked</span>: <span class="number">0</span>, <span class="ident">upzones_explained</span>: <span class="bool-val">false</span>, <span class="ident">upzones_per_level</span>: <span class="ident">MultiMap</span>::<span class="ident">new</span>(), <span class="ident">music</span>: <span class="ident">Music</span>::<span class="ident">empty</span>(), <span class="ident">play_music</span>: <span class="bool-val">true</span>, } } <span class="doccomment">/// If a message is returned, a new level and some powers were unlocked.</span> <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">record_score</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">level</span>: <span class="ident">String</span>, <span class="ident">score</span>: <span class="ident">usize</span>) <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Vec</span><span class="op"><</span><span class="ident">String</span><span class="op">></span><span class="op">></span> { <span class="kw">let</span> <span class="ident">scores</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">high_scores</span>.<span class="ident">get_mut</span>(<span class="kw-2">&</span><span class="ident">level</span>).<span class="ident">unwrap</span>(); <span class="ident">scores</span>.<span class="ident">push</span>(<span class="ident">score</span>); <span class="ident">scores</span>.<span class="ident">sort</span>(); <span class="ident">scores</span>.<span class="ident">reverse</span>(); <span class="ident">scores</span>.<span class="ident">truncate</span>(<span class="number">3</span>); <span class="kw">let</span> <span class="ident">idx</span> <span class="op">=</span> <span class="self">self</span> .<span class="ident">levels</span> .<span class="ident">iter</span>() .<span class="ident">position</span>(<span class="op">|</span><span class="ident">lvl</span><span class="op">|</span> <span class="ident">lvl</span>.<span class="ident">title</span> <span class="op">=</span><span class="op">=</span> <span class="ident">level</span>) .<span class="ident">unwrap</span>(); <span class="kw">let</span> <span class="ident">level</span> <span class="op">=</span> <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">levels</span>[<span class="ident">idx</span>]; <span class="kw">let</span> <span class="ident">msg</span> <span class="op">=</span> <span class="kw">if</span> <span class="ident">idx</span> <span class="op">+</span> <span class="number">1</span> <span class="op">=</span><span class="op">=</span> <span class="self">self</span>.<span class="ident">levels_unlocked</span> <span class="op">&&</span> <span class="ident">score</span> <span class="op">></span><span class="op">=</span> <span class="ident">level</span>.<span class="ident">goal</span> { <span class="kw">if</span> <span class="ident">idx</span> <span class="op">+</span> <span class="number">1</span> <span class="op">=</span><span class="op">=</span> <span class="self">self</span>.<span class="ident">levels</span>.<span class="ident">len</span>() { <span class="prelude-val">Some</span>(<span class="macro">vec</span><span class="macro">!</span>[ <span class="macro">format</span><span class="macro">!</span>(<span class="string">"All levels complete! Nice."</span>), <span class="macro">format</span><span class="macro">!</span>(<span class="string">"Can you improve your score on other levels?"</span>), ]) } <span class="kw">else</span> { <span class="self">self</span>.<span class="ident">levels_unlocked</span> <span class="op">+</span><span class="op">=</span> <span class="number">1</span>; <span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">messages</span> <span class="op">=</span> <span class="macro">vec</span><span class="macro">!</span>[<span class="macro">format</span><span class="macro">!</span>(<span class="string">"New level unlocked!"</span>)]; <span class="kw">if</span> <span class="ident">level</span>.<span class="ident">unlock_upzones</span> <span class="op">></span> <span class="number">0</span> { <span class="self">self</span>.<span class="ident">upzones_unlocked</span> <span class="op">+</span><span class="op">=</span> <span class="ident">level</span>.<span class="ident">unlock_upzones</span>; <span class="ident">messages</span>.<span class="ident">push</span>(<span class="macro">format</span><span class="macro">!</span>( <span class="string">"Unlocked the ability to upzone {} buildings"</span>, <span class="ident">level</span>.<span class="ident">unlock_upzones</span> )); } <span class="kw">for</span> <span class="ident">x</span> <span class="kw">in</span> <span class="kw-2">&</span><span class="ident">level</span>.<span class="ident">unlock_vehicles</span> { <span class="self">self</span>.<span class="ident">vehicles_unlocked</span>.<span class="ident">insert</span>(<span class="ident">x</span>.<span class="ident">clone</span>()); <span class="ident">messages</span>.<span class="ident">push</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">"Unlocked the {}"</span>, <span class="ident">x</span>)); } <span class="prelude-val">Some</span>(<span class="ident">messages</span>) } } <span class="kw">else</span> { <span class="comment">// Nothing new unlocked</span> <span class="prelude-val">None</span> }; <span class="self">self</span>.<span class="ident">save</span>(); <span class="ident">msg</span> } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">unlock_all</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>) { <span class="self">self</span>.<span class="ident">upzones_unlocked</span> <span class="op">=</span> <span class="number">0</span>; <span class="kw">for</span> <span class="ident">level</span> <span class="kw">in</span> <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">levels</span> { <span class="self">self</span>.<span class="ident">vehicles_unlocked</span>.<span class="ident">extend</span>(<span class="ident">level</span>.<span class="ident">unlock_vehicles</span>.<span class="ident">clone</span>()); <span class="self">self</span>.<span class="ident">upzones_unlocked</span> <span class="op">+</span><span class="op">=</span> <span class="ident">level</span>.<span class="ident">unlock_upzones</span>; } <span class="self">self</span>.<span class="ident">levels_unlocked</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">levels</span>.<span class="ident">len</span>(); <span class="self">self</span>.<span class="ident">upzones_explained</span> <span class="op">=</span> <span class="bool-val">true</span>; } <span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">update_music</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">ctx</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">EventCtx</span>) { <span class="kw">let</span> <span class="ident">play_music</span> <span class="op">=</span> <span class="self">self</span>.<span class="ident">play_music</span>; <span class="self">self</span>.<span class="ident">music</span>.<span class="ident">event</span>(<span class="ident">ctx</span>, <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>.<span class="ident">play_music</span>); <span class="kw">if</span> <span class="ident">play_music</span> <span class="op">!</span><span class="op">=</span> <span class="self">self</span>.<span class="ident">play_music</span> { <span class="self">self</span>.<span class="ident">save</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">abstio</span>::<span class="ident">write_json</span>(<span class="ident">abstio</span>::<span class="ident">path_player</span>(<span class="string">"santa.json"</span>), <span class="self">self</span>); } } </pre></div> </section><section id="search" class="content hidden"></section><section class="footer"></section><script>window.rootPath = "../../";window.currentCrate = "santa";</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>